STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 9.7 ***** MINIMUN AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 3.8 3.3 ***** DAYS WITH MINIMUM TEMP. >=21 **** **** **** **** **** **** **** **** **** **** 0 0 **** DAYS WITH MINIMUM TEMP. <=-4 **** **** **** **** **** **** **** **** **** **** 0 1 **** DAYS WITH FREEZING MIN.<= 0 **** **** **** **** **** **** **** **** **** **** 5 6 **** TEMPERATURE RECORDS LOWEST(C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** -2.0 -4.0 ***** DAY ** ** ** ** ** ** ** ** ** ** 17 11 MAXIMUM AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 11.3 14.5 ***** DAYS WITH MAXIMUM TEMP. >=30 **** **** **** **** **** **** **** **** **** **** 0 0 **** DAYS WITH MAXIMUM TEMP. <= 0 **** **** **** **** **** **** **** **** **** **** 0 0 **** TEMPERATURE RECORDS HIGHEST(C)***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 17.0 25.0 ***** DAY ** ** ** ** ** ** ** ** ** ** 29 6 DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 7.5 11.2 ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 7.6 8.9 ***** COOLING DEG. DAYS(BASE 21 0C)****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 0.0 ****** HEATING DEG. DAYS(BASE 18 0C)****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 175.5 249.0 ****** DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 27.0 12.2 ****** DAYS WITH PRECIPITATION >=10 **** **** **** **** **** **** **** **** **** **** 0 0 **** DAYS WITH PRECIPITATION >= 5 **** **** **** **** **** **** **** **** **** **** 3 1 **** DAYS WITH PRECIPITATION >= 1 **** **** **** **** **** **** **** **** **** **** 4 3 **** DAYS WITH PRECIPITATION **** **** **** **** **** **** **** **** **** **** 5 5 **** GREATEST DAILY PRECIPITATION ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 9.0 6.0 ****** DAY ** ** ** ** ** ** ** ** ** ** 14 28 DAY WITH THUNDER STORM **** **** **** **** **** **** **** **** **** **** 0 0 **** DAYS WITH SNOW OR SLEET **** **** **** **** **** **** **** **** **** **** 1 1 **** DAYS WITH DUST **** **** **** **** **** **** **** **** **** **** 0 0 **** WIND DIRECTION (PREVAILING) *** *** *** *** *** *** *** *** *** *** *** 45 *** PREVAILING WIND SPEED(KNOTS) **** **** **** **** **** **** **** **** **** **** **** 2.1 **** PREVAILING WIND PERCENT ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 56.4 ***** CALMS PERCENT OF WIND ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 0.0 ***** NO. OF WIND OBSERVATION **** **** **** **** **** **** **** **** **** **** 108 163 271 VECTOR WIND DIRECTION (MEAN) *** *** *** *** *** *** *** *** *** *** *** 41 *** VECTOR WIND MAGNITUDE(KNOTS) **** **** **** **** **** **** **** **** **** **** **** 1.7 **** WIND STEADINESES (MEAN %) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 81.0 ***** WIND SPEED (MEAN KNOTS) **** **** **** **** **** **** **** **** **** **** **** 2.1 **** FASTEST WIND DIRECTION *** *** *** *** *** *** *** *** *** *** *** 50 *** FASTEST WIND SPEED (KNOTS) *** *** *** *** *** *** *** *** *** *** *** 5 *** DAY ** ** ** ** ** ** ** ** ** ** ** 4 DAYS WITH SKY CLEAR (0-2)/8 **** **** **** **** **** **** **** **** **** **** 3 14 **** DAYS WITH P.CLOUDY (3-6)/8 **** **** **** **** **** **** **** **** **** **** 6 11 **** DAYS WITH CLOUDY (7-8)/8 **** **** **** **** **** **** **** **** **** **** 9 6 **** DAYS WITH VISIBILITY =< 2 KM **** **** **** **** **** **** **** **** **** **** 0 1 **** DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.1 13.1 9.8 12.9 ***** ***** ***** ***** ***** ***** ***** ***** ***** MINIMUN AIR TEMPERATURE (C) 4.0 5.0 4.0 7.7 13.6 18.2 21.5 23.0 18.4 13.3 ***** ***** ***** DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 6 23 30 6 0 **** **** **** DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 **** **** **** DAYS WITH FREEZING MIN.<= 0 0 0 1 0 0 0 0 0 0 0 **** **** **** TEMPERATURE RECORDS LOWEST(C) 1.0 1.0 0.0 4.0 8.0 13.0 17.0 20.0 13.0 4.0 ***** ***** ***** DAY 19 1 9 2 5 9 2 4 26 26 ** ** MAXIMUM AIR TEMPERATURE (C) 14.9 18.2 13.8 16.9 ***** ***** 32.3 33.4 29.3 22.0 14.2 9.2 ***** DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 **** **** 22 29 12 1 0 0 **** DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 **** **** 0 0 0 0 0 0 **** TEMPERATURE RECORDS HIGHEST(C) 24.0 27.0 27.0 27.0 ***** ***** 38.0 37.0 36.0 31.0 22.0 17.0 ***** DAY 5 17 12 20 ** ** 13 9 2 19 18 7 DIF. BETWEEN (MAX.-MIN.) (C) 10.9 13.2 9.8 9.2 ***** ***** 10.8 10.4 10.9 8.7 ***** ***** ***** MEAN DAILY TEMP. (MDT) (C) 9.4 11.6 8.9 12.3 ***** ***** 26.9 28.2 23.8 17.6 ***** ***** ***** COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 3.0 16.0 182.5 222.5 90.0 6.0 0.0 0.0 ****** HEATING DEG. DAYS(BASE 18 0C) 265.5 179.0 281.5 126.5 4.5 0.0 0.0 0.0 0.0 32.0 0.0 0.0 ****** DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 14.4 13.6 37.0 0.0 0.0 1.0 25.5 11.8 22.1 21.2 18.2 17.9 182.7 DAYS WITH PRECIPITATION >=10 0 0 1 0 0 0 1 0 1 0 0 0 3 DAYS WITH PRECIPITATION >= 5 1 1 4 0 0 0 1 1 1 2 2 0 13 DAYS WITH PRECIPITATION >= 1 5 2 6 0 0 1 4 3 7 6 6 8 48 DAYS WITH PRECIPITATION 12 6 7 3 0 1 11 5 11 10 10 8 84 GREATEST DAILY PRECIPITATION 5.0 9.0 14.0 0.0 0.0 1.0 20.0 9.0 12.0 6.0 7.0 4.0 20.0 DAY 18 12 14 ** ** 9 25 17 29 1 5 4 DAY WITH THUNDER STORM 0 0 0 1 0 0 0 0 0 0 0 0 1 DAYS WITH SNOW OR SLEET 0 0 2 0 0 0 0 0 0 0 0 1 3 DAYS WITH DUST 0 0 1 0 0 0 0 0 0 0 0 0 1 WIND DIRECTION (PREVAILING) 45 45 45 360 *** *** *** *** *** *** *** *** *** PREVAILING WIND SPEED(KNOTS) 2.1 2.1 2.3 2.4 **** **** **** **** **** **** **** **** **** PREVAILING WIND PERCENT 68.4 67.9 60.6 53.0 ***** ***** ***** ***** ***** ***** ***** ***** ***** CALMS PERCENT OF WIND 0.0 0.0 0.0 0.0 ***** ***** ***** ***** ***** ***** ***** ***** ***** NO. OF WIND OBSERVATION 155 140 155 134 103 98 103 101 98 107 98 99 1391 VECTOR WIND DIRECTION (MEAN) 42 42 31 2 *** *** *** *** *** *** *** *** *** VECTOR WIND MAGNITUDE(KNOTS) 1.7 1.8 1.6 2.0 **** **** **** **** **** **** **** **** **** WIND STEADINESES (MEAN %) 81.0 85.7 66.7 80.0 ***** ***** ***** ***** ***** ***** ***** ***** ***** WIND SPEED (MEAN KNOTS) 2.1 2.1 2.4 2.5 **** **** **** **** **** **** **** **** **** FASTEST WIND DIRECTION 50 50 90 360 *** *** *** *** *** *** *** *** *** FASTEST WIND SPEED (KNOTS) 5 9 22 20 *** *** *** *** *** *** *** *** *** DAY 11 17 14 14 ** ** ** ** ** ** ** ** DAYS WITH SKY CLEAR (0-2)/8 10 10 7 4 10 16 9 9 13 10 4 9 111 DAYS WITH P.CLOUDY (3-6)/8 10 11 9 5 10 11 9 14 5 10 9 11 114 DAYS WITH CLOUDY (7-8)/8 11 7 15 21 11 3 13 8 12 11 17 11 140 DAYS WITH VISIBILITY =< 2 KM 3 0 0 0 0 0 0 0 0 0 3 0 6 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MINIMUN AIR TEMPERATURE (C) ***** ***** ***** 9.3 17.1 21.6 24.7 23.6 21.6 16.4 11.1 6.4 ***** DAYS WITH MINIMUM TEMP. >=21 **** **** **** 0 3 22 30 30 22 0 0 0 **** DAYS WITH MINIMUM TEMP. <=-4 **** **** **** 0 0 0 0 0 0 0 0 0 **** DAYS WITH FREEZING MIN.<= 0 **** **** **** 0 0 0 0 0 0 0 0 0 **** TEMPERATURE RECORDS LOWEST(C) ***** ***** ***** 4.0 12.0 18.0 19.0 20.0 17.0 13.0 1.0 3.0 ***** DAY ** ** ** 5 1 4 12 20 24 18 26 15 MAXIMUM AIR TEMPERATURE (C) 11.3 7.6 10.7 15.4 27.3 31.4 34.2 34.4 30.9 26.3 18.5 13.6 21.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 1 10 21 28 31 23 0 0 0 114 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 20.0 27.0 32.0 34.0 35.0 38.0 37.0 36.0 29.0 27.0 20.0 38.0 DAY 1 4 31 23 12 26 6 11 3 2 10 26 DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** 6.1 10.2 9.8 9.5 10.8 9.3 9.9 7.4 7.2 ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** 12.3 22.2 26.5 29.5 29.0 26.2 21.3 14.8 10.0 ***** COOLING DEG. DAYS(BASE 21 0C) 0.0 ****** 0.0 1.0 64.0 165.0 262.5 248.5 158.0 23.0 0.0 0.0 ****** HEATING DEG. DAYS(BASE 18 0C) 92.0 ****** 22.0 174.5 8.5 0.0 0.0 0.0 0.0 0.0 106.0 247.5 ****** DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 20.0 22.6 21.2 34.0 7.7 0.6 26.7 4.0 8.3 1.0 22.0 22.4 190.5 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH PRECIPITATION >= 5 0 0 1 2 1 0 3 0 1 0 3 2 13 DAYS WITH PRECIPITATION >= 1 10 10 7 12 1 0 4 2 1 1 5 2 55 DAYS WITH PRECIPITATION 13 16 13 16 4 3 8 2 2 1 6 5 89 GREATEST DAILY PRECIPITATION 4.0 4.0 7.0 8.0 6.6 0.5 9.0 3.0 8.0 1.0 8.0 15.0 15.0 DAY 17 9 19 2 18 17 12 14 22 9 3 7 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 1 1 0 0 0 2 DAYS WITH SNOW OR SLEET 2 4 1 0 0 0 0 0 0 0 0 0 7 DAYS WITH DUST 0 0 0 0 0 0 0 0 0 0 0 0 0 WIND DIRECTION (PREVAILING) *** *** *** *** *** *** *** *** *** *** *** *** *** PREVAILING WIND SPEED(KNOTS) **** **** **** **** **** **** **** **** **** **** **** **** **** PREVAILING WIND PERCENT ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** CALMS PERCENT OF WIND ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** NO. OF WIND OBSERVATION 93 84 93 90 93 90 93 93 90 93 90 93 1095 VECTOR WIND DIRECTION (MEAN) *** *** *** *** *** *** *** *** *** *** *** *** *** VECTOR WIND MAGNITUDE(KNOTS) **** **** **** **** **** **** **** **** **** **** **** **** **** WIND STEADINESES (MEAN %) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** WIND SPEED (MEAN KNOTS) **** **** **** **** **** **** **** **** **** **** **** **** **** FASTEST WIND DIRECTION *** *** *** *** *** *** *** *** *** *** *** *** *** FASTEST WIND SPEED (KNOTS) *** *** *** *** *** *** *** *** *** *** *** *** *** DAY ** ** ** ** ** ** ** ** ** ** ** ** DAYS WITH SKY CLEAR (0-2)/8 8 4 3 2 15 12 12 23 13 18 7 11 128 DAYS WITH P.CLOUDY (3-6)/8 10 6 8 6 10 10 11 6 12 13 10 7 109 DAYS WITH CLOUDY (7-8)/8 13 18 20 22 6 8 8 2 5 0 13 13 128 DAYS WITH VISIBILITY =< 2 KM 0 2 0 2 1 0 0 0 0 0 0 1 6 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** ***** 16.2 21.7 25.9 29.7 29.0 25.2 20.5 15.6 10.5 ***** MINIMUN AIR TEMPERATURE (C) 5.3 8.3 7.2 11.1 16.4 19.9 23.8 23.0 19.8 14.4 10.3 6.0 13.8 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 2 10 29 25 11 0 0 0 77 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 2.0 3.0 2.0 4.0 11.0 17.0 21.0 20.0 13.0 10.0 6.0 2.0 2.0 DAY 10 2 15 12 9 11 1 17 30 13 14 24 MAXIMUM AIR TEMPERATURE (C) 12.4 18.2 14.2 19.4 25.8 30.3 34.2 34.5 29.9 25.7 19.8 15.0 23.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 2 9 17 28 29 19 2 0 0 106 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 27.0 24.0 33.0 33.0 38.0 41.0 42.0 35.0 35.0 28.0 23.0 42.0 DAY 13 27 30 22 17 18 11 1 23 18 28 18 DIF. BETWEEN (MAX.-MIN.) (C) 7.1 9.9 7.0 8.3 9.4 10.4 10.4 11.5 10.1 11.3 9.5 9.0 9.5 MEAN DAILY TEMP. (MDT) (C) 8.9 13.2 10.7 15.2 21.1 25.1 29.0 28.7 24.8 20.0 15.0 10.5 18.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 9.5 42.5 125.5 222.5 239.5 121.0 14.0 0.0 0.0 774.5 HEATING DEG. DAYS(BASE 18 0C) 283.5 139.0 227.0 112.5 4.5 0.0 0.0 0.0 1.5 7.0 95.5 232.5 1103.0 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 15.2 21.9 75.7 73.8 55.4 52.4 0.0 12.0 34.3 36.0 41.1 31.4 449.2 DAYS WITH PRECIPITATION >=10 0 1 3 2 2 1 0 0 2 3 2 1 17 DAYS WITH PRECIPITATION >= 5 1 1 6 3 5 4 0 1 2 3 2 3 31 DAYS WITH PRECIPITATION >= 1 6 4 11 10 8 7 0 3 5 3 6 7 70 DAYS WITH PRECIPITATION 8 5 16 10 12 7 0 3 5 4 7 8 85 GREATEST DAILY PRECIPITATION 6.0 12.5 21.0 34.0 17.0 28.0 0.0 6.0 18.0 13.0 22.0 12.0 34.0 DAY 1 24 8 11 26 10 ** 17 30 11 5 20 DAY WITH THUNDER STORM 0 0 0 1 0 0 0 0 0 0 0 0 1 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 1 0 0 0 1 0 0 0 1 1 0 4 WIND DIRECTION (PREVAILING) *** *** *** 135 135 135 135 315 315 45 45 45 *** PREVAILING WIND SPEED(KNOTS) **** **** **** 2.1 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.1 **** PREVAILING WIND PERCENT ***** ***** ***** 46.2 38.7 46.7 27.3 20.0 28.0 49.7 35.3 31.6 ***** CALMS PERCENT OF WIND ***** ***** ***** 0.8 0.0 0.0 0.0 1.3 0.0 13.5 49.3 26.5 ***** NO. OF WIND OBSERVATION 93 84 93 130 155 150 143 155 150 155 150 155 1613 VECTOR WIND DIRECTION (MEAN) *** *** *** 172 163 163 179 51 323 33 40 17 *** VECTOR WIND MAGNITUDE(KNOTS) **** **** **** 1.5 1.2 1.0 1.0 0.3 0.6 1.2 0.6 0.9 **** WIND STEADINESES (MEAN %) ***** ***** ***** 62.5 57.1 47.6 47.6 15.0 30.0 63.2 54.5 56.3 ***** WIND SPEED (MEAN KNOTS) **** **** **** 2.4 2.1 2.1 2.1 2.0 2.0 1.9 1.1 1.6 **** FASTEST WIND DIRECTION *** *** *** 270 230 270 270 180 130 360 230 270 *** FASTEST WIND SPEED (KNOTS) *** *** *** 9 5 9 5 7 2 9 9 9 *** DAY ** ** ** 11 1 19 4 31 1 8 23 20 DAYS WITH SKY CLEAR (0-2)/8 9 13 5 7 8 14 14 8 5 16 11 9 119 DAYS WITH P.CLOUDY (3-6)/8 8 7 7 9 9 6 10 15 12 8 12 9 112 DAYS WITH CLOUDY (7-8)/8 14 8 19 14 14 10 5 8 13 7 7 13 132 DAYS WITH VISIBILITY =< 2 KM 0 0 0 2 3 0 0 0 1 0 1 4 11 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1956 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.8 8.2 8.3 15.7 18.8 24.1 25.9 27.6 22.4 18.7 14.5 8.5 16.8 MINIMUN AIR TEMPERATURE (C) 4.8 4.4 5.2 11.2 13.5 18.3 21.5 21.8 18.2 12.8 9.5 4.4 12.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 6 26 27 7 0 0 0 66 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 2 0 0 0 0 0 0 0 0 0 2 4 TEMPERATURE RECORDS LOWEST(C) 1.0 0.0 1.0 1.0 8.0 14.0 20.0 20.0 9.0 8.0 4.0 -1.0 -1.0 DAY 16 1 2 1 2 5 3 1 27 26 24 30 MAXIMUM AIR TEMPERATURE (C) 13.6 11.9 11.7 20.2 23.5 29.8 30.4 33.5 27.1 23.6 19.3 13.4 21.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 2 3 16 18 28 9 1 1 0 78 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 26.0 27.0 36.0 32.0 37.0 38.0 38.0 39.0 32.0 32.0 29.0 39.0 DAY 28 10 7 11 14 24 19 23 15 15 7 5 DIF. BETWEEN (MAX.-MIN.) (C) 8.8 7.5 6.5 9.0 10.0 11.5 8.9 11.7 8.9 10.8 9.8 9.0 9.4 MEAN DAILY TEMP. (MDT) (C) 9.2 8.1 8.4 15.7 18.5 24.0 26.0 27.7 22.7 18.2 14.4 8.9 16.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 13.5 6.5 95.5 154.5 207.5 81.5 3.0 2.0 0.0 564.0 HEATING DEG. DAYS(BASE 18 0C) 273.0 286.5 296.5 102.0 24.5 0.0 0.0 0.0 13.5 28.0 125.0 285.0 1434.0 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 36.0 89.8 80.7 97.2 42.6 0.7 23.8 10.2 63.4 18.3 34.4 50.7 547.8 DAYS WITH PRECIPITATION >=10 2 2 3 4 2 0 1 0 4 1 1 2 22 DAYS WITH PRECIPITATION >= 5 3 9 7 6 3 0 1 1 4 1 1 3 39 DAYS WITH PRECIPITATION >= 1 6 13 12 13 8 0 7 3 12 5 4 7 90 DAYS WITH PRECIPITATION 6 17 17 15 12 5 11 5 14 7 4 8 121 GREATEST DAILY PRECIPITATION 13.0 15.0 11.0 27.0 19.0 0.3 10.0 7.0 16.0 10.0 28.0 20.0 28.0 DAY 15 11 24 1 26 14 21 28 5 18 12 6 DAY WITH THUNDER STORM 0 0 0 0 1 0 0 0 0 0 1 0 2 DAYS WITH SNOW OR SLEET 0 1 0 1 0 0 0 0 0 0 0 1 3 DAYS WITH DUST 0 0 1 1 0 0 0 1 0 0 1 0 4 WIND DIRECTION (PREVAILING) 45 360 360 315 315 315 315 315 315 315 315 315 315 PREVAILING WIND SPEED(KNOTS) 2.1 2.1 2.1 2.2 2.1 2.2 2.2 2.5 2.2 2.3 2.2 2.2 2.2 PREVAILING WIND PERCENT 47.8 32.8 30.1 54.6 61.8 68.3 82.3 83.9 68.9 62.9 76.7 99.5 58.7 CALMS PERCENT OF WIND 8.1 12.6 4.8 1.1 0.0 1.1 1.1 0.5 1.1 0.0 0.0 0.0 2.5 NO. OF WIND OBSERVATION 186 174 186 185 186 180 186 186 180 186 180 186 2201 VECTOR WIND DIRECTION (MEAN) 25 8 313 318 316 313 316 311 301 317 319 310 320 VECTOR WIND MAGNITUDE(KNOTS) 1.4 1.2 1.5 1.8 1.8 2.0 2.0 2.3 2.1 2.0 2.5 2.1 1.8 WIND STEADINESES (MEAN %) 66.7 60.0 53.6 78.3 85.7 87.0 90.9 95.8 91.3 83.3 92.6 95.5 78.3 WIND SPEED (MEAN KNOTS) 2.1 2.0 2.8 2.3 2.1 2.3 2.2 2.4 2.3 2.4 2.7 2.2 2.3 FASTEST WIND DIRECTION 270 270 270 270 50 270 300 310 270 300 310 310 300 FASTEST WIND SPEED (KNOTS) 9 13 18 18 5 24 27 24 12 12 14 13 27 DAY 14 29 5 11 3 26 5 8 5 23 2 7 DAYS WITH SKY CLEAR (0-2)/8 11 6 3 5 8 14 5 16 7 18 10 10 113 DAYS WITH P.CLOUDY (3-6)/8 8 6 5 6 10 7 9 11 9 6 9 13 99 DAYS WITH CLOUDY (7-8)/8 12 17 23 19 13 9 17 4 14 7 11 8 154 DAYS WITH VISIBILITY =< 2 KM 1 2 2 2 2 0 1 1 2 1 1 6 21 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1956 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1956 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1956 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1957 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 5.6 8.8 10.8 15.2 22.3 23.5 26.6 27.1 26.3 18.4 12.5 10.7 17.3 MINIMUN AIR TEMPERATURE (C) 2.2 4.8 6.8 10.2 16.7 18.9 20.6 21.3 19.3 13.0 7.3 5.2 12.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 9 17 18 7 0 0 0 51 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 3 0 1 0 0 0 0 0 0 0 2 4 10 TEMPERATURE RECORDS LOWEST(C) 0.0 1.0 -1.0 3.0 11.0 13.0 15.0 16.0 16.0 7.0 -1.0 0.0 -1.0 DAY 20 6 30 6 3 6 5 16 25 14 23 18 MAXIMUM AIR TEMPERATURE (C) 9.9 13.5 15.8 19.8 27.7 28.1 32.4 32.2 31.7 22.2 16.1 15.5 22.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 13 14 26 25 30 4 0 0 112 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 14.0 18.0 29.0 28.0 36.0 35.0 37.0 44.0 35.0 33.0 25.0 28.0 44.0 DAY 13 11 4 14 10 16 26 5 12 6 13 16 DIF. BETWEEN (MAX.-MIN.) (C) 7.7 8.7 9.0 9.6 11.0 9.2 11.8 10.9 12.4 9.2 8.8 10.3 9.9 MEAN DAILY TEMP. (MDT) (C) 6.1 9.1 11.3 15.0 22.2 23.5 26.5 26.7 25.5 17.6 11.7 10.3 17.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.5 1.0 63.0 94.5 171.5 178.0 134.5 25.5 0.0 0.0 668.5 HEATING DEG. DAYS(BASE 18 0C) 370.0 248.5 212.5 110.5 8.0 8.5 0.0 0.0 0.0 63.5 190.5 238.0 1450.0 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 15.5 29.3 73.1 33.2 41.5 96.7 46.0 92.0 0.3 76.4 50.8 88.0 642.8 DAYS WITH PRECIPITATION >=10 0 0 1 0 1 3 1 3 0 4 2 3 18 DAYS WITH PRECIPITATION >= 5 1 4 6 2 1 8 3 4 0 7 5 3 44 DAYS WITH PRECIPITATION >= 1 4 5 15 9 5 11 3 4 0 9 6 5 76 DAYS WITH PRECIPITATION 9 8 15 11 8 13 3 4 1 9 6 5 92 GREATEST DAILY PRECIPITATION 8.1 8.0 21.0 9.0 33.0 27.0 35.0 34.0 0.3 18.0 15.5 30.0 35.0 DAY 11 12 29 4 21 6 4 14 28 11 16 28 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 1 0 1 0 0 0 0 0 0 0 1 1 4 DAYS WITH DUST 0 0 0 0 0 0 0 0 0 1 8 3 12 WIND DIRECTION (PREVAILING) 315 315 315 315 315 315 315 315 315 360 315 315 315 PREVAILING WIND SPEED(KNOTS) 2.2 2.2 2.4 2.3 2.6 2.5 4.0 6.6 8.1 5.9 5.4 4.7 3.7 PREVAILING WIND PERCENT 98.9 94.0 75.3 90.6 97.8 91.1 73.4 64.0 69.7 54.8 63.8 34.8 74.5 CALMS PERCENT OF WIND 0.0 0.0 0.0 0.0 0.0 0.6 10.6 5.9 3.4 14.8 8.7 31.0 5.8 NO. OF WIND OBSERVATION 186 168 186 180 185 180 188 186 178 155 149 155 2096 VECTOR WIND DIRECTION (MEAN) 310 312 304 308 308 312 319 323 316 335 319 307 317 VECTOR WIND MAGNITUDE(KNOTS) 2.2 2.2 2.4 2.4 2.6 2.4 3.5 5.6 7.4 4.6 4.8 1.4 3.4 WIND STEADINESES (MEAN %) 100.0 100.0 88.9 96.0 100.0 96.0 94.6 87.5 90.2 86.8 90.6 42.4 87.2 WIND SPEED (MEAN KNOTS) 2.2 2.2 2.7 2.5 2.6 2.5 3.7 6.4 8.2 5.3 5.3 3.3 3.9 FASTEST WIND DIRECTION 310 310 270 270 270 310 360 310 310 270 270 270 310 FASTEST WIND SPEED (KNOTS) 13 13 18 18 13 9 9 22 25 22 18 18 25 DAY 19 7 26 1 19 17 3 25 13 3 5 7 DAYS WITH SKY CLEAR (0-2)/8 5 11 8 10 6 11 17 20 21 16 11 17 153 DAYS WITH P.CLOUDY (3-6)/8 13 8 7 4 14 5 10 4 9 7 12 6 99 DAYS WITH CLOUDY (7-8)/8 13 9 16 16 11 14 4 7 0 8 7 8 113 DAYS WITH VISIBILITY =< 2 KM 6 6 13 9 3 11 0 0 1 1 15 31 96 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1957 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1957 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1957 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1958 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.1 11.7 15.1 16.7 24.6 27.4 27.7 28.3 25.9 20.0 10.7 10.8 19.2 MINIMUN AIR TEMPERATURE (C) 6.5 5.9 9.4 11.2 16.5 20.4 22.3 22.4 19.7 14.8 5.4 6.4 13.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 3 14 24 27 11 1 0 0 80 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 1 0 0 0 0 0 0 0 0 0 0 1 TEMPERATURE RECORDS LOWEST(C) 3.0 -1.0 5.0 7.0 10.0 17.0 17.0 19.0 15.0 7.0 2.0 2.0 -1.0 DAY 1 5 28 6 6 13 13 4 21 31 22 13 MAXIMUM AIR TEMPERATURE (C) 14.7 17.1 20.0 21.1 29.7 32.6 32.0 32.9 30.2 24.3 14.6 14.2 23.6 DAYS WITH MAXIMUM TEMP. >=30 0 2 1 3 17 21 22 28 21 4 0 0 119 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 26.0 30.0 34.0 33.0 38.0 41.0 40.0 37.0 36.0 34.0 22.0 26.0 41.0 DAY 9 21 14 26 17 8 7 11 1 17 27 8 DIF. BETWEEN (MAX.-MIN.) (C) 8.2 11.2 10.6 9.9 13.2 12.2 9.7 10.5 10.5 9.5 9.2 7.8 10.2 MEAN DAILY TEMP. (MDT) (C) 10.6 11.5 14.7 16.1 23.1 26.5 27.1 27.7 24.9 19.5 10.0 10.3 18.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.5 2.0 5.0 90.5 165.5 191.0 206.5 118.5 17.5 0.0 0.0 797.0 HEATING DEG. DAYS(BASE 18 0C) 229.5 190.0 105.5 76.5 3.0 0.0 0.0 0.0 0.0 18.5 239.0 239.5 1101.5 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 76.0 52.0 135.0 152.0 25.0 111.0 112.0 25.0 24.0 105.0 108.0 37.0 962.0 DAYS WITH PRECIPITATION >=10 2 1 3 6 1 4 3 0 1 3 3 1 28 DAYS WITH PRECIPITATION >= 5 7 2 6 11 2 4 5 4 2 4 4 3 54 DAYS WITH PRECIPITATION >= 1 9 5 13 14 4 8 8 5 4 7 6 3 86 DAYS WITH PRECIPITATION 9 5 13 14 4 8 8 5 4 7 6 3 86 GREATEST DAILY PRECIPITATION 20.0 34.0 48.0 35.0 14.0 29.0 41.0 7.0 11.0 50.0 68.0 22.0 68.0 DAY 11 1 25 18 12 13 12 22 6 1 7 29 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 1 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH DUST 0 0 0 0 0 0 1 0 0 0 0 0 1 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 315 270 270 PREVAILING WIND SPEED(KNOTS) 5.2 6.4 8.4 8.2 6.8 6.7 4.5 5.3 6.1 5.9 3.7 4.3 6.3 PREVAILING WIND PERCENT 16.1 22.5 36.0 34.0 37.5 28.7 28.4 28.4 34.0 26.5 14.7 20.0 26.8 CALMS PERCENT OF WIND 30.3 17.6 11.3 14.0 20.4 28.7 32.9 47.7 43.3 49.7 70.0 60.6 35.7 NO. OF WIND OBSERVATION 155 142 150 150 152 150 155 155 150 155 150 155 1819 VECTOR WIND DIRECTION (MEAN) 269 297 279 287 284 290 277 286 285 292 304 284 286 VECTOR WIND MAGNITUDE(KNOTS) 0.9 1.5 2.3 2.6 3.0 2.4 2.3 2.3 2.7 1.8 1.0 1.4 2.0 WIND STEADINESES (MEAN %) 32.1 40.5 41.8 50.0 69.8 63.2 74.2 85.2 84.4 64.3 76.9 87.5 60.6 WIND SPEED (MEAN KNOTS) 2.8 3.7 5.5 5.2 4.3 3.8 3.1 2.7 3.2 2.8 1.3 1.6 3.3 FASTEST WIND DIRECTION 230 270 270 270 270 270 270 310 270 270 270 230 270 FASTEST WIND SPEED (KNOTS) 15 18 20 25 15 15 12 12 13 15 8 10 25 DAY 10 23 24 20 3 8 7 3 11 28 19 4 DAYS WITH SKY CLEAR (0-2)/8 10 16 8 3 21 18 13 15 13 16 19 11 163 DAYS WITH P.CLOUDY (3-6)/8 12 7 12 11 6 5 8 7 12 5 5 12 102 DAYS WITH CLOUDY (7-8)/8 9 5 10 16 4 7 10 9 5 10 6 8 99 DAYS WITH VISIBILITY =< 2 KM 28 2 0 0 0 0 0 0 0 0 0 1 31 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1958 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1958 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1958 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1959 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.6 6.6 9.9 18.3 22.3 25.8 29.3 28.2 24.6 19.6 11.9 8.2 17.9 MINIMUN AIR TEMPERATURE (C) 4.9 2.5 5.5 12.8 16.6 19.6 22.7 23.5 19.7 14.0 8.2 4.3 12.9 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 1 13 28 30 9 0 0 0 81 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 7 0 0 0 0 0 0 0 0 0 4 11 TEMPERATURE RECORDS LOWEST(C) 1.0 -2.0 2.0 7.0 9.0 16.0 20.0 20.0 16.0 11.0 1.0 -2.0 -2.0 DAY 4 12 1 3 4 3 2 27 29 9 27 14 MAXIMUM AIR TEMPERATURE (C) 13.9 10.5 13.7 23.2 26.7 29.9 33.5 32.1 28.4 23.9 15.4 12.1 21.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 4 9 17 26 24 12 2 0 0 94 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 20.0 20.0 23.0 36.0 34.0 40.0 39.0 37.0 36.0 39.0 23.0 24.0 40.0 DAY 7 24 28 14 19 16 20 4 2 25 6 6 DIF. BETWEEN (MAX.-MIN.) (C) 9.0 8.0 8.2 10.4 10.1 10.3 10.8 8.6 8.7 9.9 7.2 7.8 9.0 MEAN DAILY TEMP. (MDT) (C) 9.4 6.5 9.6 18.0 21.7 24.7 28.1 27.8 24.1 18.9 11.8 8.2 17.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 17.5 51.0 115.5 221.0 210.5 92.5 10.5 0.0 0.0 718.5 HEATING DEG. DAYS(BASE 18 0C) 266.5 323.0 259.5 50.0 12.5 0.0 0.0 0.0 0.0 20.0 186.5 303.5 1421.5 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 298.0 146.0 184.0 144.0 99.0 84.0 23.0 38.0 54.0 247.3 191.4 71.2 1579.9 DAYS WITH PRECIPITATION >=10 7 6 6 9 2 2 0 1 1 5 5 4 48 DAYS WITH PRECIPITATION >= 5 7 10 7 9 3 2 3 1 3 7 8 5 65 DAYS WITH PRECIPITATION >= 1 7 13 11 10 4 7 4 5 10 9 13 7 100 DAYS WITH PRECIPITATION 8 13 11 10 4 7 4 5 10 9 15 9 105 GREATEST DAILY PRECIPITATION 85.0 32.0 46.0 30.0 69.0 48.0 8.0 33.0 23.0 65.0 72.0 16.0 85.0 DAY 24 21 14 26 2 2 27 11 13 30 1 1 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 1 0 1 DAYS WITH SNOW OR SLEET 1 6 0 0 0 0 0 0 0 0 1 3 11 DAYS WITH DUST 0 0 1 0 0 0 0 0 0 0 0 1 2 WIND DIRECTION (PREVAILING) 45 360 270 360 270 270 360 270 360 360 360 270 360 PREVAILING WIND SPEED(KNOTS) 3.5 4.0 7.2 4.1 6.8 6.7 4.3 5.9 3.7 3.8 3.8 4.1 3.9 PREVAILING WIND PERCENT 9.0 15.0 15.5 20.7 17.4 27.3 32.9 32.9 31.3 41.9 32.0 31.6 22.7 CALMS PERCENT OF WIND 64.5 57.9 54.2 49.3 51.6 35.3 22.6 29.7 41.3 27.7 16.0 25.2 39.5 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 320 340 301 321 296 278 324 304 322 345 314 294 311 VECTOR WIND MAGNITUDE(KNOTS) 0.9 1.1 1.5 1.5 1.3 2.2 2.0 2.3 1.5 1.7 2.1 2.1 1.6 WIND STEADINESES (MEAN %) 52.9 52.4 60.0 60.0 44.8 56.4 52.6 65.7 60.0 54.8 60.0 70.0 55.2 WIND SPEED (MEAN KNOTS) 1.7 2.1 2.5 2.5 2.9 3.9 3.8 3.5 2.5 3.1 3.5 3.0 2.9 FASTEST WIND DIRECTION 310 270 270 270 220 270 310 270 270 200 270 270 220 FASTEST WIND SPEED (KNOTS) 10 12 11 12 15 10 8 10 8 14 12 8 15 DAY 23 20 31 22 19 17 21 24 5 14 20 1 DAYS WITH SKY CLEAR (0-2)/8 14 8 4 8 10 9 16 8 8 13 7 9 114 DAYS WITH P.CLOUDY (3-6)/8 8 8 9 6 10 14 9 11 7 5 6 5 98 DAYS WITH CLOUDY (7-8)/8 9 12 18 16 11 7 6 12 15 13 17 17 153 DAYS WITH VISIBILITY =< 2 KM 13 7 0 2 0 0 1 0 0 0 1 4 28 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1959 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1959 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1959 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1960 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.4 11.7 8.6 16.2 22.5 27.6 28.3 28.3 26.9 23.2 15.2 10.7 19.2 MINIMUN AIR TEMPERATURE (C) 6.0 6.5 3.5 10.7 15.3 20.7 22.1 22.5 20.4 16.2 10.2 6.0 13.3 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 1 16 27 31 18 1 0 0 94 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 1 2 0 0 0 0 0 0 0 0 0 3 TEMPERATURE RECORDS LOWEST(C) 2.0 0.0 -2.0 6.0 12.0 16.0 19.0 21.0 17.0 13.0 5.0 3.0 -2.0 DAY 2 11 20 8 3 5 10 13 22 25 11 28 MAXIMUM AIR TEMPERATURE (C) 16.7 16.3 12.3 19.7 27.5 32.4 32.7 32.6 31.5 28.2 19.7 15.3 23.7 DAYS WITH MAXIMUM TEMP. >=30 0 1 1 6 12 20 23 26 23 9 1 0 122 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 32.0 31.0 36.0 38.0 40.0 40.0 37.0 36.0 38.0 30.0 19.0 40.0 DAY 9 21 31 25 30 14 27 1 7 21 17 14 DIF. BETWEEN (MAX.-MIN.) (C) 10.7 9.8 8.8 9.0 12.2 11.7 10.6 10.1 11.1 12.0 9.5 9.3 10.4 MEAN DAILY TEMP. (MDT) (C) 11.3 11.4 7.9 15.2 21.4 26.5 27.4 27.5 25.9 22.2 14.9 10.6 18.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 2.5 0.0 24.0 48.5 166.5 199.0 202.5 148.5 44.5 1.0 0.0 837.0 HEATING DEG. DAYS(BASE 18 0C) 208.0 196.5 314.0 127.5 1.5 0.0 0.0 0.0 0.0 0.0 106.5 228.0 1182.0 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 15.0 26.2 99.4 66.0 23.0 12.0 37.0 34.0 15.0 25.0 146.0 52.0 550.6 DAYS WITH PRECIPITATION >=10 0 0 3 2 0 0 2 0 0 1 6 3 17 DAYS WITH PRECIPITATION >= 5 0 3 9 8 2 1 2 3 2 1 8 3 42 DAYS WITH PRECIPITATION >= 1 7 6 13 9 6 2 8 9 4 3 12 6 85 DAYS WITH PRECIPITATION 7 6 16 9 6 2 8 9 4 3 12 6 88 GREATEST DAILY PRECIPITATION 4.0 8.0 17.0 12.0 7.0 9.0 12.0 9.0 6.0 20.0 34.0 19.0 34.0 DAY 8 10 7 6 14 28 21 18 15 22 20 17 DAY WITH THUNDER STORM 0 0 0 0 0 1 0 0 0 0 0 0 1 DAYS WITH SNOW OR SLEET 0 0 5 0 0 0 0 0 0 0 0 0 5 DAYS WITH DUST 0 1 2 0 0 0 0 0 0 1 0 0 4 WIND DIRECTION (PREVAILING) 270 270 270 270 270 225 225 225 225 270 270 180 270 PREVAILING WIND SPEED(KNOTS) 3.8 4.0 3.7 3.3 5.1 4.5 3.4 3.7 4.3 5.5 4.1 2.8 4.1 PREVAILING WIND PERCENT 28.4 35.9 31.0 19.3 24.5 32.0 21.3 25.8 22.0 12.3 16.0 12.3 17.9 CALMS PERCENT OF WIND 31.6 34.5 24.5 61.3 45.8 52.0 61.9 52.9 68.0 65.2 52.7 51.0 50.1 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 268 278 245 248 246 237 243 247 238 250 229 201 247 VECTOR WIND MAGNITUDE(KNOTS) 1.0 1.6 1.4 1.2 2.4 2.0 1.0 1.6 1.2 1.0 0.6 0.4 1.2 WIND STEADINESES (MEAN %) 37.0 64.0 50.0 92.3 85.7 90.9 76.9 88.9 92.3 58.8 31.6 23.5 60.0 WIND SPEED (MEAN KNOTS) 2.7 2.5 2.8 1.3 2.8 2.2 1.3 1.8 1.3 1.7 1.9 1.7 2.0 FASTEST WIND DIRECTION 230 270 270 230 230 230 270 310 230 270 270 270 270 FASTEST WIND SPEED (KNOTS) 12 12 8 12 13 13 9 9 6 15 12 16 16 DAY 3 2 6 5 6 11 2 3 1 29 14 3 DAYS WITH SKY CLEAR (0-2)/8 14 11 12 2 15 9 12 9 16 21 15 13 149 DAYS WITH P.CLOUDY (3-6)/8 11 6 4 12 8 11 8 12 8 6 5 13 104 DAYS WITH CLOUDY (7-8)/8 6 12 15 16 8 10 11 10 6 4 10 5 113 DAYS WITH VISIBILITY =< 2 KM 0 0 1 0 0 0 0 0 0 0 1 0 2 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1960 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1960 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1960 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.5 9.4 12.0 17.3 25.9 28.7 28.2 28.5 24.7 20.3 16.0 13.2 19.4 MINIMUN AIR TEMPERATURE (C) 4.7 4.3 6.5 11.1 18.2 20.7 23.2 22.4 19.6 14.0 9.5 8.2 13.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 5 18 29 28 6 0 0 0 86 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 1 2 0 0 0 0 0 0 0 0 0 0 3 TEMPERATURE RECORDS LOWEST(C) -1.0 -1.0 2.0 6.0 13.0 13.0 20.0 19.0 16.0 8.0 5.0 5.0 -1.0 DAY 31 1 4 17 2 8 16 9 20 25 15 26 MAXIMUM AIR TEMPERATURE (C) 12.6 14.3 16.6 22.3 31.7 34.6 32.4 33.0 28.7 25.1 21.6 18.7 24.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 5 22 27 26 26 15 1 0 0 122 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 26.0 28.0 35.0 42.0 43.0 37.0 40.0 35.0 34.0 27.0 24.0 43.0 DAY 18 8 24 22 16 25 1 18 11 15 22 2 DIF. BETWEEN (MAX.-MIN.) (C) 7.9 10.0 10.1 11.2 13.5 13.9 9.2 10.6 9.1 11.1 12.1 10.5 10.8 MEAN DAILY TEMP. (MDT) (C) 8.7 9.3 11.5 16.7 25.0 27.6 27.8 27.7 24.2 19.5 15.6 13.5 18.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 9.5 128.0 202.5 210.0 207.5 95.0 13.5 0.0 0.0 866.0 HEATING DEG. DAYS(BASE 18 0C) 289.5 244.0 202.0 73.0 0.0 0.0 0.0 0.0 0.0 22.0 75.0 140.0 1045.5 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 92.6 18.4 118.0 60.6 27.6 46.0 18.6 23.6 59.0 27.0 54.0 86.0 631.4 DAYS WITH PRECIPITATION >=10 5 0 5 1 1 1 1 1 2 1 2 4 24 DAYS WITH PRECIPITATION >= 5 7 3 8 5 1 1 2 2 6 1 4 4 44 DAYS WITH PRECIPITATION >= 1 10 3 11 8 3 1 3 5 10 2 8 4 68 DAYS WITH PRECIPITATION 10 4 11 9 4 1 4 6 10 2 8 4 73 GREATEST DAILY PRECIPITATION 23.0 7.0 33.0 30.0 22.0 46.0 10.0 10.0 10.0 24.0 17.0 38.0 46.0 DAY 7 19 27 16 1 7 18 8 15 24 13 20 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 0 3 0 2 0 0 1 0 0 1 0 8 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 4.4 5.6 5.8 5.4 8.2 7.4 6.7 8.3 6.1 7.0 5.8 5.5 6.5 PREVAILING WIND PERCENT 18.7 20.0 26.5 18.7 21.3 19.3 23.9 28.4 36.0 21.3 4.0 16.1 21.2 CALMS PERCENT OF WIND 45.8 50.0 51.6 54.0 45.8 42.0 33.5 34.8 32.0 48.4 82.0 52.3 47.6 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 234 244 264 255 268 273 271 261 260 262 253 240 262 VECTOR WIND MAGNITUDE(KNOTS) 1.0 0.9 1.5 1.3 2.7 2.5 3.0 3.2 3.1 2.1 0.2 1.0 1.8 WIND STEADINESES (MEAN %) 50.0 39.1 65.2 61.9 75.0 71.4 78.9 71.1 77.5 77.8 28.6 47.6 64.3 WIND SPEED (MEAN KNOTS) 2.0 2.3 2.3 2.1 3.6 3.5 3.8 4.5 4.0 2.7 0.7 2.1 2.8 FASTEST WIND DIRECTION 270 270 270 270 270 310 270 270 230 270 270 270 270 FASTEST WIND SPEED (KNOTS) 12 20 12 12 40 16 16 30 12 16 20 12 40 DAY 19 9 3 14 25 6 12 20 2 4 17 14 DAYS WITH SKY CLEAR (0-2)/8 14 11 15 11 19 26 10 13 10 20 15 19 183 DAYS WITH P.CLOUDY (3-6)/8 5 7 5 10 9 4 12 14 9 8 11 9 103 DAYS WITH CLOUDY (7-8)/8 12 10 11 9 3 0 9 4 11 3 4 3 79 DAYS WITH VISIBILITY =< 2 KM 2 0 0 0 1 0 0 0 0 0 0 0 3 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.0 12.3 15.6 16.5 23.5 26.5 31.1 30.0 26.4 20.8 13.3 11.2 19.7 MINIMUN AIR TEMPERATURE (C) 4.0 6.4 9.0 11.2 16.3 19.5 24.2 23.3 19.1 14.2 7.9 6.7 13.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 9 31 30 15 0 0 0 85 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 1.0 3.0 6.0 10.0 14.0 14.0 22.0 20.0 14.0 10.0 2.0 1.0 1.0 DAY 13 23 6 1 1 10 1 6 18 12 15 11 MAXIMUM AIR TEMPERATURE (C) 13.4 16.7 21.0 20.2 28.5 31.5 36.3 34.9 31.6 26.2 18.5 16.3 24.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 3 0 15 21 31 29 23 10 0 0 132 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 25.0 31.0 28.0 38.0 40.0 43.0 38.0 39.0 32.0 26.0 28.0 43.0 DAY 4 16 10 8 17 7 21 1 11 6 5 20 DIF. BETWEEN (MAX.-MIN.) (C) 9.4 10.3 12.0 9.0 12.2 12.0 12.1 11.6 12.5 12.0 10.6 9.6 11.1 MEAN DAILY TEMP. (MDT) (C) 8.7 11.6 15.0 15.7 22.4 25.5 30.2 29.1 25.3 20.2 13.2 11.5 19.0 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.5 0.0 56.0 139.0 285.5 252.0 134.5 30.5 0.0 0.5 898.5 HEATING DEG. DAYS(BASE 18 0C) 287.5 181.0 102.0 76.5 0.5 1.5 0.0 0.0 1.0 16.0 147.5 208.5 1022.0 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 38.2 54.0 78.0 70.0 79.0 66.0 6.0 19.0 25.0 41.0 51.0 13.0 540.2 DAYS WITH PRECIPITATION >=10 0 2 3 2 2 1 0 1 1 2 3 0 17 DAYS WITH PRECIPITATION >= 5 5 4 5 8 4 3 1 1 1 3 3 1 39 DAYS WITH PRECIPITATION >= 1 8 9 8 13 8 8 2 3 2 5 6 5 77 DAYS WITH PRECIPITATION 8 9 8 13 8 8 2 3 2 5 6 5 77 GREATEST DAILY PRECIPITATION 9.0 18.0 26.0 14.0 28.0 45.0 5.0 13.0 23.0 23.0 22.0 5.0 45.0 DAY 18 8 29 19 12 10 28 4 18 11 11 15 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 1 0 0 0 0 0 0 0 0 0 0 1 WIND DIRECTION (PREVAILING) 270 90 270 270 270 270 270 270 270 270 225 270 270 PREVAILING WIND SPEED(KNOTS) 5.6 3.4 6.4 4.4 7.3 6.9 5.2 5.1 4.9 5.1 5.8 7.3 5.7 PREVAILING WIND PERCENT 6.5 5.0 23.2 25.3 21.9 18.7 33.5 42.6 31.3 14.2 7.3 11.0 20.1 CALMS PERCENT OF WIND 78.1 75.0 49.0 46.7 53.5 58.0 40.0 32.9 51.3 71.6 63.3 72.9 57.6 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 254 265 269 264 260 274 274 275 267 255 237 242 266 VECTOR WIND MAGNITUDE(KNOTS) 0.4 0.3 1.7 1.4 1.9 1.9 2.8 3.1 1.9 1.0 0.6 0.9 1.5 WIND STEADINESES (MEAN %) 50.0 27.3 65.4 60.9 67.9 73.1 87.5 81.6 79.2 71.4 30.0 56.3 68.2 WIND SPEED (MEAN KNOTS) 0.8 1.1 2.6 2.3 2.8 2.6 3.2 3.8 2.4 1.4 2.0 1.6 2.2 FASTEST WIND DIRECTION 270 270 270 230 270 270 230 230 270 270 270 270 270 FASTEST WIND SPEED (KNOTS) 12 16 20 12 15 20 20 16 12 12 12 20 20 DAY 9 5 25 6 18 8 26 3 12 2 1 6 DAYS WITH SKY CLEAR (0-2)/8 13 7 12 10 15 20 25 23 21 22 17 12 197 DAYS WITH P.CLOUDY (3-6)/8 7 13 11 5 8 4 6 4 3 4 6 11 82 DAYS WITH CLOUDY (7-8)/8 11 8 8 15 8 6 0 4 6 5 7 8 86 DAYS WITH VISIBILITY =< 2 KM 2 1 4 0 0 1 0 0 0 2 0 2 12 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.9 11.8 12.7 17.6 21.4 26.7 28.7 28.1 26.2 21.0 13.2 8.4 19.0 MINIMUN AIR TEMPERATURE (C) 6.7 7.0 6.5 12.5 15.1 19.8 22.7 22.4 20.0 14.2 5.1 1.1 12.8 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 2 6 28 28 10 0 0 0 74 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 3 3 DAYS WITH FREEZING MIN.<= 0 0 0 3 0 0 0 0 0 0 0 3 13 19 TEMPERATURE RECORDS LOWEST(C) 2.0 1.0 -1.0 9.0 10.0 16.0 18.0 19.0 17.0 8.0 -2.0 -7.0 -7.0 DAY 6 10 7 2 4 13 1 4 11 19 27 26 MAXIMUM AIR TEMPERATURE (C) 17.1 16.2 17.7 22.4 25.9 32.4 34.0 33.3 31.3 25.0 17.8 13.5 23.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 3 9 22 27 30 23 3 0 0 119 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 28.0 29.0 31.0 34.0 35.0 40.0 41.0 38.0 36.0 32.0 25.0 23.0 41.0 DAY 15 20 15 29 28 2 21 23 2 16 1 8 DIF. BETWEEN (MAX.-MIN.) (C) 10.4 9.2 11.2 9.9 10.8 12.6 11.3 10.9 11.3 10.8 12.7 12.4 11.1 MEAN DAILY TEMP. (MDT) (C) 11.9 11.6 12.1 17.4 20.5 26.1 28.4 27.9 25.6 19.6 11.4 7.3 18.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.5 11.0 37.0 152.0 229.0 212.5 139.5 15.5 0.0 0.0 797.0 HEATING DEG. DAYS(BASE 18 0C) 193.5 187.0 193.0 46.0 16.0 0.0 0.0 0.0 0.0 17.5 197.5 331.0 1181.5 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 27.0 35.0 112.2 42.0 84.0 40.0 27.0 22.6 19.0 167.0 55.6 51.0 682.4 DAYS WITH PRECIPITATION >=10 1 1 7 1 3 2 1 0 0 5 2 2 25 DAYS WITH PRECIPITATION >= 5 2 3 9 4 5 2 1 2 2 8 3 4 45 DAYS WITH PRECIPITATION >= 1 7 9 14 10 11 8 5 6 6 11 7 5 99 DAYS WITH PRECIPITATION 8 9 15 10 11 8 5 7 6 11 7 5 102 GREATEST DAILY PRECIPITATION 11.0 10.0 16.0 10.0 35.0 16.0 17.0 9.0 7.0 41.0 27.0 20.0 41.0 DAY 5 3 6 21 18 17 7 2 9 8 25 25 DAY WITH THUNDER STORM 0 0 0 0 1 0 0 0 0 0 0 0 1 DAYS WITH SNOW OR SLEET 0 0 1 0 0 0 0 0 0 0 0 2 3 DAYS WITH DUST 0 0 0 0 0 0 1 0 0 0 0 0 1 WIND DIRECTION (PREVAILING) 270 270 270 270 270 225 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 6.2 6.7 7.9 6.9 7.4 9.6 6.1 7.4 6.7 8.7 8.0 7.2 7.0 PREVAILING WIND PERCENT 12.3 12.9 10.3 16.7 36.8 24.7 27.7 27.1 20.0 7.1 6.7 6.5 16.7 CALMS PERCENT OF WIND 76.8 77.1 72.9 60.0 40.6 43.3 48.4 43.9 58.0 81.3 82.0 85.2 64.1 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 257 257 259 256 262 247 249 254 254 231 217 246 254 VECTOR WIND MAGNITUDE(KNOTS) 0.8 0.9 1.0 1.7 3.6 3.2 2.4 3.1 2.2 0.2 0.2 0.4 1.6 WIND STEADINESES (MEAN %) 61.5 64.3 58.8 68.0 78.3 66.7 68.6 70.5 73.3 15.4 14.3 36.4 61.5 WIND SPEED (MEAN KNOTS) 1.3 1.4 1.7 2.5 4.6 4.8 3.5 4.4 3.0 1.3 1.4 1.1 2.6 FASTEST WIND DIRECTION 270 270 270 270 270 310 270 270 270 270 270 230 270 FASTEST WIND SPEED (KNOTS) 12 16 28 16 16 16 16 16 12 16 16 16 28 DAY 4 24 5 29 17 1 15 10 2 13 16 11 DAYS WITH SKY CLEAR (0-2)/8 11 8 11 6 10 15 11 8 16 10 17 17 140 DAYS WITH P.CLOUDY (3-6)/8 11 5 6 9 11 8 6 19 8 13 7 7 110 DAYS WITH CLOUDY (7-8)/8 9 15 14 15 10 7 14 4 6 8 5 7 114 DAYS WITH VISIBILITY =< 2 KM 0 1 0 2 0 0 0 0 0 0 1 1 5 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 4.1 9.2 10.9 14.8 23.0 28.4 27.5 26.9 24.6 18.8 16.0 8.1 17.7 MINIMUN AIR TEMPERATURE (C) -2.4 2.0 4.6 6.6 13.9 19.6 20.7 20.2 17.9 10.6 7.5 1.5 10.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 10 14 15 2 0 0 0 41 DAYS WITH MINIMUM TEMP. <=-4 8 0 0 0 0 0 0 0 0 0 0 3 11 DAYS WITH FREEZING MIN.<= 0 27 6 1 0 0 0 0 0 0 0 0 10 44 TEMPERATURE RECORDS LOWEST(C) -9.0 -2.0 -2.0 2.0 7.0 15.0 19.0 17.0 14.0 6.0 1.0 -5.0 -9.0 DAY 20 1 8 16 3 24 1 26 25 28 30 27 MAXIMUM AIR TEMPERATURE (C) 8.9 13.6 14.6 19.2 28.5 33.3 31.7 31.1 28.9 23.7 21.8 12.5 22.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 4 15 28 24 21 15 1 4 0 113 DAYS WITH MAXIMUM TEMP. <= 0 1 0 0 0 0 0 0 0 0 0 0 0 1 TEMPERATURE RECORDS HIGHEST(C) 16.0 22.0 31.0 36.0 38.0 38.0 38.0 37.0 32.0 30.0 32.0 20.0 38.0 DAY 16 22 26 29 11 4 18 13 11 2 22 5 DIF. BETWEEN (MAX.-MIN.) (C) 11.3 11.6 10.0 12.6 14.6 13.7 11.0 10.9 11.0 13.1 14.3 11.0 12.1 MEAN DAILY TEMP. (MDT) (C) 3.2 7.8 9.6 12.9 21.2 26.4 26.2 25.6 23.4 17.1 14.6 7.0 16.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 4.5 41.5 163.5 161.5 143.0 72.5 5.0 2.5 0.0 594.0 HEATING DEG. DAYS(BASE 18 0C) 457.5 295.5 260.5 167.5 12.0 0.0 0.0 0.0 0.0 47.0 112.5 341.0 1693.5 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 75.0 38.4 90.4 82.6 14.0 6.4 26.6 10.8 47.0 46.8 102.0 56.0 596.0 DAYS WITH PRECIPITATION >=10 4 1 3 4 0 0 1 0 1 2 2 3 21 DAYS WITH PRECIPITATION >= 5 5 3 5 4 2 0 2 1 1 3 5 5 36 DAYS WITH PRECIPITATION >= 1 7 5 13 11 3 2 8 4 6 5 7 8 79 DAYS WITH PRECIPITATION 7 6 13 11 3 3 9 7 6 6 7 8 86 GREATEST DAILY PRECIPITATION 20.0 25.0 33.0 19.0 6.0 4.0 12.0 5.0 40.0 18.0 58.0 16.0 58.0 DAY 1 27 28 14 1 23 12 10 16 25 28 18 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 5 0 0 0 0 0 0 0 0 0 0 1 6 DAYS WITH DUST 0 0 0 0 0 0 0 0 0 1 0 0 1 WIND DIRECTION (PREVAILING) 270 225 225 225 270 270 225 225 225 270 270 225 270 PREVAILING WIND SPEED(KNOTS) 9.5 8.0 7.2 7.6 8.0 5.9 8.2 6.7 8.3 8.2 6.3 6.5 7.2 PREVAILING WIND PERCENT 16.8 9.7 13.5 18.0 21.3 30.0 25.2 19.4 24.0 16.8 12.7 5.2 14.4 CALMS PERCENT OF WIND 73.5 70.3 60.0 58.7 46.5 42.7 45.8 62.6 59.3 67.1 76.0 89.0 62.6 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 259 229 218 240 246 253 234 239 240 250 219 195 241 VECTOR WIND MAGNITUDE(KNOTS) 1.7 1.1 1.0 2.0 1.9 2.3 3.1 2.1 2.7 1.2 0.5 0.2 1.6 WIND STEADINESES (MEAN %) 73.9 61.1 34.5 66.7 45.2 69.7 77.5 84.0 81.8 48.0 27.8 28.6 59.3 WIND SPEED (MEAN KNOTS) 2.3 1.8 2.9 3.0 4.2 3.3 4.0 2.5 3.3 2.5 1.8 0.7 2.7 FASTEST WIND DIRECTION 270 180 90 270 230 270 230 180 270 270 270 230 270 FASTEST WIND SPEED (KNOTS) 20 14 16 16 16 12 12 12 16 16 16 8 20 DAY 31 12 13 18 19 15 1 1 5 3 27 6 DAYS WITH SKY CLEAR (0-2)/8 21 14 3 7 18 14 8 9 12 20 18 17 161 DAYS WITH P.CLOUDY (3-6)/8 4 2 9 7 9 14 10 5 10 6 9 6 91 DAYS WITH CLOUDY (7-8)/8 6 13 19 16 4 2 13 17 8 5 3 8 114 DAYS WITH VISIBILITY =< 2 KM 0 0 4 0 0 0 0 0 0 1 0 0 5 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 6.7 10.1 10.9 16.1 22.5 26.9 28.7 28.8 25.1 19.5 16.5 12.0 18.7 MINIMUN AIR TEMPERATURE (C) 1.5 2.4 4.3 8.2 14.4 19.1 21.6 21.2 17.7 12.7 8.8 5.4 11.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 2 23 21 3 0 0 0 49 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 9 9 5 0 0 0 0 0 0 0 0 0 23 TEMPERATURE RECORDS LOWEST(C) -2.0 -1.0 -3.0 3.0 8.0 17.0 19.0 18.0 13.0 5.0 4.0 1.0 -3.0 DAY 1 2 14 6 5 1 1 9 24 27 11 23 MAXIMUM AIR TEMPERATURE (C) 10.4 15.4 14.7 21.1 27.8 31.5 33.5 33.5 29.6 23.8 21.8 16.7 23.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 3 14 23 28 29 16 4 2 0 119 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 20.0 23.0 28.0 39.0 40.0 42.0 39.0 38.0 36.0 34.0 32.0 29.0 42.0 DAY 8 9 8 28 16 15 16 13 15 13 17 14 DIF. BETWEEN (MAX.-MIN.) (C) 8.9 13.0 10.4 12.9 13.4 12.4 11.9 12.3 11.9 11.1 13.0 11.3 11.9 MEAN DAILY TEMP. (MDT) (C) 5.9 8.9 9.5 14.6 21.1 25.3 27.5 27.3 23.6 18.3 15.3 11.0 17.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 9.0 44.5 129.0 203.0 196.5 82.5 15.5 2.0 0.0 682.0 HEATING DEG. DAYS(BASE 18 0C) 374.5 254.5 263.5 125.0 15.0 0.0 0.0 0.0 0.0 48.5 90.0 215.5 1386.5 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 36.0 54.4 78.4 52.8 60.6 5.0 24.0 34.0 30.0 94.6 27.6 53.0 550.4 DAYS WITH PRECIPITATION >=10 1 3 3 2 1 0 0 1 0 5 0 2 18 DAYS WITH PRECIPITATION >= 5 4 4 6 5 1 0 2 3 3 6 2 5 41 DAYS WITH PRECIPITATION >= 1 7 8 9 8 4 2 8 4 7 8 6 7 78 DAYS WITH PRECIPITATION 10 9 10 10 6 2 8 6 7 9 6 7 90 GREATEST DAILY PRECIPITATION 16.0 14.0 24.0 14.0 55.0 4.0 9.0 19.0 9.0 32.0 9.0 12.0 55.0 DAY 11 13 13 2 4 17 6 9 22 10 10 1 DAY WITH THUNDER STORM 0 0 0 0 0 0 1 0 0 1 0 0 2 DAYS WITH SNOW OR SLEET 0 1 1 0 0 0 0 0 0 0 0 0 2 DAYS WITH DUST 0 0 0 0 0 0 0 0 0 0 0 0 0 WIND DIRECTION (PREVAILING) 225 90 225 270 225 270 225 270 270 270 225 270 270 PREVAILING WIND SPEED(KNOTS) 8.0 7.2 8.4 9.6 10.1 9.5 10.2 9.0 9.0 9.3 6.9 8.9 9.1 PREVAILING WIND PERCENT 9.7 13.6 18.1 16.7 25.2 34.0 25.2 35.5 26.0 20.6 10.0 14.8 18.6 CALMS PERCENT OF WIND 72.9 70.0 56.1 46.7 36.8 31.3 38.7 37.4 44.7 63.9 80.0 61.9 53.3 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 226 176 229 241 242 252 246 253 247 257 224 241 245 VECTOR WIND MAGNITUDE(KNOTS) 0.9 0.4 1.3 1.6 3.5 4.8 4.0 4.2 3.4 2.1 0.8 2.0 2.4 WIND STEADINESES (MEAN %) 45.0 18.2 37.1 35.6 60.3 75.0 72.7 75.0 68.0 70.0 53.3 60.6 60.0 WIND SPEED (MEAN KNOTS) 2.0 2.2 3.5 4.5 5.8 6.4 5.5 5.6 5.0 3.0 1.5 3.3 4.0 FASTEST WIND DIRECTION 180 270 270 360 270 230 270 270 270 270 270 230 270 FASTEST WIND SPEED (KNOTS) 12 20 12 16 16 16 16 16 16 16 16 20 20 DAY 7 9 6 1 2 1 5 5 1 26 9 15 DAYS WITH SKY CLEAR (0-2)/8 10 14 14 11 12 12 17 16 12 12 19 14 163 DAYS WITH P.CLOUDY (3-6)/8 8 8 2 9 11 12 7 10 13 11 4 8 103 DAYS WITH CLOUDY (7-8)/8 13 6 15 10 8 6 7 5 5 8 7 9 99 DAYS WITH VISIBILITY =< 2 KM 1 0 0 0 0 0 0 0 0 1 0 0 2 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.2 11.5 13.0 18.0 21.4 27.4 29.6 30.8 25.0 18.9 16.1 12.4 19.8 MINIMUN AIR TEMPERATURE (C) 6.1 6.1 6.8 10.9 15.1 20.6 22.9 24.5 19.2 13.2 9.5 7.1 13.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 15 27 31 7 0 0 0 80 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 2 0 0 0 0 0 0 0 0 0 0 2 TEMPERATURE RECORDS LOWEST(C) 2.0 0.0 2.0 5.0 10.0 18.0 19.0 23.0 16.0 6.0 4.0 2.0 0.0 DAY 1 7 3 1 19 1 8 6 6 18 27 24 MAXIMUM AIR TEMPERATURE (C) 18.4 15.6 17.2 22.2 25.8 32.3 34.3 35.3 28.8 22.9 21.3 16.8 24.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 4 9 21 28 30 13 0 0 0 105 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 29.0 28.0 31.0 37.0 39.0 40.0 38.0 34.0 28.0 28.0 26.0 40.0 DAY 5 26 12 16 13 5 27 30 10 6 1 17 DIF. BETWEEN (MAX.-MIN.) (C) 12.3 9.5 10.4 11.3 10.7 11.7 11.4 10.8 9.6 9.7 11.8 9.7 10.7 MEAN DAILY TEMP. (MDT) (C) 12.2 10.8 12.0 16.6 20.4 26.4 28.6 29.9 24.0 18.1 15.4 12.0 18.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 4.0 34.5 163.5 235.5 275.0 90.5 2.5 0.0 0.0 805.5 HEATING DEG. DAYS(BASE 18 0C) 180.0 201.5 189.0 69.0 14.0 0.0 0.0 0.0 0.0 27.5 84.0 187.5 952.5 DEWPOINT (MEAN C) ***** ***** 7.2 11.5 14.1 17.3 19.2 20.9 17.1 12.8 8.6 6.1 ***** MIXING RATIO (G/KG) ****** ****** 6.50 8.70 10.22 12.72 14.44 16.07 12.51 9.46 7.16 6.02 ****** VAPOUR PRESSURE (HPA) ****** ****** 10.33 13.76 16.15 19.92 22.50 24.97 19.68 15.03 11.48 9.60 ****** SATURATION DEF. (HPA) ****** ****** 5.39 7.91 10.46 17.84 20.10 20.20 12.61 7.35 7.53 5.32 ****** RELATIVE HUMIDITY (MEAN %) *** *** 70 68 66 56 56 58 64 70 63 68 *** RELATIVE HUMIDITY (MAX. %) *** 81 85 83 84 74 74 74 81 86 79 81 *** RELATIVE HUMIDITY (MIN. %) *** 53 57 57 53 44 42 43 51 55 49 55 *** RELATIVE HUMIDITY (MEAN% 03UTC) *** 81 84 82 82 73 73 73 80 84 78 76 *** RELATIVE HUMIDITY (MEAN% 09UTC) *** 58 63 60 57 48 46 47 54 59 51 58 *** RELATIVE HUMIDITY (MEAN% 15UTC) *** 70 73 72 67 56 58 60 66 76 70 75 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 38.4 37.6 135.6 74.6 37.0 12.2 32.0 15.0 42.2 103.2 0.0 53.4 581.2 DAYS WITH PRECIPITATION >=10 1 1 7 3 1 0 2 0 2 4 0 2 23 DAYS WITH PRECIPITATION >= 5 4 3 7 4 4 2 3 1 2 6 0 4 40 DAYS WITH PRECIPITATION >= 1 4 9 9 8 9 3 4 3 4 7 0 5 65 DAYS WITH PRECIPITATION 6 10 10 9 9 5 4 3 10 8 0 5 79 GREATEST DAILY PRECIPITATION 15.0 10.0 26.0 33.0 10.0 5.0 12.0 9.0 22.0 31.0 0.0 25.0 33.0 DAY 12 4 30 25 5 15 19 31 12 2 ** 22 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 0 0 0 0 0 0 0 0 1 0 1 WIND DIRECTION (PREVAILING) 225 270 270 270 270 270 270 270 270 315 270 270 270 PREVAILING WIND SPEED(KNOTS) 7.4 7.5 8.9 7.7 8.0 7.2 7.8 7.6 6.3 5.2 5.3 6.9 7.5 PREVAILING WIND PERCENT 8.4 16.4 21.3 32.0 39.4 38.0 21.3 36.1 22.7 11.0 9.3 11.0 22.0 CALMS PERCENT OF WIND 76.8 57.9 58.1 45.3 46.5 26.0 36.8 31.0 54.0 71.6 78.0 65.8 54.0 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 241 254 266 278 270 281 292 286 271 291 284 260 277 VECTOR WIND MAGNITUDE(KNOTS) 0.8 1.0 1.8 2.6 3.3 4.0 2.6 3.5 1.9 1.0 0.8 0.6 2.0 WIND STEADINESES (MEAN %) 44.4 38.5 62.1 72.2 84.6 81.6 61.9 76.1 73.1 66.7 66.7 33.3 66.7 WIND SPEED (MEAN KNOTS) 1.8 2.6 2.9 3.6 3.9 4.9 4.2 4.6 2.6 1.5 1.2 1.8 3.0 FASTEST WIND DIRECTION 270 270 270 270 270 270 270 270 270 270 310 270 270 FASTEST WIND SPEED (KNOTS) 16 20 20 32 15 14 14 14 12 10 30 15 32 DAY 3 19 13 13 14 26 6 31 27 1 5 13 DAYS WITH SKY CLEAR (0-2)/8 17 11 11 11 10 17 23 24 12 14 20 11 181 DAYS WITH P.CLOUDY (3-6)/8 5 3 11 6 9 5 5 5 10 6 9 13 87 DAYS WITH CLOUDY (7-8)/8 9 14 9 13 12 8 3 2 8 11 1 7 97 DAYS WITH VISIBILITY =< 2 KM 1 2 0 0 0 0 0 0 0 0 0 0 3 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** 999.9 998.4 999.8 994.8 992.3 992.4 998.7 1004.1 1008.9 1001.5 ****** MAX. QFE PRESSURE IN HPA ****** ****** 1012.3 1011.9 1010.0 1001.1 1001.5 998.2 1006.3 1013.9 1018.3 1015.3 ****** DAY-HOUR **-** **-** 2-12 5- 6 18- 9 17- 3 8- 3 31-15 21- 6 17- 9 23- 6 30- 6 MIN. QFE PRESSURE IN HPA ****** ****** 983.1 984.8 989.7 984.7 984.7 983.5 990.2 994.6 993.2 985.5 ****** DAY-HOUR **-** **-** 20- 3 13-12 25-15 13-15 16-15 29- 3 11- 6 15-15 30-15 18- 9 MEAN QNH PRESSURE IN HPA ****** ****** 1001.1 999.7 1001.1 996.0 993.6 993.7 1000.0 1005.3 1010.2 1002.8 ****** MAX. QNH PRESSURE IN HPA ****** ****** 1013.6 1013.2 1011.3 1002.4 1002.8 999.5 1007.6 1015.2 1019.6 1016.6 ****** DAY-HOUR **-** **-** 2-12 5- 6 18- 9 17- 3 8- 3 31-15 21- 6 17- 9 23- 6 30- 6 MIN. QNH PRESSURE IN HPA ****** ****** 984.4 986.1 991.0 986.0 986.0 984.8 991.5 995.9 994.5 986.8 ****** DAY-HOUR **-** **-** 20- 3 13-12 25-15 13-15 16-15 29- 3 11- 6 15-15 30-15 18- 9 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** 1001.1 999.8 998.2 999.9 995.3 992.8 992.7 999.1 1003.8 1009.1 1001.2 ****** MAX. QFE PRESSURE IN HPA ****** 1009.4 1009.9 1011.1 1009.2 1001.1 1001.5 997.4 1006.2 1012.5 1016.6 1014.6 ****** DAY ** 23 2 5 18 17 8 8 21 18 23 30 MIN. QFE PRESSURE IN HPA ****** 995.3 983.1 987.3 990.5 988.2 986.0 983.5 990.6 996.5 994.8 987.3 ****** DAY ** 10 20 17 4 13 5 29 11 15 30 18 MEAN QNH PRESSURE IN HPA ****** 1002.4 1001.1 999.5 1001.2 996.6 994.1 994.0 1000.4 1005.1 1010.4 1002.5 ****** MAX. QNH PRESSURE IN HPA ****** 1010.7 1011.2 1012.4 1010.5 1002.4 1002.8 998.7 1007.5 1013.8 1017.9 1015.9 ****** DAY ** 23 2 5 18 17 8 8 21 18 23 30 MIN. QNH PRESSURE IN HPA ****** 996.6 984.4 988.6 991.8 989.5 987.3 984.8 991.9 997.8 996.1 988.6 ****** DAY ** 10 20 17 4 13 5 29 11 15 30 18 MEAN QFF PRESSURE IN HPA ****** 1002.7 1001.4 999.8 1001.4 996.8 994.3 994.2 1000.6 1005.4 1010.7 1002.8 ****** MAX. QFF PRESSURE IN HPA ****** 1011.0 1011.5 1012.7 1010.8 1002.6 1003.0 998.9 1007.7 1014.1 1018.2 1016.2 ****** DAY ** 23 2 5 18 17 8 8 21 18 23 30 MIN. QFF PRESSURE IN HPA ****** 996.9 984.7 988.8 992.0 989.7 987.5 985.0 992.1 998.0 996.4 988.9 ****** DAY ** 10 20 17 4 13 5 29 11 15 30 18 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** 1002.1 1000.4 999.1 1000.6 995.8 993.3 993.3 999.7 1004.8 1010.0 1002.3 ****** MAX. QFE PRESSURE IN HPA ****** 1010.7 1011.2 1011.9 1009.9 1001.1 1001.1 997.2 1006.3 1013.7 1018.3 1015.3 ****** DAY ** 23 2 5 18 17 8 8 21 17 23 30 MIN. QFE PRESSURE IN HPA ****** 994.4 984.7 988.4 993.3 986.4 986.5 985.1 990.2 996.4 995.9 985.6 ****** DAY ** 10 20 13 25 13 5 29 11 15 30 18 MEAN QNH PRESSURE IN HPA ****** 1003.4 1001.7 1000.4 1001.8 997.1 994.5 994.6 1000.9 1006.1 1011.2 1003.6 ****** MAX. QNH PRESSURE IN HPA ****** 1012.0 1012.5 1013.2 1011.2 1002.4 1002.4 998.5 1007.6 1015.0 1019.6 1016.6 ****** DAY ** 23 2 5 18 17 8 8 21 17 23 30 MIN. QNH PRESSURE IN HPA ****** 995.7 986.0 989.7 994.6 987.7 987.8 986.4 991.5 997.7 997.2 986.9 ****** DAY ** 10 20 13 25 13 5 29 11 15 30 18 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** 1001.5 1000.3 998.8 1000.2 995.1 992.8 992.7 998.9 1004.3 1009.2 1001.6 ****** MAX. QFE PRESSURE IN HPA ****** 1010.5 1011.9 1010.9 1010.0 999.8 1000.6 996.9 1005.8 1013.9 1017.1 1014.5 ****** DAY ** 23 2 5 18 3 8 31 21 17 23 30 MIN. QFE PRESSURE IN HPA ****** 993.6 985.6 987.3 993.4 985.0 986.2 986.4 991.3 995.4 994.4 985.5 ****** DAY ** 28 28 13 25 13 5 29 11 15 30 18 MEAN QNH PRESSURE IN HPA ****** 1002.8 1001.6 1000.0 1001.5 996.3 994.0 994.0 1000.2 1005.6 1010.5 1002.9 ****** MAX. QNH PRESSURE IN HPA ****** 1011.8 1013.2 1012.2 1011.3 1001.1 1001.9 998.2 1007.1 1015.2 1018.4 1015.8 ****** DAY ** 23 2 5 18 3 8 31 21 17 23 30 MIN. QNH PRESSURE IN HPA ****** 994.9 986.9 988.6 994.7 986.3 987.5 987.7 992.6 996.7 995.7 986.8 ****** DAY ** 28 28 13 25 13 5 29 11 15 30 18 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** 1000.4 999.3 998.0 999.2 993.9 991.5 991.7 997.9 1003.6 1008.1 1000.9 ****** MAX. QFE PRESSURE IN HPA ****** 1008.7 1012.3 1008.9 1008.7 998.6 999.9 997.1 1004.8 1012.9 1015.9 1013.3 ****** DAY ** 22 2 5 18 3 7 31 21 9 23 30 MIN. QFE PRESSURE IN HPA ****** 992.0 984.8 984.8 991.2 984.8 985.2 985.9 990.5 994.7 993.7 988.9 ****** DAY ** 28 28 13 25 13 5 29 8 15 30 18 MEAN QNH PRESSURE IN HPA ****** 1001.7 1000.5 999.2 1000.5 995.2 992.8 992.9 999.1 1004.9 1009.4 1002.2 ****** MAX. QNH PRESSURE IN HPA ****** 1010.0 1013.6 1010.2 1010.0 999.9 1001.2 998.4 1006.1 1014.2 1017.2 1014.6 ****** DAY ** 22 2 5 18 3 7 31 21 9 23 30 MIN. QNH PRESSURE IN HPA ****** 993.3 986.1 986.1 992.5 986.1 986.5 987.2 991.8 996.0 995.0 990.2 ****** DAY ** 28 28 13 25 13 5 29 8 15 30 18 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** 1000.9 999.7 998.1 999.2 993.8 991.3 991.7 998.2 1003.8 1008.4 1001.5 ****** MAX. QFE PRESSURE IN HPA ****** 1009.2 1012.3 1008.6 1008.4 998.9 1000.0 998.2 1005.1 1013.4 1016.4 1013.7 ****** DAY ** 22 2 4 17 3 7 31 21 17 23 29 MIN. QFE PRESSURE IN HPA ****** 993.9 986.2 987.4 989.7 984.7 984.7 986.9 990.5 994.6 993.2 991.5 ****** DAY ** 28 28 16 25 13 16 30 8 15 30 17 MEAN QNH PRESSURE IN HPA ****** 1002.1 1001.0 999.4 1000.5 995.1 992.5 992.9 999.4 1005.1 1009.7 1002.8 ****** MAX. QNH PRESSURE IN HPA ****** 1010.5 1013.6 1009.9 1009.7 1000.2 1001.3 999.5 1006.4 1014.7 1017.7 1015.0 ****** DAY ** 22 2 4 17 3 7 31 21 17 23 29 MIN. QNH PRESSURE IN HPA ****** 995.2 987.5 988.7 991.0 986.0 986.0 988.2 991.8 995.9 994.5 992.8 ****** DAY ** 28 28 16 25 13 16 30 8 15 30 17 MEAN QFF PRESSURE IN HPA ****** 1002.6 1001.3 999.7 1000.8 995.3 992.8 993.1 999.7 1005.4 1010.0 1003.1 ****** MAX. QFF PRESSURE IN HPA ****** 1010.8 1013.9 1010.2 1010.0 1000.4 1001.5 999.7 1006.6 1015.0 1018.0 1015.3 ****** DAY ** 22 2 4 17 3 7 31 21 17 23 29 MIN. QFF PRESSURE IN HPA ****** 995.5 987.7 988.9 991.2 986.2 986.2 988.4 992.0 996.1 994.8 993.1 ****** DAY ** 28 28 16 25 13 16 30 8 15 30 17 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.3 7.3 11.8 15.8 23.7 25.0 26.8 28.7 24.3 19.8 15.7 11.1 18.4 MINIMUN AIR TEMPERATURE (C) 4.2 2.4 6.0 9.4 16.2 18.5 21.9 23.2 19.2 13.1 10.9 5.8 12.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 1 10 28 31 11 0 0 0 81 DAYS WITH MINIMUM TEMP. <=-4 0 1 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH FREEZING MIN.<= 0 4 9 2 0 0 0 0 0 0 0 0 2 17 TEMPERATURE RECORDS LOWEST(C) -1.0 -4.0 -1.0 2.0 11.0 10.0 20.0 21.0 12.0 8.0 4.0 0.0 -4.0 DAY 27 4 1 2 1 6 20 3 26 24 29 24 MAXIMUM AIR TEMPERATURE (C) 15.4 11.4 16.0 20.2 28.5 29.7 30.7 32.8 27.9 23.9 19.4 15.4 22.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 1 14 13 22 30 13 1 0 0 96 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 28.0 30.0 34.0 37.0 39.0 34.0 35.0 32.0 32.0 24.0 25.0 39.0 DAY 15 24 5 21 27 3 4 16 16 11 1 14 DIF. BETWEEN (MAX.-MIN.) (C) 11.2 9.0 10.0 10.8 12.3 11.2 8.8 9.6 8.7 10.8 8.5 9.6 10.0 MEAN DAILY TEMP. (MDT) (C) 9.8 6.9 11.0 14.8 22.4 24.1 26.3 28.0 23.6 18.5 15.2 10.6 17.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 8.0 62.5 102.5 165.0 216.5 88.0 4.0 0.0 0.0 646.5 HEATING DEG. DAYS(BASE 18 0C) 257.0 312.0 222.5 118.5 3.0 3.0 0.0 0.0 0.0 19.0 86.5 230.0 1251.5 DEWPOINT (MEAN C) 3.0 0.8 4.2 8.3 12.2 14.4 17.9 19.9 16.5 12.9 9.8 4.1 10.3 MIXING RATIO (G/KG) 4.87 4.18 5.28 7.11 9.10 10.64 13.18 14.92 12.11 9.54 7.85 5.35 8.68 VAPOUR PRESSURE (HPA) 7.78 6.69 8.40 11.25 14.38 16.73 20.61 23.26 19.03 15.14 12.46 8.51 13.69 SATURATION DEF. (HPA) 5.47 4.21 6.34 7.87 16.16 16.22 15.15 16.67 11.99 8.51 5.93 5.17 9.97 RELATIVE HUMIDITY (MEAN %) 64 67 64 65 52 55 60 60 64 67 70 65 63 RELATIVE HUMIDITY (MAX. %) 79 81 79 83 72 74 75 77 79 86 83 77 79 RELATIVE HUMIDITY (MIN. %) 49 54 52 49 38 42 47 48 50 52 58 53 49 RELATIVE HUMIDITY (MEAN% 03UTC) 74 79 76 80 71 73 75 77 78 85 80 67 76 RELATIVE HUMIDITY (MEAN% 09UTC) 53 59 56 58 43 46 50 50 54 57 60 57 54 RELATIVE HUMIDITY (MEAN% 15UTC) 71 72 68 65 53 55 60 61 66 72 76 73 66 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 34.6 55.4 74.0 16.8 15.6 101.2 24.0 3.0 59.7 231.6 73.2 36.8 725.9 DAYS WITH PRECIPITATION >=10 2 3 4 0 0 2 1 0 1 4 4 2 23 DAYS WITH PRECIPITATION >= 5 2 4 5 0 2 2 3 0 2 5 5 2 32 DAYS WITH PRECIPITATION >= 1 4 9 9 7 3 3 4 2 6 8 8 3 66 DAYS WITH PRECIPITATION 4 12 9 9 4 5 5 2 9 9 9 4 81 GREATEST DAILY PRECIPITATION 16.6 15.0 21.0 4.0 9.0 88.0 10.4 2.0 44.0 105.0 25.0 17.0 105.0 DAY 31 13 24 1 15 5 29 27 24 22 28 19 DAY WITH THUNDER STORM 0 0 0 0 1 0 0 0 0 1 0 0 2 DAYS WITH SNOW OR SLEET 1 3 0 0 0 0 0 0 0 0 0 1 5 DAYS WITH DUST 1 0 0 0 0 0 0 0 0 0 0 0 1 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 90 270 PREVAILING WIND SPEED(KNOTS) 7.5 9.4 7.5 5.5 6.7 7.0 7.0 5.8 6.4 6.5 4.7 4.1 6.7 PREVAILING WIND PERCENT 8.4 8.6 28.4 20.7 32.9 32.0 48.4 35.7 25.3 14.8 8.8 6.5 22.5 CALMS PERCENT OF WIND 77.4 70.7 50.3 58.7 37.4 40.7 38.1 37.0 54.0 63.2 75.5 75.5 56.4 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 154 150 155 147 155 1821 VECTOR WIND DIRECTION (MEAN) 260 283 281 281 285 289 275 281 279 291 259 26 281 VECTOR WIND MAGNITUDE(KNOTS) 0.7 0.4 1.7 1.2 2.4 2.8 3.9 2.8 2.1 0.9 0.5 0.1 1.6 WIND STEADINESES (MEAN %) 53.8 20.0 53.1 54.5 64.9 70.0 92.9 77.8 77.8 45.0 41.7 8.3 61.5 WIND SPEED (MEAN KNOTS) 1.3 2.0 3.2 2.2 3.7 4.0 4.2 3.6 2.7 2.0 1.2 1.2 2.6 FASTEST WIND DIRECTION 270 270 270 310 270 270 270 270 270 270 180 270 270 FASTEST WIND SPEED (KNOTS) 18 28 18 15 15 16 16 10 10 13 10 16 28 DAY 19 24 17 5 25 4 25 22 7 12 27 23 DAYS WITH SKY CLEAR (0-2)/8 20 9 13 5 17 15 7 10 8 17 11 17 149 DAYS WITH P.CLOUDY (3-6)/8 9 9 5 11 7 8 11 15 12 10 13 7 117 DAYS WITH CLOUDY (7-8)/8 2 10 13 14 7 7 13 6 10 4 6 7 99 DAYS WITH VISIBILITY =< 2 KM 1 1 0 0 0 0 0 0 0 2 0 0 4 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1002.5 1004.1 999.2 998.0 998.1 996.0 993.5 993.2 997.1 1003.6 1000.6 998.2 998.7 MAX. QFE PRESSURE IN HPA 1013.4 1019.5 1013.5 1009.9 1007.1 1004.3 1001.4 998.6 1007.7 1014.3 1011.6 1010.6 1019.5 DAY-HOUR 26- 6 3- 6 1- 6 10- 6 3- 6 5-15 22- 6 15- 6 24-15 15- 6 30- 6 12- 6 MIN. QFE PRESSURE IN HPA 990.7 983.7 987.5 981.3 986.7 985.6 988.6 987.7 988.3 992.6 989.8 980.6 980.6 DAY-HOUR 15-12 24- 9 17-12 25- 3 28-12 22-15 4-15 20-12 17-12 11-12 25- 3 23- 3 MEAN QNH PRESSURE IN HPA 1003.8 1005.4 1000.5 999.2 999.4 997.3 994.8 994.5 998.4 1004.9 1001.8 999.5 1000.0 MAX. QNH PRESSURE IN HPA 1014.7 1020.8 1014.8 1011.2 1008.4 1005.6 1002.7 999.9 1009.0 1015.6 1012.9 1011.9 1020.8 DAY-HOUR 26- 6 3- 6 1- 6 10- 6 3- 6 5-15 22- 6 15- 6 24-15 15- 6 30- 6 12- 6 MIN. QNH PRESSURE IN HPA 992.0 985.0 988.8 982.6 988.0 986.9 989.9 989.0 989.6 993.9 991.1 981.9 981.9 DAY-HOUR 15-12 24- 9 17-12 25- 3 28-12 22-15 4-15 20-12 17-12 11-12 25- 3 23- 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1002.9 1003.9 999.5 998.0 998.4 996.6 994.2 993.7 997.4 1003.4 1000.5 998.2 998.9 MAX. QFE PRESSURE IN HPA 1012.2 1017.7 1012.8 1009.1 1005.9 1003.7 1000.8 997.7 1003.6 1013.1 1009.1 1010.3 1017.7 DAY 1 3 1 10 3 6 23 15 26 15 30 12 MIN. QFE PRESSURE IN HPA 993.4 985.8 988.9 981.3 990.1 989.0 990.3 990.2 989.2 992.7 989.8 980.6 980.6 DAY 15 24 17 25 27 23 10 20 18 11 25 23 MEAN QNH PRESSURE IN HPA 1004.2 1005.2 1000.8 999.2 999.7 997.9 995.4 995.0 998.7 1004.7 1001.7 999.5 1000.2 MAX. QNH PRESSURE IN HPA 1013.5 1019.0 1014.1 1010.4 1007.2 1005.0 1002.1 999.0 1004.9 1014.4 1010.4 1011.6 1019.0 DAY 1 3 1 10 3 6 23 15 26 15 30 12 MIN. QNH PRESSURE IN HPA 994.7 987.1 990.2 982.6 991.4 990.3 991.6 991.5 990.5 994.0 991.1 981.9 981.9 DAY 15 24 17 25 27 23 10 20 18 11 25 23 MEAN QFF PRESSURE IN HPA 1004.6 1005.5 1001.1 999.5 1000.0 998.1 995.7 995.2 998.9 1004.9 1002.0 999.8 1000.5 MAX. QFF PRESSURE IN HPA 1013.8 1019.4 1014.5 1010.7 1007.4 1005.3 1002.3 999.2 1005.2 1014.7 1010.7 1011.9 1019.4 DAY 1 3 1 10 3 6 23 15 26 15 30 12 MIN. QFF PRESSURE IN HPA 995.0 987.4 990.5 982.8 991.6 990.5 991.8 991.7 990.7 994.2 991.4 982.2 982.2 DAY 15 24 17 25 27 23 10 20 18 11 25 23 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1003.8 1005.0 1000.1 999.0 998.8 996.8 994.4 994.3 998.2 1004.4 1001.5 999.3 999.6 MAX. QFE PRESSURE IN HPA 1013.4 1019.5 1013.5 1009.9 1007.1 1003.8 1001.4 998.6 1005.6 1014.3 1011.6 1010.6 1019.5 DAY 26 3 1 10 3 6 22 15 24 15 30 12 MIN. QFE PRESSURE IN HPA 994.1 985.2 989.4 985.4 989.2 989.6 989.8 990.5 990.0 993.5 991.0 984.9 984.9 DAY 15 24 17 25 31 23 10 20 18 11 23 23 MEAN QNH PRESSURE IN HPA 1005.1 1006.3 1001.4 1000.3 1000.1 998.1 995.6 995.5 999.4 1005.7 1002.8 1000.6 1000.9 MAX. QNH PRESSURE IN HPA 1014.7 1020.8 1014.8 1011.2 1008.4 1005.1 1002.7 999.9 1006.9 1015.6 1012.9 1011.9 1020.8 DAY 26 3 1 10 3 6 22 15 24 15 30 12 MIN. QNH PRESSURE IN HPA 995.4 986.5 990.7 986.7 990.5 990.9 991.1 991.8 991.3 994.8 992.3 986.2 986.2 DAY 15 24 17 25 31 23 10 20 18 11 23 23 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1002.6 1004.2 999.6 998.4 998.5 996.2 993.8 993.5 997.4 1003.8 1000.6 998.3 998.9 MAX. QFE PRESSURE IN HPA 1013.2 1018.5 1011.1 1009.8 1006.4 1002.5 1001.4 997.8 1006.7 1013.7 1010.6 1009.4 1018.5 DAY 26 3 1 9 3 26 22 15 24 15 30 12 MIN. QFE PRESSURE IN HPA 992.4 983.7 989.5 982.4 988.9 990.3 989.3 989.3 989.9 993.0 991.3 984.6 982.4 DAY 15 24 17 25 28 3 10 20 18 11 23 23 MEAN QNH PRESSURE IN HPA 1003.9 1005.5 1000.9 999.7 999.8 997.5 995.0 994.8 998.6 1005.1 1001.8 999.6 1000.2 MAX. QNH PRESSURE IN HPA 1014.5 1019.8 1012.4 1011.1 1007.7 1003.8 1002.7 999.1 1008.0 1015.0 1011.9 1010.7 1019.8 DAY 26 3 1 9 3 26 22 15 24 15 30 12 MIN. QNH PRESSURE IN HPA 993.7 985.0 990.8 983.7 990.2 991.6 990.6 990.6 991.2 994.3 992.6 985.9 983.7 DAY 15 24 17 25 28 3 10 20 18 11 23 23 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1001.5 1003.3 998.4 997.3 997.4 995.2 992.7 992.3 996.2 1002.9 999.9 997.4 997.9 MAX. QFE PRESSURE IN HPA 1012.0 1016.9 1008.5 1009.1 1004.3 1001.8 1000.4 996.2 1006.2 1011.7 1009.8 1008.0 1016.9 DAY 26 3 30 9 15 5 22 15 24 15 30 12 MIN. QFE PRESSURE IN HPA 990.7 990.1 987.5 981.4 986.7 987.3 988.6 987.7 988.3 992.6 991.2 985.6 981.4 DAY 15 24 17 25 28 22 10 20 17 11 22 23 MEAN QNH PRESSURE IN HPA 1002.8 1004.5 999.6 998.6 998.6 996.5 994.0 993.6 997.5 1004.2 1001.1 998.7 999.1 MAX. QNH PRESSURE IN HPA 1013.3 1018.2 1009.8 1010.4 1005.6 1003.1 1001.7 997.5 1007.5 1013.0 1011.1 1009.3 1018.2 DAY 26 3 30 9 15 5 22 15 24 15 30 12 MIN. QNH PRESSURE IN HPA 992.0 991.4 988.8 982.7 988.0 988.6 989.9 989.0 989.6 993.9 992.5 986.9 982.7 DAY 15 24 17 25 28 22 10 20 17 11 22 23 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1001.9 1004.0 998.5 997.3 997.5 995.3 992.7 992.3 996.6 1003.4 1000.4 997.8 998.1 MAX. QFE PRESSURE IN HPA 1012.1 1017.1 1008.9 1009.7 1004.9 1004.3 1000.3 997.0 1007.7 1011.9 1010.0 1008.0 1017.1 DAY 26 3 30 9 9 5 22 15 24 14 30 11 MIN. QFE PRESSURE IN HPA 991.3 992.0 987.6 983.7 987.3 985.6 988.6 987.9 988.3 993.5 991.4 984.8 983.7 DAY 15 23 5 21 27 22 4 20 17 11 22 22 MEAN QNH PRESSURE IN HPA 1003.2 1005.3 999.7 998.6 998.8 996.6 994.0 993.5 997.9 1004.7 1001.7 999.1 999.4 MAX. QNH PRESSURE IN HPA 1013.4 1018.4 1010.2 1011.0 1006.2 1005.6 1001.6 998.3 1009.0 1013.2 1011.3 1009.3 1018.4 DAY 26 3 30 9 9 5 22 15 24 14 30 11 MIN. QNH PRESSURE IN HPA 992.6 993.3 988.9 985.0 988.6 986.9 989.9 989.2 989.6 994.8 992.7 986.1 985.0 DAY 15 23 5 21 27 22 4 20 17 11 22 22 MEAN QFF PRESSURE IN HPA 1003.6 1005.7 1000.1 998.9 999.1 996.8 994.2 993.8 998.1 1004.9 1002.0 999.4 999.7 MAX. QFF PRESSURE IN HPA 1013.7 1018.8 1010.5 1011.3 1006.4 1005.9 1001.8 998.5 1009.3 1013.5 1011.6 1009.6 1018.8 DAY 26 3 30 9 9 5 22 15 24 14 30 11 MIN. QFF PRESSURE IN HPA 992.9 993.6 989.1 985.2 988.8 987.1 990.1 989.4 989.8 995.0 993.0 986.4 985.2 DAY 15 23 5 21 27 22 4 20 17 11 22 22 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.9 9.0 11.4 14.6 23.8 24.3 27.9 27.7 27.1 21.9 15.2 10.4 18.7 MINIMUN AIR TEMPERATURE (C) 5.4 3.8 6.1 9.5 17.4 18.3 21.4 21.9 20.6 15.5 10.1 6.2 13.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 2 6 21 25 12 0 0 0 66 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 2 5 0 0 0 0 0 0 0 0 0 0 7 TEMPERATURE RECORDS LOWEST(C) 0.0 -2.0 3.0 7.0 14.0 14.0 15.0 19.0 17.0 7.0 6.0 2.0 -2.0 DAY 23 5 5 1 1 8 13 31 18 28 22 14 MAXIMUM AIR TEMPERATURE (C) 15.5 12.7 15.0 17.9 27.9 28.5 32.2 31.5 31.7 26.4 19.1 13.6 22.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 10 17 24 23 20 9 0 0 103 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 25.0 28.0 29.0 38.0 34.0 41.0 37.0 40.0 34.0 24.0 22.0 41.0 DAY 15 27 13 15 20 17 20 15 27 13 14 11 DIF. BETWEEN (MAX.-MIN.) (C) 10.1 8.9 8.9 8.4 10.5 10.2 10.8 9.6 11.1 10.9 9.0 7.4 9.7 MEAN DAILY TEMP. (MDT) (C) 10.4 8.2 10.6 13.7 22.6 23.4 26.8 26.7 26.1 21.0 14.6 9.9 17.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 1.0 1.0 59.5 87.5 181.0 176.5 154.0 42.0 0.0 0.0 702.5 HEATING DEG. DAYS(BASE 18 0C) 235.0 283.0 235.5 133.0 0.0 2.5 0.0 0.0 0.0 24.0 102.0 250.5 1265.5 DEWPOINT (MEAN C) 1.9 2.5 5.5 8.8 13.2 15.8 18.7 19.7 17.3 13.8 10.6 6.1 11.2 MIXING RATIO (G/KG) 4.55 4.73 5.78 7.18 9.86 11.62 14.07 14.95 12.91 10.21 8.14 6.01 9.17 VAPOUR PRESSURE (HPA) 7.22 7.54 9.19 11.41 15.55 18.22 21.93 23.25 20.21 16.14 12.94 9.56 14.43 SATURATION DEF. (HPA) 6.55 4.60 5.00 5.79 14.91 13.18 16.70 14.59 16.63 11.22 4.69 3.30 9.76 RELATIVE HUMIDITY (MEAN %) 58 67 70 71 55 62 60 64 58 62 75 76 65 RELATIVE HUMIDITY (MAX. %) 70 79 83 85 71 78 76 77 74 80 87 86 79 RELATIVE HUMIDITY (MIN. %) 45 55 58 60 43 49 47 52 45 48 65 66 53 RELATIVE HUMIDITY (MEAN% 03UTC) 61 75 79 82 69 77 74 76 71 77 85 81 76 RELATIVE HUMIDITY (MEAN% 09UTC) 50 62 64 64 45 52 51 56 49 51 67 70 57 RELATIVE HUMIDITY (MEAN% 15UTC) 65 72 74 74 57 64 63 66 65 68 82 82 69 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 64.0 70.4 106.1 72.3 48.4 42.5 28.4 46.6 15.1 67.6 94.8 107.0 763.2 DAYS WITH PRECIPITATION >=10 3 2 4 2 3 2 1 1 1 1 3 5 28 DAYS WITH PRECIPITATION >= 5 4 3 6 6 4 2 1 1 1 3 4 5 40 DAYS WITH PRECIPITATION >= 1 6 9 11 11 6 6 2 5 2 5 9 11 83 DAYS WITH PRECIPITATION 6 9 13 12 8 9 4 5 2 6 11 11 96 GREATEST DAILY PRECIPITATION 27.0 27.0 48.0 16.0 15.0 23.0 25.4 37.0 12.0 48.0 29.0 40.0 48.0 DAY 17 23 23 25 23 8 12 4 13 27 11 16 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 1 2 0 0 0 0 0 0 0 0 0 0 3 DAYS WITH DUST 0 0 0 0 0 0 0 0 0 0 0 0 0 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 6.9 5.8 7.7 7.3 7.2 7.5 6.8 6.8 7.0 6.8 6.7 7.7 7.0 PREVAILING WIND PERCENT 12.3 16.6 18.7 12.0 19.4 28.0 25.2 32.9 20.0 15.5 6.0 7.7 17.9 CALMS PERCENT OF WIND 63.9 60.0 56.1 70.7 73.5 40.7 56.8 51.0 62.7 63.2 84.7 76.1 63.3 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 258 264 276 259 267 257 264 265 264 272 247 273 264 VECTOR WIND MAGNITUDE(KNOTS) 0.4 1.4 1.3 1.5 1.5 2.8 2.2 2.6 1.9 1.5 0.3 0.6 1.5 WIND STEADINESES (MEAN %) 20.0 58.3 46.4 75.0 88.2 71.8 84.6 83.9 82.6 65.2 37.5 42.9 65.2 WIND SPEED (MEAN KNOTS) 2.0 2.4 2.8 2.0 1.7 3.9 2.6 3.1 2.3 2.3 0.8 1.4 2.3 FASTEST WIND DIRECTION 270 240 270 270 270 270 270 270 270 270 270 270 240 FASTEST WIND SPEED (KNOTS) 16 25 15 15 15 12 11 12 15 10 15 15 25 DAY 10 4 23 15 29 7 23 18 17 4 17 16 DAYS WITH SKY CLEAR (0-2)/8 11 9 6 8 12 11 18 15 16 20 10 6 142 DAYS WITH P.CLOUDY (3-6)/8 12 8 9 7 7 11 6 5 7 4 11 11 98 DAYS WITH CLOUDY (7-8)/8 8 12 16 15 12 8 7 11 7 7 9 14 126 DAYS WITH VISIBILITY =< 2 KM 2 1 2 0 0 0 0 0 0 0 2 2 9 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 995.4 1001.4 999.9 1000.8 997.5 994.4 992.4 991.7 994.9 1000.3 1002.4 1000.5 997.6 MAX. QFE PRESSURE IN HPA 1009.3 1018.1 1015.8 1007.7 1003.9 1004.5 1000.4 998.3 1002.7 1011.2 1013.2 1011.0 1018.1 DAY-HOUR 19- 6 5- 6 26- 6 29- 6 22- 9 8- 6 12-15 27- 6 18- 6 27-15 21-15 20- 6 MIN. QFE PRESSURE IN HPA 976.6 988.2 980.0 989.4 988.2 986.2 985.0 982.5 988.0 986.4 995.8 986.9 976.6 DAY-HOUR 10-12 21- 3 13- 3 23-12 20-12 5-12 31-15 16-15 9-12 25- 9 29- 3 27- 3 MEAN QNH PRESSURE IN HPA 996.7 1002.7 1001.2 1002.1 998.8 995.6 993.7 993.0 996.1 1001.6 1003.7 1001.8 998.9 MAX. QNH PRESSURE IN HPA 1010.6 1019.4 1017.1 1009.0 1005.2 1005.8 1001.7 999.6 1004.0 1012.5 1014.5 1012.3 1019.4 DAY-HOUR 19- 6 5- 6 26- 6 29- 6 22- 9 8- 6 12-15 27- 6 18- 6 27-15 21-15 20- 6 MIN. QNH PRESSURE IN HPA 977.8 989.5 981.3 990.7 989.5 987.5 986.3 983.8 989.3 987.7 997.1 988.2 977.8 DAY-HOUR 10-12 21- 3 13- 3 23-12 20-12 5-12 31-15 16-15 9-12 25- 9 29- 3 27- 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 995.4 1001.4 999.7 1000.9 997.5 994.7 992.8 992.1 994.9 1000.4 1002.4 1000.4 997.7 MAX. QFE PRESSURE IN HPA 1007.9 1017.0 1014.2 1006.9 1003.6 1004.2 999.8 997.6 1001.5 1009.4 1011.7 1010.5 1017.0 DAY 19 6 26 29 23 8 13 27 18 16 22 23 MIN. QFE PRESSURE IN HPA 982.2 988.2 980.0 989.8 990.6 988.0 986.4 983.7 988.6 988.8 995.8 986.9 980.0 DAY 7 21 13 24 20 18 31 17 9 25 29 27 MEAN QNH PRESSURE IN HPA 996.7 1002.6 1001.0 1002.1 998.8 996.0 994.1 993.4 996.2 1001.7 1003.7 1001.7 999.0 MAX. QNH PRESSURE IN HPA 1009.2 1018.3 1015.5 1008.2 1004.9 1005.5 1001.1 998.9 1002.8 1010.7 1013.0 1011.8 1018.3 DAY 19 6 26 29 23 8 13 27 18 16 22 23 MIN. QNH PRESSURE IN HPA 983.5 989.5 981.3 991.1 991.9 989.3 987.7 985.0 989.9 990.1 997.1 988.2 981.3 DAY 7 21 13 24 20 18 31 17 9 25 29 27 MEAN QFF PRESSURE IN HPA 997.0 1003.0 1001.3 1002.4 999.0 996.2 994.3 993.6 996.4 1001.9 1004.0 1002.0 999.3 MAX. QFF PRESSURE IN HPA 1009.5 1018.7 1015.8 1008.5 1005.1 1005.8 1001.4 999.1 1003.0 1011.0 1013.3 1012.1 1018.7 DAY 19 6 26 29 23 8 13 27 18 16 22 23 MIN. QFF PRESSURE IN HPA 983.7 989.7 981.5 991.4 992.1 989.5 987.9 985.2 990.1 990.3 997.4 988.5 981.5 DAY 7 21 13 24 20 18 31 17 9 25 29 27 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 996.5 1002.2 1000.8 1001.8 998.2 995.1 993.2 992.7 995.7 1001.2 1003.2 1001.4 998.5 MAX. QFE PRESSURE IN HPA 1009.3 1018.1 1015.8 1007.7 1003.4 1004.5 999.7 998.3 1002.7 1010.3 1012.6 1011.0 1018.1 DAY 19 5 26 29 23 8 13 27 18 30 21 20 MIN. QFE PRESSURE IN HPA 984.2 990.2 983.9 990.6 990.8 988.7 987.2 984.6 989.6 988.2 996.4 986.9 983.9 DAY 10 21 13 24 20 18 31 16 9 25 27 27 MEAN QNH PRESSURE IN HPA 997.7 1003.5 1002.1 1003.0 999.5 996.4 994.4 994.0 997.0 1002.5 1004.5 1002.7 999.8 MAX. QNH PRESSURE IN HPA 1010.6 1019.4 1017.1 1009.0 1004.7 1005.8 1001.0 999.6 1004.0 1011.6 1013.9 1012.3 1019.4 DAY 19 5 26 29 23 8 13 27 18 30 21 20 MIN. QNH PRESSURE IN HPA 985.5 991.5 985.2 991.9 992.1 990.0 988.5 985.9 990.9 989.5 997.7 988.2 985.2 DAY 10 21 13 24 20 18 31 16 9 25 27 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 995.6 1001.7 1000.2 1001.0 997.9 994.6 992.7 992.1 995.1 1000.4 1002.4 1000.6 997.9 MAX. QFE PRESSURE IN HPA 1007.9 1017.9 1015.3 1007.5 1003.9 1004.5 998.2 997.4 1002.3 1010.4 1012.4 1010.3 1017.9 DAY 19 5 26 6 22 8 13 24 17 27 21 31 MIN. QFE PRESSURE IN HPA 979.8 990.3 983.7 990.6 990.1 986.9 986.8 984.6 989.6 986.4 996.0 988.6 979.8 DAY 10 21 14 23 20 5 31 16 9 25 27 27 MEAN QNH PRESSURE IN HPA 996.9 1003.0 1001.4 1002.3 999.2 995.9 994.0 993.4 996.4 1001.7 1003.7 1001.9 999.1 MAX. QNH PRESSURE IN HPA 1009.2 1019.2 1016.6 1008.8 1005.2 1005.8 999.5 998.7 1003.6 1011.7 1013.7 1011.6 1019.2 DAY 19 5 26 6 22 8 13 24 17 27 21 31 MIN. QNH PRESSURE IN HPA 981.1 991.6 985.0 991.9 991.4 988.2 988.1 985.9 990.9 987.7 997.3 989.9 981.1 DAY 10 21 14 23 20 5 31 16 9 25 27 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 994.8 1000.6 999.2 1000.2 997.0 993.7 991.7 991.0 994.2 999.5 1001.7 999.9 997.0 MAX. QFE PRESSURE IN HPA 1007.5 1016.6 1013.7 1006.8 1003.2 1003.1 997.8 996.4 1001.2 1010.8 1012.0 1009.6 1016.6 DAY 19 5 26 21 22 8 12 24 18 27 21 31 MIN. QFE PRESSURE IN HPA 976.6 989.8 985.6 989.4 988.2 986.2 985.7 984.4 988.0 988.4 996.3 988.8 976.6 DAY 10 19 13 23 20 5 31 6 9 25 14 27 MEAN QNH PRESSURE IN HPA 996.1 1001.9 1000.5 1001.4 998.3 995.0 992.9 992.2 995.4 1000.8 1003.0 1001.2 998.2 MAX. QNH PRESSURE IN HPA 1008.8 1017.9 1015.0 1008.1 1004.5 1004.4 999.1 997.7 1002.5 1012.1 1013.3 1010.9 1017.9 DAY 19 5 26 21 22 8 12 24 18 27 21 31 MIN. QNH PRESSURE IN HPA 977.8 991.1 986.9 990.7 989.5 987.5 987.0 985.7 989.3 989.7 997.6 990.1 977.8 DAY 10 19 13 23 20 5 31 6 9 25 14 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 995.0 1001.1 999.5 1000.3 997.1 993.8 991.7 990.8 994.5 1000.2 1002.3 1000.2 997.2 MAX. QFE PRESSURE IN HPA 1007.8 1016.7 1015.1 1006.9 1002.7 1004.1 1000.4 996.6 1001.7 1011.2 1013.2 1009.6 1016.7 DAY 19 5 26 21 22 1 12 24 17 27 21 31 MIN. QFE PRESSURE IN HPA 977.9 989.8 983.6 990.6 988.2 986.2 985.0 982.5 989.4 991.2 996.3 988.2 977.9 DAY 10 19 13 24 20 18 31 16 9 25 14 10 MEAN QNH PRESSURE IN HPA 996.3 1002.4 1000.8 1001.6 998.4 995.1 993.0 992.1 995.8 1001.4 1003.6 1001.5 998.5 MAX. QNH PRESSURE IN HPA 1009.1 1018.0 1016.4 1008.2 1004.0 1005.4 1001.7 997.9 1003.0 1012.5 1014.5 1010.9 1018.0 DAY 19 5 26 21 22 1 12 24 17 27 21 31 MIN. QNH PRESSURE IN HPA 979.1 991.1 984.9 991.9 989.5 987.5 986.3 983.8 990.7 992.5 997.6 989.5 979.1 DAY 10 19 13 24 20 18 31 16 9 25 14 10 MEAN QFF PRESSURE IN HPA 996.6 1002.7 1001.1 1001.9 998.6 995.4 993.2 992.3 996.0 1001.7 1003.9 1001.8 998.8 MAX. QFF PRESSURE IN HPA 1009.4 1018.4 1016.7 1008.5 1004.2 1005.7 1001.9 998.1 1003.2 1012.8 1014.8 1011.2 1018.4 DAY 19 5 26 21 22 1 12 24 17 27 21 31 MIN. QFF PRESSURE IN HPA 979.4 991.4 985.1 992.2 989.7 987.7 986.5 984.0 990.9 992.7 997.8 989.8 979.4 DAY 10 19 13 24 20 18 31 16 9 25 14 10 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 3.5 3.9 8.5 14.0 21.2 27.4 26.3 27.9 24.5 18.5 12.4 11.7 16.6 MINIMUN AIR TEMPERATURE (C) -0.1 -0.2 5.0 9.1 14.9 20.0 21.0 21.9 18.6 13.3 6.7 7.5 11.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 16 19 26 7 0 0 0 68 DAYS WITH MINIMUM TEMP. <=-4 7 6 0 0 0 0 0 0 0 0 0 0 13 DAYS WITH FREEZING MIN.<= 0 17 12 2 0 0 0 0 0 0 0 2 0 33 TEMPERATURE RECORDS LOWEST(C) -10.0 -5.0 0.0 4.0 10.0 14.0 17.0 20.0 13.0 7.0 0.0 4.0 -10.0 DAY 6 10 24 15 7 1 7 1 12 31 19 16 MAXIMUM AIR TEMPERATURE (C) 6.6 6.8 11.3 17.6 25.4 32.1 30.0 32.2 28.7 22.7 16.8 15.4 20.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 1 8 20 20 28 13 0 0 0 90 DAYS WITH MAXIMUM TEMP. <= 0 8 4 0 0 0 0 0 0 0 0 0 0 12 TEMPERATURE RECORDS HIGHEST(C) 16.0 14.0 27.0 37.0 39.0 43.0 44.0 37.0 36.0 29.0 29.0 25.0 44.0 DAY 13 27 30 1 14 24 14 20 6 6 1 19 DIF. BETWEEN (MAX.-MIN.) (C) 6.7 7.0 6.3 8.5 10.5 12.1 9.0 10.3 10.1 9.4 10.1 7.9 9.0 MEAN DAILY TEMP. (MDT) (C) 3.2 3.3 8.1 13.4 20.1 26.0 25.5 27.0 23.7 18.0 11.7 11.5 16.0 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 2.5 35.0 153.0 139.0 187.5 93.0 4.5 0.0 0.0 614.5 HEATING DEG. DAYS(BASE 18 0C) 457.5 411.5 306.0 150.0 24.0 0.0 0.0 0.0 1.0 39.5 190.5 203.0 1783.0 DEWPOINT (MEAN C) -0.9 -1.0 5.2 8.2 12.8 16.0 17.4 19.3 16.1 12.6 6.2 6.7 9.9 MIXING RATIO (G/KG) 3.80 3.67 5.67 6.99 9.42 11.84 12.81 14.40 11.88 9.40 6.14 6.26 8.52 VAPOUR PRESSURE (HPA) 6.08 5.89 9.02 11.10 14.86 18.50 20.03 22.49 18.66 14.88 9.80 9.96 13.44 SATURATION DEF. (HPA) 2.31 2.49 2.45 6.15 11.73 19.73 15.03 15.85 13.24 7.10 5.33 4.14 8.80 RELATIVE HUMIDITY (MEAN %) 74 72 81 72 63 53 61 61 62 70 69 74 68 RELATIVE HUMIDITY (MAX. %) 84 83 90 85 78 70 76 76 76 84 82 84 81 RELATIVE HUMIDITY (MIN. %) 65 61 72 60 51 41 49 47 49 57 57 63 56 RELATIVE HUMIDITY (MEAN% 03UTC) 79 77 88 82 76 68 75 74 75 82 77 78 78 RELATIVE HUMIDITY (MEAN% 09UTC) 70 68 75 66 55 45 50 52 52 63 60 68 60 RELATIVE HUMIDITY (MEAN% 15UTC) 79 78 84 73 64 57 63 65 68 74 78 81 72 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 101.0 59.8 106.8 76.0 55.4 26.6 7.6 13.2 50.8 77.2 132.2 140.7 847.3 DAYS WITH PRECIPITATION >=10 4 2 5 1 1 0 0 0 1 2 3 6 25 DAYS WITH PRECIPITATION >= 5 9 4 8 5 5 3 0 1 5 4 8 7 59 DAYS WITH PRECIPITATION >= 1 18 13 19 16 9 4 3 4 9 10 12 9 126 DAYS WITH PRECIPITATION 18 14 22 18 9 4 4 5 13 10 12 10 139 GREATEST DAILY PRECIPITATION 18.0 13.0 15.0 27.0 18.0 9.0 4.0 6.0 11.0 34.0 36.0 36.0 36.0 DAY 25 2 1 14 27 30 2 8 12 14 17 14 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 9 7 2 0 0 0 0 0 0 0 0 0 18 DAYS WITH DUST 0 0 0 0 0 0 0 0 0 0 0 0 0 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 6.6 6.4 6.7 7.6 8.7 7.2 6.1 6.4 5.0 5.1 6.5 5.6 6.6 PREVAILING WIND PERCENT 9.0 15.7 15.5 18.7 21.9 23.3 32.3 24.5 20.7 8.7 10.0 6.5 17.2 CALMS PERCENT OF WIND 71.6 71.4 63.9 52.0 58.7 52.7 39.4 61.3 64.7 77.6 71.3 80.6 63.8 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 161 150 155 1831 VECTOR WIND DIRECTION (MEAN) 286 281 299 261 271 260 256 270 270 258 252 250 266 VECTOR WIND MAGNITUDE(KNOTS) 0.5 1.0 0.9 2.0 2.4 2.5 3.2 2.0 1.4 0.7 0.6 0.3 1.4 WIND STEADINESES (MEAN %) 33.3 62.5 40.9 55.6 75.0 78.1 88.9 83.3 82.4 53.8 37.5 30.0 63.6 WIND SPEED (MEAN KNOTS) 1.5 1.6 2.2 3.6 3.2 3.2 3.6 2.4 1.7 1.3 1.6 1.0 2.2 FASTEST WIND DIRECTION 270 270 270 180 360 240 270 270 270 240 270 270 180 FASTEST WIND SPEED (KNOTS) 10 10 14 20 20 15 15 11 7 15 11 15 20 DAY 14 1 15 1 15 24 5 22 8 13 9 5 DAYS WITH SKY CLEAR (0-2)/8 9 7 1 4 11 20 9 16 16 9 17 9 128 DAYS WITH P.CLOUDY (3-6)/8 9 5 5 9 9 4 12 11 8 14 4 12 102 DAYS WITH CLOUDY (7-8)/8 13 16 25 17 11 6 10 4 6 8 9 10 135 DAYS WITH VISIBILITY =< 2 KM 4 6 3 1 0 0 0 0 0 0 0 2 16 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1004.4 1005.6 999.5 998.8 997.0 991.7 993.1 994.5 997.4 999.9 1003.7 999.8 998.8 MAX. QFE PRESSURE IN HPA 1022.7 1017.2 1012.9 1009.7 1006.3 1001.9 999.5 1001.6 1009.9 1012.1 1014.4 1008.0 1022.7 DAY-HOUR 6- 6 10- 9 12- 6 4- 6 21- 6 1- 3 3- 3 31- 6 13- 6 26- 9 9-15 25- 6 MIN. QFE PRESSURE IN HPA 989.3 989.8 982.6 975.1 985.8 981.3 982.6 986.7 987.0 984.7 991.7 986.9 975.1 DAY-HOUR 19-12 13-12 19-12 17-15 14-12 24- 9 14- 3 14-15 9-15 29- 3 7-12 13-15 MEAN QNH PRESSURE IN HPA 1005.6 1006.9 1000.8 1000.1 998.3 993.0 994.4 995.8 998.7 1001.2 1005.0 1001.1 1000.1 MAX. QNH PRESSURE IN HPA 1024.0 1018.5 1014.2 1011.0 1007.6 1003.2 1000.8 1002.9 1011.2 1013.4 1015.7 1009.3 1024.0 DAY-HOUR 6- 6 10- 9 12- 6 4- 6 21- 6 1- 3 3- 3 31- 6 13- 6 26- 9 9-15 25- 6 MIN. QNH PRESSURE IN HPA 990.6 991.1 983.9 976.3 987.1 982.6 983.9 988.0 988.3 986.0 993.0 988.2 976.3 DAY-HOUR 19-12 13-12 19-12 17-15 14-12 24- 9 14- 3 14-15 9-15 29- 3 7-12 13-15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1004.4 1005.3 999.9 998.8 997.0 991.9 993.6 994.9 997.6 999.5 1003.6 999.7 998.8 MAX. QFE PRESSURE IN HPA 1020.8 1016.4 1012.7 1008.9 1005.4 1001.9 999.5 1001.4 1008.4 1009.7 1011.1 1007.3 1020.8 DAY 6 11 12 4 17 1 3 31 14 14 18 7 MIN. QFE PRESSURE IN HPA 989.6 992.6 985.4 983.9 987.5 981.9 982.6 988.0 988.1 984.7 991.8 987.3 981.9 DAY 20 13 20 17 3 24 14 15 7 29 7 31 MEAN QNH PRESSURE IN HPA 1005.7 1006.6 1001.2 1000.1 998.3 993.2 994.8 996.2 998.9 1000.8 1004.9 1001.0 1000.1 MAX. QNH PRESSURE IN HPA 1022.1 1017.7 1014.0 1010.2 1006.7 1003.2 1000.8 1002.7 1009.7 1011.0 1012.4 1008.6 1022.1 DAY 6 11 12 4 17 1 3 31 14 14 18 7 MIN. QNH PRESSURE IN HPA 990.9 993.9 986.7 985.2 988.8 983.2 983.9 989.3 989.4 986.0 993.1 988.6 983.2 DAY 20 13 20 17 3 24 14 15 7 29 7 31 MEAN QFF PRESSURE IN HPA 1006.1 1006.9 1001.5 1000.4 998.5 993.4 995.1 996.4 999.1 1001.0 1005.2 1001.3 1000.4 MAX. QFF PRESSURE IN HPA 1022.5 1018.1 1014.3 1010.5 1007.0 1003.5 1001.0 1002.9 1010.0 1011.3 1012.8 1008.9 1022.5 DAY 6 11 12 4 17 1 3 31 14 14 18 7 MIN. QFF PRESSURE IN HPA 991.2 994.2 987.0 985.4 989.0 983.4 984.1 989.5 989.6 986.2 993.4 988.9 983.4 DAY 20 13 20 17 3 24 14 15 7 29 7 31 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1005.4 1006.5 1000.5 999.6 997.4 992.4 994.0 995.4 998.3 1000.9 1004.6 1000.7 999.6 MAX. QFE PRESSURE IN HPA 1022.7 1016.6 1012.9 1009.7 1006.3 1001.9 998.8 1001.6 1009.9 1011.2 1012.7 1008.0 1022.7 DAY 6 10 12 4 21 1 3 31 13 14 18 25 MIN. QFE PRESSURE IN HPA 990.9 994.3 986.1 983.5 987.6 982.0 982.9 988.5 987.6 985.5 992.4 989.7 982.0 DAY 20 13 19 17 14 24 14 4 7 29 7 31 MEAN QNH PRESSURE IN HPA 1006.7 1007.8 1001.7 1000.9 998.7 993.7 995.2 996.7 999.6 1002.2 1005.9 1002.0 1000.9 MAX. QNH PRESSURE IN HPA 1024.0 1017.9 1014.2 1011.0 1007.6 1003.2 1000.1 1002.9 1011.2 1012.5 1014.0 1009.3 1024.0 DAY 6 10 12 4 21 1 3 31 13 14 18 25 MIN. QNH PRESSURE IN HPA 992.2 995.6 987.4 984.8 988.9 983.3 984.2 989.8 988.9 986.8 993.7 991.0 983.3 DAY 20 13 19 17 14 24 14 4 7 29 7 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1004.6 1006.2 999.9 999.2 997.1 992.0 993.3 994.8 997.6 1000.3 1003.7 999.7 999.0 MAX. QFE PRESSURE IN HPA 1019.9 1017.2 1011.8 1008.2 1006.3 1001.5 998.4 1001.6 1009.9 1012.1 1012.5 1007.0 1019.9 DAY 6 10 12 4 21 1 2 31 13 26 10 25 MIN. QFE PRESSURE IN HPA 990.9 991.8 983.6 981.8 987.6 981.3 983.0 987.9 987.2 985.5 991.9 987.8 981.3 DAY 19 13 19 17 14 24 14 4 7 29 7 31 MEAN QNH PRESSURE IN HPA 1005.9 1007.5 1001.2 1000.4 998.3 993.2 994.6 996.1 998.9 1001.6 1004.9 1001.0 1000.3 MAX. QNH PRESSURE IN HPA 1021.2 1018.5 1013.1 1009.5 1007.6 1002.8 999.7 1002.9 1011.2 1013.4 1013.8 1008.3 1021.2 DAY 6 10 12 4 21 1 2 31 13 26 10 25 MIN. QNH PRESSURE IN HPA 992.2 993.1 984.9 983.1 988.9 982.6 984.3 989.2 988.5 986.8 993.2 989.1 982.6 DAY 19 13 19 17 14 24 14 4 7 29 7 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1003.5 1004.7 998.8 998.2 996.6 991.1 992.3 993.7 996.7 999.0 1003.1 999.1 998.1 MAX. QFE PRESSURE IN HPA 1017.7 1015.1 1010.3 1006.9 1005.1 1000.6 998.4 1000.3 1008.3 1010.9 1012.2 1005.9 1017.7 DAY 6 10 24 3 21 1 2 31 13 26 9 6 MIN. QFE PRESSURE IN HPA 989.3 989.8 982.6 978.1 985.8 982.0 982.7 987.0 987.2 986.2 991.7 987.9 978.1 DAY 19 13 19 17 14 24 14 3 7 29 7 13 MEAN QNH PRESSURE IN HPA 1004.8 1006.0 1000.0 999.5 997.9 992.3 993.6 994.9 998.0 1000.2 1004.4 1000.3 999.3 MAX. QNH PRESSURE IN HPA 1019.0 1016.4 1011.6 1008.2 1006.4 1001.9 999.7 1001.6 1009.6 1012.2 1013.5 1007.2 1019.0 DAY 6 10 24 3 21 1 2 31 13 26 9 6 MIN. QNH PRESSURE IN HPA 990.6 991.1 983.9 979.3 987.1 983.3 984.0 988.3 988.5 987.5 993.0 989.2 979.3 DAY 19 13 19 17 14 24 14 3 7 29 7 13 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1003.9 1005.3 998.8 998.3 997.0 991.2 992.4 993.8 997.0 999.2 1003.7 999.7 998.4 MAX. QFE PRESSURE IN HPA 1017.0 1016.2 1010.6 1007.6 1005.1 1000.2 998.9 1000.4 1008.8 1010.9 1014.4 1006.9 1017.0 DAY 4 10 24 3 21 1 2 31 13 26 9 6 MIN. QFE PRESSURE IN HPA 991.1 990.4 983.6 975.1 985.8 983.6 984.5 986.7 987.0 986.7 992.0 986.9 975.1 DAY 19 13 19 17 14 28 14 14 9 29 7 13 MEAN QNH PRESSURE IN HPA 1005.2 1006.6 1000.1 999.6 998.3 992.5 993.6 995.0 998.3 1000.5 1005.0 1001.0 999.6 MAX. QNH PRESSURE IN HPA 1018.3 1017.5 1011.9 1008.9 1006.4 1001.5 1000.2 1001.7 1010.1 1012.2 1015.7 1008.2 1018.3 DAY 4 10 24 3 21 1 2 31 13 26 9 6 MIN. QNH PRESSURE IN HPA 992.4 991.7 984.9 976.3 987.1 984.9 985.8 988.0 988.3 988.0 993.3 988.2 976.3 DAY 19 13 19 17 14 28 14 14 9 29 7 13 MEAN QFF PRESSURE IN HPA 1005.6 1006.9 1000.4 999.9 998.5 992.7 993.9 995.2 998.6 1000.8 1005.3 1001.3 999.9 MAX. QFF PRESSURE IN HPA 1018.7 1017.9 1012.3 1009.2 1006.6 1001.7 1000.4 1001.9 1010.4 1012.5 1016.0 1008.5 1018.7 DAY 4 10 24 3 21 1 2 31 13 26 9 6 MIN. QFF PRESSURE IN HPA 992.7 992.0 985.2 976.6 987.3 985.1 986.0 988.2 988.5 988.2 993.6 988.5 976.6 DAY 19 13 19 17 14 28 14 14 9 29 7 13 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 7.8 11.4 13.0 17.8 24.3 24.8 28.4 27.6 23.7 19.9 15.9 9.6 18.7 MINIMUN AIR TEMPERATURE (C) 3.5 6.5 8.3 11.8 17.2 19.4 22.5 23.0 18.4 14.7 10.2 4.9 13.4 DAYS WITH MINIMUM TEMP. >=21 0 0 1 0 4 9 28 30 6 0 0 0 78 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 3 0 0 0 0 0 0 0 0 0 0 0 3 TEMPERATURE RECORDS LOWEST(C) -1.0 3.0 5.0 7.0 10.0 14.0 20.0 20.0 15.0 10.0 7.0 1.0 -1.0 DAY 29 2 1 10 9 11 3 31 13 26 15 17 MAXIMUM AIR TEMPERATURE (C) 11.1 15.3 16.3 21.6 29.1 28.5 32.2 31.1 27.4 23.8 20.7 13.4 22.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 2 15 12 28 24 6 3 0 0 91 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 18.0 27.0 32.0 32.0 43.0 33.0 38.0 36.0 38.0 30.0 29.0 28.0 43.0 DAY 18 19 31 7 23 14 20 13 23 1 8 6 DIF. BETWEEN (MAX.-MIN.) (C) 7.6 8.8 8.0 9.8 11.9 9.1 9.7 8.1 9.0 9.1 10.5 8.5 9.2 MEAN DAILY TEMP. (MDT) (C) 7.3 10.9 12.3 16.7 23.1 24.0 27.4 27.1 22.9 19.3 15.5 9.1 18.0 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 6.0 7.5 91.0 95.0 197.5 188.0 61.0 15.5 0.5 0.0 662.0 HEATING DEG. DAYS(BASE 18 0C) 331.0 201.5 193.5 71.0 6.0 0.0 0.0 0.0 0.0 15.5 81.0 275.0 1174.5 DEWPOINT (MEAN C) 3.5 5.0 7.2 10.2 13.3 16.0 18.2 21.1 16.3 13.2 10.5 3.4 11.5 MIXING RATIO (G/KG) 5.00 5.57 6.51 8.05 9.89 11.77 13.55 16.18 12.02 9.76 8.10 5.03 9.29 VAPOUR PRESSURE (HPA) 7.99 8.87 10.34 12.74 15.54 18.44 21.11 25.10 18.86 15.42 12.87 8.03 14.61 SATURATION DEF. (HPA) 2.79 5.05 5.92 8.77 16.71 13.61 18.18 12.43 11.18 8.49 5.71 4.45 9.44 RELATIVE HUMIDITY (MEAN %) 76 68 72 65 55 60 56 69 66 67 72 68 66 RELATIVE HUMIDITY (MAX. %) 84 81 83 79 74 76 72 82 80 82 86 81 80 RELATIVE HUMIDITY (MIN. %) 68 56 61 54 41 47 44 57 53 53 57 54 54 RELATIVE HUMIDITY (MEAN% 03UTC) 81 73 77 76 70 74 72 81 79 80 83 74 77 RELATIVE HUMIDITY (MEAN% 09UTC) 71 60 67 60 44 51 47 59 58 56 60 58 58 RELATIVE HUMIDITY (MEAN% 15UTC) 81 74 77 68 58 61 59 73 70 73 80 76 71 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 78.4 32.0 123.8 45.2 35.0 18.0 65.0 50.6 56.6 96.6 21.1 23.6 645.9 DAYS WITH PRECIPITATION >=10 2 1 5 1 2 1 2 2 2 4 1 0 23 DAYS WITH PRECIPITATION >= 5 7 4 5 2 4 1 2 3 2 6 1 2 39 DAYS WITH PRECIPITATION >= 1 9 7 16 8 4 4 4 9 9 8 7 6 91 DAYS WITH PRECIPITATION 10 7 16 10 6 4 4 9 10 9 7 8 100 GREATEST DAILY PRECIPITATION 27.0 10.0 40.0 24.0 10.0 11.0 50.0 16.0 30.0 25.0 11.0 8.0 50.0 DAY 28 20 5 9 8 10 24 18 12 9 13 14 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 1 0 1 0 0 2 DAYS WITH SNOW OR SLEET 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH DUST 0 1 1 0 0 0 0 0 0 0 0 0 2 WIND DIRECTION (PREVAILING) 225 225 270 270 225 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 4.4 4.8 4.5 6.2 6.7 5.9 6.2 5.5 5.7 5.4 5.3 5.6 5.8 PREVAILING WIND PERCENT 9.0 7.1 12.3 17.3 14.2 32.0 34.8 21.9 22.0 12.3 10.7 7.1 16.2 CALMS PERCENT OF WIND 81.9 75.7 66.5 62.7 69.0 50.0 46.5 60.0 60.0 72.9 74.7 76.1 66.3 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 242 256 261 261 249 263 266 254 252 263 288 255 259 VECTOR WIND MAGNITUDE(KNOTS) 0.4 0.5 0.7 1.4 1.6 2.4 2.9 1.7 1.7 0.7 0.5 0.2 1.2 WIND STEADINESES (MEAN %) 50.0 38.5 38.9 60.9 76.2 80.0 85.3 81.0 73.9 43.8 35.7 14.3 60.0 WIND SPEED (MEAN KNOTS) 0.8 1.3 1.8 2.3 2.1 3.0 3.4 2.1 2.3 1.6 1.4 1.4 2.0 FASTEST WIND DIRECTION 310 270 240 230 270 270 270 270 270 180 270 230 270 FASTEST WIND SPEED (KNOTS) 6 15 10 15 15 10 12 10 10 12 10 12 15 DAY 19 19 20 8 23 8 1 27 12 15 8 7 DAYS WITH SKY CLEAR (0-2)/8 11 8 7 7 13 7 16 6 12 14 12 14 127 DAYS WITH P.CLOUDY (3-6)/8 8 11 5 9 9 15 13 12 8 8 14 6 118 DAYS WITH CLOUDY (7-8)/8 12 9 19 14 9 8 2 13 10 9 4 11 120 DAYS WITH VISIBILITY =< 2 KM 1 0 0 0 0 0 1 0 0 0 2 3 7 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1001.5 999.1 999.8 999.3 993.7 994.0 990.7 990.4 996.1 999.5 1000.8 1002.2 997.3 MAX. QFE PRESSURE IN HPA 1011.7 1009.3 1009.7 1014.0 1004.6 1006.6 995.8 1001.0 1005.9 1011.6 1016.0 1010.9 1016.0 DAY-HOUR 2- 6 16- 6 5- 6 22- 6 9- 6 11- 3 23- 3 31- 6 18- 6 31- 9 14- 9 30- 6 MIN. QFE PRESSURE IN HPA 989.3 982.6 981.4 975.6 983.2 987.3 984.4 978.4 987.9 985.2 991.7 988.9 975.6 DAY-HOUR 30- 3 19- 3 19- 3 19-12 15-12 7-15 13-12 27- 3 8-12 14-15 3-15 11- 3 MEAN QNH PRESSURE IN HPA 1002.7 1000.4 1001.1 1000.6 995.0 995.2 992.0 991.7 997.4 1000.8 1002.1 1003.5 998.5 MAX. QNH PRESSURE IN HPA 1013.0 1010.6 1011.0 1015.3 1005.9 1007.9 997.1 1002.3 1007.2 1012.9 1017.3 1012.2 1017.3 DAY-HOUR 2- 6 16- 6 5- 6 22- 6 9- 6 11- 3 23- 3 31- 6 18- 6 31- 9 14- 9 30- 6 MIN. QNH PRESSURE IN HPA 990.6 983.9 982.7 976.9 984.5 988.6 985.7 979.7 989.2 986.5 993.0 990.2 976.9 DAY-HOUR 30- 3 19- 3 19- 3 19-12 15-12 7-15 13-12 27- 3 8-12 14-15 3-15 11- 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1001.2 998.7 999.5 999.0 994.0 994.7 991.1 991.1 996.5 999.7 1000.7 1001.7 997.3 MAX. QFE PRESSURE IN HPA 1010.1 1008.8 1008.4 1012.9 1003.4 1006.6 995.8 1000.8 1004.8 1006.7 1009.8 1010.0 1012.9 DAY 2 16 5 22 9 11 23 31 18 11 14 30 MIN. QFE PRESSURE IN HPA 989.3 982.6 981.4 982.6 986.5 988.0 986.1 978.4 990.9 985.6 994.7 988.9 978.4 DAY 30 19 19 19 20 20 10 27 6 6 5 11 MEAN QNH PRESSURE IN HPA 1002.5 1000.0 1000.8 1000.3 995.3 995.9 992.4 992.4 997.8 1000.9 1002.0 1003.0 998.6 MAX. QNH PRESSURE IN HPA 1011.4 1010.1 1009.7 1014.2 1004.7 1007.9 997.1 1002.1 1006.1 1008.0 1011.1 1011.3 1014.2 DAY 2 16 5 22 9 11 23 31 18 11 14 30 MIN. QNH PRESSURE IN HPA 990.6 983.9 982.7 983.9 987.8 989.3 987.4 979.7 992.2 986.9 996.0 990.2 979.7 DAY 30 19 19 19 20 20 10 27 6 6 5 11 MEAN QFF PRESSURE IN HPA 1002.8 1000.3 1001.1 1000.5 995.6 996.2 992.6 992.6 998.0 1001.2 1002.3 1003.3 998.9 MAX. QFF PRESSURE IN HPA 1011.7 1010.4 1010.0 1014.5 1005.0 1008.2 997.3 1002.3 1006.4 1008.3 1011.4 1011.6 1014.5 DAY 2 16 5 22 9 11 23 31 18 11 14 30 MIN. QFF PRESSURE IN HPA 990.9 984.1 982.9 984.1 988.0 989.5 987.6 979.9 992.4 987.1 996.3 990.5 979.9 DAY 30 19 19 19 20 20 10 27 6 6 5 11 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1002.3 999.8 1000.5 999.9 994.4 994.9 991.4 991.5 997.2 1000.4 1001.7 1003.2 998.1 MAX. QFE PRESSURE IN HPA 1011.7 1009.3 1009.7 1014.0 1004.6 1006.4 995.6 1001.0 1005.9 1008.3 1014.0 1010.9 1014.0 DAY 2 16 5 22 9 11 23 31 18 11 14 30 MIN. QFE PRESSURE IN HPA 990.4 983.6 984.7 980.4 986.3 988.0 987.3 979.1 990.6 986.4 995.3 991.7 979.1 DAY 30 19 19 19 20 20 10 27 8 6 3 11 MEAN QNH PRESSURE IN HPA 1003.6 1001.1 1001.8 1001.2 995.7 996.2 992.7 992.8 998.5 1001.7 1003.0 1004.5 999.4 MAX. QNH PRESSURE IN HPA 1013.0 1010.6 1011.0 1015.3 1005.9 1007.7 996.9 1002.3 1007.2 1009.6 1015.3 1012.2 1015.3 DAY 2 16 5 22 9 11 23 31 18 11 14 30 MIN. QNH PRESSURE IN HPA 991.7 984.9 986.0 981.7 987.6 989.3 988.6 980.4 991.9 987.7 996.6 993.0 980.4 DAY 30 19 19 19 20 20 10 27 8 6 3 11 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1001.6 999.2 1000.2 999.9 994.0 994.2 991.0 990.8 996.4 999.7 1000.9 1002.3 997.5 MAX. QFE PRESSURE IN HPA 1011.4 1008.6 1009.7 1012.8 1003.8 1005.9 995.6 999.0 1005.5 1011.6 1016.0 1009.6 1016.0 DAY 2 16 5 22 9 11 31 31 18 31 14 30 MIN. QFE PRESSURE IN HPA 991.7 983.8 986.8 978.5 985.2 988.0 985.8 979.9 989.0 987.0 993.9 992.0 978.5 DAY 30 19 18 19 26 20 13 27 8 6 3 6 MEAN QNH PRESSURE IN HPA 1002.9 1000.5 1001.5 1001.1 995.2 995.5 992.3 992.1 997.7 1001.0 1002.2 1003.6 998.8 MAX. QNH PRESSURE IN HPA 1012.7 1009.9 1011.0 1014.1 1005.1 1007.2 996.9 1000.3 1006.8 1012.9 1017.3 1010.9 1017.3 DAY 2 16 5 22 9 11 31 31 18 31 14 30 MIN. QNH PRESSURE IN HPA 993.0 985.1 988.1 979.8 986.5 989.3 987.1 981.2 990.3 988.3 995.2 993.3 979.8 DAY 30 19 18 19 26 20 13 27 8 6 3 6 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1000.8 998.6 999.3 998.9 992.9 993.1 990.1 989.5 995.2 998.6 1000.3 1001.5 996.6 MAX. QFE PRESSURE IN HPA 1010.3 1006.7 1008.2 1010.9 1002.8 1003.7 995.4 997.9 1004.3 1010.4 1013.7 1008.9 1013.7 DAY 2 16 5 22 9 11 22 29 18 31 14 15 MIN. QFE PRESSURE IN HPA 990.8 985.8 984.2 975.6 983.2 987.8 984.4 980.2 987.9 986.1 992.3 991.8 975.6 DAY 22 18 18 19 15 7 13 27 8 14 3 10 MEAN QNH PRESSURE IN HPA 1002.1 999.9 1000.6 1000.2 994.2 994.4 991.4 990.7 996.5 999.9 1001.5 1002.8 997.8 MAX. QNH PRESSURE IN HPA 1011.6 1008.0 1009.5 1012.2 1004.1 1005.0 996.7 999.2 1005.6 1011.7 1015.0 1010.2 1015.0 DAY 2 16 5 22 9 11 22 29 18 31 14 15 MIN. QNH PRESSURE IN HPA 992.1 987.1 985.5 976.9 984.5 989.1 985.7 981.5 989.2 987.4 993.6 993.1 976.9 DAY 22 18 18 19 15 7 13 27 8 14 3 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1001.4 999.1 999.6 999.2 993.2 993.0 989.9 989.3 995.4 999.1 1000.6 1002.3 996.8 MAX. QFE PRESSURE IN HPA 1010.4 1007.3 1008.4 1010.1 1003.2 1002.7 995.3 998.9 1004.8 1008.3 1013.2 1010.4 1013.2 DAY 2 15 5 22 8 11 22 29 18 31 14 15 MIN. QFE PRESSURE IN HPA 991.4 985.8 982.9 977.5 984.0 987.3 984.4 981.5 988.8 985.2 991.7 991.3 977.5 DAY 22 18 18 19 15 7 13 27 6 14 3 10 MEAN QNH PRESSURE IN HPA 1002.7 1000.4 1000.9 1000.4 994.5 994.3 991.1 990.6 996.6 1000.3 1001.9 1003.6 998.1 MAX. QNH PRESSURE IN HPA 1011.7 1008.6 1009.7 1011.4 1004.5 1004.0 996.6 1000.2 1006.1 1009.6 1014.5 1011.7 1014.5 DAY 2 15 5 22 8 11 22 29 18 31 14 15 MIN. QNH PRESSURE IN HPA 992.7 987.1 984.2 978.7 985.3 988.6 985.7 982.8 990.1 986.5 993.0 992.6 978.7 DAY 22 18 18 19 15 7 13 27 6 14 3 10 MEAN QFF PRESSURE IN HPA 1003.0 1000.7 1001.2 1000.7 994.7 994.6 991.3 990.8 996.9 1000.6 1002.2 1003.9 998.4 MAX. QFF PRESSURE IN HPA 1012.0 1008.9 1010.0 1011.7 1004.8 1004.3 996.8 1000.4 1006.3 1009.9 1014.8 1012.0 1014.8 DAY 2 15 5 22 8 11 22 29 18 31 14 15 MIN. QFF PRESSURE IN HPA 993.0 987.4 984.4 979.0 985.5 988.8 985.9 983.0 990.3 986.7 993.3 992.9 979.0 DAY 22 18 18 19 15 7 13 27 6 14 3 10 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.1 9.9 13.7 15.9 23.3 25.6 29.6 28.3 27.3 20.7 16.2 11.4 19.2 MINIMUN AIR TEMPERATURE (C) 3.1 4.4 7.0 10.2 17.1 19.4 23.4 22.9 20.0 13.9 10.5 6.5 13.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 3 6 31 31 13 0 0 0 84 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 3 2 0 0 0 0 0 0 0 0 0 0 5 TEMPERATURE RECORDS LOWEST(C) -2.0 0.0 1.0 3.0 13.0 14.0 22.0 21.0 17.0 11.0 8.0 2.0 -2.0 DAY 15 9 7 4 13 20 1 22 10 31 20 29 MAXIMUM AIR TEMPERATURE (C) 11.9 14.0 18.2 19.7 27.7 29.7 34.2 32.2 31.8 25.0 20.3 15.2 23.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 3 12 15 31 24 26 3 0 0 115 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 24.0 31.0 32.0 35.0 38.0 38.0 37.0 35.0 36.0 27.0 25.0 38.0 DAY 4 27 27 16 6 21 4 16 4 23 16 12 DIF. BETWEEN (MAX.-MIN.) (C) 8.8 9.6 11.2 9.5 10.6 10.3 10.8 9.3 11.8 11.1 9.8 8.7 10.1 MEAN DAILY TEMP. (MDT) (C) 7.5 9.2 12.6 15.0 22.4 24.5 28.8 27.5 25.9 19.4 15.4 10.8 18.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 9.5 60.0 109.0 241.5 202.5 147.0 16.5 0.0 0.0 786.0 HEATING DEG. DAYS(BASE 18 0C) 325.5 247.0 173.0 119.0 1.0 0.0 0.0 0.0 0.0 13.5 80.5 224.5 1184.0 DEWPOINT (MEAN C) 1.7 2.3 5.5 8.6 14.1 14.9 17.6 18.6 16.0 11.1 9.7 4.6 10.4 MIXING RATIO (G/KG) 4.41 4.67 5.86 7.17 10.35 10.90 13.27 13.84 11.87 8.50 7.69 5.47 8.67 VAPOUR PRESSURE (HPA) 7.09 7.42 9.32 11.36 16.28 17.07 20.66 21.57 18.65 13.49 12.20 8.70 13.65 SATURATION DEF. (HPA) 4.09 5.32 7.45 8.00 13.28 16.75 21.64 17.48 18.54 11.86 6.65 5.33 11.36 RELATIVE HUMIDITY (MEAN %) 66 64 63 66 59 55 51 58 52 58 67 65 60 RELATIVE HUMIDITY (MAX. %) 78 78 78 81 76 71 67 73 69 75 81 79 76 RELATIVE HUMIDITY (MIN. %) 55 50 50 54 45 42 37 46 40 44 55 53 48 RELATIVE HUMIDITY (MEAN% 03UTC) 76 73 73 78 74 71 63 72 68 74 78 74 73 RELATIVE HUMIDITY (MEAN% 09UTC) 58 59 56 59 51 44 43 49 43 49 59 59 52 RELATIVE HUMIDITY (MEAN% 15UTC) 70 67 64 68 59 56 53 61 53 61 73 69 63 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 39.6 67.2 103.4 51.0 9.4 34.2 0.0 15.5 0.4 115.0 52.6 40.8 529.1 DAYS WITH PRECIPITATION >=10 1 3 5 2 0 1 0 0 0 3 3 0 18 DAYS WITH PRECIPITATION >= 5 3 5 6 3 0 2 0 1 0 5 3 4 32 DAYS WITH PRECIPITATION >= 1 7 11 9 10 5 4 0 6 0 6 5 11 74 DAYS WITH PRECIPITATION 7 11 11 10 6 5 0 8 1 6 6 12 83 GREATEST DAILY PRECIPITATION 16.0 16.6 23.0 17.0 4.0 26.0 0.0 6.0 0.4 40.0 19.0 9.0 40.0 DAY 14 24 16 26 12 19 ** 23 2 1 5 15 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 1 1 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH DUST 0 0 0 0 1 1 0 0 0 1 0 0 3 WIND DIRECTION (PREVAILING) 270 225 270 270 270 270 270 270 270 45 225 270 270 PREVAILING WIND SPEED(KNOTS) 4.5 6.3 6.2 6.2 6.0 6.1 6.7 5.5 5.2 5.4 6.3 6.0 5.9 PREVAILING WIND PERCENT 9.7 13.6 11.0 17.3 21.3 40.0 37.4 38.7 25.3 7.1 8.7 7.1 19.2 CALMS PERCENT OF WIND 69.7 66.4 70.3 62.7 57.4 43.3 45.8 45.8 64.7 69.7 78.0 75.5 62.4 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 317 257 278 263 253 263 265 267 268 319 238 266 265 VECTOR WIND MAGNITUDE(KNOTS) 0.3 0.7 0.7 1.4 1.8 3.1 3.1 2.2 1.4 0.3 0.6 0.3 1.3 WIND STEADINESES (MEAN %) 20.0 36.8 43.8 60.9 69.2 88.6 88.6 75.9 77.8 18.8 50.0 23.1 61.9 WIND SPEED (MEAN KNOTS) 1.5 1.9 1.6 2.3 2.6 3.5 3.5 2.9 1.8 1.6 1.2 1.3 2.1 FASTEST WIND DIRECTION 60 240 270 270 240 270 270 270 270 90 210 270 270 FASTEST WIND SPEED (KNOTS) 10 10 13 15 12 12 12 10 10 9 11 12 15 DAY 10 14 12 1 26 2 24 20 22 3 19 13 DAYS WITH SKY CLEAR (0-2)/8 11 10 12 7 12 14 18 12 25 18 14 11 164 DAYS WITH P.CLOUDY (3-6)/8 13 8 8 10 11 8 8 9 3 10 8 12 108 DAYS WITH CLOUDY (7-8)/8 7 10 11 13 8 8 5 10 2 3 8 8 93 DAYS WITH VISIBILITY =< 2 KM 2 2 0 0 0 0 0 0 0 0 0 0 4 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1006.7 996.6 998.9 996.9 995.0 991.0 990.4 991.5 997.5 1001.1 1000.2 998.8 997.0 MAX. QFE PRESSURE IN HPA 1019.6 1010.2 1012.3 1008.6 1004.1 1000.8 996.6 999.3 1006.8 1013.3 1011.1 1013.1 1019.6 DAY-HOUR 8-15 1- 6 6- 6 9- 9 2- 6 17- 3 12- 3 29- 6 23- 6 31- 6 20- 6 31-15 MIN. QFE PRESSURE IN HPA 991.9 975.0 988.0 978.2 986.9 981.1 981.1 985.9 988.6 988.2 988.3 986.6 975.0 DAY-HOUR 13-12 27-15 28- 6 14-12 26- 3 21- 9 4-15 10-15 6-15 8-12 18-12 13- 3 MEAN QNH PRESSURE IN HPA 1008.0 997.9 1000.2 998.1 996.2 992.3 991.7 992.8 998.7 1002.3 1001.4 1000.1 998.3 MAX. QNH PRESSURE IN HPA 1020.9 1011.5 1013.6 1009.9 1005.4 1002.1 997.9 1000.6 1008.1 1014.6 1012.4 1014.4 1020.9 DAY-HOUR 8-15 1- 6 6- 6 9- 9 2- 6 17- 3 12- 3 29- 6 23- 6 31- 6 20- 6 31-15 MIN. QNH PRESSURE IN HPA 993.2 976.2 989.3 979.4 988.2 982.4 982.4 987.2 989.9 989.5 989.6 987.9 976.2 DAY-HOUR 13-12 27-15 28- 6 14-12 26- 3 21- 9 4-15 10-15 6-15 8-12 18-12 13- 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1006.6 996.5 998.9 996.7 995.1 991.6 990.9 992.2 997.7 1001.2 1000.3 998.6 997.2 MAX. QFE PRESSURE IN HPA 1017.9 1008.7 1011.4 1006.8 1003.1 1000.8 996.6 998.8 1005.5 1012.3 1010.2 1010.9 1017.9 DAY 9 1 6 9 2 17 12 29 23 31 20 28 MIN. QFE PRESSURE IN HPA 993.8 985.5 988.3 979.9 986.9 982.1 983.1 987.4 990.5 988.5 989.6 986.6 979.9 DAY 14 23 28 14 26 21 5 19 8 24 18 13 MEAN QNH PRESSURE IN HPA 1007.9 997.8 1000.1 998.0 996.4 992.9 992.2 993.4 999.0 1002.5 1001.6 999.9 998.5 MAX. QNH PRESSURE IN HPA 1019.2 1010.0 1012.7 1008.1 1004.4 1002.1 997.9 1000.1 1006.8 1013.6 1011.5 1012.2 1019.2 DAY 9 1 6 9 2 17 12 29 23 31 20 28 MIN. QNH PRESSURE IN HPA 995.1 986.8 989.6 981.2 988.2 983.4 984.4 988.7 991.8 989.8 990.9 987.9 981.2 DAY 14 23 28 14 26 21 5 19 8 24 18 13 MEAN QFF PRESSURE IN HPA 1008.3 998.1 1000.4 998.3 996.6 993.1 992.4 993.7 999.2 1002.8 1001.9 1000.2 998.8 MAX. QFF PRESSURE IN HPA 1019.5 1010.3 1013.0 1008.4 1004.7 1002.3 998.1 1000.3 1007.0 1013.9 1011.8 1012.5 1019.5 DAY 9 1 6 9 2 17 12 29 23 31 20 28 MIN. QFF PRESSURE IN HPA 995.4 987.1 989.8 981.4 988.4 983.6 984.6 988.9 992.0 990.0 991.1 988.1 981.4 DAY 14 23 28 14 26 21 5 19 8 24 18 13 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1007.9 997.8 999.8 997.6 995.8 991.9 991.5 992.8 998.6 1002.2 1001.2 999.7 998.1 MAX. QFE PRESSURE IN HPA 1018.6 1010.2 1012.3 1008.4 1004.1 1000.8 996.6 999.3 1006.8 1013.3 1011.1 1012.4 1018.6 DAY 9 1 6 9 2 17 12 29 23 31 20 28 MIN. QFE PRESSURE IN HPA 995.1 985.3 988.0 979.8 987.6 981.8 985.1 988.1 990.6 990.6 989.3 987.4 979.8 DAY 13 27 28 14 26 21 5 18 8 7 18 13 MEAN QNH PRESSURE IN HPA 1009.2 999.1 1001.0 998.9 997.1 993.2 992.8 994.0 999.8 1003.5 1002.4 1001.0 999.3 MAX. QNH PRESSURE IN HPA 1019.9 1011.5 1013.6 1009.7 1005.4 1002.1 997.9 1000.6 1008.1 1014.6 1012.4 1013.7 1019.9 DAY 9 1 6 9 2 17 12 29 23 31 20 28 MIN. QNH PRESSURE IN HPA 996.4 986.6 989.3 981.1 988.9 983.1 986.4 989.4 991.9 991.9 990.6 988.7 981.1 DAY 13 27 28 14 26 21 5 18 8 7 18 13 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1006.9 997.0 999.5 997.2 995.6 991.3 990.9 992.0 997.9 1001.4 1000.6 999.2 997.4 MAX. QFE PRESSURE IN HPA 1017.6 1009.8 1011.8 1008.6 1003.4 999.9 995.8 997.4 1006.1 1011.9 1010.3 1012.7 1017.6 DAY 8 1 6 9 2 17 11 25 23 31 20 28 MIN. QFE PRESSURE IN HPA 993.3 981.3 988.4 979.0 987.4 981.1 986.4 987.3 990.0 990.3 989.8 988.0 979.0 DAY 13 27 28 14 26 21 4 18 8 7 18 13 MEAN QNH PRESSURE IN HPA 1008.2 998.3 1000.8 998.5 996.9 992.5 992.2 993.2 999.2 1002.7 1001.9 1000.5 998.7 MAX. QNH PRESSURE IN HPA 1018.9 1011.1 1013.1 1009.9 1004.7 1001.2 997.1 998.7 1007.4 1013.2 1011.6 1014.0 1018.9 DAY 8 1 6 9 2 17 11 25 23 31 20 28 MIN. QNH PRESSURE IN HPA 994.6 982.6 989.7 980.3 988.7 982.4 987.7 988.6 991.3 991.6 991.1 989.3 980.3 DAY 13 27 28 14 26 21 4 18 8 7 18 13 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1005.7 995.8 998.2 996.3 994.3 990.2 989.6 990.5 996.5 1000.1 999.3 998.1 996.2 MAX. QFE PRESSURE IN HPA 1018.0 1008.7 1010.8 1006.8 1001.8 997.7 994.7 996.2 1004.9 1010.8 1008.9 1012.2 1018.0 DAY 8 1 6 9 2 16 11 24 23 31 20 31 MIN. QFE PRESSURE IN HPA 991.9 976.7 988.7 978.2 987.9 981.4 983.2 986.3 989.2 988.2 988.3 986.6 976.7 DAY 13 27 27 14 26 21 4 10 7 8 18 14 MEAN QNH PRESSURE IN HPA 1006.9 997.1 999.5 997.6 995.6 991.5 990.9 991.7 997.8 1001.4 1000.6 999.3 997.5 MAX. QNH PRESSURE IN HPA 1019.3 1010.0 1012.1 1008.1 1003.1 999.0 996.0 997.5 1006.2 1012.1 1010.2 1013.5 1019.3 DAY 8 1 6 9 2 16 11 24 23 31 20 31 MIN. QNH PRESSURE IN HPA 993.2 977.9 990.0 979.4 989.2 982.7 984.5 987.6 990.5 989.5 989.6 987.9 977.9 DAY 13 27 27 14 26 21 4 10 7 8 18 14 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1006.4 996.0 998.4 996.5 994.1 990.1 989.3 990.4 996.7 1000.4 999.5 998.5 996.4 MAX. QFE PRESSURE IN HPA 1019.6 1009.1 1010.8 1007.3 1002.1 998.4 994.7 996.2 1005.6 1010.6 1008.7 1013.1 1019.6 DAY 8 1 6 9 2 19 11 24 23 31 20 31 MIN. QFE PRESSURE IN HPA 991.9 975.0 988.6 979.3 987.3 981.7 981.1 985.9 988.6 989.7 989.3 987.3 975.0 DAY 13 27 27 14 11 21 4 10 6 8 18 7 MEAN QNH PRESSURE IN HPA 1007.7 997.3 999.7 997.8 995.4 991.4 990.5 991.7 997.9 1001.7 1000.7 999.8 997.6 MAX. QNH PRESSURE IN HPA 1020.9 1010.4 1012.1 1008.6 1003.4 999.7 996.0 997.5 1006.9 1011.9 1010.0 1014.4 1020.9 DAY 8 1 6 9 2 19 11 24 23 31 20 31 MIN. QNH PRESSURE IN HPA 993.2 976.2 989.9 980.6 988.6 983.0 982.4 987.2 989.9 991.0 990.6 988.6 976.2 DAY 13 27 27 14 11 21 4 10 6 8 18 7 MEAN QFF PRESSURE IN HPA 1008.0 997.6 1000.0 998.1 995.6 991.6 990.7 991.9 998.2 1002.0 1001.0 1000.1 997.9 MAX. QFF PRESSURE IN HPA 1021.2 1010.7 1012.4 1008.9 1003.7 999.9 996.2 997.7 1007.1 1012.2 1010.3 1014.7 1021.2 DAY 8 1 6 9 2 19 11 24 23 31 20 31 MIN. QFF PRESSURE IN HPA 993.5 976.5 990.1 980.8 988.8 983.2 982.6 987.4 990.1 991.2 990.8 988.9 976.5 DAY 13 27 27 14 11 21 4 16 6 8 18 7 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 3.4 3.7 8.8 19.6 20.4 27.8 30.0 28.4 26.5 23.1 16.1 6.6 17.8 MINIMUN AIR TEMPERATURE (C) -0.7 -0.6 3.8 11.8 14.9 21.3 24.3 22.0 20.2 16.5 10.2 2.9 12.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 1 20 30 23 12 0 0 0 86 DAYS WITH MINIMUM TEMP. <=-4 6 4 0 0 0 0 0 0 0 0 0 1 11 DAYS WITH FREEZING MIN.<= 0 16 20 2 0 0 0 0 0 0 0 0 9 47 TEMPERATURE RECORDS LOWEST(C) -7.0 -6.0 -3.0 5.0 10.0 16.0 20.0 18.0 17.0 12.0 6.0 -4.0 -7.0 DAY 24 1 20 5 12 8 17 2 19 10 9 26 MAXIMUM AIR TEMPERATURE (C) 6.5 6.9 12.1 24.2 24.3 32.2 34.2 33.0 30.7 27.6 20.7 9.5 21.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 8 5 25 30 29 21 10 0 0 128 DAYS WITH MAXIMUM TEMP. <= 0 3 2 0 0 0 0 0 0 0 0 0 1 6 TEMPERATURE RECORDS HIGHEST(C) 17.0 17.0 28.0 34.0 39.0 38.0 37.0 40.0 37.0 36.0 29.0 15.0 40.0 DAY 13 16 30 29 1 21 11 16 1 20 27 10 DIF. BETWEEN (MAX.-MIN.) (C) 7.2 7.5 8.3 12.4 9.4 10.9 9.9 11.0 10.5 11.1 10.5 6.6 9.6 MEAN DAILY TEMP. (MDT) (C) 2.9 3.2 8.0 18.0 19.6 26.7 29.2 27.5 25.5 22.1 15.4 6.2 17.0 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 19.0 25.5 172.0 255.0 201.5 134.5 50.0 1.0 0.0 858.5 HEATING DEG. DAYS(BASE 18 0C) 468.5 429.5 311.0 55.5 18.5 0.0 0.0 0.0 0.0 3.0 88.0 365.5 1739.5 DEWPOINT (MEAN C) -1.7 -1.7 2.9 9.8 12.8 17.7 19.9 17.7 17.8 14.6 7.3 1.4 9.9 MIXING RATIO (G/KG) 3.45 3.49 4.77 7.91 9.57 13.10 15.12 13.17 13.21 10.72 6.63 4.37 8.79 VAPOUR PRESSURE (HPA) 5.55 5.62 7.62 12.48 15.06 20.45 23.48 20.59 20.70 16.93 10.55 7.03 13.84 SATURATION DEF. (HPA) 2.53 2.70 4.47 11.90 9.85 17.72 19.49 19.06 14.54 12.13 8.40 3.05 10.49 RELATIVE HUMIDITY (MEAN %) 71 70 70 57 65 56 56 54 61 61 60 72 63 RELATIVE HUMIDITY (MAX. %) 84 82 84 73 79 74 73 67 77 78 74 84 77 RELATIVE HUMIDITY (MIN. %) 60 60 59 45 53 43 44 43 48 48 48 61 51 RELATIVE HUMIDITY (MEAN% 03UTC) 77 77 80 73 76 73 72 66 77 76 70 80 75 RELATIVE HUMIDITY (MEAN% 09UTC) 64 66 63 51 58 49 49 48 54 52 52 64 56 RELATIVE HUMIDITY (MEAN% 15UTC) 78 75 72 55 66 56 56 58 61 63 66 77 65 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 65.1 89.4 73.6 60.4 169.2 23.7 7.1 47.4 31.0 64.0 12.2 102.0 745.1 DAYS WITH PRECIPITATION >=10 1 3 1 2 7 0 0 2 1 2 0 4 23 DAYS WITH PRECIPITATION >= 5 9 5 8 2 8 3 1 2 3 2 1 8 52 DAYS WITH PRECIPITATION >= 1 11 11 13 5 13 6 1 3 6 5 4 13 91 DAYS WITH PRECIPITATION 14 11 15 6 14 7 2 5 6 5 7 14 106 GREATEST DAILY PRECIPITATION 13.0 26.0 12.0 35.0 30.0 7.0 7.0 34.0 10.0 35.0 7.0 21.0 35.0 DAY 19 21 19 25 3 10 16 1 13 8 6 17 DAY WITH THUNDER STORM 0 0 0 0 1 0 0 0 0 0 0 0 1 DAYS WITH SNOW OR SLEET 9 7 2 0 0 0 0 0 0 0 0 6 24 DAYS WITH DUST 0 0 1 0 0 0 0 0 0 0 0 0 1 WIND DIRECTION (PREVAILING) 225 270 45 225 225 270 270 270 270 270 270 225 270 PREVAILING WIND SPEED(KNOTS) 5.8 4.4 4.9 4.8 5.6 5.4 4.4 6.2 4.2 4.6 6.5 6.0 5.1 PREVAILING WIND PERCENT 11.0 8.3 10.3 16.7 19.4 30.7 32.3 39.4 26.7 11.0 8.0 4.5 17.1 CALMS PERCENT OF WIND 73.5 77.9 70.3 67.3 58.1 49.3 40.0 41.9 55.3 76.1 80.0 86.5 64.6 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 250 258 298 254 247 264 262 267 260 291 261 261 261 VECTOR WIND MAGNITUDE(KNOTS) 0.9 0.4 0.4 1.3 1.5 1.9 2.2 2.8 1.6 0.3 0.6 0.1 1.1 WIND STEADINESES (MEAN %) 69.2 40.0 26.7 76.5 62.5 67.9 81.5 82.4 88.9 25.0 50.0 12.5 61.1 WIND SPEED (MEAN KNOTS) 1.3 1.0 1.5 1.7 2.4 2.8 2.7 3.4 1.8 1.2 1.2 0.8 1.8 FASTEST WIND DIRECTION 230 270 270 270 270 270 270 270 240 270 270 240 230 FASTEST WIND SPEED (KNOTS) 15 8 10 8 9 10 10 12 7 8 10 9 15 DAY 14 6 18 4 1 25 15 23 2 13 15 2 DAYS WITH SKY CLEAR (0-2)/8 10 11 8 10 8 16 20 25 15 18 17 7 165 DAYS WITH P.CLOUDY (3-6)/8 8 8 6 12 10 10 8 4 11 7 6 9 99 DAYS WITH CLOUDY (7-8)/8 13 10 17 8 13 4 3 2 4 6 7 15 102 DAYS WITH VISIBILITY =< 2 KM 2 2 1 1 0 0 0 0 0 0 0 1 7 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1006.1 1007.9 1001.9 995.4 994.9 991.9 990.3 994.1 996.3 999.8 1001.2 1007.6 998.9 MAX. QFE PRESSURE IN HPA 1019.2 1022.7 1016.7 1007.2 1007.2 1001.8 996.0 1000.5 1006.2 1007.4 1011.4 1017.6 1022.7 DAY-HOUR 4-15 22- 6 20- 6 1- 6 23- 6 17- 6 16- 9 24-12 17- 6 25-15 9- 6 23- 9 MIN. QFE PRESSURE IN HPA 991.4 992.4 990.4 986.6 979.4 981.4 982.8 985.7 987.9 993.8 987.7 991.6 979.4 DAY-HOUR 13-15 17-12 25-15 3-15 6- 9 30- 3 4-15 1- 3 13-12 19- 3 3-12 16-12 MEAN QNH PRESSURE IN HPA 1007.4 1009.2 1003.2 996.7 996.2 993.2 991.5 995.3 997.5 1001.1 1002.5 1008.9 1000.2 MAX. QNH PRESSURE IN HPA 1020.5 1024.0 1018.0 1008.5 1008.5 1003.1 997.3 1001.8 1007.5 1008.7 1012.7 1018.9 1024.0 DAY-HOUR 4-15 22- 6 20- 6 1- 6 23- 6 17- 6 16- 9 24-12 17- 6 25-15 9- 6 23- 9 MIN. QNH PRESSURE IN HPA 992.7 993.7 991.7 987.9 980.7 982.7 984.1 987.0 989.2 995.1 989.0 992.9 980.7 DAY-HOUR 13-15 17-12 25-15 3-15 6- 9 30- 3 4-15 1- 3 13-12 19- 3 3-12 16-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1005.8 1007.5 1001.6 995.4 994.5 992.4 990.7 993.9 996.4 1000.0 1001.1 1007.4 998.9 MAX. QFE PRESSURE IN HPA 1016.5 1021.1 1015.6 1006.6 1006.7 999.8 995.6 999.6 1005.8 1006.9 1010.9 1015.7 1021.1 DAY 31 22 20 15 23 17 14 25 17 26 9 25 MIN. QFE PRESSURE IN HPA 992.5 992.6 990.7 987.2 980.3 981.4 984.1 985.7 989.7 993.8 988.6 993.8 980.3 DAY 14 17 12 22 6 30 6 1 1 19 4 16 MEAN QNH PRESSURE IN HPA 1007.1 1008.8 1002.9 996.7 995.8 993.6 992.0 995.2 997.6 1001.2 1002.4 1008.6 1000.2 MAX. QNH PRESSURE IN HPA 1017.8 1022.4 1016.9 1007.9 1008.0 1001.1 996.9 1000.9 1007.1 1008.2 1012.2 1017.0 1022.4 DAY 31 22 20 15 23 17 14 25 17 26 9 25 MIN. QNH PRESSURE IN HPA 993.8 993.9 992.0 988.5 981.6 982.7 985.4 987.0 991.0 995.1 989.9 995.1 981.6 DAY 14 17 12 22 6 30 6 1 1 19 4 16 MEAN QFF PRESSURE IN HPA 1007.4 1009.1 1003.2 996.9 996.1 993.9 992.2 995.4 997.9 1001.5 1002.7 1009.0 1000.4 MAX. QFF PRESSURE IN HPA 1018.2 1022.8 1017.3 1008.2 1008.3 1001.3 997.1 1001.1 1007.3 1008.4 1012.5 1017.4 1022.8 DAY 31 22 20 15 23 17 14 25 17 26 9 25 MIN. QFF PRESSURE IN HPA 994.1 994.2 992.3 988.7 981.8 982.9 985.6 987.2 991.2 995.3 990.1 995.4 981.8 DAY 14 17 12 22 6 30 6 1 1 19 4 16 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GORGAN (40738) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 51 N LONGITUDE 54 16 E DATA PROCESSING CENTER ELEVATION 13.3 M MEANS AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1007.4 1009.0 1002.6 996.4 995.4 992.7 991.2 994.8 997.3 1000.8 1002.0 1008.3 999.8 MAX. QFE PRESSURE IN HPA 1017.6 1022.7 1016.7 1007.2 1007.2 1001.8 995.4 999.8 1006.2 1007.3 1011.4 1017.3 1022.7 DAY 31 22 20 1 23 17 26 25 17 26 9 23 MIN. QFE PRESSURE IN HPA 994.0 995.9 992.2 988.1 980.5 982.1 984.9 987.7 990.5 994.6 989.8 993.4 980.5 DAY 14 17 18 22 6 30 6 17 13 20 3 16 MEAN QNH PRESSURE IN HPA 1008.7 1010.3 1003.9 997.7 996.7 994.0 992.5 996.1 998.6 1002.1 1003.3 1009.6 1001.1 MAX. QNH PRESSURE IN HPA 1018.9 1024.0 1018.0 1008.5 1008.5 1003.1 996.7 1001.1 1007.5 1008.6 1012.7 1018.6 1024.0 DAY 31 22 20 1 23 17 26 25 17 26 9 23 MIN. QNH PRESSURE IN HPA 995.3 997.2 993.5 989.4 981.8 983.4 986.2 989.0 991.8 995.9 991.1 994.7 981.8 DAY 14 17 18 22 6 30 6 17 13 20 3 16 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1006.6 1008.7 1002.2 996.1 995.1 992.3 990.8 994.5 996.7 1000.1 1001.5 1008.0 999.4 MAX. QFE PRESSURE IN HPA 1017.1 1022.1 1015.7 1006.7 1007.2 1000.7 996.0 1000.4 1005.4 1005.5 1010.4 1017.6 1022.1 DAY 31 22 20 1 23 17 16 24 17 26 11 23 MIN. QFE PRESSURE IN HPA 994.0 996.0 992.6 988.5 979.4 982.6 984.1 987.7 988.9 995.7 988.7 993.0 979.4 DAY 13 16 18 22 6 30 6 17 13 20 3 16 MEAN QNH PRESSURE IN HPA 1007.9 1010.0 1003.5 997.4 996.4 993.6 992.0 995.7 998.0 1001.4 1002.8 1009.3 1000.7 MAX. QNH PRESSURE IN HPA 1018.4 1023.4 1017.0 1008.0 1008.5 1002.0 997.3 1001.7 1006.7 1006.8 1011.7 1018.9 1023.4 DAY 31 22 20 1 23 17 16 24 17 26 11 23 MIN. QNH PRESSURE IN HPA 995.3 997.3 993.9 989.8 980.7 983.9 985.4 989.0 990.2 997.0 990.0 994.3 980.7 DAY 13 16 18 22 6 30 6 17 13 20 3 16 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1005.2 1006.9 1001.6 994.6 994.7 991.3 989.5 993.6 995.5 999.0 1000.4 1006.9 998.3 MAX. QFE PRESSURE IN HPA 1017.4 1020.7 1014.6 1005.6 1005.6 999.3 994.4 1000.5 1005.2 1005.6 1009.4 1017.4 1020.7 DAY 4 22 20 1 22 17 16 24 17 8 11 23 MIN. QFE PRESSURE IN HPA 991.9 992.4 991.0 986.9 982.2 982.0 982.9 987.6 987.9 993.8 987.7 991.6 982.0 DAY 13 17 25 3 6 30 6 16 13 20 3 16 MEAN QNH PRESSURE IN HPA 1006.5 1008.1 1002.9 995.8 996.0 992.6 990.8 994.9 996.8 1000.3 1001.7 1008.2 999.5 MAX. QNH PRESSURE IN HPA 1018.7 1022.0 1015.9 1006.9 1006.9 1000.6 995.7 1001.8 1006.5 1006.9 1010.7 1018.7 1022.0 DAY 4 22 20 1 22 17 16 24 17 8 11 23 MIN. QNH PRESSURE IN HPA 993.2 993.7 992.3 988.2 983.5 983.3 984.2 988.9 989.2 995.1 989.0 992.9 983.3 DAY 13 17 25 3 6 30 6 16 13 20 3 16 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****