STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MINIMUN AIR TEMPERATURE (C) 5.1 7.0 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAYS WITH MINIMUM TEMP. >=21 0 0 **** **** **** **** **** **** **** **** **** **** **** DAYS WITH MINIMUM TEMP. <=-4 0 0 **** **** **** **** **** **** **** **** **** **** **** DAYS WITH FREEZING MIN.<= 0 2 0 **** **** **** **** **** **** **** **** **** **** **** TEMPERATURE RECORDS LOWEST(C) 0.0 3.0 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAY 25 8 ** ** ** ** ** ** ** ** ** ** MAXIMUM AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAYS WITH MAXIMUM TEMP. >=30 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH MAXIMUM TEMP. <= 0 **** **** **** **** **** **** **** **** **** **** **** **** **** TEMPERATURE RECORDS HIGHEST(C)***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAY ** ** ** ** ** ** ** ** ** ** ** ** DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** COOLING DEG. DAYS(BASE 21 0C)****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** HEATING DEG. DAYS(BASE 18 0C)****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 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. 0.0 0.0 ****** ****** ****** 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ****** DAYS WITH PRECIPITATION >=10 0 0 **** **** **** 0 0 0 0 0 0 0 **** DAYS WITH PRECIPITATION >= 5 0 0 **** **** **** 0 0 0 0 0 0 0 **** DAYS WITH PRECIPITATION >= 1 0 0 **** **** **** 0 0 0 0 0 0 0 **** DAYS WITH PRECIPITATION 0 0 **** **** **** 0 0 0 0 0 0 0 **** GREATEST DAILY PRECIPITATION 0.0 0.0 ****** ****** ****** 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** DAY WITH THUNDER STORM 0 0 **** **** **** 0 0 0 0 0 0 0 **** DAYS WITH SNOW OR SLEET 0 0 **** **** **** 0 0 0 0 0 0 0 **** DAYS WITH DUST 0 0 **** **** **** 0 0 6 0 0 0 1 **** WIND DIRECTION (PREVAILING) *** *** *** *** *** *** *** *** *** *** *** *** *** PREVAILING WIND SPEED(KNOTS) **** **** **** **** **** **** **** **** **** **** **** **** **** PREVAILING WIND PERCENT ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** CALMS PERCENT OF WIND ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** NO. OF WIND OBSERVATION 80 67 **** **** **** 93 62 48 49 66 110 97 672 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 11 9 **** **** **** 24 26 19 23 21 18 15 **** DAYS WITH P.CLOUDY (3-6)/8 5 7 **** **** **** 0 0 5 1 4 8 10 **** DAYS WITH CLOUDY (7-8)/8 9 7 **** **** **** 0 0 0 0 0 3 5 **** DAYS WITH VISIBILITY =< 2 KM 9 1 **** **** **** 0 0 0 0 0 0 1 **** DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1951 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1951 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1951 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.5 14.6 18.6 25.8 ***** ***** ***** 39.0 35.6 29.0 21.9 15.5 ***** MINIMUN AIR TEMPERATURE (C) ***** ***** ***** 16.3 ***** ***** ***** ***** ***** ***** ***** ***** ***** DAYS WITH MINIMUM TEMP. >=21 **** **** **** 4 **** **** **** **** **** **** **** **** **** DAYS WITH MINIMUM TEMP. <=-4 **** **** **** 0 **** **** **** **** **** **** **** **** **** DAYS WITH FREEZING MIN.<= 0 **** **** **** 0 **** **** **** **** **** **** **** **** **** TEMPERATURE RECORDS LOWEST(C) ***** ***** ***** 6.0 ***** ***** ***** ***** ***** ***** ***** ***** ***** DAY ** ** ** 23 ** ** ** ** ** ** ** ** MAXIMUM AIR TEMPERATURE (C) ***** 20.9 ***** 35.1 ***** ***** ***** 46.5 ***** 40.7 26.0 ***** ***** DAYS WITH MAXIMUM TEMP. >=30 **** 0 **** 19 **** **** **** 31 **** 18 11 **** **** DAYS WITH MAXIMUM TEMP. <= 0 **** 0 **** 0 **** **** **** 0 **** 0 0 **** **** TEMPERATURE RECORDS HIGHEST(C)***** 27.0 ***** 42.0 ***** ***** ***** 48.0 ***** 44.0 34.0 ***** ***** DAY ** 8 ** 8 ** ** ** 24 ** 1 1 ** DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** 18.8 ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** 25.7 ***** ***** ***** ***** ***** ***** ***** ***** ***** COOLING DEG. DAYS(BASE 21 0C)****** ****** ****** 86.0 ****** ****** ****** 0.0 ****** ****** 0.0 ****** ****** HEATING DEG. DAYS(BASE 18 0C)****** ****** ****** 0.0 ****** ****** ****** 0.0 ****** ****** 2.5 ****** ****** 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. 0.0 0.0 0.0 0.0 0.0 ****** ****** 0.0 0.0 0.0 0.0 0.0 ****** DAYS WITH PRECIPITATION >=10 0 0 0 0 0 **** **** 0 0 0 0 0 **** DAYS WITH PRECIPITATION >= 5 0 0 0 0 0 **** **** 0 0 0 0 0 **** DAYS WITH PRECIPITATION >= 1 0 0 0 0 0 **** **** 0 0 0 0 0 **** DAYS WITH PRECIPITATION 0 0 0 0 0 **** **** 0 0 0 0 0 **** GREATEST DAILY PRECIPITATION 0.0 0.0 0.0 0.0 0.0 ****** ****** 0.0 0.0 0.0 0.0 0.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** DAY WITH THUNDER STORM 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 **** DAYS WITH DUST 0 0 1 5 1 **** **** 1 0 0 0 0 **** WIND DIRECTION (PREVAILING) 360 360 270 270 *** *** *** 270 270 270 270 270 *** PREVAILING WIND SPEED(KNOTS) 3.4 3.6 3.5 3.6 **** **** **** 5.1 3.8 3.8 4.9 4.3 **** PREVAILING WIND PERCENT 29.5 26.8 25.9 21.5 ***** ***** ***** 30.3 26.0 31.2 38.3 32.9 ***** CALMS PERCENT OF WIND 6.6 7.9 8.2 7.9 ***** ***** ***** 6.5 5.3 4.3 5.0 7.1 ***** NO. OF WIND OBSERVATION 244 164 158 177 45 **** **** 155 150 141 120 155 1509 VECTOR WIND DIRECTION (MEAN) 6 321 289 308 *** *** *** 249 264 298 292 306 *** VECTOR WIND MAGNITUDE(KNOTS) 1.0 1.6 1.0 0.6 **** **** **** 1.9 1.2 2.0 2.7 1.0 **** WIND STEADINESES (MEAN %) 32.3 51.6 26.3 14.3 ***** ***** ***** 43.2 34.3 55.6 65.9 18.5 ***** WIND SPEED (MEAN KNOTS) 3.1 3.1 3.8 4.2 **** **** **** 4.4 3.5 3.6 4.1 5.4 **** FASTEST WIND DIRECTION 360 360 300 300 *** *** *** 270 360 310 270 90 *** FASTEST WIND SPEED (KNOTS) 27 6 30 31 *** *** *** 25 10 10 13 30 *** DAY 27 5 9 16 ** ** ** 19 10 22 18 22 DAYS WITH SKY CLEAR (0-2)/8 16 13 22 19 20 **** **** 28 30 26 22 15 **** DAYS WITH P.CLOUDY (3-6)/8 8 8 4 9 4 **** **** 3 0 3 4 8 **** DAYS WITH CLOUDY (7-8)/8 7 3 2 0 0 **** **** 0 0 0 4 8 **** DAYS WITH VISIBILITY =< 2 KM 0 0 0 1 0 **** **** 4 0 0 0 3 **** DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.9 15.1 16.8 26.6 33.0 37.2 39.1 39.1 35.1 30.8 ***** ***** ***** MINIMUN AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAYS WITH MINIMUM TEMP. >=21 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH MINIMUM TEMP. <=-4 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH FREEZING MIN.<= 0 **** **** **** **** **** **** **** **** **** **** **** **** **** TEMPERATURE RECORDS LOWEST(C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAY ** ** ** ** ** ** ** ** ** ** ** ** MAXIMUM AIR TEMPERATURE (C) 19.7 20.4 22.5 32.6 39.7 44.7 ***** 46.2 43.1 37.9 25.4 17.2 ***** DAYS WITH MAXIMUM TEMP. >=30 0 0 0 22 31 29 **** 31 29 30 9 0 **** DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 **** 0 0 0 0 0 **** TEMPERATURE RECORDS HIGHEST(C) 26.0 25.0 29.0 40.0 43.0 48.0 ***** 49.0 47.0 44.0 33.0 25.0 ***** DAY 22 19 1 27 2 27 ** 17 1 9 8 27 DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** COOLING DEG. DAYS(BASE 21 0C) 0.0 ****** 0.0 0.0 0.0 ****** ****** 0.0 ****** 0.0 ****** 0.0 ****** HEATING DEG. DAYS(BASE 18 0C) 0.0 ****** 0.0 0.0 0.0 ****** ****** 0.0 ****** 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. 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 1 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION 0 0 0 0 0 0 0 0 0 0 0 0 0 GREATEST DAILY PRECIPITATION 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 DAY ** ** ** ** ** ** ** ** ** ** ** ** DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 1 0 1 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 6 5 5 2 2 2 8 6 2 3 2 1 44 WIND DIRECTION (PREVAILING) 270 270 270 360 270 315 270 270 270 180 *** *** *** PREVAILING WIND SPEED(KNOTS) 4.4 4.9 7.5 7.8 7.1 9.6 9.6 8.4 8.5 6.2 **** **** **** PREVAILING WIND PERCENT 22.6 24.3 34.2 35.3 26.0 34.5 29.0 39.4 27.9 20.6 ***** ***** ***** CALMS PERCENT OF WIND 5.8 8.6 5.2 4.0 5.2 4.8 3.9 0.6 8.8 3.2 ***** ***** ***** NO. OF WIND OBSERVATION 155 140 155 150 154 145 155 155 147 155 108 93 1712 VECTOR WIND DIRECTION (MEAN) 344 307 302 351 311 304 261 277 274 277 *** *** *** VECTOR WIND MAGNITUDE(KNOTS) 1.2 1.8 4.4 1.0 4.1 6.7 3.8 4.5 3.7 1.1 **** **** **** WIND STEADINESES (MEAN %) 21.1 28.1 60.3 12.7 59.4 74.4 37.6 47.9 55.2 17.5 ***** ***** ***** WIND SPEED (MEAN KNOTS) 5.7 6.4 7.3 7.9 6.9 9.0 10.1 9.4 6.7 6.3 **** **** **** FASTEST WIND DIRECTION 90 130 310 270 270 310 130 270 180 360 *** *** *** FASTEST WIND SPEED (KNOTS) 27 33 30 33 40 33 41 30 31 38 *** *** *** DAY 8 10 13 6 11 29 25 12 6 25 ** ** DAYS WITH SKY CLEAR (0-2)/8 11 9 13 12 16 22 28 27 29 21 10 10 208 DAYS WITH P.CLOUDY (3-6)/8 14 10 10 12 12 7 3 4 1 6 10 11 100 DAYS WITH CLOUDY (7-8)/8 6 9 8 6 3 0 0 0 0 4 10 10 56 DAYS WITH VISIBILITY =< 2 KM 9 1 2 0 0 1 0 0 1 2 0 0 16 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 14.2 ***** MINIMUN AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 10.1 ***** DAYS WITH MINIMUM TEMP. >=21 **** **** **** **** **** **** **** **** **** **** **** 0 **** DAYS WITH MINIMUM TEMP. <=-4 **** **** **** **** **** **** **** **** **** **** **** 0 **** DAYS WITH FREEZING MIN.<= 0 **** **** **** **** **** **** **** **** **** **** **** 0 **** TEMPERATURE RECORDS LOWEST(C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 6.0 ***** DAY ** ** ** ** ** ** ** ** ** ** ** 11 MAXIMUM AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAYS WITH MAXIMUM TEMP. >=30 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH MAXIMUM TEMP. <= 0 **** **** **** **** **** **** **** **** **** **** **** **** **** TEMPERATURE RECORDS HIGHEST(C)***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAY ** ** ** ** ** ** ** ** ** ** ** ** DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** COOLING DEG. DAYS(BASE 21 0C)****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 ****** HEATING DEG. DAYS(BASE 18 0C)****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 9.0 ****** 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. ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 ****** DAYS WITH PRECIPITATION >=10 **** **** **** **** **** **** **** **** **** **** **** 0 **** DAYS WITH PRECIPITATION >= 5 **** **** **** **** **** **** **** **** **** **** **** 0 **** DAYS WITH PRECIPITATION >= 1 **** **** **** **** **** **** **** **** **** **** **** 0 **** DAYS WITH PRECIPITATION **** **** **** **** **** **** **** **** **** **** **** 0 **** GREATEST DAILY PRECIPITATION ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** DAY WITH THUNDER STORM **** **** **** **** **** **** **** **** **** **** **** 0 **** DAYS WITH SNOW OR SLEET **** **** **** **** **** **** **** **** **** **** **** 0 **** DAYS WITH DUST **** **** **** **** **** **** **** **** **** **** **** 0 **** WIND DIRECTION (PREVAILING) *** *** *** *** *** *** *** *** *** *** *** 270 *** PREVAILING WIND SPEED(KNOTS) **** **** **** **** **** **** **** **** **** **** **** 3.6 **** PREVAILING WIND PERCENT ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 31.7 ***** CALMS PERCENT OF WIND ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 4.0 ***** NO. OF WIND OBSERVATION **** **** **** **** **** **** **** **** **** **** **** 126 126 VECTOR WIND DIRECTION (MEAN) *** *** *** *** *** *** *** *** *** *** *** 314 *** VECTOR WIND MAGNITUDE(KNOTS) **** **** **** **** **** **** **** **** **** **** **** 1.5 **** WIND STEADINESES (MEAN %) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 37.5 ***** WIND SPEED (MEAN KNOTS) **** **** **** **** **** **** **** **** **** **** **** 4.0 **** FASTEST WIND DIRECTION *** *** *** *** *** *** *** *** *** *** *** 310 *** FASTEST WIND SPEED (KNOTS) *** *** *** *** *** *** *** *** *** *** *** 16 *** DAY ** ** ** ** ** ** ** ** ** ** ** 2 DAYS WITH SKY CLEAR (0-2)/8 **** **** **** **** **** **** **** **** **** **** **** 6 **** DAYS WITH P.CLOUDY (3-6)/8 **** **** **** **** **** **** **** **** **** **** **** 7 **** DAYS WITH CLOUDY (7-8)/8 **** **** **** **** **** **** **** **** **** **** **** 17 **** DAYS WITH VISIBILITY =< 2 KM **** **** **** **** **** **** **** **** **** **** **** 17 **** DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.2 ***** 19.7 26.1 32.6 38.3 39.1 37.1 34.2 28.0 ***** ***** ***** MINIMUN AIR TEMPERATURE (C) 6.7 8.5 11.2 14.1 20.3 24.4 25.5 23.9 20.5 14.5 ***** ***** ***** DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 16 26 31 30 17 0 **** **** **** DAYS WITH MINIMUM TEMP. <=-4 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 **** **** **** TEMPERATURE RECORDS LOWEST(C) 2.0 3.0 5.0 10.0 13.0 20.0 22.0 20.0 13.0 11.0 ***** ***** ***** DAY 10 25 9 11 6 16 5 12 30 25 ** ** MAXIMUM AIR TEMPERATURE (C) 17.4 ***** ***** ***** 39.0 45.1 ***** ***** ***** 35.5 ***** ***** ***** DAYS WITH MAXIMUM TEMP. >=30 0 **** **** **** 30 27 **** **** **** 17 **** **** **** DAYS WITH MAXIMUM TEMP. <= 0 0 **** **** **** 0 0 **** **** **** 0 **** **** **** TEMPERATURE RECORDS HIGHEST(C) 20.0 ***** ***** ***** 46.0 51.0 ***** ***** ***** 45.0 ***** ***** ***** DAY 19 ** ** ** 20 29 ** ** ** 16 ** ** DIF. BETWEEN (MAX.-MIN.) (C) 10.7 ***** ***** ***** 18.7 20.7 ***** ***** ***** 21.0 ***** ***** ***** MEAN DAILY TEMP. (MDT) (C) 12.1 ***** ***** ***** 29.7 34.7 ***** ***** ***** 25.0 ***** ***** ***** COOLING DEG. DAYS(BASE 21 0C) 0.0 ****** 0.0 19.5 263.5 370.5 163.0 0.0 0.0 64.0 ****** ****** ****** HEATING DEG. DAYS(BASE 18 0C) 101.5 ****** 0.0 0.0 0.0 0.0 0.0 0.0 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. 0.0 0.0 0.6 1.0 2.0 0.0 0.0 0.0 0.0 0.0 ****** ****** ****** DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 **** **** **** DAYS WITH PRECIPITATION >= 5 0 0 0 0 0 0 0 0 0 0 **** **** **** DAYS WITH PRECIPITATION >= 1 0 0 0 1 2 0 0 0 0 0 **** **** **** DAYS WITH PRECIPITATION 0 0 1 3 3 0 0 0 0 0 **** **** **** GREATEST DAILY PRECIPITATION 0.0 0.0 0.6 1.0 1.0 0.0 0.0 0.0 0.0 0.0 ****** ****** ****** DAY ** ** 17 7 2 ** ** ** ** ** ** ** DAY WITH THUNDER STORM 0 0 0 0 1 0 0 0 0 0 **** **** **** DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 **** **** **** DAYS WITH DUST 2 1 3 0 2 1 1 0 0 0 **** **** **** WIND DIRECTION (PREVAILING) 270 *** 180 270 270 180 270 270 270 270 *** *** *** PREVAILING WIND SPEED(KNOTS) 3.0 **** 10.0 6.0 8.1 5.4 5.6 4.6 3.8 4.4 **** **** **** PREVAILING WIND PERCENT 35.0 ***** 25.0 28.0 20.1 26.9 38.5 29.8 28.3 23.4 ***** ***** ***** CALMS PERCENT OF WIND 13.3 ***** 2.4 3.2 6.5 10.3 2.2 4.0 9.2 3.5 ***** ***** ***** NO. OF WIND OBSERVATION 143 118 124 125 154 145 135 124 120 141 **** **** 1329 VECTOR WIND DIRECTION (MEAN) 297 *** 164 245 303 247 261 260 275 240 *** *** *** VECTOR WIND MAGNITUDE(KNOTS) 1.4 **** 2.2 1.8 2.2 2.9 3.6 2.5 1.6 1.2 **** **** **** WIND STEADINESES (MEAN %) 35.0 ***** 32.4 30.5 31.9 50.9 64.3 53.2 41.0 27.3 ***** ***** ***** WIND SPEED (MEAN KNOTS) 4.0 **** 6.8 5.9 6.9 5.7 5.6 4.7 3.9 4.4 **** **** **** FASTEST WIND DIRECTION 360 *** 130 270 180 230 310 360 360 360 *** *** *** FASTEST WIND SPEED (KNOTS) 30 *** 39 30 55 30 46 21 24 30 *** *** *** DAY 14 ** 16 19 15 10 12 30 13 18 ** ** DAYS WITH SKY CLEAR (0-2)/8 16 18 8 20 19 29 31 30 30 28 **** **** **** DAYS WITH P.CLOUDY (3-6)/8 6 7 14 5 8 0 0 1 0 3 **** **** **** DAYS WITH CLOUDY (7-8)/8 9 2 9 5 4 0 0 0 0 0 **** **** **** DAYS WITH VISIBILITY =< 2 KM 12 3 2 0 2 0 1 0 1 0 **** **** **** DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1956 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MINIMUN AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAYS WITH MINIMUM TEMP. >=21 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH MINIMUM TEMP. <=-4 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH FREEZING MIN.<= 0 **** **** **** **** **** **** **** **** **** **** **** **** **** TEMPERATURE RECORDS LOWEST(C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAY ** ** ** ** ** ** ** ** ** ** ** ** MAXIMUM AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAYS WITH MAXIMUM TEMP. >=30 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH MAXIMUM TEMP. <= 0 **** **** **** **** **** **** **** **** **** **** **** **** **** TEMPERATURE RECORDS HIGHEST(C)***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAY ** ** ** ** ** ** ** ** ** ** ** ** DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** COOLING DEG. DAYS(BASE 21 0C)****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** HEATING DEG. DAYS(BASE 18 0C)****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 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. ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAYS WITH PRECIPITATION >=10 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH PRECIPITATION >= 5 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH PRECIPITATION >= 1 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH PRECIPITATION **** **** **** **** **** **** **** **** **** **** **** **** **** GREATEST DAILY PRECIPITATION ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** DAY WITH THUNDER STORM **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH SNOW OR SLEET **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH DUST **** **** **** **** **** **** **** **** **** **** **** **** **** WIND DIRECTION (PREVAILING) *** *** *** *** *** *** *** *** *** *** *** *** *** PREVAILING WIND SPEED(KNOTS) **** **** **** **** **** **** **** **** **** **** **** **** **** PREVAILING WIND PERCENT ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** CALMS PERCENT OF WIND ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** NO. OF WIND OBSERVATION **** **** **** **** **** **** **** **** **** **** **** **** 0 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 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH P.CLOUDY (3-6)/8 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH CLOUDY (7-8)/8 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH VISIBILITY =< 2 KM **** **** **** **** **** **** **** **** **** **** **** **** **** DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1957 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.1 14.7 20.3 24.0 30.0 37.6 39.8 40.0 36.0 29.6 20.3 13.1 26.4 MINIMUN AIR TEMPERATURE (C) 5.8 8.0 12.2 16.8 20.6 23.7 26.7 26.6 23.8 19.5 13.9 8.2 17.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 17 30 31 31 28 10 0 0 149 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 2 2 TEMPERATURE RECORDS LOWEST(C) 1.0 2.0 6.0 10.0 15.0 21.0 24.0 23.0 19.0 14.0 6.0 -1.0 -1.0 DAY 8 6 12 6 1 6 6 28 26 13 24 30 MAXIMUM AIR TEMPERATURE (C) 15.4 20.3 25.5 28.7 35.2 44.2 46.6 47.2 43.2 36.7 25.5 17.3 32.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 14 28 30 31 31 30 31 8 0 205 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 28.0 30.0 35.0 44.0 49.0 50.0 50.0 47.0 43.0 35.0 21.0 50.0 DAY 31 19 25 15 31 26 29 6 1 1 3 1 DIF. BETWEEN (MAX.-MIN.) (C) 9.6 12.3 13.3 11.9 14.6 20.5 19.9 20.6 19.4 17.2 11.6 9.1 15.1 MEAN DAILY TEMP. (MDT) (C) 10.6 14.1 18.9 22.7 27.9 33.9 36.7 36.9 33.5 28.1 19.7 12.8 24.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 7.0 68.5 214.5 388.0 486.0 492.5 374.0 219.5 32.0 0.0 2282.0 HEATING DEG. DAYS(BASE 18 0C) 229.0 111.5 22.5 2.0 0.0 0.0 0.0 0.0 0.0 0.0 21.0 162.5 548.5 DEWPOINT (MEAN C) 7.2 9.8 13.2 15.5 17.8 22.8 19.5 17.7 22.0 18.3 14.5 9.2 15.6 MIXING RATIO (G/KG) 6.45 7.64 9.63 11.19 12.96 18.15 14.96 13.15 17.53 13.73 10.42 7.49 11.94 VAPOUR PRESSURE (HPA) 10.43 12.35 15.46 17.86 20.58 28.30 23.37 20.68 27.49 21.80 16.74 12.14 18.93 SATURATION DEF. (HPA) 3.20 5.41 9.34 13.25 24.09 40.81 53.77 57.56 35.69 22.17 8.40 3.49 23.10 RELATIVE HUMIDITY (MEAN %) 79 75 66 63 52 45 35 31 48 55 73 79 58 RELATIVE HUMIDITY (MAX. %) 94 94 88 85 80 73 65 57 75 78 91 93 81 RELATIVE HUMIDITY (MIN. %) 64 60 51 49 37 33 22 20 33 39 57 66 44 RELATIVE HUMIDITY (MEAN% 03UTC) 92 92 87 83 80 71 65 57 74 77 90 93 80 RELATIVE HUMIDITY (MEAN% 09UTC) 77 71 58 56 40 36 25 22 38 44 61 74 50 RELATIVE HUMIDITY (MEAN% 15UTC) 76 69 61 57 47 39 24 23 40 53 75 77 53 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 30.6 70.0 19.4 55.8 14.7 0.0 0.0 0.0 0.0 0.0 66.3 22.6 279.4 DAYS WITH PRECIPITATION >=10 0 2 1 2 1 0 0 0 0 0 1 1 8 DAYS WITH PRECIPITATION >= 5 4 2 1 2 1 0 0 0 0 0 7 2 19 DAYS WITH PRECIPITATION >= 1 5 5 4 4 3 0 0 0 0 0 10 3 34 DAYS WITH PRECIPITATION 6 5 7 8 4 0 0 0 0 0 10 4 44 GREATEST DAILY PRECIPITATION 9.0 32.0 12.0 42.0 10.4 0.0 0.0 0.0 0.0 0.0 18.0 13.0 42.0 DAY 9 26 25 29 7 ** ** ** ** ** 29 5 DAY WITH THUNDER STORM 0 1 0 1 1 0 0 0 0 0 0 0 3 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 0 1 1 5 3 1 3 2 0 0 16 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 2.5 1.9 3.5 6.6 7.2 10.1 9.4 7.9 7.1 6.9 6.4 5.8 6.5 PREVAILING WIND PERCENT 44.5 28.6 31.0 28.7 26.5 53.3 47.7 55.5 43.3 27.1 48.7 65.8 41.8 CALMS PERCENT OF WIND 7.1 2.9 2.6 2.7 1.3 1.3 1.3 0.0 0.7 0.6 2.0 4.5 2.2 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 223 167 269 221 257 274 263 264 265 261 257 269 261 VECTOR WIND MAGNITUDE(KNOTS) 0.9 0.9 0.6 1.2 2.6 6.8 5.4 4.9 3.8 2.5 3.4 3.8 2.9 WIND STEADINESES (MEAN %) 33.3 29.0 17.6 17.9 36.6 80.0 76.1 72.1 58.5 43.9 54.0 74.5 50.0 WIND SPEED (MEAN KNOTS) 2.7 3.1 3.4 6.7 7.1 8.5 7.1 6.8 6.5 5.7 6.3 5.1 5.8 FASTEST WIND DIRECTION 150 130 90 330 180 270 280 270 330 320 230 270 230 FASTEST WIND SPEED (KNOTS) 20 27 20 26 26 26 26 18 18 20 38 18 38 DAY 30 26 12 23 18 20 2 24 25 3 18 10 DAYS WITH SKY CLEAR (0-2)/8 11 15 18 14 14 29 31 31 29 24 11 10 237 DAYS WITH P.CLOUDY (3-6)/8 10 6 10 9 14 1 0 0 1 6 14 16 87 DAYS WITH CLOUDY (7-8)/8 10 7 3 7 3 0 0 0 0 1 5 5 41 DAYS WITH VISIBILITY =< 2 KM 3 2 0 1 0 1 2 0 1 0 0 12 22 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1017.8 1018.9 1014.7 1011.3 1008.9 1000.5 997.0 999.9 1006.2 1012.2 1017.1 1022.2 1010.5 MAX. QFE PRESSURE IN HPA 1027.6 1027.3 1021.5 1016.7 1014.9 1005.5 1003.9 1004.4 1013.1 1018.2 1023.9 1030.2 1030.2 DAY-HOUR 14- 6 6- 6 18- 6 11- 3 3- 3 16- 6 5- 3 4- 3 30- 6 29- 6 25- 6 30- 6 MIN. QFE PRESSURE IN HPA 1003.4 1004.8 1004.7 1000.1 1000.3 995.5 991.1 993.4 998.4 1004.0 1008.2 1011.5 991.1 DAY-HOUR 19-12 26-15 14- 3 1-12 31-12 30-15 20-12 8-12 1-12 11-12 17-12 6-15 MEAN QNH PRESSURE IN HPA 1020.2 1021.3 1017.1 1013.7 1011.3 1002.9 999.4 1002.2 1008.6 1014.6 1019.5 1024.6 1012.9 MAX. QNH PRESSURE IN HPA 1030.0 1029.7 1023.9 1019.1 1017.3 1007.9 1006.3 1006.8 1015.5 1020.6 1026.3 1032.6 1032.6 DAY-HOUR 14- 6 6- 6 18- 6 11- 3 3- 3 16- 6 5- 3 4- 3 30- 6 29- 6 25- 6 30- 6 MIN. QNH PRESSURE IN HPA 1005.8 1007.2 1007.1 1002.5 1002.7 997.9 993.5 995.8 1000.8 1006.4 1010.6 1013.9 993.5 DAY-HOUR 19-12 26-15 14- 3 1-12 31-12 30-15 20-12 8-12 1-12 11-12 17-12 6-15 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 1018.0 1019.4 1015.6 1012.5 1010.2 1001.5 997.7 1000.5 1006.7 1012.6 1017.2 1022.0 1011.1 MAX. QFE PRESSURE IN HPA 1026.2 1026.7 1021.3 1016.7 1014.9 1005.5 1003.9 1004.4 1012.2 1017.3 1022.4 1029.3 1029.3 DAY 14 7 18 11 3 17 5 4 30 30 25 31 MIN. QFE PRESSURE IN HPA 1005.6 1010.4 1004.7 1003.1 1002.2 996.5 993.0 994.1 1000.7 1007.0 1010.7 1013.6 993.0 DAY 19 27 14 1 31 29 20 8 1 11 7 7 MEAN QNH PRESSURE IN HPA 1020.4 1021.8 1018.0 1014.9 1012.6 1003.8 1000.0 1002.9 1009.1 1015.0 1019.6 1024.4 1013.5 MAX. QNH PRESSURE IN HPA 1028.6 1029.1 1023.7 1019.1 1017.3 1007.9 1006.3 1006.8 1014.6 1019.7 1024.8 1031.7 1031.7 DAY 14 7 18 11 3 17 5 4 30 30 25 31 MIN. QNH PRESSURE IN HPA 1008.0 1012.8 1007.1 1005.5 1004.6 998.9 995.4 996.5 1003.1 1009.4 1013.1 1016.0 995.4 DAY 19 27 14 1 31 29 20 8 1 11 7 7 MEAN QFF PRESSURE IN HPA 1020.9 1022.1 1018.3 1015.2 1012.8 1003.9 1000.1 1003.0 1009.2 1015.1 1019.9 1024.7 1013.8 MAX. QFF PRESSURE IN HPA 1029.0 1029.5 1024.0 1019.3 1017.5 1008.0 1006.4 1006.9 1014.8 1019.9 1025.2 1032.1 1032.1 DAY 14 7 18 11 3 17 5 4 30 30 25 31 MIN. QFF PRESSURE IN HPA 1008.3 1013.1 1007.3 1005.7 1004.7 999.0 995.4 996.5 1003.2 1009.5 1013.3 1016.3 995.4 DAY 19 27 14 1 31 29 20 8 1 11 7 7 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1019.1 1020.0 1015.7 1012.3 1009.9 1001.3 997.8 1000.8 1007.4 1013.5 1018.3 1023.2 1011.6 MAX. QFE PRESSURE IN HPA 1027.6 1027.3 1021.5 1016.5 1014.6 1005.5 1003.8 1004.2 1013.1 1018.2 1023.9 1030.2 1030.2 DAY 14 6 18 11 3 16 5 4 30 29 25 30 MIN. QFE PRESSURE IN HPA 1008.5 1011.4 1005.0 1003.0 1001.9 996.9 993.3 994.6 1001.2 1007.0 1012.7 1015.5 993.3 DAY 19 26 14 1 31 29 20 8 1 11 8 7 MEAN QNH PRESSURE IN HPA 1021.5 1022.4 1018.1 1014.7 1012.3 1003.7 1000.2 1003.2 1009.8 1015.9 1020.8 1025.6 1014.0 MAX. QNH PRESSURE IN HPA 1030.0 1029.7 1023.9 1018.9 1017.0 1007.9 1006.2 1006.6 1015.5 1020.6 1026.3 1032.6 1032.6 DAY 14 6 18 11 3 16 5 4 30 29 25 30 MIN. QNH PRESSURE IN HPA 1010.9 1013.8 1007.4 1005.4 1004.3 999.3 995.7 997.0 1003.6 1009.4 1015.1 1017.9 995.7 DAY 19 26 14 1 31 29 20 8 1 11 8 7 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 1018.2 1019.4 1015.1 1011.7 1009.4 1000.8 997.4 1000.4 1006.7 1012.8 1017.6 1022.7 1011.0 MAX. QFE PRESSURE IN HPA 1027.3 1027.0 1020.8 1016.0 1013.9 1005.0 1002.7 1003.5 1011.9 1018.0 1022.9 1029.4 1029.4 DAY 14 6 9 10 3 16 5 4 29 13 25 30 MIN. QFE PRESSURE IN HPA 1006.4 1009.7 1007.2 1002.4 1001.3 996.4 992.9 994.0 1000.5 1006.6 1010.7 1015.0 992.9 DAY 19 26 14 1 31 30 20 8 1 11 7 6 MEAN QNH PRESSURE IN HPA 1020.6 1021.8 1017.5 1014.1 1011.8 1003.2 999.8 1002.7 1009.1 1015.2 1020.0 1025.1 1013.4 MAX. QNH PRESSURE IN HPA 1029.7 1029.4 1023.2 1018.4 1016.3 1007.4 1005.1 1005.9 1014.3 1020.4 1025.3 1031.8 1031.8 DAY 14 6 9 10 3 16 5 4 29 13 25 30 MIN. QNH PRESSURE IN HPA 1008.8 1012.1 1009.6 1004.8 1003.7 998.8 995.3 996.4 1002.9 1009.0 1013.1 1017.4 995.3 DAY 19 26 14 1 31 30 20 8 1 11 7 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 1016.6 1017.7 1013.4 1010.0 1007.4 999.4 996.0 998.7 1005.2 1011.2 1016.2 1021.6 1009.4 MAX. QFE PRESSURE IN HPA 1026.4 1025.5 1018.2 1014.1 1012.8 1004.1 1000.4 1002.2 1010.3 1016.2 1022.0 1028.8 1028.8 DAY 13 6 8 2 10 15 3 4 29 24 25 30 MIN. QFE PRESSURE IN HPA 1003.4 1006.6 1007.2 1000.1 1000.3 995.6 991.1 993.4 998.4 1004.0 1008.2 1013.2 991.1 DAY 19 26 7 1 31 29 20 8 1 11 17 6 MEAN QNH PRESSURE IN HPA 1019.0 1020.1 1015.8 1012.4 1009.8 1001.8 998.3 1001.0 1007.6 1013.6 1018.6 1024.0 1011.8 MAX. QNH PRESSURE IN HPA 1028.8 1027.9 1020.6 1016.5 1015.2 1006.5 1002.8 1004.6 1012.7 1018.6 1024.4 1031.2 1031.2 DAY 13 6 8 2 10 15 3 4 29 24 25 30 MIN. QNH PRESSURE IN HPA 1005.8 1009.0 1009.6 1002.5 1002.7 998.0 993.5 995.8 1000.8 1006.4 1010.6 1015.6 993.5 DAY 19 26 7 1 31 29 20 8 1 11 17 6 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1017.2 1017.8 1013.6 1010.0 1007.6 999.7 996.1 999.0 1005.2 1011.1 1016.1 1021.7 1009.6 MAX. QFE PRESSURE IN HPA 1026.5 1025.7 1018.7 1014.3 1013.1 1004.4 1000.7 1002.6 1010.4 1016.1 1021.6 1029.0 1029.0 DAY 13 6 18 2 10 15 5 4 29 29 25 30 MIN. QFE PRESSURE IN HPA 1003.7 1004.8 1006.9 1000.3 1000.4 995.5 991.6 994.2 998.7 1004.3 1009.2 1011.5 991.6 DAY 19 26 30 1 31 30 20 8 1 11 17 6 MEAN QNH PRESSURE IN HPA 1019.6 1020.3 1016.0 1012.4 1010.0 1002.0 998.5 1001.4 1007.6 1013.5 1018.5 1024.1 1012.0 MAX. QNH PRESSURE IN HPA 1028.9 1028.1 1021.1 1016.7 1015.5 1006.8 1003.1 1005.0 1012.8 1018.5 1024.0 1031.4 1031.4 DAY 13 6 18 2 10 15 5 4 29 29 25 30 MIN. QNH PRESSURE IN HPA 1006.1 1007.2 1009.3 1002.7 1002.8 997.9 994.0 996.6 1001.1 1006.7 1011.6 1013.9 994.0 DAY 19 26 30 1 31 30 20 8 1 11 17 6 MEAN QFF PRESSURE IN HPA 1020.1 1020.6 1016.2 1012.6 1010.2 1002.2 998.6 1001.5 1007.7 1013.7 1018.8 1024.4 1012.2 MAX. QFF PRESSURE IN HPA 1029.3 1028.5 1021.4 1017.0 1015.7 1006.9 1003.2 1005.1 1013.0 1018.7 1024.3 1031.8 1031.8 DAY 13 6 18 2 10 15 5 4 29 29 25 30 MIN. QFF PRESSURE IN HPA 1006.4 1007.4 1009.5 1002.9 1002.9 997.9 994.0 996.6 1001.2 1006.8 1011.9 1014.2 994.0 DAY 19 26 30 1 31 30 20 8 1 11 17 6 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1958 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.2 14.5 22.4 28.9 35.4 38.3 39.9 39.6 34.3 29.1 20.0 14.7 27.5 MINIMUN AIR TEMPERATURE (C) 8.0 6.6 13.4 17.3 22.9 24.5 26.4 25.7 21.7 18.7 12.6 10.7 17.4 DAYS WITH MINIMUM TEMP. >=21 0 0 1 4 25 29 30 31 21 9 0 0 150 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 1.0 9.0 12.0 16.0 20.0 20.0 22.0 18.0 14.0 3.0 4.0 1.0 DAY 1 2 1 13 2 22 14 11 13 21 23 12 MAXIMUM AIR TEMPERATURE (C) 17.9 20.5 28.5 35.6 42.0 45.4 47.3 47.4 42.4 36.4 26.1 18.5 34.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 13 29 31 30 31 31 30 30 5 0 230 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.0 27.0 34.0 42.0 48.0 49.0 50.0 50.0 47.0 42.0 34.0 25.0 50.0 DAY 16 21 22 27 18 26 16 1 1 5 4 7 DIF. BETWEEN (MAX.-MIN.) (C) 9.9 13.9 15.1 18.3 19.1 20.9 20.9 21.7 20.7 17.7 13.5 7.8 16.6 MEAN DAILY TEMP. (MDT) (C) 12.9 13.6 21.0 26.5 32.5 34.9 36.9 36.6 32.0 27.5 19.3 14.6 25.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 33.0 164.5 355.5 418.5 492.0 482.5 331.0 203.0 23.5 0.0 2503.5 HEATING DEG. DAYS(BASE 18 0C) 157.0 127.5 5.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 37.0 111.0 437.5 DEWPOINT (MEAN C) 9.8 7.4 9.9 11.2 12.6 13.1 16.1 19.2 12.2 13.6 9.5 11.3 12.2 MIXING RATIO (G/KG) 7.58 6.49 7.84 8.46 9.51 9.80 12.01 15.12 9.23 10.15 8.08 8.53 9.40 VAPOUR PRESSURE (HPA) 12.30 10.56 12.62 13.55 15.14 15.51 18.86 23.61 14.67 16.23 13.03 13.78 14.99 SATURATION DEF. (HPA) 3.33 7.25 15.94 28.80 46.02 56.25 59.53 53.49 43.35 26.75 11.84 3.48 29.67 RELATIVE HUMIDITY (MEAN %) 81 65 49 37 29 26 29 36 30 43 54 81 47 RELATIVE HUMIDITY (MAX. %) 95 88 74 61 56 55 54 64 53 63 72 92 69 RELATIVE HUMIDITY (MIN. %) 66 46 33 24 18 15 18 21 18 29 40 69 33 RELATIVE HUMIDITY (MEAN% 03UTC) 93 88 74 61 56 54 54 63 53 62 71 91 68 RELATIVE HUMIDITY (MEAN% 09UTC) 76 52 37 27 19 16 21 26 20 33 44 77 37 RELATIVE HUMIDITY (MEAN% 15UTC) 79 61 43 30 22 17 20 25 24 41 54 79 41 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 41.5 1.0 8.3 0.0 0.0 0.0 0.0 0.0 0.0 5.0 6.2 69.2 131.2 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 2 2 DAYS WITH PRECIPITATION >= 5 5 0 0 0 0 0 0 0 0 0 0 4 9 DAYS WITH PRECIPITATION >= 1 8 1 3 0 0 0 0 0 0 2 2 9 25 DAYS WITH PRECIPITATION 9 1 8 0 1 0 0 0 0 2 3 10 34 GREATEST DAILY PRECIPITATION 9.0 1.0 4.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 4.0 32.0 32.0 DAY 5 1 7 ** ** ** ** ** ** 29 6 15 DAY WITH THUNDER STORM 0 0 0 0 1 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 2 1 2 4 5 9 5 5 0 0 0 33 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 5.1 6.6 7.8 10.2 8.9 12.3 12.4 8.2 7.0 4.5 3.4 3.3 7.6 PREVAILING WIND PERCENT 36.8 66.4 33.5 40.7 41.3 46.7 55.5 55.5 62.0 39.4 54.0 40.6 47.5 CALMS PERCENT OF WIND 7.1 1.4 1.9 2.0 3.9 0.7 1.3 2.6 2.7 0.6 2.0 2.6 2.4 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 244 277 216 259 265 269 270 258 267 260 253 262 264 VECTOR WIND MAGNITUDE(KNOTS) 1.8 5.2 1.9 3.9 4.8 7.5 8.1 4.9 5.0 1.7 1.8 1.0 3.9 WIND STEADINESES (MEAN %) 34.0 78.8 24.4 45.3 62.3 75.8 79.4 77.8 84.7 43.6 54.5 33.3 60.0 WIND SPEED (MEAN KNOTS) 5.3 6.6 7.8 8.6 7.7 9.9 10.2 6.3 5.9 3.9 3.3 3.0 6.5 FASTEST WIND DIRECTION 180 160 130 270 300 270 320 270 270 320 160 160 300 FASTEST WIND SPEED (KNOTS) 20 20 35 28 40 40 40 27 40 20 16 8 40 DAY 4 1 22 20 12 19 12 12 2 29 29 1 DAYS WITH SKY CLEAR (0-2)/8 12 19 17 13 16 28 30 31 30 26 17 7 246 DAYS WITH P.CLOUDY (3-6)/8 12 9 10 11 15 2 1 0 0 4 10 15 89 DAYS WITH CLOUDY (7-8)/8 7 0 4 6 0 0 0 0 0 1 3 9 30 DAYS WITH VISIBILITY =< 2 KM 4 0 0 1 1 0 1 0 1 0 0 8 16 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1022.8 1023.6 1015.8 1009.9 1007.2 1000.8 996.1 997.9 1003.8 1011.9 1018.6 1019.3 1010.6 MAX. QFE PRESSURE IN HPA 1029.1 1032.0 1022.4 1019.1 1013.2 1007.5 1002.4 1002.4 1010.2 1019.0 1025.1 1024.7 1032.0 DAY-HOUR 7- 6 1- 6 27- 6 1- 6 4- 6 2- 6 12- 3 18- 6 30- 6 30- 6 23- 6 5- 6 MIN. QFE PRESSURE IN HPA 1015.5 1015.4 1006.0 999.9 999.0 992.0 991.9 992.1 997.2 1006.8 1011.9 1011.2 991.9 DAY-HOUR 30- 3 22-12 22-15 29-15 19- 3 30-15 1-15 6-15 9-15 12-15 30-12 1- 3 MEAN QNH PRESSURE IN HPA 1025.2 1026.1 1018.2 1012.3 1009.6 1003.2 998.4 1000.2 1006.2 1014.2 1021.0 1021.7 1013.0 MAX. QNH PRESSURE IN HPA 1031.5 1034.4 1024.8 1021.5 1015.6 1009.9 1004.8 1004.8 1012.6 1021.4 1027.5 1027.1 1034.4 DAY-HOUR 7- 6 1- 6 27- 6 1- 6 4- 6 2- 6 12- 3 18- 6 30- 6 30- 6 23- 6 5- 6 MIN. QNH PRESSURE IN HPA 1017.9 1017.8 1008.4 1002.3 1001.4 994.4 994.3 994.5 999.6 1009.2 1014.3 1013.6 994.3 DAY-HOUR 30- 3 22-12 22-15 29-15 19- 3 30-15 1-15 6-15 9-15 12-15 30-12 1- 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 1022.6 1023.6 1015.8 1010.1 1007.5 1001.3 996.5 998.2 1003.9 1012.1 1019.0 1019.3 1010.8 MAX. QFE PRESSURE IN HPA 1026.9 1030.1 1020.6 1018.3 1012.9 1007.2 1002.4 1001.7 1009.4 1018.6 1023.4 1023.4 1030.1 DAY 8 1 17 1 4 12 12 19 30 31 27 5 MIN. QFE PRESSURE IN HPA 1015.5 1018.0 1009.1 1001.4 999.0 995.3 992.9 994.0 998.2 1006.9 1015.6 1011.2 992.9 DAY 30 22 23 29 19 30 1 7 1 12 14 1 MEAN QNH PRESSURE IN HPA 1025.0 1026.0 1018.2 1012.5 1009.9 1003.7 998.9 1000.6 1006.3 1014.5 1021.4 1021.7 1013.2 MAX. QNH PRESSURE IN HPA 1029.3 1032.5 1023.0 1020.7 1015.3 1009.6 1004.8 1004.1 1011.8 1021.0 1025.8 1025.8 1032.5 DAY 8 1 17 1 4 12 12 19 30 31 27 5 MIN. QNH PRESSURE IN HPA 1017.9 1020.4 1011.5 1003.8 1001.4 997.7 995.3 996.4 1000.6 1009.3 1018.0 1013.6 995.3 DAY 30 22 23 29 19 30 1 7 1 12 14 1 MEAN QFF PRESSURE IN HPA 1025.3 1026.3 1018.5 1012.7 1010.0 1003.8 999.0 1000.6 1006.5 1014.7 1021.7 1022.0 1013.4 MAX. QFF PRESSURE IN HPA 1029.7 1032.9 1023.3 1020.9 1015.5 1009.7 1004.9 1004.2 1012.0 1021.3 1026.2 1026.1 1032.9 DAY 14 1 17 1 4 12 12 19 30 31 27 27 MIN. QFF PRESSURE IN HPA 1018.2 1020.7 1011.7 1003.9 1001.5 997.7 995.3 996.4 1000.7 1009.5 1018.2 1013.8 995.3 DAY 30 23 23 29 19 30 1 7 1 12 14 1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1024.0 1024.7 1017.0 1011.3 1008.6 1001.8 997.2 999.0 1005.1 1013.3 1020.1 1020.4 1011.9 MAX. QFE PRESSURE IN HPA 1029.1 1032.0 1022.4 1019.1 1013.2 1007.5 1002.1 1002.4 1010.2 1019.0 1025.1 1024.7 1032.0 DAY 7 1 27 1 4 2 12 18 30 30 23 5 MIN. QFE PRESSURE IN HPA 1017.6 1018.1 1009.8 1002.1 1002.1 994.6 993.9 994.5 999.1 1008.7 1016.9 1012.9 993.9 DAY 21 22 24 29 20 30 1 7 1 12 14 1 MEAN QNH PRESSURE IN HPA 1026.4 1027.1 1019.4 1013.7 1011.0 1004.2 999.6 1001.3 1007.5 1015.7 1022.6 1022.8 1014.3 MAX. QNH PRESSURE IN HPA 1031.5 1034.4 1024.8 1021.5 1015.6 1009.9 1004.5 1004.8 1012.6 1021.4 1027.5 1027.1 1034.4 DAY 7 1 27 1 4 2 12 18 30 30 23 5 MIN. QNH PRESSURE IN HPA 1020.0 1020.5 1012.2 1004.5 1004.5 997.0 996.3 996.9 1001.5 1011.1 1019.3 1015.3 996.3 DAY 21 22 24 29 20 30 1 7 1 12 14 1 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 1023.4 1024.3 1016.7 1010.8 1007.9 1001.3 996.6 998.5 1004.5 1012.5 1019.1 1019.7 1011.3 MAX. QFE PRESSURE IN HPA 1028.4 1031.2 1022.1 1019.0 1012.9 1006.5 1001.7 1002.2 1010.0 1018.6 1023.7 1024.0 1031.2 DAY 7 1 27 1 4 2 12 18 30 31 27 5 MIN. QFE PRESSURE IN HPA 1017.1 1017.6 1008.9 1001.1 1001.7 993.9 993.3 993.9 998.8 1008.4 1015.2 1012.5 993.3 DAY 21 22 22 29 19 30 1 6 1 12 30 1 MEAN QNH PRESSURE IN HPA 1025.8 1026.8 1019.1 1013.2 1010.3 1003.7 999.0 1000.8 1006.9 1014.9 1021.6 1022.1 1013.7 MAX. QNH PRESSURE IN HPA 1030.8 1033.6 1024.5 1021.4 1015.3 1008.9 1004.1 1004.6 1012.4 1021.0 1026.1 1026.4 1033.6 DAY 7 1 27 1 4 2 12 18 30 31 27 5 MIN. QNH PRESSURE IN HPA 1019.5 1020.0 1011.3 1003.5 1004.1 996.3 995.7 996.3 1001.2 1010.8 1017.6 1014.9 995.7 DAY 21 22 22 29 19 30 1 6 1 12 30 1 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 1022.1 1022.9 1015.0 1009.0 1006.1 1000.0 995.2 997.0 1002.8 1010.7 1017.3 1018.4 1009.7 MAX. QFE PRESSURE IN HPA 1027.2 1030.0 1021.1 1017.1 1011.5 1004.8 1000.5 1001.3 1007.5 1016.9 1021.7 1022.7 1030.0 DAY 7 1 16 1 3 4 12 18 24 30 19 5 MIN. QFE PRESSURE IN HPA 1016.0 1015.4 1007.2 1000.1 1000.4 992.3 991.9 992.3 997.5 1007.0 1011.9 1013.2 991.9 DAY 30 22 14 29 19 30 8 6 1 12 30 1 MEAN QNH PRESSURE IN HPA 1024.5 1025.3 1017.5 1011.4 1008.5 1002.4 997.6 999.3 1005.2 1013.1 1019.7 1020.8 1012.1 MAX. QNH PRESSURE IN HPA 1029.6 1032.4 1023.5 1019.5 1013.9 1007.2 1002.9 1003.7 1009.9 1019.3 1024.1 1025.1 1032.4 DAY 7 1 16 1 3 4 12 18 24 30 19 5 MIN. QNH PRESSURE IN HPA 1018.4 1017.8 1009.6 1002.5 1002.8 994.7 994.3 994.7 999.9 1009.4 1014.3 1015.6 994.3 DAY 30 22 14 29 19 30 8 6 1 12 30 1 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1022.1 1022.8 1014.6 1008.6 1005.9 999.6 994.9 996.7 1002.7 1010.7 1017.6 1018.6 1009.6 MAX. QFE PRESSURE IN HPA 1027.2 1029.4 1020.9 1016.6 1011.6 1005.1 1000.2 1000.9 1007.4 1017.3 1022.4 1023.0 1029.4 DAY 7 1 16 1 3 11 12 18 30 30 27 5 MIN. QFE PRESSURE IN HPA 1015.9 1015.5 1006.0 999.9 999.7 992.0 991.9 992.1 997.2 1006.8 1012.2 1014.2 991.9 DAY 30 22 22 29 19 30 1 6 9 12 30 8 MEAN QNH PRESSURE IN HPA 1024.5 1025.2 1017.0 1011.0 1008.3 1002.0 997.3 999.0 1005.1 1013.0 1020.0 1021.0 1011.9 MAX. QNH PRESSURE IN HPA 1029.6 1031.8 1023.3 1019.0 1014.0 1007.5 1002.6 1003.3 1009.8 1019.7 1024.8 1025.4 1031.8 DAY 7 1 16 1 3 11 12 18 30 30 27 5 MIN. QNH PRESSURE IN HPA 1018.3 1017.9 1008.4 1002.3 1002.1 994.4 994.3 994.5 999.6 1009.2 1014.6 1016.6 994.3 DAY 30 22 22 29 19 30 1 6 9 12 30 8 MEAN QFF PRESSURE IN HPA 1024.8 1025.5 1017.3 1011.3 1008.4 1002.1 997.4 999.1 1005.2 1013.2 1020.3 1021.3 1012.2 MAX. QFF PRESSURE IN HPA 1030.0 1032.2 1023.6 1019.2 1014.2 1007.6 1002.7 1003.4 1009.9 1019.9 1025.2 1025.7 1032.2 DAY 7 1 16 1 3 11 12 18 30 30 27 5 MIN. QFF PRESSURE IN HPA 1018.6 1018.2 1008.6 1002.4 1002.2 994.4 994.4 994.5 999.7 1009.4 1014.9 1016.8 994.4 DAY 30 22 22 29 19 30 8 6 9 12 30 8 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1959 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.6 12.4 19.9 29.3 33.2 38.2 ***** 36.8 32.6 29.0 19.1 13.8 ***** MINIMUN AIR TEMPERATURE (C) 8.0 6.3 11.9 19.0 22.5 25.8 ***** 25.1 19.7 18.1 11.5 7.0 ***** DAYS WITH MINIMUM TEMP. >=21 0 0 0 14 23 29 **** 31 10 6 0 0 **** DAYS WITH MINIMUM TEMP. <=-4 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 **** TEMPERATURE RECORDS LOWEST(C) 4.0 1.0 4.0 12.0 17.0 20.0 ***** 21.0 15.0 11.0 5.0 2.0 ***** DAY 2 23 4 3 10 7 ** 25 25 31 26 14 MAXIMUM AIR TEMPERATURE (C) 18.6 17.1 25.3 36.1 39.1 44.9 ***** 44.1 40.8 36.4 25.7 19.8 ***** DAYS WITH MAXIMUM TEMP. >=30 0 0 6 28 30 30 **** 31 30 30 11 0 **** DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 **** 0 0 0 0 0 **** TEMPERATURE RECORDS HIGHEST(C) 23.0 22.0 33.0 43.0 47.0 49.0 ***** 47.0 46.0 42.0 32.0 24.0 ***** DAY 8 15 16 23 28 21 ** 8 1 1 1 25 DIF. BETWEEN (MAX.-MIN.) (C) 10.6 10.8 13.4 17.1 16.6 19.1 ***** 19.0 21.1 18.3 14.2 12.8 ***** MEAN DAILY TEMP. (MDT) (C) 13.3 11.7 18.6 27.5 30.8 35.4 ***** 34.6 30.2 27.2 18.6 13.4 ***** COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 21.5 199.0 305.0 431.0 ****** 421.5 277.0 195.0 11.5 0.0 ****** HEATING DEG. DAYS(BASE 18 0C) 144.5 176.0 48.5 0.0 0.0 0.0 ****** 0.0 0.0 0.0 40.5 141.5 ****** DEWPOINT (MEAN C) 7.3 2.0 8.2 11.5 11.5 10.8 ***** 14.1 11.7 12.8 10.2 7.0 ***** MIXING RATIO (G/KG) 6.49 4.51 7.25 8.73 9.08 8.50 ****** 10.50 8.81 9.63 7.99 6.45 ****** VAPOUR PRESSURE (HPA) 10.52 7.31 11.67 13.91 14.36 13.39 ****** 16.55 14.01 15.41 12.89 10.47 ****** SATURATION DEF. (HPA) 5.60 7.64 13.15 29.97 39.66 57.82 ****** 49.28 38.92 27.48 10.83 6.01 ****** RELATIVE HUMIDITY (MEAN %) 68 52 51 37 32 23 *** 29 31 41 60 66 *** RELATIVE HUMIDITY (MAX. %) 84 71 73 63 59 46 *** 52 54 61 76 81 *** RELATIVE HUMIDITY (MIN. %) 53 37 35 23 19 13 *** 17 19 28 44 51 *** RELATIVE HUMIDITY (MEAN% 03UTC) 82 69 72 63 56 44 *** 52 54 61 73 78 *** RELATIVE HUMIDITY (MEAN% 09UTC) 60 43 42 26 24 15 *** 20 22 31 52 59 *** RELATIVE HUMIDITY (MEAN% 15UTC) 65 48 44 31 25 15 *** 23 24 36 57 69 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 30.7 18.0 7.1 4.1 9.0 0.0 ****** 0.0 0.0 1.0 29.2 21.0 ****** DAYS WITH PRECIPITATION >=10 2 0 0 0 0 0 **** 0 0 0 1 1 **** DAYS WITH PRECIPITATION >= 5 3 2 1 0 1 0 **** 0 0 0 2 1 **** DAYS WITH PRECIPITATION >= 1 4 2 1 1 2 0 **** 0 0 1 3 2 **** DAYS WITH PRECIPITATION 6 2 2 2 2 0 **** 0 0 1 5 2 **** GREATEST DAILY PRECIPITATION 12.0 9.0 7.0 4.0 8.0 0.0 ****** 0.0 0.0 1.0 19.0 20.0 ****** DAY 16 6 22 6 10 ** ** ** ** 23 30 29 DAY WITH THUNDER STORM 0 0 0 0 1 0 **** 0 0 0 1 0 **** DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 **** 0 0 0 0 0 **** DAYS WITH DUST 0 1 3 2 2 10 **** 11 10 8 3 1 **** WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 *** 270 270 270 270 270 *** PREVAILING WIND SPEED(KNOTS) 3.4 4.3 4.2 4.1 5.8 5.5 **** 5.7 4.9 2.3 1.2 1.1 **** PREVAILING WIND PERCENT 45.8 51.4 40.0 39.3 43.9 68.7 ***** 71.0 68.0 54.8 42.0 46.5 ***** CALMS PERCENT OF WIND 0.0 0.7 1.9 2.0 0.0 0.7 ***** 4.5 0.0 1.9 14.0 8.4 ***** NO. OF WIND OBSERVATION 155 140 155 150 155 150 **** 155 150 155 150 155 1670 VECTOR WIND DIRECTION (MEAN) 245 269 238 247 267 290 *** 271 283 291 260 262 *** VECTOR WIND MAGNITUDE(KNOTS) 1.3 2.6 1.6 1.6 3.2 6.0 **** 4.5 4.7 2.0 0.5 0.4 **** WIND STEADINESES (MEAN %) 38.2 59.1 36.4 37.2 61.5 92.3 ***** 90.0 90.4 80.0 41.7 36.4 ***** WIND SPEED (MEAN KNOTS) 3.4 4.4 4.4 4.3 5.2 6.5 **** 5.0 5.2 2.5 1.2 1.1 **** FASTEST WIND DIRECTION 130 270 310 160 310 310 *** 270 230 310 110 160 *** FASTEST WIND SPEED (KNOTS) 12 16 20 29 27 27 *** 27 31 25 10 6 *** DAY 20 20 23 6 1 8 ** 19 2 22 26 20 DAYS WITH SKY CLEAR (0-2)/8 16 18 14 13 12 30 **** 30 30 28 18 21 **** DAYS WITH P.CLOUDY (3-6)/8 11 7 13 11 15 0 **** 1 0 1 7 9 **** DAYS WITH CLOUDY (7-8)/8 4 3 4 6 4 0 **** 0 0 2 5 1 **** DAYS WITH VISIBILITY =< 2 KM 0 0 0 1 2 1 **** 0 3 1 2 4 **** DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1959 JAN. 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QNH PRESSURE IN HPA 1015.3 1010.9 1010.2 1001.0 993.7 986.6 ****** 995.4 998.4 1008.8 1013.3 1019.4 ****** DAY-HOUR 16-12 8-12 26-12 20-15 30-12 28-12 **-** 5-12 1-15 11-15 13-12 10-12 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 1019.1 1018.1 1016.2 1006.0 1000.7 994.6 ****** 998.4 1003.8 1012.7 1017.9 1021.7 ****** MAX. QFE PRESSURE IN HPA 1022.7 1024.7 1026.8 1015.6 1006.3 1002.1 ****** 1002.9 1010.0 1018.3 1021.7 1028.3 ****** DAY 14 22 9 8 2 6 ** 28 26 21 9 17 MIN. QFE PRESSURE IN HPA 1013.5 1011.9 1008.1 1000.0 993.2 986.0 ****** 995.0 998.0 1008.1 1012.9 1017.3 ****** DAY 22 20 22 6 31 28 ** 3 2 12 1 10 MEAN QNH PRESSURE IN HPA 1021.5 1020.5 1018.6 1008.4 1003.1 996.9 ****** 1000.8 1006.1 1015.1 1020.3 1024.2 ****** MAX. QNH PRESSURE IN HPA 1025.1 1027.1 1029.2 1018.0 1008.7 1004.5 ****** 1005.3 1012.4 1020.7 1024.1 1030.7 ****** DAY 14 22 9 8 2 6 ** 28 26 21 9 17 MIN. QNH PRESSURE IN HPA 1015.9 1014.3 1010.5 1002.4 995.6 988.3 ****** 997.4 1000.4 1010.5 1015.3 1019.7 ****** DAY 22 20 22 6 31 28 ** 3 2 12 1 10 MEAN QFF PRESSURE IN HPA 1021.8 1020.9 1018.9 1008.6 1003.2 997.0 ****** 1001.0 1006.3 1015.3 1020.6 1024.5 ****** MAX. QFF PRESSURE IN HPA 1025.4 1027.5 1029.6 1018.3 1008.9 1004.6 ****** 1005.4 1012.6 1020.9 1024.4 1031.1 ****** DAY 14 22 9 8 2 6 ** 29 26 21 9 17 MIN. QFF PRESSURE IN HPA 1016.2 1014.6 1010.7 1002.6 995.7 988.4 ****** 997.5 1000.5 1010.7 1015.6 1020.0 ****** DAY 22 25 22 6 31 28 ** 3 2 12 1 10 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1020.4 1019.1 1017.4 1006.9 1001.5 995.7 ****** 999.1 1004.7 1014.0 1019.4 1023.4 ****** MAX. QFE PRESSURE IN HPA 1024.4 1026.8 1028.1 1016.6 1008.0 1002.7 ****** 1004.3 1010.9 1020.0 1023.9 1031.0 ****** DAY 14 22 9 8 1 6 ** 28 26 25 22 16 MIN. QFE PRESSURE IN HPA 1012.9 1012.9 1009.8 998.7 994.1 986.5 ****** 996.0 999.3 1009.6 1013.9 1019.0 ****** DAY 22 8 26 6 31 28 ** 3 2 3 1 10 MEAN QNH PRESSURE IN HPA 1022.8 1021.5 1019.8 1009.3 1003.9 998.0 ****** 1001.4 1007.1 1016.4 1021.8 1025.8 ****** MAX. QNH PRESSURE IN HPA 1026.8 1029.2 1030.5 1019.0 1010.4 1005.1 ****** 1006.7 1013.3 1022.4 1026.3 1033.4 ****** DAY 14 22 9 8 1 6 ** 28 26 25 22 16 MIN. QNH PRESSURE IN HPA 1015.3 1015.3 1012.2 1001.1 996.5 988.8 ****** 998.4 1001.7 1012.0 1016.3 1021.4 ****** DAY 22 8 26 6 31 28 ** 3 2 3 1 10 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 1019.6 1018.5 1016.5 1006.4 1000.8 994.9 ****** 998.4 1004.1 1012.9 1018.0 1022.1 ****** MAX. QFE PRESSURE IN HPA 1022.7 1025.7 1028.1 1016.1 1008.4 1002.3 ****** 1003.6 1009.6 1019.0 1023.6 1029.2 ****** DAY 25 22 9 8 1 6 ** 28 25 25 22 16 MIN. QFE PRESSURE IN HPA 1013.9 1010.8 1008.8 1000.3 993.7 986.1 ****** 995.3 998.3 1008.5 1012.9 1017.7 ****** DAY 22 28 26 6 31 28 ** 3 2 3 1 10 MEAN QNH PRESSURE IN HPA 1022.0 1020.9 1018.9 1008.8 1003.2 997.3 ****** 1000.8 1006.5 1015.3 1020.4 1024.5 ****** MAX. QNH PRESSURE IN HPA 1025.1 1028.1 1030.5 1018.5 1010.8 1004.7 ****** 1006.0 1012.0 1021.4 1026.0 1031.6 ****** DAY 25 22 9 8 1 6 ** 28 25 25 22 16 MIN. QNH PRESSURE IN HPA 1016.3 1013.2 1011.2 1002.7 996.1 988.4 ****** 997.7 1000.7 1010.9 1015.3 1020.1 ****** DAY 22 28 26 6 31 28 ** 3 2 3 1 10 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 1018.1 1016.7 1014.7 1004.7 999.1 993.5 ****** 997.1 1002.5 1011.5 1016.7 1021.0 ****** MAX. QFE PRESSURE IN HPA 1021.7 1024.0 1025.4 1014.2 1006.8 1000.3 ****** 1002.4 1007.9 1017.2 1022.0 1027.8 ****** DAY 26 22 9 7 1 6 ** 28 23 25 22 16 MIN. QFE PRESSURE IN HPA 1012.9 1008.5 1007.8 998.7 991.3 984.3 ****** 993.0 996.3 1006.5 1010.9 1017.0 ****** DAY 16 8 26 20 30 28 ** 5 2 11 13 10 MEAN QNH PRESSURE IN HPA 1020.5 1019.1 1017.1 1007.1 1001.5 995.9 ****** 999.5 1004.8 1013.9 1019.2 1023.4 ****** MAX. QNH PRESSURE IN HPA 1024.1 1026.4 1027.8 1016.6 1009.2 1002.7 ****** 1004.8 1010.3 1019.6 1024.4 1030.2 ****** DAY 26 22 9 7 1 6 ** 28 23 25 22 16 MIN. QNH PRESSURE IN HPA 1015.3 1010.9 1010.2 1001.1 993.7 986.6 ****** 995.4 998.7 1008.9 1013.3 1019.4 ****** DAY 16 8 26 20 30 28 ** 5 2 11 13 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1018.4 1016.7 1014.7 1004.4 999.1 993.7 ****** 997.0 1002.6 1011.6 1016.9 1021.0 ****** MAX. QFE PRESSURE IN HPA 1022.0 1023.7 1025.1 1014.6 1006.6 999.7 ****** 1002.1 1008.9 1017.0 1021.6 1028.3 ****** DAY 26 22 9 7 1 6 ** 28 25 25 22 16 MIN. QFE PRESSURE IN HPA 1012.9 1008.5 1008.1 998.6 991.6 986.8 ****** 993.9 996.0 1006.4 1011.3 1017.1 ****** DAY 20 8 26 20 30 27 ** 9 1 11 13 20 MEAN QNH PRESSURE IN HPA 1020.8 1019.1 1017.1 1006.8 1001.5 996.0 ****** 999.3 1005.0 1014.0 1019.3 1023.4 ****** MAX. QNH PRESSURE IN HPA 1024.4 1026.1 1027.5 1017.0 1009.0 1002.1 ****** 1004.5 1011.3 1019.4 1024.0 1030.7 ****** DAY 26 22 9 7 1 6 ** 28 25 25 22 16 MIN. QNH PRESSURE IN HPA 1015.3 1010.9 1010.5 1001.0 994.0 989.1 ****** 996.3 998.4 1008.8 1013.7 1019.5 ****** DAY 20 8 26 20 30 27 ** 9 1 11 13 20 MEAN QFF PRESSURE IN HPA 1021.2 1019.5 1017.4 1006.9 1001.6 996.2 ****** 999.5 1005.1 1014.2 1019.5 1023.8 ****** MAX. QFF PRESSURE IN HPA 1024.8 1026.5 1027.9 1017.3 1009.2 1002.2 ****** 1004.6 1011.5 1019.6 1024.3 1031.1 ****** DAY 26 22 9 7 1 6 ** 28 25 25 22 16 MIN. QFF PRESSURE IN HPA 1015.6 1011.2 1010.8 1001.2 994.1 989.2 ****** 996.4 998.5 1009.0 1013.9 1019.8 ****** DAY 20 8 26 20 30 27 ** 9 1 11 13 20 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1960 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 14.9 17.5 19.1 26.3 33.9 37.3 38.7 38.2 34.5 26.3 21.5 15.1 26.9 MINIMUN AIR TEMPERATURE (C) 8.9 10.3 11.8 18.5 22.6 24.7 28.0 25.6 23.1 15.0 14.1 8.8 17.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 7 22 29 31 30 27 0 3 0 149 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 4.0 6.0 13.0 16.0 20.0 25.0 19.0 18.0 11.0 6.0 4.0 2.0 DAY 28 1 14 11 1 7 15 26 24 23 25 4 MAXIMUM AIR TEMPERATURE (C) 20.6 23.8 24.4 31.3 40.2 44.2 45.5 46.0 42.5 34.8 27.7 21.4 33.5 DAYS WITH MAXIMUM TEMP. >=30 0 3 1 22 31 30 31 31 30 30 9 0 218 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.0 31.0 33.0 37.0 46.0 48.0 49.0 50.0 46.0 39.0 34.0 25.0 50.0 DAY 17 29 31 26 27 25 6 20 9 4 3 7 DIF. BETWEEN (MAX.-MIN.) (C) 11.7 13.5 12.6 12.8 17.6 19.5 17.5 20.4 19.4 19.8 13.6 12.6 15.9 MEAN DAILY TEMP. (MDT) (C) 14.8 17.1 18.1 24.9 31.4 34.5 36.8 35.8 32.8 24.9 20.9 15.1 25.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 3.0 5.5 119.0 321.5 404.0 488.5 459.5 354.0 121.0 43.0 0.0 2319.0 HEATING DEG. DAYS(BASE 18 0C) 101.0 48.0 29.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14.5 92.0 284.5 DEWPOINT (MEAN C) 9.1 8.2 9.0 10.9 11.5 12.1 17.9 16.0 18.1 14.6 11.4 8.9 12.3 MIXING RATIO (G/KG) 7.40 6.99 7.29 8.30 8.76 9.19 13.85 11.85 13.61 10.86 8.58 7.20 9.49 VAPOUR PRESSURE (HPA) 11.99 11.31 11.74 13.32 14.00 14.58 21.69 18.66 21.51 17.37 13.84 11.69 15.14 SATURATION DEF. (HPA) 5.62 9.89 11.42 22.22 42.09 53.00 50.39 52.79 36.94 19.55 13.34 6.17 26.95 RELATIVE HUMIDITY (MEAN %) 70 58 55 42 29 24 35 30 42 52 55 68 47 RELATIVE HUMIDITY (MAX. %) 84 75 74 63 52 41 61 52 63 73 69 81 66 RELATIVE HUMIDITY (MIN. %) 54 41 40 29 18 16 22 19 26 35 44 53 33 RELATIVE HUMIDITY (MEAN% 03UTC) 81 71 71 62 52 40 61 52 63 72 69 79 64 RELATIVE HUMIDITY (MEAN% 09UTC) 62 49 46 33 20 18 24 22 31 37 46 62 38 RELATIVE HUMIDITY (MEAN% 15UTC) 71 57 53 35 21 18 25 23 38 53 53 69 43 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 31.0 14.3 30.6 9.1 0.0 0.0 0.0 0.0 0.0 0.0 10.0 23.0 118.0 DAYS WITH PRECIPITATION >=10 1 1 1 0 0 0 0 0 0 0 0 1 4 DAYS WITH PRECIPITATION >= 5 3 1 1 0 0 0 0 0 0 0 1 2 8 DAYS WITH PRECIPITATION >= 1 4 2 6 5 0 0 0 0 0 0 2 3 22 DAYS WITH PRECIPITATION 4 5 11 6 1 0 0 0 0 0 3 3 33 GREATEST DAILY PRECIPITATION 17.0 10.0 18.0 2.1 0.0 0.0 0.0 0.0 0.0 0.0 8.0 14.0 18.0 DAY 7 18 11 9 ** ** ** ** ** ** 18 8 DAY WITH THUNDER STORM 0 0 1 0 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 2 4 3 11 14 28 19 21 11 2 0 0 115 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 1.3 1.2 1.4 1.6 3.3 3.6 2.6 2.9 1.9 1.5 2.8 2.2 2.2 PREVAILING WIND PERCENT 43.9 35.9 41.9 26.7 49.0 59.3 47.7 55.5 43.3 72.3 42.0 50.3 47.4 CALMS PERCENT OF WIND 11.0 4.1 3.9 4.0 5.8 6.7 5.2 10.3 5.3 7.7 14.0 9.0 7.3 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 230 246 247 217 283 280 267 293 285 268 257 262 274 VECTOR WIND MAGNITUDE(KNOTS) 0.5 0.3 0.5 0.3 2.4 2.9 1.4 2.8 1.4 1.1 0.9 1.2 1.3 WIND STEADINESES (MEAN %) 33.3 18.8 31.3 14.3 75.0 87.9 60.9 82.4 60.9 84.6 39.1 52.2 56.5 WIND SPEED (MEAN KNOTS) 1.5 1.6 1.6 2.1 3.2 3.3 2.3 3.4 2.3 1.3 2.3 2.3 2.3 FASTEST WIND DIRECTION 160 90 300 130 300 270 330 300 300 270 180 160 300 FASTEST WIND SPEED (KNOTS) 12 10 10 15 20 16 12 20 18 6 10 8 20 DAY 7 5 9 1 30 18 7 2 23 2 28 19 DAYS WITH SKY CLEAR (0-2)/8 22 16 15 7 21 30 28 31 30 28 11 18 257 DAYS WITH P.CLOUDY (3-6)/8 3 5 8 11 5 0 2 0 0 2 13 10 59 DAYS WITH CLOUDY (7-8)/8 6 8 8 12 5 0 1 0 0 1 6 3 50 DAYS WITH VISIBILITY =< 2 KM 2 3 0 4 5 10 8 6 3 2 0 0 43 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1020.7 1018.9 1014.6 1012.2 1008.6 1002.2 998.3 999.3 1006.2 1015.0 1018.7 1021.2 1011.3 MAX. QFE PRESSURE IN HPA 1025.4 1027.6 1020.6 1019.0 1017.0 1009.9 1003.6 1006.9 1012.1 1021.2 1024.8 1027.1 1027.6 DAY-HOUR 12- 6 1- 6 30- 6 6- 6 1- 6 2- 9 17- 6 31- 6 30- 6 30- 6 21- 6 6- 6 MIN. QFE PRESSURE IN HPA 1011.3 1007.2 1004.4 1005.6 1001.6 992.3 993.7 994.7 998.7 1010.1 1012.2 1013.5 992.3 DAY-HOUR 7- 3 29-12 23-12 18-15 29-15 28-15 2-15 1-15 2-15 7-12 7-12 29-12 MEAN QNH PRESSURE IN HPA 1023.2 1021.3 1017.0 1014.6 1010.9 1004.6 1000.6 1001.7 1008.6 1017.4 1021.1 1023.6 1013.7 MAX. QNH PRESSURE IN HPA 1027.8 1030.0 1023.0 1021.4 1019.4 1012.3 1006.0 1009.3 1014.5 1023.6 1027.2 1029.5 1030.0 DAY-HOUR 12- 6 1- 6 30- 6 6- 6 1- 6 2- 9 17- 6 31- 6 30- 6 30- 6 21- 6 6- 6 MIN. QNH PRESSURE IN HPA 1013.7 1009.6 1006.8 1008.0 1004.0 994.7 996.1 997.1 1001.1 1012.5 1014.6 1015.9 994.7 DAY-HOUR 7- 3 29-12 23-12 18-15 29-15 28-15 2-15 1-15 2-15 7-12 7-12 29-12 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 1020.6 1019.1 1014.6 1012.5 1009.0 1002.7 998.6 999.6 1006.1 1015.1 1019.2 1021.3 1011.5 MAX. QFE PRESSURE IN HPA 1023.6 1025.6 1019.3 1018.3 1015.9 1008.9 1002.9 1005.6 1011.0 1019.7 1024.0 1025.1 1025.6 DAY 12 2 30 7 1 4 17 31 30 25 21 6 MIN. QFE PRESSURE IN HPA 1011.3 1010.8 1006.9 1007.6 1002.7 994.7 994.5 994.8 999.7 1010.5 1014.3 1014.6 994.5 DAY 7 29 2 10 30 30 2 11 3 12 2 20 MEAN QNH PRESSURE IN HPA 1023.1 1021.5 1017.0 1014.9 1011.4 1005.1 1001.0 1002.0 1008.5 1017.5 1021.6 1023.7 1013.9 MAX. QNH PRESSURE IN HPA 1026.0 1028.0 1021.7 1020.7 1018.3 1011.3 1005.3 1008.0 1013.4 1022.1 1026.4 1027.5 1028.0 DAY 12 2 30 7 1 4 17 31 30 25 21 6 MIN. QNH PRESSURE IN HPA 1013.7 1013.2 1009.3 1010.0 1005.1 997.1 996.9 997.2 1002.1 1012.9 1016.7 1017.0 996.9 DAY 7 29 2 10 30 30 2 11 3 12 2 20 MEAN QFF PRESSURE IN HPA 1023.4 1021.8 1017.3 1015.1 1011.5 1005.2 1001.1 1002.1 1008.7 1017.8 1021.9 1024.0 1014.2 MAX. QFF PRESSURE IN HPA 1026.4 1028.4 1022.0 1020.9 1018.5 1011.4 1005.4 1008.1 1013.6 1022.4 1026.7 1027.9 1028.4 DAY 31 2 30 7 1 4 17 31 30 25 21 6 MIN. QFF PRESSURE IN HPA 1014.0 1013.4 1009.5 1010.2 1005.2 997.2 997.0 997.3 1002.2 1013.1 1016.9 1017.3 997.0 DAY 7 29 2 10 30 30 2 11 3 12 2 20 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1022.2 1020.5 1016.0 1013.7 1009.9 1003.3 999.3 1000.7 1007.5 1016.5 1020.3 1022.6 1012.7 MAX. QFE PRESSURE IN HPA 1025.4 1027.6 1020.6 1019.0 1017.0 1009.6 1003.6 1006.9 1012.1 1021.2 1024.8 1027.1 1027.6 DAY 12 1 30 6 1 4 17 31 30 30 21 6 MIN. QFE PRESSURE IN HPA 1011.9 1009.9 1008.3 1009.9 1003.7 995.7 994.7 997.3 1001.3 1011.6 1015.6 1016.3 994.7 DAY 7 29 2 10 30 30 2 12 3 7 2 20 MEAN QNH PRESSURE IN HPA 1024.7 1022.9 1018.4 1016.1 1012.3 1005.7 1001.6 1003.0 1009.9 1018.9 1022.8 1025.1 1015.1 MAX. QNH PRESSURE IN HPA 1027.8 1030.0 1023.0 1021.4 1019.4 1012.0 1006.0 1009.3 1014.5 1023.6 1027.2 1029.5 1030.0 DAY 12 1 30 6 1 4 17 31 30 30 21 6 MIN. QNH PRESSURE IN HPA 1014.3 1012.3 1010.7 1012.3 1006.1 998.1 997.1 999.7 1003.7 1014.0 1018.0 1018.7 997.1 DAY 7 29 2 10 30 30 2 12 3 7 2 20 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 1021.0 1019.4 1015.3 1012.8 1009.1 1002.8 998.8 1000.0 1006.7 1015.4 1019.1 1021.5 1011.8 MAX. QFE PRESSURE IN HPA 1025.0 1026.3 1019.6 1017.7 1016.3 1009.9 1002.9 1005.9 1011.3 1020.2 1023.3 1025.4 1026.3 DAY 29 2 30 6 1 2 17 28 30 30 21 6 MIN. QFE PRESSURE IN HPA 1011.9 1007.6 1007.6 1008.0 1003.4 996.3 994.7 996.3 1001.6 1010.8 1014.7 1015.9 994.7 DAY 7 29 11 18 30 29 2 11 3 11 2 29 MEAN QNH PRESSURE IN HPA 1023.4 1021.8 1017.7 1015.2 1011.5 1005.2 1001.2 1002.3 1009.1 1017.8 1021.5 1023.9 1014.2 MAX. QNH PRESSURE IN HPA 1027.4 1028.7 1022.0 1020.1 1018.7 1012.3 1005.3 1008.3 1013.7 1022.6 1025.7 1027.8 1028.7 DAY 29 2 30 6 1 2 17 28 30 30 21 6 MIN. QNH PRESSURE IN HPA 1014.3 1010.0 1010.0 1010.4 1005.8 998.7 997.1 998.7 1004.0 1013.2 1017.1 1018.3 997.1 DAY 7 29 11 18 30 29 2 11 3 11 2 29 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 1019.9 1017.7 1013.6 1011.1 1007.7 1001.4 997.7 998.5 1005.4 1014.1 1017.3 1020.1 1010.4 MAX. QFE PRESSURE IN HPA 1023.3 1023.7 1018.7 1017.4 1014.9 1007.8 1001.3 1004.9 1009.7 1018.5 1021.6 1024.0 1024.0 DAY 29 2 18 6 1 2 17 28 30 30 12 6 MIN. QFE PRESSURE IN HPA 1011.3 1007.2 1004.4 1006.8 1002.3 993.0 994.1 995.3 1000.0 1010.1 1012.2 1013.5 993.0 DAY 7 29 23 18 29 28 2 10 2 7 7 29 MEAN QNH PRESSURE IN HPA 1022.3 1020.1 1016.0 1013.5 1010.1 1003.8 1000.1 1000.8 1007.8 1016.5 1019.8 1022.5 1012.8 MAX. QNH PRESSURE IN HPA 1025.7 1026.1 1021.1 1019.8 1017.3 1010.2 1003.7 1007.3 1012.1 1020.9 1024.0 1026.4 1026.4 DAY 29 2 18 6 1 2 17 28 30 30 12 6 MIN. QNH PRESSURE IN HPA 1013.7 1009.6 1006.8 1009.2 1004.7 995.4 996.5 997.7 1002.4 1012.5 1014.6 1015.9 995.4 DAY 7 29 23 18 29 28 2 10 2 7 7 29 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1020.0 1017.7 1013.7 1010.8 1007.2 1000.9 997.0 998.0 1005.2 1014.0 1017.4 1020.4 1010.2 MAX. QFE PRESSURE IN HPA 1023.7 1023.4 1018.5 1017.2 1014.3 1006.5 1000.5 1004.3 1010.0 1018.6 1022.7 1024.2 1024.2 DAY 31 1 17 6 1 2 17 28 30 23 20 6 MIN. QFE PRESSURE IN HPA 1012.3 1008.0 1005.3 1005.6 1001.6 992.3 993.7 994.7 998.7 1010.2 1012.4 1013.9 992.3 DAY 7 29 11 18 29 28 2 1 2 3 19 19 MEAN QNH PRESSURE IN HPA 1022.5 1020.1 1016.1 1013.2 1009.6 1003.2 999.4 1000.3 1007.6 1016.4 1019.9 1022.8 1012.6 MAX. QNH PRESSURE IN HPA 1026.1 1025.8 1020.9 1019.6 1016.7 1008.9 1002.9 1006.7 1012.4 1021.0 1025.1 1026.6 1026.6 DAY 31 1 17 6 1 2 17 28 30 23 20 6 MIN. QNH PRESSURE IN HPA 1014.7 1010.4 1007.7 1008.0 1004.0 994.7 996.1 997.1 1001.1 1012.6 1014.8 1016.3 994.7 DAY 7 29 11 18 29 28 2 1 2 3 19 19 MEAN QFF PRESSURE IN HPA 1022.8 1020.4 1016.3 1013.4 1009.7 1003.4 999.5 1000.4 1007.8 1016.6 1020.1 1023.1 1012.8 MAX. QFF PRESSURE IN HPA 1026.5 1026.2 1021.2 1019.8 1016.9 1009.0 1003.0 1006.8 1012.6 1021.3 1025.4 1026.9 1026.9 DAY 31 1 17 6 1 2 17 28 30 23 20 6 MIN. QFF PRESSURE IN HPA 1015.0 1010.6 1008.0 1008.2 1004.1 994.8 996.2 997.2 1001.2 1012.8 1015.0 1016.6 994.8 DAY 7 29 11 18 29 28 2 1 2 3 19 19 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.9 15.5 18.2 24.6 33.6 38.1 39.4 38.5 32.6 27.7 19.8 15.8 26.4 MINIMUN AIR TEMPERATURE (C) 8.6 9.3 10.9 15.8 21.7 25.6 28.2 26.2 19.1 15.4 11.7 8.6 16.8 DAYS WITH MINIMUM TEMP. >=21 0 0 0 3 20 30 31 31 5 0 0 0 120 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) 3.0 5.0 6.0 9.0 16.0 21.0 26.0 23.0 14.0 10.0 1.0 2.0 1.0 DAY 24 1 4 1 1 9 16 31 29 26 25 28 MAXIMUM AIR TEMPERATURE (C) 17.4 20.6 23.2 30.4 39.3 44.4 45.6 45.0 40.4 35.4 25.1 21.5 32.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 15 31 30 31 31 30 31 8 0 207 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.0 27.0 29.0 38.0 45.0 48.0 49.0 48.0 44.0 39.0 32.0 27.0 49.0 DAY 19 27 25 27 24 13 30 10 1 9 4 5 DIF. BETWEEN (MAX.-MIN.) (C) 8.8 11.3 12.3 14.6 17.6 18.8 17.4 18.8 21.3 20.0 13.4 12.9 15.6 MEAN DAILY TEMP. (MDT) (C) 13.0 15.0 17.0 23.1 30.5 35.0 36.9 35.6 29.8 25.4 18.4 15.1 24.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 84.0 295.0 419.5 492.0 453.5 263.5 135.5 26.0 0.0 2169.0 HEATING DEG. DAYS(BASE 18 0C) 155.0 86.5 43.5 1.0 0.0 0.0 0.0 0.0 0.0 0.0 54.5 96.5 437.0 DEWPOINT (MEAN C) 9.0 8.7 8.4 12.5 11.2 13.4 15.2 16.1 9.0 10.3 12.9 7.4 11.2 MIXING RATIO (G/KG) 7.27 7.05 7.07 9.27 8.57 9.93 11.73 11.90 7.44 8.11 10.05 6.59 8.75 VAPOUR PRESSURE (HPA) 11.78 11.42 11.42 14.87 13.64 15.68 18.32 18.66 11.82 12.98 16.09 10.64 13.94 SATURATION DEF. (HPA) 3.55 6.78 10.47 17.87 41.08 54.42 56.20 52.57 40.88 26.83 8.88 8.20 27.31 RELATIVE HUMIDITY (MEAN %) 78 66 56 50 29 26 28 30 26 38 66 60 46 RELATIVE HUMIDITY (MAX. %) 88 82 76 73 53 46 48 50 47 63 83 80 66 RELATIVE HUMIDITY (MIN. %) 67 52 42 37 19 17 17 19 16 23 53 44 34 RELATIVE HUMIDITY (MEAN% 03UTC) 86 81 75 73 52 46 48 50 47 63 83 79 65 RELATIVE HUMIDITY (MEAN% 09UTC) 74 58 46 41 20 19 21 22 18 26 59 51 38 RELATIVE HUMIDITY (MEAN% 15UTC) 80 65 55 48 24 21 20 23 21 35 66 60 43 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 122.9 22.0 24.8 16.0 0.0 0.0 0.0 0.0 0.0 0.0 11.4 24.0 221.1 DAYS WITH PRECIPITATION >=10 4 1 1 0 0 0 0 0 0 0 0 1 7 DAYS WITH PRECIPITATION >= 5 5 1 2 1 0 0 0 0 0 0 1 1 11 DAYS WITH PRECIPITATION >= 1 7 1 5 6 0 0 0 0 0 0 4 4 27 DAYS WITH PRECIPITATION 11 1 6 6 0 0 0 0 0 0 5 4 33 GREATEST DAILY PRECIPITATION 52.5 22.0 11.0 8.0 0.0 0.0 0.0 0.0 0.0 0.0 6.0 20.0 52.5 DAY 16 2 12 10 ** ** ** ** ** ** 11 13 DAY WITH THUNDER STORM 1 0 1 0 0 0 0 1 0 0 0 0 3 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 1 2 0 7 5 9 3 2 1 0 1 31 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 2.2 3.1 4.3 2.9 3.6 4.5 4.5 2.6 2.6 2.2 2.3 2.2 3.2 PREVAILING WIND PERCENT 36.8 53.6 42.6 34.7 64.5 54.0 62.6 59.4 81.3 50.3 45.3 25.8 50.8 CALMS PERCENT OF WIND 11.0 3.6 2.6 4.0 4.5 2.7 1.9 5.2 1.3 11.0 13.3 11.0 6.0 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 282 247 261 238 271 290 263 265 277 265 277 270 270 VECTOR WIND MAGNITUDE(KNOTS) 0.3 1.3 1.6 1.0 2.6 3.7 3.0 1.7 2.5 1.3 1.3 0.6 1.7 WIND STEADINESES (MEAN %) 11.1 36.1 35.6 33.3 76.5 82.2 81.1 73.9 92.6 65.0 59.1 25.0 54.8 WIND SPEED (MEAN KNOTS) 2.7 3.6 4.5 3.0 3.4 4.5 3.7 2.3 2.7 2.0 2.2 2.4 3.1 FASTEST WIND DIRECTION 120 120 310 130 210 290 270 300 310 280 170 180 120 FASTEST WIND SPEED (KNOTS) 18 15 17 8 16 18 16 8 10 8 6 18 18 DAY 20 24 22 5 7 6 14 5 26 24 11 13 DAYS WITH SKY CLEAR (0-2)/8 10 14 11 13 27 29 31 31 30 28 15 17 256 DAYS WITH P.CLOUDY (3-6)/8 9 9 16 9 4 1 0 0 0 3 13 11 75 DAYS WITH CLOUDY (7-8)/8 12 5 4 8 0 0 0 0 0 0 2 3 34 DAYS WITH VISIBILITY =< 2 KM 6 1 0 0 1 3 1 0 0 0 0 0 12 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1021.0 1019.0 1017.3 1013.6 1003.6 998.3 992.8 994.7 1000.1 1009.3 1015.5 1015.7 1008.4 MAX. QFE PRESSURE IN HPA 1027.4 1025.4 1027.1 1018.3 1009.6 1004.0 998.8 999.1 1005.8 1016.4 1024.9 1023.1 1027.4 DAY-HOUR 24- 6 22- 6 3- 6 19- 6 8- 6 10- 6 25- 6 24- 6 25- 6 24- 6 30- 6 1- 6 MIN. QFE PRESSURE IN HPA 1012.9 1013.5 1006.1 1007.1 998.0 991.3 988.2 990.5 996.0 1001.7 1006.3 1006.3 988.2 DAY-HOUR 20- 3 1-15 12- 9 8- 3 22-15 29-15 1-12 15-15 16-12 1-12 22-12 21-15 MEAN QNH PRESSURE IN HPA 1023.4 1021.4 1019.7 1016.0 1006.0 1000.7 995.1 997.1 1002.5 1011.7 1017.9 1018.1 1010.8 MAX. QNH PRESSURE IN HPA 1029.8 1027.8 1029.5 1020.7 1012.0 1006.4 1001.2 1001.5 1008.2 1018.8 1027.3 1025.5 1029.8 DAY-HOUR 24- 6 22- 6 3- 6 19- 6 8- 6 10- 6 25- 6 24- 6 25- 6 24- 6 30- 6 1- 6 MIN. QNH PRESSURE IN HPA 1015.3 1015.9 1008.5 1009.5 1000.4 993.7 990.6 992.9 998.4 1004.1 1008.7 1008.7 990.6 DAY-HOUR 20- 3 1-15 12- 9 8- 3 22-15 29-15 1-12 15-15 16-12 1-12 22-12 21-15 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 1021.2 1019.3 1017.6 1013.7 1004.2 999.0 993.5 995.3 1000.6 1009.8 1016.0 1016.4 1008.9 MAX. QFE PRESSURE IN HPA 1026.1 1024.0 1025.4 1016.9 1008.6 1003.7 998.2 998.8 1004.7 1015.2 1024.2 1022.4 1026.1 DAY 25 22 3 19 10 11 25 25 25 24 29 1 MIN. QFE PRESSURE IN HPA 1012.9 1014.2 1007.8 1007.1 999.9 993.9 990.6 992.0 997.1 1003.1 1007.3 1007.5 990.6 DAY 20 1 30 8 22 29 17 7 16 3 22 22 MEAN QNH PRESSURE IN HPA 1023.6 1021.7 1020.1 1016.1 1006.6 1001.4 995.9 997.6 1003.0 1012.2 1018.4 1018.8 1011.3 MAX. QNH PRESSURE IN HPA 1028.5 1026.4 1027.8 1019.3 1011.0 1006.1 1000.6 1001.2 1007.1 1017.6 1026.6 1024.8 1028.5 DAY 25 22 3 19 10 11 25 25 25 24 29 1 MIN. QNH PRESSURE IN HPA 1015.3 1016.6 1010.2 1009.5 1002.3 996.3 993.0 994.4 999.5 1005.5 1009.7 1009.9 993.0 DAY 20 1 30 8 22 29 17 7 16 3 22 22 MEAN QFF PRESSURE IN HPA 1023.9 1022.0 1020.3 1016.3 1006.7 1001.5 996.0 997.7 1003.2 1012.4 1018.7 1019.1 1011.5 MAX. QFF PRESSURE IN HPA 1028.9 1026.7 1028.1 1019.6 1011.2 1006.2 1000.7 1001.3 1007.3 1017.8 1027.0 1025.2 1028.9 DAY 25 22 3 19 10 11 25 25 30 24 29 1 MIN. QFF PRESSURE IN HPA 1015.6 1016.9 1010.5 1009.7 1002.4 996.3 993.1 994.5 999.6 1005.7 1009.9 1010.2 993.1 DAY 20 1 30 8 22 29 17 7 16 3 22 22 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1022.6 1020.3 1018.6 1014.8 1004.6 999.3 993.7 995.8 1001.3 1010.4 1016.7 1017.0 1009.6 MAX. QFE PRESSURE IN HPA 1027.4 1025.4 1027.1 1018.3 1009.6 1004.0 998.8 999.1 1005.8 1016.4 1024.9 1023.1 1027.4 DAY 24 22 3 19 8 10 25 24 25 24 30 1 MIN. QFE PRESSURE IN HPA 1014.2 1015.9 1008.8 1007.5 1000.1 994.0 990.8 992.5 998.2 1003.6 1008.0 1008.1 990.8 DAY 20 1 30 8 22 29 17 7 16 3 22 22 MEAN QNH PRESSURE IN HPA 1025.0 1022.7 1021.0 1017.2 1007.0 1001.6 996.1 998.2 1003.7 1012.8 1019.2 1019.4 1012.0 MAX. QNH PRESSURE IN HPA 1029.8 1027.8 1029.5 1020.7 1012.0 1006.4 1001.2 1001.5 1008.2 1018.8 1027.3 1025.5 1029.8 DAY 24 22 3 19 8 10 25 24 25 24 30 1 MIN. QNH PRESSURE IN HPA 1016.6 1018.3 1011.2 1009.9 1002.5 996.4 993.2 994.9 1000.6 1006.0 1010.4 1010.5 993.2 DAY 20 1 30 8 22 29 17 7 16 3 22 22 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 1021.2 1019.4 1017.7 1014.2 1004.1 998.8 993.4 995.3 1000.5 1009.7 1015.8 1016.0 1008.8 MAX. QFE PRESSURE IN HPA 1026.8 1024.7 1026.4 1017.6 1008.2 1003.4 998.1 998.8 1004.5 1015.5 1023.6 1022.5 1026.8 DAY 24 22 3 19 10 10 25 24 30 24 30 1 MIN. QFE PRESSURE IN HPA 1013.9 1014.9 1006.1 1007.8 999.5 993.8 990.3 992.4 997.3 1002.8 1007.6 1007.8 990.3 DAY 20 1 12 8 22 29 6 6 16 3 22 22 MEAN QNH PRESSURE IN HPA 1023.7 1021.8 1020.2 1016.6 1006.4 1001.2 995.7 997.7 1002.9 1012.1 1018.2 1018.4 1011.2 MAX. QNH PRESSURE IN HPA 1029.2 1027.1 1028.8 1020.0 1010.6 1005.8 1000.5 1001.2 1006.9 1017.9 1026.0 1024.9 1029.2 DAY 24 22 3 19 10 10 25 24 30 24 30 1 MIN. QNH PRESSURE IN HPA 1016.3 1017.3 1008.5 1010.2 1001.9 996.2 992.7 994.8 999.7 1005.2 1010.0 1010.2 992.7 DAY 20 1 12 8 22 29 6 6 16 3 22 22 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 1020.0 1018.0 1016.2 1012.5 1002.7 997.4 991.8 993.7 999.2 1008.2 1014.3 1014.6 1007.4 MAX. QFE PRESSURE IN HPA 1025.7 1023.4 1025.4 1015.9 1006.6 1002.7 995.7 996.7 1003.2 1013.8 1022.5 1021.5 1025.7 DAY 24 22 3 26 2 10 24 25 25 23 30 1 MIN. QFE PRESSURE IN HPA 1012.9 1014.2 1006.4 1007.5 998.3 992.3 988.2 990.8 996.0 1001.7 1006.3 1006.5 988.2 DAY 20 1 12 8 22 25 1 15 16 1 22 21 MEAN QNH PRESSURE IN HPA 1022.4 1020.4 1018.6 1015.0 1005.1 999.8 994.1 996.1 1001.5 1010.6 1016.7 1017.0 1009.8 MAX. QNH PRESSURE IN HPA 1028.1 1025.8 1027.8 1018.3 1009.0 1005.1 998.1 999.1 1005.6 1016.2 1024.9 1023.9 1028.1 DAY 24 22 3 26 2 10 24 25 25 23 30 1 MIN. QNH PRESSURE IN HPA 1015.3 1016.6 1008.8 1009.9 1000.7 994.7 990.6 993.2 998.4 1004.1 1008.7 1008.9 990.6 DAY 20 1 12 8 22 25 1 15 16 1 22 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1020.2 1017.9 1016.2 1012.6 1002.7 997.2 991.7 993.4 999.0 1008.4 1014.6 1014.7 1007.4 MAX. QFE PRESSURE IN HPA 1026.1 1023.0 1024.7 1015.9 1006.8 1002.3 995.9 996.3 1003.2 1014.5 1022.8 1021.7 1026.1 DAY 24 22 3 11 2 10 24 24 30 23 30 1 MIN. QFE PRESSURE IN HPA 1014.2 1013.5 1006.1 1007.5 998.0 991.3 988.7 990.5 996.0 1001.9 1006.5 1006.3 988.7 DAY 20 1 12 8 22 29 1 15 16 1 22 21 MEAN QNH PRESSURE IN HPA 1022.6 1020.3 1018.6 1015.0 1005.1 999.6 994.0 995.8 1001.4 1010.8 1017.0 1017.1 1009.8 MAX. QNH PRESSURE IN HPA 1028.5 1025.4 1027.1 1018.3 1009.2 1004.7 998.3 998.7 1005.6 1016.9 1025.2 1024.1 1028.5 DAY 24 22 3 11 2 10 24 24 30 23 30 1 MIN. QNH PRESSURE IN HPA 1016.6 1015.9 1008.5 1009.9 1000.4 993.7 991.1 992.9 998.4 1004.3 1008.9 1008.7 991.1 DAY 20 1 12 8 22 29 1 15 16 1 22 21 MEAN QFF PRESSURE IN HPA 1023.0 1020.6 1018.9 1015.3 1005.2 999.7 994.1 995.9 1001.6 1011.1 1017.3 1017.4 1010.0 MAX. QFF PRESSURE IN HPA 1028.9 1025.7 1027.4 1018.6 1009.4 1004.8 998.4 998.8 1005.8 1017.1 1025.6 1024.5 1028.9 DAY 24 22 3 11 2 10 24 24 30 23 30 1 MIN. QFF PRESSURE IN HPA 1016.9 1016.2 1008.8 1010.2 1000.5 993.7 991.1 993.0 998.5 1004.5 1009.1 1009.0 991.1 DAY 20 1 12 8 22 29 1 15 16 1 22 21 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.9 16.2 21.6 25.2 33.0 37.5 40.4 39.9 35.2 31.3 21.6 16.3 27.7 MINIMUN AIR TEMPERATURE (C) 7.5 9.0 13.0 16.6 22.5 24.4 27.9 28.5 22.4 19.0 12.1 8.7 17.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 26 27 31 31 22 5 0 0 144 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) 4.0 3.0 7.0 12.0 14.0 20.0 23.0 25.0 18.0 15.0 4.0 3.0 3.0 DAY 17 24 12 6 1 12 8 26 23 31 29 4 MAXIMUM AIR TEMPERATURE (C) 18.5 21.3 27.5 30.6 38.7 44.9 47.1 46.5 42.8 37.8 27.6 22.0 33.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 7 23 31 30 31 31 30 31 5 0 219 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.0 27.0 31.0 36.0 44.0 47.0 49.0 48.0 46.0 40.0 35.0 25.0 49.0 DAY 18 16 14 8 20 14 7 1 4 1 2 8 DIF. BETWEEN (MAX.-MIN.) (C) 11.0 12.3 14.5 14.0 16.2 20.5 19.2 18.0 20.4 18.8 15.5 13.3 16.2 MEAN DAILY TEMP. (MDT) (C) 13.0 15.1 20.3 23.6 30.6 34.7 37.5 37.5 32.6 28.4 19.8 15.4 25.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 17.0 81.0 298.5 410.0 511.0 512.0 348.0 229.0 27.0 0.0 2433.5 HEATING DEG. DAYS(BASE 18 0C) 155.0 85.0 9.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 17.5 83.5 350.0 DEWPOINT (MEAN C) 8.5 7.0 10.3 12.0 12.3 10.7 12.5 15.3 12.9 13.4 9.6 8.7 11.1 MIXING RATIO (G/KG) 7.01 6.48 7.97 9.18 9.20 8.65 9.92 11.76 9.92 9.98 7.91 7.30 8.77 VAPOUR PRESSURE (HPA) 11.32 10.45 12.78 14.62 14.63 13.68 15.58 18.45 15.71 15.94 12.74 11.77 13.97 SATURATION DEF. (HPA) 5.05 8.77 14.25 18.75 38.14 53.84 62.57 57.69 45.24 32.12 14.78 7.53 29.89 RELATIVE HUMIDITY (MEAN %) 72 58 52 48 32 24 24 28 31 38 52 64 44 RELATIVE HUMIDITY (MAX. %) 87 79 78 76 57 45 49 55 57 69 79 83 68 RELATIVE HUMIDITY (MIN. %) 57 40 33 33 21 13 11 14 16 24 36 50 29 RELATIVE HUMIDITY (MEAN% 03UTC) 86 78 77 74 56 45 49 55 57 69 78 82 67 RELATIVE HUMIDITY (MEAN% 09UTC) 65 48 40 38 24 16 15 19 19 29 43 56 34 RELATIVE HUMIDITY (MEAN% 15UTC) 71 59 52 42 26 17 13 17 31 28 44 62 39 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 38.0 29.0 0.0 55.0 0.0 0.0 0.0 0.0 0.0 0.0 21.0 30.0 173.0 DAYS WITH PRECIPITATION >=10 2 1 0 2 0 0 0 0 0 0 1 1 7 DAYS WITH PRECIPITATION >= 5 3 3 0 4 0 0 0 0 0 0 2 2 14 DAYS WITH PRECIPITATION >= 1 6 3 0 5 0 0 0 0 0 0 3 6 23 DAYS WITH PRECIPITATION 6 3 0 5 0 0 0 0 0 0 3 6 23 GREATEST DAILY PRECIPITATION 12.0 17.0 0.0 23.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 15.0 23.0 DAY 8 28 ** 20 ** ** ** ** ** ** 10 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 1 4 2 5 1 4 6 4 2 2 0 1 32 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 2.9 2.8 2.3 2.9 2.4 3.3 2.9 2.5 2.2 2.6 3.1 2.9 2.8 PREVAILING WIND PERCENT 43.9 37.1 45.8 40.7 38.1 57.3 60.6 40.6 45.3 40.6 42.7 43.9 44.8 CALMS PERCENT OF WIND 9.7 7.9 20.6 5.3 14.8 2.7 1.3 9.7 2.0 0.0 1.3 5.2 6.7 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 241 254 246 257 283 273 264 232 277 281 271 263 263 VECTOR WIND MAGNITUDE(KNOTS) 0.8 0.8 0.8 0.8 0.9 1.7 1.7 1.1 1.0 0.8 1.3 1.1 1.0 WIND STEADINESES (MEAN %) 27.6 30.8 42.1 20.0 37.5 56.7 54.8 40.7 43.5 29.6 39.4 33.3 34.5 WIND SPEED (MEAN KNOTS) 2.9 2.6 1.9 4.0 2.4 3.0 3.1 2.7 2.3 2.7 3.3 3.3 2.9 FASTEST WIND DIRECTION 180 90 270 360 180 270 270 180 360 180 180 180 360 FASTEST WIND SPEED (KNOTS) 16 8 6 44 8 13 13 8 8 12 13 8 44 DAY 7 3 28 20 4 9 4 11 8 10 7 9 DAYS WITH SKY CLEAR (0-2)/8 15 15 24 23 29 30 31 30 30 28 25 19 299 DAYS WITH P.CLOUDY (3-6)/8 11 3 5 5 1 0 0 1 0 3 2 7 38 DAYS WITH CLOUDY (7-8)/8 5 10 2 2 1 0 0 0 0 0 3 5 28 DAYS WITH VISIBILITY =< 2 KM 0 0 0 4 0 1 2 0 0 0 0 1 8 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1016.4 1014.3 1011.6 1007.3 1004.1 998.6 995.3 997.6 1002.2 1010.7 1015.9 1016.3 1007.5 MAX. QFE PRESSURE IN HPA 1022.3 1022.3 1020.9 1012.8 1011.7 1003.9 999.8 1002.7 1014.6 1017.0 1020.8 1022.2 1022.3 DAY-HOUR 30- 6 10- 6 3- 6 24- 6 12- 3 2-15 31- 6 25- 6 29- 6 27- 6 24- 6 2- 6 MIN. QFE PRESSURE IN HPA 1008.0 1001.7 1003.6 1001.5 998.0 993.7 990.9 992.6 996.7 999.6 1010.0 1009.1 990.9 DAY-HOUR 22- 9 20-12 28- 3 28-15 24-12 29-15 8-15 2-15 15-15 4-15 3-15 9-12 MEAN QNH PRESSURE IN HPA 1018.8 1016.7 1014.0 1009.7 1006.5 1001.0 997.7 1000.0 1004.6 1013.1 1018.3 1018.7 1009.9 MAX. QNH PRESSURE IN HPA 1024.7 1024.7 1023.3 1015.2 1014.1 1006.3 1002.2 1005.1 1017.0 1019.4 1023.2 1024.6 1024.7 DAY-HOUR 30- 6 10- 6 3- 6 24- 6 12- 3 2-15 31- 6 25- 6 29- 6 27- 6 24- 6 2- 6 MIN. QNH PRESSURE IN HPA 1010.4 1004.1 1006.0 1003.9 1000.4 996.1 993.3 995.0 999.1 1002.0 1012.4 1011.5 993.3 DAY-HOUR 22- 9 20-12 28- 3 28-15 24-12 29-15 8-15 2-15 15-15 4-15 3-15 9-12 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 1016.8 1014.9 1011.9 1007.6 1004.4 998.6 995.4 997.7 1002.5 1010.9 1016.3 1016.4 1007.8 MAX. QFE PRESSURE IN HPA 1021.4 1021.4 1020.4 1012.2 1011.7 1003.0 999.4 1001.5 1012.2 1016.2 1019.7 1020.8 1021.4 DAY 30 10 3 24 12 10 31 24 29 28 24 2 MIN. QFE PRESSURE IN HPA 1009.8 1006.8 1003.6 1002.2 998.3 993.8 991.5 993.5 998.2 1000.8 1011.9 1009.2 991.5 DAY 22 20 28 28 24 30 8 2 16 4 2 9 MEAN QNH PRESSURE IN HPA 1019.2 1017.3 1014.3 1010.0 1006.8 1001.0 997.8 1000.0 1004.9 1013.3 1018.7 1018.8 1010.2 MAX. QNH PRESSURE IN HPA 1023.8 1023.8 1022.8 1014.6 1014.1 1005.4 1001.8 1003.9 1014.6 1018.6 1022.1 1023.2 1023.8 DAY 30 10 3 24 12 10 31 24 29 28 24 2 MIN. QNH PRESSURE IN HPA 1012.2 1009.2 1006.0 1004.6 1000.7 996.2 993.9 995.9 1000.6 1003.2 1014.3 1011.6 993.9 DAY 22 20 28 28 24 30 8 2 16 4 2 9 MEAN QFF PRESSURE IN HPA 1019.5 1017.6 1014.5 1010.2 1006.9 1001.1 997.8 1000.1 1005.1 1013.5 1018.9 1019.1 1010.4 MAX. QFF PRESSURE IN HPA 1024.2 1024.2 1023.1 1014.8 1014.3 1005.6 1001.8 1004.0 1014.8 1018.8 1022.4 1023.6 1024.2 DAY 30 11 3 24 12 10 31 25 29 28 24 2 MIN. QFF PRESSURE IN HPA 1012.5 1009.5 1006.2 1004.8 1000.8 996.3 993.9 995.9 1000.7 1003.4 1014.5 1011.9 993.9 DAY 22 20 28 28 24 30 8 2 16 4 2 9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1017.7 1015.5 1012.5 1008.3 1004.9 999.2 995.9 998.2 1003.4 1011.7 1017.0 1017.4 1008.5 MAX. QFE PRESSURE IN HPA 1022.3 1022.3 1020.9 1012.8 1011.7 1003.2 999.8 1002.7 1014.6 1017.0 1020.8 1022.2 1022.3 DAY 30 10 3 24 12 10 31 25 29 27 24 2 MIN. QFE PRESSURE IN HPA 1010.0 1006.7 1004.4 1002.5 998.6 994.7 992.2 994.0 999.1 1001.4 1012.4 1010.5 992.2 DAY 22 20 28 28 24 30 8 2 16 4 2 9 MEAN QNH PRESSURE IN HPA 1020.1 1017.9 1014.9 1010.7 1007.3 1001.6 998.2 1000.5 1005.8 1014.1 1019.4 1019.8 1010.9 MAX. QNH PRESSURE IN HPA 1024.7 1024.7 1023.3 1015.2 1014.1 1005.6 1002.2 1005.1 1017.0 1019.4 1023.2 1024.6 1024.7 DAY 30 10 3 24 12 10 31 25 29 27 24 2 MIN. QNH PRESSURE IN HPA 1012.4 1009.1 1006.8 1004.9 1001.0 997.1 994.6 996.4 1001.5 1003.8 1014.8 1012.9 994.6 DAY 22 20 28 28 24 30 8 2 16 4 2 9 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 1016.5 1014.7 1011.7 1007.6 1004.3 998.7 995.4 997.8 1002.8 1011.0 1016.3 1016.6 1007.8 MAX. QFE PRESSURE IN HPA 1021.3 1021.7 1020.1 1011.8 1010.6 1003.1 999.4 1001.8 1013.3 1016.8 1019.7 1021.1 1021.7 DAY 30 10 3 23 12 2 31 25 29 27 28 2 MIN. QFE PRESSURE IN HPA 1008.0 1004.3 1004.8 1002.3 998.2 994.7 991.8 993.8 998.7 1000.7 1011.1 1009.7 991.8 DAY 22 20 28 28 24 29 8 2 5 4 3 9 MEAN QNH PRESSURE IN HPA 1018.9 1017.1 1014.1 1009.9 1006.7 1001.1 997.8 1000.1 1005.2 1013.4 1018.7 1019.0 1010.2 MAX. QNH PRESSURE IN HPA 1023.7 1024.1 1022.5 1014.2 1013.0 1005.5 1001.8 1004.2 1015.7 1019.2 1022.1 1023.5 1024.1 DAY 30 10 3 23 12 2 31 25 29 27 28 2 MIN. QNH PRESSURE IN HPA 1010.4 1006.7 1007.2 1004.7 1000.6 997.1 994.2 996.2 1001.1 1003.1 1013.5 1012.1 994.2 DAY 22 20 28 28 24 29 8 2 5 4 3 9 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 1015.3 1013.2 1011.0 1006.9 1003.7 998.4 995.2 997.4 1001.1 1010.2 1015.2 1015.7 1006.9 MAX. QFE PRESSURE IN HPA 1019.5 1020.1 1020.6 1011.3 1010.0 1003.7 999.2 1001.2 1010.9 1016.4 1018.6 1019.3 1020.6 DAY 24 10 4 30 12 2 31 24 29 27 28 3 MIN. QFE PRESSURE IN HPA 1008.5 1001.7 1004.0 1001.9 998.0 994.1 991.4 993.2 997.6 1000.2 1010.7 1009.1 991.4 DAY 22 20 27 28 24 29 8 2 15 4 3 9 MEAN QNH PRESSURE IN HPA 1017.7 1015.6 1013.4 1009.3 1006.1 1000.8 997.6 999.8 1003.5 1012.6 1017.6 1018.2 1009.3 MAX. QNH PRESSURE IN HPA 1021.9 1022.5 1023.0 1013.7 1012.4 1006.1 1001.6 1003.6 1013.3 1018.8 1021.0 1021.7 1023.0 DAY 24 10 4 30 12 2 31 24 29 27 28 3 MIN. QNH PRESSURE IN HPA 1010.9 1004.1 1006.4 1004.3 1000.4 996.5 993.8 995.6 1000.0 1002.6 1013.1 1011.5 993.8 DAY 22 20 27 28 24 29 8 2 15 4 3 9 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1015.6 1013.2 1010.9 1006.4 1003.2 998.2 994.9 997.1 1001.2 1009.8 1014.9 1015.5 1006.7 MAX. QFE PRESSURE IN HPA 1019.8 1019.7 1020.5 1011.9 1009.6 1003.9 999.2 1001.2 1011.5 1015.4 1018.2 1019.8 1020.5 DAY 18 10 4 30 12 2 31 8 29 27 26 2 MIN. QFE PRESSURE IN HPA 1009.7 1002.4 1004.0 1001.5 998.0 993.7 990.9 992.6 996.7 999.6 1010.0 1009.1 990.9 DAY 22 20 27 28 24 29 8 2 15 4 3 9 MEAN QNH PRESSURE IN HPA 1018.0 1015.6 1013.3 1008.8 1005.6 1000.5 997.3 999.4 1003.6 1012.2 1017.3 1017.9 1009.1 MAX. QNH PRESSURE IN HPA 1022.2 1022.1 1022.9 1014.3 1012.0 1006.3 1001.6 1003.6 1013.9 1017.8 1020.6 1022.2 1022.9 DAY 18 10 4 30 12 2 31 8 29 27 26 2 MIN. QNH PRESSURE IN HPA 1012.1 1004.8 1006.4 1003.9 1000.4 996.1 993.3 995.0 999.1 1002.0 1012.4 1011.5 993.3 DAY 22 20 27 28 24 29 8 2 15 4 3 9 MEAN QFF PRESSURE IN HPA 1018.3 1015.9 1013.5 1009.0 1005.7 1000.7 997.4 999.5 1003.7 1012.4 1017.5 1018.2 1009.3 MAX. QFF PRESSURE IN HPA 1022.6 1022.4 1023.2 1014.5 1012.2 1006.4 1001.7 1003.7 1014.1 1018.0 1020.9 1022.5 1023.2 DAY 18 10 4 30 12 2 31 8 29 27 26 2 MIN. QFF PRESSURE IN HPA 1012.4 1005.1 1006.6 1004.1 1000.5 996.2 993.3 995.0 999.2 1002.1 1012.6 1011.8 993.3 DAY 22 20 27 28 24 29 8 2 15 4 3 9 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 15.4 18.6 18.6 26.1 28.2 37.2 39.4 38.4 34.6 29.5 20.3 13.3 26.6 MINIMUN AIR TEMPERATURE (C) 8.3 11.1 10.7 18.7 20.3 25.8 28.2 25.9 22.2 19.8 12.0 5.9 17.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 6 14 30 31 31 25 11 2 0 150 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) 4.0 7.0 4.0 15.0 15.0 23.0 26.0 22.0 19.0 16.0 6.0 1.0 1.0 DAY 20 8 9 1 3 1 9 28 30 30 28 28 MAXIMUM AIR TEMPERATURE (C) 20.8 24.3 24.1 31.3 32.9 42.9 46.1 45.2 41.5 35.9 26.4 18.4 32.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 20 24 30 31 31 30 31 3 0 200 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 26.0 27.0 29.0 36.0 39.0 46.0 48.0 48.0 44.0 40.0 33.0 23.0 48.0 DAY 29 22 25 23 24 5 17 1 6 2 1 20 DIF. BETWEEN (MAX.-MIN.) (C) 12.5 13.2 13.4 12.6 12.6 17.1 17.9 19.3 19.3 16.1 14.4 12.5 15.1 MEAN DAILY TEMP. (MDT) (C) 14.6 17.7 17.4 25.0 26.6 34.3 37.1 35.6 31.8 27.9 19.2 12.1 24.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 3.5 2.5 121.0 173.5 400.5 499.5 451.5 325.0 213.5 17.0 0.0 2207.5 HEATING DEG. DAYS(BASE 18 0C) 114.5 30.0 44.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 19.5 181.5 390.0 DEWPOINT (MEAN C) 9.3 10.1 7.5 12.5 14.3 13.2 15.3 14.3 11.7 13.7 7.5 5.0 11.2 MIXING RATIO (G/KG) 7.47 7.84 6.61 9.32 10.46 9.97 11.54 11.04 9.00 10.26 6.73 5.60 8.82 VAPOUR PRESSURE (HPA) 12.05 12.62 10.63 14.86 16.62 15.74 18.09 17.32 14.28 16.38 10.85 9.07 14.04 SATURATION DEF. (HPA) 6.19 9.64 11.89 20.47 23.27 50.39 56.36 53.41 43.59 26.84 14.23 6.86 26.93 RELATIVE HUMIDITY (MEAN %) 69 61 51 47 47 27 27 28 29 42 47 60 45 RELATIVE HUMIDITY (MAX. %) 86 82 75 70 70 46 45 53 53 69 70 80 67 RELATIVE HUMIDITY (MIN. %) 57 45 37 33 34 17 17 16 17 26 31 43 31 RELATIVE HUMIDITY (MEAN% 03UTC) 85 82 74 69 69 46 45 53 52 69 69 78 66 RELATIVE HUMIDITY (MEAN% 09UTC) 59 50 40 39 38 20 20 20 20 32 36 50 35 RELATIVE HUMIDITY (MEAN% 15UTC) 71 61 52 44 44 23 22 20 20 33 44 56 41 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 11.3 21.0 5.0 28.0 53.5 0.0 0.0 0.0 0.0 0.0 2.0 37.0 157.8 DAYS WITH PRECIPITATION >=10 1 0 0 1 2 0 0 0 0 0 0 1 5 DAYS WITH PRECIPITATION >= 5 1 2 0 2 3 0 0 0 0 0 0 3 11 DAYS WITH PRECIPITATION >= 1 2 5 3 4 4 0 0 0 0 0 1 6 25 DAYS WITH PRECIPITATION 3 5 3 4 4 0 0 0 0 0 1 6 26 GREATEST DAILY PRECIPITATION 10.0 9.0 3.0 15.0 22.0 0.0 0.0 0.0 0.0 0.0 2.0 17.0 22.0 DAY 25 10 28 4 11 ** ** ** ** ** 4 4 DAY WITH THUNDER STORM 0 1 0 1 0 0 0 0 0 0 0 0 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 0 4 3 4 5 7 6 0 2 2 6 40 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 2.3 2.4 3.0 3.1 2.9 3.3 3.0 2.8 2.5 3.7 2.7 3.0 2.9 PREVAILING WIND PERCENT 38.7 32.1 52.3 40.7 39.4 60.7 76.1 72.3 69.3 37.4 74.0 47.1 53.4 CALMS PERCENT OF WIND 5.2 7.1 3.2 2.7 0.6 0.0 0.0 1.9 2.0 4.5 4.7 14.2 3.8 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 291 267 234 237 224 288 260 261 259 239 260 226 257 VECTOR WIND MAGNITUDE(KNOTS) 0.8 0.6 1.5 1.1 0.6 2.1 2.3 2.0 1.6 0.8 1.5 0.9 1.2 WIND STEADINESES (MEAN %) 29.6 19.4 38.5 30.6 15.8 60.0 79.3 80.0 64.0 23.5 45.5 25.7 37.5 WIND SPEED (MEAN KNOTS) 2.7 3.1 3.9 3.6 3.8 3.5 2.9 2.5 2.5 3.4 3.3 3.5 3.2 FASTEST WIND DIRECTION 360 180 180 180 180 360 270 270 270 270 90 180 180 FASTEST WIND SPEED (KNOTS) 8 8 22 8 15 12 10 8 6 13 20 18 22 DAY 24 25 16 18 2 15 10 2 25 26 2 30 DAYS WITH SKY CLEAR (0-2)/8 18 13 20 15 20 30 31 31 30 27 23 20 278 DAYS WITH P.CLOUDY (3-6)/8 9 13 8 9 8 0 0 0 0 3 4 8 62 DAYS WITH CLOUDY (7-8)/8 4 2 3 6 3 0 0 0 0 1 3 1 23 DAYS WITH VISIBILITY =< 2 KM 1 0 3 0 1 3 0 1 0 4 2 6 21 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1016.6 1014.7 1012.0 1007.5 1005.4 999.4 994.4 995.4 1003.1 1010.9 1015.3 1017.9 1007.7 MAX. QFE PRESSURE IN HPA 1020.8 1020.2 1018.9 1015.0 1010.6 1005.3 999.2 1000.1 1012.8 1015.3 1020.1 1025.3 1025.3 DAY-HOUR 5- 6 5- 6 22- 6 2- 6 8- 6 1- 3 24- 6 30- 6 24- 6 20- 6 29- 6 11-15 MIN. QFE PRESSURE IN HPA 1010.8 1008.8 1003.6 1000.2 1000.0 992.6 989.6 988.8 994.6 1005.5 1006.4 1005.1 988.8 DAY-HOUR 31-15 10- 3 16- 6 16-15 28-12 30-12 22- 3 12-12 2-12 1-12 2-12 30-12 MEAN QNH PRESSURE IN HPA 1019.0 1017.1 1014.4 1009.9 1007.8 1001.8 996.8 997.7 1005.5 1013.3 1017.8 1020.3 1010.1 MAX. QNH PRESSURE IN HPA 1023.2 1022.6 1021.3 1017.4 1013.0 1007.7 1001.6 1002.5 1015.2 1017.7 1022.5 1027.7 1027.7 DAY-HOUR 5- 6 5- 6 22- 6 2- 6 8- 6 1- 3 24- 6 30- 6 24- 6 20- 6 29- 6 11-15 MIN. QNH PRESSURE IN HPA 1013.2 1011.2 1006.0 1002.6 1002.4 995.0 991.9 991.1 997.0 1007.9 1008.8 1007.5 991.1 DAY-HOUR 31-15 10- 3 16- 6 16-15 28-12 30-12 22- 3 12-12 2-12 1-12 2-12 30-12 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 1016.9 1014.7 1012.0 1007.4 1005.3 999.8 995.2 996.0 1003.3 1011.2 1015.8 1018.1 1008.0 MAX. QFE PRESSURE IN HPA 1019.6 1019.4 1018.0 1014.0 1009.8 1005.3 998.2 999.8 1012.4 1014.2 1019.9 1025.2 1025.2 DAY 5 5 17 1 8 1 24 30 24 30 29 12 MIN. QFE PRESSURE IN HPA 1011.4 1008.8 1004.0 1001.2 1001.4 993.4 989.6 991.6 996.7 1006.7 1012.4 1008.4 989.6 DAY 25 10 16 16 6 30 22 12 3 10 2 2 MEAN QNH PRESSURE IN HPA 1019.3 1017.1 1014.4 1009.8 1007.7 1002.1 997.5 998.4 1005.7 1013.6 1018.2 1020.5 1010.4 MAX. QNH PRESSURE IN HPA 1022.0 1021.8 1020.4 1016.4 1012.2 1007.7 1000.6 1002.2 1014.8 1016.6 1022.3 1027.6 1027.6 DAY 5 5 17 1 8 1 24 30 24 30 29 12 MIN. QNH PRESSURE IN HPA 1013.8 1011.2 1006.4 1003.6 1003.8 995.8 991.9 994.0 999.1 1009.1 1014.8 1010.8 991.9 DAY 25 10 16 16 6 30 22 12 3 10 2 2 MEAN QFF PRESSURE IN HPA 1019.6 1017.4 1014.6 1010.0 1007.9 1002.3 997.6 998.5 1005.8 1013.8 1018.5 1020.8 1010.6 MAX. QFF PRESSURE IN HPA 1022.3 1022.1 1020.7 1016.7 1012.4 1007.8 1000.7 1002.3 1014.9 1016.8 1022.6 1028.0 1028.0 DAY 5 5 17 1 8 1 24 30 24 30 29 12 MIN. QFF PRESSURE IN HPA 1014.1 1011.5 1006.7 1003.8 1004.0 995.8 992.1 994.1 999.2 1009.3 1015.0 1011.1 992.1 DAY 31 10 16 16 6 30 22 12 3 10 2 2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1017.7 1015.4 1012.7 1008.4 1006.0 1000.1 995.3 996.6 1004.5 1011.9 1016.6 1019.1 1008.7 MAX. QFE PRESSURE IN HPA 1020.8 1020.2 1018.9 1015.0 1010.6 1004.9 999.2 1000.1 1012.8 1015.3 1020.1 1025.2 1025.2 DAY 5 5 22 2 8 12 24 30 24 20 29 12 MIN. QFE PRESSURE IN HPA 1012.3 1009.1 1003.6 1002.2 1002.0 994.3 991.9 992.0 997.0 1007.2 1012.6 1008.5 991.9 DAY 31 25 16 16 28 30 28 12 2 10 3 2 MEAN QNH PRESSURE IN HPA 1020.1 1017.8 1015.1 1010.8 1008.4 1002.5 997.7 999.0 1006.9 1014.3 1019.0 1021.5 1011.1 MAX. QNH PRESSURE IN HPA 1023.2 1022.6 1021.3 1017.4 1013.0 1007.3 1001.6 1002.5 1015.2 1017.7 1022.5 1027.6 1027.6 DAY 5 5 22 2 8 12 24 30 24 20 29 12 MIN. QNH PRESSURE IN HPA 1014.7 1011.5 1006.0 1004.6 1004.4 996.7 994.3 994.4 999.4 1009.6 1015.0 1010.9 994.3 DAY 31 25 16 16 28 30 28 12 2 10 3 2 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 1016.7 1014.9 1012.0 1007.6 1005.6 999.6 994.6 995.8 1003.7 1011.3 1015.6 1018.1 1007.9 MAX. QFE PRESSURE IN HPA 1019.5 1019.7 1018.1 1014.3 1010.0 1004.8 998.6 999.3 1012.3 1014.8 1019.2 1023.8 1023.8 DAY 5 5 7 1 3 12 24 30 24 20 28 28 MIN. QFE PRESSURE IN HPA 1011.7 1009.3 1005.0 1000.9 1000.8 993.8 991.4 991.3 996.3 1006.6 1012.0 1007.8 991.3 DAY 31 10 27 16 28 30 12 12 2 10 3 30 MEAN QNH PRESSURE IN HPA 1019.1 1017.3 1014.4 1010.0 1007.9 1001.9 997.0 998.2 1006.1 1013.7 1018.0 1020.5 1010.3 MAX. QNH PRESSURE IN HPA 1021.9 1022.1 1020.5 1016.7 1012.4 1007.2 1001.0 1001.7 1014.7 1017.2 1021.6 1026.2 1026.2 DAY 5 5 7 1 3 12 24 30 24 20 28 28 MIN. QNH PRESSURE IN HPA 1014.1 1011.7 1007.4 1003.3 1003.2 996.2 993.8 993.7 998.7 1009.0 1014.4 1010.2 993.7 DAY 31 10 27 16 28 30 12 12 2 10 3 30 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 1016.1 1014.4 1011.7 1007.1 1005.0 998.7 993.3 993.6 1001.9 1009.9 1014.1 1017.0 1006.9 MAX. QFE PRESSURE IN HPA 1018.9 1018.9 1017.2 1013.4 1009.6 1004.2 995.8 996.2 1010.7 1013.3 1018.6 1023.9 1023.9 DAY 5 5 7 1 3 12 5 30 24 14 28 11 MIN. QFE PRESSURE IN HPA 1011.3 1009.7 1005.0 1000.4 1000.0 992.6 990.0 988.8 994.6 1005.5 1006.4 1005.1 988.8 DAY 31 10 5 16 28 30 28 12 2 1 2 30 MEAN QNH PRESSURE IN HPA 1018.5 1016.8 1014.1 1009.5 1007.4 1001.1 995.7 996.0 1004.3 1012.3 1016.5 1019.4 1009.3 MAX. QNH PRESSURE IN HPA 1021.3 1021.3 1019.6 1015.8 1012.0 1006.6 998.2 998.6 1013.1 1015.7 1021.0 1026.3 1026.3 DAY 5 5 7 1 3 12 5 30 24 14 28 11 MIN. QNH PRESSURE IN HPA 1013.7 1012.1 1007.4 1002.8 1002.4 995.0 992.4 991.1 997.0 1007.9 1008.8 1007.5 991.1 DAY 31 10 5 16 28 30 28 12 2 1 2 30 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1015.9 1014.2 1011.8 1007.0 1005.1 999.0 993.7 995.0 1002.4 1010.2 1014.8 1017.3 1007.2 MAX. QFE PRESSURE IN HPA 1018.6 1018.6 1017.3 1013.0 1009.4 1004.4 996.6 997.6 1011.2 1013.7 1019.6 1025.3 1025.3 DAY 5 5 21 2 3 12 24 30 24 21 28 11 MIN. QFE PRESSURE IN HPA 1010.8 1010.6 1004.7 1000.2 1000.2 992.8 990.5 990.6 995.9 1005.7 1007.5 1007.4 990.5 DAY 31 12 5 16 28 30 12 12 4 1 2 30 MEAN QNH PRESSURE IN HPA 1018.3 1016.6 1014.2 1009.4 1007.5 1001.3 996.1 997.3 1004.8 1012.6 1017.2 1019.8 1009.6 MAX. QNH PRESSURE IN HPA 1021.0 1021.0 1019.7 1015.4 1011.8 1006.8 999.0 1000.0 1013.6 1016.1 1022.0 1027.7 1027.7 DAY 5 5 21 2 3 12 24 30 24 21 28 11 MIN. QNH PRESSURE IN HPA 1013.2 1013.0 1007.1 1002.6 1002.6 995.2 992.9 993.0 998.3 1008.1 1009.9 1009.8 992.9 DAY 31 12 5 16 28 30 12 12 4 1 2 30 MEAN QFF PRESSURE IN HPA 1018.6 1016.9 1014.5 1009.6 1007.7 1001.4 996.1 997.4 1004.9 1012.8 1017.4 1020.1 1009.8 MAX. QFF PRESSURE IN HPA 1021.3 1021.3 1020.0 1015.6 1012.0 1006.9 999.1 1000.1 1013.8 1016.3 1022.3 1028.1 1028.1 DAY 5 5 21 2 3 12 24 30 24 21 28 11 MIN. QFF PRESSURE IN HPA 1013.5 1013.3 1007.4 1002.8 1002.7 995.2 993.0 993.1 998.4 1008.3 1010.1 1010.1 993.0 DAY 31 12 5 16 28 30 12 12 6 1 2 30 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.4 16.9 22.7 26.0 33.6 38.8 38.6 37.4 34.0 26.2 20.3 12.3 26.3 MINIMUN AIR TEMPERATURE (C) 0.2 8.8 14.2 16.5 21.2 25.8 26.9 24.6 20.9 12.6 9.9 5.5 15.6 DAYS WITH MINIMUM TEMP. >=21 0 0 1 1 17 30 31 31 18 0 0 0 129 DAYS WITH MINIMUM TEMP. <=-4 3 0 0 0 0 0 0 0 0 0 0 0 3 DAYS WITH FREEZING MIN.<= 0 13 0 0 0 0 0 0 0 0 0 1 0 14 TEMPERATURE RECORDS LOWEST(C) -7.0 3.0 8.0 13.0 13.0 23.0 24.0 22.0 16.0 8.0 0.0 1.0 -7.0 DAY 20 9 2 12 2 12 1 23 26 29 29 2 MAXIMUM AIR TEMPERATURE (C) 14.0 21.8 27.9 30.6 39.1 44.7 45.2 44.5 41.6 34.4 26.5 17.7 32.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 12 21 31 30 31 31 30 31 7 0 224 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 20.0 27.0 33.0 34.0 44.0 48.0 47.0 46.0 45.0 39.0 32.0 24.0 48.0 DAY 17 25 26 4 21 4 14 6 3 2 1 8 DIF. BETWEEN (MAX.-MIN.) (C) 13.8 13.0 13.7 14.1 17.9 18.9 18.3 19.9 20.7 21.8 16.6 12.2 16.7 MEAN DAILY TEMP. (MDT) (C) 7.1 15.3 21.0 23.6 30.2 35.3 36.0 34.6 31.2 23.5 18.2 11.6 24.0 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 36.0 79.5 284.0 428.5 466.5 421.0 306.5 79.0 4.5 0.0 2105.5 HEATING DEG. DAYS(BASE 18 0C) 338.5 82.0 9.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 35.5 198.0 663.0 DEWPOINT (MEAN C) -3.4 5.5 7.0 6.0 6.7 9.7 13.9 12.8 10.1 1.9 2.4 4.8 6.4 MIXING RATIO (G/KG) 3.08 5.85 6.38 6.09 6.35 7.95 10.68 9.57 8.51 4.62 4.79 5.61 6.62 VAPOUR PRESSURE (HPA) 5.03 9.44 10.26 9.78 10.17 12.59 16.78 15.07 13.48 7.44 7.74 9.08 10.57 SATURATION DEF. (HPA) 6.65 10.61 18.53 25.02 45.22 60.02 55.04 52.65 43.45 29.51 17.75 5.86 30.86 RELATIVE HUMIDITY (MEAN %) 47 50 40 32 22 21 28 26 27 25 35 65 35 RELATIVE HUMIDITY (MAX. %) 68 68 61 58 45 43 58 46 46 51 57 83 57 RELATIVE HUMIDITY (MIN. %) 29 37 27 19 12 11 14 16 16 11 22 49 22 RELATIVE HUMIDITY (MEAN% 03UTC) 59 65 60 58 45 43 58 46 46 51 55 81 56 RELATIVE HUMIDITY (MEAN% 09UTC) 37 44 30 22 13 13 18 18 19 15 25 57 26 RELATIVE HUMIDITY (MEAN% 15UTC) 46 45 35 25 16 13 16 18 20 17 31 65 29 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 1.0 8.0 6.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 63.0 78.0 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 3 3 DAYS WITH PRECIPITATION >= 5 0 1 1 0 0 0 0 0 0 0 0 4 6 DAYS WITH PRECIPITATION >= 1 1 2 1 0 0 0 0 0 0 0 0 7 11 DAYS WITH PRECIPITATION 1 2 1 0 0 0 0 0 0 0 0 7 11 GREATEST DAILY PRECIPITATION 1.0 5.0 6.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 25.0 25.0 DAY 19 4 16 ** ** ** ** ** ** ** ** 13 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 2 6 10 11 9 14 17 10 10 2 7 2 100 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 180 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 3.4 4.0 4.7 7.0 11.9 14.4 11.6 14.4 15.0 8.5 7.8 6.8 10.2 PREVAILING WIND PERCENT 48.4 33.1 35.5 39.3 45.2 60.0 42.6 72.3 52.0 55.5 22.0 34.2 44.9 CALMS PERCENT OF WIND 8.4 9.0 0.0 4.0 5.8 0.0 6.5 1.9 6.7 17.4 24.7 13.5 8.1 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 299 283 182 184 302 296 238 268 272 272 282 260 266 VECTOR WIND MAGNITUDE(KNOTS) 1.8 0.4 2.6 4.4 4.7 9.6 7.0 10.1 6.3 4.5 0.4 1.2 3.6 WIND STEADINESES (MEAN %) 50.0 8.9 31.7 38.9 35.9 60.4 53.0 74.8 51.6 69.2 5.6 18.5 37.5 WIND SPEED (MEAN KNOTS) 3.6 4.5 8.2 11.3 13.1 15.9 13.2 13.5 12.2 6.5 7.1 6.5 9.6 FASTEST WIND DIRECTION 180 90 180 90 360 270 270 270 270 270 130 130 90 FASTEST WIND SPEED (KNOTS) 14 20 40 45 42 40 40 40 45 33 30 32 45 DAY 18 3 12 17 11 12 11 9 30 6 21 12 DAYS WITH SKY CLEAR (0-2)/8 27 17 25 24 27 30 31 31 30 31 20 21 314 DAYS WITH P.CLOUDY (3-6)/8 3 10 6 5 2 0 0 0 0 0 9 6 41 DAYS WITH CLOUDY (7-8)/8 1 2 0 1 1 0 0 0 0 0 1 4 10 DAYS WITH VISIBILITY =< 2 KM 1 4 7 12 4 5 5 3 2 0 5 6 54 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1021.8 1014.5 1011.2 1008.5 1006.6 998.6 995.6 995.5 1002.6 1011.3 1015.1 1018.1 1008.3 MAX. QFE PRESSURE IN HPA 1028.6 1021.6 1019.6 1018.4 1011.5 1006.5 1004.3 999.1 1012.8 1017.5 1021.5 1025.1 1028.6 DAY-HOUR 21- 6 1- 6 14- 6 24- 6 3- 6 2- 6 13- 6 15- 6 29- 6 29- 6 29- 6 3- 6 MIN. QFE PRESSURE IN HPA 1007.9 1006.7 1003.2 997.3 1001.0 994.1 991.0 990.4 995.8 1004.0 1006.2 1010.7 990.4 DAY-HOUR 18-12 29-15 12- 3 17- 9 6-12 27-12 12-12 12-12 2-12 2-12 22-12 16-15 MEAN QNH PRESSURE IN HPA 1024.2 1016.9 1013.6 1010.9 1009.0 1001.0 998.0 997.8 1004.9 1013.7 1017.5 1020.5 1010.7 MAX. QNH PRESSURE IN HPA 1031.0 1024.0 1022.0 1020.8 1013.9 1008.9 1006.7 1001.5 1015.2 1019.9 1023.9 1027.5 1031.0 DAY-HOUR 21- 6 1- 6 14- 6 24- 6 3- 6 2- 6 13- 6 15- 6 29- 6 29- 6 29- 6 3- 6 MIN. QNH PRESSURE IN HPA 1010.3 1009.1 1005.6 999.7 1003.4 996.5 993.4 992.8 998.2 1006.4 1008.6 1013.1 992.8 DAY-HOUR 18-12 29-15 12- 3 17- 9 6-12 27-12 12-12 12-12 2-12 2-12 22-12 16-15 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 1021.7 1014.8 1011.1 1008.5 1006.7 999.0 995.8 995.7 1002.7 1011.4 1015.4 1018.2 1008.4 MAX. QFE PRESSURE IN HPA 1026.6 1021.4 1016.6 1016.4 1011.0 1005.0 1003.4 998.6 1011.5 1016.7 1021.0 1024.5 1026.6 DAY 21 1 14 24 18 3 13 15 29 30 29 3 MIN. QFE PRESSURE IN HPA 1014.0 1011.7 1003.2 999.9 1003.1 994.9 991.4 991.4 997.5 1005.0 1010.4 1011.5 991.4 DAY 18 24 12 17 6 29 12 13 2 2 22 13 MEAN QNH PRESSURE IN HPA 1024.1 1017.2 1013.5 1010.8 1009.1 1001.3 998.2 998.1 1005.1 1013.8 1017.8 1020.7 1010.8 MAX. QNH PRESSURE IN HPA 1029.0 1023.8 1019.0 1018.8 1013.4 1007.4 1005.8 1001.0 1013.9 1019.1 1023.4 1026.9 1029.0 DAY 21 1 14 24 18 3 13 15 29 30 29 3 MIN. QNH PRESSURE IN HPA 1016.4 1014.1 1005.6 1002.3 1005.5 997.3 993.8 993.8 999.9 1007.4 1012.8 1013.9 993.8 DAY 18 24 12 17 6 29 12 13 2 2 22 13 MEAN QFF PRESSURE IN HPA 1024.5 1017.5 1013.8 1011.1 1009.2 1001.4 998.3 998.2 1005.2 1014.0 1018.1 1021.0 1011.0 MAX. QFF PRESSURE IN HPA 1029.5 1024.2 1019.3 1019.0 1013.6 1007.5 1005.9 1001.1 1014.1 1019.4 1023.8 1027.3 1029.5 DAY 21 1 14 24 18 3 13 15 29 30 29 3 MIN. QFF PRESSURE IN HPA 1016.7 1014.4 1005.8 1002.5 1005.7 997.3 993.8 993.9 1000.0 1007.6 1013.0 1014.2 993.8 DAY 18 24 12 17 6 29 12 13 2 2 22 13 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1023.2 1016.0 1012.8 1009.6 1007.7 999.5 996.5 996.3 1003.7 1012.4 1016.4 1019.4 1009.5 MAX. QFE PRESSURE IN HPA 1028.6 1021.6 1019.6 1018.4 1011.5 1006.5 1004.3 999.1 1012.8 1017.5 1021.5 1025.1 1028.6 DAY 21 1 14 24 3 2 13 15 29 29 29 3 MIN. QFE PRESSURE IN HPA 1013.7 1011.5 1006.8 998.6 1002.8 995.3 992.9 992.3 998.5 1006.5 1011.2 1013.2 992.3 DAY 18 13 12 17 6 23 12 13 2 2 21 31 MEAN QNH PRESSURE IN HPA 1025.7 1018.4 1015.2 1012.0 1010.1 1001.8 998.9 998.7 1006.1 1014.8 1018.8 1021.8 1011.9 MAX. QNH PRESSURE IN HPA 1031.0 1024.0 1022.0 1020.8 1013.9 1008.9 1006.7 1001.5 1015.2 1019.9 1023.9 1027.5 1031.0 DAY 21 1 14 24 3 2 13 15 29 29 29 3 MIN. QNH PRESSURE IN HPA 1016.1 1013.9 1009.2 1001.0 1005.2 997.7 995.3 994.7 1000.9 1008.9 1013.6 1015.6 994.7 DAY 18 13 12 17 6 23 12 13 2 2 21 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 1021.9 1015.1 1011.8 1008.9 1007.0 998.8 996.0 995.7 1003.0 1011.4 1015.4 1018.2 1008.6 MAX. QFE PRESSURE IN HPA 1027.4 1020.4 1018.6 1017.5 1010.9 1004.8 1003.7 998.7 1011.5 1016.6 1020.7 1024.3 1027.4 DAY 21 1 14 24 3 3 13 27 29 29 28 3 MIN. QFE PRESSURE IN HPA 1011.2 1010.5 1006.0 997.3 1001.8 995.2 992.5 991.7 997.6 1005.6 1009.3 1012.5 991.7 DAY 18 23 12 17 6 23 12 13 3 2 22 31 MEAN QNH PRESSURE IN HPA 1024.4 1017.5 1014.2 1011.3 1009.4 1001.2 998.3 998.1 1005.4 1013.8 1017.8 1020.7 1011.0 MAX. QNH PRESSURE IN HPA 1029.8 1022.8 1021.0 1019.9 1013.3 1007.2 1006.1 1001.1 1013.9 1019.0 1023.1 1026.7 1029.8 DAY 21 1 14 24 3 3 13 27 29 29 28 3 MIN. QNH PRESSURE IN HPA 1013.6 1012.9 1008.4 999.7 1004.2 997.6 994.9 994.1 1000.0 1008.0 1011.7 1014.9 994.1 DAY 18 23 12 17 6 23 12 13 3 2 22 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 1020.7 1013.1 1010.1 1007.5 1005.6 997.8 994.6 994.5 1001.5 1010.3 1014.0 1017.3 1007.3 MAX. QFE PRESSURE IN HPA 1027.2 1017.4 1017.2 1015.9 1009.4 1003.3 1003.5 997.4 1010.5 1015.6 1019.8 1023.0 1027.2 DAY 31 1 14 24 17 1 13 14 29 29 28 3 MIN. QFE PRESSURE IN HPA 1007.9 1007.9 1005.3 997.9 1001.0 994.1 991.0 990.4 995.8 1004.0 1006.2 1010.9 990.4 DAY 18 29 12 17 6 27 12 12 2 2 22 16 MEAN QNH PRESSURE IN HPA 1023.1 1015.5 1012.5 1009.9 1008.0 1000.2 997.0 996.9 1003.9 1012.7 1016.4 1019.7 1009.7 MAX. QNH PRESSURE IN HPA 1029.6 1019.8 1019.6 1018.3 1011.8 1005.7 1005.9 999.8 1012.9 1018.0 1022.2 1025.4 1029.6 DAY 31 1 14 24 17 1 13 14 29 29 28 3 MIN. QNH PRESSURE IN HPA 1010.3 1010.3 1007.7 1000.3 1003.4 996.5 993.4 992.8 998.2 1006.4 1008.6 1013.3 992.8 DAY 18 29 12 17 6 27 12 12 2 2 22 16 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1021.4 1013.6 1010.4 1008.0 1006.0 998.2 995.3 995.1 1001.9 1010.8 1014.3 1017.6 1007.7 MAX. QFE PRESSURE IN HPA 1027.2 1018.6 1016.8 1016.7 1010.4 1003.7 1003.9 998.0 1010.1 1016.1 1020.1 1023.3 1027.2 DAY 21 16 14 24 17 1 13 14 29 29 29 3 MIN. QFE PRESSURE IN HPA 1007.9 1006.7 1005.8 1000.9 1001.5 994.5 991.3 990.7 996.5 1004.6 1006.6 1010.7 990.7 DAY 18 29 25 21 6 12 12 12 3 2 22 16 MEAN QNH PRESSURE IN HPA 1023.8 1016.0 1012.8 1010.4 1008.3 1000.6 997.6 997.5 1004.3 1013.2 1016.7 1020.0 1010.1 MAX. QNH PRESSURE IN HPA 1029.6 1021.0 1019.2 1019.1 1012.8 1006.1 1006.3 1000.4 1012.5 1018.5 1022.5 1025.7 1029.6 DAY 21 16 14 24 17 1 13 14 29 29 29 3 MIN. QNH PRESSURE IN HPA 1010.3 1009.1 1008.2 1003.3 1003.9 996.9 993.7 993.1 998.9 1007.0 1009.0 1013.1 993.1 DAY 18 29 25 21 6 12 12 12 3 2 22 16 MEAN QFF PRESSURE IN HPA 1024.2 1016.3 1013.0 1010.6 1008.5 1000.7 997.7 997.6 1004.4 1013.4 1017.0 1020.3 1010.3 MAX. QFF PRESSURE IN HPA 1030.1 1021.3 1019.4 1019.3 1012.9 1006.2 1006.4 1000.5 1012.7 1018.8 1022.9 1026.1 1030.1 DAY 21 16 14 24 17 1 13 14 29 29 29 3 MIN. QFF PRESSURE IN HPA 1010.6 1009.4 1008.4 1003.5 1004.1 997.0 993.8 993.2 999.0 1007.2 1009.2 1013.4 993.2 DAY 18 29 25 21 6 12 12 12 3 2 22 16 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.0 15.1 20.5 23.8 34.2 38.1 39.3 39.5 35.3 28.9 21.5 14.5 26.9 MINIMUN AIR TEMPERATURE (C) 6.9 7.6 11.8 13.9 21.7 24.6 26.4 27.6 22.8 20.1 13.6 5.7 16.9 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 21 30 31 31 24 17 2 0 156 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 3 3 TEMPERATURE RECORDS LOWEST(C) 1.0 4.0 4.0 7.0 14.0 21.0 24.0 25.0 17.0 14.0 6.0 -1.0 -1.0 DAY 11 3 14 5 4 20 14 5 22 26 23 21 MAXIMUM AIR TEMPERATURE (C) 16.0 20.6 26.1 29.1 40.5 44.5 45.9 46.2 42.3 34.4 26.8 20.8 32.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 4 13 31 29 31 31 30 25 6 0 200 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 20.0 25.0 31.0 37.0 47.0 47.0 50.0 49.0 46.0 40.0 33.0 26.0 50.0 DAY 25 27 10 28 21 15 16 22 6 1 4 1 DIF. BETWEEN (MAX.-MIN.) (C) 9.1 13.0 14.3 15.2 18.8 19.9 19.5 18.6 19.5 14.3 13.2 15.1 15.9 MEAN DAILY TEMP. (MDT) (C) 11.5 14.1 18.9 21.5 31.1 34.6 36.1 36.9 32.5 27.3 20.2 13.3 24.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 8.0 56.5 313.5 393.5 469.5 492.5 346.5 199.0 33.5 0.0 2312.5 HEATING DEG. DAYS(BASE 18 0C) 202.5 109.5 21.5 13.5 0.0 0.0 0.0 0.0 0.0 0.0 15.5 147.0 509.5 DEWPOINT (MEAN C) 6.7 6.1 6.4 4.5 3.8 4.5 10.3 15.0 10.1 14.6 8.8 4.4 7.9 MIXING RATIO (G/KG) 6.29 6.06 6.34 5.61 5.36 5.63 8.15 12.37 8.35 10.82 7.69 5.36 7.33 VAPOUR PRESSURE (HPA) 10.14 9.78 10.20 9.01 8.57 8.96 12.86 19.38 13.26 17.26 12.37 8.68 11.71 SATURATION DEF. (HPA) 4.30 8.07 15.01 22.48 49.01 61.01 61.87 56.02 47.51 24.87 14.58 8.89 31.14 RELATIVE HUMIDITY (MEAN %) 72 59 44 34 18 16 21 31 26 47 50 55 39 RELATIVE HUMIDITY (MAX. %) 87 79 66 64 38 34 41 67 53 73 77 79 63 RELATIVE HUMIDITY (MIN. %) 58 43 30 20 10 8 12 16 13 32 32 36 26 RELATIVE HUMIDITY (MEAN% 03UTC) 86 78 65 61 38 34 41 67 53 71 76 78 62 RELATIVE HUMIDITY (MEAN% 09UTC) 66 50 34 23 11 9 14 20 15 36 35 43 30 RELATIVE HUMIDITY (MEAN% 15UTC) 69 52 36 29 14 11 14 19 19 44 47 56 34 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 75.0 12.0 30.0 13.0 0.0 0.0 0.0 0.0 0.0 13.0 4.0 4.0 151.0 DAYS WITH PRECIPITATION >=10 3 1 2 0 0 0 0 0 0 1 0 0 7 DAYS WITH PRECIPITATION >= 5 4 1 2 1 0 0 0 0 0 1 0 0 9 DAYS WITH PRECIPITATION >= 1 6 2 2 3 0 0 0 0 0 2 1 3 19 DAYS WITH PRECIPITATION 6 2 2 3 0 0 0 0 0 2 1 3 19 GREATEST DAILY PRECIPITATION 25.0 11.0 15.0 8.0 0.0 0.0 0.0 0.0 0.0 10.0 4.0 2.0 25.0 DAY 13 6 24 19 ** ** ** ** ** 30 9 28 DAY WITH THUNDER STORM 1 0 0 0 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 4 5 6 7 11 10 5 8 6 2 2 1 67 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 180 270 360 270 270 270 PREVAILING WIND SPEED(KNOTS) 8.1 6.9 9.8 8.2 11.3 13.8 9.1 10.1 9.6 8.7 6.6 5.6 9.3 PREVAILING WIND PERCENT 25.2 37.9 28.4 34.7 51.6 68.7 41.9 21.9 36.0 23.2 48.0 51.0 38.2 CALMS PERCENT OF WIND 31.6 16.4 25.2 10.7 4.5 2.0 11.0 21.9 24.0 12.9 18.0 11.0 15.8 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 174 226 230 185 266 272 249 199 257 223 265 257 244 VECTOR WIND MAGNITUDE(KNOTS) 3.4 1.6 1.8 2.0 4.0 9.8 5.1 3.3 2.9 0.3 1.8 1.7 2.6 WIND STEADINESES (MEAN %) 41.0 20.0 25.4 23.5 37.7 79.0 71.8 42.9 43.3 3.9 29.5 30.9 32.5 WIND SPEED (MEAN KNOTS) 8.3 8.0 7.1 8.5 10.6 12.4 7.1 7.7 6.7 7.6 6.1 5.5 8.0 FASTEST WIND DIRECTION 150 150 150 150 360 270 270 270 270 180 90 180 180 FASTEST WIND SPEED (KNOTS) 40 35 30 35 25 30 32 30 30 45 25 20 45 DAY 8 13 11 19 10 23 10 3 1 29 17 8 DAYS WITH SKY CLEAR (0-2)/8 15 21 20 18 26 30 31 31 26 13 15 24 270 DAYS WITH P.CLOUDY (3-6)/8 12 3 6 10 2 0 0 0 3 14 12 5 67 DAYS WITH CLOUDY (7-8)/8 4 3 3 2 3 0 0 0 1 4 3 2 25 DAYS WITH VISIBILITY =< 2 KM 5 4 3 3 0 0 2 0 1 3 1 0 22 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1014.4 1014.6 1013.1 1009.9 1004.7 999.4 995.0 998.4 1004.0 1010.6 1016.0 1017.7 1008.1 MAX. QFE PRESSURE IN HPA 1024.8 1022.6 1020.0 1019.7 1015.6 1004.3 1000.5 1004.8 1011.0 1017.4 1022.7 1023.3 1024.8 DAY-HOUR 16- 6 26- 9 16- 6 6- 6 4- 6 1- 9 5- 6 14- 6 30- 6 29- 6 28- 6 30- 6 MIN. QFE PRESSURE IN HPA 1000.9 1005.1 1006.1 1001.4 997.6 993.5 989.6 992.0 998.4 1003.3 1009.5 1011.3 989.6 DAY-HOUR 9- 3 9- 3 24-15 19- 6 30-12 22-12 27-12 1-12 2-12 9-12 6-12 14-12 MEAN QNH PRESSURE IN HPA 1016.8 1017.0 1015.5 1012.3 1007.1 1001.7 997.3 1000.8 1006.3 1013.0 1018.4 1020.1 1010.5 MAX. QNH PRESSURE IN HPA 1027.2 1025.0 1022.4 1022.1 1018.0 1006.7 1002.9 1007.2 1013.4 1019.8 1025.1 1025.7 1027.2 DAY-HOUR 16- 6 26- 9 16- 6 6- 6 4- 6 1- 9 5- 6 14- 6 30- 6 29- 6 28- 6 30- 6 MIN. QNH PRESSURE IN HPA 1003.3 1007.5 1008.5 1003.8 1000.0 995.9 991.9 994.4 1000.8 1005.7 1011.9 1013.7 991.9 DAY-HOUR 9- 3 9- 3 24-15 19- 6 30-12 22-12 27-12 1-12 2-12 9-12 6-12 14-12 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 1014.4 1014.5 1013.3 1010.1 1005.0 999.9 995.5 998.9 1004.4 1010.7 1016.2 1017.9 1008.4 MAX. QFE PRESSURE IN HPA 1022.4 1022.0 1019.4 1019.0 1014.8 1003.2 1000.2 1003.8 1010.4 1016.1 1021.8 1022.6 1022.6 DAY 17 26 16 6 4 1 5 14 30 29 28 30 MIN. QFE PRESSURE IN HPA 1000.9 1005.1 1006.7 1002.2 998.8 995.2 990.9 993.9 1000.2 1004.0 1011.8 1013.7 990.9 DAY 9 9 24 19 30 23 27 1 2 9 6 28 MEAN QNH PRESSURE IN HPA 1016.8 1016.9 1015.7 1012.5 1007.4 1002.3 997.9 1001.3 1006.8 1013.1 1018.6 1020.3 1010.8 MAX. QNH PRESSURE IN HPA 1024.8 1024.4 1021.8 1021.4 1017.2 1005.6 1002.6 1006.2 1012.8 1018.5 1024.2 1025.0 1025.0 DAY 17 26 16 6 4 1 5 14 30 29 28 30 MIN. QNH PRESSURE IN HPA 1003.3 1007.5 1009.1 1004.6 1001.2 997.6 993.3 996.3 1002.6 1006.4 1014.2 1016.1 993.3 DAY 9 9 24 19 30 23 27 1 2 9 6 28 MEAN QFF PRESSURE IN HPA 1017.1 1017.2 1016.0 1012.7 1007.5 1002.4 997.9 1001.4 1006.9 1013.3 1018.9 1020.6 1011.0 MAX. QFF PRESSURE IN HPA 1025.2 1024.8 1022.1 1021.7 1017.4 1005.7 1002.7 1006.3 1012.9 1018.7 1024.5 1025.4 1025.4 DAY 17 26 16 6 4 1 5 14 30 29 28 30 MIN. QFF PRESSURE IN HPA 1003.5 1007.8 1009.3 1004.8 1001.3 997.7 993.4 996.4 1002.7 1006.6 1014.4 1016.4 993.4 DAY 9 9 24 19 30 29 27 2 9 9 6 28 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1015.5 1015.5 1014.0 1011.0 1005.6 1000.4 996.0 999.4 1005.1 1011.7 1017.0 1018.6 1009.1 MAX. QFE PRESSURE IN HPA 1024.8 1022.4 1020.0 1019.7 1015.6 1003.9 1000.5 1004.8 1011.0 1017.4 1022.7 1023.3 1024.8 DAY 16 26 16 6 4 1 5 14 30 29 28 30 MIN. QFE PRESSURE IN HPA 1003.5 1006.9 1007.1 1001.4 999.7 995.7 991.5 993.7 1000.4 1005.0 1011.8 1014.2 991.5 DAY 9 9 24 19 30 23 27 1 2 9 6 14 MEAN QNH PRESSURE IN HPA 1017.9 1017.9 1016.4 1013.4 1008.0 1002.8 998.3 1001.8 1007.5 1014.1 1019.4 1021.0 1011.5 MAX. QNH PRESSURE IN HPA 1027.2 1024.8 1022.4 1022.1 1018.0 1006.3 1002.9 1007.2 1013.4 1019.8 1025.1 1025.7 1027.2 DAY 16 26 16 6 4 1 5 14 30 29 28 30 MIN. QNH PRESSURE IN HPA 1005.9 1009.3 1009.5 1003.8 1002.1 998.1 993.9 996.1 1002.8 1007.4 1014.2 1016.6 993.9 DAY 9 9 24 19 30 23 27 1 2 9 6 14 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 1014.5 1015.0 1013.5 1010.3 1005.1 999.8 995.3 998.8 1004.4 1010.9 1016.4 1017.9 1008.5 MAX. QFE PRESSURE IN HPA 1023.9 1022.6 1018.1 1019.5 1015.1 1004.3 999.7 1004.4 1010.3 1016.8 1022.1 1022.6 1023.9 DAY 16 26 16 6 4 1 5 14 30 29 28 30 MIN. QFE PRESSURE IN HPA 1002.1 1008.5 1007.5 1001.9 999.0 994.8 991.2 993.4 999.9 1004.0 1011.0 1013.1 991.2 DAY 9 9 24 19 30 23 27 1 2 9 6 14 MEAN QNH PRESSURE IN HPA 1016.9 1017.4 1015.9 1012.7 1007.5 1002.1 997.7 1001.2 1006.8 1013.3 1018.8 1020.3 1010.9 MAX. QNH PRESSURE IN HPA 1026.3 1025.0 1020.5 1021.9 1017.5 1006.7 1002.1 1006.8 1012.7 1019.2 1024.5 1025.0 1026.3 DAY 16 26 16 6 4 1 5 14 30 29 28 30 MIN. QNH PRESSURE IN HPA 1004.5 1010.9 1009.9 1004.3 1001.4 997.2 993.6 995.8 1002.3 1006.4 1013.4 1015.5 993.6 DAY 9 9 24 19 30 23 27 1 2 9 6 14 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 1013.6 1013.8 1012.3 1008.9 1003.6 998.2 993.8 997.2 1002.7 1009.5 1015.0 1016.6 1007.1 MAX. QFE PRESSURE IN HPA 1023.1 1021.6 1017.0 1017.1 1013.3 1002.7 999.6 1001.6 1008.9 1014.6 1020.6 1021.6 1023.1 DAY 16 26 16 5 4 1 13 13 30 29 28 29 MIN. QFE PRESSURE IN HPA 1001.9 1007.7 1006.2 1001.6 997.6 993.5 989.6 992.0 998.4 1003.3 1009.5 1011.3 989.6 DAY 9 8 24 3 30 22 27 1 2 9 6 14 MEAN QNH PRESSURE IN HPA 1016.0 1016.2 1014.7 1011.3 1006.0 1000.6 996.2 999.6 1005.1 1011.9 1017.4 1019.1 1009.5 MAX. QNH PRESSURE IN HPA 1025.5 1024.0 1019.4 1019.5 1015.7 1005.1 1002.0 1004.0 1011.3 1017.0 1023.0 1024.0 1025.5 DAY 16 26 16 5 4 1 13 13 30 29 28 29 MIN. QNH PRESSURE IN HPA 1004.3 1010.1 1008.6 1004.0 1000.0 995.9 991.9 994.4 1000.8 1005.7 1011.9 1013.7 991.9 DAY 9 8 24 3 30 22 27 1 2 9 6 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1014.1 1014.4 1012.6 1009.4 1004.1 998.7 994.3 997.7 1003.2 1010.1 1015.5 1017.3 1007.6 MAX. QFE PRESSURE IN HPA 1023.3 1022.3 1016.8 1017.7 1013.7 1003.3 1000.4 1002.2 1008.7 1015.2 1021.1 1022.1 1023.3 DAY 16 26 16 5 4 1 13 13 30 29 28 29 MIN. QFE PRESSURE IN HPA 1001.3 1008.3 1006.1 1002.4 998.1 993.9 990.6 992.4 998.6 1004.7 1009.9 1012.3 990.6 DAY 10 8 24 3 30 22 27 1 2 9 6 14 MEAN QNH PRESSURE IN HPA 1016.5 1016.8 1015.0 1011.8 1006.5 1001.0 996.6 1000.1 1005.6 1012.5 1017.9 1019.7 1010.0 MAX. QNH PRESSURE IN HPA 1025.7 1024.7 1019.2 1020.1 1016.1 1005.7 1002.8 1004.6 1011.1 1017.6 1023.5 1024.5 1025.7 DAY 16 26 16 5 4 1 13 13 30 29 28 29 MIN. QNH PRESSURE IN HPA 1003.7 1010.7 1008.5 1004.8 1000.5 996.3 993.0 994.8 1001.0 1007.1 1012.3 1014.7 993.0 DAY 10 8 24 3 30 22 27 1 2 9 6 14 MEAN QFF PRESSURE IN HPA 1016.8 1017.1 1015.3 1012.0 1006.7 1001.1 996.7 1000.1 1005.8 1012.6 1018.1 1020.0 1010.2 MAX. QFF PRESSURE IN HPA 1026.1 1025.1 1019.5 1020.4 1016.3 1005.8 1002.9 1004.7 1011.2 1017.8 1023.8 1024.9 1026.1 DAY 16 26 16 5 4 1 13 13 30 29 28 29 MIN. QFF PRESSURE IN HPA 1004.0 1011.0 1008.7 1005.0 1000.6 996.4 993.1 994.9 1001.1 1007.2 1012.5 1015.0 993.1 DAY 10 8 24 3 30 22 27 1 2 9 6 14 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 16.3 15.7 19.7 26.1 33.9 38.5 38.2 38.0 35.4 27.8 22.2 15.8 27.3 MINIMUN AIR TEMPERATURE (C) 8.1 9.3 11.2 16.2 22.5 24.9 25.9 26.1 23.6 18.4 11.4 6.9 17.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 24 30 31 31 29 5 0 0 152 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 6.0 7.0 10.0 15.0 21.0 23.0 23.0 20.0 13.0 3.0 3.0 1.0 DAY 16 4 30 1 8 17 6 31 14 31 29 24 MAXIMUM AIR TEMPERATURE (C) 22.2 20.1 25.1 31.3 39.3 45.0 44.6 44.9 42.0 33.4 29.3 21.8 33.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 22 31 30 31 31 30 26 17 0 220 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 26.0 30.0 37.0 46.0 48.0 50.0 48.0 46.0 38.0 33.0 26.0 50.0 DAY 29 26 10 28 24 7 13 1 3 2 2 17 DIF. BETWEEN (MAX.-MIN.) (C) 14.1 10.8 13.9 15.1 16.8 20.1 18.7 18.8 18.4 15.0 17.9 14.9 16.2 MEAN DAILY TEMP. (MDT) (C) 15.1 14.7 18.1 23.7 30.9 35.0 35.3 35.5 32.8 25.9 20.3 14.4 25.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 3.5 93.0 308.0 419.0 442.5 448.5 355.0 151.5 28.0 0.0 2249.0 HEATING DEG. DAYS(BASE 18 0C) 93.5 94.0 25.5 1.0 0.0 0.0 0.0 0.0 0.0 0.0 22.0 115.5 351.5 DEWPOINT (MEAN C) 7.1 10.0 7.8 9.6 7.8 7.3 12.2 17.5 15.1 12.4 7.8 6.4 10.1 MIXING RATIO (G/KG) 6.59 7.70 6.74 7.61 7.16 6.95 9.54 13.47 11.33 9.42 6.86 6.13 8.29 VAPOUR PRESSURE (HPA) 10.64 12.41 10.85 12.19 11.42 11.01 14.99 21.06 17.90 15.06 11.06 9.91 13.21 SATURATION DEF. (HPA) 8.86 5.99 13.14 23.51 44.37 61.23 55.42 48.80 42.72 24.23 17.66 8.97 29.57 RELATIVE HUMIDITY (MEAN %) 60 71 51 39 24 19 26 36 34 44 44 57 42 RELATIVE HUMIDITY (MAX. %) 86 90 82 70 51 46 58 70 60 68 70 79 69 RELATIVE HUMIDITY (MIN. %) 38 56 33 25 14 9 13 20 21 31 27 41 27 RELATIVE HUMIDITY (MEAN% 03UTC) 86 89 80 69 51 46 58 70 60 68 69 76 69 RELATIVE HUMIDITY (MEAN% 09UTC) 43 60 38 27 15 11 17 24 25 34 29 44 31 RELATIVE HUMIDITY (MEAN% 15UTC) 61 72 47 32 19 13 16 24 26 40 46 58 38 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 16.0 49.0 12.6 19.0 0.0 0.0 0.0 0.0 0.0 28.0 0.0 6.0 130.6 DAYS WITH PRECIPITATION >=10 0 2 0 1 0 0 0 0 0 1 0 0 4 DAYS WITH PRECIPITATION >= 5 3 2 1 1 0 0 0 0 0 3 0 0 10 DAYS WITH PRECIPITATION >= 1 3 5 4 4 0 0 0 0 0 3 0 2 21 DAYS WITH PRECIPITATION 3 5 4 4 0 0 0 0 0 3 0 2 21 GREATEST DAILY PRECIPITATION 6.0 26.0 5.0 12.0 0.0 0.0 0.0 0.0 0.0 17.0 0.0 3.0 26.0 DAY 30 2 1 3 ** ** ** ** ** 14 ** 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 0 0 1 1 6 10 7 5 2 0 2 2 36 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 4.8 4.6 5.8 7.3 10.5 8.2 8.8 11.9 6.2 6.3 5.1 5.0 7.1 PREVAILING WIND PERCENT 38.7 34.3 35.5 36.0 47.1 45.3 45.8 33.5 40.7 65.8 30.7 42.6 41.4 CALMS PERCENT OF WIND 40.0 44.3 20.6 20.7 3.9 12.7 15.5 24.5 26.0 4.5 50.7 23.2 23.7 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 281 229 125 285 258 302 269 241 231 291 269 255 268 VECTOR WIND MAGNITUDE(KNOTS) 0.9 1.3 0.5 0.3 3.5 5.3 3.3 3.3 2.1 3.6 1.2 0.7 1.9 WIND STEADINESES (MEAN %) 29.0 39.4 8.3 4.8 31.8 57.0 45.8 46.5 43.7 52.2 46.2 15.2 31.7 WIND SPEED (MEAN KNOTS) 3.1 3.3 6.0 6.2 11.0 9.3 7.2 7.1 4.8 6.9 2.6 4.6 6.0 FASTEST WIND DIRECTION 90 180 90 270 150 330 330 270 270 360 360 90 90 FASTEST WIND SPEED (KNOTS) 18 18 40 18 35 30 25 30 20 25 10 25 40 DAY 26 28 19 22 16 20 6 4 24 13 12 17 DAYS WITH SKY CLEAR (0-2)/8 20 14 23 19 22 29 31 31 28 22 27 18 284 DAYS WITH P.CLOUDY (3-6)/8 7 10 5 7 6 0 0 0 2 6 3 11 57 DAYS WITH CLOUDY (7-8)/8 4 4 3 4 3 0 0 0 0 3 0 2 23 DAYS WITH VISIBILITY =< 2 KM 2 1 1 0 2 1 1 0 1 1 0 0 10 DURATION OF SUNSHINE HOURS ****** ****** 239.1 220.0 274.4 335.1 334.1 307.1 283.5 249.5 254.7 226.2 ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1017.1 1014.9 1012.6 1008.9 1005.5 998.1 994.9 995.8 1002.9 1010.5 1015.4 1015.7 1007.7 MAX. QFE PRESSURE IN HPA 1023.6 1021.5 1019.9 1016.0 1011.0 1004.2 1000.9 1000.7 1010.0 1016.2 1022.2 1022.8 1023.6 DAY-HOUR 16- 6 12- 6 3- 6 5- 9 3- 6 3- 6 10- 6 17- 6 26- 6 31- 6 27- 3 7- 6 MIN. QFE PRESSURE IN HPA 1008.9 1009.0 996.8 1003.8 998.9 991.6 989.6 990.1 994.8 1004.1 1008.3 1007.5 989.6 DAY-HOUR 30- 3 21-12 19-12 20-12 31-12 20-12 27-12 1-12 1-12 2-12 12-12 18- 3 MEAN QNH PRESSURE IN HPA 1019.5 1017.3 1015.0 1011.3 1007.9 1000.5 997.3 998.2 1005.3 1012.9 1017.8 1018.1 1010.1 MAX. QNH PRESSURE IN HPA 1026.0 1023.9 1022.3 1018.4 1013.4 1006.6 1003.3 1003.1 1012.4 1018.6 1024.6 1025.2 1026.0 DAY-HOUR 16- 6 12- 6 3- 6 5- 9 3- 6 3- 6 10- 6 17- 6 26- 6 31- 6 27- 3 7- 6 MIN. QNH PRESSURE IN HPA 1011.3 1011.4 999.2 1006.2 1001.3 994.0 991.9 992.5 997.2 1006.5 1010.7 1009.9 991.9 DAY-HOUR 30- 3 21-12 19-12 20-12 31-12 20-12 27-12 1-12 1-12 2-12 12-12 18- 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 1017.2 1014.7 1012.6 1008.9 1005.6 998.4 995.1 996.2 1003.1 1010.5 1016.0 1015.6 1007.8 MAX. QFE PRESSURE IN HPA 1023.0 1020.2 1018.7 1014.4 1009.4 1003.7 1000.4 1000.5 1008.0 1015.4 1022.2 1020.9 1023.0 DAY 16 12 3 5 3 2 10 18 25 23 27 8 MIN. QFE PRESSURE IN HPA 1008.9 1009.1 998.1 1004.8 999.0 994.2 991.0 991.9 996.0 1005.4 1010.3 1007.5 991.0 DAY 30 2 20 16 31 20 27 1 1 2 12 18 MEAN QNH PRESSURE IN HPA 1019.7 1017.1 1015.0 1011.3 1008.0 1000.8 997.4 998.5 1005.4 1012.9 1018.4 1018.1 1010.2 MAX. QNH PRESSURE IN HPA 1025.4 1022.6 1021.1 1016.8 1011.8 1006.1 1002.8 1002.9 1010.4 1017.8 1024.6 1023.3 1025.4 DAY 16 12 3 5 3 2 10 18 25 23 27 8 MIN. QNH PRESSURE IN HPA 1011.3 1011.5 1000.5 1007.2 1001.4 996.6 993.4 994.3 998.4 1007.8 1012.7 1009.9 993.4 DAY 30 2 20 16 31 20 27 1 1 2 12 18 MEAN QFF PRESSURE IN HPA 1020.0 1017.4 1015.3 1011.5 1008.1 1000.9 997.5 998.6 1005.6 1013.1 1018.7 1018.4 1010.4 MAX. QFF PRESSURE IN HPA 1025.8 1023.0 1021.4 1017.1 1012.0 1006.2 1002.9 1003.0 1010.5 1018.0 1025.0 1023.6 1025.8 DAY 16 12 3 5 7 2 10 18 25 23 27 8 MIN. QFF PRESSURE IN HPA 1011.5 1011.7 1000.7 1007.4 1001.5 996.7 993.5 994.3 998.5 1007.9 1012.9 1010.1 993.5 DAY 30 2 20 16 31 20 27 1 1 2 12 18 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1018.1 1015.6 1013.4 1009.9 1006.4 999.0 995.6 996.9 1004.3 1011.7 1017.0 1017.1 1008.7 MAX. QFE PRESSURE IN HPA 1023.6 1021.5 1019.9 1015.5 1011.0 1004.2 1000.9 1000.7 1010.0 1016.2 1022.2 1022.8 1023.6 DAY 16 12 3 1 3 3 10 17 26 31 27 7 MIN. QFE PRESSURE IN HPA 1009.8 1009.5 999.4 1005.2 1000.2 994.5 991.5 992.3 997.4 1006.2 1011.8 1008.9 991.5 DAY 30 2 20 24 31 20 27 1 1 2 12 20 MEAN QNH PRESSURE IN HPA 1020.5 1018.0 1015.8 1012.3 1008.8 1001.3 998.0 999.3 1006.7 1014.1 1019.4 1019.5 1011.1 MAX. QNH PRESSURE IN HPA 1026.0 1023.9 1022.3 1017.9 1013.4 1006.6 1003.3 1003.1 1012.4 1018.6 1024.6 1025.2 1026.0 DAY 16 12 3 1 3 3 10 17 26 31 27 7 MIN. QNH PRESSURE IN HPA 1012.2 1011.9 1001.8 1007.6 1002.6 996.9 993.9 994.7 999.8 1008.6 1014.2 1011.3 993.9 DAY 30 2 20 24 31 20 27 1 1 2 12 20 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 1017.5 1015.1 1012.9 1009.2 1005.8 998.4 995.1 996.3 1003.7 1010.8 1015.9 1016.0 1008.1 MAX. QFE PRESSURE IN HPA 1022.9 1020.7 1019.1 1016.0 1010.4 1003.6 1000.5 1000.6 1009.5 1015.5 1021.7 1021.5 1022.9 DAY 16 12 3 5 3 2 10 18 26 31 26 22 MIN. QFE PRESSURE IN HPA 1009.4 1009.1 998.9 1004.7 999.9 993.8 991.4 991.1 997.4 1005.9 1010.5 1008.0 991.1 DAY 30 2 20 24 31 20 27 1 1 2 12 18 MEAN QNH PRESSURE IN HPA 1019.9 1017.5 1015.3 1011.6 1008.2 1000.7 997.5 998.7 1006.1 1013.2 1018.3 1018.4 1010.4 MAX. QNH PRESSURE IN HPA 1025.3 1023.1 1021.5 1018.4 1012.8 1006.0 1002.9 1003.0 1011.9 1017.9 1024.1 1023.9 1025.3 DAY 16 12 3 5 3 2 10 18 26 31 26 22 MIN. QNH PRESSURE IN HPA 1011.8 1011.5 1001.3 1007.1 1002.3 996.2 993.8 993.5 999.8 1008.3 1012.9 1010.4 993.5 DAY 30 2 20 24 31 20 27 1 1 2 12 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 1016.0 1014.1 1011.8 1008.0 1004.5 997.3 994.1 994.7 1001.5 1009.5 1013.7 1014.6 1006.6 MAX. QFE PRESSURE IN HPA 1020.1 1018.7 1018.7 1014.4 1009.4 1002.7 999.8 998.6 1007.5 1014.0 1018.4 1019.8 1020.1 DAY 16 12 3 5 3 2 10 17 26 23 26 8 MIN. QFE PRESSURE IN HPA 1009.5 1009.0 996.8 1003.8 998.9 991.6 989.6 990.1 994.8 1004.1 1008.3 1008.2 989.6 DAY 30 21 19 20 31 20 27 1 1 2 12 11 MEAN QNH PRESSURE IN HPA 1018.4 1016.5 1014.2 1010.4 1006.9 999.6 996.5 997.1 1003.8 1011.9 1016.1 1017.0 1009.0 MAX. QNH PRESSURE IN HPA 1022.5 1021.1 1021.1 1016.8 1011.8 1005.1 1002.2 1001.0 1009.9 1016.4 1020.8 1022.2 1022.5 DAY 16 12 3 5 3 2 10 17 26 23 26 8 MIN. QNH PRESSURE IN HPA 1011.9 1011.4 999.2 1006.2 1001.3 994.0 991.9 992.5 997.2 1006.5 1010.7 1010.6 991.9 DAY 30 21 19 20 31 20 27 1 1 2 12 11 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1016.6 1014.8 1012.3 1008.6 1005.3 997.8 994.7 995.1 1002.1 1010.1 1014.3 1015.2 1007.2 MAX. QFE PRESSURE IN HPA 1021.0 1019.7 1019.3 1015.0 1010.0 1003.1 1000.3 999.0 1007.7 1014.7 1019.3 1020.5 1021.0 DAY 16 12 3 5 3 2 10 17 26 23 26 23 MIN. QFE PRESSURE IN HPA 1010.1 1009.5 997.2 1004.1 999.7 992.0 990.3 990.7 995.2 1004.9 1009.1 1008.7 990.3 DAY 30 21 19 24 30 20 27 1 1 2 12 19 MEAN QNH PRESSURE IN HPA 1019.0 1017.2 1014.7 1011.0 1007.7 1000.1 997.0 997.5 1004.4 1012.5 1016.7 1017.6 1009.6 MAX. QNH PRESSURE IN HPA 1023.4 1022.1 1021.7 1017.4 1012.4 1005.5 1002.7 1001.4 1010.1 1017.1 1021.7 1022.9 1023.4 DAY 16 12 3 5 3 2 10 17 26 23 26 23 MIN. QNH PRESSURE IN HPA 1012.5 1011.9 999.6 1006.5 1002.1 994.4 992.7 993.1 997.6 1007.3 1011.5 1011.1 992.7 DAY 30 21 19 24 30 20 27 1 1 2 12 19 MEAN QFF PRESSURE IN HPA 1019.3 1017.5 1014.9 1011.2 1007.9 1000.3 997.1 997.6 1004.6 1012.7 1017.0 1017.9 1009.8 MAX. QFF PRESSURE IN HPA 1023.8 1022.4 1022.0 1017.7 1012.5 1005.6 1002.8 1001.5 1010.2 1017.3 1022.0 1023.3 1023.8 DAY 16 12 3 5 3 2 10 17 26 23 26 23 MIN. QFF PRESSURE IN HPA 1012.7 1012.2 999.8 1006.7 1002.2 994.5 992.8 993.1 997.7 1007.4 1011.7 1011.4 992.8 DAY 30 21 19 24 30 20 27 1 1 2 12 19 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.2 11.6 18.5 24.1 32.2 35.3 38.8 38.2 34.2 28.7 18.4 12.4 25.4 MINIMUN AIR TEMPERATURE (C) 5.4 5.8 8.9 13.8 22.0 21.7 27.2 26.2 21.1 17.4 12.7 5.7 15.7 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 23 20 31 31 20 2 0 0 129 DAYS WITH MINIMUM TEMP. <=-4 0 1 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH FREEZING MIN.<= 0 4 3 0 0 0 0 0 0 0 0 0 3 10 TEMPERATURE RECORDS LOWEST(C) -1.0 -5.0 4.0 7.0 14.0 15.0 22.0 22.0 18.0 14.0 5.0 0.0 -5.0 DAY 24 3 2 1 1 7 1 30 22 17 29 26 MAXIMUM AIR TEMPERATURE (C) 17.5 15.7 23.9 29.3 37.5 41.9 45.7 44.8 41.5 35.7 22.6 17.5 31.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 17 29 30 31 31 30 31 8 0 207 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 22.0 29.0 35.0 44.0 45.0 54.0 47.0 46.0 39.0 33.0 21.0 54.0 DAY 16 10 17 19 24 14 15 16 4 1 2 4 DIF. BETWEEN (MAX.-MIN.) (C) 12.1 9.9 15.0 15.5 15.5 20.2 18.5 18.6 20.4 18.3 9.9 11.8 15.4 MEAN DAILY TEMP. (MDT) (C) 11.5 10.7 16.4 21.5 29.7 31.8 36.5 35.5 31.3 26.5 17.6 11.6 23.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 47.0 270.0 325.0 479.0 449.5 309.5 172.0 21.0 0.0 2073.0 HEATING DEG. DAYS(BASE 18 0C) 202.0 203.5 60.5 10.5 0.0 0.0 0.0 0.0 0.0 0.0 62.5 198.5 737.5 DEWPOINT (MEAN C) 4.8 5.3 3.3 5.7 11.1 8.5 12.9 14.5 12.5 10.3 12.2 7.0 9.0 MIXING RATIO (G/KG) 5.54 5.89 5.00 6.04 8.70 7.29 9.83 10.65 9.58 8.08 9.07 6.45 7.68 VAPOUR PRESSURE (HPA) 8.98 9.52 8.06 9.70 13.85 11.58 15.47 16.77 15.16 12.96 14.58 10.42 12.25 SATURATION DEF. (HPA) 6.01 4.75 14.44 22.06 36.87 49.49 57.52 53.42 42.24 28.91 8.14 4.71 27.38 RELATIVE HUMIDITY (MEAN %) 64 70 41 36 33 23 24 27 31 36 72 72 44 RELATIVE HUMIDITY (MAX. %) 84 88 71 71 58 49 43 48 60 64 89 89 68 RELATIVE HUMIDITY (MIN. %) 46 53 26 20 21 13 15 18 18 22 58 54 30 RELATIVE HUMIDITY (MEAN% 03UTC) 82 85 71 71 58 49 43 48 60 64 88 89 67 RELATIVE HUMIDITY (MEAN% 09UTC) 52 62 30 24 24 15 19 21 22 26 63 64 35 RELATIVE HUMIDITY (MEAN% 15UTC) 65 67 32 28 28 16 18 20 21 30 69 71 39 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 18.0 64.0 3.0 11.0 18.0 0.0 0.0 0.0 0.0 3.0 136.0 10.0 263.0 DAYS WITH PRECIPITATION >=10 1 3 0 1 1 0 0 0 0 0 3 1 10 DAYS WITH PRECIPITATION >= 5 1 4 0 1 1 0 0 0 0 0 8 1 16 DAYS WITH PRECIPITATION >= 1 2 6 1 2 2 0 0 0 0 1 8 1 23 DAYS WITH PRECIPITATION 2 6 1 2 2 0 0 0 0 1 8 1 23 GREATEST DAILY PRECIPITATION 17.0 27.0 3.0 10.0 14.0 0.0 0.0 0.0 0.0 3.0 52.0 10.0 52.0 DAY 3 5 5 15 7 ** ** ** ** 7 24 6 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 3 1 6 7 4 13 2 6 1 2 1 1 47 WIND DIRECTION (PREVAILING) 270 270 270 90 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 5.5 7.8 6.7 12.0 6.8 11.1 5.9 7.1 5.2 6.4 6.0 5.0 6.8 PREVAILING WIND PERCENT 58.1 60.0 45.2 34.7 56.1 78.7 61.9 87.1 72.0 66.5 42.0 56.1 59.3 CALMS PERCENT OF WIND 12.3 5.7 5.8 4.0 11.6 3.3 1.9 0.0 4.7 7.7 10.0 18.1 7.1 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 298 257 313 134 264 268 253 272 261 279 304 268 265 VECTOR WIND MAGNITUDE(KNOTS) 1.6 3.5 1.2 3.4 2.3 8.7 3.5 6.2 2.7 3.4 0.5 2.0 2.7 WIND STEADINESES (MEAN %) 27.1 50.7 17.4 40.0 34.3 90.6 56.5 88.6 51.9 58.6 8.8 46.5 41.5 WIND SPEED (MEAN KNOTS) 5.9 6.9 6.9 8.5 6.7 9.6 6.2 7.0 5.2 5.8 5.7 4.3 6.5 FASTEST WIND DIRECTION 90 270 90 90 270 270 270 270 150 270 330 360 90 FASTEST WIND SPEED (KNOTS) 35 18 20 35 30 30 18 20 15 30 15 12 35 DAY 18 12 17 6 5 22 27 4 27 6 9 6 DAYS WITH SKY CLEAR (0-2)/8 21 14 26 22 23 29 24 31 30 19 14 22 275 DAYS WITH P.CLOUDY (3-6)/8 5 7 3 5 2 1 0 0 0 8 6 6 43 DAYS WITH CLOUDY (7-8)/8 4 7 2 3 6 0 0 0 0 4 10 3 39 DAYS WITH VISIBILITY =< 2 KM 5 2 0 2 0 2 3 0 2 2 3 4 25 DURATION OF SUNSHINE HOURS ****** 160.4 254.3 244.4 255.8 311.8 ****** 321.8 289.7 209.9 158.6 175.1 ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1018.7 1015.7 1011.2 1009.5 1005.5 1000.4 996.5 996.8 1001.7 1011.0 1015.2 1016.9 1008.3 MAX. QFE PRESSURE IN HPA 1024.2 1024.0 1019.7 1016.4 1014.2 1008.8 1005.8 1003.8 1006.7 1018.1 1021.8 1021.6 1024.2 DAY-HOUR 23- 6 2- 6 9- 6 4- 6 1- 6 1- 6 8- 3 29- 6 21- 3 30- 6 29- 6 14- 6 MIN. QFE PRESSURE IN HPA 1009.2 1007.1 1002.4 1000.9 1000.2 992.0 986.6 990.4 996.2 1001.5 1009.7 1009.2 986.6 DAY-HOUR 18-12 12- 3 25-12 25-12 24-12 14-12 26-12 1-12 7- 3 1-12 19-12 23- 3 MEAN QNH PRESSURE IN HPA 1021.1 1018.1 1013.6 1011.8 1007.9 1002.8 998.8 999.2 1004.1 1013.4 1017.6 1019.3 1010.6 MAX. QNH PRESSURE IN HPA 1026.6 1026.4 1022.1 1018.8 1016.6 1011.2 1008.2 1006.2 1009.1 1020.5 1024.2 1024.0 1026.6 DAY-HOUR 23- 6 2- 6 9- 6 4- 6 1- 6 1- 6 8- 3 29- 6 21- 3 30- 6 29- 6 14- 6 MIN. QNH PRESSURE IN HPA 1011.6 1009.5 1004.8 1003.3 1002.6 994.4 988.9 992.8 998.6 1003.9 1012.1 1011.6 988.9 DAY-HOUR 18-12 12- 3 25-12 25-12 24-12 14-12 26-12 1-12 7- 3 1-12 19-12 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 1018.9 1015.6 1011.3 1009.7 1005.9 1001.0 996.9 997.3 1001.8 1011.1 1014.9 1016.8 1008.4 MAX. QFE PRESSURE IN HPA 1023.1 1020.8 1019.2 1015.0 1012.8 1008.6 1005.8 1003.0 1006.7 1016.7 1019.9 1020.6 1023.1 DAY 23 2 9 4 2 1 8 29 21 29 28 16 MIN. QFE PRESSURE IN HPA 1013.3 1007.1 1004.8 1002.2 1001.6 994.8 988.2 993.0 996.2 1003.4 1010.2 1009.2 988.2 DAY 18 12 25 25 30 14 26 1 7 1 19 23 MEAN QNH PRESSURE IN HPA 1021.3 1018.0 1013.7 1012.1 1008.3 1003.4 999.2 999.6 1004.2 1013.5 1017.3 1019.2 1010.8 MAX. QNH PRESSURE IN HPA 1025.5 1023.2 1021.6 1017.4 1015.2 1011.0 1008.2 1005.4 1009.1 1019.1 1022.3 1023.0 1025.5 DAY 23 2 9 4 2 1 8 29 21 29 28 16 MIN. QNH PRESSURE IN HPA 1015.7 1009.5 1007.2 1004.6 1004.0 997.2 990.6 995.4 998.6 1005.8 1012.6 1011.6 990.6 DAY 18 12 25 25 30 14 26 1 7 1 19 23 MEAN QFF PRESSURE IN HPA 1021.7 1018.3 1014.0 1012.3 1008.4 1003.5 999.3 999.8 1004.4 1013.7 1017.6 1019.5 1011.0 MAX. QFF PRESSURE IN HPA 1025.9 1023.6 1021.9 1017.7 1015.4 1011.2 1008.3 1005.5 1009.2 1019.3 1022.7 1023.4 1025.9 DAY 23 2 9 4 2 1 8 29 21 29 29 16 MIN. QFF PRESSURE IN HPA 1016.0 1009.8 1007.5 1004.8 1004.1 997.3 990.7 995.5 998.7 1006.0 1012.9 1011.9 990.7 DAY 18 12 25 25 30 14 26 1 7 1 19 23 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1020.5 1017.1 1012.6 1010.8 1006.6 1001.4 997.3 997.9 1002.7 1012.3 1016.3 1018.2 1009.5 MAX. QFE PRESSURE IN HPA 1024.2 1024.0 1019.7 1016.4 1014.2 1008.8 1005.6 1003.8 1006.6 1018.1 1021.8 1021.6 1024.2 DAY 23 2 9 4 1 1 10 29 21 30 29 14 MIN. QFE PRESSURE IN HPA 1014.6 1009.8 1005.8 1002.7 1001.8 995.0 989.5 992.9 998.6 1003.6 1011.1 1012.2 989.5 DAY 18 12 25 25 30 14 26 1 7 1 19 4 MEAN QNH PRESSURE IN HPA 1022.9 1019.5 1015.0 1013.2 1009.0 1003.8 999.7 1000.3 1005.1 1014.7 1018.7 1020.6 1011.9 MAX. QNH PRESSURE IN HPA 1026.6 1026.4 1022.1 1018.8 1016.6 1011.2 1008.0 1006.2 1009.0 1020.5 1024.2 1024.0 1026.6 DAY 23 2 9 4 1 1 10 29 21 30 29 14 MIN. QNH PRESSURE IN HPA 1017.0 1012.2 1008.2 1005.1 1004.2 997.4 991.8 995.3 1001.0 1006.0 1013.5 1014.6 991.8 DAY 18 12 25 25 30 14 26 1 7 1 19 4 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 1019.6 1016.3 1011.8 1009.9 1005.9 1000.7 996.5 997.0 1002.1 1011.5 1015.6 1017.5 1008.7 MAX. QFE PRESSURE IN HPA 1023.6 1023.2 1018.8 1015.7 1013.3 1008.0 1004.6 1001.5 1006.5 1017.2 1021.1 1020.8 1023.6 DAY 7 2 9 4 1 1 8 29 21 30 29 17 MIN. QFE PRESSURE IN HPA 1013.9 1008.8 1004.9 1002.7 1001.3 994.3 988.5 992.3 998.0 1002.8 1010.5 1011.6 988.5 DAY 18 12 25 25 30 14 26 1 7 1 19 4 MEAN QNH PRESSURE IN HPA 1022.0 1018.8 1014.2 1012.3 1008.3 1003.0 998.9 999.4 1004.4 1013.9 1018.0 1019.9 1011.1 MAX. QNH PRESSURE IN HPA 1026.0 1025.6 1021.2 1018.1 1015.7 1010.4 1007.0 1003.9 1008.9 1019.6 1023.5 1023.2 1026.0 DAY 7 2 9 4 1 1 8 29 21 30 29 17 MIN. QNH PRESSURE IN HPA 1016.3 1011.2 1007.3 1005.1 1003.7 996.7 990.9 994.7 1000.4 1005.2 1012.9 1014.0 990.9 DAY 18 12 25 25 30 14 26 1 7 1 19 4 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 1017.0 1014.5 1009.8 1008.3 1004.5 999.3 995.5 995.7 1000.7 1009.8 1014.3 1015.6 1007.1 MAX. QFE PRESSURE IN HPA 1021.6 1019.8 1016.8 1013.5 1012.0 1005.7 1003.8 1000.8 1004.6 1015.1 1020.2 1019.6 1021.6 DAY 22 2 9 7 1 1 8 29 21 15 28 11 MIN. QFE PRESSURE IN HPA 1009.2 1008.0 1002.4 1000.9 1000.2 992.0 986.6 990.4 997.0 1001.5 1009.7 1009.6 986.6 DAY 18 14 25 25 24 14 26 1 12 1 19 3 MEAN QNH PRESSURE IN HPA 1019.4 1016.9 1012.2 1010.6 1006.9 1001.7 997.9 998.1 1003.1 1012.2 1016.7 1018.0 1009.5 MAX. QNH PRESSURE IN HPA 1024.0 1022.2 1019.2 1015.9 1014.4 1008.1 1006.2 1003.2 1007.0 1017.5 1022.6 1022.0 1024.0 DAY 22 2 9 7 1 1 8 29 21 15 28 11 MIN. QNH PRESSURE IN HPA 1011.6 1010.4 1004.8 1003.3 1002.6 994.4 988.9 992.8 999.4 1003.9 1012.1 1012.0 988.9 DAY 18 14 25 25 24 14 26 1 12 1 19 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1017.7 1015.2 1010.5 1008.7 1004.8 999.8 996.1 996.3 1001.2 1010.6 1015.1 1016.4 1007.7 MAX. QFE PRESSURE IN HPA 1022.5 1020.4 1017.4 1013.9 1012.7 1005.8 1004.3 1000.7 1005.3 1015.6 1020.8 1020.6 1022.5 DAY 22 2 9 3 1 1 8 29 21 28 28 11 MIN. QFE PRESSURE IN HPA 1009.9 1008.3 1003.1 1001.2 1000.4 992.5 987.2 990.9 997.9 1002.6 1010.4 1010.2 987.2 DAY 18 14 25 25 24 14 26 1 11 1 19 3 MEAN QNH PRESSURE IN HPA 1020.1 1017.6 1012.9 1011.0 1007.2 1002.1 998.5 998.6 1003.6 1013.0 1017.5 1018.8 1010.1 MAX. QNH PRESSURE IN HPA 1024.9 1022.8 1019.8 1016.3 1015.1 1008.2 1006.7 1003.1 1007.7 1018.0 1023.2 1023.0 1024.9 DAY 22 2 9 3 1 1 8 29 21 28 28 11 MIN. QNH PRESSURE IN HPA 1012.3 1010.7 1005.5 1003.6 1002.8 994.9 989.5 993.3 1000.3 1005.0 1012.8 1012.6 989.5 DAY 18 14 25 25 24 14 26 1 11 1 19 3 MEAN QFF PRESSURE IN HPA 1020.4 1017.9 1013.2 1011.3 1007.3 1002.3 998.6 998.7 1003.8 1013.2 1017.8 1019.2 1010.3 MAX. QFF PRESSURE IN HPA 1025.3 1023.2 1020.1 1016.6 1015.3 1008.4 1006.8 1003.2 1007.8 1018.2 1023.6 1023.4 1025.3 DAY 22 2 9 3 1 1 8 29 21 28 28 30 MIN. QFF PRESSURE IN HPA 1012.6 1011.0 1005.8 1003.8 1002.9 995.0 989.7 993.4 1000.4 1005.2 1013.1 1012.9 989.7 DAY 18 14 25 25 24 14 26 1 12 1 19 3 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.3 13.3 19.7 24.7 32.3 36.3 39.6 36.7 35.0 28.7 ***** 15.5 ***** MINIMUN AIR TEMPERATURE (C) 5.2 6.4 11.3 15.4 21.8 23.1 26.2 23.9 20.6 16.7 ***** 9.6 ***** DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 21 29 31 31 13 2 **** 0 **** DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 **** 0 **** DAYS WITH FREEZING MIN.<= 0 2 0 0 0 0 0 0 0 0 0 **** 0 **** TEMPERATURE RECORDS LOWEST(C) 0.0 1.0 6.0 11.0 17.0 20.0 23.0 21.0 16.0 13.0 ***** 5.0 ***** DAY 20 1 23 1 2 9 1 4 29 29 ** 31 MAXIMUM AIR TEMPERATURE (C) 17.4 17.8 24.6 30.0 37.5 43.0 46.8 44.1 42.9 36.3 ***** 20.3 ***** DAYS WITH MAXIMUM TEMP. >=30 0 0 1 19 31 30 31 31 30 28 **** 0 **** DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 **** 0 **** TEMPERATURE RECORDS HIGHEST(C) 22.0 24.0 30.0 36.0 42.0 47.0 49.0 47.0 48.0 41.0 ***** 25.0 ***** DAY 14 29 31 18 19 27 15 1 4 1 ** 25 DIF. BETWEEN (MAX.-MIN.) (C) 12.2 11.4 13.3 14.6 15.7 19.9 20.6 20.2 22.3 19.6 ***** 10.7 ***** MEAN DAILY TEMP. (MDT) (C) 11.3 12.1 18.0 22.7 29.7 33.0 36.5 34.0 31.7 26.5 ***** 15.0 ***** COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 6.0 69.0 268.5 361.0 481.0 404.0 322.5 172.0 ****** 0.0 ****** HEATING DEG. DAYS(BASE 18 0C) 207.5 170.5 37.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ****** 97.5 ****** DEWPOINT (MEAN C) 5.6 6.2 9.0 12.1 15.8 13.6 15.8 15.2 13.7 12.6 ***** 10.1 ***** MIXING RATIO (G/KG) 5.83 6.01 7.58 9.03 11.76 10.55 11.76 11.16 10.02 9.38 ****** 7.89 ****** VAPOUR PRESSURE (HPA) 9.41 9.72 12.15 14.44 18.63 16.64 18.47 17.57 15.90 15.00 ****** 12.71 ****** SATURATION DEF. (HPA) 5.58 6.32 11.93 18.35 31.95 47.55 58.55 48.03 44.95 27.81 ****** 5.46 ****** RELATIVE HUMIDITY (MEAN %) 65 66 54 49 41 30 27 32 31 43 *** 72 *** RELATIVE HUMIDITY (MAX. %) 83 87 79 77 68 55 47 60 57 75 *** 87 *** RELATIVE HUMIDITY (MIN. %) 49 50 40 35 28 20 18 20 20 26 *** 57 *** RELATIVE HUMIDITY (MEAN% 03UTC) 82 86 78 74 68 55 47 60 57 72 *** 86 *** RELATIVE HUMIDITY (MEAN% 09UTC) 54 57 45 40 33 23 22 25 23 30 *** 63 *** RELATIVE HUMIDITY (MEAN% 15UTC) 69 60 48 43 31 23 20 22 24 37 *** 76 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 2.0 22.0 44.0 40.0 5.0 0.0 0.0 0.0 0.0 38.0 ****** 63.0 ****** DAYS WITH PRECIPITATION >=10 0 1 1 1 0 0 0 0 0 1 **** 2 **** DAYS WITH PRECIPITATION >= 5 0 2 3 3 1 0 0 0 0 1 **** 4 **** DAYS WITH PRECIPITATION >= 1 2 4 4 6 1 0 0 0 0 2 **** 7 **** DAYS WITH PRECIPITATION 2 4 4 6 1 0 0 0 0 2 **** 7 **** GREATEST DAILY PRECIPITATION 1.0 13.0 29.0 22.0 5.0 0.0 0.0 0.0 0.0 37.0 ****** 19.0 ****** DAY 15 8 5 10 14 ** ** ** ** 26 ** 7 DAY WITH THUNDER STORM 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 **** DAYS WITH DUST 6 1 9 0 4 7 3 3 1 1 **** 0 **** WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 *** 270 *** PREVAILING WIND SPEED(KNOTS) 6.7 4.5 5.6 4.7 6.2 8.6 9.1 5.4 5.2 4.3 **** 4.9 **** PREVAILING WIND PERCENT 67.7 51.0 42.6 50.0 54.8 91.3 53.5 61.9 66.7 63.2 ***** 60.0 ***** CALMS PERCENT OF WIND 1.9 15.2 7.7 14.7 7.7 0.7 0.0 2.6 5.3 1.3 ***** 1.3 ***** NO. 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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 1016.2 1016.3 1011.5 1009.7 1006.4 1000.1 996.4 998.4 1003.7 1010.7 ****** 1015.6 ****** MAX. QFE PRESSURE IN HPA 1020.9 1024.9 1016.4 1013.7 1012.4 1008.0 1004.9 1002.4 1007.0 1015.4 ****** 1020.6 ****** DAY 20 5 1 5 2 2 29 31 21 22 ** 18 MIN. QFE PRESSURE IN HPA 1007.3 1007.5 1004.6 1004.0 1003.0 994.8 993.2 993.4 999.1 1005.8 ****** 1009.2 ****** DAY 25 2 10 24 24 23 9 29 4 3 ** 5 MEAN QNH PRESSURE IN HPA 1018.6 1018.7 1013.9 1012.1 1008.8 1002.5 998.7 1000.8 1006.1 1013.1 ****** 1018.0 ****** MAX. QNH PRESSURE IN HPA 1023.3 1027.3 1018.8 1016.1 1014.8 1010.4 1007.3 1004.8 1009.4 1017.8 ****** 1023.0 ****** DAY 20 5 1 5 2 2 29 31 21 22 ** 18 MIN. 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QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1015.5 1016.1 1011.2 1009.1 1005.6 999.4 995.3 997.3 1003.0 1010.2 ****** 1015.4 ****** MAX. QFE PRESSURE IN HPA 1021.2 1024.5 1015.3 1013.4 1010.9 1007.4 1003.6 1002.8 1007.4 1015.2 ****** 1020.6 ****** DAY 18 5 27 4 1 1 30 31 24 22 ** 18 MIN. 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QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. 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OF WIND OBSERVATION 155 **** 155 150 155 150 155 155 150 155 150 155 1685 VECTOR WIND DIRECTION (MEAN) 93 *** 90 118 262 271 239 125 277 98 274 232 *** VECTOR WIND MAGNITUDE(KNOTS) 1.8 **** 7.4 1.0 4.1 4.4 2.9 1.4 1.6 1.5 3.1 1.8 **** WIND STEADINESES (MEAN %) 25.4 ***** 69.2 13.2 57.7 71.0 63.0 24.6 28.1 22.7 58.5 36.0 ***** WIND SPEED (MEAN KNOTS) 7.1 **** 10.7 7.6 7.1 6.2 4.6 5.7 5.7 6.6 5.3 5.0 **** FASTEST WIND DIRECTION 90 *** 90 90 270 270 270 270 270 270 90 180 *** FASTEST WIND SPEED (KNOTS) 30 *** 25 25 25 25 15 25 25 25 20 25 *** DAY 20 ** 8 1 16 12 2 14 30 1 2 31 DAYS WITH SKY CLEAR (0-2)/8 15 **** 8 17 28 30 31 31 30 25 22 15 **** DAYS WITH P.CLOUDY (3-6)/8 9 **** 12 5 3 0 0 0 0 6 5 11 **** DAYS WITH CLOUDY (7-8)/8 7 **** 11 8 0 0 0 0 0 0 3 5 **** DAYS WITH VISIBILITY =< 2 KM 0 **** 0 1 0 0 0 0 0 1 1 4 **** DURATION OF SUNSHINE HOURS 153.6 ****** 120.4 187.7 295.0 339.5 363.0 310.5 325.5 230.0 ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. 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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 1014.2 ****** 1009.8 1009.2 1004.8 999.3 996.6 998.5 1003.6 1009.4 1015.5 1016.7 ****** MAX. QFE PRESSURE IN HPA 1019.8 ****** 1016.6 1015.2 1010.0 1003.0 999.8 1004.7 1007.6 1015.8 1020.8 1020.1 ****** DAY 12 ** 25 14 5 3 2 25 30 31 25 18 MIN. QFE PRESSURE IN HPA 1003.6 ****** 1000.4 1004.9 1000.4 995.3 993.9 994.6 998.4 1005.2 1010.0 1011.1 ****** DAY 23 ** 20 5 31 14 16 10 7 2 2 31 MEAN QNH PRESSURE IN HPA 1016.6 ****** 1012.2 1011.6 1007.1 1001.7 999.0 1000.8 1006.0 1011.8 1018.0 1019.2 ****** MAX. QNH PRESSURE IN HPA 1022.2 ****** 1019.0 1017.6 1012.4 1005.4 1002.2 1007.1 1010.0 1018.2 1023.2 1022.5 ****** DAY 12 ** 25 14 5 3 2 25 30 31 25 18 MIN. 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QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1015.1 ****** 1010.5 1010.3 1004.7 999.1 995.6 998.1 1003.7 1009.6 1015.7 1016.7 ****** MAX. QFE PRESSURE IN HPA 1020.3 ****** 1018.0 1016.4 1009.2 1003.4 998.3 1005.0 1008.0 1016.2 1020.7 1020.0 ****** DAY 31 ** 25 14 17 3 2 25 29 31 24 28 MIN. QFE PRESSURE IN HPA 1003.9 ****** 999.9 1005.4 1000.0 994.8 993.1 992.4 998.4 1005.4 1010.3 1011.3 ****** DAY 23 ** 20 5 31 14 16 4 7 2 2 31 MEAN QNH PRESSURE IN HPA 1017.5 ****** 1012.9 1012.7 1007.1 1001.5 997.9 1000.5 1006.1 1012.0 1018.2 1019.1 ****** MAX. QNH PRESSURE IN HPA 1022.7 ****** 1020.4 1018.8 1011.6 1005.8 1000.7 1007.4 1010.4 1018.6 1023.1 1022.4 ****** DAY 31 ** 25 14 17 3 2 25 29 31 24 28 MIN. QNH PRESSURE IN HPA 1006.3 ****** 1002.3 1007.8 1002.4 997.2 995.5 994.8 1000.8 1007.8 1012.7 1013.7 ****** DAY 23 ** 20 5 31 14 16 4 7 2 2 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 1013.3 ****** 1008.4 1008.3 1003.0 997.8 994.7 996.8 1002.0 1007.7 1014.2 1015.4 ****** MAX. 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QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1013.9 ****** 1009.3 1008.9 1003.7 998.5 995.8 997.6 1002.8 1008.7 1014.9 1015.8 ****** MAX. QFE PRESSURE IN HPA 1018.8 ****** 1016.4 1014.9 1007.4 1002.6 998.5 1003.4 1006.6 1016.1 1020.8 1019.4 ****** DAY 13 ** 25 14 9 4 2 25 29 31 24 28 MIN. 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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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.4 16.1 19.9 28.1 33.3 37.7 39.1 37.9 34.2 28.4 23.3 13.1 26.9 MINIMUN AIR TEMPERATURE (C) 7.7 9.4 11.6 17.3 21.1 23.7 26.9 25.3 20.9 16.4 13.1 5.9 16.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 4 18 29 31 31 20 2 0 0 135 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) 3.0 6.0 10.0 14.0 17.0 20.0 25.0 22.0 18.0 14.0 8.0 2.0 2.0 DAY 29 4 1 1 7 2 2 27 30 17 26 16 MAXIMUM AIR TEMPERATURE (C) 16.2 22.1 26.2 35.1 40.4 45.4 46.0 45.0 41.8 35.7 29.8 19.1 33.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 3 27 31 30 31 31 30 31 16 0 230 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 33.0 41.0 46.0 48.0 48.0 48.0 44.0 42.0 34.0 26.0 48.0 DAY 4 14 31 17 26 5 9 14 4 1 1 5 DIF. BETWEEN (MAX.-MIN.) (C) 8.5 12.7 14.6 17.8 19.3 21.7 19.1 19.7 20.9 19.3 16.7 13.2 17.0 MEAN DAILY TEMP. (MDT) (C) 12.0 15.7 18.9 26.2 30.7 34.5 36.5 35.2 31.3 26.1 21.4 12.5 25.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 2.0 156.0 291.5 406.5 479.0 439.0 310.0 151.5 31.5 0.0 2267.0 HEATING DEG. DAYS(BASE 18 0C) 186.5 64.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0 172.0 429.5 DEWPOINT (MEAN C) 8.3 8.4 8.8 9.4 7.3 8.1 11.1 9.0 6.1 5.0 7.1 4.7 7.8 MIXING RATIO (G/KG) 6.86 6.94 7.17 7.56 6.60 6.95 8.53 7.41 6.18 5.61 6.60 5.41 6.82 VAPOUR PRESSURE (HPA) 11.08 11.19 11.51 12.10 10.52 11.01 13.44 11.71 9.83 9.02 10.64 8.76 10.90 SATURATION DEF. (HPA) 3.58 7.74 12.45 27.72 44.03 58.15 60.23 57.83 47.52 32.31 19.37 7.21 31.51 RELATIVE HUMIDITY (MEAN %) 78 63 53 34 24 19 21 20 21 27 39 60 38 RELATIVE HUMIDITY (MAX. %) 90 85 77 60 45 39 40 40 42 48 62 82 59 RELATIVE HUMIDITY (MIN. %) 65 45 34 20 13 11 12 11 10 14 24 43 25 RELATIVE HUMIDITY (MEAN% 03UTC) 89 85 77 59 45 39 40 40 42 47 60 82 59 RELATIVE HUMIDITY (MEAN% 09UTC) 74 57 47 25 17 13 16 13 14 18 31 50 31 RELATIVE HUMIDITY (MEAN% 15UTC) 74 56 45 30 17 12 14 13 12 20 33 55 32 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 149.0 5.0 17.0 5.0 19.0 0.0 0.0 0.0 0.0 19.0 1.0 46.0 261.0 DAYS WITH PRECIPITATION >=10 5 0 1 0 1 0 0 0 0 1 0 2 10 DAYS WITH PRECIPITATION >= 5 5 1 1 1 1 0 0 0 0 1 0 3 13 DAYS WITH PRECIPITATION >= 1 5 1 2 1 1 0 0 0 0 1 1 5 17 DAYS WITH PRECIPITATION 5 1 2 1 1 0 0 0 0 1 1 5 17 GREATEST DAILY PRECIPITATION 50.0 5.0 14.0 5.0 19.0 0.0 0.0 0.0 0.0 19.0 1.0 21.0 50.0 DAY 7 7 3 30 14 ** ** ** ** 6 28 13 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 2 3 5 6 7 3 1 3 0 1 0 31 WIND DIRECTION (PREVAILING) 270 270 315 180 315 315 315 315 315 315 315 315 315 PREVAILING WIND SPEED(KNOTS) 6.1 7.3 7.7 10.6 12.6 11.5 10.3 10.9 8.1 9.7 8.0 7.9 9.7 PREVAILING WIND PERCENT 20.6 20.7 27.1 22.7 47.1 64.0 57.4 52.9 53.3 42.6 32.9 47.7 39.5 CALMS PERCENT OF WIND 25.8 41.4 16.8 11.3 8.4 6.0 10.3 5.2 12.0 19.4 8.1 20.0 15.2 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 149 155 1824 VECTOR WIND DIRECTION (MEAN) 320 309 229 213 315 315 299 298 299 314 292 317 304 VECTOR WIND MAGNITUDE(KNOTS) 0.9 2.3 1.7 1.5 7.4 8.4 6.5 7.2 4.7 4.9 1.6 3.3 3.9 WIND STEADINESES (MEAN %) 16.4 52.3 22.7 18.1 71.8 84.0 78.3 78.3 70.1 68.1 20.0 50.0 50.6 WIND SPEED (MEAN KNOTS) 5.5 4.4 7.5 8.3 10.3 10.0 8.3 9.2 6.7 7.2 8.0 6.6 7.7 FASTEST WIND DIRECTION 140 300 180 180 300 300 300 300 300 360 180 300 180 FASTEST WIND SPEED (KNOTS) 20 18 30 30 25 25 20 20 18 15 20 20 30 DAY 21 19 19 19 24 8 4 30 2 1 28 13 DAYS WITH SKY CLEAR (0-2)/8 13 18 19 17 27 30 30 31 30 30 13 21 279 DAYS WITH P.CLOUDY (3-6)/8 8 8 8 11 3 0 1 0 0 1 14 6 60 DAYS WITH CLOUDY (7-8)/8 10 2 4 2 1 0 0 0 0 0 3 4 26 DAYS WITH VISIBILITY =< 2 KM 4 3 2 2 1 1 0 0 1 0 1 0 15 DURATION OF SUNSHINE HOURS 135.5 173.0 235.5 225.7 323.0 338.0 338.0 348.0 308.5 276.5 183.9 204.5 3090.1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1016.4 1015.1 1011.4 1008.3 1003.6 996.4 994.4 995.1 1000.1 1009.1 1014.2 1017.5 1006.8 MAX. QFE PRESSURE IN HPA 1023.1 1021.3 1018.1 1013.3 1009.7 1000.8 998.7 999.6 1008.4 1016.6 1019.1 1026.5 1026.5 DAY-HOUR 3- 6 3- 6 25- 9 21- 6 1- 9 21- 6 25- 6 30- 6 23- 6 30- 6 29- 6 16- 6 MIN. QFE PRESSURE IN HPA 1006.4 1008.1 1003.5 996.2 997.0 991.4 990.4 991.9 994.6 1002.0 1010.2 1009.0 990.4 DAY-HOUR 22-15 23-12 19-15 19- 3 30-15 29-12 7-12 20-12 1-12 5-12 23-12 12-12 MEAN QNH PRESSURE IN HPA 1018.8 1017.5 1013.8 1010.7 1006.0 998.7 996.7 997.5 1002.5 1011.5 1016.6 1020.0 1009.2 MAX. QNH PRESSURE IN HPA 1025.5 1023.7 1020.5 1015.7 1012.1 1003.2 1001.1 1002.0 1010.8 1019.0 1021.5 1028.9 1028.9 DAY-HOUR 3- 6 3- 6 25- 9 21- 6 1- 9 21- 6 25- 6 30- 6 23- 6 30- 6 29- 6 16- 6 MIN. QNH PRESSURE IN HPA 1008.8 1010.5 1005.9 998.6 999.4 993.8 992.8 994.3 997.0 1004.4 1012.6 1011.4 992.8 DAY-HOUR 22-15 23-12 19-15 19- 3 30-15 29-12 7-12 20-12 1-12 5-12 23-12 12-12 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 1016.8 1015.4 1011.6 1008.6 1003.6 996.4 994.3 995.1 1000.2 1009.3 1014.7 1017.8 1007.0 MAX. QFE PRESSURE IN HPA 1022.5 1020.7 1016.9 1013.0 1008.6 1000.2 998.0 998.8 1006.9 1015.3 1018.0 1025.8 1025.8 DAY 3 3 25 21 8 21 24 30 23 30 29 16 MIN. QFE PRESSURE IN HPA 1006.5 1009.1 1004.9 996.2 998.1 992.6 990.8 992.9 995.4 1002.4 1011.0 1010.6 990.8 DAY 22 23 7 19 26 29 17 12 1 5 23 13 MEAN QNH PRESSURE IN HPA 1019.2 1017.8 1014.0 1011.0 1006.0 998.7 996.7 997.4 1002.6 1011.7 1017.1 1020.2 1009.4 MAX. QNH PRESSURE IN HPA 1024.9 1023.1 1019.3 1015.4 1011.0 1002.6 1000.4 1001.2 1009.3 1017.7 1020.4 1028.2 1028.2 DAY 3 3 25 21 8 21 24 30 23 30 29 16 MIN. QNH PRESSURE IN HPA 1008.9 1011.5 1007.3 998.6 1000.5 995.0 993.2 995.3 997.8 1004.8 1013.4 1013.0 993.2 DAY 22 23 7 19 26 29 17 12 1 5 23 13 MEAN QFF PRESSURE IN HPA 1019.5 1018.1 1014.3 1011.2 1006.1 998.9 996.8 997.6 1002.7 1011.9 1017.4 1020.5 1009.6 MAX. QFF PRESSURE IN HPA 1025.3 1023.5 1019.6 1015.6 1011.2 1002.7 1000.5 1001.3 1009.4 1017.9 1020.7 1028.6 1028.6 DAY 3 3 25 21 8 21 24 30 23 30 29 16 MIN. QFF PRESSURE IN HPA 1009.2 1011.8 1007.6 998.7 1000.6 995.1 993.2 995.3 997.9 1004.9 1013.6 1013.3 993.2 DAY 22 23 7 19 26 29 17 12 1 5 23 13 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1017.4 1016.0 1012.2 1009.3 1004.8 997.1 995.1 996.0 1001.2 1010.4 1015.5 1018.7 1007.8 MAX. QFE PRESSURE IN HPA 1023.1 1021.3 1017.7 1013.3 1009.7 1000.8 998.7 999.6 1008.4 1016.6 1019.1 1026.5 1026.5 DAY 3 3 25 21 8 21 25 30 23 30 29 16 MIN. QFE PRESSURE IN HPA 1007.8 1009.4 1005.4 997.0 998.9 993.5 991.4 993.8 996.1 1003.3 1012.1 1011.9 991.4 DAY 22 23 19 19 26 29 17 7 1 5 23 12 MEAN QNH PRESSURE IN HPA 1019.8 1018.4 1014.6 1011.7 1007.1 999.5 997.5 998.4 1003.6 1012.8 1017.9 1021.1 1010.2 MAX. QNH PRESSURE IN HPA 1025.5 1023.7 1020.1 1015.7 1012.1 1003.2 1001.1 1002.0 1010.8 1019.0 1021.5 1028.9 1028.9 DAY 3 3 25 21 8 21 25 30 23 30 29 16 MIN. QNH PRESSURE IN HPA 1010.2 1011.8 1007.8 999.4 1001.3 995.9 993.8 996.2 998.5 1005.7 1014.5 1014.3 993.8 DAY 22 23 19 19 26 29 17 7 1 5 23 12 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 1016.8 1015.4 1011.9 1008.7 1004.2 996.7 994.6 995.3 1000.3 1009.3 1014.1 1017.5 1007.1 MAX. QFE PRESSURE IN HPA 1022.1 1021.2 1018.1 1013.2 1009.7 1000.0 998.1 998.5 1007.7 1015.9 1017.5 1024.6 1024.6 DAY 2 4 25 21 1 12 26 30 23 30 29 31 MIN. QFE PRESSURE IN HPA 1007.8 1008.8 1004.7 996.8 998.8 992.4 991.0 992.6 995.6 1002.8 1010.4 1010.0 991.0 DAY 22 23 19 19 26 29 17 6 1 5 23 12 MEAN QNH PRESSURE IN HPA 1019.2 1017.8 1014.3 1011.1 1006.6 999.0 997.0 997.7 1002.7 1011.7 1016.5 1019.9 1009.5 MAX. QNH PRESSURE IN HPA 1024.5 1023.6 1020.5 1015.6 1012.1 1002.4 1000.5 1000.9 1010.1 1018.3 1019.9 1027.0 1027.0 DAY 2 4 25 21 1 12 26 30 23 30 29 31 MIN. QNH PRESSURE IN HPA 1010.2 1011.2 1007.1 999.2 1001.2 994.8 993.4 995.0 998.0 1005.2 1012.8 1012.4 993.4 DAY 22 23 19 19 26 29 17 6 1 5 23 12 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 1015.6 1014.1 1010.6 1007.2 1002.8 995.8 993.8 994.4 999.3 1008.1 1013.1 1016.7 1006.0 MAX. QFE PRESSURE IN HPA 1020.7 1019.1 1017.6 1011.8 1008.0 999.2 997.5 997.3 1005.4 1014.3 1016.5 1024.4 1024.4 DAY 2 3 25 21 1 12 26 30 23 31 29 15 MIN. QFE PRESSURE IN HPA 1006.8 1008.1 1003.6 998.3 997.2 991.4 990.4 991.9 994.6 1002.0 1010.2 1009.0 990.4 DAY 22 23 19 19 30 29 7 20 1 5 23 12 MEAN QNH PRESSURE IN HPA 1018.0 1016.5 1013.0 1009.6 1005.2 998.2 996.1 996.8 1001.6 1010.5 1015.5 1019.1 1008.4 MAX. QNH PRESSURE IN HPA 1023.1 1021.5 1020.0 1014.2 1010.4 1001.6 999.9 999.7 1007.8 1016.7 1018.9 1026.8 1026.8 DAY 2 3 25 21 1 12 26 30 23 31 29 15 MIN. QNH PRESSURE IN HPA 1009.2 1010.5 1006.0 1000.7 999.6 993.8 992.8 994.3 997.0 1004.4 1012.6 1011.4 992.8 DAY 22 23 19 19 30 29 7 20 1 5 23 12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1015.7 1014.5 1010.9 1007.5 1002.8 995.9 994.1 994.7 999.6 1008.6 1013.5 1017.2 1006.3 MAX. QFE PRESSURE IN HPA 1020.3 1019.0 1017.9 1011.6 1008.6 999.0 997.9 996.9 1005.7 1014.8 1017.5 1025.0 1025.0 DAY 2 3 25 8 8 21 26 30 23 28 29 15 MIN. QFE PRESSURE IN HPA 1006.4 1008.4 1003.5 999.2 997.0 992.3 990.6 992.2 995.1 1002.3 1010.6 1009.6 990.6 DAY 22 23 19 18 30 29 17 22 1 5 23 12 MEAN QNH PRESSURE IN HPA 1018.1 1016.9 1013.3 1009.9 1005.2 998.3 996.5 997.1 1002.0 1011.0 1015.9 1019.6 1008.7 MAX. QNH PRESSURE IN HPA 1022.7 1021.4 1020.3 1014.0 1011.0 1001.4 1000.3 999.3 1008.1 1017.2 1019.9 1027.4 1027.4 DAY 2 3 25 8 8 21 26 30 23 28 29 15 MIN. QNH PRESSURE IN HPA 1008.8 1010.8 1005.9 1001.6 999.4 994.7 993.0 994.6 997.5 1004.7 1013.0 1012.0 993.0 DAY 22 23 19 18 30 29 17 22 1 5 23 12 MEAN QFF PRESSURE IN HPA 1018.4 1017.2 1013.6 1010.1 1005.4 998.4 996.6 997.2 1002.1 1011.2 1016.2 1020.0 1008.9 MAX. QFF PRESSURE IN HPA 1023.1 1021.7 1020.6 1014.2 1011.2 1001.5 1000.4 999.4 1008.2 1017.4 1020.2 1027.8 1027.8 DAY 2 3 25 8 8 21 26 30 23 28 29 15 MIN. QFF PRESSURE IN HPA 1009.1 1011.1 1006.1 1001.7 999.5 994.8 993.0 994.7 997.6 1004.9 1013.2 1012.3 993.0 DAY 22 23 19 18 30 29 17 22 1 5 23 12 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 AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 M MEANS AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.7 14.6 20.5 24.5 34.8 35.8 38.9 38.1 35.1 27.5 20.5 13.2 26.4 MINIMUN AIR TEMPERATURE (C) 6.1 7.2 12.0 15.9 23.2 23.5 26.8 25.7 21.9 15.4 12.5 6.5 16.4 DAYS WITH MINIMUM TEMP. >=21 0 0 1 0 29 29 31 31 22 1 0 0 144 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) 2.0 0.0 5.0 11.0 18.0 20.0 25.0 23.0 19.0 11.0 9.0 1.0 0.0 DAY 19 16 16 3 2 8 1 26 25 10 15 22 MAXIMUM AIR TEMPERATURE (C) 19.6 20.4 26.5 29.9 40.6 42.3 45.7 44.6 42.6 34.8 25.9 18.6 32.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 4 14 31 30 31 31 30 31 6 0 208 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.0 28.0 31.0 38.0 44.0 46.0 52.0 47.0 46.0 40.0 34.0 26.0 52.0 DAY 9 21 19 29 20 22 12 23 2 1 2 1 DIF. BETWEEN (MAX.-MIN.) (C) 13.5 13.2 14.5 14.0 17.4 18.8 18.9 18.9 20.7 19.4 13.4 12.1 16.2 MEAN DAILY TEMP. (MDT) (C) 12.9 13.8 19.3 22.9 31.9 32.9 36.3 35.2 32.3 25.1 19.2 12.5 24.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 9.5 71.5 337.5 357.5 474.0 439.0 338.0 127.0 13.0 0.0 2167.0 HEATING DEG. DAYS(BASE 18 0C) 159.0 124.5 16.5 1.5 0.0 0.0 0.0 0.0 0.0 0.0 15.0 171.0 487.5 DEWPOINT (MEAN C) 5.7 5.1 4.8 9.3 9.0 7.2 8.7 12.1 9.5 6.8 11.2 5.8 7.9 MIXING RATIO (G/KG) 5.79 5.61 5.65 7.64 7.49 6.69 7.46 9.74 7.94 6.51 8.51 5.91 7.08 VAPOUR PRESSURE (HPA) 9.37 9.04 9.10 12.22 11.93 10.58 11.75 15.30 12.62 10.45 13.69 9.56 11.30 SATURATION DEF. (HPA) 6.98 8.59 16.10 20.14 46.02 50.91 61.20 54.29 47.48 28.56 11.38 6.54 29.85 RELATIVE HUMIDITY (MEAN %) 62 57 41 44 24 20 19 25 25 31 59 63 39 RELATIVE HUMIDITY (MAX. %) 83 81 68 72 46 40 39 44 46 51 81 78 61 RELATIVE HUMIDITY (MIN. %) 43 38 23 26 13 10 9 14 13 18 40 48 25 RELATIVE HUMIDITY (MEAN% 03UTC) 82 81 67 72 46 40 39 43 46 49 78 75 60 RELATIVE HUMIDITY (MEAN% 09UTC) 53 49 33 32 16 13 12 18 16 21 49 60 31 RELATIVE HUMIDITY (MEAN% 15UTC) 57 50 32 34 19 16 13 22 18 29 59 60 34 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 42.0 45.0 17.0 35.0 10.1 0.0 0.0 0.0 0.0 0.3 46.0 43.7 239.1 DAYS WITH PRECIPITATION >=10 3 2 0 2 1 0 0 0 0 0 2 1 11 DAYS WITH PRECIPITATION >= 5 3 2 3 2 1 0 0 0 0 0 3 4 18 DAYS WITH PRECIPITATION >= 1 3 2 3 4 1 0 0 0 0 0 7 5 25 DAYS WITH PRECIPITATION 3 2 3 5 2 0 0 0 0 2 7 9 33 GREATEST DAILY PRECIPITATION 15.0 30.0 6.0 19.0 10.0 0.0 0.0 0.0 0.0 0.3 19.0 19.0 30.0 DAY 22 13 15 1 24 ** ** ** ** 27 7 30 DAY WITH THUNDER STORM 0 0 0 1 0 0 0 0 0 0 1 1 3 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 4 5 1 3 8 8 4 1 5 2 4 46 WIND DIRECTION (PREVAILING) 315 315 315 315 315 315 315 315 315 315 180 315 315 PREVAILING WIND SPEED(KNOTS) 8.8 8.3 9.1 9.9 9.1 10.8 10.3 11.3 9.0 9.0 9.8 7.5 9.5 PREVAILING WIND PERCENT 33.5 30.0 32.3 24.0 34.2 56.0 55.5 33.5 20.0 31.6 16.7 16.8 31.7 CALMS PERCENT OF WIND 25.8 15.0 12.3 18.7 13.5 12.7 11.0 23.2 28.0 41.9 53.3 47.7 25.3 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 324 290 225 262 329 298 297 291 243 296 220 207 293 VECTOR WIND MAGNITUDE(KNOTS) 3.2 1.7 2.6 0.8 4.5 6.9 6.6 5.3 1.5 2.8 0.6 0.8 2.7 WIND STEADINESES (MEAN %) 48.5 23.0 28.0 9.1 57.7 82.1 75.9 67.9 24.6 54.9 15.0 15.4 38.0 WIND SPEED (MEAN KNOTS) 6.6 7.4 9.3 8.8 7.8 8.4 8.7 7.8 6.1 5.1 4.0 5.2 7.1 FASTEST WIND DIRECTION 360 180 180 180 330 300 250 300 300 300 150 160 180 FASTEST WIND SPEED (KNOTS) 20 25 35 25 22 20 25 30 23 20 20 30 35 DAY 27 27 12 12 17 2 21 9 2 2 7 7 DAYS WITH SKY CLEAR (0-2)/8 20 16 12 17 19 30 31 31 30 30 16 14 266 DAYS WITH P.CLOUDY (3-6)/8 6 7 13 7 10 0 0 0 0 1 9 12 65 DAYS WITH CLOUDY (7-8)/8 5 5 6 6 2 0 0 0 0 0 5 5 34 DAYS WITH VISIBILITY =< 2 KM 1 3 5 0 3 3 2 2 0 2 2 3 26 DURATION OF SUNSHINE HOURS 213.5 183.0 217.1 208.5 265.5 303.1 301.6 321.0 299.0 279.0 203.8 107.8 2902.9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1016.4 1013.3 1013.2 1008.0 1002.5 996.0 993.5 995.3 1002.5 1010.4 1015.2 1016.3 1006.9 MAX. QFE PRESSURE IN HPA 1024.6 1025.2 1023.2 1016.5 1008.6 1001.1 997.8 1001.3 1010.0 1015.8 1024.2 1027.3 1027.3 DAY-HOUR 1- 6 16- 6 16- 6 3- 6 4- 6 2- 3 6- 6 24- 6 23- 6 31- 6 20- 6 31- 9 MIN. QFE PRESSURE IN HPA 1008.1 997.7 1005.3 997.3 997.2 992.3 989.3 989.4 996.8 1001.8 1007.0 1008.2 989.3 DAY-HOUR 13-12 13- 9 14-12 24-15 28-12 22-15 12-15 9-12 1-15 1-15 7-15 19-12 MEAN QNH PRESSURE IN HPA 1018.8 1015.7 1015.6 1010.4 1004.9 998.4 995.9 997.7 1004.9 1012.8 1017.6 1018.7 1009.3 MAX. QNH PRESSURE IN HPA 1027.0 1027.6 1025.6 1018.9 1011.0 1003.5 1000.2 1003.7 1012.4 1018.2 1026.6 1029.7 1029.7 DAY-HOUR 1- 6 16- 6 16- 6 3- 6 4- 6 2- 3 6- 6 24- 6 23- 6 31- 6 20- 6 31- 9 MIN. QNH PRESSURE IN HPA 1010.5 1000.1 1007.7 999.7 999.6 994.7 991.6 991.7 999.2 1004.2 1009.4 1010.6 991.6 DAY-HOUR 13-12 13- 9 14-12 24-15 28-12 22-15 12-15 9-12 1-15 1-15 7-15 19-12 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 1016.8 1013.6 1013.4 1008.3 1002.9 996.1 993.7 995.3 1002.5 1010.6 1015.3 1016.4 1007.1 MAX. QFE PRESSURE IN HPA 1023.6 1024.7 1022.3 1014.8 1007.6 1001.1 997.4 1000.5 1009.0 1014.8 1024.0 1025.3 1025.3 DAY 1 16 16 20 4 2 6 24 23 31 20 31 MIN. QFE PRESSURE IN HPA 1009.9 1001.5 1007.6 1000.4 999.2 992.8 991.5 990.6 997.7 1003.6 1007.9 1009.2 990.6 DAY 13 13 20 24 27 24 12 9 2 1 7 7 MEAN QNH PRESSURE IN HPA 1019.3 1016.0 1015.8 1010.7 1005.2 998.5 996.1 997.7 1004.9 1013.0 1017.7 1018.8 1009.5 MAX. QNH PRESSURE IN HPA 1026.0 1027.1 1024.7 1017.2 1010.0 1003.5 999.8 1002.9 1011.4 1017.2 1026.4 1027.7 1027.7 DAY 1 16 16 20 4 2 6 24 23 31 20 31 MIN. QNH PRESSURE IN HPA 1012.3 1003.9 1010.0 1002.8 1001.6 995.2 993.9 993.0 1000.1 1006.0 1010.3 1011.6 993.0 DAY 13 13 20 24 27 24 12 9 2 1 7 7 MEAN QFF PRESSURE IN HPA 1019.6 1016.3 1016.0 1010.9 1005.4 998.6 996.2 997.8 1005.0 1013.2 1018.0 1019.1 1009.7 MAX. QFF PRESSURE IN HPA 1026.4 1027.5 1025.1 1017.5 1010.2 1003.6 999.9 1003.0 1011.5 1017.4 1026.7 1028.1 1028.1 DAY 1 16 16 20 4 2 6 24 23 31 20 31 MIN. QFF PRESSURE IN HPA 1012.6 1004.2 1010.2 1003.0 1001.7 995.3 993.9 993.0 1000.2 1006.1 1010.5 1011.9 993.0 DAY 13 13 20 24 27 24 12 9 2 1 7 7 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION AHWAZ (40811) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 20 N LONGITUDE 48 40 E DATA PROCESSING CENTER ELEVATION 22.5 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 1017.7 1014.2 1014.3 1009.3 1003.7 996.7 994.4 996.4 1003.8 1011.8 1016.4 1017.4 1008.0 MAX. QFE PRESSURE IN HPA 1024.6 1025.2 1023.2 1016.5 1008.6 1001.1 997.8 1001.3 1010.0 1015.8 1024.2 1026.3 1026.3 DAY 1 16 16 3 4 2 6 24 23 31 20 31 MIN. QFE PRESSURE IN HPA 1010.7 1000.5 1008.8 1000.4 999.0 993.3 991.6 991.3 999.0 1005.0 1007.7 1010.5 991.3 DAY 13 13 20 24 28 24 12 9 1 1 7 7 MEAN QNH PRESSURE IN HPA 1020.1 1016.6 1016.7 1011.7 1006.0 999.1 996.8 998.7 1006.2 1014.2 1018.8 1019.8 1010.4 MAX. QNH PRESSURE IN HPA 1027.0 1027.6 1025.6 1018.9 1011.0 1003.5 1000.2 1003.7 1012.4 1018.2 1026.6 1028.7 1028.7 DAY 1 16 16 3 4 2 6 24 23 31 20 31 MIN. QNH PRESSURE IN HPA 1013.1 1002.9 1011.2 1002.8 1001.4 995.7 994.0 993.7 1001.4 1007.4 1010.1 1012.9 993.7 DAY 13 13 20 24 28 24 12 9 1 1 7 7 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 1016.2 1013.4 1013.4 1008.5 1002.9 996.2 993.8 995.8 1003.2 1010.9 1015.7 1016.9 1007.3 MAX. QFE PRESSURE IN HPA 1024.2 1024.4 1022.0 1014.8 1007.4 1000.3 997.0 1000.9 1009.0 1015.4 1022.0 1027.3 1027.3 DAY 1 16 16 20 3 2 6 24 23 31 20 31 MIN. QFE PRESSURE IN HPA 1009.0 997.7 1008.0 999.0 997.6 993.3 991.0 990.4 998.8 1002.5 1009.9 1011.0 990.4 DAY 13 13 20 24 28 24 12 9 2 1 7 7 MEAN QNH PRESSURE IN HPA 1018.6 1015.8 1015.8 1010.9 1005.3 998.6 996.2 998.2 1005.6 1013.3 1018.1 1019.3 1009.7 MAX. QNH PRESSURE IN HPA 1026.6 1026.8 1024.4 1017.2 1009.8 1002.7 999.4 1003.3 1011.4 1017.8 1024.4 1029.7 1029.7 DAY 1 16 16 20 3 2 6 24 23 31 20 31 MIN. QNH PRESSURE IN HPA 1011.4 1000.1 1010.4 1001.4 1000.0 995.7 993.4 992.8 1001.2 1004.9 1012.3 1013.4 992.8 DAY 13 13 20 24 28 24 12 9 2 1 7 7 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 1015.4 1012.5 1012.2 1007.2 1001.6 995.5 992.9 994.6 1001.6 1009.5 1014.1 1015.4 1006.0 MAX. QFE PRESSURE IN HPA 1023.6 1023.0 1019.6 1013.0 1005.9 998.8 996.2 998.9 1007.0 1013.5 1020.2 1025.3 1025.3 DAY 1 16 16 19 4 2 6 24 23 31 21 31 MIN. QFE PRESSURE IN HPA 1008.1 997.9 1005.3 999.0 997.2 992.7 989.8 989.4 997.1 1002.0 1007.4 1008.2 989.4 DAY 13 13 14 24 28 24 12 9 1 1 7 19 MEAN QNH PRESSURE IN HPA 1017.8 1014.9 1014.7 1009.5 1004.0 997.8 995.3 997.0 1004.0 1011.9 1016.5 1017.8 1008.4 MAX. QNH PRESSURE IN HPA 1026.0 1025.4 1022.0 1015.4 1008.3 1001.2 998.6 1001.3 1009.4 1015.9 1022.6 1027.7 1027.7 DAY 1 16 16 19 4 2 6 24 23 31 21 31 MIN. QNH PRESSURE IN HPA 1010.5 1000.3 1007.7 1001.4 999.6 995.1 992.2 991.7 999.5 1004.4 1009.8 1010.6 991.7 DAY 13 13 14 24 28 24 12 9 1 1 7 19 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****