STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** ***** ***** 31.0 34.2 34.0 34.1 30.1 22.3 16.9 9.7 ***** MINIMUN AIR TEMPERATURE (C) ***** ***** ***** ***** 21.2 24.2 23.9 24.2 18.6 10.2 5.3 0.4 ***** DAYS WITH MINIMUM TEMP. >=21 **** **** **** **** 19 26 29 31 8 0 0 0 **** DAYS WITH MINIMUM TEMP. <=-4 **** **** **** **** 0 0 0 0 0 0 0 4 **** DAYS WITH FREEZING MIN.<= 0 **** **** **** **** 0 0 0 0 0 0 3 11 **** TEMPERATURE RECORDS LOWEST(C) ***** ***** ***** ***** 17.0 19.0 18.5 21.0 12.6 4.0 -1.0 -11.0 ***** DAY ** ** ** ** 1 2 14 15 27 17 15 30 MAXIMUM AIR TEMPERATURE (C) ***** ***** ***** ***** 36.0 38.6 38.5 38.8 35.1 27.4 22.6 15.1 ***** DAYS WITH MAXIMUM TEMP. >=30 **** **** **** **** 31 30 31 31 30 6 0 0 **** DAYS WITH MAXIMUM TEMP. <= 0 **** **** **** **** 0 0 0 0 0 0 0 0 **** TEMPERATURE RECORDS HIGHEST(C)***** ***** ***** ***** 39.5 43.0 42.6 42.0 39.6 34.0 28.0 23.0 ***** DAY ** ** ** ** 25 28 4 9 2 2 11 6 DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** ***** 14.8 14.4 14.6 14.6 16.5 17.2 17.3 14.7 ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** ***** 28.6 31.4 31.2 31.5 26.9 18.8 13.9 7.8 ***** COOLING DEG. DAYS(BASE 21 0C)****** ****** ****** ****** 235.4 311.9 317.2 325.4 176.5 12.1 0.0 0.0 ****** HEATING DEG. DAYS(BASE 18 0C)****** ****** ****** ****** 0.0 0.0 0.0 0.0 0.0 27.9 125.5 305.4 ****** 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 4.3 ****** DAYS WITH PRECIPITATION >=10 **** **** **** **** 0 0 0 0 0 0 0 0 **** DAYS WITH PRECIPITATION >= 5 **** **** **** **** 0 0 0 0 0 0 0 0 **** DAYS WITH PRECIPITATION >= 1 **** **** **** **** 0 0 0 0 0 0 0 2 **** DAYS WITH PRECIPITATION **** **** **** **** 1 0 0 0 0 0 0 3 **** GREATEST DAILY PRECIPITATION ****** ****** ****** ****** 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 DAY WITH THUNDER STORM **** **** **** **** 0 0 0 0 0 0 0 0 **** DAYS WITH SNOW OR SLEET **** **** **** **** 0 0 0 0 0 0 0 1 **** DAYS WITH DUST **** **** **** **** 7 14 10 8 7 3 0 1 **** WIND DIRECTION (PREVAILING) *** *** *** *** 360 90 90 45 45 360 270 360 *** PREVAILING WIND SPEED(KNOTS) **** **** **** **** 14.2 20.9 21.2 19.8 18.2 14.5 11.1 11.0 **** PREVAILING WIND PERCENT ***** ***** ***** ***** 24.5 25.3 26.5 62.6 50.0 24.5 13.3 19.4 ***** CALMS PERCENT OF WIND ***** ***** ***** ***** 12.9 10.0 4.5 14.8 17.3 33.5 25.3 24.5 ***** NO. OF WIND OBSERVATION **** **** **** **** 155 150 155 155 150 155 150 155 1225 VECTOR WIND DIRECTION (MEAN) *** *** *** *** 357 47 102 39 25 350 295 11 *** VECTOR WIND MAGNITUDE(KNOTS) **** **** **** **** 3.2 8.8 9.2 13.5 11.0 4.5 0.8 2.3 **** WIND STEADINESES (MEAN %) ***** ***** ***** ***** 26.4 60.3 49.5 87.1 82.1 54.2 11.4 28.0 ***** WIND SPEED (MEAN KNOTS) **** **** **** **** 12.1 14.6 18.6 15.5 13.4 8.3 7.0 8.2 **** FASTEST WIND DIRECTION *** *** *** *** 130 70 120 60 60 340 290 210 *** FASTEST WIND SPEED (KNOTS) *** *** *** *** 33 39 39 35 33 29 19 27 *** DAY ** ** ** ** 6 22 17 25 9 8 1 25 DAYS WITH SKY CLEAR (0-2)/8 **** **** **** **** 26 27 30 31 30 27 23 16 **** DAYS WITH P.CLOUDY (3-6)/8 **** **** **** **** 4 3 1 0 0 4 7 13 **** DAYS WITH CLOUDY (7-8)/8 **** **** **** **** 1 0 0 0 0 0 0 2 **** DAYS WITH VISIBILITY =< 2 KM **** **** **** **** 0 0 0 0 0 2 0 1 **** DURATION OF SUNSHINE HOURS ****** ****** ****** ****** 338.8 339.5 340.0 351.9 316.4 282.0 256.7 213.2 ****** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1990 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1990 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1990 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.1 8.9 14.0 22.1 27.0 32.9 34.4 32.7 28.6 21.2 15.6 10.4 21.3 MINIMUN AIR TEMPERATURE (C) 0.3 2.2 8.0 13.5 17.1 22.5 24.4 22.6 18.5 11.7 6.0 4.8 12.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 3 21 30 25 10 0 0 0 89 DAYS WITH MINIMUM TEMP. <=-4 6 3 0 0 0 0 0 0 0 0 0 0 9 DAYS WITH FREEZING MIN.<= 0 17 8 0 0 0 0 0 0 0 0 1 9 35 TEMPERATURE RECORDS LOWEST(C) -5.0 -6.0 1.0 7.8 11.0 17.0 19.8 15.6 9.0 7.0 -2.0 -2.0 -6.0 DAY 7 16 4 14 8 24 23 11 28 15 29 19 MAXIMUM AIR TEMPERATURE (C) 12.6 12.9 18.6 26.1 31.2 36.8 38.4 37.4 33.3 26.1 20.6 14.5 25.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 7 20 30 30 31 22 0 0 0 140 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 19.0 21.0 25.5 35.0 39.4 42.6 44.0 41.8 41.0 28.0 28.2 22.0 44.0 DAY 25 28 25 25 30 7 9 7 9 12 2 10 DIF. BETWEEN (MAX.-MIN.) (C) 12.3 10.7 10.6 12.6 14.1 14.3 14.0 14.8 14.8 14.4 14.6 9.7 13.1 MEAN DAILY TEMP. (MDT) (C) 6.5 7.5 13.3 19.8 24.1 29.6 31.4 30.0 25.9 18.9 13.3 9.6 19.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 30.4 103.5 259.3 313.9 270.5 165.7 1.5 0.0 0.0 1144.9 HEATING DEG. DAYS(BASE 18 0C) 357.7 292.6 147.9 25.1 0.0 0.0 0.0 0.0 7.3 6.4 148.0 259.9 1244.8 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. 22.1 39.2 67.7 7.4 10.4 0.0 0.0 0.0 0.0 0.0 0.0 47.3 194.1 DAYS WITH PRECIPITATION >=10 0 2 3 0 0 0 0 0 0 0 0 1 6 DAYS WITH PRECIPITATION >= 5 2 4 5 1 1 0 0 0 0 0 0 1 14 DAYS WITH PRECIPITATION >= 1 8 5 8 1 2 0 0 0 0 0 0 4 28 DAYS WITH PRECIPITATION 11 6 12 3 5 0 0 0 0 1 1 8 47 GREATEST DAILY PRECIPITATION 6.4 16.0 18.0 7.0 9.0 0.0 0.0 0.0 0.0 0.0 0.0 39.0 39.0 DAY 22 8 1 1 4 ** ** ** ** ** ** 16 DAY WITH THUNDER STORM 1 0 2 0 1 0 0 0 0 0 0 0 4 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 3 4 6 8 2 5 2 4 0 0 5 40 WIND DIRECTION (PREVAILING) 45 360 360 360 270 360 45 45 45 360 360 90 45 PREVAILING WIND SPEED(KNOTS) 10.5 15.4 15.6 13.4 13.6 13.4 18.0 17.0 17.4 12.4 14.9 10.6 15.7 PREVAILING WIND PERCENT 13.5 26.4 18.1 24.0 18.1 28.0 57.4 64.5 50.0 26.5 18.0 12.9 23.1 CALMS PERCENT OF WIND 36.1 18.6 21.9 15.3 16.1 7.3 8.4 6.5 10.7 29.7 36.0 27.7 19.6 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 337 334 292 340 322 16 34 43 30 1 318 174 14 VECTOR WIND MAGNITUDE(KNOTS) 1.7 2.3 1.1 4.9 4.3 5.6 11.8 11.5 9.8 4.7 2.5 1.2 4.2 WIND STEADINESES (MEAN %) 24.3 20.7 11.3 45.4 39.1 42.7 78.1 79.3 70.5 56.6 35.2 13.8 38.5 WIND SPEED (MEAN KNOTS) 7.0 11.1 9.7 10.8 11.0 13.1 15.1 14.5 13.9 8.3 7.1 8.7 10.9 FASTEST WIND DIRECTION 270 80 170 360 40 360 40 40 60 340 340 340 170 FASTEST WIND SPEED (KNOTS) 41 29 43 29 31 27 33 27 37 19 29 23 43 DAY 25 1 25 7 4 8 22 20 11 8 7 18 DAYS WITH SKY CLEAR (0-2)/8 12 10 5 10 16 28 31 31 30 26 23 10 232 DAYS WITH P.CLOUDY (3-6)/8 15 13 14 19 13 2 0 0 0 3 5 9 93 DAYS WITH CLOUDY (7-8)/8 4 5 12 1 2 0 0 0 0 2 2 12 40 DAYS WITH VISIBILITY =< 2 KM 0 1 1 1 2 0 0 0 1 0 0 0 6 DURATION OF SUNSHINE HOURS 206.9 201.6 180.7 273.7 303.7 355.1 372.5 360.2 314.6 279.6 244.9 134.9 3228.4 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1991 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1991 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1991 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 6.1 9.8 11.6 19.7 24.7 33.4 33.8 31.1 27.2 22.2 17.1 10.7 20.6 MINIMUN AIR TEMPERATURE (C) 0.3 1.5 3.5 11.9 15.4 23.5 24.2 21.6 16.2 11.0 6.7 3.5 11.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 1 27 29 21 0 0 0 0 79 DAYS WITH MINIMUM TEMP. <=-4 8 3 2 0 0 0 0 0 0 0 0 0 13 DAYS WITH FREEZING MIN.<= 0 15 13 5 0 0 0 0 0 0 0 1 3 37 TEMPERATURE RECORDS LOWEST(C) -5.6 -6.4 -5.8 5.0 9.6 18.6 20.0 17.0 13.0 5.0 0.0 -2.5 -6.4 DAY 29 17 13 6 4 2 30 19 13 20 28 11 MAXIMUM AIR TEMPERATURE (C) 10.4 15.0 15.9 24.0 28.7 37.2 38.2 35.6 31.9 27.4 22.7 15.4 25.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 4 16 30 31 29 24 8 0 0 142 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 16.5 25.0 23.6 31.2 34.5 41.0 42.0 40.0 36.6 30.5 27.0 21.0 42.0 DAY 2 25 30 14 23 26 6 6 26 6 12 4 DIF. BETWEEN (MAX.-MIN.) (C) 10.1 13.5 12.4 12.1 13.3 13.7 14.0 14.0 15.7 16.4 16.0 11.9 13.6 MEAN DAILY TEMP. (MDT) (C) 5.3 8.3 9.7 17.9 22.1 30.4 31.2 28.6 24.1 19.2 14.7 9.5 18.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 17.5 60.5 280.8 316.7 227.8 88.4 6.3 0.0 0.0 998.1 HEATING DEG. DAYS(BASE 18 0C) 393.5 271.0 256.5 60.5 4.0 0.0 0.0 0.0 0.0 11.5 97.0 264.8 1358.9 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. 23.7 0.8 20.6 17.7 3.3 0.9 0.0 0.0 0.0 0.0 0.0 28.5 95.5 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH PRECIPITATION >= 5 1 0 2 2 0 0 0 0 0 0 0 3 8 DAYS WITH PRECIPITATION >= 1 9 0 5 4 1 0 0 0 0 0 0 6 25 DAYS WITH PRECIPITATION 13 6 7 8 5 1 0 0 0 0 0 9 49 GREATEST DAILY PRECIPITATION 5.0 0.2 8.0 7.0 2.0 0.9 0.0 0.0 0.0 0.0 0.0 10.0 10.0 DAY 6 3 22 1 11 9 ** ** ** ** ** 22 DAY WITH THUNDER STORM 0 0 1 1 1 1 0 0 0 0 0 0 4 DAYS WITH SNOW OR SLEET 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH DUST 5 8 2 5 9 6 4 2 0 0 2 1 44 WIND DIRECTION (PREVAILING) 360 180 360 225 360 45 45 45 45 360 225 180 45 PREVAILING WIND SPEED(KNOTS) 14.9 13.8 15.8 13.5 14.6 15.9 19.6 16.7 16.8 12.5 12.2 13.1 16.3 PREVAILING WIND PERCENT 25.8 15.2 25.2 16.0 31.6 20.7 71.6 66.5 38.0 22.6 16.7 18.7 21.4 CALMS PERCENT OF WIND 11.6 22.1 11.0 18.0 12.9 16.7 4.5 9.0 12.7 23.9 21.3 29.0 16.0 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 160 244 300 266 339 355 45 38 15 335 249 176 12 VECTOR WIND MAGNITUDE(KNOTS) 0.7 3.2 2.7 2.9 6.6 4.3 15.6 12.8 8.3 3.4 0.6 2.2 3.4 WIND STEADINESES (MEAN %) 6.2 32.7 22.0 26.9 52.8 35.8 89.1 88.9 65.4 40.0 6.3 25.9 29.1 WIND SPEED (MEAN KNOTS) 11.3 9.8 12.3 10.8 12.5 12.0 17.5 14.4 12.7 8.5 9.6 8.5 11.7 FASTEST WIND DIRECTION 190 180 360 220 360 360 60 50 40 360 180 350 220 FASTEST WIND SPEED (KNOTS) 29 29 29 39 39 35 33 33 31 29 25 29 39 DAY 3 25 10 26 11 10 29 29 10 16 25 4 DAYS WITH SKY CLEAR (0-2)/8 8 19 15 12 17 24 31 27 30 29 21 16 249 DAYS WITH P.CLOUDY (3-6)/8 14 6 9 11 10 6 0 3 0 2 8 8 77 DAYS WITH CLOUDY (7-8)/8 9 4 7 7 4 0 0 1 0 0 1 7 40 DAYS WITH VISIBILITY =< 2 KM 1 1 1 0 0 1 0 0 0 0 0 0 4 DURATION OF SUNSHINE HOURS 162.1 212.4 221.5 197.3 277.2 313.1 378.4 335.5 313.2 304.3 235.5 176.2 3126.7 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1992 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1992 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1992 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 6.1 11.1 13.4 22.2 28.1 33.2 33.1 31.9 29.6 20.5 15.3 10.8 21.3 MINIMUN AIR TEMPERATURE (C) -1.0 4.1 5.7 12.6 18.0 22.5 24.4 22.5 19.7 9.6 6.0 0.1 12.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 9 23 30 26 11 0 0 0 99 DAYS WITH MINIMUM TEMP. <=-4 6 1 0 0 0 0 0 0 0 0 0 2 9 DAYS WITH FREEZING MIN.<= 0 21 6 1 0 0 0 0 0 0 0 4 14 46 TEMPERATURE RECORDS LOWEST(C) -6.4 -4.0 -2.0 7.4 11.0 18.0 20.0 19.0 13.5 2.5 -1.4 -5.0 -6.4 DAY 17 18 24 13 8 1 24 28 25 9 18 7 MAXIMUM AIR TEMPERATURE (C) 9.9 15.0 17.5 26.5 32.1 37.1 36.9 35.9 33.9 25.5 20.3 16.3 25.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 4 21 30 31 31 29 4 0 0 150 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 17.6 20.0 24.5 32.6 38.0 43.0 40.2 38.2 37.0 35.4 28.0 18.6 43.0 DAY 29 2 8 20 27 21 4 23 4 1 3 19 DIF. BETWEEN (MAX.-MIN.) (C) 10.9 10.9 11.8 13.9 14.1 14.6 12.5 13.4 14.2 15.9 14.3 16.2 13.6 MEAN DAILY TEMP. (MDT) (C) 4.5 9.6 11.6 19.5 25.1 29.8 30.6 29.2 26.8 17.5 13.2 8.2 18.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 17.1 134.3 264.0 298.7 253.1 173.8 17.7 0.0 0.0 1158.8 HEATING DEG. DAYS(BASE 18 0C) 419.3 236.0 198.7 16.8 0.0 0.0 0.0 0.0 0.0 53.0 155.2 303.1 1382.1 DEWPOINT (MEAN C) ***** -1.2 -1.3 1.8 3.0 1.9 3.1 0.2 -1.8 -8.1 -3.8 -7.4 ***** MIXING RATIO (G/KG) ****** 4.35 4.39 5.19 5.56 5.11 5.55 4.50 4.27 2.75 3.56 2.62 ****** VAPOUR PRESSURE (HPA) ****** 6.18 6.22 7.33 7.84 7.19 7.79 6.35 6.04 3.92 5.07 3.75 ****** SATURATION DEF. (HPA) ****** 7.62 9.93 20.56 31.74 45.47 43.84 42.08 36.64 21.77 13.60 9.95 ****** RELATIVE HUMIDITY (MEAN %) *** 48 42 30 22 15 16 14 16 16 31 31 *** RELATIVE HUMIDITY (MAX. %) *** 75 66 52 39 25 26 24 27 27 50 50 *** RELATIVE HUMIDITY (MIN. %) *** 32 25 19 15 11 11 10 10 9 19 19 *** RELATIVE HUMIDITY (MEAN% 03UTC) *** 74 62 51 38 25 26 24 27 27 50 48 *** RELATIVE HUMIDITY (MEAN% 09UTC) *** 38 33 21 17 12 12 11 12 12 21 21 *** RELATIVE HUMIDITY (MEAN% 15UTC) *** 43 40 26 20 12 14 12 15 15 31 30 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 30.8 32.3 19.7 21.9 2.3 0.2 0.0 0.0 0.0 0.0 15.0 0.0 122.2 DAYS WITH PRECIPITATION >=10 1 1 0 1 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 3 2 2 2 0 0 0 0 0 0 2 0 11 DAYS WITH PRECIPITATION >= 1 4 3 6 3 2 0 0 0 0 0 4 0 22 DAYS WITH PRECIPITATION 10 8 11 10 4 1 0 0 0 0 5 0 49 GREATEST DAILY PRECIPITATION 12.0 21.0 5.0 14.0 1.1 0.2 0.0 0.0 0.0 0.0 8.0 0.0 21.0 DAY 14 5 10 14 7 4 ** ** ** ** 5 ** DAY WITH THUNDER STORM 0 0 0 3 1 0 0 0 0 0 0 0 4 DAYS WITH SNOW OR SLEET 2 0 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH DUST 1 3 2 0 0 1 1 1 1 0 3 0 13 WIND DIRECTION (PREVAILING) 360 360 360 360 360 45 45 45 45 360 360 360 45 PREVAILING WIND SPEED(KNOTS) 12.0 13.9 14.0 12.4 15.0 17.8 20.8 20.7 20.9 15.5 14.5 12.3 18.8 PREVAILING WIND PERCENT 25.8 21.4 25.2 20.0 27.7 35.3 67.7 70.3 52.0 31.0 28.0 14.2 23.9 CALMS PERCENT OF WIND 25.2 23.6 19.4 14.0 14.2 10.0 5.2 5.2 6.7 14.8 34.0 47.7 18.3 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 334 206 325 275 337 12 38 34 36 348 330 322 16 VECTOR WIND MAGNITUDE(KNOTS) 0.9 1.5 2.1 2.8 6.6 7.8 17.0 16.9 12.3 6.7 2.1 1.1 5.3 WIND STEADINESES (MEAN %) 10.6 14.7 19.8 25.9 54.5 56.5 91.4 90.9 74.1 58.8 24.7 25.6 44.2 WIND SPEED (MEAN KNOTS) 8.5 10.2 10.6 10.8 12.1 13.8 18.6 18.6 16.6 11.4 8.5 4.3 12.0 FASTEST WIND DIRECTION 240 150 360 210 280 40 40 10 40 360 360 340 40 FASTEST WIND SPEED (KNOTS) 23 33 29 39 39 35 43 39 39 29 43 23 43 DAY 9 3 22 26 7 23 17 9 6 6 14 6 DAYS WITH SKY CLEAR (0-2)/8 13 12 11 9 19 30 31 30 30 27 14 19 245 DAYS WITH P.CLOUDY (3-6)/8 10 9 14 16 11 0 0 1 0 4 15 8 88 DAYS WITH CLOUDY (7-8)/8 8 7 6 5 1 0 0 0 0 0 1 4 32 DAYS WITH VISIBILITY =< 2 KM 2 0 0 0 1 0 0 0 0 0 1 0 4 DURATION OF SUNSHINE HOURS 173.9 177.0 209.7 233.8 305.8 350.4 372.8 358.6 322.8 305.0 228.3 236.2 3274.3 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** 891.1 889.8 887.7 886.7 883.2 882.3 884.7 886.7 893.8 892.4 894.0 ****** MAX. QFE PRESSURE IN HPA ****** 898.3 896.1 895.7 892.7 890.7 887.8 888.5 891.4 899.8 898.1 900.3 ****** DAY-HOUR **-** 8- 6 31- 6 1- 6 10- 6 23- 6 28- 6 25- 6 23- 6 17- 6 24- 6 26- 6 MIN. QFE PRESSURE IN HPA ****** 882.6 879.8 880.1 877.8 878.4 877.1 879.6 881.2 885.3 883.2 887.0 ****** DAY-HOUR **-** 23-15 22-12 12-15 29-15 3-15 14-15 12-15 3-12 3-12 14-12 4-12 MEAN QNH PRESSURE IN HPA ****** 1018.6 1017.1 1014.8 1013.7 1009.8 1008.8 1011.5 1013.7 1021.7 1020.1 1021.9 ****** MAX. QNH PRESSURE IN HPA ****** 1026.7 1024.2 1023.8 1020.4 1018.2 1015.0 1015.7 1019.0 1028.3 1026.4 1028.9 ****** DAY-HOUR **-** 8- 6 31- 6 1- 6 10- 6 23- 6 28- 6 25- 6 23- 6 17- 6 24- 6 26- 6 MIN. QNH PRESSURE IN HPA ****** 1009.2 1006.0 1006.4 1003.8 1004.5 1003.0 1005.8 1007.6 1012.2 1009.8 1014.1 ****** DAY-HOUR **-** 23-15 22-12 12-15 29-15 3-15 14-15 12-15 3-12 3-12 14-12 4-12 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 ****** 891.4 890.1 888.3 887.2 884.1 883.3 885.4 887.3 894.5 893.0 894.3 ****** MAX. QFE PRESSURE IN HPA ****** 897.7 895.8 895.4 892.3 890.1 887.4 888.0 891.1 899.1 896.9 899.4 ****** DAY ** 8 18 1 10 23 28 7 24 17 21 27 MIN. QFE PRESSURE IN HPA ****** 885.2 880.6 882.6 882.6 880.8 879.8 881.6 884.3 887.0 885.3 887.9 ****** DAY ** 15 22 12 29 13 14 12 4 3 14 5 MEAN QNH PRESSURE IN HPA ****** 1019.0 1017.5 1015.5 1014.3 1010.8 1009.9 1012.2 1014.4 1022.4 1020.7 1022.2 ****** MAX. QNH PRESSURE IN HPA ****** 1026.0 1023.9 1023.4 1020.0 1017.5 1014.5 1015.2 1018.6 1027.5 1025.1 1027.9 ****** DAY ** 8 18 1 10 23 28 7 24 17 21 27 MIN. QNH PRESSURE IN HPA ****** 1012.1 1006.9 1009.2 1009.2 1007.1 1006.0 1008.0 1011.0 1014.1 1012.2 1015.1 ****** DAY ** 15 22 12 29 13 14 12 4 3 14 5 MEAN QFF PRESSURE IN HPA ****** 1018.7 1016.0 1010.2 1006.2 1000.6 999.4 1002.5 1006.0 1018.7 1019.2 1023.2 ****** MAX. QFF PRESSURE IN HPA ****** 1028.0 1023.7 1020.7 1014.9 1008.3 1004.4 1006.7 1011.5 1026.4 1026.3 1031.3 ****** DAY ** 8 14 1 10 23 28 26 24 9 23 7 MIN. QFF PRESSURE IN HPA ****** 1009.2 1004.5 1002.3 998.3 995.7 994.5 997.8 1001.4 1006.7 1008.2 1015.0 ****** DAY ** 15 22 12 29 21 14 12 1 3 14 5 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** 892.3 891.0 888.9 887.8 884.4 883.4 885.9 887.9 895.3 893.7 895.4 ****** MAX. QFE PRESSURE IN HPA ****** 898.3 896.1 895.7 892.7 890.7 887.8 888.5 891.4 899.8 898.1 900.3 ****** DAY ** 8 31 1 10 23 28 25 23 17 24 26 MIN. QFE PRESSURE IN HPA ****** 886.1 882.5 882.5 882.4 880.8 879.5 882.2 884.6 888.0 885.5 889.0 ****** DAY ** 15 22 13 29 13 14 12 3 3 14 5 MEAN QNH PRESSURE IN HPA ****** 1019.9 1018.5 1016.2 1014.9 1011.2 1010.1 1012.8 1015.0 1023.3 1021.5 1023.4 ****** MAX. QNH PRESSURE IN HPA ****** 1026.7 1024.2 1023.8 1020.4 1018.2 1015.0 1015.7 1019.0 1028.3 1026.4 1028.9 ****** DAY ** 8 31 1 10 23 28 25 23 17 24 26 MIN. QNH PRESSURE IN HPA ****** 1013.1 1009.0 1009.0 1008.9 1007.1 1005.7 1008.7 1011.4 1015.2 1012.4 1016.3 ****** DAY ** 15 22 13 29 13 14 12 3 3 14 5 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 ****** 891.4 890.0 887.9 886.9 883.5 882.5 884.9 886.9 893.8 892.1 893.9 ****** MAX. QFE PRESSURE IN HPA ****** 897.5 895.2 893.9 892.5 890.3 887.0 887.5 890.5 898.3 896.9 899.2 ****** DAY ** 8 17 1 10 23 28 18 23 16 30 26 MIN. QFE PRESSURE IN HPA ****** 885.4 881.1 881.8 880.4 879.8 878.7 881.5 883.2 886.6 884.0 887.6 ****** DAY ** 15 22 12 29 13 14 12 3 3 14 5 MEAN QNH PRESSURE IN HPA ****** 1018.9 1017.4 1015.1 1014.0 1010.1 1009.1 1011.7 1014.0 1021.6 1019.8 1021.7 ****** MAX. QNH PRESSURE IN HPA ****** 1025.8 1023.2 1021.8 1020.2 1017.7 1014.1 1014.6 1018.0 1026.7 1025.1 1027.7 ****** DAY ** 8 17 1 10 23 28 18 23 16 30 26 MIN. QNH PRESSURE IN HPA ****** 1012.3 1007.5 1008.3 1006.7 1006.0 1004.8 1007.9 1009.8 1013.6 1010.7 1014.7 ****** DAY ** 15 22 12 29 13 14 12 3 3 14 5 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 ****** 890.1 888.7 886.6 885.7 882.1 881.2 883.7 885.6 892.6 891.3 893.0 ****** MAX. QFE PRESSURE IN HPA ****** 896.1 894.0 892.5 890.8 888.6 885.3 886.3 889.8 897.5 896.3 897.6 ****** DAY ** 8 17 16 10 23 27 18 23 16 30 26 MIN. QFE PRESSURE IN HPA ****** 883.4 879.8 880.6 878.4 878.9 877.6 880.1 881.2 885.3 883.2 887.0 ****** DAY ** 23 22 12 29 13 14 12 3 3 14 4 MEAN QNH PRESSURE IN HPA ****** 1017.5 1016.0 1013.6 1012.7 1008.6 1007.6 1010.4 1012.5 1020.3 1018.9 1020.8 ****** MAX. QNH PRESSURE IN HPA ****** 1024.2 1021.9 1020.2 1018.3 1015.8 1012.2 1013.3 1017.2 1025.8 1024.4 1025.9 ****** DAY ** 8 17 16 10 23 27 18 23 16 30 26 MIN. QNH PRESSURE IN HPA ****** 1010.0 1006.0 1006.9 1004.5 1005.0 1003.6 1006.4 1007.6 1012.2 1009.8 1014.1 ****** DAY ** 23 22 12 29 13 14 12 3 3 14 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** 890.4 889.1 886.6 885.7 882.0 880.9 883.6 885.6 893.1 892.2 893.7 ****** MAX. QFE PRESSURE IN HPA ****** 895.9 895.2 892.1 890.3 888.1 884.7 886.0 890.0 897.8 896.4 897.9 ****** DAY ** 8 17 16 9 23 27 25 23 16 30 7 MIN. QFE PRESSURE IN HPA ****** 882.6 880.5 880.1 877.8 878.4 877.1 879.6 881.5 885.9 886.1 887.5 ****** DAY ** 23 21 12 29 3 14 12 3 3 10 4 MEAN QNH PRESSURE IN HPA ****** 1017.8 1016.4 1013.6 1012.6 1008.4 1007.3 1010.3 1012.5 1020.9 1019.8 1021.5 ****** MAX. QNH PRESSURE IN HPA ****** 1024.0 1023.2 1019.7 1017.7 1015.3 1011.5 1012.9 1017.4 1026.1 1024.5 1026.2 ****** DAY ** 8 17 16 9 23 27 25 23 16 30 7 MIN. QNH PRESSURE IN HPA ****** 1009.2 1006.8 1006.4 1003.8 1004.5 1003.0 1005.8 1007.9 1012.8 1013.1 1014.6 ****** DAY ** 23 21 12 29 3 14 12 3 3 10 4 MEAN QFF PRESSURE IN HPA ****** 1017.4 1014.9 1008.3 1004.6 998.2 996.8 1000.6 1004.2 1017.3 1018.4 1022.3 ****** MAX. QFF PRESSURE IN HPA ****** 1025.7 1023.9 1016.6 1012.7 1007.4 1001.5 1004.7 1010.4 1023.6 1027.1 1029.5 ****** DAY ** 8 14 1 9 23 27 25 23 8 30 7 MIN. QFF PRESSURE IN HPA ****** 1007.8 1003.5 1000.2 994.3 993.6 991.7 995.3 998.5 1005.7 1009.9 1014.8 ****** DAY ** 23 21 12 29 21 14 12 3 3 10 4 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.5 10.2 17.3 22.1 28.6 34.4 34.7 34.2 25.8 21.2 18.7 8.9 22.1 MINIMUN AIR TEMPERATURE (C) 1.4 1.5 8.1 12.3 19.5 24.0 26.0 25.3 16.4 11.1 9.2 0.9 13.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 12 28 31 31 4 0 0 0 108 DAYS WITH MINIMUM TEMP. <=-4 2 2 0 0 0 0 0 0 0 0 0 8 12 DAYS WITH FREEZING MIN.<= 0 10 10 0 0 0 0 0 0 0 0 0 16 36 TEMPERATURE RECORDS LOWEST(C) -5.0 -7.0 0.6 2.4 15.0 20.5 22.0 22.0 11.8 5.0 3.0 -7.0 -7.0 DAY 12 21 3 5 10 3 2 10 27 13 12 8 MAXIMUM AIR TEMPERATURE (C) 14.1 15.5 22.1 26.7 32.6 38.6 38.9 38.3 30.1 25.2 23.4 13.7 26.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 8 25 30 31 31 16 2 0 0 143 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.8 20.6 28.0 36.5 36.0 44.6 42.2 42.0 37.0 32.0 27.8 22.6 44.6 DAY 5 1 31 26 15 22 18 4 1 2 7 20 DIF. BETWEEN (MAX.-MIN.) (C) 12.7 14.0 14.0 14.4 13.1 14.6 12.9 13.0 13.7 14.1 14.2 12.8 13.6 MEAN DAILY TEMP. (MDT) (C) 7.7 8.5 15.1 19.5 26.1 31.3 32.5 31.8 23.2 18.2 16.3 7.3 19.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 42.6 157.1 309.2 355.6 334.9 73.0 6.4 0.0 0.0 1278.9 HEATING DEG. DAYS(BASE 18 0C) 318.0 266.4 93.3 35.8 0.0 0.0 0.0 0.0 0.0 35.1 62.6 332.7 1143.9 DEWPOINT (MEAN C) -5.6 -8.8 -3.0 -2.0 2.0 1.5 4.4 7.1 -3.8 1.6 0.9 -5.9 -1.0 MIXING RATIO (G/KG) 3.16 2.34 3.71 4.07 5.24 4.99 6.15 7.49 3.66 5.19 4.82 3.07 4.49 VAPOUR PRESSURE (HPA) 4.49 3.33 5.26 5.76 7.40 7.00 8.60 10.47 5.18 7.37 6.85 4.37 6.34 SATURATION DEF. (HPA) 8.00 9.98 15.53 22.92 32.66 49.25 48.07 44.74 29.26 18.79 15.61 8.01 25.24 RELATIVE HUMIDITY (MEAN %) 41 29 29 23 20 13 16 20 16 29 33 38 26 RELATIVE HUMIDITY (MAX. %) 63 49 51 39 33 22 22 29 24 43 50 56 40 RELATIVE HUMIDITY (MIN. %) 26 17 18 15 13 9 12 14 10 22 23 23 17 RELATIVE HUMIDITY (MEAN% 03UTC) 63 48 51 38 32 22 22 28 22 42 47 53 39 RELATIVE HUMIDITY (MEAN% 09UTC) 32 21 23 17 15 11 14 18 13 25 25 28 20 RELATIVE HUMIDITY (MEAN% 15UTC) 36 26 23 20 19 11 15 17 15 28 35 40 24 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 5.6 2.2 2.3 14.0 1.0 0.0 0.0 0.0 0.0 2.0 3.0 15.0 45.1 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH PRECIPITATION >= 5 0 0 0 1 0 0 0 0 0 0 0 1 2 DAYS WITH PRECIPITATION >= 1 2 1 2 3 1 0 0 0 0 1 1 2 13 DAYS WITH PRECIPITATION 5 3 4 4 1 0 0 0 0 1 1 3 22 GREATEST DAILY PRECIPITATION 4.0 2.0 1.0 8.0 1.0 0.0 0.0 0.0 0.0 2.0 3.0 12.0 12.0 DAY 24 25 13 3 2 ** ** ** ** 17 18 5 DAY WITH THUNDER STORM 0 0 0 1 0 0 0 0 0 0 0 1 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 4 3 2 5 3 2 1 0 0 1 1 23 WIND DIRECTION (PREVAILING) 360 360 180 360 360 45 45 45 45 360 225 360 45 PREVAILING WIND SPEED(KNOTS) 15.3 14.8 14.0 13.1 15.3 16.7 20.2 18.9 21.6 12.2 12.0 13.2 17.7 PREVAILING WIND PERCENT 19.4 16.4 20.0 26.2 21.3 25.3 77.4 71.6 50.7 26.5 19.3 22.6 24.5 CALMS PERCENT OF WIND 27.1 11.4 14.2 14.8 12.3 16.0 6.5 11.0 10.0 29.7 32.0 39.4 18.8 NO. OF WIND OBSERVATION 155 140 155 149 155 150 155 155 150 155 150 155 1824 VECTOR WIND DIRECTION (MEAN) 322 308 218 341 334 14 44 41 23 342 201 329 18 VECTOR WIND MAGNITUDE(KNOTS) 1.2 2.9 3.5 3.6 3.4 7.0 16.3 13.9 14.5 4.7 3.3 1.3 4.5 WIND STEADINESES (MEAN %) 14.1 25.2 33.0 40.0 29.3 60.3 93.7 89.1 83.8 61.0 44.0 17.8 39.8 WIND SPEED (MEAN KNOTS) 8.5 11.5 10.6 9.0 11.6 11.6 17.4 15.6 17.3 7.7 7.5 7.3 11.3 FASTEST WIND DIRECTION 30 190 190 360 250 280 50 60 30 350 270 180 50 FASTEST WIND SPEED (KNOTS) 29 29 29 23 31 25 41 31 31 35 29 29 41 DAY 10 1 12 4 1 5 13 6 6 25 26 4 DAYS WITH SKY CLEAR (0-2)/8 13 16 13 18 13 29 31 30 25 19 13 22 242 DAYS WITH P.CLOUDY (3-6)/8 13 11 13 7 15 1 0 1 5 12 14 7 99 DAYS WITH CLOUDY (7-8)/8 5 1 5 5 3 0 0 0 0 0 3 2 24 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 1 1 2 DURATION OF SUNSHINE HOURS 198.3 224.6 233.8 261.0 284.6 356.8 385.5 367.8 297.8 276.4 235.9 253.6 3376.1 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 891.7 888.2 889.1 888.6 886.7 880.7 879.1 881.3 889.4 892.8 891.9 893.3 887.7 MAX. QFE PRESSURE IN HPA 900.4 895.4 895.8 899.5 891.6 886.9 883.8 886.5 897.2 899.4 898.1 901.9 901.9 DAY-HOUR 28- 6 4- 6 18- 6 5- 6 8- 6 9- 6 14- 3 16- 6 23- 6 10- 6 2- 6 8- 6 MIN. QFE PRESSURE IN HPA 883.1 878.4 879.2 879.8 880.1 873.7 873.9 875.2 880.2 885.7 882.4 880.7 873.7 DAY-HOUR 16-15 12-12 12-12 2-15 1-15 29-12 20-15 1-12 1-12 2-12 26- 3 4- 3 MEAN QNH PRESSURE IN HPA 1019.3 1015.4 1016.3 1015.8 1013.7 1007.0 1005.2 1007.8 1016.7 1020.5 1019.5 1021.0 1014.9 MAX. QNH PRESSURE IN HPA 1029.0 1023.4 1023.9 1028.0 1019.2 1013.9 1010.5 1013.5 1025.4 1027.9 1026.4 1030.7 1030.7 DAY-HOUR 28- 6 4- 6 18- 6 5- 6 8- 6 9- 6 14- 3 16- 6 23- 6 10- 6 2- 6 8- 6 MIN. QNH PRESSURE IN HPA 1009.7 1004.5 1005.4 1006.0 1006.4 999.2 999.5 1000.9 1006.5 1012.6 1008.9 1007.0 999.2 DAY-HOUR 16-15 12-12 12-12 2-15 1-15 29-12 20-15 1-12 1-12 2-12 26- 3 4- 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 891.9 888.6 889.5 889.2 887.3 881.8 880.0 882.3 890.0 893.4 892.4 893.3 888.3 MAX. QFE PRESSURE IN HPA 899.0 893.0 894.7 897.6 890.8 886.3 883.8 886.4 896.2 898.3 896.8 900.8 900.8 DAY 28 21 18 5 8 9 14 16 23 10 2 8 MIN. QFE PRESSURE IN HPA 884.2 880.9 882.0 883.2 883.4 876.5 876.0 877.4 881.6 888.7 882.4 880.7 876.0 DAY 17 12 15 3 2 29 21 3 1 2 26 4 MEAN QNH PRESSURE IN HPA 1019.6 1015.8 1016.8 1016.5 1014.4 1008.3 1006.2 1008.9 1017.4 1021.2 1020.1 1021.1 1015.5 MAX. QNH PRESSURE IN HPA 1027.4 1020.7 1022.6 1025.9 1018.3 1013.3 1010.5 1013.4 1024.3 1026.7 1025.0 1029.4 1029.4 DAY 28 21 18 5 8 9 14 16 23 10 2 8 MIN. QNH PRESSURE IN HPA 1010.9 1007.3 1008.5 1009.8 1010.0 1002.4 1001.8 1003.4 1008.0 1016.0 1008.9 1007.0 1001.8 DAY 17 12 15 3 2 29 21 3 1 2 26 4 MEAN QFF PRESSURE IN HPA 1020.3 1016.4 1014.0 1011.3 1006.1 997.7 995.4 998.1 1010.7 1016.6 1017.0 1022.4 1010.5 MAX. QFF PRESSURE IN HPA 1030.2 1024.9 1022.2 1025.3 1012.1 1003.9 1001.1 1003.0 1018.9 1024.5 1021.9 1035.9 1035.9 DAY 28 21 3 5 8 1 14 16 23 10 21 8 MIN. QFF PRESSURE IN HPA 1010.0 1006.7 1004.9 1002.4 1002.6 990.1 990.5 990.7 997.7 1008.6 1004.2 1002.1 990.1 DAY 17 12 15 27 11 30 8 3 1 3 26 4 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 893.2 889.7 890.2 890.1 887.9 882.0 880.2 882.7 890.7 894.3 893.3 894.6 889.1 MAX. QFE PRESSURE IN HPA 900.4 895.4 895.8 899.5 891.6 886.9 883.4 886.5 897.2 899.4 898.1 901.9 901.9 DAY 28 4 18 5 8 9 14 16 23 10 2 8 MIN. QFE PRESSURE IN HPA 885.9 881.5 883.5 884.1 883.1 876.2 876.0 877.4 882.7 889.5 882.8 881.0 876.0 DAY 17 12 15 3 1 29 21 1 1 2 26 4 MEAN QNH PRESSURE IN HPA 1020.9 1017.0 1017.7 1017.5 1015.0 1008.5 1006.5 1009.3 1018.2 1022.2 1021.1 1022.5 1016.4 MAX. QNH PRESSURE IN HPA 1029.0 1023.4 1023.9 1028.0 1019.2 1013.9 1010.0 1013.5 1025.4 1027.9 1026.4 1030.7 1030.7 DAY 28 4 18 5 8 9 14 16 23 10 2 8 MIN. QNH PRESSURE IN HPA 1012.8 1007.9 1010.2 1010.8 1009.7 1002.0 1001.8 1003.4 1009.3 1016.8 1009.4 1007.4 1001.8 DAY 17 12 15 3 1 29 21 1 1 2 26 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 891.7 888.5 889.4 889.0 886.9 880.9 879.3 881.4 889.4 892.7 891.7 893.3 887.8 MAX. QFE PRESSURE IN HPA 899.2 894.6 894.9 898.9 890.5 885.9 882.4 885.0 895.7 897.7 896.7 900.0 900.0 DAY 28 4 18 5 21 9 3 16 23 10 2 8 MIN. QFE PRESSURE IN HPA 885.5 879.2 883.1 883.3 881.9 874.8 875.6 876.6 881.5 887.5 883.1 881.4 874.8 DAY 25 12 12 3 1 29 21 1 1 2 26 4 MEAN QNH PRESSURE IN HPA 1019.3 1015.7 1016.7 1016.2 1013.9 1007.3 1005.5 1007.8 1016.8 1020.4 1019.3 1021.0 1015.0 MAX. QNH PRESSURE IN HPA 1027.7 1022.5 1022.9 1027.3 1018.0 1012.8 1008.9 1011.8 1023.8 1026.0 1024.9 1028.5 1028.5 DAY 28 4 18 5 21 9 3 16 23 10 2 8 MIN. QNH PRESSURE IN HPA 1012.4 1005.4 1009.7 1009.9 1008.4 1000.5 1001.3 1002.5 1007.9 1014.6 1009.7 1007.8 1000.5 DAY 25 12 12 3 1 29 21 1 1 2 26 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 890.8 887.2 888.1 887.4 885.6 879.4 878.1 880.1 888.3 891.6 890.8 892.4 886.6 MAX. QFE PRESSURE IN HPA 898.0 892.7 893.2 897.8 889.2 884.5 880.9 883.2 894.8 896.4 895.5 898.3 898.3 DAY 28 4 18 5 21 9 13 15 23 10 2 8 MIN. QFE PRESSURE IN HPA 884.0 878.4 879.2 882.2 880.6 873.7 874.3 875.2 880.2 885.7 884.8 883.2 873.7 DAY 16 12 12 3 1 29 20 1 1 2 26 4 MEAN QNH PRESSURE IN HPA 1018.2 1014.2 1015.3 1014.5 1012.5 1005.6 1004.1 1006.3 1015.5 1019.2 1018.3 1020.0 1013.7 MAX. QNH PRESSURE IN HPA 1026.3 1020.4 1021.0 1026.1 1016.5 1011.3 1007.3 1009.8 1022.8 1024.5 1023.5 1026.7 1026.7 DAY 28 4 18 5 21 9 13 15 23 10 2 8 MIN. QNH PRESSURE IN HPA 1010.7 1004.5 1005.4 1008.7 1006.9 999.2 999.9 1000.9 1006.5 1012.6 1011.6 1009.8 999.2 DAY 16 12 12 3 1 29 20 1 1 2 26 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 891.2 887.3 888.2 887.1 885.7 879.5 877.9 880.3 888.5 892.0 891.4 892.8 886.8 MAX. QFE PRESSURE IN HPA 898.3 893.6 893.9 898.1 889.8 884.4 880.8 883.5 895.5 896.4 895.8 898.8 898.8 DAY 19 7 18 5 8 9 13 15 22 9 2 7 MIN. QFE PRESSURE IN HPA 883.1 880.6 879.3 879.8 880.1 874.2 873.9 875.4 880.4 886.1 886.3 881.2 873.9 DAY 16 12 12 2 1 28 20 1 1 2 25 4 MEAN QNH PRESSURE IN HPA 1018.8 1014.4 1015.4 1014.2 1012.6 1005.7 1003.9 1006.5 1015.7 1019.6 1019.0 1020.6 1013.9 MAX. QNH PRESSURE IN HPA 1026.7 1021.4 1021.8 1026.4 1017.2 1011.2 1007.1 1010.2 1023.5 1024.5 1023.9 1027.2 1027.2 DAY 19 7 18 5 8 9 13 15 22 9 2 7 MIN. QNH PRESSURE IN HPA 1009.7 1006.9 1005.5 1006.0 1006.4 999.8 999.5 1001.1 1006.7 1013.1 1013.3 1007.6 999.5 DAY 16 12 12 2 1 28 20 1 1 2 25 4 MEAN QFF PRESSURE IN HPA 1019.5 1014.9 1012.7 1008.9 1004.3 995.3 993.0 995.8 1009.0 1014.9 1015.8 1021.9 1008.8 MAX. QFF PRESSURE IN HPA 1029.4 1023.8 1021.4 1026.9 1010.4 1002.3 997.8 999.8 1018.8 1021.7 1020.3 1032.3 1032.3 DAY 19 4 3 5 8 9 13 16 22 9 21 8 MIN. QFF PRESSURE IN HPA 1008.3 1005.6 999.5 999.7 999.3 988.2 987.8 989.4 997.3 1006.0 1009.2 1003.3 987.8 DAY 5 1 12 26 1 28 8 1 1 2 25 4 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.8 10.8 13.8 21.1 27.1 33.1 37.1 34.2 28.7 22.3 16.7 7.9 21.9 MINIMUN AIR TEMPERATURE (C) 0.3 3.0 4.7 12.3 19.4 23.4 27.4 24.6 17.3 12.0 6.4 1.6 12.7 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 6 25 31 31 2 0 0 0 95 DAYS WITH MINIMUM TEMP. <=-4 2 0 0 0 0 0 0 0 0 0 1 0 3 DAYS WITH FREEZING MIN.<= 0 13 9 9 0 0 0 0 0 0 0 4 11 46 TEMPERATURE RECORDS LOWEST(C) -5.2 -3.0 -2.8 7.0 14.5 19.0 22.0 21.0 12.0 3.5 -4.0 -3.0 -5.2 DAY 10 26 7 8 1 2 26 22 24 30 29 1 MAXIMUM AIR TEMPERATURE (C) 14.9 15.3 18.4 25.3 30.7 36.8 40.9 38.5 34.3 27.8 22.6 11.9 26.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 1 17 30 31 31 28 13 0 0 151 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 19.8 21.4 24.8 30.8 37.0 42.5 44.0 41.0 37.5 35.0 28.5 17.0 44.0 DAY 31 5 25 4 7 16 15 12 11 6 2 3 DIF. BETWEEN (MAX.-MIN.) (C) 14.6 12.3 13.7 13.0 11.3 13.4 13.5 13.9 17.0 15.8 16.2 10.3 13.7 MEAN DAILY TEMP. (MDT) (C) 7.6 9.2 11.5 18.8 25.1 30.1 34.1 31.5 25.8 19.9 14.5 6.8 19.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 7.9 126.1 273.5 406.7 327.0 144.7 49.3 0.0 0.0 1335.2 HEATING DEG. DAYS(BASE 18 0C) 321.5 247.6 200.6 25.0 0.0 0.0 0.0 0.0 0.0 36.3 115.4 347.9 1294.2 DEWPOINT (MEAN C) -4.0 -4.0 -4.4 0.6 -4.1 3.0 9.1 1.1 -4.8 -4.6 -9.7 -1.6 -1.9 MIXING RATIO (G/KG) 3.34 3.58 3.79 5.12 3.62 5.74 9.59 5.09 3.26 3.30 2.28 4.07 4.40 VAPOUR PRESSURE (HPA) 4.76 5.08 5.37 7.22 5.12 8.06 13.28 7.16 4.63 4.70 3.25 5.80 6.20 SATURATION DEF. (HPA) 8.00 8.53 11.28 18.93 31.66 43.98 51.27 47.83 36.49 24.32 17.54 5.25 25.42 RELATIVE HUMIDITY (MEAN %) 41 41 36 32 15 16 21 14 13 19 18 57 27 RELATIVE HUMIDITY (MAX. %) 61 65 62 53 28 25 29 22 23 34 33 79 43 RELATIVE HUMIDITY (MIN. %) 27 25 22 20 8 12 15 9 7 11 10 41 17 RELATIVE HUMIDITY (MEAN% 03UTC) 58 62 61 51 26 24 28 22 23 33 30 75 41 RELATIVE HUMIDITY (MEAN% 09UTC) 31 29 27 26 14 14 17 12 11 13 12 47 21 RELATIVE HUMIDITY (MEAN% 15UTC) 44 39 31 30 11 14 20 10 7 17 19 59 25 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 9.8 29.0 42.4 78.5 0.0 0.0 0.0 0.0 0.0 0.2 0.0 22.2 182.1 DAYS WITH PRECIPITATION >=10 0 2 2 3 0 0 0 0 0 0 0 0 7 DAYS WITH PRECIPITATION >= 5 1 2 2 4 0 0 0 0 0 0 0 2 11 DAYS WITH PRECIPITATION >= 1 1 5 5 8 0 0 0 0 0 0 0 5 24 DAYS WITH PRECIPITATION 5 6 6 10 0 0 0 0 0 1 0 10 38 GREATEST DAILY PRECIPITATION 8.4 12.0 18.0 35.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0 7.0 35.0 DAY 13 7 19 25 ** ** ** ** ** 23 ** 5 DAY WITH THUNDER STORM 1 0 1 3 0 0 0 0 0 0 0 0 5 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 0 2 3 0 2 2 2 1 0 1 0 14 WIND DIRECTION (PREVAILING) 180 360 360 225 360 360 45 45 45 360 315 360 45 PREVAILING WIND SPEED(KNOTS) 8.4 11.6 12.6 12.4 15.0 13.7 18.9 17.3 13.2 12.9 10.3 8.6 15.4 PREVAILING WIND PERCENT 10.3 15.0 17.4 15.3 25.2 20.7 58.7 68.4 27.3 25.2 12.7 12.3 21.0 CALMS PERCENT OF WIND 41.3 40.0 38.1 19.3 16.1 26.0 14.8 6.5 19.3 14.8 40.7 45.8 26.8 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 271 345 313 271 6 360 44 41 13 343 307 32 17 VECTOR WIND MAGNITUDE(KNOTS) 0.7 1.2 1.8 1.7 6.9 4.2 12.0 13.1 3.8 4.2 1.7 0.3 3.6 WIND STEADINESES (MEAN %) 13.5 20.0 27.3 18.9 58.5 40.0 83.9 86.2 40.0 42.4 27.9 6.7 40.0 WIND SPEED (MEAN KNOTS) 5.2 6.0 6.6 9.0 11.8 10.5 14.3 15.2 9.5 9.9 6.1 4.5 9.0 FASTEST WIND DIRECTION 360 240 340 210 60 250 40 40 300 350 340 150 40 FASTEST WIND SPEED (KNOTS) 19 19 29 39 39 39 58 29 27 35 27 17 58 DAY 1 24 27 29 12 14 18 2 22 12 26 4 DAYS WITH SKY CLEAR (0-2)/8 22 15 17 11 21 23 28 31 30 29 23 12 262 DAYS WITH P.CLOUDY (3-6)/8 4 10 9 12 9 7 3 0 0 1 7 12 74 DAYS WITH CLOUDY (7-8)/8 5 3 5 7 1 0 0 0 0 1 0 7 29 DAYS WITH VISIBILITY =< 2 KM 1 0 0 0 0 1 0 0 0 0 0 0 2 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** 308.1 264.0 ****** ****** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 892.9 890.4 889.6 887.6 887.6 882.9 878.7 882.4 886.6 891.1 892.2 894.0 888.0 MAX. QFE PRESSURE IN HPA 898.6 895.3 897.4 893.2 893.4 890.6 883.7 886.8 892.3 898.6 898.6 899.5 899.5 DAY-HOUR 15- 6 12- 6 3- 6 1- 6 26- 6 2- 6 29- 3 25- 6 13- 6 27- 6 28- 6 11- 6 MIN. QFE PRESSURE IN HPA 884.5 881.5 880.2 880.7 880.3 876.0 873.8 877.9 882.2 885.6 882.7 887.5 873.8 DAY-HOUR 1-12 9-15 27- 9 24-15 15-15 17-15 16-12 8-15 5-12 7-15 26- 3 4-15 MEAN QNH PRESSURE IN HPA 1020.7 1017.8 1016.9 1014.7 1014.7 1009.5 1004.7 1008.9 1013.7 1018.7 1019.8 1021.8 1015.2 MAX. QNH PRESSURE IN HPA 1027.0 1023.3 1025.6 1021.0 1021.2 1018.1 1010.4 1013.8 1020.0 1027.0 1027.0 1028.0 1028.0 DAY-HOUR 15- 6 12- 6 3- 6 1- 6 26- 6 2- 6 29- 3 25- 6 13- 6 27- 6 28- 6 11- 6 MIN. QNH PRESSURE IN HPA 1011.3 1007.9 1006.5 1007.0 1006.6 1001.8 999.3 1003.9 1008.7 1012.5 1009.3 1014.6 999.3 DAY-HOUR 1-12 9-15 27- 9 24-15 15-15 17-15 16-12 8-15 5-12 7-15 26- 3 4-15 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 893.1 890.8 890.0 888.0 888.1 883.8 879.6 883.2 887.3 891.5 892.6 894.3 888.5 MAX. QFE PRESSURE IN HPA 897.4 894.5 896.3 892.0 893.0 889.9 883.7 886.2 891.6 897.9 897.9 898.8 898.8 DAY 8 1 3 1 27 2 29 25 13 27 28 11 MIN. QFE PRESSURE IN HPA 888.2 884.7 880.4 883.5 882.5 878.4 875.7 880.1 883.6 886.1 882.7 889.5 875.7 DAY 1 24 27 16 15 23 2 8 5 13 26 6 MEAN QNH PRESSURE IN HPA 1020.9 1018.3 1017.4 1015.2 1015.3 1010.5 1005.8 1009.8 1014.4 1019.1 1020.3 1022.2 1015.8 MAX. QNH PRESSURE IN HPA 1025.6 1022.4 1024.4 1019.6 1020.7 1017.3 1010.4 1013.2 1019.2 1026.2 1026.2 1027.2 1027.2 DAY 8 1 3 1 27 2 29 25 13 27 28 11 MIN. QNH PRESSURE IN HPA 1015.4 1011.5 1006.7 1010.2 1009.0 1004.5 1001.5 1006.4 1010.3 1013.1 1009.3 1016.8 1001.5 DAY 1 24 27 16 15 23 2 8 5 13 26 6 MEAN QFF PRESSURE IN HPA 1021.8 1017.8 1016.1 1010.3 1007.7 1000.3 993.5 999.1 1006.6 1014.4 1018.6 1023.6 1010.8 MAX. QFF PRESSURE IN HPA 1028.3 1025.1 1026.1 1016.4 1014.5 1009.5 999.1 1002.8 1012.1 1024.1 1028.8 1030.3 1030.3 DAY 8 26 6 1 27 2 29 25 23 27 28 11 MIN. QFF PRESSURE IN HPA 1015.2 1008.8 1003.6 1005.1 1001.5 992.6 988.1 995.7 1002.1 1005.9 1007.7 1016.1 988.1 DAY 18 24 27 6 15 23 16 3 12 13 26 6 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 894.4 891.8 890.7 888.9 888.9 884.3 879.7 883.6 888.0 892.4 893.5 895.1 889.3 MAX. QFE PRESSURE IN HPA 898.6 895.3 897.4 893.2 893.4 890.6 883.1 886.8 892.3 898.6 898.6 899.5 899.5 DAY 15 12 3 1 26 2 29 25 13 27 28 11 MIN. QFE PRESSURE IN HPA 888.2 885.2 880.9 884.6 883.0 878.7 876.2 880.1 884.6 886.9 885.9 890.1 876.2 DAY 1 24 27 16 15 17 2 8 5 13 26 4 MEAN QNH PRESSURE IN HPA 1022.3 1019.4 1018.2 1016.2 1016.2 1011.0 1006.0 1010.3 1015.2 1020.0 1021.3 1023.0 1016.6 MAX. QNH PRESSURE IN HPA 1027.0 1023.3 1025.6 1021.0 1021.2 1018.1 1009.7 1013.8 1020.0 1027.0 1027.0 1028.0 1028.0 DAY 15 12 3 1 26 2 29 25 13 27 28 11 MIN. QNH PRESSURE IN HPA 1015.4 1012.1 1007.3 1011.4 1009.6 1004.8 1002.0 1006.4 1011.4 1013.9 1012.8 1017.5 1002.0 DAY 1 24 27 16 15 17 2 8 5 13 26 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 892.9 890.4 889.9 887.9 887.9 883.1 878.7 882.6 886.8 891.0 891.9 893.9 888.1 MAX. QFE PRESSURE IN HPA 897.4 893.7 897.0 892.6 893.3 889.6 882.1 886.2 890.6 897.0 896.1 897.8 897.8 DAY 15 1 3 10 26 2 28 25 13 25 30 11 MIN. QFE PRESSURE IN HPA 886.8 884.2 880.2 884.4 881.7 877.6 875.2 879.4 883.3 886.0 885.9 888.3 875.2 DAY 1 24 27 6 15 17 16 3 5 13 26 4 MEAN QNH PRESSURE IN HPA 1020.7 1017.8 1017.2 1015.1 1015.1 1009.8 1004.8 1009.1 1013.8 1018.5 1019.5 1021.7 1015.3 MAX. QNH PRESSURE IN HPA 1025.6 1021.5 1025.2 1020.3 1021.1 1017.0 1008.6 1013.2 1018.1 1025.2 1024.2 1026.1 1026.1 DAY 15 1 3 10 26 2 28 25 13 25 30 11 MIN. QNH PRESSURE IN HPA 1013.8 1010.9 1006.5 1011.2 1008.1 1003.6 1000.9 1005.6 1009.9 1012.9 1012.8 1015.5 1000.9 DAY 1 24 27 6 15 17 16 3 5 13 26 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 891.8 889.2 888.7 886.4 886.6 881.7 877.5 881.3 885.6 890.2 891.1 893.0 886.9 MAX. QFE PRESSURE IN HPA 896.9 892.6 896.0 890.8 892.8 888.8 881.5 885.1 889.7 896.2 895.6 896.7 896.9 DAY 7 17 3 10 26 2 29 25 15 25 30 10 MIN. QFE PRESSURE IN HPA 884.5 882.4 881.7 881.9 880.5 876.2 873.8 878.3 882.2 885.8 886.4 887.7 873.8 DAY 1 9 27 24 14 17 16 3 5 13 25 4 MEAN QNH PRESSURE IN HPA 1019.4 1016.5 1015.9 1013.4 1013.6 1008.2 1003.5 1007.7 1012.5 1017.6 1018.6 1020.8 1014.0 MAX. QNH PRESSURE IN HPA 1025.1 1020.3 1024.1 1018.3 1020.5 1016.1 1007.9 1011.9 1017.1 1024.3 1023.6 1024.9 1025.1 DAY 7 17 3 10 26 2 29 25 15 25 30 10 MIN. QNH PRESSURE IN HPA 1011.3 1008.9 1008.1 1008.4 1006.8 1002.0 999.3 1004.4 1008.7 1012.7 1013.4 1014.8 999.3 DAY 1 9 27 24 14 17 16 3 5 13 25 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 892.5 889.8 888.7 886.6 886.6 881.7 877.8 881.3 885.5 890.6 891.8 893.6 887.2 MAX. QFE PRESSURE IN HPA 897.8 893.0 896.5 890.9 892.5 888.4 881.8 884.5 889.1 897.2 897.2 897.9 897.9 DAY 7 17 3 10 26 1 8 25 15 25 27 10 MIN. QFE PRESSURE IN HPA 886.9 881.5 882.0 880.7 880.3 876.0 874.8 877.9 882.6 885.6 885.6 887.5 874.8 DAY 1 9 18 24 15 17 16 8 19 7 25 4 MEAN QNH PRESSURE IN HPA 1020.2 1017.1 1016.0 1013.6 1013.6 1008.2 1003.8 1007.7 1012.4 1018.1 1019.4 1021.5 1014.3 MAX. QNH PRESSURE IN HPA 1026.1 1020.7 1024.7 1018.4 1020.2 1015.6 1008.3 1011.3 1016.4 1025.4 1025.4 1026.2 1026.2 DAY 7 17 3 10 26 1 8 25 15 25 27 10 MIN. QNH PRESSURE IN HPA 1013.9 1007.9 1008.5 1007.0 1006.6 1001.8 1000.5 1003.9 1009.2 1012.5 1012.5 1014.6 1000.5 DAY 1 9 18 24 15 17 16 8 19 7 25 4 MEAN QFF PRESSURE IN HPA 1021.0 1016.8 1014.6 1008.6 1006.0 997.8 991.5 997.0 1004.7 1013.4 1017.8 1022.8 1009.3 MAX. QFF PRESSURE IN HPA 1028.2 1021.4 1025.8 1014.2 1013.6 1007.8 996.5 1001.1 1010.3 1023.0 1027.9 1028.7 1028.7 DAY 7 25 3 10 26 1 28 25 22 26 27 10 MIN. QFF PRESSURE IN HPA 1014.9 1005.6 1004.4 1001.7 998.9 990.1 986.2 993.6 1000.5 1005.4 1010.1 1014.3 986.2 DAY 22 9 26 24 15 30 16 3 21 7 5 4 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 6.5 11.0 13.7 21.9 27.5 33.3 32.5 32.1 31.4 22.1 14.2 11.1 21.4 MINIMUN AIR TEMPERATURE (C) 0.6 3.8 7.5 12.8 17.8 24.9 25.2 23.7 20.2 10.2 2.8 1.8 12.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 4 29 31 30 12 0 0 0 108 DAYS WITH MINIMUM TEMP. <=-4 5 0 0 0 0 0 0 0 0 0 5 4 14 DAYS WITH FREEZING MIN.<= 0 13 6 0 0 0 0 0 0 0 0 8 6 33 TEMPERATURE RECORDS LOWEST(C) -10.0 -2.0 1.0 1.5 12.0 19.0 23.0 18.5 15.0 3.0 -6.0 -7.0 -10.0 DAY 16 25 16 7 1 17 14 31 30 21 20 5 MAXIMUM AIR TEMPERATURE (C) 10.6 16.0 17.6 26.5 31.4 37.1 36.1 36.2 36.3 27.4 19.6 17.1 26.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 7 18 30 31 31 30 5 0 0 152 DAYS WITH MAXIMUM TEMP. <= 0 1 0 0 0 0 0 0 0 0 0 0 0 1 TEMPERATURE RECORDS HIGHEST(C) 18.5 23.5 24.0 34.0 38.0 42.0 40.0 40.0 41.5 32.0 27.0 22.5 42.0 DAY 6 10 26 24 31 6 8 25 11 1 3 29 DIF. BETWEEN (MAX.-MIN.) (C) 10.0 12.2 10.1 13.7 13.6 12.2 10.9 12.5 16.1 17.2 16.8 15.3 13.4 MEAN DAILY TEMP. (MDT) (C) 5.6 9.9 12.5 19.6 24.6 31.0 30.7 30.0 28.3 18.8 11.2 9.5 19.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 29.8 111.5 301.5 299.5 278.3 218.7 7.8 0.0 0.0 1247.0 HEATING DEG. DAYS(BASE 18 0C) 383.9 234.7 169.9 29.8 0.0 0.0 0.0 0.0 0.0 22.5 204.2 264.9 1310.0 DEWPOINT (MEAN C) -5.1 -1.3 2.7 0.8 2.5 4.5 2.1 -2.1 -0.4 -0.9 -4.0 -5.5 -0.6 MIXING RATIO (G/KG) 3.17 4.11 5.65 4.85 5.44 6.47 5.15 3.94 4.51 4.40 3.37 3.16 4.52 VAPOUR PRESSURE (HPA) 4.52 5.84 7.98 6.87 7.68 9.08 7.26 5.56 6.37 6.25 4.82 4.52 6.40 SATURATION DEF. (HPA) 5.88 8.00 8.33 20.95 30.44 43.68 42.42 43.50 41.33 21.75 12.56 9.56 24.03 RELATIVE HUMIDITY (MEAN %) 49 48 54 28 23 19 15 12 15 24 31 35 29 RELATIVE HUMIDITY (MAX. %) 72 73 79 47 38 28 24 19 22 35 47 55 45 RELATIVE HUMIDITY (MIN. %) 32 31 33 18 15 13 11 8 10 17 20 22 19 RELATIVE HUMIDITY (MEAN% 03UTC) 69 70 78 46 38 28 24 19 22 33 44 53 44 RELATIVE HUMIDITY (MEAN% 09UTC) 39 36 45 21 18 15 13 10 12 19 23 25 23 RELATIVE HUMIDITY (MEAN% 15UTC) 51 47 45 25 19 16 13 11 14 28 34 36 28 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 13.8 45.5 71.4 3.4 3.0 0.7 0.0 0.0 0.0 0.0 0.0 3.0 140.8 DAYS WITH PRECIPITATION >=10 0 1 3 0 0 0 0 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 5 1 2 5 0 0 0 0 0 0 0 0 0 8 DAYS WITH PRECIPITATION >= 1 4 5 13 1 2 0 0 0 0 0 0 2 27 DAYS WITH PRECIPITATION 5 9 19 5 4 2 0 0 0 1 0 2 47 GREATEST DAILY PRECIPITATION 6.4 32.0 15.3 3.0 2.0 0.7 0.0 0.0 0.0 0.0 0.0 2.0 32.0 DAY 13 22 13 15 13 28 ** ** ** ** ** 16 DAY WITH THUNDER STORM 0 0 3 0 0 0 0 0 0 0 0 0 3 DAYS WITH SNOW OR SLEET 2 0 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH DUST 0 1 0 4 0 3 8 6 4 0 0 0 26 WIND DIRECTION (PREVAILING) 360 360 360 360 315 45 45 45 45 45 360 225 45 PREVAILING WIND SPEED(KNOTS) 11.3 10.3 12.4 13.0 11.4 13.7 21.0 19.6 14.8 19.5 13.0 7.0 17.1 PREVAILING WIND PERCENT 12.9 20.7 14.2 22.7 21.3 38.9 77.4 66.5 30.0 11.6 27.3 14.2 24.1 CALMS PERCENT OF WIND 52.3 26.9 31.0 14.7 26.5 18.8 5.8 9.7 31.3 42.6 42.0 43.9 28.8 NO. OF WIND OBSERVATION 155 145 155 150 155 149 155 155 150 155 150 155 1829 VECTOR WIND DIRECTION (MEAN) 16 337 275 309 346 34 38 36 22 351 346 282 21 VECTOR WIND MAGNITUDE(KNOTS) 0.7 0.6 0.8 2.8 5.8 5.7 18.0 14.8 4.3 1.8 3.6 0.2 4.4 WIND STEADINESES (MEAN %) 14.0 7.8 10.1 25.5 61.1 58.2 94.7 90.2 48.9 24.3 55.4 4.3 46.3 WIND SPEED (MEAN KNOTS) 5.0 7.7 7.9 11.0 9.5 9.8 19.0 16.4 8.8 7.4 6.5 4.6 9.5 FASTEST WIND DIRECTION 120 120 160 240 40 50 50 40 40 50 360 30 40 FASTEST WIND SPEED (KNOTS) 23 23 25 33 54 27 39 35 23 27 21 19 54 DAY 1 5 2 10 22 24 26 1 1 3 12 2 DAYS WITH SKY CLEAR (0-2)/8 13 10 6 13 15 26 31 31 30 28 18 16 237 DAYS WITH P.CLOUDY (3-6)/8 13 12 15 12 13 4 0 0 0 3 8 13 93 DAYS WITH CLOUDY (7-8)/8 5 7 10 5 3 0 0 0 0 0 4 2 36 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 2 2 0 1 0 0 5 DURATION OF SUNSHINE HOURS ****** 199.4 191.0 257.7 317.4 351.7 371.1 ****** 317.9 309.0 198.5 233.1 ****** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 892.8 889.1 887.4 888.1 887.2 883.4 883.3 883.9 885.4 891.2 894.8 894.6 888.4 MAX. QFE PRESSURE IN HPA 898.7 895.3 892.3 895.6 892.0 887.3 890.4 890.5 893.7 898.0 905.3 901.7 905.3 DAY-HOUR 28- 6 24- 6 6- 6 7- 6 4- 6 28- 3 3- 6 30- 6 25- 6 20- 6 19- 6 8- 6 MIN. QFE PRESSURE IN HPA 887.1 878.1 881.9 880.3 881.0 878.6 878.9 878.9 878.4 884.0 888.5 887.1 878.1 DAY-HOUR 13- 3 5-15 14-12 10-12 29-15 5-15 28-15 8-12 20-12 6-12 28-12 15-12 MEAN QNH PRESSURE IN HPA 1020.5 1016.3 1014.6 1015.3 1014.3 1010.0 1009.9 1010.6 1012.2 1018.8 1022.8 1022.5 1015.6 MAX. QNH PRESSURE IN HPA 1027.1 1023.3 1020.0 1023.6 1019.6 1014.4 1017.9 1018.0 1021.5 1026.3 1034.5 1030.4 1034.5 DAY-HOUR 28- 6 24- 6 6- 6 7- 6 4- 6 28- 3 3- 6 30- 6 25- 6 20- 6 19- 6 8- 6 MIN. QNH PRESSURE IN HPA 1014.2 1004.1 1008.4 1006.6 1007.4 1004.7 1005.0 1005.0 1004.5 1010.7 1015.7 1014.2 1004.1 DAY-HOUR 13- 3 5-15 14-12 10-12 29-15 5-15 28-15 8-12 20-12 6-12 28-12 15-12 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 893.0 889.4 887.5 888.4 888.1 884.2 884.2 884.5 886.0 891.6 895.4 894.7 888.9 MAX. QFE PRESSURE IN HPA 898.0 894.3 891.8 894.0 891.6 887.3 890.1 888.4 892.4 897.4 904.2 901.0 904.2 DAY 28 24 6 8 4 28 4 30 25 20 19 8 MIN. QFE PRESSURE IN HPA 887.1 882.0 883.4 882.9 883.5 880.7 880.8 880.5 880.3 886.3 889.8 888.2 880.3 DAY 13 5 14 11 30 6 29 14 20 6 10 15 MEAN QNH PRESSURE IN HPA 1020.8 1016.7 1014.6 1015.6 1015.2 1011.0 1010.9 1011.3 1012.9 1019.2 1023.4 1022.7 1016.2 MAX. QNH PRESSURE IN HPA 1026.3 1022.2 1019.4 1021.9 1019.2 1014.4 1017.5 1015.6 1020.1 1025.6 1033.2 1029.7 1033.2 DAY 28 24 6 8 4 28 4 30 25 20 19 8 MIN. QNH PRESSURE IN HPA 1014.2 1008.5 1010.0 1009.5 1010.2 1007.0 1007.1 1006.8 1006.6 1013.3 1017.2 1015.4 1006.6 DAY 13 5 14 11 30 6 29 14 20 6 10 15 MEAN QFF PRESSURE IN HPA 1022.8 1016.7 1012.7 1010.3 1007.5 1000.4 1000.7 1001.6 1004.1 1014.7 1022.3 1023.5 1011.4 MAX. QFF PRESSURE IN HPA 1030.2 1024.8 1018.7 1021.6 1012.9 1004.6 1007.7 1008.8 1012.1 1024.0 1035.9 1032.1 1035.9 DAY 28 24 6 7 4 17 4 31 25 20 19 8 MIN. QFF PRESSURE IN HPA 1014.5 1006.7 1005.4 1004.0 1000.3 995.0 996.3 996.1 998.1 1008.0 1014.1 1014.3 995.0 DAY 7 5 26 28 30 6 29 14 20 6 10 15 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 894.1 890.3 888.5 889.4 888.5 884.6 884.5 885.1 886.7 892.3 896.1 896.0 889.7 MAX. QFE PRESSURE IN HPA 898.7 895.3 892.3 895.6 892.0 887.3 890.4 890.5 893.7 898.0 905.3 901.7 905.3 DAY 28 24 6 7 4 28 3 30 25 20 19 8 MIN. QFE PRESSURE IN HPA 888.7 882.8 883.7 884.5 884.7 881.9 880.9 881.1 881.1 886.5 890.6 890.2 880.9 DAY 13 5 14 10 29 19 26 14 20 6 10 15 MEAN QNH PRESSURE IN HPA 1021.9 1017.7 1015.7 1016.7 1015.7 1011.4 1011.3 1012.0 1013.8 1020.0 1024.2 1024.1 1017.0 MAX. QNH PRESSURE IN HPA 1027.1 1023.3 1020.0 1023.6 1019.6 1014.4 1017.9 1018.0 1021.5 1026.3 1034.5 1030.4 1034.5 DAY 28 24 6 7 4 28 3 30 25 20 19 8 MIN. QNH PRESSURE IN HPA 1016.0 1009.4 1010.4 1011.3 1011.5 1008.4 1007.3 1007.5 1007.5 1013.5 1018.1 1017.6 1007.3 DAY 13 5 14 10 29 19 26 14 20 6 10 15 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 892.8 889.1 887.8 888.4 887.5 883.5 883.5 884.1 885.5 891.2 894.6 894.5 888.6 MAX. QFE PRESSURE IN HPA 897.3 894.0 891.9 894.7 891.4 886.2 889.8 889.5 892.4 896.5 902.9 900.1 902.9 DAY 28 24 6 7 4 27 3 30 25 20 18 7 MIN. QFE PRESSURE IN HPA 887.3 880.6 883.7 881.6 883.6 879.4 880.6 880.3 879.5 885.4 889.3 888.0 879.4 DAY 13 5 14 10 29 6 26 8 20 6 10 15 MEAN QNH PRESSURE IN HPA 1020.5 1016.4 1014.9 1015.7 1014.7 1010.2 1010.2 1010.8 1012.4 1018.7 1022.5 1022.4 1015.8 MAX. QNH PRESSURE IN HPA 1025.5 1021.9 1019.5 1022.6 1019.0 1013.2 1017.2 1016.8 1020.1 1024.7 1031.8 1028.7 1031.8 DAY 28 24 6 7 4 27 3 30 25 20 18 7 MIN. QNH PRESSURE IN HPA 1014.4 1006.9 1010.4 1008.0 1010.3 1005.6 1006.9 1006.6 1005.7 1012.3 1016.6 1015.2 1005.6 DAY 13 5 14 10 29 6 26 8 20 6 10 15 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 891.8 888.0 886.6 887.1 886.1 882.3 882.1 882.8 884.2 890.3 893.8 893.5 887.4 MAX. QFE PRESSURE IN HPA 896.6 892.7 890.0 893.7 889.9 884.5 889.0 887.8 890.7 895.0 902.6 898.6 902.6 DAY 28 24 1 7 4 3 3 29 25 19 18 7 MIN. QFE PRESSURE IN HPA 887.1 878.9 881.9 880.3 881.5 879.5 879.0 878.9 878.4 884.0 888.5 887.1 878.4 DAY 19 5 14 10 29 6 28 8 20 6 28 15 MEAN QNH PRESSURE IN HPA 1019.5 1015.2 1013.7 1014.1 1013.0 1008.8 1008.6 1009.4 1010.9 1017.7 1021.6 1021.3 1014.5 MAX. QNH PRESSURE IN HPA 1024.8 1020.4 1017.4 1021.5 1017.3 1011.3 1016.3 1015.0 1018.2 1023.0 1031.4 1027.0 1031.4 DAY 28 24 1 7 4 3 3 29 25 19 18 7 MIN. QNH PRESSURE IN HPA 1014.2 1005.0 1008.4 1006.6 1007.9 1005.7 1005.1 1005.0 1004.5 1010.7 1015.7 1014.2 1004.5 DAY 19 5 14 10 29 6 28 8 20 6 28 15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 892.4 888.6 886.9 887.2 885.9 882.2 882.1 882.9 884.4 890.8 894.3 894.3 887.7 MAX. QFE PRESSURE IN HPA 897.1 893.6 890.5 893.7 889.9 884.3 888.9 887.7 891.0 896.0 903.6 900.0 903.6 DAY 26 24 1 7 7 27 3 29 25 19 18 7 MIN. QFE PRESSURE IN HPA 887.6 878.1 882.6 880.7 881.0 878.6 878.9 879.2 878.4 884.5 889.3 889.5 878.1 DAY 19 5 26 10 29 5 28 8 20 6 28 15 MEAN QNH PRESSURE IN HPA 1020.1 1015.8 1013.9 1014.3 1012.8 1008.7 1008.6 1009.5 1011.1 1018.3 1022.2 1022.2 1014.8 MAX. QNH PRESSURE IN HPA 1025.3 1021.4 1018.0 1021.5 1017.3 1011.0 1016.2 1014.8 1018.5 1024.1 1032.6 1028.5 1032.6 DAY 26 24 1 7 7 27 3 29 25 19 18 7 MIN. QNH PRESSURE IN HPA 1014.7 1004.1 1009.2 1007.0 1007.4 1004.7 1005.0 1005.4 1004.5 1011.3 1016.6 1016.8 1004.1 DAY 19 5 26 10 29 5 28 8 20 6 28 15 MEAN QFF PRESSURE IN HPA 1022.0 1015.7 1012.0 1009.0 1005.0 998.2 998.5 999.8 1002.3 1013.8 1021.1 1023.0 1010.0 MAX. QFF PRESSURE IN HPA 1029.1 1023.6 1018.2 1020.5 1011.2 1002.6 1006.2 1007.4 1010.7 1022.2 1034.7 1031.9 1034.7 DAY 28 23 1 7 4 17 3 30 25 19 18 7 MIN. QFF PRESSURE IN HPA 1014.4 1003.7 1004.7 1001.4 998.0 992.4 994.2 995.7 995.8 1005.6 1014.3 1016.7 992.4 DAY 6 5 26 10 29 5 28 8 20 6 6 15 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.2 10.3 13.9 20.4 27.2 33.4 36.1 33.6 29.2 23.2 14.2 9.8 21.7 MINIMUN AIR TEMPERATURE (C) 1.5 0.3 5.6 11.5 17.5 25.9 27.1 24.1 18.1 14.0 6.6 3.1 12.9 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 7 30 31 24 2 2 0 0 96 DAYS WITH MINIMUM TEMP. <=-4 0 7 0 0 0 0 0 0 0 0 0 1 8 DAYS WITH FREEZING MIN.<= 0 10 16 1 0 0 0 0 0 0 0 2 4 33 TEMPERATURE RECORDS LOWEST(C) -3.0 -7.5 -2.5 4.0 10.5 21.0 22.0 19.0 14.0 8.0 0.0 -5.0 -7.5 DAY 21 10 1 14 7 3 12 31 10 25 26 29 MAXIMUM AIR TEMPERATURE (C) 14.0 15.8 18.9 24.9 31.2 37.4 40.5 38.6 34.8 28.2 18.8 14.2 26.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 2 21 30 31 31 29 10 0 0 154 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 20.5 26.5 26.5 30.0 37.5 42.0 43.0 42.0 39.0 35.5 25.5 20.0 43.0 DAY 1 22 24 28 23 18 7 16 4 7 5 10 DIF. BETWEEN (MAX.-MIN.) (C) 12.5 15.5 13.3 13.4 13.7 11.5 13.4 14.5 16.7 14.2 12.2 11.1 13.5 MEAN DAILY TEMP. (MDT) (C) 7.7 8.0 12.2 18.2 24.4 31.7 33.8 31.3 26.4 21.1 12.7 8.6 19.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 3.3 113.9 320.0 397.0 320.5 163.1 47.0 0.0 0.0 1364.8 HEATING DEG. DAYS(BASE 18 0C) 318.8 280.3 179.9 33.5 2.0 0.0 0.0 0.0 0.0 9.1 162.2 290.0 1275.8 DEWPOINT (MEAN C) -3.9 -7.9 0.8 3.2 3.2 6.6 5.9 9.2 -1.2 3.1 1.9 1.4 1.9 MIXING RATIO (G/KG) 3.33 2.55 4.90 6.06 5.72 7.10 6.93 8.46 4.16 5.57 5.22 4.87 5.41 VAPOUR PRESSURE (HPA) 4.74 3.64 6.91 8.55 8.08 9.96 9.68 11.84 5.89 7.90 7.42 6.93 7.63 SATURATION DEF. (HPA) 7.63 10.17 9.67 16.35 29.49 42.59 51.15 41.44 36.21 22.36 9.62 5.65 23.53 RELATIVE HUMIDITY (MEAN %) 44 31 45 37 23 20 17 23 15 31 47 59 33 RELATIVE HUMIDITY (MAX. %) 62 55 63 55 37 30 25 29 23 45 70 80 48 RELATIVE HUMIDITY (MIN. %) 32 18 34 25 16 14 12 18 10 21 33 43 23 RELATIVE HUMIDITY (MEAN% 03UTC) 62 55 58 52 35 29 25 29 23 44 69 78 47 RELATIVE HUMIDITY (MEAN% 09UTC) 35 21 39 30 18 17 14 21 12 25 37 48 26 RELATIVE HUMIDITY (MEAN% 15UTC) 43 24 47 36 22 17 15 22 13 31 47 63 32 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 23.0 0.0 20.4 18.0 3.0 0.0 0.0 0.0 0.0 11.2 25.0 41.0 141.6 DAYS WITH PRECIPITATION >=10 1 0 0 0 0 0 0 0 0 0 1 1 3 DAYS WITH PRECIPITATION >= 5 2 0 1 2 0 0 0 0 0 1 2 3 11 DAYS WITH PRECIPITATION >= 1 3 0 7 6 1 0 0 0 0 2 3 6 28 DAYS WITH PRECIPITATION 3 1 8 12 1 3 0 0 0 4 4 6 42 GREATEST DAILY PRECIPITATION 11.0 0.0 9.0 6.0 3.0 0.0 0.0 0.0 0.0 9.6 18.0 23.0 23.0 DAY 17 ** 26 23 6 ** ** ** ** 24 1 21 DAY WITH THUNDER STORM 0 0 1 2 0 0 0 0 0 1 0 1 5 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 2 4 6 0 2 3 7 1 0 0 0 25 WIND DIRECTION (PREVAILING) 135 315 180 360 360 45 45 45 45 360 360 180 45 PREVAILING WIND SPEED(KNOTS) 7.1 12.5 10.9 10.9 11.7 15.0 17.9 16.7 14.7 11.9 13.2 8.5 15.7 PREVAILING WIND PERCENT 13.5 13.6 18.7 13.3 26.5 26.0 69.7 64.5 23.3 12.3 14.7 10.3 19.5 CALMS PERCENT OF WIND 42.6 39.3 10.3 29.3 15.5 15.3 14.8 16.1 31.3 52.9 56.7 51.0 31.2 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 187 287 246 252 356 7 44 38 13 300 13 205 16 VECTOR WIND MAGNITUDE(KNOTS) 1.3 2.8 2.9 1.4 5.7 6.1 13.7 12.0 5.8 1.4 2.3 0.9 3.2 WIND STEADINESES (MEAN %) 24.5 40.0 28.4 18.9 57.6 57.0 94.5 90.2 60.4 27.5 42.6 20.9 37.2 WIND SPEED (MEAN KNOTS) 5.3 7.0 10.2 7.4 9.9 10.7 14.5 13.3 9.6 5.1 5.4 4.3 8.6 FASTEST WIND DIRECTION 150 220 250 40 360 40 40 50 10 360 340 210 360 FASTEST WIND SPEED (KNOTS) 25 31 35 35 43 33 29 29 39 33 23 16 43 DAY 16 27 16 25 5 5 3 11 7 21 8 1 DAYS WITH SKY CLEAR (0-2)/8 16 19 15 10 23 17 26 31 29 15 16 15 232 DAYS WITH P.CLOUDY (3-6)/8 11 8 11 12 5 13 5 0 1 9 11 12 98 DAYS WITH CLOUDY (7-8)/8 4 1 5 8 3 0 0 0 0 7 3 4 35 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 1 0 1 1 0 0 0 0 3 DURATION OF SUNSHINE HOURS 220.0 239.0 232.6 229.9 301.6 292.8 347.1 357.7 324.0 239.9 233.6 203.1 3221.3 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 891.0 890.4 886.7 887.2 887.9 883.1 879.8 882.8 887.4 891.2 893.2 892.1 887.7 MAX. QFE PRESSURE IN HPA 899.9 896.9 898.4 893.4 895.3 888.8 883.8 887.4 892.9 896.0 900.2 901.7 901.7 DAY-HOUR 19- 9 8- 6 11- 6 14- 6 12- 6 8- 6 9- 6 25- 6 18- 6 9- 6 8- 6 29- 6 MIN. QFE PRESSURE IN HPA 879.4 883.1 879.3 878.6 880.7 877.0 874.6 877.2 881.8 886.1 887.8 883.2 874.6 DAY-HOUR 17-12 23-12 6-12 10-15 5- 9 23-15 16-12 8-15 2-12 4- 3 13-12 10-12 MEAN QNH PRESSURE IN HPA 1018.5 1017.9 1013.7 1014.3 1015.0 1009.7 1006.0 1009.4 1014.5 1018.7 1021.0 1019.7 1014.9 MAX. QNH PRESSURE IN HPA 1028.4 1025.1 1026.8 1021.2 1023.3 1016.1 1010.5 1014.5 1020.6 1024.1 1028.8 1030.4 1030.4 DAY-HOUR 19- 9 8- 6 11- 6 14- 6 12- 6 8- 6 9- 6 25- 6 18- 6 9- 6 8- 6 29- 6 MIN. QNH PRESSURE IN HPA 1005.6 1009.7 1005.5 1004.7 1007.0 1002.9 1000.2 1003.1 1008.3 1013.1 1015.0 1009.8 1000.2 DAY-HOUR 17-12 23-12 6-12 10-15 5- 9 23-15 16-12 8-15 2-12 4- 3 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 891.2 890.3 887.1 887.7 888.5 883.9 880.6 883.7 887.6 891.5 893.8 892.4 888.2 MAX. QFE PRESSURE IN HPA 897.1 896.5 896.9 892.7 894.8 888.4 883.5 886.9 892.1 895.7 899.9 900.3 900.3 DAY 19 8 11 14 7 8 9 29 20 10 8 29 MIN. QFE PRESSURE IN HPA 882.2 883.8 879.8 881.7 881.9 878.7 875.9 880.5 882.9 886.1 889.7 885.4 875.9 DAY 17 1 30 11 5 24 16 1 3 4 13 10 MEAN QNH PRESSURE IN HPA 1018.8 1017.7 1014.1 1014.8 1015.7 1010.6 1007.0 1010.3 1014.7 1019.1 1021.6 1020.0 1015.4 MAX. QNH PRESSURE IN HPA 1025.3 1024.7 1025.1 1020.4 1022.8 1015.6 1010.2 1013.9 1019.7 1023.8 1028.4 1028.9 1028.9 DAY 19 8 11 14 7 8 9 29 20 10 8 29 MIN. QNH PRESSURE IN HPA 1008.7 1010.5 1006.0 1008.1 1008.4 1004.8 1001.7 1006.8 1009.5 1013.1 1017.1 1012.3 1001.7 DAY 17 1 30 11 5 24 16 1 3 4 13 10 MEAN QFF PRESSURE IN HPA 1019.7 1018.2 1012.7 1010.2 1007.9 999.9 995.4 999.7 1006.7 1013.7 1020.2 1020.5 1010.4 MAX. QFF PRESSURE IN HPA 1028.1 1029.7 1025.3 1018.9 1018.8 1005.9 999.2 1005.5 1012.8 1018.8 1028.4 1032.6 1032.6 DAY 19 8 1 14 7 8 9 29 18 25 30 29 MIN. QFF PRESSURE IN HPA 1006.2 1006.9 1001.3 1001.4 999.6 993.6 989.6 995.4 1000.6 1005.3 1013.0 1010.4 989.6 DAY 17 23 30 11 5 24 16 1 3 4 13 11 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 892.2 891.5 887.9 888.6 889.2 884.4 881.0 884.0 888.2 892.3 894.6 893.2 888.9 MAX. QFE PRESSURE IN HPA 898.9 896.9 898.4 893.4 895.3 888.8 883.8 887.4 892.9 896.0 900.2 901.7 901.7 DAY 19 8 11 14 12 8 9 25 18 9 8 29 MIN. QFE PRESSURE IN HPA 881.2 885.7 880.9 881.7 882.6 879.1 876.5 880.6 883.8 886.2 889.7 886.7 876.5 DAY 17 23 30 11 5 24 16 5 3 4 13 10 MEAN QNH PRESSURE IN HPA 1019.8 1019.1 1015.1 1015.8 1016.5 1011.2 1007.3 1010.7 1015.4 1020.0 1022.5 1021.0 1016.2 MAX. QNH PRESSURE IN HPA 1027.3 1025.1 1026.8 1021.2 1023.3 1016.1 1010.5 1014.5 1020.6 1024.1 1028.8 1030.4 1030.4 DAY 19 8 11 14 12 8 9 25 18 9 8 29 MIN. QNH PRESSURE IN HPA 1007.6 1012.6 1007.3 1008.1 1009.2 1005.3 1002.4 1006.9 1010.5 1013.2 1017.1 1013.7 1002.4 DAY 17 23 30 11 5 24 16 5 3 4 13 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 891.2 890.8 886.9 887.6 888.1 883.4 879.9 883.0 887.5 891.2 892.9 891.9 887.9 MAX. QFE PRESSURE IN HPA 899.9 895.8 897.8 892.2 894.5 887.5 882.8 885.8 892.8 895.2 898.3 900.6 900.6 DAY 19 8 11 14 12 8 9 31 19 9 8 29 MIN. QFE PRESSURE IN HPA 881.1 884.5 880.7 880.3 880.7 878.3 875.8 879.7 882.3 888.6 889.1 883.7 875.8 DAY 17 23 25 11 5 24 16 8 2 23 13 10 MEAN QNH PRESSURE IN HPA 1018.7 1018.3 1013.9 1014.7 1015.3 1010.0 1006.1 1009.6 1014.6 1018.8 1020.6 1019.5 1015.0 MAX. QNH PRESSURE IN HPA 1028.4 1023.9 1026.1 1019.9 1022.4 1014.6 1009.4 1012.7 1020.5 1023.2 1026.7 1029.2 1029.2 DAY 19 8 11 14 12 8 9 31 19 9 8 29 MIN. QNH PRESSURE IN HPA 1007.5 1011.3 1007.0 1006.6 1007.0 1004.4 1001.6 1005.9 1008.8 1015.8 1016.4 1010.4 1001.6 DAY 17 23 25 11 5 24 16 8 2 23 13 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 890.1 889.7 885.7 886.0 886.8 882.0 878.7 881.7 886.7 890.4 892.1 891.3 886.8 MAX. QFE PRESSURE IN HPA 898.5 894.8 895.9 890.7 892.5 886.0 882.2 885.3 892.6 894.3 897.7 899.4 899.4 DAY 19 7 11 14 12 4 9 31 19 9 8 29 MIN. QFE PRESSURE IN HPA 879.4 883.1 879.3 878.6 880.8 877.5 874.6 878.1 881.8 888.1 887.8 883.2 874.6 DAY 17 23 6 11 5 23 16 8 2 1 13 10 MEAN QNH PRESSURE IN HPA 1017.5 1017.1 1012.6 1012.9 1013.8 1008.5 1004.8 1008.2 1013.8 1017.8 1019.7 1018.8 1013.8 MAX. QNH PRESSURE IN HPA 1026.9 1022.8 1024.0 1018.2 1020.2 1012.9 1008.7 1012.2 1020.3 1022.2 1026.0 1027.9 1027.9 DAY 19 7 11 14 12 4 9 31 19 9 8 29 MIN. QNH PRESSURE IN HPA 1005.6 1009.7 1005.5 1004.7 1007.1 1003.5 1000.2 1004.1 1008.3 1015.3 1015.0 1009.8 1000.2 DAY 17 23 6 11 5 23 16 8 2 1 13 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 890.4 889.8 885.9 886.3 886.8 881.6 878.7 881.6 886.8 890.7 892.9 891.6 886.9 MAX. QFE PRESSURE IN HPA 898.2 896.1 896.4 891.6 892.0 886.3 882.2 885.5 891.3 894.4 898.7 900.3 900.3 DAY 19 7 11 13 12 5 9 31 19 8 8 29 MIN. QFE PRESSURE IN HPA 880.5 883.5 879.3 878.6 881.2 877.0 874.6 877.2 882.1 888.1 888.5 883.5 874.6 DAY 17 27 6 10 4 23 16 8 3 1 13 10 MEAN QNH PRESSURE IN HPA 1017.9 1017.2 1012.8 1013.3 1013.9 1008.0 1004.8 1008.1 1013.9 1018.2 1020.7 1019.2 1014.0 MAX. QNH PRESSURE IN HPA 1026.5 1024.2 1024.5 1019.2 1019.6 1013.3 1008.7 1012.4 1018.9 1022.3 1027.1 1028.9 1028.9 DAY 19 7 11 13 12 5 9 31 19 8 8 29 MIN. QNH PRESSURE IN HPA 1006.8 1010.2 1005.5 1004.7 1007.6 1002.9 1000.2 1003.1 1008.6 1015.3 1015.7 1010.2 1000.2 DAY 17 27 6 10 4 23 16 8 3 1 13 10 MEAN QFF PRESSURE IN HPA 1018.8 1017.7 1011.2 1008.5 1006.1 997.4 993.3 997.4 1005.8 1012.8 1019.3 1019.5 1009.0 MAX. QFF PRESSURE IN HPA 1029.5 1027.9 1024.1 1017.6 1015.8 1003.6 997.5 1003.6 1012.3 1017.3 1025.6 1032.4 1032.4 DAY 19 7 11 13 6 5 9 31 17 25 8 29 MIN. QFF PRESSURE IN HPA 1006.3 1006.2 1003.1 997.6 999.4 990.9 987.4 991.8 999.6 1007.5 1012.5 1008.2 987.4 DAY 17 23 25 10 4 18 16 8 3 1 13 10 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.4 10.4 16.0 23.6 28.5 31.8 35.0 33.3 29.9 23.8 18.4 15.6 22.9 MINIMUN AIR TEMPERATURE (C) 2.1 2.9 8.4 13.8 18.6 22.1 25.0 24.7 19.1 13.4 7.3 4.8 13.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 9 25 29 30 9 2 0 0 104 DAYS WITH MINIMUM TEMP. <=-4 0 1 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH FREEZING MIN.<= 0 8 6 2 0 0 0 0 0 0 0 0 4 20 TEMPERATURE RECORDS LOWEST(C) -3.0 -4.0 -0.5 8.0 11.5 18.0 2.4 20.5 12.5 7.0 3.0 -1.0 -4.0 DAY 15 18 4 7 4 13 27 30 18 17 27 8 MAXIMUM AIR TEMPERATURE (C) 12.9 15.2 20.2 28.3 33.0 35.8 39.1 38.0 35.4 29.5 24.2 22.2 27.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 3 12 25 30 31 31 30 9 0 0 171 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 18.5 24.0 30.5 35.0 38.0 39.0 46.5 43.0 40.0 36.5 28.0 26.5 46.5 DAY 26 8 30 18 13 3 7 18 6 2 1 11 DIF. BETWEEN (MAX.-MIN.) (C) 10.8 12.3 11.8 14.5 14.4 13.7 14.1 13.3 16.3 16.1 16.9 17.4 14.3 MEAN DAILY TEMP. (MDT) (C) 7.5 9.0 14.3 21.0 25.8 29.0 32.0 31.3 27.3 21.4 15.7 13.5 20.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 6.8 49.5 157.2 239.7 345.0 320.7 183.4 51.3 0.0 0.0 1353.6 HEATING DEG. DAYS(BASE 18 0C) 324.5 250.7 141.2 16.9 0.0 0.0 0.0 0.0 0.0 2.3 72.8 139.5 947.9 DEWPOINT (MEAN C) -1.3 -1.6 1.1 3.0 2.5 4.1 6.6 5.7 4.5 -1.8 -2.6 -3.6 1.4 MIXING RATIO (G/KG) 4.12 4.09 4.88 5.62 5.46 6.00 7.24 6.86 6.30 4.20 3.71 3.45 5.16 VAPOUR PRESSURE (HPA) 5.84 5.80 6.90 7.94 7.70 8.45 10.13 9.64 8.87 5.97 5.29 4.93 7.29 SATURATION DEF. (HPA) 5.65 7.59 12.70 22.76 32.80 39.39 47.95 42.67 35.35 25.35 17.11 13.86 25.27 RELATIVE HUMIDITY (MEAN %) 54 48 41 30 21 19 19 20 21 21 26 29 29 RELATIVE HUMIDITY (MAX. %) 77 74 60 49 32 28 27 29 29 31 38 41 43 RELATIVE HUMIDITY (MIN. %) 38 32 30 19 13 13 14 14 16 14 17 19 20 RELATIVE HUMIDITY (MEAN% 03UTC) 75 72 58 47 31 28 27 28 30 30 36 40 42 RELATIVE HUMIDITY (MEAN% 09UTC) 44 36 34 22 15 15 15 16 18 16 20 21 23 RELATIVE HUMIDITY (MEAN% 15UTC) 48 47 39 27 22 17 19 17 20 20 28 30 28 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 34.0 20.4 20.1 13.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 88.3 DAYS WITH PRECIPITATION >=10 0 1 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 4 1 1 0 0 0 0 0 0 0 0 0 6 DAYS WITH PRECIPITATION >= 1 8 5 5 5 0 0 0 0 0 0 0 0 23 DAYS WITH PRECIPITATION 8 7 7 8 1 0 0 0 0 0 0 0 31 GREATEST DAILY PRECIPITATION 8.0 14.0 6.0 4.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14.0 DAY 6 13 2 25 ** ** ** ** ** ** ** ** DAY WITH THUNDER STORM 1 0 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 1 2 3 3 2 0 0 0 1 0 1 14 WIND DIRECTION (PREVAILING) 180 360 360 270 270 45 45 45 360 360 360 225 45 PREVAILING WIND SPEED(KNOTS) 10.7 14.0 9.6 10.5 14.6 17.3 18.1 15.6 14.2 11.0 11.5 8.4 15.5 PREVAILING WIND PERCENT 17.4 15.7 13.5 16.0 18.1 44.7 54.2 61.9 29.3 25.2 17.3 10.3 21.0 CALMS PERCENT OF WIND 32.3 32.9 32.3 25.3 31.6 18.7 22.6 7.1 26.7 23.9 40.0 60.6 29.5 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 197 300 250 285 311 39 41 35 360 14 351 285 17 VECTOR WIND MAGNITUDE(KNOTS) 2.2 1.1 1.8 1.5 5.1 9.8 11.2 11.6 5.8 5.6 1.5 0.3 3.5 WIND STEADINESES (MEAN %) 33.3 14.1 25.4 17.6 52.6 78.4 88.2 83.5 61.1 63.6 25.9 8.6 39.3 WIND SPEED (MEAN KNOTS) 6.6 7.8 7.1 8.5 9.7 12.5 12.7 13.9 9.5 8.8 5.8 3.5 8.9 FASTEST WIND DIRECTION 270 280 190 130 30 60 20 60 360 30 190 360 30 FASTEST WIND SPEED (KNOTS) 49 49 39 29 27 33 29 19 29 78 25 23 78 DAY 13 26 1 24 2 28 1 2 10 11 10 5 DAYS WITH SKY CLEAR (0-2)/8 17 11 8 12 26 29 31 25 26 25 27 13 250 DAYS WITH P.CLOUDY (3-6)/8 10 14 9 12 5 1 0 6 4 6 3 16 86 DAYS WITH CLOUDY (7-8)/8 4 3 14 6 0 0 0 0 0 0 0 2 29 DAYS WITH VISIBILITY =< 2 KM 1 1 0 1 0 0 0 0 0 0 0 0 3 DURATION OF SUNSHINE HOURS 216.3 194.4 181.3 262.3 320.6 351.5 383.2 348.3 318.9 301.6 278.8 244.3 3401.5 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 890.5 890.0 888.7 887.7 887.2 885.5 881.3 884.8 886.8 891.0 893.4 894.8 888.5 MAX. QFE PRESSURE IN HPA 898.2 899.8 895.2 896.8 894.0 891.3 887.0 888.6 892.8 896.1 899.0 901.8 901.8 DAY-HOUR 4- 9 23- 6 28- 6 12- 9 8- 6 5- 6 20- 3 9- 3 13- 6 26- 6 21- 6 10- 6 MIN. QFE PRESSURE IN HPA 880.4 878.3 879.5 880.7 878.5 878.8 873.2 880.5 881.5 883.4 888.0 887.5 873.2 DAY-HOUR 13- 3 13-12 15-15 24-15 30-12 29-12 8-15 22-15 6-15 2-12 1-15 21-12 MEAN QNH PRESSURE IN HPA 1017.9 1017.4 1015.9 1014.9 1014.3 1012.3 1007.7 1011.5 1013.8 1018.5 1021.1 1022.8 1015.7 MAX. QNH PRESSURE IN HPA 1026.5 1028.3 1023.2 1025.0 1021.9 1018.9 1014.1 1015.8 1020.5 1024.2 1027.4 1030.6 1030.6 DAY-HOUR 4- 9 23- 6 28- 6 12- 9 8- 6 5- 6 20- 3 9- 3 13- 6 26- 6 21- 6 10- 6 MIN. QNH PRESSURE IN HPA 1006.7 1004.4 1005.7 1007.0 1004.6 1004.9 998.7 1006.8 1007.9 1010.0 1015.2 1014.6 998.7 DAY-HOUR 13- 3 13-12 15-15 24-15 30-12 29-12 8-15 22-15 6-15 2-12 1-15 21-12 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 890.4 890.3 889.0 888.2 887.7 886.3 882.3 885.6 887.7 891.6 893.8 895.0 889.0 MAX. QFE PRESSURE IN HPA 896.8 897.9 893.8 896.0 893.4 890.8 887.0 888.6 892.4 895.6 897.8 901.2 901.2 DAY 4 23 22 12 8 6 20 9 13 11 21 10 MIN. QFE PRESSURE IN HPA 880.4 878.9 881.0 881.4 880.1 881.1 875.7 882.1 883.8 886.3 890.0 889.3 875.7 DAY 13 16 15 6 30 29 8 23 6 2 1 21 MEAN QNH PRESSURE IN HPA 1017.9 1017.7 1016.3 1015.4 1014.8 1013.2 1008.8 1012.5 1014.8 1019.2 1021.7 1022.9 1016.3 MAX. QNH PRESSURE IN HPA 1025.0 1026.2 1021.6 1024.1 1021.2 1018.3 1014.1 1015.8 1020.1 1023.6 1026.1 1029.9 1029.9 DAY 4 23 22 12 8 6 20 9 13 11 21 10 MIN. QNH PRESSURE IN HPA 1006.7 1005.0 1007.4 1007.8 1006.4 1007.5 1001.5 1008.6 1010.5 1013.3 1017.4 1016.6 1001.5 DAY 13 16 15 6 30 29 8 23 6 2 1 21 MEAN QFF PRESSURE IN HPA 1018.8 1017.8 1013.8 1009.3 1006.7 1003.3 997.7 1002.0 1006.5 1013.9 1019.3 1021.6 1010.9 MAX. QFF PRESSURE IN HPA 1026.4 1029.1 1021.4 1018.9 1015.7 1008.3 1004.3 1006.3 1013.0 1020.4 1024.2 1030.7 1030.7 DAY 15 23 4 12 3 6 24 9 13 29 27 10 MIN. QFF PRESSURE IN HPA 1006.9 1003.9 1001.6 1001.3 996.1 996.5 987.4 997.2 999.2 1004.7 1013.0 1014.8 987.4 DAY 13 16 30 23 30 29 8 23 6 2 1 2 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 891.5 891.4 889.9 888.8 888.5 886.6 882.4 886.0 888.3 892.4 894.8 896.3 889.8 MAX. QFE PRESSURE IN HPA 898.0 899.8 895.2 896.5 894.0 891.3 886.7 888.6 892.8 896.1 899.0 901.8 901.8 DAY 4 23 28 12 8 5 22 29 13 26 21 10 MIN. QFE PRESSURE IN HPA 881.3 880.8 881.9 882.7 880.5 881.5 875.9 882.0 884.5 886.6 891.1 890.1 875.9 DAY 13 16 15 6 30 29 8 13 3 2 1 21 MEAN QNH PRESSURE IN HPA 1019.1 1018.9 1017.3 1016.1 1015.8 1013.7 1009.0 1012.9 1015.5 1020.1 1022.8 1024.4 1017.1 MAX. QNH PRESSURE IN HPA 1026.3 1028.3 1023.2 1024.7 1021.9 1018.9 1013.7 1015.8 1020.5 1024.2 1027.4 1030.6 1030.6 DAY 4 23 28 12 8 5 22 29 13 26 21 10 MIN. QNH PRESSURE IN HPA 1007.7 1007.1 1008.4 1009.3 1006.8 1007.9 1001.7 1008.5 1011.3 1013.6 1018.6 1017.5 1001.7 DAY 13 16 15 6 30 29 8 13 3 2 1 21 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 890.7 890.1 888.9 888.1 887.4 885.7 881.3 884.9 886.8 890.8 893.2 894.8 888.6 MAX. QFE PRESSURE IN HPA 898.2 898.3 894.3 896.8 892.8 890.3 885.8 888.2 891.0 894.9 897.0 900.3 900.3 DAY 4 23 28 12 8 5 22 25 13 25 21 10 MIN. QFE PRESSURE IN HPA 881.5 879.3 881.9 881.6 879.7 880.2 874.7 881.5 882.9 884.9 889.2 889.0 874.7 DAY 13 13 15 6 30 29 8 13 3 2 1 21 MEAN QNH PRESSURE IN HPA 1018.1 1017.5 1016.2 1015.3 1014.5 1012.6 1007.7 1011.8 1013.8 1018.3 1021.0 1022.8 1015.8 MAX. QNH PRESSURE IN HPA 1026.5 1026.7 1022.2 1025.0 1020.5 1017.7 1012.7 1015.4 1018.5 1022.9 1025.2 1028.9 1028.9 DAY 4 23 28 12 8 5 22 25 13 25 21 10 MIN. QNH PRESSURE IN HPA 1007.9 1005.5 1008.4 1008.0 1005.9 1006.5 1000.3 1007.9 1009.5 1011.7 1016.5 1016.3 1000.3 DAY 13 13 15 6 30 29 8 13 3 2 1 21 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 889.6 889.0 887.7 886.9 886.1 884.4 880.3 883.7 885.5 889.8 892.2 893.7 887.4 MAX. QFE PRESSURE IN HPA 897.0 896.6 894.9 894.0 891.4 888.7 885.7 886.9 889.2 894.3 896.5 899.1 899.1 DAY 4 23 26 12 7 5 23 25 13 25 21 10 MIN. QFE PRESSURE IN HPA 880.4 878.3 880.2 881.9 878.5 878.8 873.4 880.8 881.6 883.4 888.4 887.5 873.4 DAY 13 13 15 24 30 29 8 13 6 2 1 21 MEAN QNH PRESSURE IN HPA 1017.0 1016.3 1014.9 1013.9 1013.1 1011.2 1006.5 1010.4 1012.4 1017.2 1019.8 1021.5 1014.5 MAX. QNH PRESSURE IN HPA 1025.2 1024.8 1022.9 1021.9 1019.0 1016.0 1012.6 1013.9 1016.5 1022.2 1024.7 1027.5 1027.5 DAY 4 23 26 12 7 5 23 25 13 25 21 10 MIN. QNH PRESSURE IN HPA 1006.7 1004.4 1006.5 1008.4 1004.6 1004.9 998.9 1007.1 1008.0 1010.0 1015.6 1014.6 998.9 DAY 13 13 15 24 30 29 8 13 6 2 1 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 890.1 889.5 887.8 886.8 886.3 884.3 880.2 883.6 885.7 890.5 892.8 894.3 887.7 MAX. QFE PRESSURE IN HPA 897.7 897.2 894.1 893.7 892.1 888.3 885.2 886.3 889.2 895.1 897.9 900.0 900.0 DAY 4 23 26 11 7 6 23 19 13 25 21 9 MIN. QFE PRESSURE IN HPA 880.9 879.5 879.5 880.7 879.8 878.9 873.2 880.5 881.5 884.2 888.0 888.7 873.2 DAY 13 15 15 24 30 29 8 22 6 2 1 18 MEAN QNH PRESSURE IN HPA 1017.6 1016.8 1014.9 1013.8 1013.3 1011.1 1006.4 1010.3 1012.6 1017.9 1020.5 1022.2 1014.8 MAX. QNH PRESSURE IN HPA 1026.0 1025.4 1022.0 1021.5 1019.7 1015.5 1012.1 1013.3 1016.5 1023.1 1026.2 1028.5 1028.5 DAY 4 23 26 11 7 6 23 19 13 25 21 9 MIN. QNH PRESSURE IN HPA 1007.3 1005.7 1005.7 1007.0 1006.0 1005.0 998.7 1006.8 1007.9 1010.9 1015.2 1016.0 998.7 DAY 13 15 15 24 30 29 8 22 6 2 1 18 MEAN QFF PRESSURE IN HPA 1018.4 1016.9 1012.2 1007.7 1005.0 1001.1 995.2 999.9 1004.3 1012.7 1018.0 1020.8 1009.4 MAX. QFF PRESSURE IN HPA 1025.9 1028.5 1019.8 1017.9 1014.5 1006.1 1002.1 1004.0 1009.5 1019.8 1023.2 1029.4 1029.4 DAY 4 23 4 7 7 6 23 30 13 25 21 9 MIN. QFF PRESSURE IN HPA 1008.1 1005.5 1002.2 1000.8 997.2 993.9 985.3 995.5 996.8 1002.1 1010.4 1013.3 985.3 DAY 13 15 30 20 30 29 8 23 6 2 1 18 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.2 13.0 14.7 23.4 29.4 35.2 34.3 32.9 29.0 24.3 15.2 11.1 22.6 MINIMUN AIR TEMPERATURE (C) 0.4 4.4 6.6 13.0 18.0 22.5 24.3 24.7 20.1 13.1 7.7 1.6 13.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 5 23 31 31 15 0 0 0 105 DAYS WITH MINIMUM TEMP. <=-4 2 0 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH FREEZING MIN.<= 0 21 3 1 0 0 0 0 0 0 0 1 11 37 TEMPERATURE RECORDS LOWEST(C) -6.0 -3.0 0.0 7.0 13.0 18.5 21.5 22.0 10.0 10.0 0.0 -3.4 -6.0 DAY 3 2 19 13 13 1 14 16 30 6 30 7 MAXIMUM AIR TEMPERATURE (C) 13.6 17.6 19.4 27.8 33.6 39.9 38.5 37.0 34.1 30.1 20.9 17.7 27.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 7 28 30 31 31 26 18 0 0 171 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 19.0 23.0 26.5 32.5 38.0 44.0 44.5 40.0 38.5 33.5 29.0 22.0 44.5 DAY 16 20 27 29 20 29 7 30 2 13 1 10 DIF. BETWEEN (MAX.-MIN.) (C) 13.2 13.2 12.8 14.8 15.6 17.4 14.2 12.3 14.0 17.0 13.2 16.1 14.5 MEAN DAILY TEMP. (MDT) (C) 7.0 11.0 13.0 20.4 25.8 31.2 31.4 30.9 27.1 21.6 14.3 9.7 20.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 25.3 148.7 306.7 322.0 305.5 186.7 32.0 0.0 0.0 1327.0 HEATING DEG. DAYS(BASE 18 0C) 340.6 196.2 160.7 12.3 0.0 0.0 0.0 0.0 0.0 0.0 114.5 258.6 1083.0 DEWPOINT (MEAN C) -3.1 0.8 0.1 1.3 2.3 3.6 7.1 3.1 3.0 2.9 0.3 -2.8 1.6 MIXING RATIO (G/KG) 3.67 4.81 4.69 5.00 5.30 5.84 7.55 5.66 5.59 5.58 4.53 3.70 5.16 VAPOUR PRESSURE (HPA) 5.24 6.83 6.64 7.07 7.48 8.20 10.56 7.95 7.89 7.91 6.45 5.28 7.29 SATURATION DEF. (HPA) 6.21 8.90 11.00 22.85 34.71 50.28 45.31 42.96 33.62 23.93 11.59 8.71 25.01 RELATIVE HUMIDITY (MEAN %) 50 47 41 25 19 15 20 16 21 27 38 43 30 RELATIVE HUMIDITY (MAX. %) 76 71 59 39 29 21 27 25 32 39 51 74 45 RELATIVE HUMIDITY (MIN. %) 34 33 30 17 13 9 15 12 14 19 28 26 21 RELATIVE HUMIDITY (MEAN% 03UTC) 73 69 58 38 29 20 27 25 30 39 51 74 44 RELATIVE HUMIDITY (MEAN% 09UTC) 38 38 33 20 15 13 17 13 18 22 31 29 24 RELATIVE HUMIDITY (MEAN% 15UTC) 45 44 41 24 17 14 18 16 20 26 38 41 29 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 14.4 48.8 24.5 0.2 0.0 0.0 0.0 0.0 4.0 0.0 0.8 0.0 92.7 DAYS WITH PRECIPITATION >=10 0 2 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 0 2 2 0 0 0 0 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 1 4 7 6 0 0 0 0 0 2 0 0 0 19 DAYS WITH PRECIPITATION 6 7 7 4 0 0 1 0 2 0 1 0 28 GREATEST DAILY PRECIPITATION 4.0 26.0 7.0 0.2 0.0 0.0 0.0 0.0 3.0 0.0 0.8 0.0 26.0 DAY 11 6 2 30 ** ** ** ** 28 ** 9 ** DAY WITH THUNDER STORM 0 1 0 0 0 0 0 0 1 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 3 2 4 2 0 7 2 3 1 0 0 25 WIND DIRECTION (PREVAILING) 360 180 360 270 360 45 45 45 45 360 360 360 360 PREVAILING WIND SPEED(KNOTS) 13.2 13.6 11.4 11.3 15.8 12.8 14.0 16.2 12.3 11.9 13.3 8.1 12.8 PREVAILING WIND PERCENT 18.1 15.0 17.4 20.7 19.4 20.7 38.7 55.5 19.3 21.3 33.3 20.0 19.3 CALMS PERCENT OF WIND 43.9 40.7 38.7 21.3 20.6 36.7 24.5 8.4 64.7 41.9 34.0 60.6 36.3 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 344 183 349 297 326 348 23 28 26 316 344 343 355 VECTOR WIND MAGNITUDE(KNOTS) 2.6 3.3 0.5 5.2 7.1 3.2 7.4 13.2 3.2 2.6 3.8 1.9 3.3 WIND STEADINESES (MEAN %) 46.4 50.0 6.6 54.2 59.2 42.1 72.5 91.7 76.2 42.6 45.8 61.3 41.8 WIND SPEED (MEAN KNOTS) 5.6 6.6 7.6 9.6 12.0 7.6 10.2 14.4 4.2 6.1 8.3 3.1 7.9 FASTEST WIND DIRECTION 360 240 250 252 250 40 30 40 20 200 340 360 252 FASTEST WIND SPEED (KNOTS) 23 31 29 33 25 25 33 33 19 33 27 17 33 DAY 1 28 28 8 14 17 20 12 17 15 12 5 DAYS WITH SKY CLEAR (0-2)/8 15 12 13 16 28 29 19 31 29 29 18 24 263 DAYS WITH P.CLOUDY (3-6)/8 11 11 9 12 3 1 11 0 1 2 10 3 74 DAYS WITH CLOUDY (7-8)/8 5 5 9 2 0 0 1 0 0 0 2 4 28 DAYS WITH VISIBILITY =< 2 KM 0 1 0 0 0 0 0 0 0 0 0 0 1 DURATION OF SUNSHINE HOURS 189.4 206.2 194.5 275.9 345.8 341.0 314.6 353.1 317.2 303.2 210.8 244.1 3295.8 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 893.1 890.4 888.1 887.5 885.7 882.3 880.8 883.5 886.0 890.4 892.1 895.1 887.9 MAX. QFE PRESSURE IN HPA 899.8 897.2 894.9 892.8 891.1 888.8 885.6 889.9 894.5 894.1 898.6 902.8 902.8 DAY-HOUR 22-15 12- 6 19- 6 1- 6 12- 6 1- 6 19- 6 20- 6 30- 6 11- 6 14- 6 6- 6 MIN. QFE PRESSURE IN HPA 884.3 881.5 881.8 880.7 878.8 873.6 876.6 878.7 881.4 886.9 884.9 886.8 873.6 DAY-HOUR 19- 3 21- 3 3- 3 9- 3 21- 3 25-15 10-15 7-12 15-15 25-12 1-12 17-12 MEAN QNH PRESSURE IN HPA 1020.8 1017.8 1015.3 1014.6 1012.6 1008.8 1007.2 1010.1 1013.0 1017.8 1019.8 1023.1 1015.1 MAX. QNH PRESSURE IN HPA 1028.3 1025.4 1022.9 1020.5 1018.6 1016.1 1012.5 1017.3 1022.4 1022.0 1027.0 1031.7 1031.7 DAY-HOUR 22-15 12- 6 19- 6 1- 6 12- 6 1- 6 19- 6 20- 6 30- 6 11- 6 14- 6 6- 6 MIN. QNH PRESSURE IN HPA 1011.0 1007.9 1008.3 1007.0 1004.9 999.1 1002.5 1004.8 1007.8 1013.9 1011.7 1013.8 999.1 DAY-HOUR 19- 3 21- 3 3- 3 9- 3 21- 3 25-15 10-15 7-12 15-15 25-12 1-12 17-12 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 893.2 890.7 888.3 888.1 886.4 883.4 881.7 884.3 886.2 891.0 892.3 895.5 888.4 MAX. QFE PRESSURE IN HPA 897.7 896.3 893.9 892.0 890.4 888.4 885.5 889.3 893.4 892.8 896.9 901.4 901.4 DAY 7 12 31 1 27 1 19 20 30 10 14 6 MIN. QFE PRESSURE IN HPA 884.3 881.5 881.8 880.7 878.8 877.4 879.1 880.4 883.8 888.0 887.8 888.1 877.4 DAY 19 21 3 9 21 26 11 7 16 25 1 17 MEAN QNH PRESSURE IN HPA 1020.9 1018.2 1015.5 1015.3 1013.4 1010.0 1008.1 1011.0 1013.2 1018.5 1019.9 1023.5 1015.6 MAX. QNH PRESSURE IN HPA 1026.0 1024.4 1021.8 1019.6 1017.9 1015.6 1012.4 1016.6 1021.2 1020.5 1025.1 1030.1 1030.1 DAY 7 12 31 1 27 1 19 20 30 10 14 6 MIN. QNH PRESSURE IN HPA 1011.0 1007.9 1008.3 1007.0 1004.9 1003.4 1005.3 1006.7 1010.5 1015.2 1015.0 1015.3 1003.4 DAY 19 21 3 9 21 26 11 7 16 25 1 17 MEAN QFF PRESSURE IN HPA 1022.3 1017.1 1013.4 1009.6 1004.8 999.2 997.1 1000.9 1004.7 1013.0 1018.2 1024.4 1010.4 MAX. QFF PRESSURE IN HPA 1030.6 1024.3 1022.0 1017.3 1010.5 1005.8 1002.7 1007.4 1016.6 1016.0 1026.0 1031.0 1031.0 DAY 3 1 19 12 12 1 19 20 30 10 30 6 MIN. QFF PRESSURE IN HPA 1010.6 1002.6 1005.6 999.3 994.2 991.7 992.9 995.8 1001.2 1009.8 1010.2 1014.6 991.7 DAY 19 21 3 9 21 26 10 7 1 25 1 17 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 894.1 891.8 889.3 888.9 886.9 883.5 882.2 884.8 886.6 891.9 893.5 896.4 889.2 MAX. QFE PRESSURE IN HPA 898.9 897.2 894.9 892.8 891.1 888.8 885.6 889.9 894.5 894.1 898.6 902.8 902.8 DAY 2 12 19 1 12 1 19 20 30 11 14 6 MIN. QFE PRESSURE IN HPA 886.0 882.7 883.2 882.1 879.4 876.6 879.2 880.9 883.1 889.3 888.6 889.2 876.6 DAY 19 21 3 9 21 25 11 7 16 25 1 17 MEAN QNH PRESSURE IN HPA 1022.0 1019.4 1016.7 1016.1 1013.9 1010.2 1008.7 1011.6 1013.6 1019.6 1021.3 1024.5 1016.5 MAX. QNH PRESSURE IN HPA 1027.3 1025.4 1022.9 1020.5 1018.6 1016.1 1012.5 1017.3 1022.4 1022.0 1027.0 1031.7 1031.7 DAY 2 12 19 1 12 1 19 20 30 11 14 6 MIN. QNH PRESSURE IN HPA 1012.9 1009.3 1009.8 1008.6 1005.6 1002.5 1005.4 1007.3 1009.7 1016.6 1015.8 1016.5 1002.5 DAY 19 21 3 9 21 25 11 7 16 25 1 17 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 893.3 890.7 888.2 887.8 885.8 882.4 881.1 883.6 886.2 890.3 891.9 894.9 888.0 MAX. QFE PRESSURE IN HPA 898.1 895.3 894.4 891.6 890.5 887.6 884.9 889.1 892.7 892.7 897.3 899.9 899.9 DAY 2 12 19 1 12 1 28 20 29 27 14 6 MIN. QFE PRESSURE IN HPA 886.1 881.7 881.8 883.0 878.9 875.0 878.8 879.7 882.6 887.4 886.1 887.5 875.0 DAY 19 6 3 9 21 25 16 7 16 25 1 17 MEAN QNH PRESSURE IN HPA 1021.0 1018.2 1015.4 1015.0 1012.7 1008.9 1007.5 1010.3 1013.2 1017.7 1019.5 1022.9 1015.2 MAX. QNH PRESSURE IN HPA 1026.4 1023.3 1022.3 1019.2 1018.0 1014.7 1011.7 1016.4 1020.4 1020.4 1025.5 1028.4 1028.4 DAY 2 12 19 1 12 1 28 20 29 27 14 6 MIN. QNH PRESSURE IN HPA 1013.1 1008.1 1008.3 1009.6 1005.0 1000.7 1004.9 1005.9 1009.2 1014.5 1013.1 1014.6 1000.7 DAY 19 6 3 9 21 25 16 7 16 25 1 17 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 892.3 889.4 886.9 886.4 884.7 881.3 879.7 882.4 885.6 889.2 890.9 894.0 886.9 MAX. QFE PRESSURE IN HPA 898.7 894.4 893.8 889.5 889.3 886.6 883.1 887.7 891.1 891.7 896.4 899.7 899.7 DAY 22 12 19 11 6 1 28 20 30 27 30 6 MIN. QFE PRESSURE IN HPA 886.2 882.0 882.2 881.4 879.1 874.0 877.0 878.7 881.9 886.9 884.9 886.8 874.0 DAY 10 6 3 8 21 25 12 7 15 25 1 17 MEAN QNH PRESSURE IN HPA 1019.9 1016.7 1014.0 1013.4 1011.5 1007.7 1006.0 1008.9 1012.5 1016.5 1018.4 1021.9 1014.0 MAX. QNH PRESSURE IN HPA 1027.1 1022.3 1021.6 1016.8 1016.6 1013.6 1009.7 1014.8 1018.6 1019.3 1024.5 1028.2 1028.2 DAY 22 12 19 11 6 1 28 20 30 27 30 6 MIN. QNH PRESSURE IN HPA 1013.2 1008.5 1008.7 1007.8 1005.3 999.6 1002.9 1004.8 1008.4 1013.9 1011.7 1013.8 999.6 DAY 10 6 3 8 21 25 12 7 15 25 1 17 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 892.6 889.5 887.8 886.3 884.7 881.1 879.6 882.4 885.5 889.7 892.2 894.8 887.2 MAX. QFE PRESSURE IN HPA 899.8 895.3 894.1 889.9 889.1 886.7 882.8 887.3 891.7 892.4 897.3 899.0 899.8 DAY 22 12 19 12 27 1 18 19 30 27 14 6 MIN. QFE PRESSURE IN HPA 887.2 882.5 882.7 880.8 879.7 873.6 876.6 878.7 881.4 887.6 885.9 888.4 873.6 DAY 19 6 2 14 4 25 10 7 15 22 1 17 MEAN QNH PRESSURE IN HPA 1020.3 1016.9 1014.9 1013.3 1011.5 1007.5 1005.8 1008.9 1012.4 1017.0 1019.9 1022.7 1014.2 MAX. QNH PRESSURE IN HPA 1028.3 1023.3 1022.0 1017.3 1016.4 1013.7 1009.4 1014.4 1019.3 1020.1 1025.5 1027.4 1028.3 DAY 22 12 19 12 27 1 18 19 30 27 14 6 MIN. QNH PRESSURE IN HPA 1014.3 1009.0 1009.3 1007.1 1005.9 999.1 1002.5 1004.8 1007.8 1014.7 1012.8 1015.6 999.1 DAY 19 6 2 14 4 25 10 7 15 22 1 17 MEAN QFF PRESSURE IN HPA 1021.7 1015.6 1012.8 1007.4 1002.8 996.6 994.7 998.6 1003.9 1011.4 1018.3 1023.4 1008.9 MAX. QFF PRESSURE IN HPA 1030.9 1022.4 1023.2 1015.0 1008.5 1003.1 999.6 1004.6 1014.4 1016.3 1027.5 1028.6 1030.9 DAY 3 1 19 11 12 1 28 20 30 27 30 5 MIN. QFF PRESSURE IN HPA 1015.0 1006.4 1006.4 1000.6 996.4 986.9 989.9 994.1 998.3 1008.5 1007.4 1014.8 986.9 DAY 19 20 21 14 14 25 10 6 1 22 1 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.6 10.6 15.4 26.6 33.3 33.1 32.6 32.2 30.1 23.4 13.6 10.7 22.5 MINIMUN AIR TEMPERATURE (C) 0.5 3.2 6.0 18.1 21.2 21.7 23.5 23.9 21.2 12.9 5.7 3.8 13.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 11 19 17 27 31 19 0 0 0 124 DAYS WITH MINIMUM TEMP. <=-4 6 0 0 0 0 0 0 0 0 0 0 0 6 DAYS WITH FREEZING MIN.<= 0 16 3 3 0 0 0 0 0 0 0 2 7 31 TEMPERATURE RECORDS LOWEST(C) -8.5 -3.0 -1.0 8.0 19.0 17.0 19.0 21.0 15.5 9.0 -1.0 -3.0 -8.5 DAY 15 10 4 3 1 14 20 20 27 7 13 31 MAXIMUM AIR TEMPERATURE (C) 13.5 15.4 20.7 31.6 37.4 37.5 37.0 36.3 35.2 28.8 18.4 16.3 27.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 22 31 30 31 31 30 15 0 0 191 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 20.5 21.5 31.0 35.0 40.5 43.0 40.0 39.0 39.0 32.0 28.5 21.5 43.0 DAY 1 26 24 11 27 28 7 3 4 1 2 1 DIF. BETWEEN (MAX.-MIN.) (C) 13.0 12.2 14.7 13.5 16.2 15.8 13.5 12.4 14.0 15.9 12.7 12.5 13.9 MEAN DAILY TEMP. (MDT) (C) 7.0 9.3 13.3 24.9 29.3 29.6 30.3 30.1 28.2 20.8 12.1 10.1 20.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 5.3 126.7 258.7 258.6 287.0 281.1 216.5 22.0 0.0 0.0 1455.9 HEATING DEG. DAYS(BASE 18 0C) 340.5 251.2 159.5 0.8 0.0 0.0 0.0 0.0 0.0 3.8 188.8 246.2 1190.8 DEWPOINT (MEAN C) -2.0 -3.8 -5.9 1.2 5.2 3.1 3.8 2.3 3.2 -0.3 -2.0 -1.2 0.3 MIXING RATIO (G/KG) 4.05 3.38 3.02 5.41 7.12 6.38 5.81 5.37 5.54 4.38 3.96 4.07 4.87 VAPOUR PRESSURE (HPA) 5.75 4.81 4.29 7.63 9.98 8.92 8.16 7.55 7.82 6.23 5.64 5.80 6.88 SATURATION DEF. (HPA) 6.19 8.60 14.50 28.72 42.48 43.34 42.08 41.50 36.23 23.91 11.05 7.64 25.52 RELATIVE HUMIDITY (MEAN %) 52 40 26 22 21 19 17 16 19 23 39 48 29 RELATIVE HUMIDITY (MAX. %) 70 65 45 34 34 27 26 25 27 37 58 72 43 RELATIVE HUMIDITY (MIN. %) 37 22 16 15 14 13 12 12 14 15 26 33 19 RELATIVE HUMIDITY (MEAN% 03UTC) 69 65 43 34 34 27 26 24 27 37 57 71 43 RELATIVE HUMIDITY (MEAN% 09UTC) 45 34 19 17 17 15 14 13 16 17 28 38 23 RELATIVE HUMIDITY (MEAN% 15UTC) 48 28 25 20 18 16 15 14 18 24 39 48 26 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 22.7 0.0 3.0 0.4 0.0 0.0 0.0 0.0 0.0 0.0 8.4 11.3 45.8 DAYS WITH PRECIPITATION >=10 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 1 0 0 0 0 0 0 0 0 0 1 1 3 DAYS WITH PRECIPITATION >= 1 4 0 1 0 0 0 0 0 0 0 2 3 10 DAYS WITH PRECIPITATION 5 2 1 1 0 0 0 0 1 1 5 6 22 GREATEST DAILY PRECIPITATION 12.0 0.0 3.0 0.4 0.0 0.0 0.0 0.0 0.0 0.0 5.4 6.5 12.0 DAY 30 ** 27 19 ** ** ** ** ** ** 10 27 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 0 5 1 0 3 5 2 0 0 0 0 17 WIND DIRECTION (PREVAILING) 315 360 225 360 360 360 45 45 45 360 360 180 360 PREVAILING WIND SPEED(KNOTS) 13.5 12.6 10.1 9.1 11.2 11.7 18.2 16.2 14.3 12.0 13.0 7.2 12.2 PREVAILING WIND PERCENT 16.1 16.6 14.2 34.0 20.0 22.7 43.9 71.6 34.7 16.1 16.7 13.5 18.0 CALMS PERCENT OF WIND 49.7 40.0 29.0 20.7 29.0 32.7 5.8 5.2 18.0 51.0 54.0 70.3 33.8 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 264 305 281 320 309 15 28 34 46 320 349 200 6 VECTOR WIND MAGNITUDE(KNOTS) 1.6 3.6 2.3 4.3 3.4 4.9 12.0 13.5 6.1 2.9 2.4 0.8 3.5 WIND STEADINESES (MEAN %) 24.2 48.0 30.7 57.3 45.9 60.5 74.5 93.8 59.8 56.9 42.9 32.0 42.7 WIND SPEED (MEAN KNOTS) 6.6 7.5 7.5 7.5 7.4 8.1 16.1 14.4 10.2 5.1 5.6 2.5 8.2 FASTEST WIND DIRECTION 330 350 180 360 40 200 20 30 30 350 320 360 20 FASTEST WIND SPEED (KNOTS) 27 31 29 27 23 29 37 31 25 21 29 19 37 DAY 8 3 24 12 3 30 31 1 19 3 6 4 DAYS WITH SKY CLEAR (0-2)/8 15 22 17 19 26 30 31 31 26 27 13 17 274 DAYS WITH P.CLOUDY (3-6)/8 8 6 8 11 5 0 0 0 4 4 11 10 67 DAYS WITH CLOUDY (7-8)/8 8 1 6 0 0 0 0 0 0 0 6 4 25 DAYS WITH VISIBILITY =< 2 KM 0 0 1 0 0 1 0 0 0 0 0 0 2 DURATION OF SUNSHINE HOURS 214.6 249.6 238.2 274.1 354.3 360.6 378.7 371.7 298.8 294.1 212.4 200.4 3447.5 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 890.8 890.7 888.2 887.3 883.8 882.4 882.8 883.8 886.0 891.0 893.4 892.8 887.7 MAX. QFE PRESSURE IN HPA 899.6 896.5 894.7 893.3 890.5 888.7 887.7 888.5 892.2 895.9 903.3 899.1 903.3 DAY-HOUR 31- 6 14- 6 4- 6 3- 6 6- 6 3- 6 26- 6 23- 6 29- 6 7- 3 17- 6 18- 6 MIN. QFE PRESSURE IN HPA 883.5 878.9 879.4 882.6 878.0 876.0 878.0 878.6 876.7 885.3 884.0 883.7 876.0 DAY-HOUR 21- 3 7-12 2-15 21-15 27-15 25-15 9-12 3-15 1-12 1-12 6-12 15-12 MEAN QNH PRESSURE IN HPA 1018.3 1018.2 1015.4 1014.4 1010.5 1008.9 1009.4 1010.5 1013.0 1018.6 1021.2 1020.5 1014.9 MAX. QNH PRESSURE IN HPA 1028.1 1024.7 1022.6 1021.1 1018.0 1016.0 1014.8 1015.7 1019.9 1024.0 1032.2 1027.5 1032.2 DAY-HOUR 31- 6 14- 6 4- 6 3- 6 6- 6 3- 6 26- 6 23- 6 29- 6 7- 3 17- 6 18- 6 MIN. QNH PRESSURE IN HPA 1010.2 1005.0 1005.6 1009.2 1004.0 1001.8 1004.0 1004.7 1002.6 1012.2 1010.7 1010.4 1001.8 DAY-HOUR 21- 3 7-12 2-15 21-15 27-15 25-15 9-12 3-15 1-12 1-12 6-12 15-12 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 891.1 890.9 888.5 888.0 884.7 882.8 883.2 884.7 886.8 891.8 893.8 892.9 888.3 MAX. QFE PRESSURE IN HPA 898.5 895.9 893.1 892.7 890.1 887.3 887.3 888.3 891.0 895.9 901.0 898.1 901.0 DAY 31 16 4 3 6 3 31 23 26 7 17 17 MIN. QFE PRESSURE IN HPA 883.5 883.4 883.8 885.1 880.4 877.2 878.6 881.1 879.3 886.7 886.6 886.1 877.2 DAY 21 7 14 23 27 25 10 31 1 2 6 15 MEAN QNH PRESSURE IN HPA 1018.6 1018.4 1015.7 1015.2 1011.5 1009.4 1009.9 1011.5 1013.8 1019.4 1021.7 1020.6 1015.5 MAX. QNH PRESSURE IN HPA 1026.9 1024.0 1020.9 1020.4 1017.5 1014.4 1014.4 1015.5 1018.5 1024.0 1029.7 1026.4 1029.7 DAY 31 16 4 3 6 3 31 23 26 7 17 17 MIN. QNH PRESSURE IN HPA 1010.2 1010.0 1010.5 1011.9 1006.7 1003.1 1004.7 1007.5 1005.5 1013.7 1013.6 1013.1 1003.1 DAY 21 7 14 23 27 25 10 31 1 2 6 15 MEAN QFF PRESSURE IN HPA 1020.1 1018.4 1014.0 1008.3 1001.2 999.0 999.4 1001.5 1005.1 1014.3 1020.7 1020.9 1010.2 MAX. QFF PRESSURE IN HPA 1029.5 1025.3 1022.7 1017.8 1008.3 1006.3 1005.5 1005.9 1011.4 1019.7 1031.4 1029.3 1031.4 DAY 31 10 4 3 6 16 26 23 30 7 17 18 MIN. QFF PRESSURE IN HPA 1009.6 1008.5 1005.3 1003.2 995.3 990.8 992.8 997.1 995.1 1006.5 1008.8 1012.1 990.8 DAY 21 26 25 23 20 25 10 4 1 2 6 15 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 892.1 891.4 889.8 888.7 885.2 883.6 883.4 885.1 887.5 892.3 894.6 893.7 888.9 MAX. QFE PRESSURE IN HPA 899.6 896.5 894.7 893.3 890.5 888.7 887.7 888.5 892.2 895.9 903.3 899.1 903.3 DAY 31 14 4 3 6 3 26 23 29 7 17 18 MIN. QFE PRESSURE IN HPA 885.0 882.7 884.7 885.9 881.2 877.9 879.8 881.2 880.0 887.2 887.3 885.8 877.9 DAY 21 7 14 21 20 25 9 31 1 2 6 15 MEAN QNH PRESSURE IN HPA 1019.7 1018.9 1017.2 1016.0 1012.1 1010.2 1010.1 1012.0 1014.6 1020.0 1022.5 1021.5 1016.2 MAX. QNH PRESSURE IN HPA 1028.1 1024.7 1022.6 1021.1 1018.0 1016.0 1014.8 1015.7 1019.9 1024.0 1032.2 1027.5 1032.2 DAY 31 14 4 3 6 3 26 23 29 7 17 18 MIN. QNH PRESSURE IN HPA 1011.8 1009.3 1011.5 1012.8 1007.6 1003.9 1006.0 1007.6 1006.3 1014.3 1014.4 1012.7 1003.9 DAY 21 7 14 21 20 25 9 31 1 2 6 15 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 890.6 890.7 888.5 887.5 884.0 882.8 883.1 883.8 886.1 890.6 893.1 892.8 887.8 MAX. QFE PRESSURE IN HPA 898.4 895.6 892.0 892.0 889.1 888.4 886.5 888.2 890.4 894.3 901.5 898.3 901.5 DAY 31 10 4 3 4 16 30 23 29 7 17 17 MIN. QFE PRESSURE IN HPA 883.6 880.3 883.9 884.2 880.1 877.3 879.0 879.7 878.4 885.9 884.3 883.9 877.3 DAY 21 7 9 21 27 26 9 31 1 2 6 15 MEAN QNH PRESSURE IN HPA 1018.1 1018.2 1015.7 1014.6 1010.7 1009.4 1009.7 1010.5 1013.1 1018.1 1020.8 1020.5 1014.9 MAX. QNH PRESSURE IN HPA 1026.8 1023.6 1019.6 1019.6 1016.4 1015.6 1013.5 1015.4 1017.9 1022.2 1030.2 1026.7 1030.2 DAY 31 10 4 3 4 16 30 23 29 7 17 17 MIN. QNH PRESSURE IN HPA 1010.3 1006.6 1010.6 1010.9 1006.4 1003.2 1005.1 1005.9 1004.5 1012.8 1011.0 1010.6 1003.2 DAY 21 7 9 21 27 26 9 31 1 2 6 15 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 889.8 890.1 887.0 886.1 882.6 881.6 882.3 882.7 884.9 889.8 892.3 892.1 886.8 MAX. QFE PRESSURE IN HPA 895.9 894.6 890.0 890.5 887.1 886.6 885.7 886.9 889.5 893.2 900.6 898.3 900.6 DAY 31 10 16 3 6 16 21 23 29 7 17 17 MIN. QFE PRESSURE IN HPA 883.5 878.9 880.6 883.0 878.8 876.1 878.0 878.9 876.7 885.3 884.0 883.7 876.1 DAY 21 7 2 23 27 26 9 31 1 1 6 15 MEAN QNH PRESSURE IN HPA 1017.1 1017.6 1014.0 1013.0 1009.1 1008.0 1008.8 1009.3 1011.7 1017.2 1020.0 1019.8 1013.8 MAX. QNH PRESSURE IN HPA 1024.0 1022.5 1017.4 1018.0 1014.2 1013.6 1012.6 1013.9 1016.8 1021.0 1029.2 1026.7 1029.2 DAY 31 10 16 3 6 16 21 23 29 7 17 17 MIN. QNH PRESSURE IN HPA 1010.2 1005.0 1006.9 1009.6 1004.9 1001.9 1004.0 1005.0 1002.6 1012.2 1010.7 1010.4 1001.9 DAY 21 7 2 23 27 26 9 31 1 1 6 15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 890.4 890.5 887.3 886.5 882.5 881.1 882.2 882.7 885.0 890.8 893.1 892.4 887.0 MAX. QFE PRESSURE IN HPA 895.8 895.3 891.2 890.5 887.0 886.0 886.2 886.9 889.5 894.6 901.4 897.9 901.4 DAY 25 10 3 3 4 16 30 23 29 7 17 17 MIN. QFE PRESSURE IN HPA 883.5 880.5 879.4 882.6 878.0 876.0 878.3 878.6 877.0 885.8 885.5 884.9 876.0 DAY 21 7 2 21 27 25 8 3 1 1 6 15 MEAN QNH PRESSURE IN HPA 1017.9 1017.9 1014.3 1013.5 1009.0 1007.4 1008.7 1009.3 1011.9 1018.3 1020.8 1020.1 1014.1 MAX. QNH PRESSURE IN HPA 1023.9 1023.3 1018.7 1018.0 1014.1 1012.9 1013.2 1013.9 1016.8 1022.5 1030.1 1026.2 1030.1 DAY 25 10 3 3 4 16 30 23 29 7 17 17 MIN. QNH PRESSURE IN HPA 1010.2 1006.8 1005.6 1009.2 1004.0 1001.8 1004.4 1004.7 1002.9 1012.7 1012.4 1011.7 1001.8 DAY 21 7 2 21 27 25 8 3 1 1 6 15 MEAN QFF PRESSURE IN HPA 1019.4 1017.9 1012.5 1006.5 998.7 997.0 998.4 999.3 1003.2 1013.3 1019.9 1020.3 1008.9 MAX. QFF PRESSURE IN HPA 1026.8 1025.6 1019.5 1014.6 1005.1 1005.1 1002.9 1004.5 1009.1 1018.5 1032.7 1028.6 1032.7 DAY 14 10 3 3 3 16 26 23 29 6 17 18 MIN. QFF PRESSURE IN HPA 1010.1 1006.3 1003.7 1001.0 992.6 989.4 993.0 993.4 992.5 1005.0 1009.7 1011.0 989.4 DAY 21 7 2 21 27 25 8 3 1 1 6 15 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 7.9 11.2 16.6 26.8 31.7 34.3 34.9 33.1 29.7 24.3 16.5 13.3 23.4 MINIMUN AIR TEMPERATURE (C) -1.1 1.6 7.8 16.0 21.6 25.6 26.0 24.5 21.2 14.7 7.3 5.4 14.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 3 20 30 31 31 18 1 0 0 134 DAYS WITH MINIMUM TEMP. <=-4 4 2 0 0 0 0 0 0 0 0 0 0 6 DAYS WITH FREEZING MIN.<= 0 22 10 1 0 0 0 0 0 0 0 1 2 36 TEMPERATURE RECORDS LOWEST(C) -10.0 -6.0 -1.0 11.5 17.0 22.5 21.5 21.0 15.0 9.0 -1.0 -1.5 -10.0 DAY 29 1 12 1 8 4 30 15 15 28 21 23 MAXIMUM AIR TEMPERATURE (C) 13.2 17.1 22.8 31.5 36.2 38.8 39.6 37.7 34.3 30.3 21.9 17.8 28.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 26 31 30 31 31 26 22 0 0 197 DAYS WITH MAXIMUM TEMP. <= 0 1 0 0 0 0 0 0 0 0 0 0 0 1 TEMPERATURE RECORDS HIGHEST(C) 19.0 24.0 29.0 36.0 40.0 43.0 44.0 40.0 39.5 33.5 28.5 22.0 44.0 DAY 4 21 31 28 17 10 14 26 7 2 7 5 DIF. BETWEEN (MAX.-MIN.) (C) 14.3 15.5 15.0 15.5 14.6 13.2 13.6 13.2 13.1 15.6 14.6 12.4 14.2 MEAN DAILY TEMP. (MDT) (C) 6.1 9.4 15.3 23.8 28.9 32.2 32.8 31.1 27.8 22.5 14.6 11.6 21.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 1.6 87.0 245.1 336.5 365.2 312.2 203.0 53.0 0.0 0.0 1603.8 HEATING DEG. DAYS(BASE 18 0C) 370.4 242.0 99.8 0.0 0.0 0.0 0.0 0.0 0.0 0.5 105.3 198.0 1015.9 DEWPOINT (MEAN C) -4.9 -5.6 1.8 -2.4 3.6 7.1 5.6 4.4 3.6 1.6 -1.2 3.1 1.4 MIXING RATIO (G/KG) 3.03 2.99 5.12 3.87 5.79 7.72 6.74 6.16 5.80 4.97 4.11 5.53 5.15 VAPOUR PRESSURE (HPA) 4.33 4.25 7.26 5.47 8.15 10.78 9.43 8.67 8.18 7.06 5.85 7.87 7.27 SATURATION DEF. (HPA) 7.10 9.94 13.08 30.89 39.96 44.97 47.92 43.27 35.30 24.84 13.99 7.92 26.60 RELATIVE HUMIDITY (MEAN %) 44 34 40 16 18 20 17 18 21 24 32 54 28 RELATIVE HUMIDITY (MAX. %) 70 53 54 28 28 29 25 25 34 38 49 77 43 RELATIVE HUMIDITY (MIN. %) 29 19 31 9 13 15 13 12 14 16 22 38 19 RELATIVE HUMIDITY (MEAN% 03UTC) 70 52 53 28 28 29 24 24 34 38 48 76 42 RELATIVE HUMIDITY (MEAN% 09UTC) 32 26 33 11 15 18 15 15 15 19 24 40 22 RELATIVE HUMIDITY (MEAN% 15UTC) 41 35 38 17 16 18 15 17 19 21 33 57 27 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 3.0 2.0 10.9 0.0 0.6 0.0 0.0 0.0 0.0 0.0 1.0 10.3 27.8 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 0 0 1 0 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 1 1 1 2 0 0 0 0 0 0 0 1 2 7 DAYS WITH PRECIPITATION 1 1 4 0 1 0 0 0 0 1 2 8 18 GREATEST DAILY PRECIPITATION 3.0 2.0 7.0 0.0 0.6 0.0 0.0 0.0 0.0 0.0 1.0 4.9 7.0 DAY 28 22 11 ** 5 ** ** ** ** ** 30 15 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 5 3 0 4 3 10 5 1 4 6 1 43 WIND DIRECTION (PREVAILING) 315 180 225 270 45 45 45 45 360 225 360 180 45 PREVAILING WIND SPEED(KNOTS) 9.1 13.1 13.3 9.5 13.1 16.0 17.5 14.9 10.0 11.6 11.0 10.2 15.2 PREVAILING WIND PERCENT 10.3 9.3 11.6 25.3 21.9 50.7 54.2 56.8 38.0 21.3 18.0 9.0 18.9 CALMS PERCENT OF WIND 64.5 61.4 57.4 34.7 16.8 15.3 9.7 14.2 20.7 24.5 31.3 60.0 34.1 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 304 231 280 285 344 38 30 32 357 283 245 202 5 VECTOR WIND MAGNITUDE(KNOTS) 1.6 2.0 2.5 2.7 4.4 8.8 11.4 10.3 5.4 2.5 2.0 0.6 2.9 WIND STEADINESES (MEAN %) 47.1 41.7 43.9 39.1 44.9 71.0 81.4 83.1 62.8 27.8 26.3 15.4 35.4 WIND SPEED (MEAN KNOTS) 3.4 4.8 5.7 6.9 9.8 12.4 14.0 12.4 8.6 9.0 7.6 3.9 8.2 FASTEST WIND DIRECTION 30 170 240 280 30 40 60 360 340 40 180 350 240 FASTEST WIND SPEED (KNOTS) 23 29 39 29 31 29 35 25 21 23 29 19 39 DAY 25 4 10 30 26 26 9 3 22 10 17 3 DAYS WITH SKY CLEAR (0-2)/8 15 19 18 24 23 23 31 31 28 26 20 15 273 DAYS WITH P.CLOUDY (3-6)/8 14 6 8 6 7 6 0 0 2 5 9 11 74 DAYS WITH CLOUDY (7-8)/8 2 3 5 0 1 1 0 0 0 0 1 5 18 DAYS WITH VISIBILITY =< 2 KM 0 0 1 0 0 0 1 0 0 0 0 0 2 DURATION OF SUNSHINE HOURS 245.0 231.6 260.1 303.5 332.7 333.0 364.5 359.7 301.0 307.4 242.1 202.0 3482.6 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 892.5 890.0 889.2 887.1 884.1 881.2 880.8 884.3 886.8 890.6 892.6 894.2 887.8 MAX. QFE PRESSURE IN HPA 898.5 898.2 899.4 894.6 888.8 888.6 887.4 890.2 894.6 897.6 898.4 901.9 901.9 DAY-HOUR 30- 6 9- 6 13- 6 1- 6 12- 6 2- 6 29- 6 14- 6 22- 6 10- 9 20- 6 18- 6 MIN. QFE PRESSURE IN HPA 885.5 876.0 877.7 880.7 876.8 876.3 874.4 878.5 881.3 885.8 884.3 886.1 874.4 DAY-HOUR 27-15 21-15 26-12 17-12 26-12 11-12 18-12 27-12 6-12 2-12 17-12 5-12 MEAN QNH PRESSURE IN HPA 1020.2 1017.4 1016.5 1014.1 1010.9 1007.6 1007.2 1011.0 1013.8 1018.1 1020.3 1022.1 1014.9 MAX. QNH PRESSURE IN HPA 1026.9 1026.5 1027.9 1022.5 1016.1 1015.8 1014.5 1017.6 1022.5 1025.9 1026.8 1030.7 1030.7 DAY-HOUR 30- 6 9- 6 13- 6 1- 6 12- 6 2- 6 29- 6 14- 6 22- 6 10- 9 20- 6 18- 6 MIN. QNH PRESSURE IN HPA 1012.4 1001.8 1003.7 1007.0 1002.7 1002.1 1000.0 1004.6 1007.7 1012.7 1011.0 1013.1 1000.0 DAY-HOUR 27-15 21-15 26-12 17-12 26-12 11-12 18-12 27-12 6-12 2-12 17-12 5-12 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 892.8 890.5 889.3 887.8 884.9 882.0 881.7 885.0 887.4 891.1 893.1 894.4 888.3 MAX. QFE PRESSURE IN HPA 897.9 897.0 898.5 894.1 888.5 887.6 886.8 889.8 893.7 895.8 897.7 901.0 901.0 DAY 30 10 13 2 12 3 29 14 23 10 21 18 MIN. QFE PRESSURE IN HPA 886.4 881.4 878.5 882.1 879.7 878.7 876.5 880.6 882.5 888.0 887.6 888.4 876.5 DAY 20 21 26 10 26 10 18 31 1 2 12 5 MEAN QNH PRESSURE IN HPA 1020.5 1017.9 1016.7 1015.0 1011.7 1008.5 1008.2 1011.8 1014.5 1018.7 1020.8 1022.3 1015.6 MAX. QNH PRESSURE IN HPA 1026.2 1025.2 1026.9 1022.0 1015.7 1014.7 1013.8 1017.2 1021.5 1023.9 1026.0 1029.7 1029.7 DAY 30 10 13 2 12 3 29 14 23 10 21 18 MIN. QNH PRESSURE IN HPA 1013.4 1007.8 1004.6 1008.6 1005.9 1004.8 1002.4 1006.9 1009.0 1015.2 1014.7 1015.6 1002.4 DAY 20 21 26 10 26 10 18 31 1 2 12 5 MEAN QFF PRESSURE IN HPA 1022.2 1018.6 1014.3 1008.0 1002.2 997.7 997.2 1001.7 1006.0 1012.9 1018.6 1021.3 1010.1 MAX. QFF PRESSURE IN HPA 1033.1 1028.3 1028.3 1016.3 1007.3 1004.5 1004.1 1008.4 1015.8 1018.8 1026.8 1031.2 1033.1 DAY 30 1 13 3 1 3 30 14 23 11 21 18 MIN. QFF PRESSURE IN HPA 1013.3 1004.9 1000.4 1001.2 995.6 992.7 990.9 995.2 997.7 1007.3 1010.7 1013.6 990.9 DAY 20 21 26 10 26 29 18 31 7 2 1 6 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 893.8 891.1 889.9 888.7 885.5 882.5 882.0 885.7 888.0 892.0 894.0 895.6 889.1 MAX. QFE PRESSURE IN HPA 898.5 898.2 899.4 894.6 888.8 888.6 887.4 890.2 894.6 896.8 898.4 901.9 901.9 DAY 30 9 13 1 12 2 29 14 22 10 20 18 MIN. QFE PRESSURE IN HPA 887.6 881.4 879.4 883.5 880.6 879.4 876.5 881.1 883.4 889.0 888.2 889.3 876.5 DAY 20 22 26 10 26 10 18 27 5 1 17 5 MEAN QNH PRESSURE IN HPA 1021.6 1018.7 1017.3 1015.9 1012.4 1009.1 1008.5 1012.6 1015.2 1019.7 1021.9 1023.6 1016.4 MAX. QNH PRESSURE IN HPA 1026.9 1026.5 1027.9 1022.5 1016.1 1015.8 1014.5 1017.6 1022.5 1025.0 1026.8 1030.7 1030.7 DAY 30 9 13 1 12 2 29 14 22 10 20 18 MIN. QNH PRESSURE IN HPA 1014.7 1007.8 1005.6 1010.2 1006.9 1005.6 1002.4 1007.5 1010.0 1016.3 1015.4 1016.6 1002.4 DAY 20 22 26 10 26 10 18 27 5 1 17 5 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 892.7 890.1 889.3 887.2 884.6 881.3 881.0 884.4 886.8 890.7 892.3 893.8 887.8 MAX. QFE PRESSURE IN HPA 896.9 896.9 898.3 894.6 888.2 888.1 885.7 888.4 893.4 897.6 897.3 899.0 899.0 DAY 30 10 13 2 12 2 29 14 22 10 2 18 MIN. QFE PRESSURE IN HPA 888.2 879.8 878.6 882.2 879.1 877.5 875.8 879.8 882.2 887.5 885.3 886.7 875.8 DAY 27 21 26 17 26 11 18 27 5 1 17 5 MEAN QNH PRESSURE IN HPA 1020.4 1017.6 1016.6 1014.3 1011.3 1007.7 1007.4 1011.2 1013.8 1018.2 1020.0 1021.6 1015.0 MAX. QNH PRESSURE IN HPA 1025.1 1025.1 1026.7 1022.5 1015.4 1015.3 1012.6 1015.6 1021.2 1025.9 1025.5 1027.4 1027.4 DAY 30 10 13 2 12 2 29 14 22 10 2 18 MIN. QNH PRESSURE IN HPA 1015.4 1006.0 1004.7 1008.7 1005.3 1003.5 1001.6 1006.0 1008.7 1014.6 1012.2 1013.7 1001.6 DAY 27 21 26 17 26 11 18 27 5 1 17 5 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 891.7 889.0 888.5 885.6 883.0 880.2 879.7 883.1 885.8 889.4 891.4 893.2 886.7 MAX. QFE PRESSURE IN HPA 896.7 896.5 897.8 892.0 886.4 886.8 884.5 886.8 892.1 895.1 897.6 897.4 897.8 DAY 29 9 13 2 12 2 29 14 22 10 2 18 MIN. QFE PRESSURE IN HPA 886.2 876.5 877.7 880.7 876.8 876.3 874.4 878.5 881.3 885.8 884.3 886.1 874.4 DAY 27 21 26 17 26 11 18 27 6 2 17 5 MEAN QNH PRESSURE IN HPA 1019.3 1016.3 1015.7 1012.5 1009.6 1006.4 1006.0 1009.7 1012.7 1016.7 1019.0 1021.0 1013.7 MAX. QNH PRESSURE IN HPA 1024.9 1024.7 1026.1 1019.6 1013.4 1013.8 1011.3 1013.8 1019.7 1023.1 1025.9 1025.6 1026.1 DAY 29 9 13 2 12 2 29 14 22 10 2 18 MIN. QNH PRESSURE IN HPA 1013.2 1002.4 1003.7 1007.0 1002.7 1002.1 1000.0 1004.6 1007.7 1012.7 1011.0 1013.1 1000.0 DAY 27 21 26 17 26 11 18 27 6 2 17 5 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 891.6 889.3 888.9 886.1 882.9 880.0 879.8 883.2 885.9 890.0 892.2 894.2 887.0 MAX. QFE PRESSURE IN HPA 897.4 897.6 898.5 892.3 886.4 887.3 884.5 886.8 892.8 894.3 897.9 898.6 898.6 DAY 29 9 13 4 12 2 29 14 22 10 2 17 MIN. QFE PRESSURE IN HPA 885.5 876.0 878.3 882.0 876.9 876.6 874.8 878.5 881.3 886.2 885.0 887.0 874.8 DAY 27 21 26 17 26 10 18 27 6 1 17 5 MEAN QNH PRESSURE IN HPA 1019.2 1016.6 1016.1 1013.0 1009.4 1006.2 1006.0 1009.8 1012.8 1017.4 1019.8 1022.1 1014.0 MAX. QNH PRESSURE IN HPA 1025.6 1025.9 1026.9 1020.0 1013.4 1014.4 1011.3 1013.8 1020.5 1022.2 1026.2 1027.0 1027.0 DAY 29 9 13 4 12 2 29 14 22 10 2 17 MIN. QNH PRESSURE IN HPA 1012.4 1001.8 1004.4 1008.5 1002.8 1002.5 1000.5 1004.6 1007.7 1013.2 1011.8 1014.1 1000.5 DAY 27 21 26 17 26 10 18 27 6 1 17 5 MEAN QFF PRESSURE IN HPA 1020.8 1017.1 1013.6 1006.0 999.9 995.3 995.0 999.6 1004.4 1011.5 1017.7 1021.0 1008.5 MAX. QFF PRESSURE IN HPA 1032.5 1027.5 1027.7 1014.8 1004.6 1004.1 1002.2 1005.1 1014.5 1017.6 1025.4 1027.8 1032.5 DAY 29 9 13 1 1 2 29 14 22 28 20 18 MIN. QFF PRESSURE IN HPA 1014.4 998.0 1002.4 999.2 992.8 989.6 988.5 993.5 996.5 1004.8 1008.3 1012.0 988.5 DAY 27 21 25 29 26 29 18 27 7 1 17 5 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.4 12.4 18.2 22.9 29.9 33.9 33.5 33.9 30.3 25.5 15.0 8.9 22.8 MINIMUN AIR TEMPERATURE (C) 1.7 4.1 8.5 15.0 20.2 23.4 25.7 23.7 19.1 12.6 4.8 -1.6 13.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 4 12 23 31 28 11 0 0 0 109 DAYS WITH MINIMUM TEMP. <=-4 3 1 0 0 0 0 0 0 0 0 0 12 16 DAYS WITH FREEZING MIN.<= 0 14 7 2 0 0 0 0 0 0 0 0 20 43 TEMPERATURE RECORDS LOWEST(C) -4.5 -4.5 0.0 6.0 17.0 17.0 22.0 16.0 11.0 4.5 1.0 -8.5 -8.5 DAY 19 5 8 5 15 9 5 15 27 21 19 5 MAXIMUM AIR TEMPERATURE (C) 13.9 17.3 23.5 27.2 34.4 38.8 38.0 39.0 35.1 30.4 20.8 14.3 27.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 10 30 30 31 31 30 17 0 0 180 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.5 23.0 30.0 35.0 40.5 42.5 42.5 42.0 38.5 34.0 28.0 20.0 42.5 DAY 8 27 18 29 30 20 1 19 12 7 1 9 DIF. BETWEEN (MAX.-MIN.) (C) 12.2 13.2 15.0 12.2 14.2 15.4 12.3 15.3 16.0 17.8 16.0 15.9 14.6 MEAN DAILY TEMP. (MDT) (C) 7.8 10.7 16.0 21.1 27.3 31.1 31.8 31.3 27.1 21.5 12.8 6.3 20.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 4.0 51.8 195.2 303.0 336.0 320.2 183.7 38.0 0.0 0.0 1431.9 HEATING DEG. DAYS(BASE 18 0C) 315.2 203.6 89.8 18.0 0.0 0.0 0.0 0.0 0.0 2.0 157.1 361.6 1147.2 DEWPOINT (MEAN C) -1.4 -2.6 -4.3 3.9 2.3 4.7 6.2 12.8 2.5 3.0 2.3 -3.2 2.2 MIXING RATIO (G/KG) 4.13 3.84 3.35 6.30 5.31 6.29 6.88 11.39 5.40 5.54 5.25 3.69 5.61 VAPOUR PRESSURE (HPA) 5.87 5.45 4.76 8.85 7.49 8.83 9.66 15.82 7.65 7.87 7.47 5.25 7.91 SATURATION DEF. (HPA) 6.76 9.73 17.72 20.64 36.20 45.67 43.21 38.69 36.96 26.07 10.63 6.88 24.93 RELATIVE HUMIDITY (MEAN %) 51 40 25 33 19 18 19 30 18 26 47 48 31 RELATIVE HUMIDITY (MAX. %) 69 65 46 52 35 27 29 39 28 43 74 75 49 RELATIVE HUMIDITY (MIN. %) 38 24 14 23 12 12 14 24 13 16 30 31 21 RELATIVE HUMIDITY (MEAN% 03UTC) 65 65 45 51 34 27 29 38 27 42 73 73 47 RELATIVE HUMIDITY (MEAN% 09UTC) 42 29 16 27 14 14 16 28 16 20 35 37 25 RELATIVE HUMIDITY (MEAN% 15UTC) 55 38 24 29 16 14 17 26 16 22 43 43 29 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 33.8 17.0 4.2 9.8 1.0 0.0 0.0 0.0 0.0 0.0 7.7 5.5 79.0 DAYS WITH PRECIPITATION >=10 2 0 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 2 1 0 1 0 0 0 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 1 3 6 1 3 1 0 0 0 0 0 2 2 18 DAYS WITH PRECIPITATION 5 7 2 5 2 0 0 0 0 0 4 4 29 GREATEST DAILY PRECIPITATION 16.0 6.0 4.0 5.0 1.0 0.0 0.0 0.0 0.0 0.0 3.8 3.0 16.0 DAY 12 21 22 4 13 ** ** ** ** ** 7 23 DAY WITH THUNDER STORM 0 1 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 1 4 10 6 8 10 1 0 0 0 0 0 40 WIND DIRECTION (PREVAILING) 360 225 180 270 315 45 45 45 45 45 360 360 45 PREVAILING WIND SPEED(KNOTS) 12.2 9.7 14.1 13.2 14.1 14.3 14.9 15.9 9.9 14.2 11.6 11.2 13.5 PREVAILING WIND PERCENT 20.6 13.6 12.9 18.0 18.1 16.7 54.2 48.4 44.7 18.1 10.0 9.7 17.2 CALMS PERCENT OF WIND 31.0 25.7 32.3 25.3 22.6 31.3 7.7 23.2 22.7 51.0 58.0 63.9 32.9 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 310 248 256 270 312 344 27 35 28 23 287 95 357 VECTOR WIND MAGNITUDE(KNOTS) 1.6 1.5 2.4 4.3 6.0 3.7 11.3 8.8 6.1 3.2 1.4 0.3 2.8 WIND STEADINESES (MEAN %) 19.0 19.5 26.4 46.7 57.1 43.0 88.3 80.7 83.6 54.2 32.6 7.9 34.1 WIND SPEED (MEAN KNOTS) 8.4 7.7 9.1 9.2 10.5 8.6 12.8 10.9 7.3 5.9 4.3 3.8 8.2 FASTEST WIND DIRECTION 180 210 240 280 360 30 330 50 70 50 340 50 240 FASTEST WIND SPEED (KNOTS) 29 25 33 31 21 21 27 29 29 19 19 27 33 DAY 7 18 21 26 18 16 29 12 14 11 3 22 DAYS WITH SKY CLEAR (0-2)/8 18 13 19 10 23 29 26 29 30 29 16 21 263 DAYS WITH P.CLOUDY (3-6)/8 8 11 9 12 6 1 5 2 0 2 11 8 75 DAYS WITH CLOUDY (7-8)/8 5 4 3 8 2 0 0 0 0 0 3 2 27 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS 228.8 214.2 280.7 243.4 341.8 348.9 336.7 357.1 338.3 311.9 204.6 212.5 3418.9 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 892.5 891.1 889.2 886.2 885.2 882.7 882.9 882.6 888.1 891.1 893.4 891.9 888.1 MAX. QFE PRESSURE IN HPA 902.0 899.4 901.0 895.3 890.9 888.9 888.6 887.2 893.1 895.5 901.6 900.1 902.0 DAY-HOUR 29- 6 2- 6 11- 6 1- 6 10- 6 25- 6 3- 3 30- 6 21- 6 10- 6 18- 6 4- 6 MIN. QFE PRESSURE IN HPA 884.1 883.6 880.8 874.5 879.8 873.9 877.4 877.4 883.4 887.5 886.2 882.4 873.9 DAY-HOUR 8-12 25-12 29-15 4-12 20-15 20-15 25-15 17-12 10-12 29-15 13-12 22-15 MEAN QNH PRESSURE IN HPA 1020.2 1018.7 1016.5 1013.2 1012.1 1009.2 1009.5 1009.1 1015.3 1018.7 1021.2 1019.5 1015.3 MAX. QNH PRESSURE IN HPA 1030.8 1027.9 1029.7 1023.3 1018.4 1016.2 1015.8 1014.3 1020.9 1023.5 1030.3 1028.7 1030.8 DAY-HOUR 29- 6 2- 6 11- 6 1- 6 10- 6 25- 6 3- 3 30- 6 21- 6 10- 6 18- 6 4- 6 MIN. QNH PRESSURE IN HPA 1010.8 1010.3 1007.1 1000.1 1006.0 999.5 1003.4 1003.4 1010.0 1014.6 1013.2 1008.9 999.5 DAY-HOUR 8-12 25-12 29-15 4-12 20-15 20-15 25-15 17-12 10-12 29-15 13-12 22-15 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 892.8 891.2 889.6 886.6 885.8 883.3 883.7 883.3 888.6 891.7 893.7 892.2 888.5 MAX. QFE PRESSURE IN HPA 901.2 897.9 899.7 894.5 890.0 888.5 888.6 886.4 892.3 894.2 900.2 899.5 901.2 DAY 29 6 11 1 10 25 3 2 21 11 18 4 MIN. QFE PRESSURE IN HPA 885.9 886.2 883.7 877.5 881.8 875.2 879.5 880.0 884.9 889.8 888.4 883.4 875.2 DAY 12 28 29 4 13 21 25 9 10 30 13 22 MEAN QNH PRESSURE IN HPA 1020.6 1018.8 1016.9 1013.6 1012.7 1010.0 1010.3 1010.0 1015.8 1019.3 1021.6 1019.9 1015.8 MAX. QNH PRESSURE IN HPA 1029.9 1026.2 1028.2 1022.4 1017.4 1015.7 1015.8 1013.4 1020.0 1022.1 1028.8 1028.0 1029.9 DAY 29 6 11 1 10 25 3 2 21 11 18 4 MIN. QNH PRESSURE IN HPA 1012.8 1013.2 1010.4 1003.5 1008.3 1000.9 1005.7 1006.3 1011.7 1017.2 1015.6 1010.0 1000.9 DAY 12 28 29 4 13 21 25 9 10 30 13 22 MEAN QFF PRESSURE IN HPA 1021.3 1018.1 1013.8 1007.8 1004.0 999.3 999.6 999.3 1007.1 1012.5 1019.7 1021.1 1010.3 MAX. QFF PRESSURE IN HPA 1032.2 1028.4 1028.4 1019.3 1009.8 1006.8 1005.5 1003.3 1012.5 1015.7 1028.8 1031.7 1032.2 DAY 29 6 11 1 15 25 3 2 30 26 19 30 MIN. QFF PRESSURE IN HPA 1011.0 1009.9 1004.3 998.4 999.3 988.6 994.0 994.5 1003.0 1009.8 1011.8 1009.3 988.6 DAY 12 28 29 4 13 21 1 9 10 12 13 22 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 894.0 892.5 890.7 887.6 886.6 883.9 884.3 884.0 889.3 892.5 894.7 892.7 889.4 MAX. QFE PRESSURE IN HPA 902.0 899.4 901.0 895.3 890.9 888.9 888.0 887.2 893.1 895.5 901.6 900.1 902.0 DAY 29 2 11 1 10 25 30 30 21 10 18 4 MIN. QFE PRESSURE IN HPA 886.3 887.4 884.8 877.0 882.4 876.4 880.6 880.2 885.6 890.6 889.2 883.1 876.4 DAY 22 25 29 4 13 21 25 17 10 30 13 22 MEAN QNH PRESSURE IN HPA 1021.9 1020.2 1018.2 1014.7 1013.6 1010.7 1011.0 1010.7 1016.6 1020.1 1022.7 1020.4 1016.7 MAX. QNH PRESSURE IN HPA 1030.8 1027.9 1029.7 1023.3 1018.4 1016.2 1015.2 1014.3 1020.9 1023.5 1030.3 1028.7 1030.8 DAY 29 2 11 1 10 25 30 30 21 10 18 4 MIN. QNH PRESSURE IN HPA 1013.3 1014.5 1011.6 1002.9 1008.9 1002.2 1006.9 1006.5 1012.5 1018.1 1016.5 1009.7 1002.2 DAY 22 25 29 4 13 21 25 17 10 30 13 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 892.3 891.4 889.6 886.6 885.6 883.1 883.3 882.9 888.4 891.2 893.6 892.0 888.3 MAX. QFE PRESSURE IN HPA 899.7 898.5 899.8 895.0 889.6 888.1 887.1 886.3 891.8 894.0 899.9 898.1 899.9 DAY 29 2 11 1 10 25 3 29 21 10 18 30 MIN. QFE PRESSURE IN HPA 885.0 885.6 883.9 876.4 881.3 875.5 878.8 879.1 884.7 889.1 887.9 883.6 875.5 DAY 12 25 21 4 20 21 24 17 10 29 13 25 MEAN QNH PRESSURE IN HPA 1019.9 1019.0 1017.0 1013.6 1012.5 1009.8 1009.9 1009.5 1015.6 1018.8 1021.4 1019.6 1015.5 MAX. QNH PRESSURE IN HPA 1028.2 1026.9 1028.3 1023.0 1017.0 1015.3 1014.2 1013.3 1019.4 1021.9 1028.4 1026.4 1028.4 DAY 29 2 11 1 10 25 3 29 21 10 18 30 MIN. QNH PRESSURE IN HPA 1011.8 1012.5 1010.6 1002.2 1007.7 1001.2 1004.9 1005.3 1011.5 1016.4 1015.1 1010.3 1001.2 DAY 12 25 21 4 20 21 24 17 10 29 13 25 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 891.5 889.9 888.0 885.2 884.2 881.7 881.9 881.4 887.2 890.1 892.7 891.5 887.1 MAX. QFE PRESSURE IN HPA 897.8 897.2 897.7 893.7 888.1 886.4 885.5 884.7 890.6 892.9 898.9 898.5 898.9 DAY 29 2 11 1 15 25 3 31 21 10 18 4 MIN. QFE PRESSURE IN HPA 884.1 883.6 881.8 874.5 880.2 874.3 877.7 877.4 883.4 887.9 886.2 883.4 874.3 DAY 8 25 29 4 20 21 25 17 10 22 13 22 MEAN QNH PRESSURE IN HPA 1019.0 1017.3 1015.1 1012.1 1010.9 1008.2 1008.4 1007.8 1014.2 1017.5 1020.4 1019.1 1014.2 MAX. QNH PRESSURE IN HPA 1026.1 1025.4 1026.0 1021.5 1015.3 1013.4 1012.4 1011.5 1018.1 1020.6 1027.3 1026.9 1027.3 DAY 29 2 11 1 15 25 3 31 21 10 18 4 MIN. QNH PRESSURE IN HPA 1010.8 1010.3 1008.3 1000.1 1006.5 999.9 1003.7 1003.4 1010.0 1015.1 1013.2 1010.0 999.9 DAY 8 25 29 4 20 21 25 17 10 22 13 22 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 892.1 890.6 888.2 885.0 884.0 881.2 881.7 881.4 887.2 890.3 892.5 891.4 887.1 MAX. QFE PRESSURE IN HPA 898.1 897.6 897.8 893.7 888.4 886.0 885.1 884.0 890.6 893.9 899.9 898.7 899.9 DAY 29 2 11 1 9 25 3 1 21 10 18 30 MIN. QFE PRESSURE IN HPA 886.3 883.6 880.8 877.6 879.8 873.9 877.4 877.4 884.1 887.5 886.7 882.4 873.9 DAY 8 25 29 4 20 20 25 17 10 29 13 22 MEAN QNH PRESSURE IN HPA 1019.8 1018.1 1015.4 1011.9 1010.7 1007.6 1008.1 1007.9 1014.3 1017.7 1020.2 1018.9 1014.2 MAX. QNH PRESSURE IN HPA 1026.4 1025.9 1026.1 1021.5 1015.6 1012.9 1011.9 1010.7 1018.1 1021.8 1028.4 1027.1 1028.4 DAY 29 2 11 1 9 25 3 1 21 10 18 30 MIN. QNH PRESSURE IN HPA 1013.3 1010.3 1007.1 1003.6 1006.0 999.5 1003.4 1003.4 1010.8 1014.6 1013.7 1008.9 999.5 DAY 8 25 29 4 20 20 25 17 10 29 13 22 MEAN QFF PRESSURE IN HPA 1020.5 1017.4 1012.3 1005.9 1001.9 996.9 997.5 996.9 1005.5 1011.0 1018.3 1020.1 1008.7 MAX. QFF PRESSURE IN HPA 1029.5 1028.2 1026.5 1017.7 1007.5 1003.9 1002.3 1000.7 1010.2 1015.7 1028.7 1030.9 1030.9 DAY 26 2 11 1 9 25 30 1 30 26 18 30 MIN. QFF PRESSURE IN HPA 1009.6 1007.5 1001.0 998.6 996.9 986.4 991.6 991.9 1001.8 1008.0 1009.6 1009.1 986.4 DAY 8 25 29 21 30 20 25 17 10 12 13 22 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.4 12.6 15.7 24.0 26.0 33.3 36.6 32.8 28.8 24.5 14.4 8.8 22.2 MINIMUN AIR TEMPERATURE (C) 1.0 4.7 6.5 12.5 11.9 21.3 27.2 23.6 18.7 12.6 4.1 1.4 12.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 1 17 31 29 8 0 0 0 86 DAYS WITH MINIMUM TEMP. <=-4 3 0 1 0 0 0 0 0 0 0 2 5 11 DAYS WITH FREEZING MIN.<= 0 12 6 4 0 0 0 0 0 0 0 10 11 43 TEMPERATURE RECORDS LOWEST(C) -7.0 -2.0 -6.0 3.0 7.0 17.5 23.0 18.0 5.0 9.0 -5.0 -11.0 -11.0 DAY 3 1 3 19 3 8 5 27 29 21 24 14 MAXIMUM AIR TEMPERATURE (C) 14.1 17.3 20.0 28.4 30.6 37.7 41.2 37.7 33.7 30.1 20.2 13.7 27.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 13 19 30 31 31 26 20 1 0 171 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 20.2 23.0 26.0 36.0 35.8 41.5 43.5 43.5 38.0 35.5 30.0 21.0 43.5 DAY 14 20 20 29 19 27 3 1 12 4 1 7 DIF. BETWEEN (MAX.-MIN.) (C) 13.1 12.6 13.5 15.9 18.7 16.4 14.0 14.1 15.0 17.5 16.1 12.3 15.0 MEAN DAILY TEMP. (MDT) (C) 7.6 11.0 13.3 20.4 21.3 29.5 34.2 30.6 26.2 21.3 12.2 7.6 19.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.6 38.7 46.4 255.2 409.2 298.8 162.5 31.5 1.5 0.0 1244.6 HEATING DEG. DAYS(BASE 18 0C) 323.5 195.5 152.7 22.7 5.7 0.0 0.0 0.0 1.5 0.0 184.0 323.8 1209.4 DEWPOINT (MEAN C) -1.4 -0.7 -0.4 2.9 5.3 6.9 4.4 0.6 0.7 -2.1 -6.2 -5.2 0.4 MIXING RATIO (G/KG) 4.14 4.30 4.51 5.50 6.81 7.35 6.19 4.89 4.76 4.02 3.07 3.25 4.90 VAPOUR PRESSURE (HPA) 5.89 6.09 6.38 7.78 9.60 10.29 8.67 6.88 6.73 5.71 4.39 4.64 6.92 SATURATION DEF. (HPA) 6.56 9.32 12.59 23.78 25.67 42.24 54.51 44.11 34.72 26.64 13.47 7.57 25.10 RELATIVE HUMIDITY (MEAN %) 54 44 37 28 29 21 15 15 17 19 27 41 29 RELATIVE HUMIDITY (MAX. %) 76 66 60 45 44 32 24 23 25 28 41 62 44 RELATIVE HUMIDITY (MIN. %) 37 27 23 18 19 15 10 9 12 13 18 27 19 RELATIVE HUMIDITY (MEAN% 03UTC) 75 64 56 45 43 32 24 23 23 27 41 59 43 RELATIVE HUMIDITY (MEAN% 09UTC) 44 33 30 24 24 18 12 11 15 16 20 32 23 RELATIVE HUMIDITY (MEAN% 15UTC) 52 44 35 21 23 18 11 12 17 18 29 41 27 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 52.0 10.0 38.5 3.2 2.4 0.0 0.0 0.6 0.0 0.0 0.0 4.5 111.2 DAYS WITH PRECIPITATION >=10 2 0 1 0 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 4 1 2 0 0 0 0 0 0 0 0 0 7 DAYS WITH PRECIPITATION >= 1 6 2 3 2 1 0 0 0 0 0 0 2 16 DAYS WITH PRECIPITATION 6 3 8 3 2 0 0 1 0 0 0 3 26 GREATEST DAILY PRECIPITATION 19.0 9.0 28.0 2.0 2.0 0.0 0.0 0.6 0.0 0.0 0.0 2.0 28.0 DAY 18 6 14 18 30 ** ** 2 ** ** ** 6 DAY WITH THUNDER STORM 0 0 0 0 1 0 1 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 2 3 6 2 2 5 0 0 0 1 3 24 WIND DIRECTION (PREVAILING) 180 360 360 360 360 45 45 45 360 315 360 360 45 PREVAILING WIND SPEED(KNOTS) 11.5 12.0 12.8 15.5 16.7 16.0 17.8 16.1 13.0 10.8 9.9 15.4 15.8 PREVAILING WIND PERCENT 9.0 17.1 12.9 20.0 29.7 28.7 52.9 47.7 25.3 14.8 16.7 11.6 16.8 CALMS PERCENT OF WIND 58.7 35.7 34.8 20.0 19.4 30.0 20.6 14.2 32.0 42.6 54.0 66.5 35.7 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 179 320 270 296 356 40 47 29 12 301 307 321 10 VECTOR WIND MAGNITUDE(KNOTS) 1.3 1.3 2.0 3.9 8.5 6.7 9.2 12.0 7.0 1.9 1.6 1.8 3.6 WIND STEADINESES (MEAN %) 35.1 18.1 23.5 36.4 65.4 63.2 70.8 90.9 75.3 32.8 34.8 43.9 41.4 WIND SPEED (MEAN KNOTS) 3.7 7.2 8.5 10.7 13.0 10.6 13.0 13.2 9.3 5.8 4.6 4.1 8.7 FASTEST WIND DIRECTION 180 210 300 270 10 50 40 40 30 40 340 340 40 FASTEST WIND SPEED (KNOTS) 17 23 29 35 39 39 49 39 23 19 19 43 49 DAY 28 20 21 21 1 25 10 30 15 16 4 11 DAYS WITH SKY CLEAR (0-2)/8 17 11 11 14 18 24 30 31 30 28 20 18 252 DAYS WITH P.CLOUDY (3-6)/8 6 15 14 13 12 6 1 0 0 3 5 10 85 DAYS WITH CLOUDY (7-8)/8 8 2 6 3 1 0 0 0 0 0 5 3 28 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS 184.4 230.8 226.6 261.0 314.7 293.7 367.2 371.2 333.7 318.9 265.6 210.5 3378.3 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 892.2 887.9 888.9 888.5 887.7 882.6 880.2 884.1 886.9 891.0 893.6 894.6 888.2 MAX. QFE PRESSURE IN HPA 899.1 895.6 901.0 893.9 893.7 888.5 884.3 889.0 894.3 895.7 902.8 901.8 902.8 DAY-HOUR 8-15 7- 6 3- 6 7- 6 10- 6 1- 6 3- 6 4- 3 27- 6 17- 6 24- 9 12- 6 MIN. QFE PRESSURE IN HPA 882.6 878.5 880.7 880.1 880.0 875.2 873.9 878.3 881.2 886.1 886.1 887.9 873.9 DAY-HOUR 28-15 19-12 27-12 17-15 23-15 30-15 25-15 1-12 10-12 5-12 2-12 6-15 MEAN QNH PRESSURE IN HPA 1019.8 1015.1 1016.1 1015.7 1014.8 1009.2 1006.4 1010.8 1013.9 1018.5 1021.4 1022.6 1015.4 MAX. QNH PRESSURE IN HPA 1027.5 1023.6 1029.7 1021.8 1021.5 1015.7 1011.0 1016.3 1022.2 1023.8 1031.7 1030.6 1031.7 DAY-HOUR 8-15 7- 6 3- 6 7- 6 10- 6 1- 6 3- 6 4- 3 27- 6 17- 6 24- 9 12- 6 MIN. QNH PRESSURE IN HPA 1009.2 1004.6 1007.0 1006.4 1006.3 1000.9 999.5 1004.4 1007.6 1013.1 1013.1 1015.1 999.5 DAY-HOUR 28-15 19-12 27-12 17-15 23-15 30-15 25-15 1-12 10-12 5-12 2-12 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 892.0 888.0 888.9 888.8 888.2 883.4 880.6 884.8 887.3 891.4 893.6 894.4 888.5 MAX. QFE PRESSURE IN HPA 896.4 895.3 900.2 893.3 893.2 888.0 883.6 889.0 892.7 894.5 901.7 900.8 901.7 DAY 12 7 3 8 3 1 4 4 27 16 23 12 MIN. QFE PRESSURE IN HPA 884.4 881.7 882.4 884.7 882.7 877.2 875.6 879.7 883.4 887.2 887.2 889.3 875.6 DAY 29 19 13 17 24 30 1 1 12 6 2 7 MEAN QNH PRESSURE IN HPA 1019.7 1015.1 1016.1 1016.1 1015.4 1010.1 1006.9 1011.6 1014.4 1019.0 1021.5 1022.3 1015.7 MAX. QNH PRESSURE IN HPA 1024.5 1023.3 1028.8 1021.1 1021.0 1015.2 1010.3 1016.3 1020.4 1022.4 1030.4 1029.4 1030.4 DAY 12 7 3 8 3 1 4 4 27 16 23 12 MIN. QNH PRESSURE IN HPA 1011.2 1008.1 1008.9 1011.5 1009.3 1003.1 1001.3 1005.9 1010.0 1014.3 1014.3 1016.6 1001.3 DAY 29 19 13 17 24 30 1 1 12 6 2 7 MEAN QFF PRESSURE IN HPA 1020.4 1014.1 1013.7 1009.8 1008.2 999.7 995.2 1001.5 1006.4 1013.5 1020.6 1023.3 1010.5 MAX. QFF PRESSURE IN HPA 1026.4 1024.1 1033.2 1018.2 1016.9 1005.7 998.7 1005.9 1015.6 1017.8 1032.7 1035.5 1035.5 DAY 13 7 3 19 3 1 6 4 28 18 24 13 MIN. QFF PRESSURE IN HPA 1010.1 1006.5 1003.8 1003.9 999.7 992.0 989.6 993.9 1000.7 1005.8 1009.5 1014.2 989.6 DAY 29 16 27 28 24 30 1 1 12 6 2 7 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 893.3 889.3 890.0 889.6 888.9 883.9 881.1 885.3 888.4 892.5 894.9 895.8 889.4 MAX. QFE PRESSURE IN HPA 897.8 895.6 901.0 893.9 893.7 888.5 884.3 888.9 894.3 895.7 902.6 901.8 902.6 DAY 7 7 3 7 10 1 3 4 27 17 24 12 MIN. QFE PRESSURE IN HPA 886.4 883.0 883.8 885.2 883.8 877.5 877.2 880.1 884.1 888.6 887.9 890.6 877.2 DAY 29 19 13 17 24 30 1 1 7 1 2 7 MEAN QNH PRESSURE IN HPA 1021.1 1016.6 1017.4 1016.9 1016.2 1010.6 1007.5 1012.1 1015.6 1020.2 1022.9 1023.9 1016.7 MAX. QNH PRESSURE IN HPA 1026.1 1023.6 1029.7 1021.8 1021.5 1015.7 1011.0 1016.2 1022.2 1023.8 1031.4 1030.6 1031.4 DAY 7 7 3 7 10 1 3 4 27 17 24 12 MIN. QNH PRESSURE IN HPA 1013.4 1009.6 1010.5 1012.1 1010.5 1003.5 1003.1 1006.4 1010.8 1015.8 1015.1 1018.1 1003.1 DAY 29 19 13 17 24 30 1 1 7 1 2 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 892.6 888.4 889.5 888.9 888.1 882.9 880.7 884.5 887.2 891.1 893.8 894.8 888.5 MAX. QFE PRESSURE IN HPA 898.8 895.0 900.5 893.9 892.2 887.4 884.0 886.9 893.2 894.0 902.8 901.7 902.8 DAY 8 7 3 7 10 1 4 4 27 16 24 14 MIN. QFE PRESSURE IN HPA 885.9 881.2 882.4 883.6 883.1 877.2 876.0 880.1 882.9 887.7 886.6 889.9 876.0 DAY 29 19 27 17 23 30 25 1 10 27 2 7 MEAN QNH PRESSURE IN HPA 1020.3 1015.7 1016.8 1016.2 1015.2 1009.5 1007.0 1011.3 1014.3 1018.7 1021.7 1022.8 1015.8 MAX. QNH PRESSURE IN HPA 1027.2 1023.0 1029.1 1021.8 1019.9 1014.5 1010.7 1013.9 1021.0 1021.9 1031.7 1030.4 1031.7 DAY 8 7 3 7 10 1 4 4 27 16 24 14 MIN. QNH PRESSURE IN HPA 1012.8 1007.6 1008.9 1010.3 1009.7 1003.1 1001.8 1006.4 1009.5 1014.8 1013.6 1017.3 1001.8 DAY 29 19 27 17 23 30 25 1 10 27 2 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 891.6 886.9 888.0 887.6 886.9 881.7 879.6 883.0 885.7 889.9 892.8 893.9 887.3 MAX. QFE PRESSURE IN HPA 897.4 893.7 898.1 892.7 891.2 886.5 882.9 885.9 892.3 892.9 900.9 900.6 900.9 DAY 12 6 3 7 2 1 3 4 27 16 24 12 MIN. QFE PRESSURE IN HPA 885.5 878.5 880.7 882.1 881.4 876.2 874.3 878.3 881.2 886.1 886.1 888.5 874.3 DAY 29 19 27 17 23 30 25 1 10 5 2 6 MEAN QNH PRESSURE IN HPA 1019.2 1013.9 1015.1 1014.7 1013.9 1008.1 1005.8 1009.6 1012.6 1017.3 1020.5 1021.8 1014.4 MAX. QNH PRESSURE IN HPA 1025.6 1021.5 1026.4 1020.4 1018.7 1013.5 1009.5 1012.8 1020.0 1020.6 1029.6 1029.2 1029.6 DAY 12 6 3 7 2 1 3 4 27 16 24 12 MIN. QNH PRESSURE IN HPA 1012.4 1004.6 1007.0 1008.6 1007.8 1002.0 999.9 1004.4 1007.6 1013.1 1013.1 1015.7 999.9 DAY 29 19 27 17 23 30 25 1 10 5 2 6 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MEANS AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 891.5 887.1 888.1 887.5 886.3 881.3 878.9 882.8 885.8 890.3 893.0 894.2 887.2 MAX. QFE PRESSURE IN HPA 899.1 894.7 898.8 892.2 890.9 886.0 883.1 885.3 891.8 893.4 900.9 900.6 900.9 DAY 8 6 3 7 11 1 3 4 27 23 25 12 MIN. QFE PRESSURE IN HPA 882.6 878.7 880.9 880.1 880.0 875.2 873.9 878.7 881.2 886.8 886.1 887.9 873.9 DAY 28 19 27 17 23 30 25 1 10 5 14 6 MEAN QNH PRESSURE IN HPA 1019.0 1014.2 1015.3 1014.6 1013.3 1007.7 1005.0 1009.4 1012.7 1017.7 1020.7 1022.1 1014.3 MAX. QNH PRESSURE IN HPA 1027.5 1022.6 1027.2 1019.9 1018.4 1012.9 1009.7 1012.2 1019.4 1021.2 1029.6 1029.2 1029.6 DAY 8 6 3 7 11 1 3 4 27 23 25 12 MIN. QNH PRESSURE IN HPA 1009.2 1004.8 1007.3 1006.4 1006.3 1000.9 999.5 1004.8 1007.6 1013.8 1013.1 1015.1 999.5 DAY 28 19 27 17 23 30 25 1 10 5 14 6 MEAN QFF PRESSURE IN HPA 1019.7 1013.0 1012.8 1008.3 1006.0 997.2 993.4 999.3 1004.6 1012.2 1019.8 1023.2 1009.1 MAX. QFF PRESSURE IN HPA 1028.7 1022.6 1031.2 1015.4 1015.0 1003.3 997.8 1002.8 1013.6 1016.2 1032.5 1034.3 1034.3 DAY 8 6 3 19 2 1 12 30 27 15 24 14 MIN. QFF PRESSURE IN HPA 1009.5 1003.7 1001.5 999.2 996.5 989.1 987.7 993.5 998.1 1006.3 1009.4 1012.0 987.7 DAY 28 26 27 17 23 30 25 1 10 5 1 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 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1990-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.2 11.0 15.0 22.8 28.6 33.5 34.5 33.0 29.2 22.9 15.9 10.6 22.1 MINIMUN AIR TEMPERATURE (C) 0.6 2.9 6.7 13.5 18.4 23.4 25.3 23.8 18.9 12.1 6.1 2.3 12.8 DAYS WITH MINIMUM TEMP. >=21 0.0 0.0 0.0 1.8 9.1 24.6 30.1 28.5 9.2 0.4 0.0 0.0 103.7 DAYS WITH MINIMUM TEMP. <=-4 3.6 1.5 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6 2.6 8.5 DAYS WITH FREEZING MIN.<= 0 14.8 7.9 2.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.6 9.2 36.7 TEMPERATURE RECORDS LOWEST(C) -10.0 -7.5 -6.0 1.5 7.0 17.0 2.4 15.6 5.0 2.5 -6.0 -11.0 -11.0 YEAR-DAY 96-16 97-10 3- 3 96- 7 3- 3 91-24 98-27 91-11 3-29 93- 9 96-20 90-30 90-30 MAXIMUM AIR TEMPERATURE (C) 12.9 15.8 19.6 27.3 32.8 37.7 38.7 37.5 34.1 28.1 21.2 15.7 26.8 DAYS WITH MAXIMUM TEMP. >=30 0.0 0.0 0.4 9.5 23.8 30.0 30.9 30.9 26.9 10.6 0.1 0.0 163.1 DAYS WITH MAXIMUM TEMP. <= 0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 TEMPERATURE RECORDS HIGHEST(C) 22.8 26.5 31.0 36.5 40.5 44.6 46.5 43.5 41.5 36.5 30.0 26.5 46.5 YEAR-DAY 94- 5 97-22 0-24 94-26 0-27 94-22 98- 7 3- 1 96-11 98- 2 3- 1 98-11 98- 7 DIF. BETWEEN (MAX.-MIN.) (C) 12.3 12.9 12.9 13.8 14.4 14.3 13.4 13.7 15.2 16.0 15.1 13.4 14.0 MEAN DAILY TEMP. (MDT) (C) 6.8 9.3 13.2 20.4 25.6 30.6 32.0 30.7 26.5 20.1 13.7 9.0 19.8 STANDARD DEVIATION OF MDT(C) 1.10 1.11 1.73 2.00 2.38 0.97 1.30 0.97 1.44 1.53 1.45 1.94 1.49 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 1.4 40.6 149.6 287.2 340.7 298.3 167.1 26.8 0.1 0.0 1311.8 HEATING DEG. DAYS(BASE 18 0C) 348.3 243.7 157.7 22.8 0.8 0.0 0.0 0.0 0.6 15.0 135.2 278.3 1202.4 DEWPOINT (MEAN C) -3.3 -3.3 -1.2 1.3 2.5 4.3 5.3 4.0 0.5 -0.5 -2.2 -2.9 0.4 MIXING RATIO (G/KG) 3.61 3.67 4.36 5.18 5.58 6.27 6.71 6.35 4.84 4.54 3.99 3.77 4.91 VAPOUR PRESSURE (HPA) 5.14 5.21 6.18 7.32 7.87 8.80 9.38 8.90 6.84 6.44 5.68 5.38 6.93 SATURATION DEF. (HPA) 6.80 8.94 12.39 22.67 33.44 44.62 47.07 42.98 35.65 23.61 13.34 8.27 24.98 RELATIVE HUMIDITY (MEAN %) 48 41 38 28 21 18 17 18 17 24 34 44 28 RELATIVE HUMIDITY (MAX. %) 70 65 59 45 34 27 26 26 27 36 51 66 44 RELATIVE HUMIDITY (MIN. %) 33 25 25 18 14 12 13 13 12 16 22 29 19 RELATIVE HUMIDITY (MEAN% 03UTC) 68 63 57 44 33 26 26 26 26 36 50 64 43 RELATIVE HUMIDITY (MEAN% 09UTC) 38 31 30 21 17 15 14 15 14 19 25 33 23 RELATIVE HUMIDITY (MEAN% 15UTC) 46 38 35 25 18 15 16 16 16 23 34 44 27 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 22.2 19.0 26.6 14.5 1.9 0.1 0.0 0.0 0.3 1.0 4.4 13.8 103.8 DAYS WITH PRECIPITATION >=10 0.5 0.7 0.7 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.3 2.6 DAYS WITH PRECIPITATION >= 5 1.6 1.2 1.8 1.0 0.1 0.0 0.0 0.0 0.0 0.1 0.4 0.8 7.0 DAYS WITH PRECIPITATION >= 1 4.4 3.1 4.9 2.8 0.8 0.0 0.0 0.0 0.1 0.2 0.9 2.6 19.8 DAYS WITH PRECIPITATION 6.4 5.1 7.4 5.6 1.9 0.5 0.1 0.1 0.2 0.7 1.6 4.4 34.0 GREATEST DAILY PRECIPITATION 19.0 32.0 28.0 35.0 9.0 0.9 0.0 0.6 3.0 9.6 18.0 39.0 39.0 YEAR-DAY 3-18 96-22 3-14 95-25 91- 4 92- 9 **-** 3- 2 99-28 97-24 97- 1 91-16 91 DAY WITH THUNDER STORM 0.2 0.2 0.6 0.8 0.3 0.1 0.1 0.1 0.1 0.1 0.0 0.1 2.7 DAYS WITH SNOW OR SLEET 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.5 DAYS WITH DUST 1.1 2.8 3.2 3.5 3.4 3.8 4.5 2.7 1.6 0.6 1.0 0.9 29.1 WIND DIRECTION (PREVAILING) 360 360 360 360 360 45 45 45 45 360 360 360 45 PREVAILING WIND SPEED(KNOTS) 13.2 13.3 13.3 12.5 14.3 15.7 18.6 17.4 16.2 12.7 12.6 11.6 16.1 PREVAILING WIND PERCENT 13.4 14.9 15.9 18.8 22.4 28.3 57.2 62.6 34.1 19.1 17.5 12.0 20.5 CALMS PERCENT OF WIND 39.7 32.2 28.5 21.0 19.0 20.3 11.1 10.8 23.1 34.1 40.0 49.4 27.4 NO. OF WIND OBSERVATION 155.0 141.2 155.0 149.9 155.0 149.9 155.0 155.0 150.0 155.0 150.0 155.0 1826.0 VECTOR WIND DIRECTION (MEAN) 291 277 273 298 338 22 41 36 22 344 320 306 13 VECTOR WIND MAGNITUDE(KNOTS) 0.6 1.4 1.7 2.9 5.2 5.9 12.1 12.7 7.2 3.3 1.4 0.3 3.7 WIND STEADINESES (MEAN %) 9.2 17.3 19.5 31.2 47.7 53.2 79.1 87.6 66.7 42.9 20.9 5.9 38.5 WIND SPEED (MEAN KNOTS) 6.5 8.1 8.7 9.3 10.9 11.1 15.3 14.5 10.8 7.7 6.7 5.1 9.6 FASTEST WIND DIRECTION 270 280 170 220 40 70 40 10 40 30 360 340 30 FASTEST WIND SPEED (KNOTS) 49 49 43 39 54 39 58 39 39 78 43 43 78 YEAR-DAY 98-13 98-26 91-25 92-26 96-22 90-22 95-18 93- 9 93- 6 98-11 93-14 3-11 98 DAYS WITH SKY CLEAR (0-2)/8 14.9 14.5 12.9 13.7 21.0 26.3 29.1 30.0 28.8 26.0 18.9 16.7 252.8 DAYS WITH P.CLOUDY (3-6)/8 10.5 10.2 10.9 11.9 8.4 3.6 1.9 0.9 1.2 4.3 8.9 10.0 82.7 DAYS WITH CLOUDY (7-8)/8 5.5 3.5 7.2 4.4 1.6 0.1 0.1 0.1 0.0 0.7 2.2 4.3 29.7 DAYS WITH VISIBILITY =< 2 KM 0.4 0.3 0.3 0.2 0.3 0.2 0.3 0.2 0.1 0.2 0.1 0.1 2.7 DURATION OF SUNSHINE HOURS 203.6 215.1 220.9 256.1 318.4 337.5 362.5 357.7 316.5 295.8 236.5 212.6 3333.2 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1990-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 892.0 889.9 888.6 887.6 886.3 882.7 881.1 883.5 886.9 891.4 893.0 893.8 888.1 MAX. QFE PRESSURE IN HPA 902.0 899.8 901.0 899.5 895.3 891.3 890.4 890.5 897.2 899.8 905.3 902.8 905.3 YEAR-DAY 2-29 98-23 2-11 94- 5 97-12 98- 5 96- 3 96-30 94-23 93-17 96-19 99- 6 96-19 MIN. QFE PRESSURE IN HPA 879.4 876.0 877.7 874.5 876.8 873.6 873.2 875.2 876.7 883.4 882.4 880.7 873.2 YEAR-DAY 97-17 1-21 1-26 2- 4 1-26 99-25 98- 8 94- 1 0- 1 98- 2 94-26 94- 4 98- 8 MEAN QNH PRESSURE IN HPA 1019.6 1017.3 1015.8 1014.7 1013.3 1009.3 1007.5 1010.1 1013.9 1019.0 1020.8 1021.6 1015.2 MAX. QNH PRESSURE IN HPA 1030.8 1028.3 1029.7 1028.0 1023.3 1018.9 1017.9 1018.0 1025.4 1028.3 1034.5 1031.7 1034.5 YEAR-DAY 2-29 98-23 2-11 94- 5 97-12 98- 5 96- 3 96-30 94-23 93-17 96-19 99- 6 96-19 MIN. QNH PRESSURE IN HPA 1005.6 1001.8 1003.7 1000.1 1002.7 999.1 998.7 1000.9 1002.6 1010.0 1008.9 1007.0 998.7 YEAR-DAY 97-17 1-21 1-26 2- 4 1-26 99-25 98- 8 94- 1 0- 1 98- 2 94-26 94- 4 98- 8 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 892.2 890.2 888.9 888.1 887.0 883.6 881.9 884.2 887.5 891.9 893.4 894.0 888.6 MAX. QFE PRESSURE IN HPA 901.2 897.9 900.2 897.6 894.8 890.8 890.1 889.8 896.2 899.1 904.2 901.4 904.2 YEAR-DAY 2-29 98-23 3- 3 94- 5 97- 7 98- 6 96- 4 1-14 94-23 93-17 96-19 99- 6 96-19 MIN. QFE PRESSURE IN HPA 880.4 878.9 878.5 877.5 878.8 875.2 875.6 877.4 879.3 886.1 882.4 880.7 875.2 YEAR-DAY 98-13 98-16 1-26 2- 4 99-21 2-21 3- 1 94- 3 0- 1 95-13 94-26 94- 4 2-21 MEAN QNH PRESSURE IN HPA 1019.8 1017.6 1016.2 1015.3 1014.0 1010.2 1008.4 1011.0 1014.6 1019.5 1021.2 1021.8 1015.8 MAX. QNH PRESSURE IN HPA 1029.9 1026.2 1028.8 1025.9 1022.8 1018.3 1017.5 1017.2 1024.3 1027.5 1033.2 1030.1 1033.2 YEAR-DAY 2-29 98-23 3- 3 94- 5 97- 7 98- 6 96- 4 1-14 94-23 93-17 96-19 99- 6 96-19 MIN. QNH PRESSURE IN HPA 1006.7 1005.0 1004.6 1003.5 1004.9 1000.9 1001.3 1003.4 1005.5 1013.1 1008.9 1007.0 1000.9 YEAR-DAY 98-13 98-16 1-26 2- 4 99-21 2-21 3- 1 94- 3 0- 1 95-13 94-26 94- 4 2-21 MEAN QFF PRESSURE IN HPA 1021.0 1017.4 1014.0 1009.5 1005.7 999.7 997.3 1000.7 1006.4 1014.4 1019.5 1022.3 1010.7 MAX. QFF PRESSURE IN HPA 1033.1 1029.7 1033.2 1025.3 1018.8 1009.5 1007.7 1008.8 1018.9 1026.4 1035.9 1035.9 1035.9 YEAR-DAY 1-30 97- 8 3- 3 94- 5 97- 7 95- 2 96- 4 96-31 94-23 93- 9 96-19 94- 8 96-19 MIN. QFF PRESSURE IN HPA 1006.2 1002.6 1000.4 998.4 994.2 988.6 987.4 990.7 995.1 1004.7 1004.2 1002.1 987.4 YEAR-DAY 97-17 99-21 1-26 2- 4 99-21 2-21 98- 8 94- 3 0- 1 98- 2 94-26 94- 4 98- 8 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1990-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 893.3 891.2 889.8 888.9 887.6 884.0 882.2 884.7 888.1 892.7 894.3 895.0 889.3 MAX. QFE PRESSURE IN HPA 902.0 899.8 901.0 899.5 895.3 891.3 890.4 890.5 897.2 899.8 905.3 902.8 905.3 YEAR-DAY 2-29 98-23 2-11 94- 5 97-12 98- 5 96- 3 96-30 94-23 93-17 96-19 99- 6 96-19 MIN. QFE PRESSURE IN HPA 881.2 880.8 879.4 877.0 879.4 876.2 875.9 877.4 880.0 886.2 882.8 881.0 875.9 YEAR-DAY 97-17 98-16 1-26 2- 4 99-21 94-29 98- 8 94- 1 0- 1 97- 4 94-26 94- 4 98- 8 MEAN QNH PRESSURE IN HPA 1021.0 1018.7 1017.2 1016.2 1014.8 1010.7 1008.7 1011.5 1015.3 1020.5 1022.2 1022.9 1016.7 MAX. QNH PRESSURE IN HPA 1030.8 1028.3 1029.7 1028.0 1023.3 1018.9 1017.9 1018.0 1025.4 1028.3 1034.5 1031.7 1034.5 YEAR-DAY 2-29 98-23 2-11 94- 5 97-12 98- 5 96- 3 96-30 94-23 93-17 96-19 99- 6 96-19 MIN. QNH PRESSURE IN HPA 1007.6 1007.1 1005.6 1002.9 1005.6 1002.0 1001.7 1003.4 1006.3 1013.2 1009.4 1007.4 1001.7 YEAR-DAY 97-17 98-16 1-26 2- 4 99-21 94-29 98- 8 94- 1 0- 1 97- 4 94-26 94- 4 98- 8 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 892.1 890.1 888.9 887.9 886.6 883.0 881.3 883.7 887.1 891.3 892.8 893.7 888.2 MAX. QFE PRESSURE IN HPA 899.9 898.5 900.5 898.9 894.5 890.3 889.8 889.5 895.7 898.3 902.9 901.7 902.9 YEAR-DAY 97-19 2- 2 3- 3 94- 5 97-12 93-23 96- 3 96-30 94-23 93-16 96-18 3-14 96-18 MIN. QFE PRESSURE IN HPA 881.1 879.2 878.6 876.4 878.9 874.8 874.7 876.6 878.4 884.9 883.1 881.4 874.7 YEAR-DAY 97-17 94-12 1-26 2- 4 99-21 94-29 98- 8 94- 1 0- 1 98- 2 94-26 94- 4 98- 8 MEAN QNH PRESSURE IN HPA 1019.7 1017.6 1016.2 1015.1 1013.6 1009.6 1007.7 1010.3 1014.1 1018.9 1020.6 1021.5 1015.4 MAX. QNH PRESSURE IN HPA 1028.4 1026.9 1029.1 1027.3 1022.4 1017.7 1017.2 1016.8 1023.8 1026.7 1031.8 1030.4 1031.8 YEAR-DAY 97-19 2- 2 3- 3 94- 5 97-12 93-23 96- 3 96-30 94-23 93-16 96-18 3-14 96-18 MIN. QNH PRESSURE IN HPA 1007.5 1005.4 1004.7 1002.2 1005.0 1000.5 1000.3 1002.5 1004.5 1011.7 1009.7 1007.8 1000.3 YEAR-DAY 97-17 94-12 1-26 2- 4 99-21 94-29 98- 8 94- 1 0- 1 98- 2 94-26 94- 4 98- 8 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 891.1 889.0 887.6 886.5 885.3 881.7 880.1 882.4 885.9 890.3 891.9 892.9 887.1 MAX. QFE PRESSURE IN HPA 898.7 897.2 898.1 897.8 892.8 888.8 889.0 887.8 894.8 897.5 902.6 900.6 902.6 YEAR-DAY 99-22 2- 2 3- 3 94- 5 95-26 95- 2 96- 3 96-29 94-23 93-16 96-18 3-12 96-18 MIN. QFE PRESSURE IN HPA 879.4 876.5 877.7 874.5 876.8 873.7 873.4 875.2 876.7 883.4 883.2 883.2 873.4 YEAR-DAY 97-17 1-21 1-26 2- 4 1-26 94-29 98- 8 94- 1 0- 1 98- 2 93-14 94- 4 98- 8 MEAN QNH PRESSURE IN HPA 1018.6 1016.2 1014.7 1013.5 1012.2 1008.1 1006.4 1008.9 1012.9 1017.7 1019.6 1020.6 1014.1 MAX. QNH PRESSURE IN HPA 1027.1 1025.4 1026.4 1026.1 1020.5 1016.1 1016.3 1015.0 1022.8 1025.8 1031.4 1029.2 1031.4 YEAR-DAY 99-22 2- 2 3- 3 94- 5 95-26 95- 2 96- 3 96-29 94-23 93-16 96-18 3-12 96-18 MIN. QNH PRESSURE IN HPA 1005.6 1002.4 1003.7 1000.1 1002.7 999.2 998.9 1000.9 1002.6 1010.0 1009.8 1009.8 998.9 YEAR-DAY 97-17 1-21 1-26 2- 4 1-26 94-29 98- 8 94- 1 0- 1 98- 2 93-14 94- 4 98- 8 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1990-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 891.5 889.3 887.9 886.5 885.2 881.4 880.0 882.3 886.0 890.8 892.6 893.4 887.2 MAX. QFE PRESSURE IN HPA 899.8 897.6 898.8 898.1 892.5 888.4 888.9 887.7 895.5 897.8 903.6 900.6 903.6 YEAR-DAY 99-22 1- 9 3- 3 94- 5 95-26 95- 1 96- 3 96-29 94-22 93-16 96-18 3-12 96-18 MIN. QFE PRESSURE IN HPA 880.5 876.0 878.3 877.6 876.9 873.6 873.2 875.4 877.0 884.2 885.0 881.2 873.2 YEAR-DAY 97-17 1-21 1-26 2- 4 1-26 99-25 98- 8 94- 1 0- 1 98- 2 1-17 94- 4 98- 8 MEAN QNH PRESSURE IN HPA 1019.1 1016.6 1015.0 1013.5 1012.1 1007.9 1006.2 1008.9 1012.9 1018.3 1020.3 1021.2 1014.3 MAX. QNH PRESSURE IN HPA 1028.3 1025.9 1027.2 1026.4 1020.2 1015.6 1016.2 1014.8 1023.5 1026.1 1032.6 1029.2 1032.6 YEAR-DAY 99-22 1- 9 3- 3 94- 5 95-26 95- 1 96- 3 96-29 94-22 93-16 96-18 3-12 96-18 MIN. QNH PRESSURE IN HPA 1006.8 1001.8 1004.4 1003.6 1002.8 999.1 998.7 1001.1 1002.9 1010.9 1011.8 1007.6 998.7 YEAR-DAY 97-17 1-21 1-26 2- 4 1-26 99-25 98- 8 94- 1 0- 1 98- 2 1-17 94- 4 98- 8 MEAN QFF PRESSURE IN HPA 1020.2 1016.4 1012.9 1007.7 1003.7 997.4 995.2 998.6 1004.7 1013.1 1018.6 1021.7 1009.2 MAX. QFF PRESSURE IN HPA 1032.5 1028.5 1031.2 1026.9 1015.8 1007.8 1006.2 1007.4 1018.8 1023.6 1034.7 1034.3 1034.7 YEAR-DAY 1-29 98-23 3- 3 94- 5 97- 6 95- 1 96- 3 96-30 94-22 93- 8 96-18 3-14 96-18 MIN. QFF PRESSURE IN HPA 1006.3 998.0 999.5 997.6 992.6 986.4 985.3 989.4 992.5 1002.1 1007.4 1003.3 985.3 YEAR-DAY 97-17 1-21 94-12 97-10 0-27 2-20 98- 8 94- 1 0- 1 98- 2 99- 1 94- 4 98- 8 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 1 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** 31.0 34.2 34.0 34.1 30.1 22.3 16.9 9.7 ****** 1991 8.1 8.9 14.0 22.1 27.0 32.9 34.4 32.7 28.6 21.2 15.6 10.4 21.3 1992 6.1 9.8 11.6 19.7 24.7 33.4 33.8 31.1 27.2 22.2 17.1 10.7 20.6 1993 6.1 11.1 13.4 22.2 28.1 33.2 33.1 31.9 29.6 20.5 15.3 10.8 21.3 1994 9.5 10.2 17.3 22.1 28.6 34.4 34.7 34.2 25.8 21.2 18.7 8.9 22.1 1995 9.8 10.8 13.8 21.1 27.1 33.1 37.1 34.2 28.7 22.3 16.7 7.9 21.9 1996 6.5 11.0 13.7 21.9 27.5 33.3 32.5 32.1 31.4 22.1 14.2 11.1 21.4 1997 9.2 10.3 13.9 20.4 27.2 33.4 36.1 33.6 29.2 23.2 14.2 9.8 21.7 1998 8.4 10.4 16.0 23.6 28.5 31.8 35.0 33.3 29.9 23.8 18.4 15.6 22.9 1999 8.2 13.0 14.7 23.4 29.4 35.2 34.3 32.9 29.0 24.3 15.2 11.1 22.6 2000 8.6 10.6 15.4 26.6 33.3 33.1 32.6 32.2 30.1 23.4 13.6 10.7 22.5 2001 7.9 11.2 16.6 26.8 31.7 34.3 34.9 33.1 29.7 24.3 16.5 13.3 23.4 2002 9.4 12.4 18.2 22.9 29.9 33.9 33.5 33.9 30.3 25.5 15.0 8.9 22.8 2003 9.4 12.6 15.7 24.0 26.0 33.3 36.6 32.8 28.8 24.5 14.4 8.8 22.2 MEAN 8.2 11.0 15.0 22.8 28.6 33.5 34.5 33.0 29.2 22.9 15.9 10.6 22.1 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 2 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF MINIMUM TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** 21.2 24.2 23.9 24.2 18.6 10.2 5.3 0.4 ****** 1991 0.3 2.2 8.0 13.5 17.1 22.5 24.4 22.6 18.5 11.7 6.0 4.8 12.6 1992 0.3 1.5 3.5 11.9 15.4 23.5 24.2 21.6 16.2 11.0 6.7 3.5 11.6 1993 -1.0 4.1 5.7 12.6 18.0 22.5 24.4 22.5 19.7 9.6 6.0 0.1 12.0 1994 1.4 1.5 8.1 12.3 19.5 24.0 26.0 25.3 16.4 11.1 9.2 0.9 13.0 1995 0.3 3.0 4.7 12.3 19.4 23.4 27.4 24.6 17.3 12.0 6.4 1.6 12.7 1996 0.6 3.8 7.5 12.8 17.8 24.9 25.2 23.7 20.2 10.2 2.8 1.8 12.6 1997 1.5 0.3 5.6 11.5 17.5 25.9 27.1 24.1 18.1 14.0 6.6 3.1 12.9 1998 2.1 2.9 8.4 13.8 18.6 22.1 25.0 24.7 19.1 13.4 7.3 4.8 13.5 1999 0.4 4.4 6.6 13.0 18.0 22.5 24.3 24.7 20.1 13.1 7.7 1.6 13.0 2000 0.5 3.2 6.0 18.1 21.2 21.7 23.5 23.9 21.2 12.9 5.7 3.8 13.5 2001 -1.1 1.6 7.8 16.0 21.6 25.6 26.0 24.5 21.2 14.7 7.3 5.4 14.2 2002 1.7 4.1 8.5 15.0 20.2 23.4 25.7 23.7 19.1 12.6 4.8 -1.6 13.1 2003 1.0 4.7 6.5 12.5 11.9 21.3 27.2 23.6 18.7 12.6 4.1 1.4 12.1 MEAN 0.6 2.9 6.7 13.5 18.4 23.4 25.3 23.8 18.9 12.1 6.1 2.3 12.8 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 3 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF MAXIMUM TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** 36.0 38.6 38.5 38.8 35.1 27.4 22.6 15.1 ****** 1991 12.6 12.9 18.6 26.1 31.2 36.8 38.4 37.4 33.3 26.1 20.6 14.5 25.7 1992 10.4 15.0 15.9 24.0 28.7 37.2 38.2 35.6 31.9 27.4 22.7 15.4 25.2 1993 9.9 15.0 17.5 26.5 32.1 37.1 36.9 35.9 33.9 25.5 20.3 16.3 25.6 1994 14.1 15.5 22.1 26.7 32.6 38.6 38.9 38.3 30.1 25.2 23.4 13.7 26.6 1995 14.9 15.3 18.4 25.3 30.7 36.8 40.9 38.5 34.3 27.8 22.6 11.9 26.4 1996 10.6 16.0 17.6 26.5 31.4 37.1 36.1 36.2 36.3 27.4 19.6 17.1 26.0 1997 14.0 15.8 18.9 24.9 31.2 37.4 40.5 38.6 34.8 28.2 18.8 14.2 26.4 1998 12.9 15.2 20.2 28.3 33.0 35.8 39.1 38.0 35.4 29.5 24.2 22.2 27.8 1999 13.6 17.6 19.4 27.8 33.6 39.9 38.5 37.0 34.1 30.1 20.9 17.7 27.5 2000 13.5 15.4 20.7 31.6 37.4 37.5 37.0 36.3 35.2 28.8 18.4 16.3 27.4 2001 13.2 17.1 22.8 31.5 36.2 38.8 39.6 37.7 34.3 30.3 21.9 17.8 28.4 2002 13.9 17.3 23.5 27.2 34.4 38.8 38.0 39.0 35.1 30.4 20.8 14.3 27.7 2003 14.1 17.3 20.0 28.4 30.6 37.7 41.2 37.7 33.7 30.1 20.2 13.7 27.1 MEAN 12.9 15.8 19.6 27.3 32.8 37.7 38.7 37.5 34.1 28.1 21.2 15.7 26.8 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 4 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** 14.8 14.4 14.6 14.6 16.5 17.2 17.3 14.7 ****** 1991 12.3 10.7 10.6 12.6 14.1 14.3 14.0 14.8 14.8 14.4 14.6 9.7 13.1 1992 10.1 13.5 12.4 12.1 13.3 13.7 14.0 14.0 15.7 16.4 16.0 11.9 13.6 1993 10.9 10.9 11.8 13.9 14.1 14.6 12.5 13.4 14.2 15.9 14.3 16.2 13.6 1994 12.7 14.0 14.0 14.4 13.1 14.6 12.9 13.0 13.7 14.1 14.2 12.8 13.6 1995 14.6 12.3 13.7 13.0 11.3 13.4 13.5 13.9 17.0 15.8 16.2 10.3 13.7 1996 10.0 12.2 10.1 13.7 13.6 12.2 10.9 12.5 16.1 17.2 16.8 15.3 13.4 1997 12.5 15.5 13.3 13.4 13.7 11.5 13.4 14.5 16.7 14.2 12.2 11.1 13.5 1998 10.8 12.3 11.8 14.5 14.4 13.7 14.1 13.3 16.3 16.1 16.9 17.4 14.3 1999 13.2 13.2 12.8 14.8 15.6 17.4 14.2 12.3 14.0 17.0 13.2 16.1 14.5 2000 13.0 12.2 14.7 13.5 16.2 15.8 13.5 12.4 14.0 15.9 12.7 12.5 13.9 2001 14.3 15.5 15.0 15.5 14.6 13.2 13.6 13.2 13.1 15.6 14.6 12.4 14.2 2002 12.2 13.2 15.0 12.2 14.2 15.4 12.3 15.3 16.0 17.8 16.0 15.9 14.6 2003 13.1 12.6 13.5 15.9 18.7 16.4 14.0 14.1 15.0 17.5 16.1 12.3 15.0 MEAN 12.3 12.9 12.9 13.8 14.4 14.3 13.4 13.7 15.2 16.0 15.1 13.4 14.0 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 5 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF MEAN DAILY TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** 28.6 31.4 31.2 31.5 26.9 18.8 13.9 7.8 ****** 1991 6.5 7.5 13.3 19.8 24.1 29.6 31.4 30.0 25.9 18.9 13.3 9.6 19.2 1992 5.3 8.3 9.7 17.9 22.1 30.4 31.2 28.6 24.1 19.2 14.7 9.5 18.4 1993 4.5 9.6 11.6 19.5 25.1 29.8 30.6 29.2 26.8 17.5 13.2 8.2 18.8 1994 7.7 8.5 15.1 19.5 26.1 31.3 32.5 31.8 23.2 18.2 16.3 7.3 19.8 1995 7.6 9.2 11.5 18.8 25.1 30.1 34.1 31.5 25.8 19.9 14.5 6.8 19.6 1996 5.6 9.9 12.5 19.6 24.6 31.0 30.7 30.0 28.3 18.8 11.2 9.5 19.3 1997 7.7 8.0 12.2 18.2 24.4 31.7 33.8 31.3 26.4 21.1 12.7 8.6 19.7 1998 7.5 9.0 14.3 21.0 25.8 29.0 32.0 31.3 27.3 21.4 15.7 13.5 20.7 1999 7.0 11.0 13.0 20.4 25.8 31.2 31.4 30.9 27.1 21.6 14.3 9.7 20.3 2000 7.0 9.3 13.3 24.9 29.3 29.6 30.3 30.1 28.2 20.8 12.1 10.1 20.4 2001 6.1 9.4 15.3 23.8 28.9 32.2 32.8 31.1 27.8 22.5 14.6 11.6 21.3 2002 7.8 10.7 16.0 21.1 27.3 31.1 31.8 31.3 27.1 21.5 12.8 6.3 20.4 2003 7.6 11.0 13.3 20.4 21.3 29.5 34.2 30.6 26.2 21.3 12.2 7.6 19.6 MEAN 6.8 9.3 13.2 20.4 25.6 30.6 32.0 30.7 26.5 20.1 13.7 9.0 19.8 SD 1.10 1.11 1.73 2.00 2.38 0.97 1.30 0.97 1.44 1.53 1.45 1.94 1.49 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 6 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M TEMPERATURE RECORDS LOWEST IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** 17.0 19.0 18.5 21.0 12.6 4.0 -1.0 -11.0 ****** DAY ** ** ** ** 1 2 14 15 27 17 15 30 1991 -5.0 -6.0 1.0 7.8 11.0 17.0 19.8 15.6 9.0 7.0 -2.0 -2.0 -6.0 DAY 7 16 4 14 8 24 23 11 28 15 29 19 1992 -5.6 -6.4 -5.8 5.0 9.6 18.6 20.0 17.0 13.0 5.0 0.0 -2.5 -6.4 DAY 29 17 13 6 4 2 30 19 13 20 28 11 1993 -6.4 -4.0 -2.0 7.4 11.0 18.0 20.0 19.0 13.5 2.5 -1.4 -5.0 -6.4 DAY 17 18 24 13 8 1 24 28 25 9 18 7 1994 -5.0 -7.0 0.6 2.4 15.0 20.5 22.0 22.0 11.8 5.0 3.0 -7.0 -7.0 DAY 12 21 3 5 10 3 2 10 27 13 12 8 1995 -5.2 -3.0 -2.8 7.0 14.5 19.0 22.0 21.0 12.0 3.5 -4.0 -3.0 -5.2 DAY 10 26 7 8 1 2 26 22 24 30 29 1 1996 -10.0 -2.0 1.0 1.5 12.0 19.0 23.0 18.5 15.0 3.0 -6.0 -7.0 -10.0 DAY 16 25 16 7 1 17 14 31 30 21 20 5 1997 -3.0 -7.5 -2.5 4.0 10.5 21.0 22.0 19.0 14.0 8.0 0.0 -5.0 -7.5 DAY 21 10 1 14 7 3 12 31 10 25 26 29 1998 -3.0 -4.0 -0.5 8.0 11.5 18.0 2.4 20.5 12.5 7.0 3.0 -1.0 -4.0 DAY 15 18 4 7 4 13 27 30 18 17 27 8 1999 -6.0 -3.0 0.0 7.0 13.0 18.5 21.5 22.0 10.0 10.0 0.0 -3.4 -6.0 DAY 3 2 19 13 13 1 14 16 30 6 30 7 2000 -8.5 -3.0 -1.0 8.0 19.0 17.0 19.0 21.0 15.5 9.0 -1.0 -3.0 -8.5 DAY 15 10 4 3 1 14 20 20 27 7 13 31 2001 -10.0 -6.0 -1.0 11.5 17.0 22.5 21.5 21.0 15.0 9.0 -1.0 -1.5 -10.0 DAY 29 1 12 1 8 4 30 15 15 28 21 23 2002 -4.5 -4.5 0.0 6.0 17.0 17.0 22.0 16.0 11.0 4.5 1.0 -8.5 -8.5 DAY 19 5 8 5 15 9 5 15 27 21 19 5 2003 -7.0 -2.0 -6.0 3.0 7.0 17.5 23.0 18.0 5.0 9.0 -5.0 -11.0 -11.0 DAY 3 1 3 19 3 8 5 27 29 21 24 14 1990-2003 -10.0 -7.5 -6.0 1.5 7.0 17.0 2.4 15.6 5.0 2.5 -6.0 -11.0 -11.0 YEAR-DAY 96-16 97-10 3- 3 96- 7 3- 3 91-24 98-27 91-11 3-29 93- 9 96-20 90-30 90 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 7 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M TEMPERATURE RECORDS HIGHEST IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** 39.5 43.0 42.6 42.0 39.6 34.0 28.0 23.0 ****** DAY ** ** ** ** 25 28 4 9 2 2 11 6 1991 19.0 21.0 25.5 35.0 39.4 42.6 44.0 41.8 41.0 28.0 28.2 22.0 44.0 DAY 25 28 25 25 30 7 9 7 9 12 2 10 1992 16.5 25.0 23.6 31.2 34.5 41.0 42.0 40.0 36.6 30.5 27.0 21.0 42.0 DAY 2 25 30 14 23 26 6 6 26 6 12 4 1993 17.6 20.0 24.5 32.6 38.0 43.0 40.2 38.2 37.0 35.4 28.0 18.6 43.0 DAY 29 2 8 20 27 21 4 23 4 1 3 19 1994 22.8 20.6 28.0 36.5 36.0 44.6 42.2 42.0 37.0 32.0 27.8 22.6 44.6 DAY 5 1 31 26 15 22 18 4 1 2 7 20 1995 19.8 21.4 24.8 30.8 37.0 42.5 44.0 41.0 37.5 35.0 28.5 17.0 44.0 DAY 31 5 25 4 7 16 15 12 11 6 2 3 1996 18.5 23.5 24.0 34.0 38.0 42.0 40.0 40.0 41.5 32.0 27.0 22.5 42.0 DAY 6 10 26 24 31 6 8 25 11 1 3 29 1997 20.5 26.5 26.5 30.0 37.5 42.0 43.0 42.0 39.0 35.5 25.5 20.0 43.0 DAY 1 22 24 28 23 18 7 16 4 7 5 10 1998 18.5 24.0 30.5 35.0 38.0 39.0 46.5 43.0 40.0 36.5 28.0 26.5 46.5 DAY 26 8 30 18 13 3 7 18 6 2 1 11 1999 19.0 23.0 26.5 32.5 38.0 44.0 44.5 40.0 38.5 33.5 29.0 22.0 44.5 DAY 16 20 27 29 20 29 7 30 2 13 1 10 2000 20.5 21.5 31.0 35.0 40.5 43.0 40.0 39.0 39.0 32.0 28.5 21.5 43.0 DAY 1 26 24 11 27 28 7 3 4 1 2 1 2001 19.0 24.0 29.0 36.0 40.0 43.0 44.0 40.0 39.5 33.5 28.5 22.0 44.0 DAY 4 21 31 28 17 10 14 26 7 2 7 5 2002 22.5 23.0 30.0 35.0 40.5 42.5 42.5 42.0 38.5 34.0 28.0 20.0 42.5 DAY 8 27 18 29 30 20 1 19 12 7 1 9 2003 20.2 23.0 26.0 36.0 35.8 41.5 43.5 43.5 38.0 35.5 30.0 21.0 43.5 DAY 14 20 20 29 19 27 3 1 12 4 1 7 1990-2003 22.8 26.5 31.0 36.5 40.5 44.6 46.5 43.5 41.5 36.5 30.0 26.5 46.5 YEAR-DAY 94- 5 97-22 0-24 94-26 0-27 94-22 98- 7 3- 1 96-11 98- 2 3- 1 98-11 98 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 8 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M 0C COOLING DEGREE DAYS (BASE 21) YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** 235.4 311.9 317.2 325.4 176.5 12.1 0.0 0.0 ****** 1991 0.0 0.0 0.0 30.4 103.5 259.3 313.9 270.5 165.7 1.5 0.0 0.0 1144.9 1992 0.0 0.0 0.0 17.5 60.5 280.8 316.7 227.8 88.4 6.3 0.0 0.0 998.1 1993 0.0 0.0 0.0 17.1 134.3 264.0 298.7 253.1 173.8 17.7 0.0 0.0 1158.8 1994 0.0 0.0 0.0 42.6 157.1 309.2 355.6 334.9 73.0 6.4 0.0 0.0 1278.9 1995 0.0 0.0 0.0 7.9 126.1 273.5 406.7 327.0 144.7 49.3 0.0 0.0 1335.2 1996 0.0 0.0 0.0 29.8 111.5 301.5 299.5 278.3 218.7 7.8 0.0 0.0 1247.0 1997 0.0 0.0 0.0 3.3 113.9 320.0 397.0 320.5 163.1 47.0 0.0 0.0 1364.8 1998 0.0 0.0 6.8 49.5 157.2 239.7 345.0 320.7 183.4 51.3 0.0 0.0 1353.6 1999 0.0 0.0 0.0 25.3 148.7 306.7 322.0 305.5 186.7 32.0 0.0 0.0 1327.0 2000 0.0 0.0 5.3 126.7 258.7 258.6 287.0 281.1 216.5 22.0 0.0 0.0 1455.9 2001 0.0 0.0 1.6 87.0 245.1 336.5 365.2 312.2 203.0 53.0 0.0 0.0 1603.8 2002 0.0 0.0 4.0 51.8 195.2 303.0 336.0 320.2 183.7 38.0 0.0 0.0 1431.9 2003 0.0 0.0 0.6 38.7 46.4 255.2 409.2 298.8 162.5 31.5 1.5 0.0 1244.6 MEAN 0.0 0.0 1.4 40.6 149.6 287.2 340.7 298.3 167.1 26.8 0.1 0.0 1311.8 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 9 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M 0C HEATING DEGREE DAYS (BASE 18) YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** 0.0 0.0 0.0 0.0 0.0 27.9 125.5 305.4 ****** 1991 357.7 292.6 147.9 25.1 0.0 0.0 0.0 0.0 7.3 6.4 148.0 259.9 1244.8 1992 393.5 271.0 256.5 60.5 4.0 0.0 0.0 0.0 0.0 11.5 97.0 264.8 1358.9 1993 419.3 236.0 198.7 16.8 0.0 0.0 0.0 0.0 0.0 53.0 155.2 303.1 1382.1 1994 318.0 266.4 93.3 35.8 0.0 0.0 0.0 0.0 0.0 35.1 62.6 332.7 1143.9 1995 321.5 247.6 200.6 25.0 0.0 0.0 0.0 0.0 0.0 36.3 115.4 347.9 1294.2 1996 383.9 234.7 169.9 29.8 0.0 0.0 0.0 0.0 0.0 22.5 204.2 264.9 1310.0 1997 318.8 280.3 179.9 33.5 2.0 0.0 0.0 0.0 0.0 9.1 162.2 290.0 1275.8 1998 324.5 250.7 141.2 16.9 0.0 0.0 0.0 0.0 0.0 2.3 72.8 139.5 947.9 1999 340.6 196.2 160.7 12.3 0.0 0.0 0.0 0.0 0.0 0.0 114.5 258.6 1083.0 2000 340.5 251.2 159.5 0.8 0.0 0.0 0.0 0.0 0.0 3.8 188.8 246.2 1190.8 2001 370.4 242.0 99.8 0.0 0.0 0.0 0.0 0.0 0.0 0.5 105.3 198.0 1015.9 2002 315.2 203.6 89.8 18.0 0.0 0.0 0.0 0.0 0.0 2.0 157.1 361.6 1147.2 2003 323.5 195.5 152.7 22.7 5.7 0.0 0.0 0.0 1.5 0.0 184.0 323.8 1209.4 MEAN 348.3 243.7 157.7 22.8 0.8 0.0 0.0 0.0 0.6 15.0 135.2 278.3 1202.4 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 10 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1991 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1992 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1993 ***** -1.2 -1.3 1.8 3.0 1.9 3.1 0.2 -1.8 -8.1 -3.8 -7.4 ****** 1994 -5.6 -8.8 -3.0 -2.0 2.0 1.5 4.4 7.1 -3.8 1.6 0.9 -5.9 -1.0 1995 -4.0 -4.0 -4.4 0.6 -4.1 3.0 9.1 1.1 -4.8 -4.6 -9.7 -1.6 -1.9 1996 -5.1 -1.3 2.7 0.8 2.5 4.5 2.1 -2.1 -0.4 -0.9 -4.0 -5.5 -0.6 1997 -3.9 -7.9 0.8 3.2 3.2 6.6 5.9 9.2 -1.2 3.1 1.9 1.4 1.9 1998 -1.3 -1.6 1.1 3.0 2.5 4.1 6.6 5.7 4.5 -1.8 -2.6 -3.6 1.4 1999 -3.1 0.8 0.1 1.3 2.3 3.6 7.1 3.1 3.0 2.9 0.3 -2.8 1.6 2000 -2.0 -3.8 -5.9 1.2 5.2 3.1 3.8 2.3 3.2 -0.3 -2.0 -1.2 0.3 2001 -4.9 -5.6 1.8 -2.4 3.6 7.1 5.6 4.4 3.6 1.6 -1.2 3.1 1.4 2002 -1.4 -2.6 -4.3 3.9 2.3 4.7 6.2 12.8 2.5 3.0 2.3 -3.2 2.2 2003 -1.4 -0.7 -0.4 2.9 5.3 6.9 4.4 0.6 0.7 -2.1 -6.2 -5.2 0.4 MEAN -3.3 -3.3 -1.2 1.3 2.5 4.3 5.3 4.0 0.5 -0.5 -2.2 -2.9 0.4 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 11 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 1991 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 1992 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 1993 ***** 4.35 4.39 5.19 5.56 5.11 5.55 4.50 4.27 2.75 3.56 2.62 ***** 1994 3.16 2.34 3.71 4.07 5.24 4.99 6.15 7.49 3.66 5.19 4.82 3.07 4.49 1995 3.34 3.58 3.79 5.12 3.62 5.74 9.59 5.09 3.26 3.30 2.28 4.07 4.40 1996 3.17 4.11 5.65 4.85 5.44 6.47 5.15 3.94 4.51 4.40 3.37 3.16 4.52 1997 3.33 2.55 4.90 6.06 5.72 7.10 6.93 8.46 4.16 5.57 5.22 4.87 5.41 1998 4.12 4.09 4.88 5.62 5.46 6.00 7.24 6.86 6.30 4.20 3.71 3.45 5.16 1999 3.67 4.81 4.69 5.00 5.30 5.84 7.55 5.66 5.59 5.58 4.53 3.70 5.16 2000 4.05 3.38 3.02 5.41 7.12 6.38 5.81 5.37 5.54 4.38 3.96 4.07 4.87 2001 3.03 2.99 5.12 3.87 5.79 7.72 6.74 6.16 5.80 4.97 4.11 5.53 5.15 2002 4.13 3.84 3.35 6.30 5.31 6.29 6.88 11.39 5.40 5.54 5.25 3.69 5.61 2003 4.14 4.30 4.51 5.50 6.81 7.35 6.19 4.89 4.76 4.02 3.07 3.25 4.90 MEAN 3.61 3.67 4.36 5.18 5.58 6.27 6.71 6.35 4.84 4.54 3.99 3.77 4.91 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 12 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 1991 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 1992 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 1993 ***** 6.18 6.22 7.33 7.84 7.19 7.79 6.35 6.04 3.92 5.07 3.75 ***** 1994 4.49 3.33 5.26 5.76 7.40 7.00 8.60 10.47 5.18 7.37 6.85 4.37 6.34 1995 4.76 5.08 5.37 7.22 5.12 8.06 13.28 7.16 4.63 4.70 3.25 5.80 6.20 1996 4.52 5.84 7.98 6.87 7.68 9.08 7.26 5.56 6.37 6.25 4.82 4.52 6.40 1997 4.74 3.64 6.91 8.55 8.08 9.96 9.68 11.84 5.89 7.90 7.42 6.93 7.63 1998 5.84 5.80 6.90 7.94 7.70 8.45 10.13 9.64 8.87 5.97 5.29 4.93 7.29 1999 5.24 6.83 6.64 7.07 7.48 8.20 10.56 7.95 7.89 7.91 6.45 5.28 7.29 2000 5.75 4.81 4.29 7.63 9.98 8.92 8.16 7.55 7.82 6.23 5.64 5.80 6.88 2001 4.33 4.25 7.26 5.47 8.15 10.78 9.43 8.67 8.18 7.06 5.85 7.87 7.27 2002 5.87 5.45 4.76 8.85 7.49 8.83 9.66 15.82 7.65 7.87 7.47 5.25 7.91 2003 5.89 6.09 6.38 7.78 9.60 10.29 8.67 6.88 6.73 5.71 4.39 4.64 6.92 MEAN 5.14 5.21 6.18 7.32 7.87 8.80 9.38 8.90 6.84 6.44 5.68 5.38 6.93 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 13 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 1991 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 1992 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** 1993 ***** 7.62 9.93 20.56 31.74 45.47 43.84 42.08 36.64 21.77 13.60 9.95 ***** 1994 8.00 9.98 15.53 22.92 32.66 49.25 48.07 44.74 29.26 18.79 15.61 8.01 25.24 1995 8.00 8.53 11.28 18.93 31.66 43.98 51.27 47.83 36.49 24.32 17.54 5.25 25.42 1996 5.88 8.00 8.33 20.95 30.44 43.68 42.42 43.50 41.33 21.75 12.56 9.56 24.03 1997 7.63 10.17 9.67 16.35 29.49 42.59 51.15 41.44 36.21 22.36 9.62 5.65 23.53 1998 5.65 7.59 12.70 22.76 32.80 39.39 47.95 42.67 35.35 25.35 17.11 13.86 25.27 1999 6.21 8.90 11.00 22.85 34.71 50.28 45.31 42.96 33.62 23.93 11.59 8.71 25.01 2000 6.19 8.60 14.50 28.72 42.48 43.34 42.08 41.50 36.23 23.91 11.05 7.64 25.52 2001 7.10 9.94 13.08 30.89 39.96 44.97 47.92 43.27 35.30 24.84 13.99 7.92 26.60 2002 6.76 9.73 17.72 20.64 36.20 45.67 43.21 38.69 36.96 26.07 10.63 6.88 24.93 2003 6.56 9.32 12.59 23.78 25.67 42.24 54.51 44.11 34.72 26.64 13.47 7.57 25.10 MEAN 6.80 8.94 12.39 22.67 33.44 44.62 47.07 42.98 35.65 23.61 13.34 8.27 24.98 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 14 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 *** 48 42 30 22 15 16 14 16 16 31 31 *** 1994 41 29 29 23 20 13 16 20 16 29 33 38 26 1995 41 41 36 32 15 16 21 14 13 19 18 57 27 1996 49 48 54 28 23 19 15 12 15 24 31 35 29 1997 44 31 45 37 23 20 17 23 15 31 47 59 33 1998 54 48 41 30 21 19 19 20 21 21 26 29 29 1999 50 47 41 25 19 15 20 16 21 27 38 43 30 2000 52 40 26 22 21 19 17 16 19 23 39 48 29 2001 44 34 40 16 18 20 17 18 21 24 32 54 28 2002 51 40 25 33 19 18 19 30 18 26 47 48 31 2003 54 44 37 28 29 21 15 15 17 19 27 41 29 MEAN 48 41 38 28 21 18 17 18 17 24 34 44 28 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 15 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 *** 75 66 52 39 25 26 24 27 27 50 50 *** 1994 63 49 51 39 33 22 22 29 24 43 50 56 40 1995 61 65 62 53 28 25 29 22 23 34 33 79 43 1996 72 73 79 47 38 28 24 19 22 35 47 55 45 1997 62 55 63 55 37 30 25 29 23 45 70 80 48 1998 77 74 60 49 32 28 27 29 29 31 38 41 43 1999 76 71 59 39 29 21 27 25 32 39 51 74 45 2000 70 65 45 34 34 27 26 25 27 37 58 72 43 2001 70 53 54 28 28 29 25 25 34 38 49 77 43 2002 69 65 46 52 35 27 29 39 28 43 74 75 49 2003 76 66 60 45 44 32 24 23 25 28 41 62 44 MEAN 70 65 59 45 34 27 26 26 27 36 51 66 44 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 16 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 *** 32 25 19 15 11 11 10 10 9 19 19 *** 1994 26 17 18 15 13 9 12 14 10 22 23 23 17 1995 27 25 22 20 8 12 15 9 7 11 10 41 17 1996 32 31 33 18 15 13 11 8 10 17 20 22 19 1997 32 18 34 25 16 14 12 18 10 21 33 43 23 1998 38 32 30 19 13 13 14 14 16 14 17 19 20 1999 34 33 30 17 13 9 15 12 14 19 28 26 21 2000 37 22 16 15 14 13 12 12 14 15 26 33 19 2001 29 19 31 9 13 15 13 12 14 16 22 38 19 2002 38 24 14 23 12 12 14 24 13 16 30 31 21 2003 37 27 23 18 19 15 10 9 12 13 18 27 19 MEAN 33 25 25 18 14 12 13 13 12 16 22 29 19 RH=0 =====> RELATIVE HUMIDITY < 0.5% =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 17 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF RELATIVE HUMIDITY AT 03 UTC. IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 *** 74 62 51 38 25 26 24 27 27 50 48 *** 1994 63 48 51 38 32 22 22 28 22 42 47 53 39 1995 58 62 61 51 26 24 28 22 23 33 30 75 41 1996 69 70 78 46 38 28 24 19 22 33 44 53 44 1997 62 55 58 52 35 29 25 29 23 44 69 78 47 1998 75 72 58 47 31 28 27 28 30 30 36 40 42 1999 73 69 58 38 29 20 27 25 30 39 51 74 44 2000 69 65 43 34 34 27 26 24 27 37 57 71 43 2001 70 52 53 28 28 29 24 24 34 38 48 76 42 2002 65 65 45 51 34 27 29 38 27 42 73 73 47 2003 75 64 56 45 43 32 24 23 23 27 41 59 43 MEAN 68 63 57 44 33 26 26 26 26 36 50 64 43 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 18 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF RELATIVE HUMIDITY AT 09 UTC. IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 *** 38 33 21 17 12 12 11 12 12 21 21 *** 1994 32 21 23 17 15 11 14 18 13 25 25 28 20 1995 31 29 27 26 14 14 17 12 11 13 12 47 21 1996 39 36 45 21 18 15 13 10 12 19 23 25 23 1997 35 21 39 30 18 17 14 21 12 25 37 48 26 1998 44 36 34 22 15 15 15 16 18 16 20 21 23 1999 38 38 33 20 15 13 17 13 18 22 31 29 24 2000 45 34 19 17 17 15 14 13 16 17 28 38 23 2001 32 26 33 11 15 18 15 15 15 19 24 40 22 2002 42 29 16 27 14 14 16 28 16 20 35 37 25 2003 44 33 30 24 24 18 12 11 15 16 20 32 23 MEAN 38 31 30 21 17 15 14 15 14 19 25 33 23 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 19 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF RELATIVE HUMIDITY AT 15 UTC. IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** *** *** *** *** *** *** *** *** *** 1991 *** *** *** *** *** *** *** *** *** *** *** *** *** 1992 *** *** *** *** *** *** *** *** *** *** *** *** *** 1993 *** 43 40 26 20 12 14 12 15 15 31 30 *** 1994 36 26 23 20 19 11 15 17 15 28 35 40 24 1995 44 39 31 30 11 14 20 10 7 17 19 59 25 1996 51 47 45 25 19 16 13 11 14 28 34 36 28 1997 43 24 47 36 22 17 15 22 13 31 47 63 32 1998 48 47 39 27 22 17 19 17 20 20 28 30 28 1999 45 44 41 24 17 14 18 16 20 26 38 41 29 2000 48 28 25 20 18 16 15 14 18 24 39 48 26 2001 41 35 38 17 16 18 15 17 19 21 33 57 27 2002 55 38 24 29 16 14 17 26 16 22 43 43 29 2003 52 44 35 21 23 18 11 12 17 18 29 41 27 MEAN 46 38 35 25 18 15 16 16 16 23 34 44 27 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 20 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF DAYS WITH MAXIMUM TEMPERATURE EQUAL 30 AND ABOVE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 31 30 31 31 30 6 0 0 *** 1991 0 0 0 7 20 30 30 31 22 0 0 0 140 1992 0 0 0 4 16 30 31 29 24 8 0 0 142 1993 0 0 0 4 21 30 31 31 29 4 0 0 150 1994 0 0 0 8 25 30 31 31 16 2 0 0 143 1995 0 0 0 1 17 30 31 31 28 13 0 0 151 1996 0 0 0 7 18 30 31 31 30 5 0 0 152 1997 0 0 0 2 21 30 31 31 29 10 0 0 154 1998 0 0 3 12 25 30 31 31 30 9 0 0 171 1999 0 0 0 7 28 30 31 31 26 18 0 0 171 2000 0 0 1 22 31 30 31 31 30 15 0 0 191 2001 0 0 0 26 31 30 31 31 26 22 0 0 197 2002 0 0 1 10 30 30 31 31 30 17 0 0 180 2003 0 0 0 13 19 30 31 31 26 20 1 0 171 MEAN 0.0 0.0 0.4 9.5 23.8 30.0 30.9 30.9 26.9 10.6 0.1 0.0 163.1 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 21 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF DAYS WITH MAXIMUM TEMPERATURE EQUAL 00 AND BELOW YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 0 0 0 0 0 0 0 0 *** 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 1 0 0 0 0 0 0 0 0 0 0 0 1 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 1 0 0 0 0 0 0 0 0 0 0 0 1 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 22 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF DAYS WITH MINIMUM TEMPERATURE EQUAL 21 AND ABOVE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 19 26 29 31 8 0 0 0 *** 1991 0 0 0 0 3 21 30 25 10 0 0 0 89 1992 0 0 0 1 1 27 29 21 0 0 0 0 79 1993 0 0 0 0 9 23 30 26 11 0 0 0 99 1994 0 0 0 2 12 28 31 31 4 0 0 0 108 1995 0 0 0 0 6 25 31 31 2 0 0 0 95 1996 0 0 0 2 4 29 31 30 12 0 0 0 108 1997 0 0 0 0 7 30 31 24 2 2 0 0 96 1998 0 0 0 0 9 25 29 30 9 2 0 0 104 1999 0 0 0 0 5 23 31 31 15 0 0 0 105 2000 0 0 0 11 19 17 27 31 19 0 0 0 124 2001 0 0 0 3 20 30 31 31 18 1 0 0 134 2002 0 0 0 4 12 23 31 28 11 0 0 0 109 2003 0 0 0 0 1 17 31 29 8 0 0 0 86 MEAN 0.0 0.0 0.0 1.8 9.1 24.6 30.1 28.5 9.2 0.4 0.0 0.0 103.7 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 23 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF DAYS WITH MINIMUM TEMPERATURE EQUAL -4 AND BELOW YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 0 0 0 0 0 0 0 4 *** 1991 6 3 0 0 0 0 0 0 0 0 0 0 9 1992 8 3 2 0 0 0 0 0 0 0 0 0 13 1993 6 1 0 0 0 0 0 0 0 0 0 2 9 1994 2 2 0 0 0 0 0 0 0 0 0 8 12 1995 2 0 0 0 0 0 0 0 0 0 1 0 3 1996 5 0 0 0 0 0 0 0 0 0 5 4 14 1997 0 7 0 0 0 0 0 0 0 0 0 1 8 1998 0 1 0 0 0 0 0 0 0 0 0 0 1 1999 2 0 0 0 0 0 0 0 0 0 0 0 2 2000 6 0 0 0 0 0 0 0 0 0 0 0 6 2001 4 2 0 0 0 0 0 0 0 0 0 0 6 2002 3 1 0 0 0 0 0 0 0 0 0 12 16 2003 3 0 1 0 0 0 0 0 0 0 2 5 11 MEAN 3.6 1.5 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6 2.6 8.5 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 24 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF DAYS WITH MINIMUM TEMPERATURE EQUAL 00 AND BELOW YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 0 0 0 0 0 0 3 11 *** 1991 17 8 0 0 0 0 0 0 0 0 1 9 35 1992 15 13 5 0 0 0 0 0 0 0 1 3 37 1993 21 6 1 0 0 0 0 0 0 0 4 14 46 1994 10 10 0 0 0 0 0 0 0 0 0 16 36 1995 13 9 9 0 0 0 0 0 0 0 4 11 46 1996 13 6 0 0 0 0 0 0 0 0 8 6 33 1997 10 16 1 0 0 0 0 0 0 0 2 4 33 1998 8 6 2 0 0 0 0 0 0 0 0 4 20 1999 21 3 1 0 0 0 0 0 0 0 1 11 37 2000 16 3 3 0 0 0 0 0 0 0 2 7 31 2001 22 10 1 0 0 0 0 0 0 0 1 2 36 2002 14 7 2 0 0 0 0 0 0 0 0 20 43 2003 12 6 4 0 0 0 0 0 0 0 10 11 43 MEAN 14.8 7.9 2.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.6 9.2 36.7 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 25 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MONTHLY TOTAL OF PRECIPITATION IN MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.3 ****** 1991 22.1 39.2 67.7 7.4 10.4 0.0 0.0 0.0 0.0 0.0 0.0 47.3 194.1 1992 23.7 0.8 20.6 17.7 3.3 0.9 0.0 0.0 0.0 0.0 0.0 28.5 95.5 1993 30.8 32.3 19.7 21.9 2.3 0.2 0.0 0.0 0.0 0.0 15.0 0.0 122.2 1994 5.6 2.2 2.3 14.0 1.0 0.0 0.0 0.0 0.0 2.0 3.0 15.0 45.1 1995 9.8 29.0 42.4 78.5 0.0 0.0 0.0 0.0 0.0 0.2 0.0 22.2 182.1 1996 13.8 45.5 71.4 3.4 3.0 0.7 0.0 0.0 0.0 0.0 0.0 3.0 140.8 1997 23.0 0.0 20.4 18.0 3.0 0.0 0.0 0.0 0.0 11.2 25.0 41.0 141.6 1998 34.0 20.4 20.1 13.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 88.3 1999 14.4 48.8 24.5 0.2 0.0 0.0 0.0 0.0 4.0 0.0 0.8 0.0 92.7 2000 22.7 0.0 3.0 0.4 0.0 0.0 0.0 0.0 0.0 0.0 8.4 11.3 45.8 2001 3.0 2.0 10.9 0.0 0.6 0.0 0.0 0.0 0.0 0.0 1.0 10.3 27.8 2002 33.8 17.0 4.2 9.8 1.0 0.0 0.0 0.0 0.0 0.0 7.7 5.5 79.0 2003 52.0 10.0 38.5 3.2 2.4 0.0 0.0 0.6 0.0 0.0 0.0 4.5 111.2 MEAN 22.2 19.0 26.6 14.5 1.9 0.1 0.0 0.0 0.3 1.0 4.4 13.8 103.8 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 26 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M GREATEST DAILY OF PRECIPITATION IN MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 1991 6.4 16.0 18.0 7.0 9.0 0.0 0.0 0.0 0.0 0.0 0.0 39.0 39.0 DAY 22 8 1 1 4 ** ** ** ** ** ** 16 1992 5.0 0.2 8.0 7.0 2.0 0.9 0.0 0.0 0.0 0.0 0.0 10.0 10.0 DAY 6 3 22 1 11 9 ** ** ** ** ** 22 1993 12.0 21.0 5.0 14.0 1.1 0.2 0.0 0.0 0.0 0.0 8.0 0.0 21.0 DAY 14 5 10 14 7 4 ** ** ** ** 5 ** 1994 4.0 2.0 1.0 8.0 1.0 0.0 0.0 0.0 0.0 2.0 3.0 12.0 12.0 DAY 24 25 13 3 2 ** ** ** ** 17 18 5 1995 8.4 12.0 18.0 35.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0 7.0 35.0 DAY 13 7 19 25 ** ** ** ** ** 23 ** 5 1996 6.4 32.0 15.3 3.0 2.0 0.7 0.0 0.0 0.0 0.0 0.0 2.0 32.0 DAY 13 22 13 15 13 28 ** ** ** ** ** 16 1997 11.0 0.0 9.0 6.0 3.0 0.0 0.0 0.0 0.0 9.6 18.0 23.0 23.0 DAY 17 ** 26 23 6 ** ** ** ** 24 1 21 1998 8.0 14.0 6.0 4.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14.0 DAY 6 13 2 25 ** ** ** ** ** ** ** ** 1999 4.0 26.0 7.0 0.2 0.0 0.0 0.0 0.0 3.0 0.0 0.8 0.0 26.0 DAY 11 6 2 30 ** ** ** ** 28 ** 9 ** 2000 12.0 0.0 3.0 0.4 0.0 0.0 0.0 0.0 0.0 0.0 5.4 6.5 12.0 DAY 30 ** 27 19 ** ** ** ** ** ** 10 27 2001 3.0 2.0 7.0 0.0 0.6 0.0 0.0 0.0 0.0 0.0 1.0 4.9 7.0 DAY 28 22 11 ** 5 ** ** ** ** ** 30 15 2002 16.0 6.0 4.0 5.0 1.0 0.0 0.0 0.0 0.0 0.0 3.8 3.0 16.0 DAY 12 21 22 4 13 ** ** ** ** ** 7 23 2003 19.0 9.0 28.0 2.0 2.0 0.0 0.0 0.6 0.0 0.0 0.0 2.0 28.0 DAY 18 6 14 18 30 ** ** 2 ** ** ** 6 1990-2003 19.0 32.0 28.0 35.0 9.0 0.9 0.0 0.6 3.0 9.6 18.0 39.0 39.0 YEAR-DAY 3-18 96-22 3-14 95-25 91- 4 92- 9 **-** 3- 2 99-28 97-24 97- 1 91-16 91 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 27 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF DAYS WITH PRECIPITATION EQUAL TO OR GREATER THAN 10 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 0 0 0 0 0 0 0 0 *** 1991 0 2 3 0 0 0 0 0 0 0 0 1 6 1992 0 0 0 0 0 0 0 0 0 0 0 1 1 1993 1 1 0 1 0 0 0 0 0 0 0 0 3 1994 0 0 0 0 0 0 0 0 0 0 0 1 1 1995 0 2 2 3 0 0 0 0 0 0 0 0 7 1996 0 1 3 0 0 0 0 0 0 0 0 0 4 1997 1 0 0 0 0 0 0 0 0 0 1 1 3 1998 0 1 0 0 0 0 0 0 0 0 0 0 1 1999 0 2 0 0 0 0 0 0 0 0 0 0 2 2000 1 0 0 0 0 0 0 0 0 0 0 0 1 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 2 0 0 0 0 0 0 0 0 0 0 0 2 2003 2 0 1 0 0 0 0 0 0 0 0 0 3 MEAN 0.5 0.7 0.7 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.3 2.6 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 28 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF DAYS WITH PRECIPITATION EQUAL TO OR GREATER THAN 5 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 0 0 0 0 0 0 0 0 *** 1991 2 4 5 1 1 0 0 0 0 0 0 1 14 1992 1 0 2 2 0 0 0 0 0 0 0 3 8 1993 3 2 2 2 0 0 0 0 0 0 2 0 11 1994 0 0 0 1 0 0 0 0 0 0 0 1 2 1995 1 2 2 4 0 0 0 0 0 0 0 2 11 1996 1 2 5 0 0 0 0 0 0 0 0 0 8 1997 2 0 1 2 0 0 0 0 0 1 2 3 11 1998 4 1 1 0 0 0 0 0 0 0 0 0 6 1999 0 2 2 0 0 0 0 0 0 0 0 0 4 2000 1 0 0 0 0 0 0 0 0 0 1 1 3 2001 0 0 1 0 0 0 0 0 0 0 0 0 1 2002 2 1 0 1 0 0 0 0 0 0 0 0 4 2003 4 1 2 0 0 0 0 0 0 0 0 0 7 MEAN 1.6 1.2 1.8 1.0 0.1 0.0 0.0 0.0 0.0 0.1 0.4 0.8 7.0 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 29 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF DAYS WITH PRECIPITATION EQUAL TO OR GREATER THAN 1 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 0 0 0 0 0 0 0 2 *** 1991 8 5 8 1 2 0 0 0 0 0 0 4 28 1992 9 0 5 4 1 0 0 0 0 0 0 6 25 1993 4 3 6 3 2 0 0 0 0 0 4 0 22 1994 2 1 2 3 1 0 0 0 0 1 1 2 13 1995 1 5 5 8 0 0 0 0 0 0 0 5 24 1996 4 5 13 1 2 0 0 0 0 0 0 2 27 1997 3 0 7 6 1 0 0 0 0 2 3 6 28 1998 8 5 5 5 0 0 0 0 0 0 0 0 23 1999 4 7 6 0 0 0 0 0 2 0 0 0 19 2000 4 0 1 0 0 0 0 0 0 0 2 3 10 2001 1 1 2 0 0 0 0 0 0 0 1 2 7 2002 3 6 1 3 1 0 0 0 0 0 2 2 18 2003 6 2 3 2 1 0 0 0 0 0 0 2 16 MEAN 4.4 3.1 4.9 2.8 0.8 0.0 0.0 0.0 0.1 0.2 0.9 2.6 19.8 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 30 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 1 0 0 0 0 0 0 3 *** 1991 11 6 12 3 5 0 0 0 0 1 1 8 47 1992 13 6 7 8 5 1 0 0 0 0 0 9 49 1993 10 8 11 10 4 1 0 0 0 0 5 0 49 1994 5 3 4 4 1 0 0 0 0 1 1 3 22 1995 5 6 6 10 0 0 0 0 0 1 0 10 38 1996 5 9 19 5 4 2 0 0 0 1 0 2 47 1997 3 1 8 12 1 3 0 0 0 4 4 6 42 1998 8 7 7 8 1 0 0 0 0 0 0 0 31 1999 6 7 7 4 0 0 1 0 2 0 1 0 28 2000 5 2 1 1 0 0 0 0 1 1 5 6 22 2001 1 1 4 0 1 0 0 0 0 1 2 8 18 2002 5 7 2 5 2 0 0 0 0 0 4 4 29 2003 6 3 8 3 2 0 0 1 0 0 0 3 26 MEAN 6.4 5.1 7.4 5.6 1.9 0.5 0.1 0.1 0.2 0.7 1.6 4.4 34.0 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 31 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF DAYS WITH THUNDER STORM YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 0 0 0 0 0 0 0 0 *** 1991 1 0 2 0 1 0 0 0 0 0 0 0 4 1992 0 0 1 1 1 1 0 0 0 0 0 0 4 1993 0 0 0 3 1 0 0 0 0 0 0 0 4 1994 0 0 0 1 0 0 0 0 0 0 0 1 2 1995 1 0 1 3 0 0 0 0 0 0 0 0 5 1996 0 0 3 0 0 0 0 0 0 0 0 0 3 1997 0 0 1 2 0 0 0 0 0 1 0 1 5 1998 1 0 0 1 0 0 0 0 0 0 0 0 2 1999 0 1 0 0 0 0 0 0 1 0 0 0 2 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 1 0 0 0 0 0 0 0 0 0 0 1 2003 0 0 0 0 1 0 1 1 0 0 0 0 3 MEAN 0.2 0.2 0.6 0.8 0.3 0.1 0.1 0.1 0.1 0.1 0.0 0.1 2.7 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 32 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF DAYS WITH SNOW OR SLEET YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 0 0 0 0 0 0 0 1 *** 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 1 0 0 0 0 0 0 0 0 0 0 0 1 1993 2 0 0 0 0 0 0 0 0 0 0 0 2 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 2 0 0 0 0 0 0 0 0 0 0 0 2 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.5 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 33 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF DAYS WITH DUST YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 7 14 10 8 7 3 0 1 *** 1991 1 3 4 6 8 2 5 2 4 0 0 5 40 1992 5 8 2 5 9 6 4 2 0 0 2 1 44 1993 1 3 2 0 0 1 1 1 1 0 3 0 13 1994 1 4 3 2 5 3 2 1 0 0 1 1 23 1995 1 0 2 3 0 2 2 2 1 0 1 0 14 1996 0 1 0 4 0 3 8 6 4 0 0 0 26 1997 0 2 4 6 0 2 3 7 1 0 0 0 25 1998 1 1 2 3 3 2 0 0 0 1 0 1 14 1999 1 3 2 4 2 0 7 2 3 1 0 0 25 2000 1 0 5 1 0 3 5 2 0 0 0 0 17 2001 1 5 3 0 4 3 10 5 1 4 6 1 43 2002 1 4 10 6 8 10 1 0 0 0 0 0 40 2003 0 2 3 6 2 2 5 0 0 0 1 3 24 MEAN 1.1 2.8 3.2 3.5 3.4 3.8 4.5 2.7 1.6 0.6 1.0 0.9 29.1 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 34 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M PREVAILING WIND DIRECTION , SPEED (IN KNOTS) AND PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 360 90 90 45 45 360 270 360 *** PREVAIL. DIRECT. ***** ***** ***** ***** 14.2 20.9 21.2 19.8 18.2 14.5 11.1 11.0 ***** PREVAIL. SPEED ***** ***** ***** ***** 24.5 25.3 26.5 62.6 50.0 24.5 13.3 19.4 ***** PREVAIL. PERCENT ***** ***** ***** ***** 12.9 10.0 4.5 14.8 17.3 33.5 25.3 24.5 ***** CALMS PERCENT **** **** **** **** 155 150 155 155 150 155 150 155 1225 WIND OBSER. NO. 1991 45 360 360 360 270 360 45 45 45 360 360 90 45 PREVAIL. DIRECT. 10.5 15.4 15.6 13.4 13.6 13.4 18.0 17.0 17.4 12.4 14.9 10.6 15.7 PREVAIL. SPEED 13.5 26.4 18.1 24.0 18.1 28.0 57.4 64.5 50.0 26.5 18.0 12.9 23.1 PREVAIL. PERCENT 36.1 18.6 21.9 15.3 16.1 7.3 8.4 6.5 10.7 29.7 36.0 27.7 19.6 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1992 360 180 360 225 360 45 45 45 45 360 225 180 45 PREVAIL. DIRECT. 14.9 13.8 15.8 13.5 14.6 15.9 19.6 16.7 16.8 12.5 12.2 13.1 16.3 PREVAIL. SPEED 25.8 15.2 25.2 16.0 31.6 20.7 71.6 66.5 38.0 22.6 16.7 18.7 21.4 PREVAIL. PERCENT 11.6 22.1 11.0 18.0 12.9 16.7 4.5 9.0 12.7 23.9 21.3 29.0 16.0 CALMS PERCENT 155 145 155 150 155 150 155 155 150 155 150 155 1830 WIND OBSER. NO. 1993 360 360 360 360 360 45 45 45 45 360 360 360 45 PREVAIL. DIRECT. 12.0 13.9 14.0 12.4 15.0 17.8 20.8 20.7 20.9 15.5 14.5 12.3 18.8 PREVAIL. SPEED 25.8 21.4 25.2 20.0 27.7 35.3 67.7 70.3 52.0 31.0 28.0 14.2 23.9 PREVAIL. PERCENT 25.2 23.6 19.4 14.0 14.2 10.0 5.2 5.2 6.7 14.8 34.0 47.7 18.3 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1994 360 360 180 360 360 45 45 45 45 360 225 360 45 PREVAIL. DIRECT. 15.3 14.8 14.0 13.1 15.3 16.7 20.2 18.9 21.6 12.2 12.0 13.2 17.7 PREVAIL. SPEED 19.4 16.4 20.0 26.2 21.3 25.3 77.4 71.6 50.7 26.5 19.3 22.6 24.5 PREVAIL. PERCENT 27.1 11.4 14.2 14.8 12.3 16.0 6.5 11.0 10.0 29.7 32.0 39.4 18.8 CALMS PERCENT 155 140 155 149 155 150 155 155 150 155 150 155 1824 WIND OBSER. NO. 1995 180 360 360 225 360 360 45 45 45 360 315 360 45 PREVAIL. DIRECT. 8.4 11.6 12.6 12.4 15.0 13.7 18.9 17.3 13.2 12.9 10.3 8.6 15.4 PREVAIL. SPEED 10.3 15.0 17.4 15.3 25.2 20.7 58.7 68.4 27.3 25.2 12.7 12.3 21.0 PREVAIL. PERCENT 41.3 40.0 38.1 19.3 16.1 26.0 14.8 6.5 19.3 14.8 40.7 45.8 26.8 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1996 360 360 360 360 315 45 45 45 45 45 360 225 45 PREVAIL. DIRECT. 11.3 10.3 12.4 13.0 11.4 13.7 21.0 19.6 14.8 19.5 13.0 7.0 17.1 PREVAIL. SPEED 12.9 20.7 14.2 22.7 21.3 38.9 77.4 66.5 30.0 11.6 27.3 14.2 24.1 PREVAIL. PERCENT 52.3 26.9 31.0 14.7 26.5 18.8 5.8 9.7 31.3 42.6 42.0 43.9 28.8 CALMS PERCENT 155 145 155 150 155 149 155 155 150 155 150 155 1829 WIND OBSER. NO. 1997 135 315 180 360 360 45 45 45 45 360 360 180 45 PREVAIL. DIRECT. 7.1 12.5 10.9 10.9 11.7 15.0 17.9 16.7 14.7 11.9 13.2 8.5 15.7 PREVAIL. SPEED 13.5 13.6 18.7 13.3 26.5 26.0 69.7 64.5 23.3 12.3 14.7 10.3 19.5 PREVAIL. PERCENT 42.6 39.3 10.3 29.3 15.5 15.3 14.8 16.1 31.3 52.9 56.7 51.0 31.2 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1998 180 360 360 270 270 45 45 45 360 360 360 225 45 PREVAIL. DIRECT. 10.7 14.0 9.6 10.5 14.6 17.3 18.1 15.6 14.2 11.0 11.5 8.4 15.5 PREVAIL. SPEED 17.4 15.7 13.5 16.0 18.1 44.7 54.2 61.9 29.3 25.2 17.3 10.3 21.0 PREVAIL. PERCENT 32.3 32.9 32.3 25.3 31.6 18.7 22.6 7.1 26.7 23.9 40.0 60.6 29.5 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1999 360 180 360 270 360 45 45 45 45 360 360 360 360 PREVAIL. DIRECT. 13.2 13.6 11.4 11.3 15.8 12.8 14.0 16.2 12.3 11.9 13.3 8.1 12.8 PREVAIL. SPEED 18.1 15.0 17.4 20.7 19.4 20.7 38.7 55.5 19.3 21.3 33.3 20.0 19.3 PREVAIL. PERCENT 43.9 40.7 38.7 21.3 20.6 36.7 24.5 8.4 64.7 41.9 34.0 60.6 36.3 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 2000 315 360 225 360 360 360 45 45 45 360 360 180 360 PREVAIL. DIRECT. 13.5 12.6 10.1 9.1 11.2 11.7 18.2 16.2 14.3 12.0 13.0 7.2 12.2 PREVAIL. SPEED 16.1 16.6 14.2 34.0 20.0 22.7 43.9 71.6 34.7 16.1 16.7 13.5 18.0 PREVAIL. PERCENT 49.7 40.0 29.0 20.7 29.0 32.7 5.8 5.2 18.0 51.0 54.0 70.3 33.8 CALMS PERCENT 155 145 155 150 155 150 155 155 150 155 150 155 1830 WIND OBSER. NO. 2001 315 180 225 270 45 45 45 45 360 225 360 180 45 PREVAIL. DIRECT. 9.1 13.1 13.3 9.5 13.1 16.0 17.5 14.9 10.0 11.6 11.0 10.2 15.2 PREVAIL. SPEED 10.3 9.3 11.6 25.3 21.9 50.7 54.2 56.8 38.0 21.3 18.0 9.0 18.9 PREVAIL. PERCENT 64.5 61.4 57.4 34.7 16.8 15.3 9.7 14.2 20.7 24.5 31.3 60.0 34.1 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 2002 360 225 180 270 315 45 45 45 45 45 360 360 45 PREVAIL. DIRECT. 12.2 9.7 14.1 13.2 14.1 14.3 14.9 15.9 9.9 14.2 11.6 11.2 13.5 PREVAIL. SPEED 20.6 13.6 12.9 18.0 18.1 16.7 54.2 48.4 44.7 18.1 10.0 9.7 17.2 PREVAIL. PERCENT 31.0 25.7 32.3 25.3 22.6 31.3 7.7 23.2 22.7 51.0 58.0 63.9 32.9 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 2003 180 360 360 360 360 45 45 45 360 315 360 360 45 PREVAIL. DIRECT. 11.5 12.0 12.8 15.5 16.7 16.0 17.8 16.1 13.0 10.8 9.9 15.4 15.8 PREVAIL. SPEED 9.0 17.1 12.9 20.0 29.7 28.7 52.9 47.7 25.3 14.8 16.7 11.6 16.8 PREVAIL. PERCENT 58.7 35.7 34.8 20.0 19.4 30.0 20.6 14.2 32.0 42.6 54.0 66.5 35.7 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1990-2003 360 360 360 360 360 45 45 45 45 360 360 360 45 PREVAIL. DIRECT. 13.2 13.3 13.3 12.5 14.3 15.7 18.6 17.4 16.2 12.7 12.6 11.6 16.1 PREVAIL. SPEED 13.4 14.9 15.9 18.8 22.4 28.3 57.2 62.6 34.1 19.1 17.5 12.0 20.5 PREVAIL. PERCENT MEAN 39.7 32.2 28.5 21.0 19.0 20.3 11.1 10.8 23.1 34.1 40.0 49.4 27.4 CALMS PERCENT MEAN 155.0 141.2 155.0 149.9 155.0 149.9 155.0 155.0 150.0 155.0 150.0 155.0 1826.0 WIND OBSER. NO. =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 35 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M VECTOR WIND DIRECTION , MAGNITUDE (IN KNOTS) AND WIND STEADINESES (%) YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 357 47 102 39 25 350 295 11 *** VECTOR DIRECT. **** **** **** **** 3.2 8.8 9.2 13.5 11.0 4.5 0.8 2.3 **** WIND MAGNITUDE ***** ***** ***** ***** 26.4 60.3 49.5 87.1 82.1 54.2 11.4 28.0 ***** STEADINESES(%) 1991 337 334 292 340 322 16 34 43 30 1 318 174 14 VECTOR DIRECT. 1.7 2.3 1.1 4.9 4.3 5.6 11.8 11.5 9.8 4.7 2.5 1.2 4.2 WIND MAGNITUDE 24.3 20.7 11.3 45.4 39.1 42.7 78.1 79.3 70.5 56.6 35.2 13.8 38.5 STEADINESES(%) 1992 160 244 300 266 339 355 45 38 15 335 249 176 12 VECTOR DIRECT. 0.7 3.2 2.7 2.9 6.6 4.3 15.6 12.8 8.3 3.4 0.6 2.2 3.4 WIND MAGNITUDE 6.2 32.7 22.0 26.9 52.8 35.8 89.1 88.9 65.4 40.0 6.3 25.9 29.1 STEADINESES(%) 1993 334 206 325 275 337 12 38 34 36 348 330 322 16 VECTOR DIRECT. 0.9 1.5 2.1 2.8 6.6 7.8 17.0 16.9 12.3 6.7 2.1 1.1 5.3 WIND MAGNITUDE 10.6 14.7 19.8 25.9 54.5 56.5 91.4 90.9 74.1 58.8 24.7 25.6 44.2 STEADINESES(%) 1994 322 308 218 341 334 14 44 41 23 342 201 329 18 VECTOR DIRECT. 1.2 2.9 3.5 3.6 3.4 7.0 16.3 13.9 14.5 4.7 3.3 1.3 4.5 WIND MAGNITUDE 14.1 25.2 33.0 40.0 29.3 60.3 93.7 89.1 83.8 61.0 44.0 17.8 39.8 STEADINESES(%) 1995 271 345 313 271 6 360 44 41 13 343 307 32 17 VECTOR DIRECT. 0.7 1.2 1.8 1.7 6.9 4.2 12.0 13.1 3.8 4.2 1.7 0.3 3.6 WIND MAGNITUDE 13.5 20.0 27.3 18.9 58.5 40.0 83.9 86.2 40.0 42.4 27.9 6.7 40.0 STEADINESES(%) 1996 16 337 275 309 346 34 38 36 22 351 346 282 21 VECTOR DIRECT. 0.7 0.6 0.8 2.8 5.8 5.7 18.0 14.8 4.3 1.8 3.6 0.2 4.4 WIND MAGNITUDE 14.0 7.8 10.1 25.5 61.1 58.2 94.7 90.2 48.9 24.3 55.4 4.3 46.3 STEADINESES(%) 1997 187 287 246 252 356 7 44 38 13 300 13 205 16 VECTOR DIRECT. 1.3 2.8 2.9 1.4 5.7 6.1 13.7 12.0 5.8 1.4 2.3 0.9 3.2 WIND MAGNITUDE 24.5 40.0 28.4 18.9 57.6 57.0 94.5 90.2 60.4 27.5 42.6 20.9 37.2 STEADINESES(%) 1998 197 300 250 285 311 39 41 35 360 14 351 285 17 VECTOR DIRECT. 2.2 1.1 1.8 1.5 5.1 9.8 11.2 11.6 5.8 5.6 1.5 0.3 3.5 WIND MAGNITUDE 33.3 14.1 25.4 17.6 52.6 78.4 88.2 83.5 61.1 63.6 25.9 8.6 39.3 STEADINESES(%) 1999 344 183 349 297 326 348 23 28 26 316 344 343 355 VECTOR DIRECT. 2.6 3.3 0.5 5.2 7.1 3.2 7.4 13.2 3.2 2.6 3.8 1.9 3.3 WIND MAGNITUDE 46.4 50.0 6.6 54.2 59.2 42.1 72.5 91.7 76.2 42.6 45.8 61.3 41.8 STEADINESES(%) 2000 264 305 281 320 309 15 28 34 46 320 349 200 6 VECTOR DIRECT. 1.6 3.6 2.3 4.3 3.4 4.9 12.0 13.5 6.1 2.9 2.4 0.8 3.5 WIND MAGNITUDE 24.2 48.0 30.7 57.3 45.9 60.5 74.5 93.8 59.8 56.9 42.9 32.0 42.7 STEADINESES(%) 2001 304 231 280 285 344 38 30 32 357 283 245 202 5 VECTOR DIRECT. 1.6 2.0 2.5 2.7 4.4 8.8 11.4 10.3 5.4 2.5 2.0 0.6 2.9 WIND MAGNITUDE 47.1 41.7 43.9 39.1 44.9 71.0 81.4 83.1 62.8 27.8 26.3 15.4 35.4 STEADINESES(%) 2002 310 248 256 270 312 344 27 35 28 23 287 95 357 VECTOR DIRECT. 1.6 1.5 2.4 4.3 6.0 3.7 11.3 8.8 6.1 3.2 1.4 0.3 2.8 WIND MAGNITUDE 19.0 19.5 26.4 46.7 57.1 43.0 88.3 80.7 83.6 54.2 32.6 7.9 34.1 STEADINESES(%) 2003 179 320 270 296 356 40 47 29 12 301 307 321 10 VECTOR DIRECT. 1.3 1.3 2.0 3.9 8.5 6.7 9.2 12.0 7.0 1.9 1.6 1.8 3.6 WIND MAGNITUDE 35.1 18.1 23.5 36.4 65.4 63.2 70.8 90.9 75.3 32.8 34.8 43.9 41.4 STEADINESES(%) 1990-2003 291 277 273 298 338 22 41 36 22 344 320 306 13 VECTOR DIRECT. 0.6 1.4 1.7 2.9 5.2 5.9 12.1 12.7 7.2 3.3 1.4 0.3 3.7 WIND MAGNITUDE 9.2 17.3 19.5 31.2 47.7 53.2 79.1 87.6 66.7 42.9 20.9 5.9 38.5 STEADINESES(%) =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 36 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF WIND SPEED IN KNOTS YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** 12.1 14.6 18.6 15.5 13.4 8.3 7.0 8.2 ****** 1991 7.0 11.1 9.7 10.8 11.0 13.1 15.1 14.5 13.9 8.3 7.1 8.7 10.9 1992 11.3 9.8 12.3 10.8 12.5 12.0 17.5 14.4 12.7 8.5 9.6 8.5 11.7 1993 8.5 10.2 10.6 10.8 12.1 13.8 18.6 18.6 16.6 11.4 8.5 4.3 12.0 1994 8.5 11.5 10.6 9.0 11.6 11.6 17.4 15.6 17.3 7.7 7.5 7.3 11.3 1995 5.2 6.0 6.6 9.0 11.8 10.5 14.3 15.2 9.5 9.9 6.1 4.5 9.0 1996 5.0 7.7 7.9 11.0 9.5 9.8 19.0 16.4 8.8 7.4 6.5 4.6 9.5 1997 5.3 7.0 10.2 7.4 9.9 10.7 14.5 13.3 9.6 5.1 5.4 4.3 8.6 1998 6.6 7.8 7.1 8.5 9.7 12.5 12.7 13.9 9.5 8.8 5.8 3.5 8.9 1999 5.6 6.6 7.6 9.6 12.0 7.6 10.2 14.4 4.2 6.1 8.3 3.1 7.9 2000 6.6 7.5 7.5 7.5 7.4 8.1 16.1 14.4 10.2 5.1 5.6 2.5 8.2 2001 3.4 4.8 5.7 6.9 9.8 12.4 14.0 12.4 8.6 9.0 7.6 3.9 8.2 2002 8.4 7.7 9.1 9.2 10.5 8.6 12.8 10.9 7.3 5.9 4.3 3.8 8.2 2003 3.7 7.2 8.5 10.7 13.0 10.6 13.0 13.2 9.3 5.8 4.6 4.1 8.7 MEAN 6.5 8.1 8.7 9.3 10.9 11.1 15.3 14.5 10.8 7.7 6.7 5.1 9.6 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 37 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M FASTEST WIND DIRECTION AND SPEED IN KNOTS YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 130 70 120 60 60 340 290 210 *** DIRECTION ** ** ** ** 33 39 39 35 33 29 19 27 ** SPEED ** ** ** ** 6 22 17 25 9 8 1 25 DAY 1991 270 80 170 360 40 360 40 40 60 340 340 340 170 DIRECTION 41 29 43 29 31 27 33 27 37 19 29 23 43 SPEED 25 1 25 7 4 8 22 20 11 8 7 18 DAY 1992 190 180 360 220 360 360 60 50 40 360 180 350 220 DIRECTION 29 29 29 39 39 35 33 33 31 29 25 29 39 SPEED 3 25 10 26 11 10 29 29 10 16 25 4 DAY 1993 240 150 360 210 280 40 40 10 40 360 360 340 40 DIRECTION 23 33 29 39 39 35 43 39 39 29 43 23 43 SPEED 9 3 22 26 7 23 17 9 6 6 14 6 DAY 1994 30 190 190 360 250 280 50 60 30 350 270 180 50 DIRECTION 29 29 29 23 31 25 41 31 31 35 29 29 41 SPEED 10 1 12 4 1 5 13 6 6 25 26 4 DAY 1995 360 240 340 210 60 250 40 40 300 350 340 150 40 DIRECTION 19 19 29 39 39 39 58 29 27 35 27 17 58 SPEED 1 24 27 29 12 14 18 2 22 12 26 4 DAY 1996 120 120 160 240 40 50 50 40 40 50 360 30 40 DIRECTION 23 23 25 33 54 27 39 35 23 27 21 19 54 SPEED 1 5 2 10 22 24 26 1 1 3 12 2 DAY 1997 150 220 250 40 360 40 40 50 10 360 340 210 360 DIRECTION 25 31 35 35 43 33 29 29 39 33 23 16 43 SPEED 16 27 16 25 5 5 3 11 7 21 8 1 DAY 1998 270 280 190 130 30 60 20 60 360 30 190 360 30 DIRECTION 49 49 39 29 27 33 29 19 29 78 25 23 78 SPEED 13 26 1 24 2 28 1 2 10 11 10 5 DAY 1999 360 240 250 252 250 40 30 40 20 200 340 360 252 DIRECTION 23 31 29 33 25 25 33 33 19 33 27 17 33 SPEED 1 28 28 8 14 17 20 12 17 15 12 5 DAY 2000 330 350 180 360 40 200 20 30 30 350 320 360 20 DIRECTION 27 31 29 27 23 29 37 31 25 21 29 19 37 SPEED 8 3 24 12 3 30 31 1 19 3 6 4 DAY 2001 30 170 240 280 30 40 60 360 340 40 180 350 240 DIRECTION 23 29 39 29 31 29 35 25 21 23 29 19 39 SPEED 25 4 10 30 26 26 9 3 22 10 17 3 DAY 2002 180 210 240 280 360 30 330 50 70 50 340 50 240 DIRECTION 29 25 33 31 21 21 27 29 29 19 19 27 33 SPEED 7 18 21 26 18 16 29 12 14 11 3 22 DAY 2003 180 210 300 270 10 50 40 40 30 40 340 340 40 DIRECTION 17 23 29 35 39 39 49 39 23 19 19 43 49 SPEED 28 20 21 21 1 25 10 30 15 16 4 11 DAY 1990-2003 270 280 170 220 40 70 40 10 40 30 360 340 30 DIRECTION 49 49 43 39 54 39 58 39 39 78 43 43 78 SPEED 98-13 98-26 91-25 92-26 96-22 90-22 95-18 93- 9 93- 6 98-11 93-14 3-11 98 YEAR-DAY =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 38 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF CLEAR DAYS (0-2)/8 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 26 27 30 31 30 27 23 16 *** 1991 12 10 5 10 16 28 31 31 30 26 23 10 232 1992 8 19 15 12 17 24 31 27 30 29 21 16 249 1993 13 12 11 9 19 30 31 30 30 27 14 19 245 1994 13 16 13 18 13 29 31 30 25 19 13 22 242 1995 22 15 17 11 21 23 28 31 30 29 23 12 262 1996 13 10 6 13 15 26 31 31 30 28 18 16 237 1997 16 19 15 10 23 17 26 31 29 15 16 15 232 1998 17 11 8 12 26 29 31 25 26 25 27 13 250 1999 15 12 13 16 28 29 19 31 29 29 18 24 263 2000 15 22 17 19 26 30 31 31 26 27 13 17 274 2001 15 19 18 24 23 23 31 31 28 26 20 15 273 2002 18 13 19 10 23 29 26 29 30 29 16 21 263 2003 17 11 11 14 18 24 30 31 30 28 20 18 252 MEAN 14.9 14.5 12.9 13.7 21.0 26.3 29.1 30.0 28.8 26.0 18.9 16.7 252.8 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 39 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF PARTLY CLOUDY DAYS (3-6)/8 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 4 3 1 0 0 4 7 13 *** 1991 15 13 14 19 13 2 0 0 0 3 5 9 93 1992 14 6 9 11 10 6 0 3 0 2 8 8 77 1993 10 9 14 16 11 0 0 1 0 4 15 8 88 1994 13 11 13 7 15 1 0 1 5 12 14 7 99 1995 4 10 9 12 9 7 3 0 0 1 7 12 74 1996 13 12 15 12 13 4 0 0 0 3 8 13 93 1997 11 8 11 12 5 13 5 0 1 9 11 12 98 1998 10 14 9 12 5 1 0 6 4 6 3 16 86 1999 11 11 9 12 3 1 11 0 1 2 10 3 74 2000 8 6 8 11 5 0 0 0 4 4 11 10 67 2001 14 6 8 6 7 6 0 0 2 5 9 11 74 2002 8 11 9 12 6 1 5 2 0 2 11 8 75 2003 6 15 14 13 12 6 1 0 0 3 5 10 85 MEAN 10.5 10.2 10.9 11.9 8.4 3.6 1.9 0.9 1.2 4.3 8.9 10.0 82.7 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 40 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF CLOUDY DAYS (7-8)/8 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 1 0 0 0 0 0 0 2 *** 1991 4 5 12 1 2 0 0 0 0 2 2 12 40 1992 9 4 7 7 4 0 0 1 0 0 1 7 40 1993 8 7 6 5 1 0 0 0 0 0 1 4 32 1994 5 1 5 5 3 0 0 0 0 0 3 2 24 1995 5 3 5 7 1 0 0 0 0 1 0 7 29 1996 5 7 10 5 3 0 0 0 0 0 4 2 36 1997 4 1 5 8 3 0 0 0 0 7 3 4 35 1998 4 3 14 6 0 0 0 0 0 0 0 2 29 1999 5 5 9 2 0 0 1 0 0 0 2 4 28 2000 8 1 6 0 0 0 0 0 0 0 6 4 25 2001 2 3 5 0 1 1 0 0 0 0 1 5 18 2002 5 4 3 8 2 0 0 0 0 0 3 2 27 2003 8 2 6 3 1 0 0 0 0 0 5 3 28 MEAN 5.5 3.5 7.2 4.4 1.6 0.1 0.1 0.1 0.0 0.7 2.2 4.3 29.7 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 41 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M NO. OF DAYS WITH VISIBILITY LESS THAN OR EQUAL 2 KM YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 *** *** *** *** 0 0 0 0 0 2 0 1 *** 1991 0 1 1 1 2 0 0 0 1 0 0 0 6 1992 1 1 1 0 0 1 0 0 0 0 0 0 4 1993 2 0 0 0 1 0 0 0 0 0 1 0 4 1994 0 0 0 0 0 0 0 0 0 0 1 1 2 1995 1 0 0 0 0 1 0 0 0 0 0 0 2 1996 0 0 0 0 0 0 2 2 0 1 0 0 5 1997 0 0 0 0 1 0 1 1 0 0 0 0 3 1998 1 1 0 1 0 0 0 0 0 0 0 0 3 1999 0 1 0 0 0 0 0 0 0 0 0 0 1 2000 0 0 1 0 0 1 0 0 0 0 0 0 2 2001 0 0 1 0 0 0 1 0 0 0 0 0 2 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0.4 0.3 0.3 0.2 0.3 0.2 0.3 0.2 0.1 0.2 0.1 0.1 2.7 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 42 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MONTHLY TOTAL OF SUNSHINE HOURS YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ***** ***** ***** ***** 338.8 339.5 340.0 351.9 316.4 282.0 256.7 213.2 ****** 1991 206.9 201.6 180.7 273.7 303.7 355.1 372.5 360.2 314.6 279.6 244.9 134.9 3228.4 1992 162.1 212.4 221.5 197.3 277.2 313.1 378.4 335.5 313.2 304.3 235.5 176.2 3126.7 1993 173.9 177.0 209.7 233.8 305.8 350.4 372.8 358.6 322.8 305.0 228.3 236.2 3274.3 1994 198.3 224.6 233.8 261.0 284.6 356.8 385.5 367.8 297.8 276.4 235.9 253.6 3376.1 1995 ***** ***** ***** ***** ***** ***** ***** ***** ***** 308.1 264.0 ***** ****** 1996 ***** 199.4 191.0 257.7 317.4 351.7 371.1 ***** 317.9 309.0 198.5 233.1 ****** 1997 220.0 239.0 232.6 229.9 301.6 292.8 347.1 357.7 324.0 239.9 233.6 203.1 3221.3 1998 216.3 194.4 181.3 262.3 320.6 351.5 383.2 348.3 318.9 301.6 278.8 244.3 3401.5 1999 189.4 206.2 194.5 275.9 345.8 341.0 314.6 353.1 317.2 303.2 210.8 244.1 3295.8 2000 214.6 249.6 238.2 274.1 354.3 360.6 378.7 371.7 298.8 294.1 212.4 200.4 3447.5 2001 245.0 231.6 260.1 303.5 332.7 333.0 364.5 359.7 301.0 307.4 242.1 202.0 3482.6 2002 228.8 214.2 280.7 243.4 341.8 348.9 336.7 357.1 338.3 311.9 204.6 212.5 3418.9 2003 184.4 230.8 226.6 261.0 314.7 293.7 367.2 371.2 333.7 318.9 265.6 210.5 3378.3 MEAN 203.6 215.1 220.9 256.1 318.4 337.5 362.5 357.7 316.5 295.8 236.5 212.6 3333.2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 43 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF QFE PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 ****** 891.1 889.8 887.7 886.7 883.2 882.3 884.7 886.7 893.8 892.4 894.0 ****** 1994 891.7 888.2 889.1 888.6 886.7 880.7 879.1 881.3 889.4 892.8 891.9 893.3 887.7 1995 892.9 890.4 889.6 887.6 887.6 882.9 878.7 882.4 886.6 891.1 892.2 894.0 888.0 1996 892.8 889.1 887.4 888.1 887.2 883.4 883.3 883.9 885.4 891.2 894.8 894.6 888.4 1997 891.0 890.4 886.7 887.2 887.9 883.1 879.8 882.8 887.4 891.2 893.2 892.1 887.7 1998 890.5 890.0 888.7 887.7 887.2 885.5 881.3 884.8 886.8 891.0 893.4 894.8 888.5 1999 893.1 890.4 888.1 887.5 885.7 882.3 880.8 883.5 886.0 890.4 892.1 895.1 887.9 2000 890.8 890.7 888.2 887.3 883.8 882.4 882.8 883.8 886.0 891.0 893.4 892.8 887.7 2001 892.5 890.0 889.2 887.1 884.1 881.2 880.8 884.3 886.8 890.6 892.6 894.2 887.8 2002 892.5 891.1 889.2 886.2 885.2 882.7 882.9 882.6 888.1 891.1 893.4 891.9 888.1 2003 892.2 887.9 888.9 888.5 887.7 882.6 880.2 884.1 886.9 891.0 893.6 894.6 888.2 MEAN 892.0 889.9 888.6 887.6 886.3 882.7 881.1 883.5 886.9 891.4 893.0 893.8 888.1 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 44 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MAX. OF QFE PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1993 ****** 898.3 896.1 895.7 892.7 890.7 887.8 888.5 891.4 899.8 898.1 900.3 ****** DAY-HOUR **-** 8- 6 31- 6 1- 6 10- 6 23- 6 28- 6 25- 6 23- 6 17- 6 24- 6 26- 6 1994 900.4 895.4 895.8 899.5 891.6 886.9 883.8 886.5 897.2 899.4 898.1 901.9 901.9 DAY-HOUR 28- 6 4- 6 18- 6 5- 6 8- 6 9- 6 14- 3 16- 6 23- 6 10- 6 2- 6 8- 6 1995 898.6 895.3 897.4 893.2 893.4 890.6 883.7 886.8 892.3 898.6 898.6 899.5 899.5 DAY-HOUR 15- 6 12- 6 3- 6 1- 6 26- 6 2- 6 29- 3 25- 6 13- 6 27- 6 28- 6 11- 6 1996 898.7 895.3 892.3 895.6 892.0 887.3 890.4 890.5 893.7 898.0 905.3 901.7 905.3 DAY-HOUR 28- 6 24- 6 6- 6 7- 6 4- 6 28- 3 3- 6 30- 6 25- 6 20- 6 19- 6 8- 6 1997 899.9 896.9 898.4 893.4 895.3 888.8 883.8 887.4 892.9 896.0 900.2 901.7 901.7 DAY-HOUR 19- 9 8- 6 11- 6 14- 6 12- 6 8- 6 9- 6 25- 6 18- 6 9- 6 8- 6 29- 6 1998 898.2 899.8 895.2 896.8 894.0 891.3 887.0 888.6 892.8 896.1 899.0 901.8 901.8 DAY-HOUR 4- 9 23- 6 28- 6 12- 9 8- 6 5- 6 20- 3 9- 3 13- 6 26- 6 21- 6 10- 6 1999 899.8 897.2 894.9 892.8 891.1 888.8 885.6 889.9 894.5 894.1 898.6 902.8 902.8 DAY-HOUR 22-15 12- 6 19- 6 1- 6 12- 6 1- 6 19- 6 20- 6 30- 6 11- 6 14- 6 6- 6 2000 899.6 896.5 894.7 893.3 890.5 888.7 887.7 888.5 892.2 895.9 903.3 899.1 903.3 DAY-HOUR 31- 6 14- 6 4- 6 3- 6 6- 6 3- 6 26- 6 23- 6 29- 6 7- 3 17- 6 18- 6 2001 898.5 898.2 899.4 894.6 888.8 888.6 887.4 890.2 894.6 897.6 898.4 901.9 901.9 DAY-HOUR 30- 6 9- 6 13- 6 1- 6 12- 6 2- 6 29- 6 14- 6 22- 6 10- 9 20- 6 18- 6 2002 902.0 899.4 901.0 895.3 890.9 888.9 888.6 887.2 893.1 895.5 901.6 900.1 902.0 DAY-HOUR 29- 6 2- 6 11- 6 1- 6 10- 6 25- 6 3- 3 30- 6 21- 6 10- 6 18- 6 4- 6 2003 899.1 895.6 901.0 893.9 893.7 888.5 884.3 889.0 894.3 895.7 902.8 901.8 902.8 DAY-HOUR 8-15 7- 6 3- 6 7- 6 10- 6 1- 6 3- 6 4- 3 27- 6 17- 6 24- 9 12- 6 1990-2003 902.0 899.8 901.0 899.5 895.3 891.3 890.4 890.5 897.2 899.8 905.3 902.8 905.3 YEAR-DAY 2-29 98-23 2-11 94- 5 97-12 98- 5 96- 3 96-30 94-23 93-17 96-19 99- 6 96-19 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 45 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MIN. OF QFE PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1993 ****** 882.6 879.8 880.1 877.8 878.4 877.1 879.6 881.2 885.3 883.2 887.0 ****** DAY-HOUR **-** 23-15 22-12 12-15 29-15 3-15 14-15 12-15 3-12 3-12 14-12 4-12 1994 883.1 878.4 879.2 879.8 880.1 873.7 873.9 875.2 880.2 885.7 882.4 880.7 873.7 DAY-HOUR 16-15 12-12 12-12 2-15 1-15 29-12 20-15 1-12 1-12 2-12 26- 3 4- 3 1995 884.5 881.5 880.2 880.7 880.3 876.0 873.8 877.9 882.2 885.6 882.7 887.5 873.8 DAY-HOUR 1-12 9-15 27- 9 24-15 15-15 17-15 16-12 8-15 5-12 7-15 26- 3 4-15 1996 887.1 878.1 881.9 880.3 881.0 878.6 878.9 878.9 878.4 884.0 888.5 887.1 878.1 DAY-HOUR 13- 3 5-15 14-12 10-12 29-15 5-15 28-15 8-12 20-12 6-12 28-12 15-12 1997 879.4 883.1 879.3 878.6 880.7 877.0 874.6 877.2 881.8 886.1 887.8 883.2 874.6 DAY-HOUR 17-12 23-12 6-12 10-15 5- 9 23-15 16-12 8-15 2-12 4- 3 13-12 10-12 1998 880.4 878.3 879.5 880.7 878.5 878.8 873.2 880.5 881.5 883.4 888.0 887.5 873.2 DAY-HOUR 13- 3 13-12 15-15 24-15 30-12 29-12 8-15 22-15 6-15 2-12 1-15 21-12 1999 884.3 881.5 881.8 880.7 878.8 873.6 876.6 878.7 881.4 886.9 884.9 886.8 873.6 DAY-HOUR 19- 3 21- 3 3- 3 9- 3 21- 3 25-15 10-15 7-12 15-15 25-12 1-12 17-12 2000 883.5 878.9 879.4 882.6 878.0 876.0 878.0 878.6 876.7 885.3 884.0 883.7 876.0 DAY-HOUR 21- 3 7-12 2-15 21-15 27-15 25-15 9-12 3-15 1-12 1-12 6-12 15-12 2001 885.5 876.0 877.7 880.7 876.8 876.3 874.4 878.5 881.3 885.8 884.3 886.1 874.4 DAY-HOUR 27-15 21-15 26-12 17-12 26-12 11-12 18-12 27-12 6-12 2-12 17-12 5-12 2002 884.1 883.6 880.8 874.5 879.8 873.9 877.4 877.4 883.4 887.5 886.2 882.4 873.9 DAY-HOUR 8-12 25-12 29-15 4-12 20-15 20-15 25-15 17-12 10-12 29-15 13-12 22-15 2003 882.6 878.5 880.7 880.1 880.0 875.2 873.9 878.3 881.2 886.1 886.1 887.9 873.9 DAY-HOUR 28-15 19-12 27-12 17-15 23-15 30-15 25-15 1-12 10-12 5-12 2-12 6-15 1990-2003 879.4 876.0 877.7 874.5 876.8 873.6 873.2 875.2 876.7 883.4 882.4 880.7 873.2 YEAR-DAY 97-17 1-21 1-26 2- 4 1-26 99-25 98- 8 94- 1 0- 1 98- 2 94-26 94- 4 98- 8 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 46 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF QNH PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 ****** 1018.6 1017.1 1014.8 1013.7 1009.8 1008.8 1011.5 1013.7 1021.7 1020.1 1021.9 ****** 1994 1019.3 1015.4 1016.3 1015.8 1013.7 1007.0 1005.2 1007.8 1016.7 1020.5 1019.5 1021.0 1014.9 1995 1020.7 1017.8 1016.9 1014.7 1014.7 1009.5 1004.7 1008.9 1013.7 1018.7 1019.8 1021.8 1015.2 1996 1020.5 1016.3 1014.6 1015.3 1014.3 1010.0 1009.9 1010.6 1012.2 1018.8 1022.8 1022.5 1015.6 1997 1018.5 1017.9 1013.7 1014.3 1015.0 1009.7 1006.0 1009.4 1014.5 1018.7 1021.0 1019.7 1014.9 1998 1017.9 1017.4 1015.9 1014.9 1014.3 1012.3 1007.7 1011.5 1013.8 1018.5 1021.1 1022.8 1015.7 1999 1020.8 1017.8 1015.3 1014.6 1012.6 1008.8 1007.2 1010.1 1013.0 1017.8 1019.8 1023.1 1015.1 2000 1018.3 1018.2 1015.4 1014.4 1010.5 1008.9 1009.4 1010.5 1013.0 1018.6 1021.2 1020.5 1014.9 2001 1020.2 1017.4 1016.5 1014.1 1010.9 1007.6 1007.2 1011.0 1013.8 1018.1 1020.3 1022.1 1014.9 2002 1020.2 1018.7 1016.5 1013.2 1012.1 1009.2 1009.5 1009.1 1015.3 1018.7 1021.2 1019.5 1015.3 2003 1019.8 1015.1 1016.1 1015.7 1014.8 1009.2 1006.4 1010.8 1013.9 1018.5 1021.4 1022.6 1015.4 MEAN 1019.6 1017.3 1015.8 1014.7 1013.3 1009.3 1007.5 1010.1 1013.9 1019.0 1020.8 1021.6 1015.2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 47 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MAX. OF QNH PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1993 ****** 1026.7 1024.2 1023.8 1020.4 1018.2 1015.0 1015.7 1019.0 1028.3 1026.4 1028.9 ****** DAY-HOUR **-** 8- 6 31- 6 1- 6 10- 6 23- 6 28- 6 25- 6 23- 6 17- 6 24- 6 26- 6 1994 1029.0 1023.4 1023.9 1028.0 1019.2 1013.9 1010.5 1013.5 1025.4 1027.9 1026.4 1030.7 1030.7 DAY-HOUR 28- 6 4- 6 18- 6 5- 6 8- 6 9- 6 14- 3 16- 6 23- 6 10- 6 2- 6 8- 6 1995 1027.0 1023.3 1025.6 1021.0 1021.2 1018.1 1010.4 1013.8 1020.0 1027.0 1027.0 1028.0 1028.0 DAY-HOUR 15- 6 12- 6 3- 6 1- 6 26- 6 2- 6 29- 3 25- 6 13- 6 27- 6 28- 6 11- 6 1996 1027.1 1023.3 1020.0 1023.6 1019.6 1014.4 1017.9 1018.0 1021.5 1026.3 1034.5 1030.4 1034.5 DAY-HOUR 28- 6 24- 6 6- 6 7- 6 4- 6 28- 3 3- 6 30- 6 25- 6 20- 6 19- 6 8- 6 1997 1028.4 1025.1 1026.8 1021.2 1023.3 1016.1 1010.5 1014.5 1020.6 1024.1 1028.8 1030.4 1030.4 DAY-HOUR 19- 9 8- 6 11- 6 14- 6 12- 6 8- 6 9- 6 25- 6 18- 6 9- 6 8- 6 29- 6 1998 1026.5 1028.3 1023.2 1025.0 1021.9 1018.9 1014.1 1015.8 1020.5 1024.2 1027.4 1030.6 1030.6 DAY-HOUR 4- 9 23- 6 28- 6 12- 9 8- 6 5- 6 20- 3 9- 3 13- 6 26- 6 21- 6 10- 6 1999 1028.3 1025.4 1022.9 1020.5 1018.6 1016.1 1012.5 1017.3 1022.4 1022.0 1027.0 1031.7 1031.7 DAY-HOUR 22-15 12- 6 19- 6 1- 6 12- 6 1- 6 19- 6 20- 6 30- 6 11- 6 14- 6 6- 6 2000 1028.1 1024.7 1022.6 1021.1 1018.0 1016.0 1014.8 1015.7 1019.9 1024.0 1032.2 1027.5 1032.2 DAY-HOUR 31- 6 14- 6 4- 6 3- 6 6- 6 3- 6 26- 6 23- 6 29- 6 7- 3 17- 6 18- 6 2001 1026.9 1026.5 1027.9 1022.5 1016.1 1015.8 1014.5 1017.6 1022.5 1025.9 1026.8 1030.7 1030.7 DAY-HOUR 30- 6 9- 6 13- 6 1- 6 12- 6 2- 6 29- 6 14- 6 22- 6 10- 9 20- 6 18- 6 2002 1030.8 1027.9 1029.7 1023.3 1018.4 1016.2 1015.8 1014.3 1020.9 1023.5 1030.3 1028.7 1030.8 DAY-HOUR 29- 6 2- 6 11- 6 1- 6 10- 6 25- 6 3- 3 30- 6 21- 6 10- 6 18- 6 4- 6 2003 1027.5 1023.6 1029.7 1021.8 1021.5 1015.7 1011.0 1016.3 1022.2 1023.8 1031.7 1030.6 1031.7 DAY-HOUR 8-15 7- 6 3- 6 7- 6 10- 6 1- 6 3- 6 4- 3 27- 6 17- 6 24- 9 12- 6 1990-2003 1030.8 1028.3 1029.7 1028.0 1023.3 1018.9 1017.9 1018.0 1025.4 1028.3 1034.5 1031.7 1034.5 YEAR-DAY 2-29 98-23 2-11 94- 5 97-12 98- 5 96- 3 96-30 94-23 93-17 96-19 99- 6 96-19 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 48 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MIN. OF QNH PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1993 ****** 1009.2 1006.0 1006.4 1003.8 1004.5 1003.0 1005.8 1007.6 1012.2 1009.8 1014.1 ****** DAY-HOUR **-** 23-15 22-12 12-15 29-15 3-15 14-15 12-15 3-12 3-12 14-12 4-12 1994 1009.7 1004.5 1005.4 1006.0 1006.4 999.2 999.5 1000.9 1006.5 1012.6 1008.9 1007.0 999.2 DAY-HOUR 16-15 12-12 12-12 2-15 1-15 29-12 20-15 1-12 1-12 2-12 26- 3 4- 3 1995 1011.3 1007.9 1006.5 1007.0 1006.6 1001.8 999.3 1003.9 1008.7 1012.5 1009.3 1014.6 999.3 DAY-HOUR 1-12 9-15 27- 9 24-15 15-15 17-15 16-12 8-15 5-12 7-15 26- 3 4-15 1996 1014.2 1004.1 1008.4 1006.6 1007.4 1004.7 1005.0 1005.0 1004.5 1010.7 1015.7 1014.2 1004.1 DAY-HOUR 13- 3 5-15 14-12 10-12 29-15 5-15 28-15 8-12 20-12 6-12 28-12 15-12 1997 1005.6 1009.7 1005.5 1004.7 1007.0 1002.9 1000.2 1003.1 1008.3 1013.1 1015.0 1009.8 1000.2 DAY-HOUR 17-12 23-12 6-12 10-15 5- 9 23-15 16-12 8-15 2-12 4- 3 13-12 10-12 1998 1006.7 1004.4 1005.7 1007.0 1004.6 1004.9 998.7 1006.8 1007.9 1010.0 1015.2 1014.6 998.7 DAY-HOUR 13- 3 13-12 15-15 24-15 30-12 29-12 8-15 22-15 6-15 2-12 1-15 21-12 1999 1011.0 1007.9 1008.3 1007.0 1004.9 999.1 1002.5 1004.8 1007.8 1013.9 1011.7 1013.8 999.1 DAY-HOUR 19- 3 21- 3 3- 3 9- 3 21- 3 25-15 10-15 7-12 15-15 25-12 1-12 17-12 2000 1010.2 1005.0 1005.6 1009.2 1004.0 1001.8 1004.0 1004.7 1002.6 1012.2 1010.7 1010.4 1001.8 DAY-HOUR 21- 3 7-12 2-15 21-15 27-15 25-15 9-12 3-15 1-12 1-12 6-12 15-12 2001 1012.4 1001.8 1003.7 1007.0 1002.7 1002.1 1000.0 1004.6 1007.7 1012.7 1011.0 1013.1 1000.0 DAY-HOUR 27-15 21-15 26-12 17-12 26-12 11-12 18-12 27-12 6-12 2-12 17-12 5-12 2002 1010.8 1010.3 1007.1 1000.1 1006.0 999.5 1003.4 1003.4 1010.0 1014.6 1013.2 1008.9 999.5 DAY-HOUR 8-12 25-12 29-15 4-12 20-15 20-15 25-15 17-12 10-12 29-15 13-12 22-15 2003 1009.2 1004.6 1007.0 1006.4 1006.3 1000.9 999.5 1004.4 1007.6 1013.1 1013.1 1015.1 999.5 DAY-HOUR 28-15 19-12 27-12 17-15 23-15 30-15 25-15 1-12 10-12 5-12 2-12 6-15 1990-2003 1005.6 1001.8 1003.7 1000.1 1002.7 999.1 998.7 1000.9 1002.6 1010.0 1008.9 1007.0 998.7 YEAR-DAY 97-17 1-21 1-26 2- 4 1-26 99-25 98- 8 94- 1 0- 1 98- 2 94-26 94- 4 98- 8 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 49 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 ****** 1014.7 1011.8 1005.4 1002.1 996.2 995.1 998.3 1001.4 1013.5 1014.2 1018.1 ****** 1994 1015.5 1011.7 1008.8 1006.6 1001.7 993.1 990.9 990.9 1006.4 1011.6 1012.0 1017.8 1005.6 1995 1016.8 1013.3 1011.2 1005.8 1003.3 995.9 989.2 994.6 1001.8 1009.3 1013.3 1018.9 1006.1 1996 1018.3 1011.8 1008.5 1006.1 1002.8 995.8 996.2 997.0 999.6 1010.5 1017.4 1018.5 1006.9 1997 1015.3 1014.3 1007.8 1005.6 1004.0 995.7 991.1 995.0 1001.1 1009.3 1015.3 1015.5 1005.8 1998 1013.5 1013.1 1009.1 1005.1 1002.6 998.9 993.1 997.8 1001.7 1008.8 1013.9 1017.3 1006.2 1999 1017.8 1012.4 1008.9 1004.7 1000.3 994.6 993.1 996.7 1000.9 1007.9 1013.7 1019.2 1005.8 2000 1015.0 1013.7 1009.0 1003.8 997.1 995.2 996.0 997.4 1000.8 1009.2 1015.7 1016.4 1005.8 2001 1017.1 1013.1 1009.8 1003.2 997.7 993.3 992.8 997.4 1001.5 1008.4 1013.5 1016.8 1005.4 2002 1016.6 1013.6 1009.0 1003.3 999.8 995.2 995.6 995.2 1003.0 1008.3 1014.7 1015.5 1005.8 2003 1016.3 1009.6 1009.5 1009.4 1011.6 995.4 991.2 997.1 1002.2 1008.8 1015.9 1019.4 1007.2 MEAN 1016.2 1012.8 1009.4 1005.4 1002.1 995.4 993.1 996.1 1001.8 1009.6 1014.5 1017.6 1006.2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 50 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MAX. OF QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1993 ****** 1029.3 1024.8 1017.0 1011.9 1007.2 1001.7 1004.0 1008.5 1022.8 1026.4 1032.4 ****** DAY-HOUR **-** 8- 6 14-15 1- 3 10- 6 23- 6 27- 3 25- 6 24- 3 9- 3 18- 3 7- 6 1994 1026.9 1021.2 1018.5 1023.1 1008.9 1001.6 998.1 1001.1 1016.4 1021.1 1019.3 1037.0 1037.0 DAY-HOUR 28- 6 4- 6 3- 3 5-15 8- 6 9- 6 14- 3 24- 9 23- 6 10- 3 29-12 8- 3 1995 1024.7 1023.0 1022.4 1013.4 1011.2 1007.2 996.1 999.9 1008.7 1020.3 1025.9 1026.4 1026.4 DAY-HOUR 7-15 26- 6 3- 3 1- 6 27- 3 2- 3 29- 3 25- 3 23- 6 27- 3 28- 6 11- 3 1996 1028.9 1021.5 1015.7 1018.6 1010.1 1001.5 1004.9 1005.3 1010.4 1021.0 1032.3 1028.3 1032.3 DAY-HOUR 16- 3 24- 6 6- 6 7- 6 4- 3 28- 6 4- 3 30- 3 25- 6 20- 6 18-12 8- 3 1997 1026.5 1026.2 1022.0 1014.8 1014.9 1003.0 999.3 1003.3 1009.0 1016.9 1029.0 1028.4 1029.0 DAY-HOUR 20- 3 8- 3 1- 6 14- 3 7- 3 8- 3 9- 3 25- 3 20- 6 25- 6 30- 3 29- 6 1998 1022.5 1027.6 1017.8 1015.7 1012.8 1005.5 1003.2 1004.2 1009.7 1016.7 1020.4 1029.5 1029.5 DAY-HOUR 22- 6 3- 3 4- 6 12- 9 3- 6 6- 6 17- 3 30- 3 13- 3 25- 6 27- 3 6-15 1999 1027.1 1020.5 1018.6 1013.4 1007.7 1002.8 999.5 1004.1 1013.3 1014.3 1023.8 1031.0 1031.0 DAY-HOUR 3- 6 1- 3 19- 6 12- 3 12- 6 1- 3 19- 3 20- 3 29- 6 28- 6 30-15 29- 3 2000 1026.2 1022.8 1019.6 1013.9 1005.5 1004.1 1002.3 1003.0 1008.6 1018.2 1029.1 1026.5 1029.1 DAY-HOUR 31- 6 10-15 4- 6 2-12 6- 3 16- 6 26- 3 23- 3 30- 3 7- 3 17- 6 18- 3 2001 1026.5 1024.1 1024.2 1013.1 1004.1 1001.7 1001.9 1005.5 1012.5 1017.5 1023.0 1027.7 1027.7 DAY-HOUR 30- 6 9-12 12-15 3- 6 1- 3 2- 6 29- 6 14- 6 23- 3 28- 6 21- 3 18- 3 2002 1028.6 1027.7 1025.6 1015.6 1006.7 1003.8 1005.2 1000.6 1009.7 1012.3 1025.7 1028.6 1028.6 DAY-HOUR 29- 3 2- 9 11- 6 1- 3 10- 6 25- 6 30- 3 1- 6 30- 3 26- 3 19- 6 4- 3 2003 1025.1 1019.9 1029.3 1019.6 1021.0 1003.0 996.1 1003.0 1012.4 1014.5 1029.1 1034.0 1034.0 DAY-HOUR 8-15 13- 6 3- 6 25- 3 3- 3 1- 3 13-15 4- 3 26- 6 17- 6 24- 3 12-12 1990-2003 1028.9 1029.3 1029.3 1023.1 1021.0 1007.2 1005.2 1005.5 1016.4 1022.8 1032.3 1037.0 1037.0 YEAR-DAY 96-16 93- 8 3- 3 94- 5 3- 3 93-23 2-30 1-14 94-23 93- 9 96-18 94- 8 94- 8 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 51 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MIN. OF QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1993 ****** 1003.8 1000.3 996.7 990.9 990.3 988.3 991.8 994.4 1000.0 1000.6 1009.1 ****** DAY-HOUR **-** 23-12 22-12 12-15 29-12 21-15 14-12 12-12 3-12 3-12 14-12 4-12 1994 1003.1 997.8 996.0 996.3 995.4 983.6 984.7 880.9 993.9 1000.9 1000.3 998.3 880.9 DAY-HOUR 5-12 12-12 12-12 26-15 1-12 29-12 10-15 25-12 1-12 2-12 26- 6 4- 6 1995 1006.5 1001.0 998.4 998.4 994.4 987.0 981.6 989.7 996.5 999.8 1003.7 1009.7 981.6 DAY-HOUR 1-12 9-15 27- 9 24-15 14-12 17-12 10-15 3-12 21-15 7-15 26- 3 4-12 1996 1010.5 1000.4 999.8 996.6 994.5 988.7 990.6 991.0 990.7 1000.7 1007.9 1009.3 988.7 DAY-HOUR 5-12 5-15 26-12 10-12 29-15 5-15 28-12 8-12 19-12 6-12 3- 3 15- 9 1997 1000.0 1000.6 997.8 994.1 994.3 988.0 978.4 985.7 993.7 1001.7 1007.3 1002.9 978.4 DAY-HOUR 17-12 23-12 30- 3 10-15 5- 9 18-12 7- 6 30-12 2-12 4- 3 13-12 10-12 1998 1001.6 1000.5 997.1 997.1 992.4 990.3 971.2 992.2 993.4 996.5 1006.9 1008.7 971.2 DAY-HOUR 6-12 13-12 30- 9 20-12 30- 9 29-12 5- 6 23-12 6-12 2-12 1-12 18-12 1999 1006.9 999.1 1001.3 996.0 990.9 984.1 987.3 990.8 995.1 1003.4 1002.2 1007.2 984.1 DAY-HOUR 19- 3 21- 3 28- 9 9- 3 21- 9 25-15 10-15 7-12 16-12 13-12 1-12 17-15 2000 1004.6 1002.0 999.8 997.7 990.0 984.5 988.8 989.6 988.4 1000.2 1002.7 1004.5 984.5 DAY-HOUR 21-15 7-12 2-15 23-12 31-15 27-12 9-12 3-15 1-12 1-12 6- 9 15- 9 2001 1009.4 994.2 995.7 995.8 988.9 979.6 985.0 990.5 992.7 996.4 1002.6 1006.2 979.6 DAY-HOUR 20- 3 21-15 26- 3 28-12 26-12 30- 3 18-12 27-15 7-15 3- 3 17-12 5-12 2002 1003.2 1003.5 997.7 991.4 993.1 983.8 988.8 989.3 998.3 1001.5 1005.3 1004.3 983.8 DAY-HOUR 8-12 25-15 29-12 4-12 21-12 20-15 25-12 8-12 10- 9 15-15 13-12 22- 6 2003 1005.7 999.5 998.1 995.9 994.2 986.3 984.1 988.2 994.8 1001.1 1003.5 1008.6 984.1 DAY-HOUR 28-15 26-12 27-15 17-15 29-15 30-15 25-12 1-12 10-12 5-12 2-12 6-15 1990-2003 1000.0 994.2 995.7 991.4 988.9 979.6 971.2 880.9 988.4 996.4 1000.3 998.3 880.9 YEAR-DAY 97-17 1-21 1-26 2- 4 1-26 1-30 98- 5 94-25 0- 1 1- 3 94-26 94- 4 94-25 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 52 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1993 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1994 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1995 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1996 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1997 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2000 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2001 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2002 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 2003 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MEAN ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 0.0 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 53 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MAX. OF COMPUTED QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1993 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1994 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1995 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1996 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1997 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 2000 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 2001 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 2002 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 2003 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1990-2003 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** YEAR-DAY **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION KHOOR BIRJAND (99437) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 54 LATITUDE 32 56 N LONGITUDE 58 26 E DATA PROCESSING CENTER ELEVATION 1117.4 M MIN. OF COMPUTED QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1990 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1991 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1992 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1993 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1994 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1995 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1996 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1997 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1998 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1999 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 2000 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 2001 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 2002 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 2003 ****** ****** ******