STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** 16.3 20.7 28.5 33.6 38.1 38.6 37.8 35.4 29.2 20.7 12.2 ***** MINIMUN AIR TEMPERATURE (C) ***** 10.1 14.8 21.2 24.4 27.7 29.2 28.2 27.3 22.3 16.3 8.1 ***** DAYS WITH MINIMUM TEMP. >=21 **** 0 0 14 27 30 30 31 30 27 3 0 **** DAYS WITH MINIMUM TEMP. <=-4 **** 0 0 0 0 0 0 0 0 0 0 0 **** DAYS WITH FREEZING MIN.<= 0 **** 0 0 0 0 0 0 0 0 0 0 0 **** TEMPERATURE RECORDS LOWEST(C) ***** 4.8 10.2 14.8 17.4 23.8 20.2 26.0 23.6 18.4 10.8 1.8 ***** DAY ** 4 16 3 7 5 1 26 24 23 9 7 MAXIMUM AIR TEMPERATURE (C) ***** 20.9 24.9 33.7 38.5 43.6 44.9 44.4 41.0 34.3 24.4 16.1 ***** DAYS WITH MAXIMUM TEMP. >=30 **** 0 1 26 31 30 31 31 30 28 3 0 **** DAYS WITH MAXIMUM TEMP. <= 0 **** 0 0 0 0 0 0 0 0 0 0 0 **** TEMPERATURE RECORDS HIGHEST(C)***** 26.6 32.6 39.6 46.8 47.8 47.0 47.6 44.4 37.8 32.4 20.6 ***** DAY ** 27 31 24 31 9 12 18 13 2 2 19 DIF. BETWEEN (MAX.-MIN.) (C) ***** 10.8 10.1 12.5 14.1 15.9 15.7 16.2 13.7 12.0 8.1 8.0 ***** MEAN DAILY TEMP. (MDT) (C) ***** 15.5 19.9 27.4 31.5 35.6 37.0 36.3 34.1 28.3 20.4 12.1 ***** COOLING DEG. DAYS(BASE 21 0C)****** 0.0 15.3 192.7 324.8 438.9 496.8 474.6 394.2 226.3 31.1 0.0 ****** HEATING DEG. DAYS(BASE 18 0C)****** 75.1 7.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.5 183.1 ****** 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. ****** 8.0 28.7 19.4 4.8 0.0 0.0 0.0 0.0 13.5 221.9 35.5 ****** DAYS WITH PRECIPITATION >=10 **** 0 1 1 0 0 0 0 0 0 3 0 **** DAYS WITH PRECIPITATION >= 5 **** 0 2 2 0 0 0 0 0 1 7 4 **** DAYS WITH PRECIPITATION >= 1 **** 2 3 3 2 0 0 0 0 4 10 9 **** DAYS WITH PRECIPITATION **** 2 9 4 3 0 0 0 0 7 13 12 **** GREATEST DAILY PRECIPITATION ****** 4.0 18.0 11.0 2.4 0.0 0.0 0.0 0.0 8.0 66.0 7.0 ****** DAY ** 1 12 17 5 ** ** ** ** 31 23 19 DAY WITH THUNDER STORM **** 0 4 1 2 0 0 0 0 3 10 3 **** DAYS WITH SNOW OR SLEET **** 0 0 0 0 0 0 0 0 0 0 0 **** DAYS WITH DUST **** 2 5 5 8 9 14 14 12 7 4 2 **** WIND DIRECTION (PREVAILING) *** 270 90 270 270 270 270 135 270 90 90 45 *** PREVAILING WIND SPEED(KNOTS) **** 9.1 12.1 13.2 13.8 18.1 14.7 11.6 12.3 14.8 17.2 11.5 **** PREVAILING WIND PERCENT ***** 12.9 11.6 20.0 22.6 23.8 27.7 19.4 16.7 11.0 20.1 6.5 ***** CALMS PERCENT OF WIND ***** 41.7 38.1 26.7 31.6 30.8 30.3 31.6 28.0 41.3 34.9 71.0 ***** NO. OF WIND OBSERVATION **** 139 155 150 155 143 155 155 150 155 149 155 1661 VECTOR WIND DIRECTION (MEAN) *** 112 151 211 221 252 231 191 187 84 99 64 *** VECTOR WIND MAGNITUDE(KNOTS) **** 0.7 2.2 1.5 2.4 6.2 4.9 4.4 2.2 0.9 5.5 0.6 **** WIND STEADINESES (MEAN %) ***** 10.6 27.5 16.5 25.8 62.6 56.3 51.2 25.9 11.7 57.3 20.0 ***** WIND SPEED (MEAN KNOTS) **** 6.6 8.0 9.1 9.3 9.9 8.7 8.6 8.5 7.7 9.6 3.0 **** FASTEST WIND DIRECTION *** 170 160 60 90 270 260 270 20 180 90 360 *** FASTEST WIND SPEED (KNOTS) *** 33 49 31 39 31 29 31 23 35 39 21 *** DAY ** 28 7 30 4 12 12 9 10 16 5 6 DAYS WITH SKY CLEAR (0-2)/8 **** 16 12 17 24 29 31 30 26 17 11 19 **** DAYS WITH P.CLOUDY (3-6)/8 **** 12 14 8 4 1 0 1 4 13 12 8 **** DAYS WITH CLOUDY (7-8)/8 **** 0 5 5 3 0 0 0 0 1 7 4 **** DAYS WITH VISIBILITY =< 2 KM **** 1 7 3 4 4 5 4 3 3 5 9 **** DURATION OF SUNSHINE HOURS ****** 214.1 217.9 230.1 276.2 320.7 333.5 291.8 269.4 227.5 145.9 175.0 ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.6 15.8 20.0 25.3 34.2 37.8 38.6 38.9 34.5 28.6 21.2 14.3 26.9 MINIMUN AIR TEMPERATURE (C) 9.1 10.7 13.4 18.1 25.1 27.3 29.1 28.8 25.0 20.4 13.3 8.9 19.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 5 27 29 31 31 27 10 3 0 163 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 3.0 6.4 8.8 10.4 17.2 24.0 26.0 26.8 19.8 16.4 3.6 4.8 3.0 DAY 26 9 28 6 10 2 1 22 22 6 29 21 MAXIMUM AIR TEMPERATURE (C) 17.9 20.1 24.8 30.3 39.3 43.4 44.9 45.8 40.8 34.5 27.0 19.0 32.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 17 31 30 31 31 30 31 9 0 211 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.2 24.6 30.4 35.4 44.8 49.0 48.0 49.2 45.6 39.6 32.6 23.4 49.2 DAY 11 3 31 30 22 20 31 4 1 2 3 10 DIF. BETWEEN (MAX.-MIN.) (C) 8.8 9.4 11.4 12.2 14.2 16.1 15.8 17.0 15.8 14.1 13.7 10.1 13.2 MEAN DAILY TEMP. (MDT) (C) 13.5 15.4 19.1 24.2 32.2 35.3 37.0 37.3 32.9 27.4 20.2 14.0 25.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 6.2 92.2 346.8 415.2 495.2 505.6 357.1 199.5 43.5 0.0 2461.3 HEATING DEG. DAYS(BASE 18 0C) 140.3 73.2 9.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 39.8 125.0 387.4 DEWPOINT (MEAN C) 8.9 9.2 8.0 8.5 10.6 8.6 12.3 11.9 10.2 6.2 5.2 5.9 8.8 MIXING RATIO (G/KG) 7.20 7.40 6.97 7.28 8.47 7.26 9.59 9.17 8.22 6.16 6.10 5.91 7.48 VAPOUR PRESSURE (HPA) 11.57 11.85 11.14 11.59 13.43 11.46 14.99 14.39 13.01 9.86 9.78 9.52 11.88 SATURATION DEF. (HPA) 4.50 6.55 13.00 21.84 42.50 56.43 56.03 58.25 44.11 30.91 17.13 7.20 29.87 RELATIVE HUMIDITY (MEAN %) 76 68 51 39 26 19 23 22 25 26 39 61 40 RELATIVE HUMIDITY (MAX. %) 92 88 75 58 38 30 36 35 39 37 56 81 55 RELATIVE HUMIDITY (MIN. %) 58 48 34 25 18 12 14 14 16 18 26 43 27 RELATIVE HUMIDITY (MEAN% 03UTC) 89 84 71 55 38 30 36 34 36 35 52 78 53 RELATIVE HUMIDITY (MEAN% 09UTC) 72 66 42 34 22 16 21 21 22 23 34 54 36 RELATIVE HUMIDITY (MEAN% 15UTC) 70 58 42 32 21 14 15 14 19 24 34 53 33 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 19.7 47.0 55.8 24.2 7.5 1.0 0.0 0.0 0.0 0.0 1.0 12.0 168.2 DAYS WITH PRECIPITATION >=10 0 2 1 1 0 0 0 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 5 2 4 1 2 1 0 0 0 0 0 0 0 10 DAYS WITH PRECIPITATION >= 1 3 5 5 5 1 1 0 0 0 0 1 5 26 DAYS WITH PRECIPITATION 4 9 7 10 5 2 0 0 0 0 1 5 43 GREATEST DAILY PRECIPITATION 8.8 15.0 47.0 10.0 7.0 1.0 0.0 0.0 0.0 0.0 1.0 3.0 47.0 DAY 12 23 13 22 7 3 ** ** ** ** 24 6 DAY WITH THUNDER STORM 1 4 1 2 0 1 0 0 0 0 1 0 10 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 1 2 4 4 2 2 1 1 3 1 0 22 WIND DIRECTION (PREVAILING) 135 90 45 135 270 270 180 225 270 270 135 270 270 PREVAILING WIND SPEED(KNOTS) 13.9 10.7 13.1 13.0 10.4 15.4 12.6 11.6 12.3 12.1 7.2 6.0 11.8 PREVAILING WIND PERCENT 9.7 12.9 12.3 13.8 11.0 20.5 15.5 15.5 19.3 8.4 10.0 7.1 10.9 CALMS PERCENT OF WIND 63.2 50.7 33.5 35.9 50.0 37.0 47.7 34.8 45.3 59.4 56.0 71.6 48.9 NO. OF WIND OBSERVATION 155 140 155 145 154 146 155 155 150 155 150 155 1815 VECTOR WIND DIRECTION (MEAN) 118 112 111 110 155 254 198 203 235 169 144 351 184 VECTOR WIND MAGNITUDE(KNOTS) 1.6 1.9 1.2 2.4 0.9 3.9 3.7 3.8 2.5 1.4 0.6 0.4 1.2 WIND STEADINESES (MEAN %) 44.4 39.6 16.4 26.7 15.3 46.4 60.7 52.1 40.3 31.8 15.4 19.0 21.1 WIND SPEED (MEAN KNOTS) 3.6 4.8 7.3 9.0 5.9 8.4 6.1 7.3 6.2 4.4 3.9 2.1 5.7 FASTEST WIND DIRECTION 140 140 170 360 170 10 170 270 160 140 160 60 360 FASTEST WIND SPEED (KNOTS) 29 27 31 39 39 33 25 25 29 23 23 17 39 DAY 12 15 17 19 27 5 25 31 14 12 8 11 DAYS WITH SKY CLEAR (0-2)/8 18 15 16 13 24 29 31 31 30 29 19 16 271 DAYS WITH P.CLOUDY (3-6)/8 5 10 11 10 5 1 0 0 0 1 9 10 62 DAYS WITH CLOUDY (7-8)/8 6 3 4 6 2 0 0 0 0 1 2 5 29 DAYS WITH VISIBILITY =< 2 KM 13 8 0 1 1 2 0 0 0 2 1 1 29 DURATION OF SUNSHINE HOURS 178.0 ****** ****** ****** ****** ****** 331.8 349.0 326.7 303.1 223.1 181.1 ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 1012.5 1009.1 1007.3 1004.0 1000.6 994.1 988.6 991.5 998.7 1005.1 1009.7 1012.7 1002.8 MAX. QFE PRESSURE IN HPA 1016.6 1015.8 1014.0 1011.0 1005.5 1001.0 993.0 997.5 1004.0 1013.0 1016.4 1018.0 1018.0 DAY-HOUR 19- 9 5- 9 3- 6 12- 6 8- 6 1- 9 24- 6 12- 6 13- 6 25- 6 30- 6 18- 6 MIN. QFE PRESSURE IN HPA 1006.6 1001.6 1001.2 998.6 995.0 988.5 982.0 984.0 991.6 999.5 1003.0 1006.6 982.0 DAY-HOUR 12- 3 23-12 14-12 19- 3 23-12 18-15 21-15 3-15 1-15 11-15 6-12 11-12 MEAN QNH PRESSURE IN HPA 1020.3 1016.8 1015.0 1011.7 1008.3 1001.7 996.2 999.1 1006.4 1012.8 1017.5 1020.4 1010.5 MAX. QNH PRESSURE IN HPA 1024.4 1023.6 1021.8 1018.8 1013.2 1008.7 1000.6 1005.2 1011.7 1020.8 1024.2 1025.8 1025.8 DAY-HOUR 19- 9 5- 9 3- 6 12- 6 8- 6 1- 9 24- 6 12- 6 13- 6 25- 6 30- 6 18- 6 MIN. QNH PRESSURE IN HPA 1014.3 1009.3 1008.9 1006.3 1002.7 996.1 989.6 991.6 999.2 1007.2 1010.7 1014.3 989.6 DAY-HOUR 12- 3 23-12 14-12 19- 3 23-12 18-15 21-15 3-15 1-15 11-15 6-12 11-12 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 1012.4 1009.0 1007.2 1003.8 1000.9 994.2 989.0 991.6 998.6 1004.9 1009.6 1012.6 1002.8 MAX. QFE PRESSURE IN HPA 1015.0 1013.0 1012.8 1008.8 1005.0 999.8 992.0 996.4 1002.2 1011.4 1015.0 1016.4 1016.4 DAY 19 10 3 6 2 3 24 12 13 25 30 19 MIN. QFE PRESSURE IN HPA 1006.6 1002.4 1002.4 998.6 996.8 989.5 984.0 987.0 993.0 999.8 1003.5 1007.2 984.0 DAY 12 23 17 19 23 19 21 3 1 12 6 12 MEAN QNH PRESSURE IN HPA 1020.1 1016.7 1014.9 1011.5 1008.6 1001.8 996.6 999.2 1006.3 1012.6 1017.4 1020.4 1010.5 MAX. QNH PRESSURE IN HPA 1022.8 1020.8 1020.6 1016.5 1012.7 1007.5 999.6 1004.1 1009.9 1019.2 1022.8 1024.2 1024.2 DAY 19 10 3 6 2 3 24 12 13 25 30 19 MIN. QNH PRESSURE IN HPA 1014.3 1010.1 1010.1 1006.3 1004.5 997.1 991.6 994.6 1000.6 1007.5 1011.2 1014.9 991.6 DAY 12 23 17 19 23 19 21 3 1 12 6 12 MEAN QFF PRESSURE IN HPA 1020.4 1017.0 1015.1 1011.5 1008.4 1001.5 996.3 998.9 1006.1 1012.6 1017.5 1020.7 1010.5 MAX. QFF PRESSURE IN HPA 1023.2 1021.1 1020.7 1016.7 1012.6 1007.3 999.2 1003.7 1009.7 1019.1 1023.1 1024.6 1024.6 DAY 23 10 3 6 8 3 24 12 13 25 30 19 MIN. QFF PRESSURE IN HPA 1014.5 1010.3 1010.3 1006.1 1004.1 996.8 991.2 994.2 1000.3 1007.3 1011.3 1015.2 991.2 DAY 12 23 17 19 23 19 21 3 2 12 6 12 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 1013.6 1010.1 1008.7 1005.0 1001.9 995.0 989.6 992.7 999.9 1006.4 1011.0 1013.8 1004.0 MAX. QFE PRESSURE IN HPA 1016.4 1014.6 1014.0 1011.0 1005.5 1000.5 993.0 997.5 1004.0 1013.0 1016.4 1018.0 1018.0 DAY 19 5 3 12 8 1 24 12 13 25 30 18 MIN. QFE PRESSURE IN HPA 1008.6 1003.6 1004.0 999.0 998.0 991.0 984.8 987.4 993.6 1001.0 1004.8 1007.8 984.8 DAY 11 23 14 23 23 18 20 3 1 12 6 12 MEAN QNH PRESSURE IN HPA 1021.4 1017.9 1016.4 1012.7 1009.6 1002.7 997.3 1000.3 1007.6 1014.1 1018.8 1021.5 1011.7 MAX. QNH PRESSURE IN HPA 1024.2 1022.4 1021.8 1018.8 1013.2 1008.2 1000.6 1005.2 1011.7 1020.8 1024.2 1025.8 1025.8 DAY 19 5 3 12 8 1 24 12 13 25 30 18 MIN. QNH PRESSURE IN HPA 1016.3 1011.3 1011.7 1006.7 1005.7 998.6 992.4 995.0 1001.2 1008.7 1012.5 1015.5 992.4 DAY 11 23 14 23 23 18 20 3 1 12 6 12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1013.2 1009.8 1008.1 1004.8 1001.4 994.8 989.3 992.4 999.5 1005.7 1010.2 1013.2 1003.5 MAX. QFE PRESSURE IN HPA 1016.6 1015.8 1013.5 1009.2 1005.3 1001.0 992.4 997.0 1003.2 1011.8 1016.4 1017.0 1017.0 DAY 19 5 3 6 7 1 25 12 13 24 30 19 MIN. QFE PRESSURE IN HPA 1008.4 1002.4 1003.0 1001.0 997.0 990.0 984.0 987.8 993.0 1001.0 1004.0 1007.3 984.0 DAY 11 23 14 18 23 18 21 3 1 12 6 11 MEAN QNH PRESSURE IN HPA 1021.0 1017.6 1015.9 1012.5 1009.1 1002.5 996.9 1000.0 1007.2 1013.4 1018.0 1020.9 1011.2 MAX. QNH PRESSURE IN HPA 1024.4 1023.6 1021.3 1016.9 1013.0 1008.7 1000.0 1004.7 1010.9 1019.6 1024.2 1024.8 1024.8 DAY 19 5 3 6 7 1 25 12 13 24 30 19 MIN. QNH PRESSURE IN HPA 1016.1 1010.1 1010.7 1008.7 1004.7 997.6 991.6 995.4 1000.6 1008.7 1011.7 1015.0 991.6 DAY 11 23 14 18 23 18 21 3 1 12 6 11 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 1011.8 1008.1 1006.3 1003.4 999.8 993.7 988.0 990.8 998.0 1004.2 1008.8 1011.8 1002.1 MAX. QFE PRESSURE IN HPA 1015.0 1014.8 1011.5 1009.0 1004.8 1000.2 990.8 995.0 1002.0 1010.5 1015.0 1015.8 1015.8 DAY 19 5 3 12 4 1 24 12 21 24 30 19 MIN. QFE PRESSURE IN HPA 1007.6 1001.6 1001.2 999.2 995.0 989.0 983.2 985.0 992.0 1000.0 1003.0 1006.6 983.2 DAY 11 23 14 24 23 18 17 3 1 12 6 11 MEAN QNH PRESSURE IN HPA 1019.6 1015.8 1014.1 1011.1 1007.5 1001.3 995.6 998.4 1005.7 1011.9 1016.6 1019.6 1009.8 MAX. QNH PRESSURE IN HPA 1022.8 1022.6 1019.3 1016.7 1012.5 1007.9 998.4 1002.7 1009.7 1018.3 1022.8 1023.6 1023.6 DAY 19 5 3 12 4 1 24 12 21 24 30 19 MIN. QNH PRESSURE IN HPA 1015.3 1009.3 1008.9 1006.9 1002.7 996.6 990.8 992.6 999.6 1007.7 1010.7 1014.3 990.8 DAY 11 23 14 24 23 18 17 3 1 12 6 11 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 1011.8 1008.3 1006.2 1003.1 999.0 992.8 987.1 990.1 997.7 1004.1 1009.0 1012.1 1001.8 MAX. QFE PRESSURE IN HPA 1015.4 1014.8 1011.5 1009.6 1004.4 999.2 990.0 994.2 1002.0 1011.0 1015.0 1016.5 1016.5 DAY 19 5 3 12 7 2 24 12 21 24 30 19 MIN. QFE PRESSURE IN HPA 1006.8 1003.2 1001.2 999.8 995.0 988.5 982.0 984.0 991.6 999.5 1003.0 1006.8 982.0 DAY 11 23 14 18 23 18 21 3 1 11 6 11 MEAN QNH PRESSURE IN HPA 1019.6 1016.0 1014.0 1010.8 1006.7 1000.5 994.7 997.7 1005.4 1011.8 1016.8 1019.9 1009.5 MAX. QNH PRESSURE IN HPA 1023.2 1022.6 1019.3 1017.3 1012.1 1006.9 997.6 1001.9 1009.7 1018.8 1022.8 1024.3 1024.3 DAY 19 5 3 12 7 2 24 12 21 24 30 19 MIN. QNH PRESSURE IN HPA 1014.5 1010.9 1008.9 1007.5 1002.7 996.1 989.6 991.6 999.2 1007.2 1010.7 1014.5 989.6 DAY 11 23 14 18 23 18 21 3 1 11 6 11 MEAN QFF PRESSURE IN HPA 1019.9 1016.2 1014.1 1010.8 1006.5 999.8 994.4 997.4 1005.1 1011.8 1016.9 1020.2 1009.4 MAX. QFF PRESSURE IN HPA 1023.5 1022.8 1019.4 1017.4 1012.0 1006.4 997.3 1001.6 1009.6 1018.8 1023.1 1024.7 1024.7 DAY 19 5 3 12 7 1 24 24 21 24 30 19 MIN. QFF PRESSURE IN HPA 1014.7 1011.2 1009.0 1007.4 1002.3 995.8 989.2 991.2 998.9 1007.0 1010.8 1014.8 989.2 DAY 11 23 14 18 23 18 21 3 1 11 6 11 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 14.3 16.7 18.7 25.8 35.3 38.1 42.1 40.2 35.5 28.9 21.8 18.0 27.9 MINIMUN AIR TEMPERATURE (C) 10.2 11.8 13.0 17.9 26.2 27.7 33.3 30.7 26.7 20.9 15.3 12.5 20.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 6 31 30 31 31 29 13 1 0 172 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 3.6 5.8 8.8 13.4 21.4 21.4 29.8 24.0 20.4 12.8 11.0 6.6 3.6 DAY 14 6 5 6 5 6 9 25 20 31 11 16 MAXIMUM AIR TEMPERATURE (C) 17.9 20.7 22.7 30.7 40.3 44.3 47.4 46.5 41.8 34.5 27.0 22.5 33.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 18 31 30 31 31 30 28 5 0 204 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.4 25.4 28.6 38.0 45.0 47.4 50.0 50.6 45.4 42.8 31.8 26.4 50.6 DAY 31 10 31 30 28 17 20 1 1 2 3 8 DIF. BETWEEN (MAX.-MIN.) (C) 7.7 8.9 9.7 12.8 14.1 16.6 14.1 15.8 15.1 13.6 11.7 10.0 12.5 MEAN DAILY TEMP. (MDT) (C) 14.0 16.3 17.8 24.3 33.2 36.0 40.4 38.6 34.3 27.7 21.1 17.5 26.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 1.7 104.0 378.7 450.8 601.0 544.5 397.9 209.6 28.5 0.0 2716.7 HEATING DEG. DAYS(BASE 18 0C) 122.9 55.5 29.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 35.0 243.7 DEWPOINT (MEAN C) 8.0 10.5 10.7 10.4 11.9 6.7 10.6 11.2 9.8 7.9 9.7 11.0 9.9 MIXING RATIO (G/KG) 6.83 8.06 8.29 8.27 9.34 6.45 8.82 9.00 8.02 7.11 7.68 8.25 8.01 VAPOUR PRESSURE (HPA) 10.96 12.88 13.20 13.16 14.74 10.20 13.82 14.13 12.67 11.33 12.32 13.24 12.72 SATURATION DEF. (HPA) 5.69 6.60 8.91 21.55 44.13 59.38 70.96 63.25 47.63 30.15 14.69 7.97 31.74 RELATIVE HUMIDITY (MEAN %) 69 69 63 43 27 16 18 21 23 29 49 66 41 RELATIVE HUMIDITY (MAX. %) 84 86 84 64 42 27 26 36 33 41 64 83 56 RELATIVE HUMIDITY (MIN. %) 54 53 45 30 20 10 12 11 15 20 37 52 30 RELATIVE HUMIDITY (MEAN% 03UTC) 81 84 83 63 37 26 25 34 32 37 63 80 54 RELATIVE HUMIDITY (MEAN% 09UTC) 65 62 56 35 23 13 15 17 20 25 45 60 36 RELATIVE HUMIDITY (MEAN% 15UTC) 66 66 54 35 22 12 14 13 19 27 44 64 36 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 107.9 100.7 138.7 36.4 3.0 0.0 0.0 0.0 0.0 0.0 5.0 17.2 408.9 DAYS WITH PRECIPITATION >=10 4 5 5 1 0 0 0 0 0 0 0 0 15 DAYS WITH PRECIPITATION >= 5 6 6 6 4 0 0 0 0 0 0 0 2 24 DAYS WITH PRECIPITATION >= 1 8 8 11 4 1 0 0 0 0 0 3 3 38 DAYS WITH PRECIPITATION 10 12 12 6 1 0 1 0 0 0 3 6 51 GREATEST DAILY PRECIPITATION 48.0 22.0 44.0 16.0 3.0 0.0 0.0 0.0 0.0 0.0 2.0 7.6 48.0 DAY 6 5 13 14 12 ** ** ** ** ** 16 14 DAY WITH THUNDER STORM 3 3 6 2 1 0 0 0 0 0 0 2 17 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 1 4 0 0 1 2 1 5 4 2 0 20 WIND DIRECTION (PREVAILING) 90 90 90 90 270 270 270 270 270 270 270 45 270 PREVAILING WIND SPEED(KNOTS) 11.1 14.3 12.2 15.3 13.0 12.7 12.2 11.3 10.7 10.4 9.9 10.7 11.2 PREVAILING WIND PERCENT 18.7 15.9 16.1 18.0 18.1 20.0 20.6 20.6 19.3 16.1 10.0 15.5 13.0 CALMS PERCENT OF WIND 47.7 40.0 42.6 36.7 30.3 37.3 25.8 29.7 54.0 46.5 59.3 51.6 41.7 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 98 91 94 119 277 222 179 204 243 199 346 80 156 VECTOR WIND MAGNITUDE(KNOTS) 3.4 3.0 2.5 2.3 2.2 3.6 1.4 3.7 2.4 1.4 0.3 2.6 1.0 WIND STEADINESES (MEAN %) 63.0 46.9 35.7 27.4 22.9 49.3 14.6 48.7 54.5 25.5 8.1 56.5 15.2 WIND SPEED (MEAN KNOTS) 5.4 6.4 7.0 8.4 9.6 7.3 9.6 7.6 4.4 5.5 3.7 4.6 6.6 FASTEST WIND DIRECTION 150 120 160 160 320 270 130 270 260 180 360 270 180 FASTEST WIND SPEED (KNOTS) 29 31 37 33 37 31 29 25 25 49 23 39 49 DAY 6 9 7 21 19 18 2 6 5 9 16 10 DAYS WITH SKY CLEAR (0-2)/8 10 12 15 18 21 29 26 31 30 29 16 20 257 DAYS WITH P.CLOUDY (3-6)/8 13 11 11 9 8 1 5 0 0 2 10 9 79 DAYS WITH CLOUDY (7-8)/8 8 6 5 3 2 0 0 0 0 0 4 2 30 DAYS WITH VISIBILITY =< 2 KM 4 1 2 0 0 0 1 0 2 0 0 3 13 DURATION OF SUNSHINE HOURS 151.5 116.4 204.4 267.6 304.7 370.1 343.1 352.5 304.7 300.8 197.5 202.3 3115.6 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 1010.1 1007.3 1004.6 1003.6 999.2 993.5 991.0 992.6 997.5 1005.8 1010.5 1012.7 1002.4 MAX. QFE PRESSURE IN HPA 1017.2 1013.2 1012.4 1008.5 1003.8 1000.6 998.4 998.8 1006.4 1011.0 1018.2 1016.7 1018.2 DAY-HOUR 25- 9 6- 6 29- 6 8- 6 17- 6 7- 6 3- 6 27- 6 25- 6 18- 6 16- 3 8- 6 MIN. QFE PRESSURE IN HPA 996.0 1000.0 996.0 996.8 992.2 988.0 986.0 986.4 992.4 997.8 1004.4 1008.8 986.0 DAY-HOUR 12- 9 10-12 12-15 12-12 28-15 18-15 6-15 3-15 15-12 4-12 6-15 10-12 MEAN QNH PRESSURE IN HPA 1017.8 1015.0 1012.3 1011.3 1006.9 1001.2 998.6 1000.3 1005.1 1013.5 1018.2 1020.4 1010.1 MAX. QNH PRESSURE IN HPA 1025.0 1021.0 1020.2 1016.2 1011.5 1008.3 1006.1 1006.5 1014.1 1018.8 1026.0 1024.5 1026.0 DAY-HOUR 25- 9 6- 6 29- 6 8- 6 17- 6 7- 6 3- 6 27- 6 25- 6 18- 6 16- 3 8- 6 MIN. QNH PRESSURE IN HPA 1003.7 1007.7 1003.7 1004.5 999.8 995.6 993.6 994.0 1000.0 1005.5 1012.1 1016.5 993.6 DAY-HOUR 12- 9 10-12 12-15 12-12 28-15 18-15 6-15 3-15 15-12 4-12 6-15 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 1009.7 1007.3 1004.8 1003.5 999.2 993.7 991.3 992.9 997.4 1005.7 1010.4 1012.5 1002.4 MAX. QFE PRESSURE IN HPA 1015.4 1011.9 1011.0 1008.0 1002.2 998.5 997.0 998.0 1004.5 1010.0 1018.2 1015.0 1018.2 DAY 26 8 29 8 17 7 3 27 25 18 16 8 MIN. QFE PRESSURE IN HPA 996.6 1002.2 998.1 999.2 994.0 989.5 987.0 988.4 993.8 998.4 1006.4 1010.8 987.0 DAY 12 10 7 18 29 17 6 14 15 4 3 15 MEAN QNH PRESSURE IN HPA 1017.4 1015.0 1012.5 1011.2 1006.8 1001.4 998.9 1000.5 1005.1 1013.5 1018.1 1020.3 1010.1 MAX. QNH PRESSURE IN HPA 1023.2 1019.7 1018.8 1015.7 1009.9 1006.2 1004.7 1005.7 1012.2 1017.8 1026.0 1022.8 1026.0 DAY 26 8 29 8 17 7 3 27 25 18 16 8 MIN. QNH PRESSURE IN HPA 1004.3 1009.9 1005.8 1006.9 1001.6 997.1 994.6 996.0 1001.4 1006.1 1014.1 1018.6 994.6 DAY 12 10 7 18 29 17 6 14 15 4 3 15 MEAN QFF PRESSURE IN HPA 1017.7 1015.2 1012.6 1011.3 1006.6 1001.1 998.5 1000.1 1004.8 1013.4 1018.2 1020.5 1010.0 MAX. QFF PRESSURE IN HPA 1023.5 1020.0 1019.0 1015.8 1009.6 1006.0 1004.3 1005.3 1012.1 1017.9 1026.0 1022.9 1026.0 DAY 26 6 29 8 17 7 3 27 25 31 16 8 MIN. QFF PRESSURE IN HPA 1004.5 1010.0 1005.9 1006.9 1001.3 996.7 994.2 995.6 1001.2 1005.9 1014.2 1018.8 994.2 DAY 12 10 7 18 29 17 6 14 15 4 6 22 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 1011.1 1008.5 1005.8 1004.7 1000.3 994.7 992.3 994.0 998.6 1007.0 1011.6 1014.0 1003.5 MAX. QFE PRESSURE IN HPA 1016.8 1013.2 1012.4 1008.5 1003.8 1000.6 998.4 998.8 1006.4 1011.0 1018.2 1016.7 1018.2 DAY 25 6 29 8 17 7 3 27 25 18 16 8 MIN. QFE PRESSURE IN HPA 997.8 1003.4 998.5 1000.3 995.8 990.6 987.8 989.0 994.4 999.6 1007.4 1011.7 987.8 DAY 12 10 7 18 29 18 6 14 15 4 6 10 MEAN QNH PRESSURE IN HPA 1018.9 1016.2 1013.5 1012.4 1008.0 1002.3 999.9 1001.6 1006.3 1014.7 1019.4 1021.8 1011.3 MAX. QNH PRESSURE IN HPA 1024.6 1021.0 1020.2 1016.2 1011.5 1008.3 1006.1 1006.5 1014.1 1018.8 1026.0 1024.5 1026.0 DAY 25 6 29 8 17 7 3 27 25 18 16 8 MIN. QNH PRESSURE IN HPA 1005.5 1011.1 1006.2 1008.0 1003.5 998.2 995.4 996.6 1002.1 1007.3 1015.1 1019.5 995.4 DAY 12 10 7 18 29 18 6 14 15 4 6 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 1010.8 1008.0 1005.3 1004.5 1000.1 994.3 991.7 993.4 998.2 1006.4 1011.0 1013.3 1003.1 MAX. QFE PRESSURE IN HPA 1017.2 1013.0 1011.8 1008.2 1003.4 1000.4 998.2 997.5 1006.4 1010.0 1017.4 1016.4 1017.4 DAY 25 6 29 15 17 7 3 27 25 17 16 4 MIN. QFE PRESSURE IN HPA 996.0 1002.0 997.8 999.0 996.4 990.0 988.0 988.8 993.6 999.2 1006.1 1010.9 988.0 DAY 12 10 7 12 29 18 6 14 15 4 6 22 MEAN QNH PRESSURE IN HPA 1018.6 1015.7 1013.0 1012.2 1007.8 1001.9 999.4 1001.1 1005.9 1014.1 1018.8 1021.1 1010.8 MAX. QNH PRESSURE IN HPA 1025.0 1020.8 1019.6 1015.9 1011.1 1008.1 1005.9 1005.2 1014.1 1017.8 1025.2 1024.2 1025.2 DAY 25 6 29 15 17 7 3 27 25 17 16 4 MIN. QNH PRESSURE IN HPA 1003.7 1009.7 1005.5 1006.7 1004.1 997.6 995.6 996.4 1001.2 1006.9 1013.8 1018.7 995.6 DAY 12 10 7 12 29 18 6 14 15 4 6 22 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1009.3 1006.3 1003.7 1003.0 998.6 992.8 990.2 991.8 996.7 1004.9 1009.6 1011.7 1001.5 MAX. QFE PRESSURE IN HPA 1015.8 1011.0 1010.4 1008.0 1001.9 999.0 996.4 996.1 1004.5 1009.0 1015.2 1014.0 1015.8 DAY 25 6 28 26 4 7 3 28 25 17 15 4 MIN. QFE PRESSURE IN HPA 998.0 1000.0 996.4 996.8 994.0 988.7 986.4 987.0 992.4 997.8 1004.5 1008.8 986.4 DAY 12 10 12 12 28 18 6 3 15 4 6 10 MEAN QNH PRESSURE IN HPA 1017.1 1014.0 1011.4 1010.7 1006.3 1000.5 997.8 999.5 1004.4 1012.6 1017.4 1019.5 1009.2 MAX. QNH PRESSURE IN HPA 1023.6 1018.8 1018.2 1015.7 1009.6 1006.7 1004.1 1003.8 1012.2 1016.7 1023.0 1021.8 1023.6 DAY 25 6 28 26 4 7 3 28 25 17 15 4 MIN. QNH PRESSURE IN HPA 1005.7 1007.7 1004.1 1004.5 1001.6 996.3 994.0 994.6 1000.0 1005.5 1012.2 1016.5 994.0 DAY 12 10 12 12 28 18 6 3 15 4 6 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 1009.5 1006.6 1003.5 1002.4 998.0 992.2 989.4 991.2 996.4 1004.9 1009.7 1011.9 1001.3 MAX. QFE PRESSURE IN HPA 1015.8 1011.0 1010.4 1006.4 1001.8 997.6 995.0 995.5 1004.0 1009.2 1016.0 1014.3 1016.0 DAY 25 7 28 15 11 7 3 28 25 17 15 27 MIN. QFE PRESSURE IN HPA 1000.4 1001.0 996.0 999.0 992.2 988.0 986.0 986.4 992.4 998.2 1004.4 1009.2 986.0 DAY 12 10 12 9 28 18 6 3 15 4 6 14 MEAN QNH PRESSURE IN HPA 1017.2 1014.3 1011.2 1010.1 1005.7 999.8 997.1 998.8 1004.1 1012.6 1017.5 1019.7 1009.0 MAX. QNH PRESSURE IN HPA 1023.6 1018.8 1018.2 1014.1 1009.5 1005.3 1002.7 1003.2 1011.7 1016.9 1023.8 1022.1 1023.8 DAY 25 7 28 15 11 7 3 28 25 17 15 27 MIN. QNH PRESSURE IN HPA 1008.1 1008.7 1003.7 1006.7 999.8 995.6 993.6 994.0 1000.0 1005.9 1012.1 1016.9 993.6 DAY 12 10 12 9 28 18 6 3 15 4 6 14 MEAN QFF PRESSURE IN HPA 1017.5 1014.5 1011.4 1010.2 1005.4 999.5 996.6 998.4 1003.8 1012.6 1017.6 1019.9 1009.0 MAX. QFF PRESSURE IN HPA 1023.9 1019.1 1018.4 1014.2 1009.3 1005.1 1002.3 1002.8 1011.5 1017.0 1023.8 1022.3 1023.9 DAY 25 7 28 15 11 7 3 28 25 17 15 27 MIN. QFF PRESSURE IN HPA 1008.4 1008.8 1003.8 1006.6 999.5 995.3 993.2 993.6 999.8 1005.7 1012.1 1017.1 993.2 DAY 12 10 12 9 28 18 6 3 15 4 6 14 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 14.7 14.2 16.8 24.4 34.0 38.8 38.8 37.5 35.5 29.6 20.2 14.2 26.6 MINIMUN AIR TEMPERATURE (C) 9.5 7.6 11.4 17.4 25.2 29.2 29.1 28.1 25.5 22.5 15.7 10.7 19.3 DAYS WITH MINIMUM TEMP. >=21 0 0 0 5 25 30 31 31 30 21 0 0 173 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 2 0 0 0 0 0 0 0 0 0 0 2 TEMPERATURE RECORDS LOWEST(C) 5.2 -0.2 3.6 7.8 18.0 22.8 26.0 26.2 22.4 16.2 11.6 6.4 -0.2 DAY 6 7 8 12 6 3 19 21 15 25 24 27 MAXIMUM AIR TEMPERATURE (C) 19.3 19.4 21.3 29.2 38.9 44.2 45.4 44.5 41.8 34.6 24.0 17.6 31.7 DAYS WITH MAXIMUM TEMP. >=30 0 1 0 16 30 30 31 31 30 27 0 0 196 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.8 30.8 25.6 35.4 45.0 48.4 48.6 48.4 45.8 41.0 29.4 22.0 48.6 DAY 11 21 22 23 28 27 26 1 2 6 2 4 DIF. BETWEEN (MAX.-MIN.) (C) 9.8 11.8 9.9 11.8 13.7 15.0 16.3 16.4 16.3 12.1 8.3 6.9 12.4 MEAN DAILY TEMP. (MDT) (C) 14.4 13.5 16.3 23.3 32.1 36.7 37.3 36.3 33.7 28.6 19.9 14.2 25.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 2.1 0.0 90.6 343.3 471.7 504.5 474.3 380.4 234.7 16.5 0.0 2518.1 HEATING DEG. DAYS(BASE 18 0C) 114.9 135.7 56.1 7.6 0.0 0.0 0.0 0.0 0.0 0.0 3.8 119.0 437.1 DEWPOINT (MEAN C) 7.9 0.4 7.4 10.4 12.4 12.3 11.8 12.7 8.8 12.0 13.6 11.3 10.1 MIXING RATIO (G/KG) 6.73 4.06 6.74 8.36 9.33 9.44 9.04 9.47 7.34 9.16 9.89 8.40 8.16 VAPOUR PRESSURE (HPA) 10.82 6.55 10.76 13.30 14.79 14.84 14.16 14.89 11.65 14.59 15.79 13.47 12.97 SATURATION DEF. (HPA) 6.50 10.75 9.00 18.63 40.74 56.92 57.90 52.30 48.73 28.72 8.48 3.04 28.48 RELATIVE HUMIDITY (MEAN %) 67 42 58 45 30 22 22 24 21 38 68 84 43 RELATIVE HUMIDITY (MAX. %) 84 60 79 66 41 31 32 36 30 52 86 96 58 RELATIVE HUMIDITY (MIN. %) 51 28 41 30 23 16 14 16 14 28 53 70 32 RELATIVE HUMIDITY (MEAN% 03UTC) 82 58 76 64 41 31 32 35 30 49 83 93 56 RELATIVE HUMIDITY (MEAN% 09UTC) 61 37 50 39 26 19 20 22 18 32 61 81 39 RELATIVE HUMIDITY (MEAN% 15UTC) 61 33 53 37 26 19 15 17 19 34 64 80 38 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 56.0 1.0 147.0 11.3 0.9 0.0 0.0 0.0 0.0 7.6 106.5 110.6 440.9 DAYS WITH PRECIPITATION >=10 2 0 5 1 0 0 0 0 0 0 4 4 16 DAYS WITH PRECIPITATION >= 5 4 0 5 1 0 0 0 0 0 0 4 6 20 DAYS WITH PRECIPITATION >= 1 4 1 13 1 0 0 0 0 0 3 5 8 35 DAYS WITH PRECIPITATION 5 2 16 5 3 0 0 0 0 8 7 9 55 GREATEST DAILY PRECIPITATION 30.0 1.0 47.0 10.0 0.9 0.0 0.0 0.0 0.0 3.0 57.0 29.0 57.0 DAY 16 1 29 18 5 ** ** ** ** 24 3 14 DAY WITH THUNDER STORM 0 0 4 1 2 0 0 0 0 1 5 1 14 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 2 1 1 3 2 4 2 4 0 1 0 20 WIND DIRECTION (PREVAILING) 90 270 135 180 270 270 270 270 270 270 90 90 270 PREVAILING WIND SPEED(KNOTS) 9.5 8.5 16.5 14.7 11.2 14.0 13.6 11.9 12.4 12.4 10.1 10.7 11.9 PREVAILING WIND PERCENT 9.7 12.1 14.2 12.7 14.8 18.7 21.3 21.9 23.3 10.3 12.0 7.1 12.4 CALMS PERCENT OF WIND 67.1 50.7 36.1 26.7 30.3 30.7 24.5 37.4 35.3 55.5 55.3 74.8 43.7 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 100 245 128 172 224 245 213 222 276 297 70 99 203 VECTOR WIND MAGNITUDE(KNOTS) 1.8 0.9 3.6 2.3 1.9 3.1 4.3 3.4 2.5 1.2 2.3 0.9 1.1 WIND STEADINESES (MEAN %) 62.1 19.6 42.9 24.0 24.1 36.0 53.7 56.7 35.2 24.5 56.1 39.1 17.7 WIND SPEED (MEAN KNOTS) 2.9 4.6 8.4 9.6 7.9 8.6 8.0 6.0 7.1 4.9 4.1 2.3 6.2 FASTEST WIND DIRECTION 150 160 210 210 180 360 270 270 280 360 90 70 210 FASTEST WIND SPEED (KNOTS) 19 35 54 39 35 29 33 23 31 39 39 31 54 DAY 26 21 23 17 19 13 15 19 6 20 4 9 DAYS WITH SKY CLEAR (0-2)/8 19 24 13 19 23 27 31 30 30 19 18 13 266 DAYS WITH P.CLOUDY (3-6)/8 9 3 14 9 7 2 0 1 0 10 9 13 77 DAYS WITH CLOUDY (7-8)/8 3 1 4 2 1 1 0 0 0 2 3 5 22 DAYS WITH VISIBILITY =< 2 KM 4 1 1 1 1 1 1 1 2 2 2 15 32 DURATION OF SUNSHINE HOURS 198.9 255.5 202.7 265.5 316.0 339.4 366.3 342.0 320.3 233.6 198.9 134.0 3173.1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 1010.9 1011.7 1006.5 1004.5 1001.0 994.3 989.6 992.8 1000.0 1006.6 1009.6 1011.2 1003.2 MAX. QFE PRESSURE IN HPA 1016.1 1020.4 1016.6 1014.3 1007.4 1001.4 993.8 998.4 1007.0 1011.4 1013.8 1018.6 1020.4 DAY-HOUR 19- 9 6- 6 1- 6 12- 6 6- 6 8- 6 25- 6 31- 9 30- 6 31- 6 8- 6 30- 6 MIN. QFE PRESSURE IN HPA 1000.5 1001.2 993.5 998.0 994.2 985.4 985.2 986.4 993.4 1000.5 1006.0 1003.0 985.2 DAY-HOUR 16- 3 21-15 29- 6 4-15 30-15 29-15 30-15 1-15 2-15 6-15 11- 3 10- 3 MEAN QNH PRESSURE IN HPA 1018.7 1019.5 1014.3 1012.2 1008.7 1001.9 997.3 1000.5 1007.6 1014.3 1017.3 1018.9 1010.9 MAX. QNH PRESSURE IN HPA 1023.9 1028.2 1024.4 1022.1 1015.1 1009.1 1001.4 1006.1 1014.7 1019.2 1021.6 1026.4 1028.2 DAY-HOUR 19- 9 6- 6 1- 6 12- 6 6- 6 8- 6 25- 6 31- 9 30- 6 31- 6 8- 6 30- 6 MIN. QNH PRESSURE IN HPA 1008.2 1008.9 1001.1 1005.7 1001.9 993.0 992.8 994.0 1001.0 1008.2 1013.7 1010.7 992.8 DAY-HOUR 16- 3 21-15 29- 6 4-15 30-15 29-15 30-15 1-15 2-15 6-15 11- 3 10- 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 1010.8 1011.7 1006.5 1004.6 1001.4 994.5 989.6 992.9 999.9 1006.3 1009.4 1010.7 1003.2 MAX. QFE PRESSURE IN HPA 1014.0 1018.9 1015.6 1013.4 1006.0 1000.8 992.1 997.0 1005.4 1009.5 1013.0 1017.5 1018.9 DAY 7 7 1 13 6 8 25 31 30 25 8 30 MIN. QFE PRESSURE IN HPA 1000.5 1004.1 994.6 999.0 995.0 987.0 986.0 987.0 995.0 1001.0 1006.0 1003.0 986.0 DAY 16 19 29 5 31 29 31 1 2 6 11 10 MEAN QNH PRESSURE IN HPA 1018.6 1019.5 1014.2 1012.3 1009.1 1002.1 997.2 1000.6 1007.6 1014.0 1017.1 1018.5 1010.9 MAX. QNH PRESSURE IN HPA 1021.8 1026.7 1023.4 1021.2 1013.7 1008.5 999.7 1004.7 1013.1 1017.2 1020.8 1025.3 1026.7 DAY 7 7 1 13 6 8 25 31 30 25 8 30 MIN. QNH PRESSURE IN HPA 1008.2 1011.8 1002.3 1006.7 1002.7 994.6 993.6 994.6 1002.7 1008.7 1013.7 1010.7 993.6 DAY 16 19 29 5 31 29 31 1 2 6 11 10 MEAN QFF PRESSURE IN HPA 1018.9 1019.8 1014.5 1012.3 1008.9 1001.8 996.9 1000.3 1007.4 1014.0 1017.2 1018.8 1010.9 MAX. QFF PRESSURE IN HPA 1022.1 1027.3 1023.7 1021.4 1013.7 1008.2 999.4 1004.4 1013.0 1017.3 1020.9 1025.6 1027.3 DAY 7 7 1 13 6 8 25 31 30 25 8 30 MIN. QFF PRESSURE IN HPA 1008.5 1012.0 1002.5 1006.7 1002.3 994.2 993.2 994.2 1002.3 1008.5 1013.7 1010.9 993.2 DAY 16 19 29 5 31 29 31 1 2 6 11 10 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 1012.2 1013.2 1007.7 1005.9 1002.4 995.4 990.6 993.9 1001.2 1007.8 1010.7 1012.0 1004.4 MAX. QFE PRESSURE IN HPA 1016.0 1020.4 1016.6 1014.3 1007.4 1001.4 993.8 998.0 1007.0 1011.4 1013.8 1018.6 1020.4 DAY 19 6 1 12 6 8 25 31 30 31 8 30 MIN. QFE PRESSURE IN HPA 1003.0 1006.4 993.5 1001.2 997.0 988.4 987.0 988.0 996.0 1003.0 1008.4 1005.2 987.0 DAY 16 21 29 5 31 29 16 1 2 6 11 10 MEAN QNH PRESSURE IN HPA 1020.0 1020.9 1015.5 1013.6 1010.1 1003.1 998.2 1001.6 1008.9 1015.6 1018.5 1019.7 1012.1 MAX. QNH PRESSURE IN HPA 1023.8 1028.2 1024.4 1022.1 1015.1 1009.1 1001.4 1005.7 1014.7 1019.2 1021.6 1026.4 1028.2 DAY 19 6 1 12 6 8 25 31 30 31 8 30 MIN. QNH PRESSURE IN HPA 1010.7 1014.1 1001.1 1008.9 1004.7 996.0 994.6 995.6 1003.7 1010.7 1016.1 1012.9 994.6 DAY 16 21 29 5 31 29 16 1 2 6 11 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 1011.7 1012.6 1007.4 1005.4 1001.8 995.0 990.4 993.6 1000.7 1007.3 1010.2 1011.8 1004.0 MAX. QFE PRESSURE IN HPA 1016.1 1020.1 1016.2 1013.9 1007.1 1001.0 993.8 998.4 1006.4 1011.0 1013.0 1017.8 1020.1 DAY 19 6 1 12 6 8 25 31 30 31 6 30 MIN. QFE PRESSURE IN HPA 1003.0 1005.0 997.5 1000.6 996.0 988.0 987.4 987.9 995.8 1002.5 1007.1 1004.6 987.4 DAY 16 21 29 5 31 29 16 1 2 6 24 10 MEAN QNH PRESSURE IN HPA 1019.5 1020.4 1015.2 1013.1 1009.5 1002.7 998.1 1001.3 1008.4 1015.0 1017.9 1019.6 1011.7 MAX. QNH PRESSURE IN HPA 1023.9 1027.9 1024.0 1021.7 1014.8 1008.7 1001.4 1006.1 1014.1 1018.8 1020.8 1025.6 1027.9 DAY 19 6 1 12 6 8 25 31 30 31 6 30 MIN. QNH PRESSURE IN HPA 1010.7 1012.7 1005.2 1008.3 1003.7 995.6 995.0 995.5 1003.5 1010.2 1014.8 1012.3 995.0 DAY 16 21 29 5 31 29 16 1 2 6 24 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 1009.9 1010.7 1005.6 1003.6 1000.1 993.6 989.2 992.2 999.2 1005.8 1008.8 1010.7 1002.4 MAX. QFE PRESSURE IN HPA 1014.4 1018.4 1014.0 1012.4 1005.1 999.5 992.6 997.0 1004.2 1010.0 1011.6 1016.0 1018.4 DAY 19 6 9 12 6 8 25 31 30 31 6 29 MIN. QFE PRESSURE IN HPA 1001.0 1001.6 996.4 998.4 995.0 986.4 986.4 987.0 994.0 1000.6 1006.1 1004.0 986.4 DAY 16 21 29 4 31 29 16 1 2 6 24 10 MEAN QNH PRESSURE IN HPA 1017.7 1018.5 1013.3 1011.4 1007.8 1001.2 996.8 999.8 1006.8 1013.5 1016.5 1018.4 1010.1 MAX. QNH PRESSURE IN HPA 1022.2 1026.2 1021.8 1020.2 1012.8 1007.2 1000.2 1004.7 1011.9 1017.8 1019.4 1023.8 1026.2 DAY 19 6 9 12 6 8 25 31 30 31 6 29 MIN. QNH PRESSURE IN HPA 1008.7 1009.3 1004.1 1006.1 1002.7 994.0 994.0 994.6 1001.6 1008.3 1013.8 1011.7 994.0 DAY 16 21 29 4 31 29 16 1 2 6 24 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 1010.1 1010.5 1005.5 1003.1 999.5 992.9 988.5 991.6 998.9 1005.6 1008.9 1010.8 1002.2 MAX. QFE PRESSURE IN HPA 1014.2 1018.4 1013.4 1011.8 1004.5 999.0 991.5 996.4 1004.0 1010.0 1012.2 1016.8 1018.4 DAY 19 6 1 12 6 4 25 31 29 31 7 29 MIN. QFE PRESSURE IN HPA 1001.2 1001.2 997.0 998.0 994.2 985.4 985.2 986.4 993.4 1000.5 1006.5 1004.0 985.2 DAY 16 21 24 4 30 29 30 1 2 6 24 9 MEAN QNH PRESSURE IN HPA 1017.8 1018.3 1013.2 1010.8 1007.2 1000.5 996.1 999.3 1006.6 1013.4 1016.6 1018.6 1009.9 MAX. QNH PRESSURE IN HPA 1022.0 1026.2 1021.2 1019.6 1012.2 1006.7 999.1 1004.1 1011.7 1017.8 1020.0 1024.6 1026.2 DAY 19 6 1 12 6 4 25 31 29 31 7 29 MIN. QNH PRESSURE IN HPA 1008.9 1008.9 1004.7 1005.7 1001.9 993.0 992.8 994.0 1001.0 1008.2 1014.2 1011.7 992.8 DAY 16 21 24 4 30 29 30 1 2 6 24 9 MEAN QFF PRESSURE IN HPA 1018.1 1018.6 1013.5 1010.9 1007.0 1000.2 995.7 998.9 1006.4 1013.3 1016.7 1018.9 1009.8 MAX. QFF PRESSURE IN HPA 1022.3 1026.8 1021.5 1019.9 1012.2 1006.5 998.8 1003.8 1011.5 1017.8 1020.0 1024.9 1026.8 DAY 19 6 1 12 6 4 25 31 29 31 7 29 MIN. QFF PRESSURE IN HPA 1009.1 1008.9 1004.8 1005.6 1001.5 992.6 992.4 993.6 1000.7 1008.0 1014.4 1011.9 992.4 DAY 16 21 24 4 30 29 30 1 2 6 24 9 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.5 15.6 19.2 27.6 34.1 40.4 40.9 41.1 36.8 30.3 24.4 19.8 28.5 MINIMUN AIR TEMPERATURE (C) 7.7 10.4 13.4 19.0 24.4 29.8 31.7 32.0 27.8 22.0 16.9 13.5 20.7 DAYS WITH MINIMUM TEMP. >=21 0 0 1 11 24 30 31 31 30 20 2 0 180 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 1.2 5.0 9.0 13.6 17.2 23.4 26.4 27.6 23.6 16.8 13.2 7.6 1.2 DAY 17 16 23 6 11 1 9 23 5 31 1 13 MAXIMUM AIR TEMPERATURE (C) 15.1 19.9 23.5 33.0 39.8 46.4 46.9 47.2 42.6 35.9 30.1 25.2 33.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 22 31 30 31 31 30 30 13 0 219 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 19.8 26.0 31.4 37.6 46.8 49.8 50.4 49.8 45.8 40.0 34.0 29.6 50.4 DAY 20 7 28 19 28 28 16 12 1 5 4 18 DIF. BETWEEN (MAX.-MIN.) (C) 7.4 9.5 10.1 14.0 15.4 16.6 15.2 15.2 14.8 13.9 13.2 11.7 13.1 MEAN DAILY TEMP. (MDT) (C) 11.4 15.1 18.4 26.0 32.1 38.1 39.3 39.6 35.2 28.9 23.5 19.3 27.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.5 12.0 152.7 343.2 514.1 566.4 576.1 426.1 246.4 75.4 4.4 2917.3 HEATING DEG. DAYS(BASE 18 0C) 203.9 86.7 28.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7.4 326.8 DEWPOINT (MEAN C) 7.5 7.6 10.1 9.3 10.6 10.6 13.0 15.5 13.8 5.9 6.7 6.5 9.8 MIXING RATIO (G/KG) 6.55 6.75 7.94 7.63 8.29 8.20 9.91 11.92 10.27 6.01 6.35 6.34 8.01 VAPOUR PRESSURE (HPA) 10.53 10.83 12.70 12.17 13.17 12.94 15.53 18.63 16.19 9.62 10.19 10.20 12.73 SATURATION DEF. (HPA) 3.44 7.55 10.35 26.52 42.83 65.60 64.44 62.14 47.76 35.22 21.40 13.57 33.40 RELATIVE HUMIDITY (MEAN %) 78 62 59 35 26 18 21 26 27 23 35 46 38 RELATIVE HUMIDITY (MAX. %) 92 81 79 55 40 28 32 40 38 32 47 61 52 RELATIVE HUMIDITY (MIN. %) 63 45 43 23 18 12 14 16 19 16 24 34 27 RELATIVE HUMIDITY (MEAN% 03UTC) 89 78 77 54 40 28 32 39 37 31 45 58 51 RELATIVE HUMIDITY (MEAN% 09UTC) 76 56 53 29 22 15 19 23 25 20 30 40 34 RELATIVE HUMIDITY (MEAN% 15UTC) 73 59 52 29 22 15 15 18 23 22 34 44 34 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 142.1 29.4 41.5 5.3 6.0 0.0 0.0 0.0 0.0 0.0 7.0 13.6 244.9 DAYS WITH PRECIPITATION >=10 5 1 2 0 0 0 0 0 0 0 0 0 8 DAYS WITH PRECIPITATION >= 5 6 2 4 0 1 0 0 0 0 0 1 1 15 DAYS WITH PRECIPITATION >= 1 9 4 6 2 2 0 0 0 0 0 1 4 28 DAYS WITH PRECIPITATION 11 5 13 5 3 0 0 0 0 1 1 5 44 GREATEST DAILY PRECIPITATION 41.0 19.0 10.0 3.0 5.0 0.0 0.0 0.0 0.0 0.0 7.0 7.0 41.0 DAY 5 15 29 28 13 ** ** ** ** ** 12 1 DAY WITH THUNDER STORM 2 0 1 1 1 0 0 0 0 0 1 1 7 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 0 0 1 2 3 1 0 0 0 0 7 WIND DIRECTION (PREVAILING) 135 135 45 270 270 270 270 270 270 225 45 45 270 PREVAILING WIND SPEED(KNOTS) 9.8 9.6 12.7 12.9 10.8 13.7 11.6 12.2 10.7 7.1 9.2 12.7 11.6 PREVAILING WIND PERCENT 10.3 11.4 14.2 18.0 23.2 32.7 22.6 17.4 16.0 10.3 10.0 7.7 13.8 CALMS PERCENT OF WIND 60.0 50.0 34.8 30.0 21.3 30.0 32.3 30.3 41.3 49.0 58.7 68.4 42.1 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 108 74 98 222 253 257 223 218 225 160 97 69 211 VECTOR WIND MAGNITUDE(KNOTS) 1.4 0.6 2.0 1.6 2.0 4.3 3.8 4.1 2.2 0.7 1.7 1.4 1.1 WIND STEADINESES (MEAN %) 35.0 12.2 26.7 18.4 23.3 48.9 55.1 52.6 40.7 15.6 40.5 43.7 17.7 WIND SPEED (MEAN KNOTS) 4.0 4.9 7.5 8.7 8.6 8.8 6.9 7.8 5.4 4.5 4.2 3.2 6.2 FASTEST WIND DIRECTION 130 150 120 140 250 60 280 280 270 280 150 300 300 FASTEST WIND SPEED (KNOTS) 29 27 29 31 45 37 29 27 25 23 27 49 49 DAY 12 7 17 20 28 17 29 21 27 13 11 1 DAYS WITH SKY CLEAR (0-2)/8 15 12 13 18 22 27 26 29 27 27 20 13 249 DAYS WITH P.CLOUDY (3-6)/8 10 11 10 11 8 3 5 2 3 4 9 12 88 DAYS WITH CLOUDY (7-8)/8 6 5 8 1 1 0 0 0 0 0 1 6 28 DAYS WITH VISIBILITY =< 2 KM 7 0 1 0 0 0 0 0 0 1 1 1 11 DURATION OF SUNSHINE HOURS 161.2 196.1 190.4 286.0 314.1 359.7 366.9 344.3 306.6 296.8 250.3 210.1 3282.5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 1011.6 1010.2 1008.5 1005.0 1001.7 995.4 991.2 993.4 998.5 1005.7 1010.1 1012.1 1003.6 MAX. QFE PRESSURE IN HPA 1017.8 1016.6 1015.8 1012.8 1008.0 1001.9 997.6 999.0 1004.0 1012.8 1013.8 1017.6 1017.8 DAY-HOUR 22- 9 24- 6 22- 6 12- 6 3- 6 5- 6 23- 6 25- 6 25- 6 25- 6 21- 6 5- 6 MIN. QFE PRESSURE IN HPA 1002.6 1002.0 998.7 997.0 995.5 987.0 986.0 987.8 992.0 1000.0 1006.8 1006.0 986.0 DAY-HOUR 13- 3 7-15 1-12 22-15 29-15 30-15 2-15 13-15 3-15 1-12 18-12 21-12 MEAN QNH PRESSURE IN HPA 1019.4 1017.9 1016.2 1012.7 1009.4 1003.0 998.9 1001.0 1006.2 1013.4 1017.8 1019.8 1011.3 MAX. QNH PRESSURE IN HPA 1025.6 1024.4 1023.6 1020.6 1015.7 1009.6 1005.3 1006.7 1011.7 1020.6 1021.6 1025.4 1025.6 DAY-HOUR 22- 9 24- 6 22- 6 12- 6 3- 6 5- 6 23- 6 25- 6 25- 6 25- 6 21- 6 5- 6 MIN. QNH PRESSURE IN HPA 1010.3 1009.7 1006.4 1004.7 1003.2 994.6 993.6 995.4 999.6 1007.7 1014.5 1013.7 993.6 DAY-HOUR 13- 3 7-15 1-12 22-15 29-15 30-15 2-15 13-15 3-15 1-12 18-12 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 1011.2 1010.1 1008.3 1004.8 1001.8 995.8 991.7 993.9 998.6 1005.6 1010.0 1011.9 1003.6 MAX. QFE PRESSURE IN HPA 1016.4 1015.4 1014.0 1011.0 1006.8 1001.0 996.4 998.5 1003.2 1011.4 1012.8 1016.0 1016.4 DAY 22 24 22 7 8 5 22 25 26 25 21 5 MIN. QFE PRESSURE IN HPA 1002.6 1004.0 1000.0 998.0 996.0 989.8 988.0 990.0 994.0 1001.0 1008.0 1007.6 988.0 DAY 13 8 1 21 29 30 2 13 1 1 18 21 MEAN QNH PRESSURE IN HPA 1019.0 1017.8 1016.1 1012.5 1009.5 1003.4 999.3 1001.5 1006.3 1013.4 1017.8 1019.7 1011.4 MAX. QNH PRESSURE IN HPA 1024.2 1023.2 1021.8 1018.8 1014.5 1008.7 1004.1 1006.2 1010.9 1019.2 1020.6 1023.8 1024.2 DAY 22 24 22 7 8 5 22 25 26 25 21 5 MIN. QNH PRESSURE IN HPA 1010.3 1011.7 1007.7 1005.7 1003.7 997.4 995.6 997.6 1001.6 1008.7 1015.7 1015.3 995.6 DAY 13 8 1 21 29 30 2 13 1 1 18 21 MEAN QFF PRESSURE IN HPA 1019.4 1018.1 1016.2 1012.5 1009.3 1003.1 998.9 1001.1 1006.0 1013.3 1017.8 1019.9 1011.3 MAX. QFF PRESSURE IN HPA 1024.6 1023.5 1022.0 1018.9 1014.3 1008.4 1003.7 1005.8 1010.6 1019.2 1020.6 1024.0 1024.6 DAY 22 24 22 7 8 5 22 25 26 25 21 5 MIN. QFF PRESSURE IN HPA 1010.8 1011.8 1007.9 1005.6 1003.4 997.1 995.2 997.2 1001.3 1008.5 1015.9 1015.5 995.2 DAY 13 8 1 21 29 30 2 13 1 1 18 21 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 1012.4 1011.4 1009.4 1006.3 1003.0 996.6 992.3 994.8 999.7 1007.0 1011.5 1013.3 1004.8 MAX. QFE PRESSURE IN HPA 1017.4 1016.6 1015.8 1012.8 1008.0 1001.9 997.6 999.0 1004.0 1012.8 1013.8 1017.6 1017.6 DAY 22 24 22 12 3 5 23 25 25 25 21 5 MIN. QFE PRESSURE IN HPA 1003.6 1005.6 999.5 999.0 998.0 990.0 988.0 991.0 995.0 1001.8 1009.6 1008.4 988.0 DAY 12 8 1 21 29 30 12 13 1 1 18 21 MEAN QNH PRESSURE IN HPA 1020.2 1019.2 1017.1 1014.0 1010.7 1004.2 1000.0 1002.4 1007.4 1014.7 1019.2 1021.1 1012.5 MAX. QNH PRESSURE IN HPA 1025.2 1024.4 1023.6 1020.6 1015.7 1009.6 1005.3 1006.7 1011.7 1020.6 1021.6 1025.4 1025.4 DAY 22 24 22 12 3 5 23 25 25 25 21 5 MIN. QNH PRESSURE IN HPA 1011.3 1013.3 1007.2 1006.7 1005.7 997.6 995.6 998.6 1002.7 1009.5 1017.3 1016.1 995.6 DAY 12 8 1 21 29 30 12 13 1 1 18 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 1012.5 1011.1 1009.4 1005.8 1002.5 996.1 991.9 994.0 999.2 1006.3 1010.7 1012.6 1004.3 MAX. QFE PRESSURE IN HPA 1017.8 1016.0 1015.0 1012.0 1007.6 1001.9 996.4 998.0 1003.4 1012.0 1013.0 1017.0 1017.8 DAY 22 23 21 7 3 5 22 25 25 25 21 5 MIN. QFE PRESSURE IN HPA 1004.8 1005.0 999.8 998.8 997.8 989.0 988.0 990.4 994.0 1000.7 1008.8 1007.0 988.0 DAY 29 7 1 21 29 30 12 13 3 4 18 21 MEAN QNH PRESSURE IN HPA 1020.3 1018.8 1017.1 1013.6 1010.2 1003.8 999.5 1001.7 1006.8 1014.0 1018.4 1020.4 1012.0 MAX. QNH PRESSURE IN HPA 1025.6 1023.8 1022.8 1019.8 1015.3 1009.6 1004.1 1005.7 1011.1 1019.8 1020.8 1024.8 1025.6 DAY 22 23 21 7 3 5 22 25 25 25 21 5 MIN. QNH PRESSURE IN HPA 1012.5 1012.7 1007.5 1006.5 1005.5 996.6 995.6 998.0 1001.6 1008.4 1016.5 1014.7 995.6 DAY 29 7 1 21 29 30 12 13 3 4 18 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 1011.0 1009.2 1007.7 1004.3 1000.9 994.6 990.6 992.5 997.7 1004.8 1009.1 1011.2 1002.8 MAX. QFE PRESSURE IN HPA 1016.0 1014.4 1013.5 1010.0 1005.4 1000.0 995.0 996.8 1001.6 1010.6 1011.5 1015.5 1016.0 DAY 4 23 21 2 3 5 22 25 25 25 21 5 MIN. QFE PRESSURE IN HPA 1003.0 1002.6 998.7 998.0 996.5 987.6 986.6 989.0 993.0 1000.0 1006.8 1006.0 986.6 DAY 12 15 1 21 29 29 12 12 1 1 18 21 MEAN QNH PRESSURE IN HPA 1018.8 1017.0 1015.4 1012.0 1008.6 1002.2 998.2 1000.1 1005.4 1012.5 1016.8 1019.0 1010.5 MAX. QNH PRESSURE IN HPA 1023.8 1022.2 1021.3 1017.8 1013.1 1007.7 1002.7 1004.5 1009.3 1018.4 1019.3 1023.3 1023.8 DAY 4 23 21 2 3 5 22 25 25 25 21 5 MIN. QNH PRESSURE IN HPA 1010.7 1010.3 1006.4 1005.7 1004.2 995.2 994.2 996.6 1000.6 1007.7 1014.5 1013.7 994.2 DAY 12 15 1 21 29 29 12 12 1 1 18 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 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 1011.2 1009.1 1007.7 1003.8 1000.3 994.0 989.8 991.7 997.3 1004.7 1009.2 1011.3 1002.5 MAX. QFE PRESSURE IN HPA 1017.0 1014.6 1014.0 1010.0 1004.4 999.2 994.0 995.0 1001.6 1010.2 1012.0 1015.5 1017.0 DAY 14 23 21 6 2 5 22 25 27 25 21 6 MIN. QFE PRESSURE IN HPA 1003.8 1002.0 999.7 997.0 995.5 987.0 986.0 987.8 992.0 1000.0 1006.8 1007.0 986.0 DAY 12 7 1 22 29 30 2 13 3 1 18 21 MEAN QNH PRESSURE IN HPA 1018.9 1016.9 1015.5 1011.5 1008.0 1001.6 997.4 999.4 1005.0 1012.5 1016.9 1019.1 1010.2 MAX. QNH PRESSURE IN HPA 1024.8 1022.4 1021.8 1017.8 1012.1 1006.9 1001.6 1002.7 1009.3 1018.0 1019.8 1023.3 1024.8 DAY 14 23 21 6 2 5 22 25 27 25 21 6 MIN. QNH PRESSURE IN HPA 1011.5 1009.7 1007.4 1004.7 1003.2 994.6 993.6 995.4 999.6 1007.7 1014.5 1014.7 993.6 DAY 12 7 1 22 29 30 2 13 3 1 18 21 MEAN QFF PRESSURE IN HPA 1019.3 1017.2 1015.6 1011.4 1007.8 1001.3 997.0 999.0 1004.7 1012.4 1017.0 1019.3 1010.2 MAX. QFF PRESSURE IN HPA 1025.3 1022.6 1022.1 1017.9 1012.1 1006.5 1001.3 1002.3 1009.1 1017.9 1019.8 1023.5 1025.3 DAY 14 23 21 6 2 5 22 25 27 25 21 6 MIN. QFF PRESSURE IN HPA 1011.8 1009.8 1007.6 1004.6 1002.9 994.2 993.2 995.0 999.3 1007.5 1014.7 1014.9 993.2 DAY 29 7 1 22 29 30 2 13 3 2 18 21 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SHOSHTAR (99446) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 3 N LONGITUDE 48 50 E DATA PROCESSING CENTER ELEVATION 67.0 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 14.8 16.8 19.3 28.2 35.6 39.9 40.2 41.2 35.8 30.9 21.2 15.7 28.3 MINIMUN AIR TEMPERATURE (C) 11.0 12.0 13.2 20.1 25.1 29.7 31.0 32.3 26.0 22.8 14.7 10.4 20.7 DAYS WITH MINIMUM TEMP. >=21 0 0 0 13 29 30 31 31 29 24 3 0 190 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 6.2 5.8 8.4 14.6 20.4 25.0 28.6 29.0 20.8 17.4 3.4 5.4 3.4 DAY 22 22 18 9 11 22 1 9 24 22 30 3 MAXIMUM AIR TEMPERATURE (C) 18.3 20.9 23.7 32.9 41.5 45.7 46.0 47.0 42.2 36.5 26.2 20.4 33.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 25 31 30 31 31 30 31 2 0 212 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.6 24.8 34.4 39.4 48.0 48.2 48.4 50.0 48.8 40.0 33.4 25.0 50.0 DAY 4 25 31 26 31 1 3 12 3 1 7 9 DIF. BETWEEN (MAX.-MIN.) (C) 7.3 8.9 10.5 12.8 16.4 16.0 15.0 14.7 16.2 13.7 11.5 10.0 12.7 MEAN DAILY TEMP. (MDT) (C) 14.7 16.4 18.5 26.5 33.3 37.7 38.5 39.6 34.1 29.6 20.5 15.4 27.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 9.6 166.5 381.2 501.1 541.2 577.7 393.0 268.1 29.3 0.0 2867.7 HEATING DEG. DAYS(BASE 18 0C) 103.8 48.1 21.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14.7 82.6 270.2 DEWPOINT (MEAN C) 8.8 10.5 9.1 8.2 7.7 8.5 12.4 12.4 8.2 7.9 5.9 9.2 9.1 MIXING RATIO (G/KG) 7.28 8.03 7.41 6.98 6.81 7.11 9.39 9.56 7.38 6.92 6.06 7.40 7.53 VAPOUR PRESSURE (HPA) 11.69 12.86 11.84 11.14 10.79 11.21 14.68 14.97 11.65 11.01 9.71 11.88 11.95 SATURATION DEF. (HPA) 5.47 6.77 11.46 28.69 50.42 64.86 62.10 65.97 50.05 35.48 16.60 6.45 33.69 RELATIVE HUMIDITY (MEAN %) 72 68 56 31 20 16 21 20 21 25 39 68 38 RELATIVE HUMIDITY (MAX. %) 85 85 75 47 31 25 32 33 34 35 53 85 52 RELATIVE HUMIDITY (MIN. %) 59 51 40 21 13 11 14 13 12 18 27 52 28 RELATIVE HUMIDITY (MEAN% 03UTC) 80 81 74 46 31 24 31 32 33 34 51 82 50 RELATIVE HUMIDITY (MEAN% 09UTC) 70 62 49 25 15 13 17 17 19 22 34 63 34 RELATIVE HUMIDITY (MEAN% 15UTC) 71 66 49 26 16 13 16 14 16 24 37 63 34 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 144.6 55.9 112.1 2.5 0.0 0.0 0.0 0.0 0.0 0.0 1.7 24.0 340.8 DAYS WITH PRECIPITATION >=10 5 3 3 0 0 0 0 0 0 0 0 0 11 DAYS WITH PRECIPITATION >= 5 6 3 3 0 0 0 0 0 0 0 0 2 14 DAYS WITH PRECIPITATION >= 1 7 10 6 1 0 0 0 0 0 0 1 6 31 DAYS WITH PRECIPITATION 13 12 8 3 0 0 0 0 0 1 5 7 49 GREATEST DAILY PRECIPITATION 52.0 18.0 71.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 9.0 71.0 DAY 9 21 4 3 **