STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 7.9 4.6 9.1 14.5 20.2 23.3 26.4 26.2 22.8 15.2 12.1 9.2 16.0 MINIMUN AIR TEMPERATURE (C) 4.3 1.9 6.2 10.6 16.6 19.3 22.1 21.4 19.4 13.3 9.7 6.2 12.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 11 24 22 10 0 0 0 67 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 2 10 0 0 0 0 0 0 0 0 0 0 12 TEMPERATURE RECORDS LOWEST(C) -1.0 -3.0 2.0 6.0 13.0 16.0 17.0 18.0 15.0 8.0 6.0 2.0 -3.0 DAY 27 9 14 3 11 28 1 16 27 31 28 25 MAXIMUM AIR TEMPERATURE (C) ***** ***** ***** 17.7 23.3 26.4 ***** ***** ***** ***** ***** ***** ***** DAYS WITH MAXIMUM TEMP. >=30 **** **** **** 0 0 2 **** **** **** **** **** **** **** DAYS WITH MAXIMUM TEMP. <= 0 **** **** **** 0 0 0 **** **** **** **** **** **** **** TEMPERATURE RECORDS HIGHEST(C)***** ***** ***** 24.0 27.0 30.0 ***** ***** ***** ***** ***** ***** ***** DAY ** ** ** 26 24 24 ** ** ** ** ** ** DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** 7.1 6.7 7.1 ***** ***** ***** ***** ***** ***** ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** 14.1 20.0 22.8 ***** ***** ***** ***** ***** ***** ***** COOLING DEG. DAYS(BASE 21 0C) 0.0 ****** 0.0 0.0 9.5 65.0 0.0 0.0 0.0 0.0 0.0 0.0 ****** HEATING DEG. DAYS(BASE 18 0C) 0.0 ****** 0.0 116.0 2.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ****** DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 205.1 218.5 49.0 19.5 32.5 89.0 8.0 44.5 628.0 446.0 228.0 146.0 2114.1 DAYS WITH PRECIPITATION >=10 8 8 2 1 1 3 0 1 10 13 9 7 63 DAYS WITH PRECIPITATION >= 5 8 9 3 1 2 3 1 1 14 21 11 10 84 DAYS WITH PRECIPITATION >= 1 10 14 5 4 3 5 2 4 16 24 13 12 112 DAYS WITH PRECIPITATION 14 16 5 4 5 7 2 5 19 25 16 15 133 GREATEST DAILY PRECIPITATION 48.0 47.0 18.0 12.0 24.0 45.0 7.0 38.0 130.0 75.0 53.0 32.0 130.0 DAY 30 6 13 20 2 27 24 6 12 14 9 23 DAY WITH THUNDER STORM 0 0 0 1 1 3 0 1 7 1 0 0 14 DAYS WITH SNOW OR SLEET 0 3 0 0 0 0 0 0 0 0 0 0 3 DAYS WITH DUST 1 0 1 2 0 0 0 0 1 0 0 1 6 WIND DIRECTION (PREVAILING) 315 360 90 360 360 360 90 90 360 315 270 315 360 PREVAILING WIND SPEED(KNOTS) 10.0 8.1 5.0 4.7 5.3 7.0 5.5 5.3 7.5 13.3 3.4 7.0 6.6 PREVAILING WIND PERCENT 19.0 25.0 19.8 25.4 25.8 26.7 21.0 20.6 21.7 32.3 25.0 27.0 20.4 CALMS PERCENT OF WIND 0.4 0.0 0.8 1.7 0.0 0.0 1.6 0.8 0.4 0.4 0.0 0.0 0.5 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 312 329 43 29 48 353 43 43 356 316 334 313 347 VECTOR WIND MAGNITUDE(KNOTS) 2.5 4.0 1.1 1.7 2.9 2.5 1.9 1.6 3.5 7.2 2.0 2.6 2.3 WIND STEADINESES (MEAN %) 35.2 63.5 28.2 42.5 60.4 43.1 42.2 37.2 53.8 80.9 43.5 54.2 41.8 WIND SPEED (MEAN KNOTS) 7.1 6.3 3.9 4.0 4.8 5.8 4.5 4.3 6.5 8.9 4.6 4.8 5.5 FASTEST WIND DIRECTION 360 360 290 360 50 360 310 310 310 340 310 360 360 FASTEST WIND SPEED (KNOTS) 52 44 18 20 24 24 20 18 44 47 24 37 52 DAY 23 6 12 19 2 27 24 6 26 8 1 6 DAYS WITH SKY CLEAR (0-2)/8 8 4 6 15 12 14 25 19 10 0 2 8 123 DAYS WITH P.CLOUDY (3-6)/8 8 8 7 7 12 9 4 9 5 2 8 8 87 DAYS WITH CLOUDY (7-8)/8 15 16 16 8 7 7 2 3 15 29 20 15 153 DAYS WITH VISIBILITY =< 2 KM 7 9 10 5 2 2 1 2 11 21 11 6 87 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 7.2 8.9 8.8 11.7 17.2 21.9 25.4 26.5 23.5 20.9 12.6 9.7 16.2 MINIMUN AIR TEMPERATURE (C) 4.5 6.2 ***** 8.9 13.7 18.5 21.4 21.4 19.0 16.7 9.1 6.7 ***** DAYS WITH MINIMUM TEMP. >=21 0 0 **** 0 1 6 24 23 5 1 0 0 **** DAYS WITH MINIMUM TEMP. <=-4 0 0 **** 0 0 0 0 0 0 0 0 0 **** DAYS WITH FREEZING MIN.<= 0 0 0 **** 0 0 0 0 0 0 0 1 0 **** TEMPERATURE RECORDS LOWEST(C) 1.0 3.0 ***** 4.0 6.0 16.0 18.0 19.0 15.0 12.0 0.0 2.0 ***** DAY 1 13 ** 15 12 2 13 22 19 31 15 14 MAXIMUM AIR TEMPERATURE (C) ***** ***** ***** ***** 20.2 25.1 29.2 31.0 27.3 24.3 15.8 11.8 ***** DAYS WITH MAXIMUM TEMP. >=30 **** **** **** **** 1 0 16 24 4 0 1 0 **** DAYS WITH MAXIMUM TEMP. <= 0 **** **** **** **** 0 0 0 0 0 0 0 0 **** TEMPERATURE RECORDS HIGHEST(C)***** ***** ***** ***** 31.0 29.0 33.0 34.0 31.0 28.0 33.0 16.0 ***** DAY ** ** ** ** 20 28 25 24 4 2 4 5 DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** ***** 6.5 6.6 7.8 9.6 8.3 7.6 6.7 5.1 ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** ***** 17.0 21.8 25.3 26.2 23.1 20.5 12.5 9.3 ***** COOLING DEG. DAYS(BASE 21 0C) 0.0 ****** ****** 0.0 6.0 36.5 133.5 161.0 71.0 22.0 3.0 0.0 ****** HEATING DEG. DAYS(BASE 18 0C) 0.0 ****** ****** 0.0 61.0 0.0 0.0 0.0 0.5 8.0 176.5 270.0 ****** DEWPOINT (MEAN C) ***** ***** ***** ***** 15.9 18.0 20.4 21.0 19.3 17.5 10.0 8.0 ***** MIXING RATIO (G/KG) ****** ****** ****** ****** 11.37 13.06 15.21 15.77 14.07 12.60 7.98 6.66 ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** 18.20 20.84 24.15 25.03 22.52 20.24 12.93 10.87 ****** SATURATION DEF. (HPA) ****** ****** ****** ****** 4.84 5.81 8.75 9.99 6.90 4.86 2.65 1.33 ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** 80 79 75 73 78 82 85 89 *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** 92 90 88 87 91 93 94 95 *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** 66 67 61 59 65 68 72 80 *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** 89 89 86 83 88 92 89 92 *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** 71 72 65 63 69 71 77 84 *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** 79 76 70 70 74 80 85 89 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 109.5 76.6 201.0 190.5 55.7 187.5 56.0 68.0 162.0 107.0 569.5 104.6 1887.9 DAYS WITH PRECIPITATION >=10 6 2 6 4 2 1 3 2 4 3 11 4 48 DAYS WITH PRECIPITATION >= 5 6 4 7 10 4 2 5 2 5 5 12 5 67 DAYS WITH PRECIPITATION >= 1 9 7 12 15 10 5 5 3 7 6 14 8 101 DAYS WITH PRECIPITATION 11 11 13 17 14 6 6 5 8 8 15 12 126 GREATEST DAILY PRECIPITATION 22.0 41.0 46.0 53.0 20.0 173.0 21.0 51.0 53.0 43.0 136.0 34.0 173.0 DAY 10 13 8 13 11 21 10 15 26 29 17 11 DAY WITH THUNDER STORM 0 0 0 2 7 5 2 1 0 4 0 0 21 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 1 0 1 DAYS WITH DUST 0 1 1 0 1 0 0 1 0 0 0 0 4 WIND DIRECTION (PREVAILING) 315 315 90 90 90 90 90 45 360 360 360 270 90 PREVAILING WIND SPEED(KNOTS) 7.0 6.6 5.3 4.8 5.0 5.8 3.8 4.0 7.2 9.6 8.7 2.4 4.4 PREVAILING WIND PERCENT 34.3 24.6 21.0 22.9 24.6 31.3 30.2 29.0 19.2 28.6 21.7 29.0 17.8 CALMS PERCENT OF WIND 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 0.8 0.4 0.0 0.0 0.1 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 248 240 248 2928 VECTOR WIND DIRECTION (MEAN) 314 357 1 14 28 50 45 33 33 352 310 301 4 VECTOR WIND MAGNITUDE(KNOTS) 2.8 2.0 2.3 2.6 2.7 3.1 1.9 2.4 2.3 2.5 3.8 1.4 2.0 WIND STEADINESES (MEAN %) 57.1 40.0 38.3 45.6 54.0 60.8 43.2 53.3 43.4 51.0 58.5 43.7 40.0 WIND SPEED (MEAN KNOTS) 4.9 5.0 6.0 5.7 5.0 5.1 4.4 4.5 5.3 4.9 6.5 3.2 5.0 FASTEST WIND DIRECTION 310 250 290 310 310 90 290 360 50 360 270 310 360 FASTEST WIND SPEED (KNOTS) 20 29 44 25 30 16 21 24 44 58 46 18 58 DAY 9 4 4 23 20 2 13 14 17 30 18 8 DAYS WITH SKY CLEAR (0-2)/8 6 3 5 2 7 15 19 20 17 15 4 7 120 DAYS WITH P.CLOUDY (3-6)/8 10 12 11 4 13 10 4 7 7 8 10 7 103 DAYS WITH CLOUDY (7-8)/8 15 13 14 24 11 5 8 4 6 8 16 17 141 DAYS WITH VISIBILITY =< 2 KM 10 7 17 14 9 1 3 3 4 7 13 8 96 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 1014.5 1014.6 1012.4 1012.6 1018.5 1020.5 1024.9 1026.3 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 1033.9 1028.0 1020.3 1022.5 1030.5 1031.1 1043.1 1042.9 ****** DAY-HOUR **-** **-** **-** **-** 16-12 2- 6 14- 3 15- 9 18- 6 30- 9 16- 6 11- 6 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 1004.0 1004.2 1004.7 1002.3 1008.0 1008.6 1006.6 1016.7 ****** DAY-HOUR **-** **-** **-** **-** 18-12 25-15 26-15 8- 0 24-21 6- 3 4-12 27- 9 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1011.1 1011.1 1008.9 1009.2 1015.0 1017.0 1021.5 1022.8 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1030.4 1024.5 1016.8 1019.0 1027.0 1027.6 1039.6 1039.4 ****** DAY-HOUR **-** **-** **-** **-** 16-12 2- 6 14- 3 15- 9 18- 6 30- 9 16- 6 11- 6 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1000.6 1000.8 1001.3 998.9 1004.6 1005.2 1003.2 1013.2 ****** DAY-HOUR **-** **-** **-** **-** 18-12 25-15 26-15 8- 0 24-21 6- 3 4-12 27- 9 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1011.0 1011.5 1009.4 1009.5 1015.5 1017.4 1021.7 1023.1 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1024.0 1024.9 1017.2 1018.7 1027.4 1027.9 1039.7 1039.6 ****** DAY-HOUR **-** **-** **-** **-** 21- 6 2- 6 14- 3 25-21 18- 6 30- 9 16- 6 11- 6 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1001.0 1001.2 1001.7 999.3 1005.0 1005.6 1003.6 1013.5 ****** DAY-HOUR **-** **-** **-** **-** 18-12 25-15 27- 3 8- 0 25- 0 6- 3 4-12 27- 9 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 1013.7 1014.9 1012.4 1012.2 1018.4 1020.5 1025.0 1026.3 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 1024.3 1027.3 1019.9 1021.6 1027.9 1028.2 1041.8 1037.6 ****** DAY ** ** ** ** 22 2 14 26 18 30 17 12 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 1005.8 1006.0 1004.7 1002.3 1008.0 1009.2 1007.7 1017.8 ****** DAY ** ** ** ** 18 26 27 8 25 6 4 27 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1010.2 1011.4 1008.9 1008.8 1015.0 1017.0 1021.5 1022.9 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1020.8 1023.8 1016.4 1018.1 1024.4 1024.7 1038.3 1034.1 ****** DAY ** ** ** ** 22 2 14 26 18 30 17 12 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1002.4 1002.6 1001.3 998.9 1004.6 1005.8 1004.3 1014.3 ****** DAY ** ** ** ** 18 26 27 8 25 6 4 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1010.6 1011.8 1009.3 1009.2 1015.4 1017.4 1021.8 1023.1 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1021.2 1024.2 1016.8 1018.5 1024.8 1025.0 1038.5 1034.3 ****** DAY ** ** ** ** 22 2 14 26 18 30 17 12 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1002.7 1003.0 1001.7 999.3 1005.0 1006.2 1004.6 1014.6 ****** DAY ** ** ** ** 18 26 27 8 25 6 4 27 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 1014.1 1014.7 1012.6 1012.9 1018.6 1020.6 1024.9 1026.5 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 1025.8 1027.8 1020.3 1021.1 1028.6 1028.8 1040.9 1040.6 ****** DAY ** ** ** ** 21 3 14 26 18 30 17 7 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 1004.9 1005.7 1004.7 1008.9 1009.2 1008.6 1007.2 1016.8 ****** DAY ** ** ** ** 18 25 27 8 25 6 4 27 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1010.6 1011.3 1009.1 1009.5 1015.2 1017.1 1021.4 1023.1 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1022.3 1024.3 1016.8 1017.6 1025.1 1025.3 1037.4 1037.1 ****** DAY ** ** ** ** 21 3 14 26 18 30 17 7 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1001.5 1002.3 1001.3 1005.5 1005.8 1005.2 1003.8 1013.3 ****** DAY ** ** ** ** 18 25 27 8 25 6 4 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1011.0 1011.7 1009.5 1009.9 1015.6 1017.5 1021.7 1023.3 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1022.7 1024.7 1017.2 1018.0 1025.5 1025.6 1037.6 1037.4 ****** DAY ** ** ** ** 21 3 14 26 18 30 17 7 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1001.8 1002.7 1001.7 1005.9 1006.2 1005.6 1004.1 1013.6 ****** DAY ** ** ** ** 18 25 27 8 25 6 4 27 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 1015.0 1015.2 1013.1 1014.0 1019.6 1021.5 1025.9 1027.3 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 1027.2 1028.0 1020.1 1021.7 1030.5 1031.0 1043.1 1042.9 ****** DAY ** ** ** ** 21 2 14 26 18 30 16 11 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 1004.8 1006.2 1005.3 1008.7 1010.3 1012.5 1009.1 1017.6 ****** DAY ** ** ** ** 18 25 27 24 15 14 4 27 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1011.5 1011.8 1009.7 1010.5 1016.1 1018.0 1022.4 1023.8 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1023.7 1024.5 1016.6 1018.2 1027.0 1027.5 1039.6 1039.4 ****** DAY ** ** ** ** 21 2 14 26 18 30 16 11 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1001.4 1002.8 1001.9 1005.3 1006.9 1009.1 1005.7 1014.1 ****** DAY ** ** ** ** 18 25 27 24 15 14 4 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1011.9 1012.2 1010.1 1010.7 1016.5 1018.4 1022.7 1024.0 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1024.0 1024.9 1017.0 1018.6 1027.4 1027.8 1039.7 1039.6 ****** DAY ** ** ** ** 21 2 14 26 18 30 16 11 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1001.7 1003.2 1002.3 1005.7 1007.3 1009.5 1006.0 1014.4 ****** DAY ** ** ** ** 18 25 27 24 15 14 4 27 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 1015.7 1015.0 1012.9 1013.4 1018.8 1020.9 1025.1 1026.5 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 1033.7 1027.2 1019.8 1022.5 1029.2 1031.1 1043.0 1042.5 ****** DAY ** ** ** ** 16 3 14 15 18 30 16 11 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 1004.7 1006.1 1005.2 1006.8 1008.9 1011.6 1007.5 1016.7 ****** DAY ** ** ** ** 18 25 27 24 15 14 4 27 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1012.2 1011.6 1009.5 1009.9 1015.4 1017.4 1021.6 1023.0 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1030.2 1023.7 1016.3 1019.0 1025.7 1027.6 1039.5 1039.0 ****** DAY ** ** ** ** 16 3 14 15 18 30 16 11 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1001.3 1002.7 1001.8 1003.4 1005.5 1008.2 1004.1 1013.2 ****** DAY ** ** ** ** 18 25 27 24 15 14 4 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1011.4 1012.0 1009.9 1010.1 1015.8 1017.8 1021.9 1023.2 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1023.6 1024.1 1016.7 1017.4 1026.1 1027.9 1039.6 1039.2 ****** DAY ** ** ** ** 21 3 14 26 18 30 16 11 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1001.7 1003.1 1002.3 1003.8 1005.9 1008.6 1004.5 1013.5 ****** DAY ** ** ** ** 18 25 27 24 15 14 4 27 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 1014.8 1014.1 1012.2 1012.3 1017.9 1020.0 1024.3 1025.6 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 1033.9 1025.9 1018.9 1021.0 1027.4 1030.3 1041.0 1040.7 ****** DAY ** ** ** ** 16 2 13 15 18 30 14 11 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 1004.0 1005.0 1004.8 1005.2 1009.5 1011.1 1006.6 1016.8 ****** DAY ** ** ** ** 18 25 26 24 15 14 4 27 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1011.3 1010.7 1008.7 1008.9 1014.4 1016.5 1020.8 1022.1 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1030.4 1022.4 1015.4 1017.5 1023.9 1026.8 1037.5 1037.2 ****** DAY ** ** ** ** 16 2 13 15 18 30 14 11 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1000.6 1001.6 1001.4 1001.8 1006.1 1007.7 1003.2 1013.3 ****** DAY ** ** ** ** 18 25 26 24 15 14 4 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1010.4 1011.1 1009.1 1009.0 1014.9 1016.9 1021.1 1022.4 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1022.2 1022.8 1015.8 1017.1 1024.3 1027.1 1037.7 1037.4 ****** DAY ** ** ** ** 21 2 13 25 18 30 14 11 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1001.0 1002.0 1001.8 1002.2 1006.5 1008.0 1003.6 1013.6 ****** DAY ** ** ** ** 18 25 26 24 15 28 4 27 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 1014.8 1013.7 1011.7 1011.9 1017.9 1019.9 1024.5 1025.9 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 1033.9 1026.6 1020.0 1020.8 1026.7 1029.4 1041.6 1040.4 ****** DAY ** ** ** ** 16 1 13 15 18 30 14 11 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 1005.4 1004.2 1004.7 1003.5 1008.5 1011.0 1007.5 1018.1 ****** DAY ** ** ** ** 18 25 26 24 24 5 4 10 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1011.4 1010.3 1008.2 1008.5 1014.5 1016.5 1021.0 1022.5 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1030.4 1023.1 1016.5 1017.3 1023.2 1025.9 1038.1 1036.9 ****** DAY ** ** ** ** 16 1 13 15 18 30 14 11 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1002.0 1000.8 1001.3 1000.1 1005.1 1007.6 1004.1 1014.6 ****** DAY ** ** ** ** 18 25 26 24 24 5 4 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1010.5 1010.7 1008.7 1008.6 1014.9 1016.8 1021.3 1022.7 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1022.4 1023.5 1016.9 1017.2 1023.6 1026.2 1038.3 1037.1 ****** DAY ** ** ** ** 21 1 13 25 18 30 14 11 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1002.3 1001.2 1001.7 1000.5 1005.5 1008.0 1004.5 1014.9 ****** DAY ** ** ** ** 18 25 26 24 24 5 4 10 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 1014.2 1014.3 1012.1 1012.1 1018.4 1020.2 1024.9 1026.2 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 1026.5 1027.7 1019.9 1021.7 1027.1 1028.0 1042.0 1039.9 ****** DAY ** ** ** ** 21 1 13 25 18 30 15 11 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 1007.5 1005.0 1004.8 1004.6 1008.2 1010.5 1008.5 1018.8 ****** DAY ** ** ** ** 18 25 26 24 24 5 3 27 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1010.8 1010.9 1008.7 1008.7 1014.9 1016.7 1021.4 1022.7 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1023.0 1024.2 1016.4 1018.2 1023.6 1024.5 1038.5 1036.4 ****** DAY ** ** ** ** 21 1 13 25 18 30 15 11 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1004.1 1001.6 1001.4 1001.2 1004.8 1007.1 1005.1 1015.3 ****** DAY ** ** ** ** 18 25 26 24 24 5 3 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1011.4 1011.3 1009.1 1009.1 1015.3 1017.1 1021.7 1022.9 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1023.3 1024.6 1016.8 1018.6 1024.0 1024.8 1038.7 1036.6 ****** DAY ** ** ** ** 21 1 13 25 18 30 16 11 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1004.4 1002.0 1001.8 1001.7 1005.2 1007.5 1005.4 1015.6 ****** DAY ** ** ** ** 18 25 26 24 24 5 3 27 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 1014.0 1014.6 1012.3 1012.3 1018.4 1020.4 1025.1 1026.3 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 1025.0 1027.3 1019.7 1021.8 1027.4 1027.9 1042.6 1038.7 ****** DAY ** ** ** ** 21 1 13 25 18 2 16 11 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 1007.4 1005.3 1004.8 1006.5 1008.0 1009.7 1008.3 1019.3 ****** DAY ** ** ** ** 18 27 26 24 24 5 3 9 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1010.6 1011.1 1008.9 1008.9 1015.0 1016.9 1021.7 1022.8 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1021.5 1023.8 1016.2 1018.3 1023.9 1024.4 1039.1 1035.2 ****** DAY ** ** ** ** 21 1 13 25 18 2 16 11 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1004.0 1001.9 1001.4 1003.1 1004.6 1006.3 1004.9 1015.8 ****** DAY ** ** ** ** 18 27 26 24 24 5 3 9 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1011.0 1011.5 1009.3 1009.3 1015.4 1017.3 1021.9 1023.1 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1021.8 1024.2 1016.6 1018.7 1024.3 1024.8 1039.3 1035.4 ****** DAY ** ** ** ** 21 1 13 25 18 2 16 11 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1004.4 1002.3 1001.8 1003.6 1005.0 1006.7 1005.2 1016.1 ****** DAY ** ** ** ** 18 27 26 24 24 5 3 9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.8 10.1 8.9 13.0 18.4 24.4 25.5 26.4 22.0 17.6 10.6 5.6 16.0 MINIMUN AIR TEMPERATURE (C) 5.3 6.5 5.6 10.5 14.8 20.0 21.7 21.5 18.3 14.6 8.2 2.5 12.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 17 20 22 5 0 0 0 64 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 4 4 TEMPERATURE RECORDS LOWEST(C) 2.0 1.0 2.0 7.0 10.0 14.0 18.0 18.0 14.0 8.0 2.0 -1.0 -1.0 DAY 2 3 9 1 4 9 1 1 26 26 27 22 MAXIMUM AIR TEMPERATURE (C) 11.6 13.8 11.9 15.9 22.0 28.4 29.1 30.4 25.6 20.5 13.1 8.7 19.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 1 13 16 24 6 0 0 0 60 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 26.0 28.0 22.0 30.0 33.0 33.0 33.0 32.0 26.0 25.0 15.0 33.0 DAY 30 17 12 30 7 15 18 28 2 7 17 7 DIF. BETWEEN (MAX.-MIN.) (C) 6.3 7.3 6.3 5.4 7.2 8.4 7.4 8.9 7.3 5.9 4.9 6.2 6.8 MEAN DAILY TEMP. (MDT) (C) 8.4 10.1 8.8 13.2 18.4 24.2 25.4 25.9 21.9 17.5 10.6 5.6 15.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 4.5 99.0 137.5 152.5 45.5 1.5 0.0 0.0 440.5 HEATING DEG. DAYS(BASE 18 0C) 296.5 220.5 286.0 144.0 26.0 0.0 0.0 0.0 0.5 51.0 221.0 384.0 1629.5 DEWPOINT (MEAN C) 6.3 6.6 6.0 10.2 14.6 18.8 20.1 21.5 19.1 14.9 8.3 3.5 12.5 MIXING RATIO (G/KG) 5.95 6.11 5.81 7.77 10.50 13.76 14.90 16.28 13.97 10.67 6.89 4.81 9.78 VAPOUR PRESSURE (HPA) 9.67 9.89 9.44 12.59 16.86 21.91 23.69 25.83 22.34 17.25 11.23 7.89 15.72 SATURATION DEF. (HPA) 1.83 2.72 2.29 2.61 4.64 9.17 9.41 9.06 4.63 3.35 1.91 1.30 4.41 RELATIVE HUMIDITY (MEAN %) 86 82 84 84 80 72 74 76 84 85 87 87 82 RELATIVE HUMIDITY (MAX. %) 94 94 94 93 92 88 90 89 94 95 94 94 93 RELATIVE HUMIDITY (MIN. %) 75 64 70 72 66 56 57 61 72 71 78 76 68 RELATIVE HUMIDITY (MEAN% 03UTC) 90 89 90 89 87 85 81 86 91 91 89 91 88 RELATIVE HUMIDITY (MEAN% 09UTC) 80 73 76 74 70 60 62 64 75 77 82 80 73 RELATIVE HUMIDITY (MEAN% 15UTC) 84 80 81 83 77 66 67 72 81 83 88 87 79 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 57.5 50.5 298.1 31.1 32.0 0.0 100.0 23.0 432.5 345.0 542.1 309.0 2220.8 DAYS WITH PRECIPITATION >=10 2 1 11 0 1 0 4 1 9 9 16 10 64 DAYS WITH PRECIPITATION >= 5 5 3 16 3 1 0 5 2 11 12 18 14 90 DAYS WITH PRECIPITATION >= 1 9 5 18 8 6 0 9 4 12 16 21 19 127 DAYS WITH PRECIPITATION 13 5 22 13 7 0 11 5 13 16 24 19 148 GREATEST DAILY PRECIPITATION 11.0 31.0 82.0 8.0 20.0 0.0 35.0 15.0 92.0 61.0 84.0 61.0 92.0 DAY 8 12 24 26 27 ** 2 1 4 26 5 21 DAY WITH THUNDER STORM 0 0 0 2 7 3 2 1 4 1 1 0 21 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH DUST 0 0 0 0 1 0 0 0 0 0 0 0 1 WIND DIRECTION (PREVAILING) 315 315 360 360 360 45 45 45 360 360 315 225 360 PREVAILING WIND SPEED(KNOTS) 5.1 5.9 8.5 4.0 4.6 3.9 3.3 3.3 7.5 6.9 8.6 2.9 6.6 PREVAILING WIND PERCENT 24.6 19.6 38.7 26.3 29.0 28.8 26.2 34.7 36.7 33.9 34.2 20.6 24.5 CALMS PERCENT OF WIND 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 1.2 0.2 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 306 332 325 7 19 6 328 4 346 340 309 301 330 VECTOR WIND MAGNITUDE(KNOTS) 1.9 1.9 4.3 1.2 1.6 1.4 1.4 1.3 3.3 3.0 5.4 3.9 2.3 WIND STEADINESES (MEAN %) 50.0 38.8 64.2 35.3 36.4 35.9 36.8 36.1 63.5 65.2 70.1 67.2 47.9 WIND SPEED (MEAN KNOTS) 3.8 4.9 6.7 3.4 4.4 3.9 3.8 3.6 5.2 4.6 7.7 5.8 4.8 FASTEST WIND DIRECTION 250 30 230 200 360 340 340 340 360 360 310 340 230 FASTEST WIND SPEED (KNOTS) 18 34 44 20 30 18 18 13 25 40 33 44 44 DAY 8 15 12 16 27 30 1 13 10 25 1 8 DAYS WITH SKY CLEAR (0-2)/8 7 5 4 3 4 22 12 20 7 3 2 5 94 DAYS WITH P.CLOUDY (3-6)/8 12 12 9 9 16 7 10 6 9 9 5 6 110 DAYS WITH CLOUDY (7-8)/8 12 11 18 18 11 1 9 5 14 19 23 20 161 DAYS WITH VISIBILITY =< 2 KM 12 6 11 3 6 2 2 1 13 13 18 12 99 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1021.1 1016.9 1021.3 1021.0 1016.2 1013.3 1013.3 1013.2 1018.6 1024.3 1026.4 1029.2 1019.6 MAX. QFE PRESSURE IN HPA 1035.3 1029.1 1036.4 1032.5 1024.2 1024.4 1024.1 1021.0 1032.2 1043.7 1040.6 1041.1 1043.7 DAY-HOUR 28- 6 15-18 27-15 1- 6 4-18 10-21 20- 6 31- 6 30-21 26- 6 28- 3 9- 6 MIN. QFE PRESSURE IN HPA 1005.2 1001.5 996.5 1006.7 997.3 998.6 1004.5 1005.0 1004.9 1012.7 1010.7 1013.2 996.5 DAY-HOUR 11-12 10-15 12-15 20- 9 7-15 29-18 6-21 26-15 9-15 7- 3 23- 3 1- 0 MEAN QNH PRESSURE IN HPA 1017.6 1013.4 1017.8 1017.5 1012.8 1009.8 1009.8 1009.8 1015.2 1020.8 1022.9 1025.7 1016.1 MAX. QNH PRESSURE IN HPA 1031.8 1025.6 1032.9 1029.0 1020.7 1020.9 1020.6 1017.5 1028.7 1040.2 1037.1 1037.6 1040.2 DAY-HOUR 28- 6 15-18 27-15 1- 6 4-18 10-21 20- 6 31- 6 30-21 26- 6 28- 3 9- 6 MIN. QNH PRESSURE IN HPA 1001.8 998.1 993.1 1003.3 993.9 995.2 1001.1 1001.6 1001.5 1009.3 1007.3 1009.8 993.1 DAY-HOUR 11-12 10-15 12-15 20- 9 7-15 29-18 6-21 26-15 9-15 7- 3 23- 3 1- 0 MEAN QFF PRESSURE IN HPA 1017.8 1013.7 1018.1 1017.8 1013.1 1010.2 1010.3 1010.2 1015.6 1021.1 1023.2 1025.9 1016.4 MAX. QFF PRESSURE IN HPA 1032.0 1025.8 1033.1 1029.2 1021.0 1021.3 1021.1 1018.0 1029.1 1040.4 1037.3 1037.8 1040.4 DAY-HOUR 28- 6 15-18 27-15 1- 6 4-18 10-21 20- 6 31- 6 30-21 26- 6 28- 3 9- 6 MIN. QFF PRESSURE IN HPA 1002.0 998.4 993.4 1003.6 994.3 995.7 1001.5 1002.0 1001.9 1009.6 1007.5 1010.0 993.4 DAY-HOUR 11-12 10-15 12-15 20- 9 7-15 29-18 6-21 26-15 9-15 7- 3 23- 3 1- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1021.0 1017.1 1020.7 1021.5 1016.3 1013.3 1013.2 1013.2 1018.5 1024.3 1026.2 1029.0 1019.5 MAX. QFE PRESSURE IN HPA 1032.4 1028.2 1034.1 1032.2 1023.4 1023.3 1022.7 1018.8 1028.2 1039.6 1040.2 1039.4 1040.2 DAY 18 16 18 1 5 11 20 31 21 26 28 10 MIN. QFE PRESSURE IN HPA 1008.1 1006.2 999.5 1009.2 1007.3 1000.7 1005.8 1006.8 1009.2 1012.9 1012.0 1013.2 999.5 DAY 31 11 13 20 8 30 15 27 8 7 20 1 MEAN QNH PRESSURE IN HPA 1017.6 1013.6 1017.2 1018.1 1012.9 1009.9 1009.8 1009.7 1015.0 1020.9 1022.7 1025.5 1016.1 MAX. QNH PRESSURE IN HPA 1028.9 1024.7 1030.6 1028.7 1019.9 1019.8 1019.2 1015.3 1024.7 1036.1 1036.7 1035.9 1036.7 DAY 18 16 18 1 5 11 20 31 21 26 28 10 MIN. QNH PRESSURE IN HPA 1004.7 1002.8 996.1 1005.8 1003.9 997.3 1002.4 1003.4 1005.8 1009.5 1008.6 1009.8 996.1 DAY 31 11 13 20 8 30 15 27 8 7 20 1 MEAN QFF PRESSURE IN HPA 1017.8 1013.9 1017.5 1018.4 1013.2 1010.3 1010.2 1010.2 1015.4 1021.2 1023.0 1025.7 1016.4 MAX. QFF PRESSURE IN HPA 1029.1 1025.0 1030.8 1028.9 1020.2 1020.2 1019.7 1015.8 1025.1 1036.4 1036.9 1036.1 1036.9 DAY 18 16 18 1 5 11 20 31 21 26 28 11 MIN. QFF PRESSURE IN HPA 1005.0 1003.1 996.5 1006.1 1004.2 997.8 1002.8 1003.8 1006.2 1009.8 1008.8 1010.0 996.5 DAY 31 11 13 20 8 30 15 27 8 7 20 1 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1020.7 1017.3 1021.2 1021.4 1016.5 1013.6 1013.3 1013.6 1018.5 1024.4 1026.2 1029.5 1019.7 MAX. QFE PRESSURE IN HPA 1031.9 1027.5 1035.2 1031.6 1022.8 1023.0 1023.1 1019.2 1028.0 1042.1 1040.6 1039.5 1042.1 DAY 18 16 18 1 23 11 20 31 21 26 28 9 MIN. QFE PRESSURE IN HPA 1007.6 1006.5 1000.3 1008.4 1005.9 1002.1 1006.2 1008.5 1009.1 1012.7 1010.7 1017.1 1000.3 DAY 30 10 13 20 7 30 15 27 8 7 23 25 MEAN QNH PRESSURE IN HPA 1017.2 1013.9 1017.8 1018.0 1013.1 1010.2 1009.9 1010.1 1015.0 1020.9 1022.7 1026.0 1016.2 MAX. QNH PRESSURE IN HPA 1028.4 1024.0 1031.7 1028.1 1019.3 1019.5 1019.6 1015.7 1024.5 1038.6 1037.1 1036.0 1038.6 DAY 18 16 18 1 23 11 20 31 21 26 28 9 MIN. QNH PRESSURE IN HPA 1004.2 1003.1 996.9 1005.0 1002.5 998.7 1002.8 1005.1 1005.7 1009.3 1007.3 1013.6 996.9 DAY 30 10 13 20 7 30 15 27 8 7 23 25 MEAN QFF PRESSURE IN HPA 1017.5 1014.1 1018.0 1018.2 1013.4 1010.6 1010.3 1010.6 1015.4 1021.3 1022.9 1026.2 1016.5 MAX. QFF PRESSURE IN HPA 1028.6 1024.2 1031.9 1028.3 1019.7 1019.9 1020.1 1016.2 1024.9 1038.8 1037.3 1036.2 1038.8 DAY 18 16 18 1 23 11 20 31 21 26 28 9 MIN. QFF PRESSURE IN HPA 1004.4 1003.3 997.2 1005.3 1002.8 999.1 1003.2 1005.5 1006.1 1009.6 1007.5 1013.8 997.2 DAY 30 10 13 20 7 30 15 27 8 7 23 25 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1022.0 1018.0 1022.0 1021.8 1017.2 1014.0 1014.2 1014.3 1019.7 1025.3 1027.3 1030.5 1020.5 MAX. QFE PRESSURE IN HPA 1035.3 1028.4 1036.2 1032.5 1023.4 1023.4 1024.1 1021.0 1028.4 1043.7 1040.6 1041.1 1043.7 DAY 28 15 18 1 23 5 20 31 20 26 28 9 MIN. QFE PRESSURE IN HPA 1007.8 1006.6 1002.5 1008.4 1005.4 1004.4 1007.7 1008.7 1010.6 1013.5 1012.3 1017.4 1002.5 DAY 30 10 12 20 7 29 15 26 2 7 23 25 MEAN QNH PRESSURE IN HPA 1018.6 1014.6 1018.5 1018.3 1013.7 1010.5 1010.7 1010.8 1016.2 1021.8 1023.8 1027.0 1017.1 MAX. QNH PRESSURE IN HPA 1031.8 1024.9 1032.7 1029.0 1019.9 1019.9 1020.6 1017.5 1024.9 1040.2 1037.1 1037.6 1040.2 DAY 28 15 18 1 23 5 20 31 20 26 28 9 MIN. QNH PRESSURE IN HPA 1004.4 1003.2 999.1 1005.0 1002.0 1001.0 1004.3 1005.3 1007.2 1010.1 1008.9 1013.9 999.1 DAY 30 10 12 20 7 29 15 26 2 7 23 25 MEAN QFF PRESSURE IN HPA 1018.8 1014.8 1018.8 1018.6 1014.1 1011.0 1011.2 1011.3 1016.6 1022.1 1024.1 1027.2 1017.4 MAX. QFF PRESSURE IN HPA 1032.0 1025.1 1032.9 1029.2 1020.3 1020.3 1021.1 1018.0 1025.3 1040.4 1037.3 1037.8 1040.4 DAY 28 15 18 1 23 5 20 31 20 26 28 9 MIN. QFF PRESSURE IN HPA 1004.6 1003.4 999.4 1005.3 1002.3 1001.4 1004.7 1005.7 1007.6 1010.4 1009.1 1014.1 999.4 DAY 30 10 12 20 7 29 15 26 2 7 23 25 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1021.3 1017.3 1021.8 1021.1 1016.6 1013.8 1013.7 1013.9 1019.1 1024.6 1026.5 1029.5 1019.9 MAX. QFE PRESSURE IN HPA 1035.1 1028.6 1036.3 1031.8 1023.0 1023.3 1022.6 1020.6 1027.8 1042.8 1039.9 1040.8 1042.8 DAY 28 15 18 1 4 5 20 31 20 26 28 9 MIN. QFE PRESSURE IN HPA 1006.0 1004.7 1000.2 1006.7 1002.6 1003.6 1007.7 1007.5 1009.0 1013.8 1011.9 1017.1 1000.2 DAY 11 10 12 20 7 29 7 26 9 7 23 25 MEAN QNH PRESSURE IN HPA 1017.8 1013.9 1018.4 1017.7 1013.1 1010.4 1010.3 1010.4 1015.6 1021.1 1023.0 1026.0 1016.5 MAX. QNH PRESSURE IN HPA 1031.6 1025.1 1032.8 1028.3 1019.5 1019.8 1019.1 1017.1 1024.3 1039.3 1036.4 1037.3 1039.3 DAY 28 15 18 1 4 5 20 31 20 26 28 9 MIN. QNH PRESSURE IN HPA 1002.6 1001.3 996.8 1003.3 999.2 1000.2 1004.3 1004.1 1005.6 1010.4 1008.5 1013.6 996.8 DAY 11 10 12 20 7 29 7 26 9 7 23 25 MEAN QFF PRESSURE IN HPA 1018.0 1014.2 1018.6 1018.0 1013.5 1010.8 1010.7 1010.9 1016.0 1021.5 1023.3 1026.2 1016.8 MAX. QFF PRESSURE IN HPA 1031.8 1025.4 1033.0 1028.5 1019.9 1020.2 1019.6 1017.6 1024.7 1039.5 1036.6 1037.5 1039.5 DAY 28 15 18 1 23 5 20 31 20 26 28 9 MIN. QFF PRESSURE IN HPA 1002.8 1001.5 997.2 1003.6 999.6 1000.6 1004.7 1004.5 1006.0 1010.8 1008.8 1013.9 997.2 DAY 11 10 12 20 7 29 7 26 9 7 23 25 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1020.5 1015.9 1020.9 1020.2 1015.7 1013.2 1013.0 1012.9 1018.1 1023.5 1025.9 1028.6 1019.0 MAX. QFE PRESSURE IN HPA 1033.5 1027.7 1035.6 1031.6 1022.8 1022.6 1021.0 1019.0 1027.7 1041.1 1039.3 1040.4 1041.1 DAY 28 15 18 1 4 10 19 31 20 26 28 9 MIN. QFE PRESSURE IN HPA 1005.2 1001.9 997.2 1007.1 1000.3 1002.3 1007.0 1006.5 1006.0 1013.0 1011.0 1016.5 997.2 DAY 11 19 12 20 7 29 7 26 9 3 19 25 MEAN QNH PRESSURE IN HPA 1017.1 1012.5 1017.5 1016.8 1012.3 1009.7 1009.6 1009.5 1014.6 1020.0 1022.4 1025.1 1015.6 MAX. QNH PRESSURE IN HPA 1030.0 1024.2 1032.1 1028.1 1019.3 1019.1 1017.5 1015.5 1024.2 1037.6 1035.8 1036.9 1037.6 DAY 28 15 18 1 4 10 19 31 20 26 28 9 MIN. QNH PRESSURE IN HPA 1001.8 998.5 993.8 1003.7 996.9 998.9 1003.6 1003.1 1002.6 1009.6 1007.6 1013.0 993.8 DAY 11 19 12 20 7 29 7 26 9 3 19 25 MEAN QFF PRESSURE IN HPA 1017.3 1012.7 1017.7 1017.1 1012.6 1010.2 1010.0 1009.9 1015.0 1020.3 1022.7 1025.3 1015.9 MAX. QFF PRESSURE IN HPA 1030.2 1024.5 1032.3 1028.3 1019.6 1019.5 1018.0 1016.0 1024.6 1037.8 1036.0 1037.1 1037.8 DAY 28 15 18 1 4 10 19 31 20 26 28 9 MIN. QFF PRESSURE IN HPA 1002.0 998.8 994.2 1004.0 997.2 999.3 1004.0 1003.5 1003.0 1009.9 1007.9 1013.3 994.2 DAY 11 19 12 20 7 29 7 26 9 3 19 25 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1020.9 1016.1 1021.1 1020.3 1015.4 1012.6 1012.6 1012.4 1017.9 1023.9 1026.5 1029.2 1019.1 MAX. QFE PRESSURE IN HPA 1032.1 1028.7 1036.4 1031.8 1023.1 1022.8 1021.3 1018.4 1028.0 1040.6 1039.9 1040.6 1040.6 DAY 28 15 27 1 4 10 19 31 20 26 28 9 MIN. QFE PRESSURE IN HPA 1006.2 1001.5 996.5 1007.1 997.3 1002.3 1006.4 1005.0 1004.9 1013.0 1011.1 1018.7 996.5 DAY 11 10 12 20 7 29 7 26 9 3 19 25 MEAN QNH PRESSURE IN HPA 1017.4 1012.6 1017.7 1016.8 1011.9 1009.2 1009.2 1008.9 1014.5 1020.4 1023.1 1025.7 1015.6 MAX. QNH PRESSURE IN HPA 1028.6 1025.2 1032.9 1028.3 1019.6 1019.3 1017.8 1014.9 1024.5 1037.1 1036.4 1037.1 1037.1 DAY 28 15 27 1 4 10 19 31 20 26 28 9 MIN. QNH PRESSURE IN HPA 1002.8 998.1 993.1 1003.7 993.9 998.9 1003.0 1001.6 1001.5 1009.6 1007.7 1015.2 993.1 DAY 11 10 12 20 7 29 7 26 9 3 19 25 MEAN QFF PRESSURE IN HPA 1017.7 1012.9 1017.9 1017.1 1012.3 1009.6 1009.6 1009.4 1014.9 1020.8 1023.3 1025.9 1015.9 MAX. QFF PRESSURE IN HPA 1028.8 1025.4 1033.1 1028.5 1019.9 1019.7 1018.3 1015.4 1024.9 1037.3 1036.6 1037.2 1037.3 DAY 28 15 27 1 4 10 19 31 20 26 28 9 MIN. QFF PRESSURE IN HPA 1003.0 998.4 993.4 1004.0 994.3 999.3 1003.4 1002.0 1001.9 1009.9 1008.0 1015.5 993.4 DAY 11 10 12 20 7 29 7 26 9 6 19 25 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1021.2 1016.8 1021.2 1020.8 1016.0 1012.8 1013.0 1012.7 1018.7 1024.2 1026.4 1029.0 1019.4 MAX. QFE PRESSURE IN HPA 1031.7 1029.1 1036.1 1031.6 1024.2 1023.8 1021.8 1018.4 1030.7 1040.5 1039.5 1040.3 1040.5 DAY 18 15 27 1 4 10 19 31 30 26 27 9 MIN. QFE PRESSURE IN HPA 1007.5 1003.6 997.3 1009.1 1002.6 998.6 1006.6 1005.4 1005.6 1013.1 1011.4 1016.4 997.3 DAY 30 10 12 20 7 29 14 26 9 3 19 31 MEAN QNH PRESSURE IN HPA 1017.8 1013.3 1017.7 1017.3 1012.6 1009.4 1009.6 1009.3 1015.2 1020.7 1022.9 1025.5 1015.9 MAX. QNH PRESSURE IN HPA 1028.2 1025.6 1032.6 1028.1 1020.7 1020.3 1018.3 1014.9 1027.2 1037.0 1036.0 1036.8 1037.0 DAY 18 15 27 1 4 10 19 31 30 26 27 9 MIN. QNH PRESSURE IN HPA 1004.1 1000.2 993.9 1005.7 999.2 995.2 1003.2 1002.0 1002.2 1009.7 1008.0 1012.9 993.9 DAY 30 10 12 20 7 29 14 26 9 3 19 31 MEAN QFF PRESSURE IN HPA 1018.0 1013.6 1018.0 1017.6 1012.9 1009.8 1010.0 1009.7 1015.6 1021.0 1023.2 1025.7 1016.3 MAX. QFF PRESSURE IN HPA 1028.4 1025.8 1032.8 1028.3 1021.0 1020.7 1018.8 1015.4 1027.6 1037.2 1036.2 1036.9 1037.2 DAY 18 15 27 1 4 10 19 31 30 26 27 9 MIN. QFF PRESSURE IN HPA 1004.4 1000.5 994.3 1006.0 999.5 995.7 1003.6 1002.4 1002.6 1010.0 1008.3 1013.2 994.3 DAY 30 10 12 20 7 29 14 26 9 3 19 31 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1021.1 1016.7 1021.4 1021.1 1016.3 1012.9 1013.1 1012.9 1018.8 1024.2 1026.4 1028.9 1019.5 MAX. QFE PRESSURE IN HPA 1031.4 1028.7 1035.9 1032.1 1023.8 1024.4 1022.2 1019.2 1032.2 1039.6 1039.8 1038.2 1039.8 DAY 17 15 27 4 4 10 19 31 30 26 27 8 MIN. QFE PRESSURE IN HPA 1008.2 1004.5 998.2 1009.8 1005.4 999.8 1004.5 1006.1 1008.7 1013.0 1011.6 1014.1 998.2 DAY 30 10 12 19 7 29 6 26 9 6 19 31 MEAN QNH PRESSURE IN HPA 1017.6 1013.3 1018.0 1017.6 1012.9 1009.5 1009.7 1009.4 1015.3 1020.7 1022.9 1025.4 1016.0 MAX. QNH PRESSURE IN HPA 1027.9 1025.2 1032.4 1028.6 1020.3 1020.9 1018.7 1015.7 1028.7 1036.1 1036.3 1034.7 1036.3 DAY 17 15 27 4 4 10 19 31 30 26 27 8 MIN. QNH PRESSURE IN HPA 1004.8 1001.1 994.8 1006.4 1002.0 996.4 1001.1 1002.7 1005.3 1009.6 1008.2 1010.7 994.8 DAY 30 10 12 19 7 29 6 26 9 6 19 31 MEAN QFF PRESSURE IN HPA 1017.9 1013.5 1018.2 1017.9 1013.2 1009.9 1010.1 1009.9 1015.7 1021.1 1023.2 1025.6 1016.3 MAX. QFF PRESSURE IN HPA 1028.1 1025.5 1032.6 1028.9 1020.6 1021.3 1019.2 1016.2 1029.1 1036.3 1036.5 1034.9 1036.5 DAY 17 15 27 4 4 10 19 31 30 26 27 8 MIN. QFF PRESSURE IN HPA 1005.1 1001.4 995.2 1006.7 1002.4 996.9 1001.5 1003.1 1005.7 1010.0 1008.5 1010.9 995.2 DAY 30 10 12 19 7 29 6 26 9 6 19 31 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 5.8 3.1 6.0 10.2 19.0 24.5 27.6 27.2 23.3 19.7 ***** ***** ***** MINIMUN AIR TEMPERATURE (C) 2.0 1.1 3.6 7.8 15.7 19.9 22.7 22.6 19.6 15.3 ***** ***** ***** DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 15 25 27 11 0 **** **** **** DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 **** **** **** DAYS WITH FREEZING MIN.<= 0 6 10 1 1 0 0 0 0 0 0 **** **** **** TEMPERATURE RECORDS LOWEST(C) -2.0 -1.0 0.0 -1.0 11.0 17.0 20.0 20.0 16.0 14.0 ***** ***** ***** DAY 18 6 2 3 1 10 3 15 17 1 ** ** MAXIMUM AIR TEMPERATURE (C) 9.2 5.3 8.4 13.1 23.0 28.5 31.7 31.0 26.9 23.8 ***** ***** ***** DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 0 11 27 26 6 0 **** **** **** DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 **** **** **** TEMPERATURE RECORDS HIGHEST(C) 22.0 24.0 14.0 23.0 28.0 32.0 34.0 34.0 33.0 26.0 ***** ***** ***** DAY 12 4 29 23 13 29 17 9 1 1 ** ** DIF. BETWEEN (MAX.-MIN.) (C) 7.2 4.2 4.8 5.3 7.3 8.6 9.0 8.4 7.3 8.5 ***** ***** ***** MEAN DAILY TEMP. (MDT) (C) 5.6 3.2 6.0 10.4 19.4 24.2 27.2 26.8 23.2 19.6 ***** ***** ***** COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 12.0 96.5 193.0 180.0 69.0 1.5 ****** ****** ****** HEATING DEG. DAYS(BASE 18 0C) 385.0 413.5 372.0 227.0 19.0 0.0 0.0 0.0 0.0 1.0 ****** ****** ****** DEWPOINT (MEAN C) 2.6 1.6 4.2 8.2 15.5 18.4 21.5 22.5 19.6 16.6 ***** ***** ***** MIXING RATIO (G/KG) 4.60 4.23 5.09 6.82 11.08 13.32 16.39 17.25 14.36 11.77 ****** ****** ****** VAPOUR PRESSURE (HPA) 7.47 6.91 8.32 11.05 17.77 21.26 25.95 27.32 22.95 18.97 ****** ****** ****** SATURATION DEF. (HPA) 1.96 0.84 1.10 1.66 4.53 9.87 11.50 9.12 6.14 4.26 ****** ****** ****** RELATIVE HUMIDITY (MEAN %) 83 91 89 88 81 70 71 77 80 83 *** *** *** RELATIVE HUMIDITY (MAX. %) 93 96 95 95 94 87 86 90 93 95 *** *** *** RELATIVE HUMIDITY (MIN. %) 71 81 80 77 66 54 55 62 67 67 *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) 87 91 91 94 90 82 81 88 88 93 *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) 82 88 84 79 70 58 61 67 70 71 *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) 82 92 88 87 78 62 65 73 77 80 *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 69.0 179.1 95.1 137.8 69.0 9.0 27.6 191.0 195.6 84.5 ****** ****** ****** DAYS WITH PRECIPITATION >=10 3 9 4 5 1 0 1 3 7 2 **** **** **** DAYS WITH PRECIPITATION >= 5 4 12 8 8 2 1 2 3 9 4 **** **** **** DAYS WITH PRECIPITATION >= 1 10 17 13 12 5 3 4 3 10 7 **** **** **** DAYS WITH PRECIPITATION 12 19 14 17 6 4 9 4 14 10 **** **** **** GREATEST DAILY PRECIPITATION 25.0 27.0 18.0 45.0 59.0 7.0 15.0 117.0 42.0 52.0 ****** ****** ****** DAY 7 27 27 9 18 2 24 14 29 9 ** ** DAY WITH THUNDER STORM 0 0 1 1 2 4 7 2 2 3 **** **** **** DAYS WITH SNOW OR SLEET 0 9 0 1 0 0 0 0 0 0 **** **** **** DAYS WITH DUST 0 0 1 0 0 0 0 0 0 0 **** **** **** WIND DIRECTION (PREVAILING) 270 315 315 315 360 360 180 90 180 180 *** *** *** PREVAILING WIND SPEED(KNOTS) 4.6 5.7 3.3 4.0 3.8 4.6 1.9 5.4 2.1 1.8 **** **** **** PREVAILING WIND PERCENT 23.4 59.8 37.9 37.9 27.0 21.7 19.0 23.0 19.2 29.4 ***** ***** ***** CALMS PERCENT OF WIND 1.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 ***** ***** ***** NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 **** **** 2432 VECTOR WIND DIRECTION (MEAN) 283 302 348 9 43 16 28 36 329 38 *** *** *** VECTOR WIND MAGNITUDE(KNOTS) 2.9 4.2 1.6 2.2 2.5 1.9 1.5 1.3 1.8 0.7 **** **** **** WIND STEADINESES (MEAN %) 59.2 82.4 53.3 59.5 61.0 50.0 35.7 31.7 41.9 24.1 ***** ***** ***** WIND SPEED (MEAN KNOTS) 4.9 5.1 3.0 3.7 4.1 3.8 4.2 4.1 4.3 2.9 **** **** **** FASTEST WIND DIRECTION 20 230 310 330 310 330 310 20 310 360 *** *** *** FASTEST WIND SPEED (KNOTS) 24 18 9 18 18 16 40 24 24 24 *** *** *** DAY 21 4 14 23 17 5 23 14 4 4 ** ** DAYS WITH SKY CLEAR (0-2)/8 4 1 1 0 11 18 13 20 10 13 **** **** **** DAYS WITH P.CLOUDY (3-6)/8 12 3 7 8 15 11 13 6 6 11 **** **** **** DAYS WITH CLOUDY (7-8)/8 15 24 23 22 5 1 5 5 14 7 **** **** **** DAYS WITH VISIBILITY =< 2 KM 15 20 10 9 12 1 1 3 7 5 **** **** **** DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1018.9 1024.1 1026.4 1020.1 1016.3 1014.5 1011.0 1012.7 1017.6 1021.1 ****** ****** ****** MAX. QFE PRESSURE IN HPA 1034.5 1042.0 1041.2 1031.6 1032.9 1022.0 1016.2 1020.4 1027.0 1032.5 ****** ****** ****** DAY-HOUR 17- 6 22- 6 1-21 30- 9 1- 6 2-21 11- 6 15- 6 30- 6 11- 6 **-** **-** MIN. QFE PRESSURE IN HPA 1004.5 1007.4 1012.5 1004.9 1004.1 1010.0 1003.0 1005.0 1010.1 1008.1 ****** ****** ****** DAY-HOUR 11-12 4- 3 18-12 23-15 13- 3 27-15 16-15 10-15 27- 0 2-21 **-** **-** MEAN QNH PRESSURE IN HPA 1015.5 1020.6 1022.9 1016.7 1012.8 1011.0 1007.5 1009.3 1014.2 1017.7 ****** ****** ****** MAX. QNH PRESSURE IN HPA 1031.0 1038.5 1037.7 1028.1 1029.4 1018.5 1012.7 1016.9 1023.5 1029.0 ****** ****** ****** DAY-HOUR 17- 6 22- 6 1-21 30- 9 1- 6 2-21 11- 6 15- 6 30- 6 11- 6 **-** **-** MIN. QNH PRESSURE IN HPA 1001.1 1004.0 1009.1 1001.5 1000.7 1006.6 999.6 1001.6 1006.7 1004.7 ****** ****** ****** DAY-HOUR 11-12 4- 3 18-12 23-15 13- 3 27-15 16-15 10-15 27- 0 2-21 **-** **-** MEAN QFF PRESSURE IN HPA 1015.7 1020.8 1023.1 1016.9 1013.2 1011.4 1008.0 1009.7 1014.6 1018.0 ****** ****** ****** MAX. QFF PRESSURE IN HPA 1031.2 1038.6 1037.9 1028.4 1029.7 1018.9 1013.2 1017.3 1023.9 1029.4 ****** ****** ****** DAY-HOUR 17- 6 22- 6 1-21 30- 9 1- 6 2-21 11- 6 15- 6 30- 6 11- 6 **-** **-** MIN. QFF PRESSURE IN HPA 1001.3 1004.2 1009.3 1001.8 1001.1 1007.0 1000.1 1002.0 1007.1 1005.1 ****** ****** ****** DAY-HOUR 11-12 4- 3 18-12 23-15 13- 3 27-15 16-15 10-15 27- 0 2-21 **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1019.1 1024.0 1026.8 1020.1 1016.7 1014.8 1011.1 1013.0 1017.6 1021.2 ****** ****** ****** MAX. QFE PRESSURE IN HPA 1034.2 1040.5 1040.8 1030.1 1031.1 1021.7 1015.6 1019.6 1026.4 1031.7 ****** ****** ****** DAY 17 22 2 3 1 3 24 15 30 12 ** ** MIN. QFE PRESSURE IN HPA 1006.7 1008.9 1015.6 1012.3 1004.7 1011.2 1004.3 1007.1 1010.1 1009.7 ****** ****** ****** DAY 12 4 18 17 13 8 9 10 27 3 ** ** MEAN QNH PRESSURE IN HPA 1015.6 1020.6 1023.3 1016.6 1013.2 1011.4 1007.7 1009.5 1014.2 1017.8 ****** ****** ****** MAX. QNH PRESSURE IN HPA 1030.7 1037.0 1037.3 1026.6 1027.6 1018.2 1012.2 1016.1 1022.9 1028.2 ****** ****** ****** DAY 17 22 2 3 1 3 24 15 30 12 ** ** MIN. QNH PRESSURE IN HPA 1003.3 1005.5 1012.2 1008.9 1001.3 1007.8 1000.9 1003.7 1006.7 1006.3 ****** ****** ****** DAY 12 4 18 17 13 8 9 10 27 3 ** ** MEAN QFF PRESSURE IN HPA 1015.8 1020.7 1023.5 1016.9 1013.6 1011.8 1008.1 1010.0 1014.6 1018.1 ****** ****** ****** MAX. QFF PRESSURE IN HPA 1030.9 1037.1 1037.5 1026.8 1027.9 1018.6 1012.6 1016.5 1023.3 1028.6 ****** ****** ****** DAY 17 22 2 3 1 3 24 15 30 12 ** ** MIN. QFF PRESSURE IN HPA 1003.5 1005.7 1012.4 1009.1 1001.7 1008.2 1001.3 1004.1 1007.1 1006.6 ****** ****** ****** DAY 12 4 18 17 13 8 9 10 27 3 ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1019.1 1024.0 1026.4 1019.8 1016.6 1014.6 1011.3 1013.1 1017.8 1021.2 ****** ****** ****** MAX. QFE PRESSURE IN HPA 1033.9 1041.2 1040.3 1029.2 1031.5 1021.0 1015.2 1019.0 1026.2 1030.9 ****** ****** ****** DAY 17 22 2 3 1 3 24 15 30 12 ** ** MIN. QFE PRESSURE IN HPA 1007.7 1007.4 1013.1 1011.7 1004.1 1011.5 1004.7 1007.3 1011.3 1011.7 ****** ****** ****** DAY 12 4 18 23 13 27 22 10 27 3 ** ** MEAN QNH PRESSURE IN HPA 1015.6 1020.5 1022.9 1016.3 1013.2 1011.2 1007.8 1009.7 1014.3 1017.7 ****** ****** ****** MAX. QNH PRESSURE IN HPA 1030.4 1037.7 1036.8 1025.7 1028.0 1017.5 1011.8 1015.5 1022.7 1027.4 ****** ****** ****** DAY 17 22 2 3 1 3 24 15 30 12 ** ** MIN. QNH PRESSURE IN HPA 1004.3 1004.0 1009.7 1008.3 1000.7 1008.1 1001.3 1003.9 1007.9 1008.3 ****** ****** ****** DAY 12 4 18 23 13 27 22 10 27 3 ** ** MEAN QFF PRESSURE IN HPA 1015.8 1020.7 1023.1 1016.6 1013.5 1011.6 1008.3 1010.1 1014.7 1018.1 ****** ****** ****** MAX. QFF PRESSURE IN HPA 1030.6 1037.8 1036.9 1025.9 1028.3 1017.9 1012.2 1015.9 1023.1 1027.8 ****** ****** ****** DAY 17 22 2 3 1 3 24 15 30 12 ** ** MIN. QFF PRESSURE IN HPA 1004.5 1004.2 1009.9 1008.5 1001.1 1008.5 1001.8 1004.3 1008.3 1008.7 ****** ****** ****** DAY 12 4 18 23 13 27 22 10 27 3 ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1019.8 1024.8 1027.3 1020.8 1017.1 1015.0 1011.7 1013.7 1018.6 1022.3 ****** ****** ****** MAX. QFE PRESSURE IN HPA 1034.5 1042.0 1041.2 1031.4 1032.9 1020.6 1016.2 1020.4 1027.0 1032.5 ****** ****** ****** DAY 17 22 2 30 1 2 11 15 30 11 ** ** MIN. QFE PRESSURE IN HPA 1008.2 1009.3 1014.6 1011.2 1004.8 1011.7 1005.2 1007.9 1012.4 1014.9 ****** ****** ****** DAY 12 4 18 23 13 8 22 10 27 2 ** ** MEAN QNH PRESSURE IN HPA 1016.4 1021.3 1023.8 1017.4 1013.6 1011.5 1008.2 1010.3 1015.1 1018.8 ****** ****** ****** MAX. QNH PRESSURE IN HPA 1031.0 1038.5 1037.7 1027.9 1029.4 1017.1 1012.7 1016.9 1023.5 1029.0 ****** ****** ****** DAY 17 22 2 30 1 2 11 15 30 11 ** ** MIN. QNH PRESSURE IN HPA 1004.8 1005.9 1011.2 1007.8 1001.4 1008.3 1001.8 1004.5 1009.0 1011.5 ****** ****** ****** DAY 12 4 18 23 13 8 22 10 27 2 ** ** MEAN QFF PRESSURE IN HPA 1016.5 1021.5 1024.0 1017.6 1014.0 1012.0 1008.7 1010.7 1015.6 1019.2 ****** ****** ****** MAX. QFF PRESSURE IN HPA 1031.2 1038.6 1037.9 1028.2 1029.7 1017.5 1013.2 1017.3 1023.9 1029.4 ****** ****** ****** DAY 17 22 2 30 1 2 11 15 30 11 ** ** MIN. QFF PRESSURE IN HPA 1005.0 1006.1 1011.4 1008.0 1001.8 1008.7 1002.3 1004.9 1009.4 1011.8 ****** ****** ****** DAY 12 4 18 23 13 8 22 10 27 2 ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1018.8 1024.3 1026.8 1020.3 1016.6 1014.8 1011.3 1013.3 1018.0 1021.5 ****** ****** ****** MAX. QFE PRESSURE IN HPA 1033.3 1041.4 1040.4 1031.6 1031.7 1020.9 1016.0 1020.2 1026.2 1032.2 ****** ****** ****** DAY 15 22 2 30 1 3 11 15 30 11 ** ** MIN. QFE PRESSURE IN HPA 1006.0 1009.1 1013.6 1008.4 1004.5 1011.4 1004.3 1007.0 1011.7 1013.0 ****** ****** ****** DAY 12 4 18 23 13 8 22 10 27 2 ** ** MEAN QNH PRESSURE IN HPA 1015.3 1020.8 1023.3 1016.8 1013.1 1011.4 1007.8 1009.8 1014.5 1018.0 ****** ****** ****** MAX. QNH PRESSURE IN HPA 1029.8 1037.9 1036.9 1028.1 1028.2 1017.4 1012.5 1016.7 1022.7 1028.7 ****** ****** ****** DAY 15 22 2 30 1 3 11 15 30 11 ** ** MIN. QNH PRESSURE IN HPA 1002.6 1005.7 1010.2 1005.0 1001.1 1008.0 1000.9 1003.6 1008.3 1009.6 ****** ****** ****** DAY 12 4 18 23 13 8 22 10 27 2 ** ** MEAN QFF PRESSURE IN HPA 1015.5 1021.0 1023.5 1017.1 1013.5 1011.8 1008.3 1010.3 1014.9 1018.4 ****** ****** ****** MAX. QFF PRESSURE IN HPA 1030.0 1038.0 1037.1 1028.4 1028.5 1017.8 1013.0 1017.1 1023.1 1029.1 ****** ****** ****** DAY 15 22 2 30 1 3 11 15 30 11 ** ** MIN. QFF PRESSURE IN HPA 1002.9 1006.0 1010.4 1005.3 1001.5 1008.4 1001.4 1004.1 1008.7 1009.9 ****** ****** ****** DAY 12 4 18 23 13 8 22 10 27 2 ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1017.9 1023.3 1025.6 1019.5 1015.8 1014.1 1010.5 1012.2 1017.0 1020.4 ****** ****** ****** MAX. QFE PRESSURE IN HPA 1033.1 1039.4 1038.9 1030.5 1029.4 1020.0 1015.2 1019.1 1024.9 1031.4 ****** ****** ****** DAY 16 22 2 30 1 2 11 15 30 11 ** ** MIN. QFE PRESSURE IN HPA 1004.5 1008.5 1012.5 1005.8 1005.1 1010.7 1003.3 1005.3 1010.4 1011.0 ****** ****** ****** DAY 11 4 18 23 13 27 16 10 27 2 ** ** MEAN QNH PRESSURE IN HPA 1014.4 1019.8 1022.2 1016.1 1012.4 1010.6 1007.0 1008.8 1013.5 1017.0 ****** ****** ****** MAX. QNH PRESSURE IN HPA 1029.6 1035.9 1035.4 1027.0 1025.9 1016.5 1011.8 1015.6 1021.4 1027.9 ****** ****** ****** DAY 16 22 2 30 1 2 11 15 30 11 ** ** MIN. QNH PRESSURE IN HPA 1001.1 1005.1 1009.1 1002.4 1001.7 1007.3 999.9 1001.9 1007.0 1007.6 ****** ****** ****** DAY 11 4 18 23 13 27 16 10 27 2 ** ** MEAN QFF PRESSURE IN HPA 1014.6 1020.0 1022.4 1016.3 1012.7 1011.1 1007.5 1009.2 1013.9 1017.3 ****** ****** ****** MAX. QFF PRESSURE IN HPA 1029.8 1036.0 1035.6 1027.3 1026.2 1016.9 1012.2 1016.0 1021.8 1028.3 ****** ****** ****** DAY 16 22 2 30 1 2 11 15 30 11 ** ** MIN. QFF PRESSURE IN HPA 1001.3 1005.4 1009.3 1002.7 1002.1 1007.7 1000.4 1002.4 1007.4 1007.9 ****** ****** ****** DAY 11 4 18 23 13 27 16 10 27 2 ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1018.7 1023.9 1025.7 1019.7 1015.8 1013.6 1010.1 1011.7 1017.0 1020.6 ****** ****** ****** MAX. QFE PRESSURE IN HPA 1034.0 1039.0 1038.3 1030.7 1028.7 1020.0 1015.0 1018.4 1024.7 1031.3 ****** ****** ****** DAY 16 21 2 30 1 2 24 15 21 11 ** ** MIN. QFE PRESSURE IN HPA 1005.7 1010.7 1013.1 1004.9 1006.3 1010.0 1003.0 1005.0 1010.9 1008.9 ****** ****** ****** DAY 11 19 31 23 13 27 16 10 26 2 ** ** MEAN QNH PRESSURE IN HPA 1015.2 1020.4 1022.3 1016.3 1012.3 1010.1 1006.7 1008.3 1013.5 1017.2 ****** ****** ****** MAX. QNH PRESSURE IN HPA 1030.5 1035.5 1034.8 1027.2 1025.2 1016.5 1011.6 1014.9 1021.2 1027.8 ****** ****** ****** DAY 16 21 2 30 1 2 24 15 21 11 ** ** MIN. QNH PRESSURE IN HPA 1002.3 1007.3 1009.7 1001.5 1002.9 1006.6 999.6 1001.6 1007.5 1005.5 ****** ****** ****** DAY 11 19 31 23 13 27 16 10 26 2 ** ** MEAN QFF PRESSURE IN HPA 1015.4 1020.6 1022.5 1016.5 1012.7 1010.6 1007.1 1008.7 1013.9 1017.5 ****** ****** ****** MAX. QFF PRESSURE IN HPA 1030.7 1035.6 1035.0 1027.5 1025.5 1016.9 1012.0 1015.3 1021.6 1028.2 ****** ****** ****** DAY 16 21 2 30 1 2 24 15 21 11 ** ** MIN. QFF PRESSURE IN HPA 1002.5 1007.5 1009.9 1001.8 1003.3 1007.0 1000.1 1002.0 1007.9 1005.8 ****** ****** ****** DAY 11 19 31 23 13 27 16 10 26 2 ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1019.0 1024.4 1026.2 1020.2 1015.9 1014.2 1010.7 1012.2 1017.4 1020.8 ****** ****** ****** MAX. QFE PRESSURE IN HPA 1034.2 1039.5 1040.5 1031.4 1028.4 1021.0 1015.2 1018.7 1025.4 1031.6 ****** ****** ****** DAY 16 21 1 30 1 2 24 15 21 11 ** ** MIN. QFE PRESSURE IN HPA 1006.3 1011.5 1014.8 1008.0 1006.3 1011.1 1005.2 1006.0 1010.9 1008.5 ****** ****** ****** DAY 11 3 24 23 12 27 16 23 26 2 ** ** MEAN QNH PRESSURE IN HPA 1015.6 1020.9 1022.7 1016.8 1012.5 1010.7 1007.2 1008.7 1014.0 1017.4 ****** ****** ****** MAX. QNH PRESSURE IN HPA 1030.7 1036.0 1037.0 1027.9 1024.9 1017.5 1011.8 1015.2 1021.9 1028.1 ****** ****** ****** DAY 16 21 1 30 1 2 24 15 21 11 ** ** MIN. QNH PRESSURE IN HPA 1002.9 1008.1 1011.4 1004.6 1002.9 1007.7 1001.8 1002.6 1007.5 1005.1 ****** ****** ****** DAY 11 3 24 23 12 27 16 23 26 2 ** ** MEAN QFF PRESSURE IN HPA 1015.8 1021.0 1022.9 1017.0 1012.8 1011.2 1007.7 1009.2 1014.4 1017.7 ****** ****** ****** MAX. QFF PRESSURE IN HPA 1030.9 1036.1 1037.1 1028.2 1025.2 1017.9 1012.2 1015.6 1022.3 1028.5 ****** ****** ****** DAY 16 21 1 30 1 2 24 15 21 11 ** ** MIN. QFF PRESSURE IN HPA 1003.1 1008.3 1011.6 1004.9 1003.3 1008.1 1002.3 1003.0 1007.9 1005.5 ****** ****** ****** DAY 11 3 24 23 12 27 16 23 26 2 ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1019.3 1024.4 1026.5 1020.6 1016.0 1014.7 1011.2 1012.8 1017.8 1021.1 ****** ****** ****** MAX. QFE PRESSURE IN HPA 1034.2 1039.9 1041.2 1031.2 1027.3 1022.0 1015.4 1019.6 1026.1 1032.0 ****** ****** ****** DAY 16 21 1 30 1 2 24 14 29 11 ** ** MIN. QFE PRESSURE IN HPA 1007.1 1010.3 1015.6 1011.7 1005.7 1010.9 1006.3 1006.9 1010.8 1008.1 ****** ****** ****** DAY 11 3 24 23 12 7 21 23 26 2 ** ** MEAN QNH PRESSURE IN HPA 1015.8 1021.0 1023.0 1017.2 1012.6 1011.3 1007.8 1009.3 1014.4 1017.6 ****** ****** ****** MAX. QNH PRESSURE IN HPA 1030.7 1036.4 1037.7 1027.7 1023.8 1018.5 1012.0 1016.1 1022.6 1028.5 ****** ****** ****** DAY 16 21 1 30 1 2 24 14 29 11 ** ** MIN. QNH PRESSURE IN HPA 1003.7 1006.9 1012.2 1008.3 1002.3 1007.5 1002.9 1003.5 1007.4 1004.7 ****** ****** ****** DAY 11 3 24 23 12 7 21 23 26 2 ** ** MEAN QFF PRESSURE IN HPA 1016.0 1021.1 1023.2 1017.4 1012.9 1011.7 1008.3 1009.8 1014.8 1018.0 ****** ****** ****** MAX. QFF PRESSURE IN HPA 1030.9 1036.5 1037.9 1028.0 1024.1 1018.9 1012.4 1016.5 1023.0 1028.9 ****** ****** ****** DAY 16 21 1 30 1 2 24 14 29 11 ** ** MIN. QFF PRESSURE IN HPA 1003.9 1007.1 1012.4 1008.6 1002.7 1007.9 1003.4 1003.9 1007.8 1005.1 ****** ****** ****** DAY 11 3 24 23 12 7 21 23 26 2 ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.1 10.7 9.4 12.7 19.1 22.8 26.5 25.5 22.6 19.4 14.2 9.9 16.7 MINIMUN AIR TEMPERATURE (C) 5.5 7.0 6.6 9.9 14.5 19.1 21.7 21.6 19.9 15.5 10.9 6.5 13.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 10 26 19 17 0 0 0 72 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 1.0 2.0 3.0 4.0 6.0 13.0 19.0 17.0 15.0 10.0 7.0 2.0 1.0 DAY 29 2 5 12 27 23 17 17 30 12 26 6 MAXIMUM AIR TEMPERATURE (C) 10.5 15.4 12.2 15.6 22.6 26.6 30.6 29.3 26.5 23.5 17.8 13.6 20.3 DAYS WITH MAXIMUM TEMP. >=30 0 2 0 0 0 2 26 16 3 0 0 0 49 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 16.0 31.0 28.0 24.0 27.0 31.0 33.0 35.0 30.0 27.0 24.0 24.0 35.0 DAY 13 27 29 21 18 11 22 5 21 7 3 9 DIF. BETWEEN (MAX.-MIN.) (C) 5.0 8.4 5.6 5.7 8.1 7.5 8.9 7.7 6.6 8.0 6.9 7.1 7.1 MEAN DAILY TEMP. (MDT) (C) 8.0 11.2 9.4 12.8 18.6 22.8 26.2 25.4 23.2 19.5 14.3 10.1 16.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 11.0 66.5 160.0 141.5 78.0 5.5 0.0 0.0 462.5 HEATING DEG. DAYS(BASE 18 0C) 310.0 194.5 267.0 157.0 30.5 1.0 0.0 0.0 0.0 5.0 113.0 245.0 1323.0 DEWPOINT (MEAN C) 6.2 6.7 7.1 9.6 15.4 18.4 20.8 21.2 19.5 16.2 12.0 7.2 13.4 MIXING RATIO (G/KG) 5.83 6.12 6.26 7.52 11.02 13.43 15.58 15.99 14.28 11.56 8.77 6.35 10.22 VAPOUR PRESSURE (HPA) 9.52 9.93 10.16 12.17 17.71 21.43 24.66 25.32 22.83 18.62 14.19 10.30 16.40 SATURATION DEF. (HPA) 1.35 3.41 1.76 2.68 4.78 6.88 10.30 8.07 5.02 4.18 2.30 2.12 4.40 RELATIVE HUMIDITY (MEAN %) 88 80 86 83 81 78 72 78 84 83 88 85 82 RELATIVE HUMIDITY (MAX. %) 94 93 95 94 94 93 89 92 94 95 96 94 94 RELATIVE HUMIDITY (MIN. %) 79 61 74 65 64 62 56 64 70 67 76 70 67 RELATIVE HUMIDITY (MEAN% 03UTC) 91 85 92 90 89 89 86 88 91 92 92 89 90 RELATIVE HUMIDITY (MEAN% 09UTC) 83 70 80 72 69 66 59 67 75 72 80 79 73 RELATIVE HUMIDITY (MEAN% 15UTC) 88 80 85 82 79 73 65 75 79 78 86 85 80 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 106.4 18.4 133.7 31.0 54.0 73.2 1.2 184.2 209.3 103.0 313.1 120.2 1347.7 DAYS WITH PRECIPITATION >=10 4 1 5 2 1 4 0 5 8 2 8 5 45 DAYS WITH PRECIPITATION >= 5 8 1 9 2 4 6 0 7 11 2 9 8 67 DAYS WITH PRECIPITATION >= 1 12 3 12 4 8 8 1 9 12 3 11 15 98 DAYS WITH PRECIPITATION 14 4 18 6 11 8 2 9 14 4 14 16 120 GREATEST DAILY PRECIPITATION 23.0 16.0 28.0 13.0 27.0 21.0 1.0 62.0 38.0 70.0 92.0 23.0 92.0 DAY 1 23 13 8 22 22 29 16 29 10 11 2 DAY WITH THUNDER STORM 0 1 0 0 3 4 0 1 0 4 3 0 16 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 3 0 0 0 0 0 0 0 0 0 1 5 WIND DIRECTION (PREVAILING) 360 45 360 360 45 45 360 45 360 180 270 270 360 PREVAILING WIND SPEED(KNOTS) 4.7 4.1 3.7 4.3 3.3 3.4 4.9 4.7 8.9 1.3 2.0 3.8 5.1 PREVAILING WIND PERCENT 34.7 23.7 33.9 29.6 35.3 37.9 25.0 21.8 22.1 30.2 22.1 24.2 20.7 CALMS PERCENT OF WIND 0.0 0.4 0.4 0.0 0.0 0.0 0.0 1.2 0.4 1.2 1.3 1.6 0.6 NO. OF WIND OBSERVATION 248 224 242 240 238 240 248 248 240 248 240 248 2904 VECTOR WIND DIRECTION (MEAN) 334 41 16 34 42 29 33 355 336 7 333 304 2 VECTOR WIND MAGNITUDE(KNOTS) 1.9 0.9 1.7 2.3 1.9 1.7 1.8 2.2 2.5 0.5 2.5 2.0 1.5 WIND STEADINESES (MEAN %) 55.9 28.1 54.8 62.2 61.3 50.0 51.4 48.9 53.2 20.8 50.0 51.3 41.7 WIND SPEED (MEAN KNOTS) 3.4 3.2 3.1 3.7 3.1 3.4 3.5 4.5 4.7 2.4 5.0 3.9 3.6 FASTEST WIND DIRECTION 340 130 340 70 70 90 360 330 310 340 360 340 360 FASTEST WIND SPEED (KNOTS) 24 24 12 21 16 18 21 38 36 21 46 38 46 DAY 16 23 4 13 9 5 29 16 28 10 8 14 DAYS WITH SKY CLEAR (0-2)/8 5 7 1 3 8 17 23 15 8 16 7 8 118 DAYS WITH P.CLOUDY (3-6)/8 4 10 6 10 14 5 3 5 6 9 5 6 83 DAYS WITH CLOUDY (7-8)/8 22 11 24 17 9 8 5 11 16 6 18 17 164 DAYS WITH VISIBILITY =< 2 KM 10 4 11 9 8 5 1 8 6 3 12 9 86 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1026.1 1018.3 1021.2 1019.9 1018.4 1015.0 1009.9 1011.7 1017.5 1021.5 1021.7 1020.5 1018.5 MAX. QFE PRESSURE IN HPA 1037.8 1029.5 1032.7 1031.4 1032.3 1025.9 1015.6 1022.5 1028.7 1031.0 1036.7 1045.8 1045.8 DAY-HOUR 8-21 1- 6 22-21 1- 6 26-21 21-21 16-21 17-21 29-18 10-18 12- 6 1-15 MIN. QFE PRESSURE IN HPA 1013.3 998.3 1011.3 1005.2 1008.4 1006.3 1003.2 1001.5 1010.1 1014.8 1006.1 1007.9 998.3 DAY-HOUR 16-12 22-21 3-12 22-12 3- 3 28-15 31-15 1-15 1-12 29-18 22-18 18- 3 MEAN QNH PRESSURE IN HPA 1022.6 1014.8 1017.7 1016.4 1015.0 1011.6 1006.4 1008.3 1014.1 1018.0 1018.2 1017.0 1015.0 MAX. QNH PRESSURE IN HPA 1034.3 1026.0 1029.2 1027.9 1028.8 1022.4 1012.2 1019.0 1025.2 1027.5 1033.2 1042.3 1042.3 DAY-HOUR 8-21 1- 6 22-21 1- 6 26-21 21-21 16-21 17-21 29-18 10-18 12- 6 1-15 MIN. QNH PRESSURE IN HPA 1009.9 994.9 1007.9 1001.8 1005.0 1002.9 999.8 998.1 1006.7 1011.4 1002.7 1004.5 994.9 DAY-HOUR 16-12 22-21 3-12 22-12 3- 3 28-15 31-15 1-15 1-12 29-18 22-18 18- 3 MEAN QFF PRESSURE IN HPA 1022.8 1015.1 1018.0 1016.7 1015.3 1012.0 1006.9 1008.7 1014.5 1018.4 1018.6 1017.3 1015.3 MAX. QFF PRESSURE IN HPA 1034.5 1026.2 1029.5 1028.2 1029.1 1022.8 1012.6 1019.4 1025.6 1027.8 1033.4 1042.5 1042.5 DAY-HOUR 8-21 1- 6 22-21 1- 6 26-21 21-21 16-21 17-21 29-18 10-18 12- 6 1-15 MIN. QFF PRESSURE IN HPA 1010.1 995.3 1008.1 1002.1 1005.3 1003.3 1000.2 998.6 1007.1 1011.7 1003.0 1004.8 995.3 DAY-HOUR 16-12 22-21 3-12 22-12 3- 3 28-15 31-15 1-15 1-12 29-18 22-18 18- 3 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1026.0 1018.4 1022.0 1020.1 1017.6 1015.2 1009.9 1011.8 1017.4 1021.4 1021.4 1020.5 1018.5 MAX. QFE PRESSURE IN HPA 1037.4 1029.2 1031.7 1030.5 1025.7 1025.0 1014.8 1020.9 1027.5 1030.7 1036.4 1045.2 1045.2 DAY 9 1 23 13 11 22 17 18 30 11 12 2 MIN. QFE PRESSURE IN HPA 1016.5 999.1 1013.0 1008.5 1008.8 1007.9 1004.6 1002.6 1012.1 1014.8 1010.3 1008.0 999.1 DAY 13 23 12 22 3 4 29 2 1 30 23 18 MEAN QNH PRESSURE IN HPA 1022.5 1015.0 1018.5 1016.6 1014.2 1011.7 1006.5 1008.4 1013.9 1017.9 1017.9 1017.0 1015.0 MAX. QNH PRESSURE IN HPA 1033.9 1025.7 1028.2 1027.0 1022.2 1021.5 1011.4 1017.4 1024.0 1027.2 1032.9 1041.7 1041.7 DAY 9 1 23 13 11 22 17 18 30 11 12 2 MIN. QNH PRESSURE IN HPA 1013.0 995.7 1009.6 1005.1 1005.4 1004.5 1001.2 999.2 1008.7 1011.4 1006.9 1004.6 995.7 DAY 13 23 12 22 3 4 29 2 1 30 23 18 MEAN QFF PRESSURE IN HPA 1022.7 1015.3 1018.8 1016.9 1014.5 1012.1 1006.9 1008.8 1014.3 1018.3 1018.3 1017.3 1015.4 MAX. QFF PRESSURE IN HPA 1034.1 1025.9 1028.5 1027.3 1022.6 1021.9 1011.8 1017.8 1024.4 1027.5 1033.1 1041.8 1041.8 DAY 9 1 23 13 11 22 17 18 30 11 12 2 MIN. QFF PRESSURE IN HPA 1013.3 996.1 1009.8 1005.4 1005.7 1004.9 1001.6 999.7 1009.1 1011.7 1007.2 1004.9 996.1 DAY 13 23 12 22 3 4 29 2 1 30 23 18 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1025.8 1018.0 1021.0 1020.1 1018.4 1015.3 1010.3 1012.1 1017.6 1021.6 1021.5 1020.6 1018.5 MAX. QFE PRESSURE IN HPA 1036.8 1029.0 1031.0 1031.1 1029.3 1024.8 1015.3 1020.8 1027.4 1030.4 1036.3 1045.3 1045.3 DAY 9 1 22 1 27 22 17 18 30 11 12 2 MIN. QFE PRESSURE IN HPA 1015.4 1001.9 1012.4 1007.6 1008.4 1007.4 1004.6 1003.5 1011.8 1015.3 1010.0 1007.9 1001.9 DAY 13 23 16 22 3 4 29 1 1 30 24 18 MEAN QNH PRESSURE IN HPA 1022.3 1014.6 1017.5 1016.6 1015.0 1011.9 1006.8 1008.6 1014.2 1018.1 1018.1 1017.1 1015.1 MAX. QNH PRESSURE IN HPA 1033.3 1025.5 1027.5 1027.6 1025.8 1021.3 1011.9 1017.3 1023.9 1026.9 1032.8 1041.8 1041.8 DAY 9 1 22 1 27 22 17 18 30 11 12 2 MIN. QNH PRESSURE IN HPA 1012.0 998.5 1009.0 1004.2 1005.0 1004.0 1001.2 1000.1 1008.4 1011.9 1006.6 1004.5 998.5 DAY 13 23 16 22 3 4 29 1 1 30 24 18 MEAN QFF PRESSURE IN HPA 1022.5 1014.8 1017.7 1016.9 1015.3 1012.3 1007.3 1009.1 1014.6 1018.5 1018.4 1017.3 1015.4 MAX. QFF PRESSURE IN HPA 1033.5 1025.7 1027.7 1027.9 1026.1 1021.7 1012.3 1017.7 1024.2 1027.2 1033.0 1041.9 1041.9 DAY 9 1 22 1 27 22 17 18 30 11 12 2 MIN. QFF PRESSURE IN HPA 1012.2 998.8 1009.2 1004.5 1005.3 1004.4 1001.6 1000.5 1008.8 1012.2 1006.9 1004.8 998.8 DAY 13 23 16 22 3 4 29 1 1 30 24 18 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1027.0 1018.9 1021.5 1021.0 1019.1 1015.8 1010.6 1012.5 1018.4 1022.5 1022.6 1021.7 1019.3 MAX. QFE PRESSURE IN HPA 1037.4 1029.5 1032.3 1031.4 1028.7 1024.9 1015.6 1021.0 1028.0 1030.8 1036.7 1045.3 1045.3 DAY 9 1 22 1 8 22 17 17 30 11 12 2 MIN. QFE PRESSURE IN HPA 1016.5 1005.4 1012.8 1007.9 1009.0 1007.8 1005.4 1004.1 1011.7 1016.2 1010.6 1010.2 1004.1 DAY 16 11 16 22 3 4 29 1 1 7 24 18 MEAN QNH PRESSURE IN HPA 1023.6 1015.5 1018.1 1017.5 1015.6 1012.3 1007.2 1009.1 1014.9 1019.0 1019.2 1018.2 1015.8 MAX. QNH PRESSURE IN HPA 1033.9 1026.0 1028.8 1027.9 1025.2 1021.4 1012.2 1017.5 1024.5 1027.3 1033.2 1041.8 1041.8 DAY 9 1 22 1 8 22 17 17 30 11 12 2 MIN. QNH PRESSURE IN HPA 1013.0 1002.0 1009.4 1004.5 1005.6 1004.4 1002.0 1000.7 1008.3 1012.7 1007.2 1006.8 1000.7 DAY 16 11 16 22 3 4 29 1 1 7 24 18 MEAN QFF PRESSURE IN HPA 1023.7 1015.7 1018.3 1017.8 1016.0 1012.7 1007.6 1009.5 1015.3 1019.4 1019.5 1018.5 1016.2 MAX. QFF PRESSURE IN HPA 1034.1 1026.2 1029.1 1028.2 1025.6 1021.8 1012.6 1017.9 1024.9 1027.6 1033.4 1041.9 1041.9 DAY 9 1 22 1 8 22 17 17 30 11 12 2 MIN. QFF PRESSURE IN HPA 1013.3 1002.3 1009.6 1004.8 1005.9 1004.8 1002.4 1001.2 1008.7 1013.1 1007.5 1007.1 1001.2 DAY 16 11 16 22 3 4 29 1 1 7 24 18 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1026.3 1018.1 1021.0 1020.4 1019.0 1015.5 1010.3 1012.1 1018.0 1021.8 1021.8 1020.7 1018.7 MAX. QFE PRESSURE IN HPA 1035.8 1028.2 1032.4 1030.0 1029.3 1024.7 1015.2 1021.5 1027.0 1030.7 1035.3 1042.2 1042.2 DAY 9 1 22 12 26 21 8 17 30 10 12 2 MIN. QFE PRESSURE IN HPA 1015.1 1005.0 1012.0 1006.4 1009.0 1008.0 1005.4 1003.9 1010.9 1015.9 1009.5 1009.1 1003.9 DAY 16 11 16 22 3 4 29 1 1 6 22 9 MEAN QNH PRESSURE IN HPA 1022.8 1014.7 1017.5 1016.9 1015.6 1012.0 1006.9 1008.7 1014.5 1018.3 1018.3 1017.3 1015.3 MAX. QNH PRESSURE IN HPA 1032.3 1024.7 1028.9 1026.5 1025.8 1021.2 1011.8 1018.0 1023.5 1027.2 1031.8 1038.7 1038.7 DAY 9 1 22 12 26 21 8 17 30 10 12 2 MIN. QNH PRESSURE IN HPA 1011.7 1001.6 1008.6 1003.0 1005.6 1004.6 1002.0 1000.5 1007.5 1012.4 1006.1 1005.7 1000.5 DAY 16 11 16 22 3 4 29 1 1 6 22 9 MEAN QFF PRESSURE IN HPA 1022.9 1014.9 1017.8 1017.2 1015.9 1012.4 1007.3 1009.1 1014.9 1018.7 1018.7 1017.5 1015.6 MAX. QFF PRESSURE IN HPA 1032.5 1024.9 1029.2 1026.8 1026.1 1021.6 1012.2 1018.4 1023.9 1027.5 1032.1 1038.9 1038.9 DAY 9 1 22 24 26 21 8 17 30 10 12 2 MIN. QFF PRESSURE IN HPA 1011.9 1001.9 1008.8 1003.3 1005.9 1005.0 1002.4 1001.0 1007.9 1012.9 1006.4 1006.0 1001.0 DAY 16 11 16 22 3 4 29 1 1 6 22 9 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1025.3 1017.3 1020.3 1019.2 1018.2 1014.6 1009.3 1011.1 1016.8 1020.8 1021.1 1019.7 1017.8 MAX. QFE PRESSURE IN HPA 1034.6 1027.0 1031.5 1029.7 1030.0 1025.2 1014.5 1021.4 1026.7 1029.7 1035.6 1042.7 1042.7 DAY 8 18 22 12 26 21 8 17 29 10 11 1 MIN. QFE PRESSURE IN HPA 1013.3 1003.1 1011.3 1005.2 1009.2 1007.1 1004.1 1002.5 1010.1 1015.1 1007.6 1008.4 1002.5 DAY 16 11 3 22 3 28 31 1 1 29 22 12 MEAN QNH PRESSURE IN HPA 1021.9 1013.8 1016.8 1015.8 1014.8 1011.1 1005.9 1007.6 1013.3 1017.3 1017.6 1016.2 1014.3 MAX. QNH PRESSURE IN HPA 1031.1 1023.5 1028.0 1026.2 1026.5 1021.7 1011.1 1017.9 1023.2 1026.2 1032.1 1039.2 1039.2 DAY 8 18 22 12 26 21 8 17 29 10 11 1 MIN. QNH PRESSURE IN HPA 1009.9 999.7 1007.9 1001.8 1005.8 1003.7 1000.7 999.1 1006.7 1011.7 1004.2 1005.0 999.1 DAY 16 11 3 22 3 28 31 1 1 29 22 12 MEAN QFF PRESSURE IN HPA 1022.1 1014.1 1017.5 1016.0 1014.9 1011.5 1006.3 1008.1 1013.7 1017.7 1017.9 1016.5 1014.7 MAX. QFF PRESSURE IN HPA 1031.3 1023.8 1028.3 1026.4 1024.8 1022.1 1011.5 1018.3 1023.6 1026.6 1032.4 1039.4 1039.4 DAY 8 18 22 12 8 21 8 17 29 10 11 1 MIN. QFF PRESSURE IN HPA 1010.1 1000.0 1008.1 1002.1 1006.1 1004.1 1001.1 999.6 1007.1 1012.0 1004.5 1005.3 999.6 DAY 16 11 3 22 3 28 31 1 1 29 22 12 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1025.8 1018.0 1020.6 1018.9 1018.0 1014.2 1008.9 1010.7 1017.1 1021.0 1021.6 1020.1 1017.9 MAX. QFE PRESSURE IN HPA 1036.3 1028.7 1031.5 1029.6 1031.5 1025.0 1014.5 1021.4 1028.1 1030.2 1036.2 1045.8 1045.8 DAY 8 28 22 11 26 21 8 17 29 10 11 1 MIN. QFE PRESSURE IN HPA 1014.9 1002.3 1011.6 1005.5 1009.9 1006.3 1003.2 1001.5 1010.5 1015.0 1006.9 1008.5 1001.5 DAY 16 22 11 22 3 28 31 1 1 29 22 17 MEAN QNH PRESSURE IN HPA 1022.4 1014.6 1017.2 1015.4 1014.6 1010.8 1005.5 1007.3 1013.6 1017.5 1018.1 1016.7 1014.5 MAX. QNH PRESSURE IN HPA 1032.8 1025.2 1028.0 1026.1 1028.0 1021.5 1011.1 1017.9 1024.6 1026.7 1032.7 1042.3 1042.3 DAY 8 28 22 11 26 21 8 17 29 10 11 1 MIN. QNH PRESSURE IN HPA 1011.5 998.9 1008.2 1002.1 1006.5 1002.9 999.8 998.1 1007.1 1011.6 1003.5 1005.1 998.1 DAY 16 22 11 22 3 28 31 1 1 29 22 17 MEAN QFF PRESSURE IN HPA 1022.6 1014.8 1017.4 1015.7 1014.9 1011.2 1005.9 1007.7 1014.0 1017.9 1018.4 1016.9 1014.8 MAX. QFF PRESSURE IN HPA 1033.0 1025.5 1028.2 1026.3 1028.3 1021.9 1011.5 1018.3 1025.0 1027.1 1032.9 1042.5 1042.5 DAY 8 28 22 11 26 21 8 17 29 10 11 1 MIN. QFF PRESSURE IN HPA 1011.7 999.2 1008.4 1002.4 1006.8 1003.3 1000.2 998.6 1007.5 1011.9 1003.8 1005.3 998.6 DAY 16 22 11 22 3 28 31 1 1 29 22 17 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1026.1 1018.5 1021.4 1019.6 1018.5 1014.7 1009.6 1011.4 1017.5 1021.4 1022.0 1020.4 1018.4 MAX. QFE PRESSURE IN HPA 1037.2 1029.0 1032.0 1030.3 1031.3 1025.6 1015.0 1022.1 1028.7 1031.0 1036.5 1045.2 1045.2 DAY 8 28 22 12 26 21 16 17 29 10 11 1 MIN. QFE PRESSURE IN HPA 1018.1 1000.0 1012.1 1009.0 1010.1 1006.5 1003.4 1001.8 1011.6 1014.8 1006.1 1008.6 1000.0 DAY 12 22 11 21 3 28 31 1 1 29 22 17 MEAN QNH PRESSURE IN HPA 1022.6 1015.0 1018.0 1016.1 1015.1 1011.2 1006.2 1008.0 1014.0 1017.9 1018.6 1016.9 1015.0 MAX. QNH PRESSURE IN HPA 1033.7 1025.5 1028.5 1026.8 1027.8 1022.1 1011.6 1018.6 1025.2 1027.5 1033.0 1041.7 1041.7 DAY 8 28 22 12 26 21 16 17 29 10 11 1 MIN. QNH PRESSURE IN HPA 1014.6 996.6 1008.7 1005.6 1006.7 1003.1 1000.0 998.4 1008.2 1011.4 1002.7 1005.2 996.6 DAY 12 22 11 21 3 28 31 1 1 29 22 17 MEAN QFF PRESSURE IN HPA 1022.8 1015.3 1018.2 1016.4 1015.4 1011.7 1006.6 1008.4 1014.4 1018.3 1018.9 1017.2 1015.3 MAX. QFF PRESSURE IN HPA 1033.9 1025.8 1028.8 1027.1 1028.1 1022.5 1012.0 1019.0 1025.6 1027.8 1033.2 1041.9 1041.9 DAY 8 28 22 12 26 21 16 17 29 10 11 1 MIN. QFF PRESSURE IN HPA 1014.9 996.9 1008.9 1005.9 1007.0 1003.5 1000.4 998.9 1008.6 1011.7 1003.0 1005.4 996.9 DAY 12 22 11 21 3 28 31 1 1 29 22 17 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1026.3 1018.8 1021.9 1019.8 1018.4 1015.0 1010.1 1012.0 1017.8 1021.5 1021.8 1020.4 1018.6 MAX. QFE PRESSURE IN HPA 1037.8 1029.4 1032.7 1030.6 1032.3 1025.9 1015.6 1022.5 1028.3 1030.9 1036.4 1045.2 1045.2 DAY 8 28 22 12 26 21 16 17 29 10 11 1 MIN. QFE PRESSURE IN HPA 1017.6 998.3 1012.9 1009.1 1009.3 1006.8 1003.8 1002.1 1012.1 1014.8 1006.5 1008.5 998.3 DAY 12 22 11 21 2 28 31 1 1 29 22 17 MEAN QNH PRESSURE IN HPA 1022.8 1015.3 1018.4 1016.4 1015.0 1011.6 1006.7 1008.5 1014.3 1018.0 1018.3 1016.9 1015.2 MAX. QNH PRESSURE IN HPA 1034.3 1025.9 1029.2 1027.1 1028.8 1022.4 1012.2 1019.0 1024.8 1027.4 1032.9 1041.7 1041.7 DAY 8 28 22 12 26 21 16 17 29 10 11 1 MIN. QNH PRESSURE IN HPA 1014.1 994.9 1009.5 1005.7 1005.9 1003.4 1000.4 998.7 1008.7 1011.4 1003.1 1005.1 994.9 DAY 12 22 11 21 2 28 31 1 1 29 22 17 MEAN QFF PRESSURE IN HPA 1023.0 1015.6 1018.7 1016.7 1015.3 1012.0 1007.1 1009.0 1014.7 1018.4 1018.6 1017.2 1015.5 MAX. QFF PRESSURE IN HPA 1034.5 1026.2 1029.5 1027.4 1029.1 1022.8 1012.6 1019.4 1025.2 1027.7 1033.1 1041.8 1041.8 DAY 8 28 22 12 26 21 16 17 29 10 11 1 MIN. QFF PRESSURE IN HPA 1014.4 995.3 1009.7 1006.0 1006.2 1003.8 1000.9 999.2 1009.1 1011.7 1003.4 1005.4 995.3 DAY 12 22 11 21 2 28 31 1 8 29 22 17 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BANDAR ANZALI (40718) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 28 N LONGITUDE 49 28 E DATA PROCESSING CENTER ELEVATION -26.2 M MEANS AND EXTREMES FOR THE YEAR 1956 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.6 6.9 6.5 12.7 17.0 22.7 25.2 25.8 20.4 17.6 12.9 7.8 15.3 MINIMUN AIR TEMPERATURE (C) 5.1 4.6 4.6 10.1 14.0 18.7 21.0 21.6 16.9 13.5 8.5 4.5 11.9 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 6 15 23 3 0 0 0 47 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 1 1 0 0 0 0 0 0 0 0 1 3 TEMPERATURE RECORDS LOWEST(C) 2.0 0.0 0.0 2.0 8.0 16.0 19.0 18.0 11.0 10.0 3.0 0.0 0.0 DAY 17 13 25 1 2 1 2 9 26 23 18 13 MAXIMUM AIR TEMPERATURE (C) 12.5 9.3 8.9 16.3 20.3 26.3 29.0 29.9 23.6 21.4 17.3 10.9 18.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 0 1 13 23 2 0 0 0 39 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 23.0 23.0 26.0 25.0 31.0 32.0 32.0 31.0 26.0 28.0 25.0 32.0 DAY 30 3 4 7 17 25 18 3 1 4 8 5 DIF. BETWEEN (MAX.-MIN.) (C) 7.4 4.7 4.3 6.2 6.3 7.6 8.0 8.3 6.7 7.9 8.8 6.4 6.9 MEAN DAILY TEMP. (MDT) (C) 8.8 6.9 6.8 13.2 17.1 22.5 25.0 25.7 20.3 17.4 12.9 7.7 15.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 0.0 52.5 124.0 147.0 29.5 0.0 0.5 0.0 353.5 HEATING DEG. DAYS(BASE 18 0C) 286.5 321.5 347.5 144.5 42.5 0.0 0.0 0.0 16.0 38.0 158.0 319.5 1674.0 DEWPOINT (MEAN C) 5.7 4.3 4.6 10.0 13.7 17.7 19.9 21.3 17.8 14.7 9.4 5.2 12.0 MIXING RATIO (G/KG) 5.69 5.14 5.27 7.69 9.78 12.80 14.73 16.13 12.91 10.46 7.49 5.51 9.47 VAPOUR PRESSURE (HPA) 9.26 8.38 8.58 12.42 15.75 20.46 23.42 25.61 20.68 16.89 12.14 9.01 15.22 SATURATION DEF. (HPA) 2.09 1.73 1.20 2.61 3.90 7.40 8.90 8.01 3.87 3.55 3.16 1.88 4.03 RELATIVE HUMIDITY (MEAN %) 84 85 89 85 82 75 74 78 86 84 81 85 82 RELATIVE HUMIDITY (MAX. %) 94 93 95 94 93 90 89 92 95 95 94 95 93 RELATIVE HUMIDITY (MIN. %) 71 76 80 70 68 60 59 60 73 71 60 69 68 RELATIVE HUMIDITY (MEAN% 03UTC) 87 89 93 90 91 88 85 87 93 92 86 88 89 RELATIVE HUMIDITY (MEAN% 09UTC) 76 81 84 78 72 65 68 68 78 72 67 73 74 RELATIVE HUMIDITY (MEAN% 15UTC) 82 83 88 81 77 67 67 74 82 82 81 86 79 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 329.2 188.6 253.8 113.1 234.0 5.2 66.0 52.0 960.0 259.0 85.4 351.5 2897.8 DAYS WITH PRECIPITATION >=10 7 4 12 4 5 0 2 1 17 4 2 11 69 DAYS WITH PRECIPITATION >= 5 7 10 14 5 6 0 2 2 17 4 4 13 84 DAYS WITH PRECIPITATION >= 1 9 16 20 10 11 2 4 6 19 10 8 16 131 DAYS WITH PRECIPITATION 13 18 23 12 11 3 4 6 21 12 9 17 149 GREATEST DAILY PRECIPITATION 90.0 60.0 32.0 43.0 80.0 4.0 43.0 36.0 183.0 128.0 31.0 66.0 183.0 DAY 14 25 31 12 28