STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1986 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. 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OF WIND OBSERVATION **** **** **** **** **** **** 151 155 149 155 100 93 803 VECTOR WIND DIRECTION (MEAN) *** *** *** *** *** *** 349 356 318 197 *** *** *** VECTOR WIND MAGNITUDE(KNOTS) **** **** **** **** **** **** 4.9 5.0 2.3 4.5 **** **** **** WIND STEADINESES (MEAN %) ***** ***** ***** ***** ***** ***** 58.3 61.0 37.1 63.4 ***** ***** ***** WIND SPEED (MEAN KNOTS) **** **** **** **** **** **** 8.4 8.2 6.2 7.1 **** **** **** FASTEST WIND DIRECTION *** *** *** *** *** *** 350 340 70 190 *** *** *** FASTEST WIND SPEED (KNOTS) *** *** *** *** *** *** 35 25 14 33 *** *** *** DAY ** ** ** ** ** ** 2 4 1 23 ** ** DAYS WITH SKY CLEAR (0-2)/8 **** **** **** **** **** **** 28 28 25 12 4 11 **** DAYS WITH P.CLOUDY (3-6)/8 **** **** **** **** **** **** 3 3 5 13 10 7 **** DAYS WITH CLOUDY (7-8)/8 **** **** **** **** **** **** 0 0 0 6 16 12 **** DAYS WITH VISIBILITY =< 2 KM **** **** **** **** **** **** 0 0 0 0 13 14 **** DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** 347.9 344.2 304.0 214.8 109.2 127.2 ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1986 JAN. 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QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** 820.9 822.2 826.3 825.9 821.8 820.7 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** 824.2 826.0 830.3 830.0 827.4 828.8 ****** DAY ** ** ** ** ** ** 31 30 23 15 15 7 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** 817.3 818.0 823.2 818.0 813.2 807.0 ****** DAY ** ** ** ** ** ** 24 22 15 1 8 27 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** 1004.5 1006.0 1010.9 1010.4 1005.6 1004.3 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** 1008.4 1010.5 1015.6 1015.2 1012.2 1013.8 ****** DAY ** ** ** ** ** ** 31 30 23 15 15 7 MIN. 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QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1986 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** 819.5 820.9 825.1 824.9 ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** 823.1 824.5 829.1 829.2 ****** ****** ****** DAY ** ** ** ** ** ** 31 30 23 15 ** ** MIN. 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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 SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** ***** ***** 19.5 ***** 26.8 26.4 22.6 ***** ***** ***** ***** MINIMUN AIR TEMPERATURE (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAYS WITH MINIMUM TEMP. >=21 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH MINIMUM TEMP. <=-4 **** **** **** **** **** **** **** **** **** **** **** **** **** DAYS WITH FREEZING MIN.<= 0 **** **** **** **** **** **** **** **** **** **** **** **** **** TEMPERATURE RECORDS LOWEST(C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** DAY ** ** ** ** ** ** ** ** ** ** ** ** MAXIMUM AIR TEMPERATURE (C) ***** ***** ***** 14.0 22.4 27.3 30.1 29.7 26.1 15.0 ***** ***** ***** DAYS WITH MAXIMUM TEMP. >=30 **** **** **** 0 0 6 17 15 2 0 **** **** **** DAYS WITH MAXIMUM TEMP. <= 0 **** **** **** 0 0 0 0 0 0 0 **** **** **** TEMPERATURE RECORDS HIGHEST(C)***** ***** ***** 23.0 25.2 32.0 35.0 34.0 30.4 25.3 ***** ***** ***** DAY ** ** ** 30 9 29 15 3 9 2 ** ** DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** COOLING DEG. DAYS(BASE 21 0C)****** ****** ****** ****** 0.0 ****** 0.0 ****** 0.0 ****** ****** ****** ****** HEATING DEG. DAYS(BASE 18 0C)****** ****** ****** ****** 0.0 ****** 0.0 ****** 0.0 ****** ****** ****** ****** DEWPOINT (MEAN C) ***** ***** ***** ***** 1.6 ***** 9.0 6.3 2.2 ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** 5.48 ****** 8.98 7.55 5.60 ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** 7.18 ****** 11.68 9.84 7.35 ****** ****** ****** ****** SATURATION DEF. 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OF WIND OBSERVATION **** **** **** 117 124 119 124 123 120 117 89 90 1023 VECTOR WIND DIRECTION (MEAN) *** *** *** *** 213 *** 339 298 277 *** *** *** *** VECTOR WIND MAGNITUDE(KNOTS) **** **** **** **** 5.6 **** 4.0 2.0 2.5 **** **** **** **** WIND STEADINESES (MEAN %) ***** ***** ***** ***** 68.3 ***** 40.4 21.5 29.8 ***** ***** ***** ***** WIND SPEED (MEAN KNOTS) **** **** **** **** 8.2 **** 9.9 9.3 8.4 **** **** **** **** FASTEST WIND DIRECTION *** *** *** *** 180 *** 10 150 200 *** *** *** *** FASTEST WIND SPEED (KNOTS) *** *** *** *** 29 *** 31 33 23 *** *** *** *** DAY ** ** ** ** 10 ** 30 5 5 ** ** ** DAYS WITH SKY CLEAR (0-2)/8 **** **** **** 16 7 25 29 28 28 10 16 3 **** DAYS WITH P.CLOUDY (3-6)/8 **** **** **** 6 18 3 2 3 2 13 9 9 **** DAYS WITH CLOUDY (7-8)/8 **** **** **** 8 6 2 0 0 0 8 5 19 **** DAYS WITH VISIBILITY =< 2 KM **** **** **** 1 1 1 2 0 5 3 0 14 **** DURATION OF SUNSHINE HOURS ****** ****** ****** 211.4 233.9 291.4 334.8 352.2 289.3 189.9 228.5 69.3 ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1987 JAN. 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QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** 820.9 822.9 821.7 821.2 821.3 823.7 824.2 822.9 818.5 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** 827.3 826.6 825.5 824.0 828.0 827.5 829.6 828.8 827.8 ****** DAY ** ** ** 22 13 28 11 8 25 16 30 1 MIN. 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QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** 820.7 822.3 820.9 820.2 820.6 822.8 823.7 ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** 825.7 826.0 824.0 823.0 826.0 827.0 828.9 ****** ****** ****** DAY ** ** ** 22 16 29 10 7 25 1 ** ** MIN. 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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. 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QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** ***** 10.1 16.8 21.3 24.9 23.6 21.5 15.7 ***** ***** ***** MINIMUN AIR TEMPERATURE (C) ***** ***** ***** 7.1 11.8 15.8 19.2 18.3 16.1 ***** ***** ***** ***** DAYS WITH MINIMUM TEMP. >=21 **** **** **** 0 0 1 7 4 0 **** **** **** **** DAYS WITH MINIMUM TEMP. <=-4 **** **** **** 0 0 0 0 0 0 **** **** **** **** DAYS WITH FREEZING MIN.<= 0 **** **** **** 0 0 0 0 0 0 **** **** **** **** TEMPERATURE RECORDS LOWEST(C) ***** ***** ***** 5.0 6.0 10.0 13.8 13.0 11.8 ***** ***** ***** ***** DAY ** ** ** 15 3 17 27 30 13 ** ** ** MAXIMUM AIR TEMPERATURE (C) ***** ***** ***** 14.3 20.3 25.4 29.5 27.9 25.9 19.0 10.2 ***** ***** DAYS WITH MAXIMUM TEMP. >=30 **** **** **** 0 0 3 11 6 0 0 0 **** **** DAYS WITH MAXIMUM TEMP. <= 0 **** **** **** 0 0 0 0 0 0 0 1 **** **** TEMPERATURE RECORDS HIGHEST(C)***** ***** ***** 18.5 26.2 32.0 39.6 34.4 29.5 23.8 15.6 ***** ***** DAY ** ** ** 17 18 10 11 1 8 28 3 ** DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** 7.2 8.5 9.6 10.3 9.6 9.8 ***** ***** ***** ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** 10.7 16.1 20.6 24.4 23.1 21.0 ***** ***** ***** ***** COOLING DEG. DAYS(BASE 21 0C)****** ****** ****** 0.0 1.0 35.0 108.1 77.3 21.1 0.0 ****** ****** ****** HEATING DEG. DAYS(BASE 18 0C)****** ****** ****** 138.0 77.3 8.8 0.0 0.4 2.9 17.0 ****** ****** ****** DEWPOINT (MEAN C) ***** ***** ***** 3.8 1.9 4.6 10.6 11.8 6.6 3.4 ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** 6.44 5.48 6.71 10.25 10.89 7.61 6.14 ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** 8.39 7.17 8.74 13.26 14.09 9.94 8.05 ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** 4.22 12.48 17.20 19.06 15.83 16.21 10.26 ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** 67 39 37 44 51 40 48 *** *** *** RELATIVE HUMIDITY (MAX. %) 93 91 83 78 53 49 58 66 52 60 70 78 69 RELATIVE HUMIDITY (MIN. %) 86 82 69 52 29 26 32 36 29 40 49 64 50 RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** 75 49 47 56 64 51 *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) 90 84 76 62 35 35 41 50 39 45 59 71 57 RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** 73 35 30 35 37 31 52 67 *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 165.0 0.0 0.0 80.6 22.3 3.6 0.6 8.1 0.0 51.0 65.4 128.2 524.8 DAYS WITH PRECIPITATION >=10 8 0 0 2 1 0 0 0 0 2 2 6 21 DAYS WITH PRECIPITATION >= 5 14 0 0 6 1 0 0 1 0 4 6 8 40 DAYS WITH PRECIPITATION >= 1 19 0 0 11 2 1 0 2 0 5 10 11 61 DAYS WITH PRECIPITATION 19 0 0 13 3 4 2 3 0 8 12 14 78 GREATEST DAILY PRECIPITATION 20.0 0.0 0.0 20.0 21.0 2.0 0.3 5.0 0.0 19.0 14.3 28.0 28.0 DAY 17 ** ** 13 1 24 9 9 ** 16 12 26 DAY WITH THUNDER STORM 2 0 1 8 2 2 0 1 0 1 2 1 20 DAYS WITH SNOW OR SLEET 14 8 9 0 0 0 0 0 0 0 5 9 45 DAYS WITH DUST 0 0 0 1 7 13 1 1 3 8 5 0 39 WIND DIRECTION (PREVAILING) *** *** *** 360 225 225 360 360 360 225 *** *** *** PREVAILING WIND SPEED(KNOTS) **** **** **** 10.2 10.5 12.8 15.0 14.0 11.8 9.4 **** **** **** PREVAILING WIND PERCENT ***** ***** ***** 18.4 30.5 25.8 63.2 51.6 21.5 15.2 ***** ***** ***** CALMS PERCENT OF WIND ***** ***** ***** 24.0 16.7 19.2 11.0 14.2 30.2 42.0 ***** ***** ***** NO. OF WIND OBSERVATION 93 78 87 125 174 151 155 155 149 138 106 88 1499 VECTOR WIND DIRECTION (MEAN) *** *** *** 181 221 239 359 346 282 252 *** *** *** VECTOR WIND MAGNITUDE(KNOTS) **** **** **** 1.3 4.4 3.2 9.6 7.5 2.8 2.2 **** **** **** WIND STEADINESES (MEAN %) ***** ***** ***** 18.8 51.2 37.6 80.0 67.6 34.6 37.3 ***** ***** ***** WIND SPEED (MEAN KNOTS) **** **** **** 6.9 8.6 8.5 12.0 11.1 8.1 5.9 **** **** **** FASTEST WIND DIRECTION *** *** *** 180 200 180 360 360 180 200 *** *** *** FASTEST WIND SPEED (KNOTS) *** *** *** 43 39 25 29 25 21 29 *** *** *** DAY ** ** ** 17 9 22 7 5 5 4 ** ** DAYS WITH SKY CLEAR (0-2)/8 5 7 8 6 24 24 30 28 30 10 9 6 187 DAYS WITH P.CLOUDY (3-6)/8 9 11 12 12 7 6 1 3 0 17 12 14 104 DAYS WITH CLOUDY (7-8)/8 16 10 11 12 0 0 0 0 0 4 9 10 72 DAYS WITH VISIBILITY =< 2 KM 14 5 7 5 2 0 0 0 0 2 3 9 47 DURATION OF SUNSHINE HOURS 91.3 126.3 ****** ****** ****** 180.1 ****** ****** ****** ****** 138.8 139.5 ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** 819.7 821.6 819.4 818.4 819.5 822.8 824.7 ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** 826.2 826.6 825.0 824.0 824.4 827.4 831.0 ****** ****** ****** DAY-HOUR **-** **-** **-** 13- 6 16- 6 12- 6 31- 6 21- 6 15- 9 28- 9 **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** 816.0 814.8 813.0 814.0 815.0 819.0 818.0 ****** ****** ****** DAY-HOUR **-** **-** **-** 4- 6 1- 3 30-15 8-15 29-15 3-15 30-12 **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** 1003.1 1005.4 1002.8 1001.5 1002.9 1006.8 1009.0 ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** 1010.8 1011.2 1009.4 1008.2 1008.7 1012.2 1016.4 ****** ****** ****** DAY-HOUR **-** **-** **-** 13- 6 16- 6 12- 6 31- 6 21- 6 15- 9 28- 9 **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** 998.8 997.3 995.2 996.4 997.6 1002.3 1001.1 ****** ****** ****** DAY-HOUR **-** **-** **-** 4- 6 1- 3 30-15 8-15 29-15 3-15 30-12 **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** 819.8 821.4 819.4 818.3 819.5 822.5 ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** 824.6 826.0 824.0 823.8 823.4 826.8 ****** ****** ****** ****** DAY ** ** ** 11 16 12 31 21 15 ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** 816.0 814.8 814.9 814.5 816.2 819.0 ****** ****** ****** ****** DAY ** ** ** 30 1 24 1 3 17 ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** 1003.2 1005.2 1002.7 1001.5 1002.9 1006.4 ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** 1008.9 1010.5 1008.2 1007.9 1007.5 1011.5 ****** ****** ****** ****** DAY ** ** ** 11 16 12 31 21 15 ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** 998.8 997.3 997.5 997.0 999.0 1002.3 ****** ****** ****** ****** DAY ** ** ** 30 1 24 1 3 17 ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** 997.8 996.8 991.0 987.1 989.2 994.8 ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1005.5 1003.0 994.6 992.5 995.2 999.1 ****** ****** ****** ****** DAY ** ** ** 13 5 3 27 5 30 ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** 993.6 991.7 987.3 981.6 984.7 989.4 ****** ****** ****** ****** DAY ** ** ** 30 9 29 15 2 17 ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 815.6 814.7 812.4 820.0 822.1 819.8 818.8 820.0 823.2 825.1 824.4 821.9 819.8 MAX. QFE PRESSURE IN HPA 823.0 821.6 819.0 826.2 826.6 825.0 824.0 824.4 827.2 830.2 831.4 829.7 831.4 DAY 9 6 17 13 16 12 31 21 15 28 6 3 MIN. QFE PRESSURE IN HPA 809.0 804.0 802.3 816.0 814.8 815.0 815.6 816.7 819.5 819.5 817.8 806.0 802.3 DAY 18 2 4 4 1 24 8 3 17 30 28 26 MEAN QNH PRESSURE IN HPA 998.3 997.2 994.6 1003.5 1006.0 1003.2 1002.0 1003.5 1007.2 1009.5 1008.6 1005.7 1003.3 MAX. QNH PRESSURE IN HPA 1007.0 1005.4 1002.3 1010.8 1011.2 1009.4 1008.2 1008.7 1012.0 1015.5 1016.9 1014.9 1016.9 DAY 9 6 17 13 16 12 31 21 15 28 6 3 MIN. QNH PRESSURE IN HPA 990.5 984.6 982.6 998.8 997.3 997.6 998.3 999.6 1002.9 1002.9 1000.9 987.0 982.6 DAY 18 2 4 4 1 24 8 3 17 30 28 26 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 815.7 814.6 812.8 820.0 822.2 819.8 818.8 819.9 823.2 825.1 824.0 821.8 819.8 MAX. QFE PRESSURE IN HPA 823.0 822.0 819.5 825.8 826.4 825.0 823.8 823.6 827.4 831.0 830.2 828.9 831.0 DAY 9 6 16 13 16 12 30 21 15 28 6 3 MIN. QFE PRESSURE IN HPA 809.0 803.0 800.0 816.0 815.5 814.8 815.0 816.8 819.8 819.0 817.0 806.0 800.0 DAY 18 1 4 4 1 30 8 3 3 30 19 26 MEAN QNH PRESSURE IN HPA 998.4 997.1 995.0 1003.4 1006.1 1003.3 1002.0 1003.3 1007.3 1009.5 1008.2 1005.6 1003.3 MAX. QNH PRESSURE IN HPA 1007.0 1005.8 1002.9 1010.3 1011.0 1009.4 1007.9 1007.7 1012.2 1016.4 1015.5 1014.0 1016.4 DAY 9 6 16 13 16 12 30 21 15 28 6 3 MIN. QNH PRESSURE IN HPA 990.5 983.4 979.9 998.8 998.2 997.3 997.6 999.7 1003.2 1002.3 999.9 987.0 979.9 DAY 18 1 4 4 1 30 8 3 3 30 19 26 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 814.9 813.6 812.6 819.2 821.6 819.2 818.2 819.2 822.7 824.6 823.3 821.3 819.2 MAX. QFE PRESSURE IN HPA 822.1 821.2 819.0 824.5 825.5 825.0 823.2 822.6 826.8 830.0 829.2 828.4 830.0 DAY 9 6 16 11 16 12 30 21 14 28 6 3 MIN. QFE PRESSURE IN HPA 808.6 800.0 799.3 816.0 815.5 813.8 815.0 815.9 819.0 818.0 816.0 805.8 799.3 DAY 28 1 4 4 1 30 8 2 17 30 19 26 MEAN QNH PRESSURE IN HPA 997.5 995.9 994.7 1002.5 1005.3 1002.6 1001.4 1002.5 1006.7 1008.9 1007.4 1005.0 1002.5 MAX. QNH PRESSURE IN HPA 1005.9 1004.9 1002.3 1008.8 1010.0 1009.4 1007.2 1006.5 1011.5 1015.2 1014.3 1013.4 1015.2 DAY 9 6 16 11 16 12 30 21 14 28 6 3 MIN. QNH PRESSURE IN HPA 990.0 979.9 979.1 998.8 998.2 996.2 997.6 998.6 1002.3 1001.1 998.8 986.7 979.1 DAY 28 1 4 4 1 30 8 2 17 30 19 26 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** 819.3 821.3 818.8 817.9 819.0 822.6 824.4 824.3 ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** 823.8 825.1 824.2 823.4 822.2 826.8 829.4 829.0 ****** ****** DAY ** ** ** 12 16 12 30 21 14 28 5 ** MIN. QFE PRESSURE IN HPA ****** ****** ****** 816.0 816.5 813.0 814.0 815.0 819.0 818.0 818.0 ****** ****** DAY ** ** ** 22 1 30 8 29 3 30 10 ** MEAN QNH PRESSURE IN HPA ****** ****** ****** 1002.7 1005.0 1002.1 1001.0 1002.3 1006.5 1008.7 1008.5 ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** 1007.9 1009.5 1008.4 1007.5 1006.1 1011.5 1014.5 1014.1 ****** ****** DAY ** ** ** 12 16 12 30 21 14 28 5 ** MIN. QNH PRESSURE IN HPA ****** ****** ****** 998.8 999.4 995.2 996.4 997.6 1002.3 1001.1 1001.1 ****** ****** DAY ** ** ** 22 1 30 8 29 3 30 10 ** MEAN QFF PRESSURE IN HPA ****** ****** ****** 997.7 996.5 990.4 986.5 988.7 995.0 ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1004.7 1002.8 995.0 991.1 994.8 1000.2 ****** ****** ****** ****** DAY ** ** ** 13 4 3 27 5 30 ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** 993.4 989.7 984.6 981.4 984.0 990.1 ****** ****** ****** ****** DAY ** ** ** 30 27 30 15 2 17 ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** 4.6 14.3 17.8 23.5 28.2 26.4 21.0 16.3 ***** 2.1 ***** MINIMUN AIR TEMPERATURE (C) -9.0 -7.5 0.7 9.4 12.6 17.6 22.4 20.8 16.0 11.3 3.0 -1.3 8.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 3 27 14 4 0 0 0 48 DAYS WITH MINIMUM TEMP. <=-4 26 16 3 0 0 0 0 0 0 0 2 8 55 DAYS WITH FREEZING MIN.<= 0 26 21 11 0 0 0 0 0 0 0 4 18 80 TEMPERATURE RECORDS LOWEST(C) -18.8 -19.6 -10.6 0.6 6.8 13.4 20.2 15.5 9.2 3.8 -7.6 -9.6 -19.6 DAY 4 14 30 1 8 1 7 19 22 24 21 5 MAXIMUM AIR TEMPERATURE (C) -2.0 -0.1 6.8 18.4 21.4 27.4 32.8 30.9 24.9 18.9 9.0 4.0 16.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 0 6 30 26 8 0 0 0 70 DAYS WITH MAXIMUM TEMP. <= 0 20 10 2 0 0 0 0 0 0 0 0 5 37 TEMPERATURE RECORDS HIGHEST(C) 1.6 8.2 14.0 22.0 26.9 32.4 36.5 34.5 31.6 25.6 16.0 10.4 36.5 DAY 19 28 25 17 24 28 21 7 3 5 5 24 DIF. BETWEEN (MAX.-MIN.) (C) 7.0 7.4 6.1 9.0 8.8 9.8 10.4 10.1 8.9 7.6 6.0 5.3 8.0 MEAN DAILY TEMP. (MDT) (C) -5.5 -3.8 3.8 13.9 17.0 22.5 27.6 25.9 20.5 15.1 6.0 1.3 12.0 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 6.8 55.6 204.0 150.8 41.9 0.2 0.0 0.0 459.4 HEATING DEG. DAYS(BASE 18 0C) 531.8 460.1 441.2 122.6 59.9 0.0 0.0 0.0 20.8 101.6 327.5 516.6 2582.1 DEWPOINT (MEAN C) ***** ***** 0.7 2.3 4.9 5.0 5.6 3.4 1.5 1.9 ***** -3.5 ***** MIXING RATIO (G/KG) ****** ****** 5.06 5.72 6.75 6.90 7.46 6.34 5.29 5.61 ****** 3.68 ****** VAPOUR PRESSURE (HPA) ****** ****** 6.60 7.49 8.82 8.98 9.68 8.27 6.93 7.35 ****** 4.82 ****** SATURATION DEF. (HPA) ****** ****** 2.16 9.21 12.15 20.75 29.16 26.87 18.98 11.78 ****** 2.51 ****** RELATIVE HUMIDITY (MEAN %) *** *** 78 48 45 32 26 26 30 42 *** 69 *** RELATIVE HUMIDITY (MAX. %) 79 71 89 62 55 39 38 38 39 56 78 76 60 RELATIVE HUMIDITY (MIN. %) 66 59 68 36 36 26 17 16 23 32 57 62 42 RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** 57 54 37 36 37 38 *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) 71 62 78 42 42 31 25 23 27 41 65 70 48 RELATIVE HUMIDITY (MEAN% 15UTC) *** *** 77 46 37 27 19 19 26 43 67 69 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 38.9 49.4 146.6 20.0 20.7 0.0 0.0 0.0 0.0 47.6 185.4 96.4 605.0 DAYS WITH PRECIPITATION >=10 1 2 6 0 1 0 0 0 0 1 6 4 21 DAYS WITH PRECIPITATION >= 5 4 3 13 2 1 0 0 0 0 3 9 6 41 DAYS WITH PRECIPITATION >= 1 7 5 17 5 3 0 0 0 0 7 14 8 66 DAYS WITH PRECIPITATION 10 6 18 9 6 0 0 1 1 9 15 11 86 GREATEST DAILY PRECIPITATION 10.0 22.0 24.0 7.0 16.0 0.0 0.0 0.0 0.0 24.0 55.0 28.0 55.0 DAY 12 19 9 30 6 ** ** ** ** 30 30 1 DAY WITH THUNDER STORM 0 0 2 4 4 0 0 0 0 4 1 0 15 DAYS WITH SNOW OR SLEET 7 4 8 1 0 0 0 0 0 0 1 6 27 DAYS WITH DUST 0 0 0 2 4 1 1 8 2 6 0 0 24 WIND DIRECTION (PREVAILING) *** *** *** *** 225 225 360 360 225 225 *** 180 *** PREVAILING WIND SPEED(KNOTS) **** **** **** **** 11.2 11.2 11.6 12.4 11.1 16.2 **** 9.3 **** PREVAILING WIND PERCENT ***** ***** ***** ***** 22.6 19.3 40.6 23.2 22.8 40.3 ***** 19.7 ***** CALMS PERCENT OF WIND ***** ***** ***** ***** 19.4 22.7 14.8 25.2 26.8 17.2 ***** 44.3 ***** NO. OF WIND OBSERVATION 87 79 119 87 155 150 155 155 149 134 114 122 1506 VECTOR WIND DIRECTION (MEAN) *** *** *** *** 254 271 345 310 270 223 *** 208 *** VECTOR WIND MAGNITUDE(KNOTS) **** **** **** **** 3.1 3.1 4.4 3.1 2.3 6.8 **** 2.0 **** WIND STEADINESES (MEAN %) ***** ***** ***** ***** 37.8 40.3 48.9 38.3 26.1 59.1 ***** 43.5 ***** WIND SPEED (MEAN KNOTS) **** **** **** **** 8.2 7.7 9.0 8.1 8.8 11.5 **** 4.6 **** FASTEST WIND DIRECTION *** *** *** *** 220 230 360 350 90 230 *** 190 *** FASTEST WIND SPEED (KNOTS) *** *** *** *** 23 21 21 19 27 52 *** 39 *** DAY ** ** ** ** 28 23 26 6 8 18 ** 10 DAYS WITH SKY CLEAR (0-2)/8 13 15 6 11 17 27 28 30 29 17 9 12 214 DAYS WITH P.CLOUDY (3-6)/8 10 8 10 15 13 3 3 1 1 10 12 8 94 DAYS WITH CLOUDY (7-8)/8 7 5 15 4 1 0 0 0 0 4 9 11 56 DAYS WITH VISIBILITY =< 2 KM 7 3 9 1 1 0 0 0 0 0 2 6 29 DURATION OF SUNSHINE HOURS 187.2 194.7 146.1 268.9 328.3 375.1 377.8 366.6 322.6 231.0 159.6 142.3 3100.2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** 818.2 823.1 821.6 818.8 818.1 820.1 821.5 823.2 ****** 819.2 ****** MAX. QFE PRESSURE IN HPA ****** ****** 823.7 828.0 825.2 823.0 822.8 823.2 826.8 828.0 ****** 824.5 ****** DAY-HOUR **-** **-** 1- 6 9- 9 14- 6 26- 9 9- 9 19- 6 24- 6 27- 6 **-** 18- 9 MIN. QFE PRESSURE IN HPA ****** ****** 805.0 817.4 815.5 813.0 813.5 813.0 817.0 815.2 ****** 812.1 ****** DAY-HOUR **-** **-** 29- 6 13- 3 7- 3 9- 3 31-15 1- 3 13- 3 30-12 **-** 4-12 MEAN QNH PRESSURE IN HPA ****** ****** 1001.3 1007.1 1005.4 1002.1 1001.3 1003.6 1005.3 1007.3 ****** 1002.5 ****** MAX. QNH PRESSURE IN HPA ****** ****** 1007.8 1012.9 1009.6 1007.0 1006.8 1007.2 1011.5 1012.9 ****** 1008.8 ****** DAY-HOUR **-** **-** 1- 6 9- 9 14- 6 26- 9 9- 9 19- 6 24- 6 27- 6 **-** 18- 9 MIN. QNH PRESSURE IN HPA ****** ****** 985.8 1000.4 998.2 995.2 995.8 995.2 999.9 997.8 ****** 994.2 ****** DAY-HOUR **-** **-** 29- 6 13- 3 7- 3 9- 3 31-15 1- 3 13- 3 30-12 **-** 4-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** 822.6 821.1 817.9 817.6 819.5 821.0 822.8 ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** 827.6 824.4 821.0 821.4 822.7 826.0 827.0 ****** ****** ****** DAY ** ** ** 9 14 26 9 19 24 27 ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** 817.4 815.5 813.0 814.2 813.0 817.0 818.6 ****** ****** ****** DAY ** ** ** 13 7 9 6 1 13 31 ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** 1006.6 1004.8 1001.0 1000.6 1002.8 1004.7 1006.8 ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** 1012.4 1008.7 1004.7 1005.1 1006.7 1010.5 1011.7 ****** ****** ****** DAY ** ** ** 9 14 26 9 19 24 27 ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** 1000.4 998.2 995.2 996.6 995.2 999.9 1001.8 ****** ****** ****** DAY ** ** ** 13 7 9 6 1 13 31 ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** 1000.0 995.5 988.1 984.4 988.0 993.5 ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1008.9 1000.5 993.1 989.7 994.3 1003.1 ****** ****** ****** ****** DAY ** ** ** 2 14 13 9 19 23 ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** 992.9 988.2 982.3 980.4 980.1 987.9 ****** ****** ****** ****** DAY ** ** ** 13 31 9 5 1 6 ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 820.0 822.6 818.4 823.6 822.1 819.1 818.5 820.3 821.9 823.9 822.1 819.6 821.0 MAX. QFE PRESSURE IN HPA 824.2 828.0 823.7 827.2 825.2 822.0 822.4 823.2 826.8 828.0 825.6 824.2 828.0 DAY 30 25 1 9 14 13 9 19 24 27 3 18 MIN. QFE PRESSURE IN HPA 814.0 816.0 805.0 817.8 816.2 814.0 815.0 813.0 817.7 819.0 817.8 815.0 805.0 DAY 3 1 29 13 7 9 5 1 13 30 15 4 MEAN QNH PRESSURE IN HPA 1003.5 1006.5 1001.6 1007.7 1005.9 1002.4 1001.7 1003.8 1005.7 1008.0 1005.9 1003.0 1004.7 MAX. QNH PRESSURE IN HPA 1008.4 1012.9 1007.8 1012.0 1009.6 1005.8 1006.3 1007.2 1011.5 1012.9 1010.1 1008.4 1012.9 DAY 30 25 1 9 14 13 9 19 24 27 3 18 MIN. QNH PRESSURE IN HPA 996.4 998.8 985.8 1000.9 999.0 996.4 997.6 995.2 1000.8 1002.3 1000.9 997.6 985.8 DAY 3 1 29 13 7 9 5 1 13 30 15 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 820.2 823.0 818.5 823.8 822.2 819.4 818.8 820.6 822.1 823.6 821.9 819.4 821.1 MAX. QFE PRESSURE IN HPA 824.6 828.0 823.0 828.0 825.0 823.0 822.8 823.0 826.7 827.0 825.6 824.5 828.0 DAY 30 25 1 9 14 26 9 19 24 27 3 18 MIN. QFE PRESSURE IN HPA 814.5 816.2 806.0 818.4 816.9 814.4 815.0 814.0 817.8 816.4 817.0 813.6 806.0 DAY 3 1 29 13 7 9 5 1 13 30 15 4 MEAN QNH PRESSURE IN HPA 1003.7 1007.0 1001.7 1007.9 1006.1 1002.8 1002.0 1004.2 1005.9 1007.7 1005.7 1002.7 1004.8 MAX. QNH PRESSURE IN HPA 1008.9 1012.9 1007.0 1012.9 1009.4 1007.0 1006.8 1007.0 1011.4 1011.7 1010.1 1008.8 1012.9 DAY 30 25 1 9 14 26 9 19 24 27 3 18 MIN. QNH PRESSURE IN HPA 997.0 999.0 987.0 1001.6 999.8 996.9 997.6 996.4 1000.9 999.2 999.9 995.9 987.0 DAY 3 1 29 13 7 9 5 1 13 30 15 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 819.6 821.9 818.1 822.9 821.6 819.1 818.2 820.2 821.4 822.9 821.0 818.7 820.5 MAX. QFE PRESSURE IN HPA 823.4 827.1 822.5 827.6 824.0 822.6 822.0 822.7 825.9 826.0 825.0 824.0 827.6 DAY 30 25 6 9 14 3 9 19 24 4 3 18 MIN. QFE PRESSURE IN HPA 814.0 813.2 809.1 818.4 817.2 814.0 814.0 814.2 817.0 815.2 816.0 812.1 809.1 DAY 2 13 28 13 6 10 5 1 13 30 19 4 MEAN QNH PRESSURE IN HPA 1003.0 1005.7 1001.2 1006.9 1005.4 1002.5 1001.3 1003.7 1005.2 1006.8 1004.7 1002.0 1004.0 MAX. QNH PRESSURE IN HPA 1007.5 1011.8 1006.4 1012.4 1008.2 1006.5 1005.8 1006.7 1010.4 1010.5 1009.4 1008.2 1012.4 DAY 30 25 6 9 14 3 9 19 24 4 3 18 MIN. QNH PRESSURE IN HPA 996.4 995.5 990.6 1001.6 1000.2 996.4 996.4 996.6 999.9 997.8 998.8 994.2 990.6 DAY 2 13 28 13 6 10 5 1 13 30 19 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** 817.8 822.7 821.1 818.6 817.6 819.8 821.3 823.0 821.0 819.0 ****** MAX. QFE PRESSURE IN HPA ****** ****** 822.0 826.8 824.0 822.0 821.8 822.3 825.4 826.8 825.0 824.5 ****** DAY ** ** 2 9 14 3 9 26 23 8 3 18 MIN. QFE PRESSURE IN HPA ****** ****** 808.0 819.2 816.0 813.6 813.5 814.0 817.0 817.0 816.0 812.1 ****** DAY ** ** 29 12 6 9 31 1 13 30 19 4 MEAN QNH PRESSURE IN HPA ****** ****** 1000.9 1006.7 1004.7 1001.8 1000.7 1003.3 1005.0 1006.9 1004.6 1002.3 ****** MAX. QNH PRESSURE IN HPA ****** ****** 1005.8 1011.5 1008.2 1005.8 1005.6 1006.2 1009.8 1011.5 1009.4 1008.8 ****** DAY ** ** 2 9 14 3 9 26 23 8 3 18 MIN. QNH PRESSURE IN HPA ****** ****** 989.3 1002.5 998.8 995.9 995.8 996.4 999.9 999.9 998.8 994.2 ****** DAY ** ** 29 12 6 9 31 1 13 30 19 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** 999.9 995.4 988.7 984.6 988.7 994.0 ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1008.4 1001.1 993.8 990.5 993.7 1002.9 ****** ****** ****** ****** DAY ** ** ** 1 8 1 9 19 22 ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** 993.7 987.5 984.0 980.2 982.1 988.4 ****** ****** ****** ****** DAY ** ** ** 23 30 8 31 1 6 ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** ***** 9.1 16.4 22.9 26.4 25.1 22.8 14.2 10.2 2.2 ***** MINIMUN AIR TEMPERATURE (C) -6.1 -5.4 0.0 5.2 11.0 17.3 21.1 19.1 17.5 10.0 6.0 -0.2 8.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 2 19 6 0 0 0 0 27 DAYS WITH MINIMUM TEMP. <=-4 21 21 4 0 0 0 0 0 0 0 0 8 54 DAYS WITH FREEZING MIN.<= 0 29 26 11 3 0 0 0 0 0 0 5 14 88 TEMPERATURE RECORDS LOWEST(C) -11.6 -10.0 -11.2 -1.6 3.8 13.3 15.4 15.0 15.0 2.6 -1.0 -11.4 -11.6 DAY 10 2 17 3 3 19 5 2 21 15 13 27 MAXIMUM AIR TEMPERATURE (C) -1.8 -0.3 7.3 12.4 20.3 26.7 30.7 30.1 27.4 18.1 13.8 4.7 15.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 0 2 20 15 0 0 0 0 37 DAYS WITH MAXIMUM TEMP. <= 0 23 18 1 0 0 0 0 0 0 0 0 11 53 TEMPERATURE RECORDS HIGHEST(C) 3.0 6.0 13.4 23.0 26.8 30.2 35.0 34.8 29.4 23.5 19.8 13.8 35.0 DAY 13 27 23 27 31 26 17 14 9 11 7 2 DIF. BETWEEN (MAX.-MIN.) (C) 4.3 5.1 7.3 7.2 9.3 9.4 9.6 11.0 9.9 8.1 7.8 4.9 7.8 MEAN DAILY TEMP. (MDT) (C) -3.9 -2.9 3.7 8.8 15.7 22.0 25.9 24.6 22.4 14.1 9.9 2.2 11.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 1.1 44.8 153.6 111.8 43.0 0.0 0.0 0.0 354.4 HEATING DEG. DAYS(BASE 18 0C) 636.4 502.5 389.4 275.6 94.9 0.3 0.0 0.0 0.0 124.7 243.8 489.2 2756.8 DEWPOINT (MEAN C) ***** ***** ***** 0.2 2.2 3.5 6.4 3.7 -3.0 1.9 -2.1 -4.9 ***** MIXING RATIO (G/KG) ****** ****** ****** 4.84 5.78 6.23 7.61 6.37 3.88 5.45 4.17 3.49 ****** VAPOUR PRESSURE (HPA) ****** ****** ****** 6.30 7.53 8.11 9.90 8.31 5.09 7.17 5.51 4.59 ****** SATURATION DEF. (HPA) ****** ****** ****** 5.89 11.95 20.39 25.39 24.46 23.16 9.55 7.32 3.15 ****** RELATIVE HUMIDITY (MEAN %) *** *** *** 58 42 30 30 28 19 48 45 64 *** RELATIVE HUMIDITY (MAX. %) 82 86 75 69 52 39 40 39 27 59 57 74 58 RELATIVE HUMIDITY (MIN. %) 70 78 53 47 33 23 22 18 12 37 34 53 40 RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** 66 49 38 38 37 26 55 53 68 *** RELATIVE HUMIDITY (MEAN% 09UTC) 74 81 58 53 39 28 29 27 16 44 42 61 46 RELATIVE HUMIDITY (MEAN% 15UTC) 78 80 65 54 36 24 23 19 16 46 43 64 46 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 132.1 23.6 95.2 121.4 14.0 2.6 0.0 0.0 0.0 19.0 15.2 81.4 504.5 DAYS WITH PRECIPITATION >=10 4 0 3 4 0 0 0 0 0 0 1 4 16 DAYS WITH PRECIPITATION >= 5 5 0 4 5 2 0 0 0 0 2 1 5 24 DAYS WITH PRECIPITATION >= 1 10 7 12 7 3 1 0 0 0 4 3 7 54 DAYS WITH PRECIPITATION 14 13 15 11 4 2 0 0 0 7 4 11 81 GREATEST DAILY PRECIPITATION 36.0 4.4 28.0 33.0 6.0 2.0 0.0 0.0 0.0 7.0 11.0 20.0 36.0 DAY 4 18 11 13 11 15 ** ** ** 29 12 24 DAY WITH THUNDER STORM 0 0 1 0 1 1 0 0 0 2 0 0 5 DAYS WITH SNOW OR SLEET 10 12 4 2 0 0 0 0 0 0 0 7 35 DAYS WITH DUST 1 0 0 0 0 2 0 0 0 0 0 0 3 WIND DIRECTION (PREVAILING) *** *** *** 270 360 360 360 360 270 225 180 225 *** PREVAILING WIND SPEED(KNOTS) **** **** **** 10.9 7.7 7.5 7.5 9.4 6.7 9.4 12.2 13.7 **** PREVAILING WIND PERCENT ***** ***** ***** 23.8 28.4 24.8 42.6 25.8 16.0 11.6 16.7 20.0 ***** CALMS PERCENT OF WIND ***** ***** ***** 28.6 20.0 23.5 21.9 28.4 43.3 46.5 49.3 22.6 ***** NO. OF WIND OBSERVATION 111 108 116 147 155 149 155 155 150 155 150 155 1706 VECTOR WIND DIRECTION (MEAN) *** *** *** 224 242 269 354 313 269 245 206 253 *** VECTOR WIND MAGNITUDE(KNOTS) **** **** **** 5.5 1.1 2.3 3.5 2.9 1.8 2.0 3.1 3.8 **** WIND STEADINESES (MEAN %) ***** ***** ***** 63.2 16.2 38.3 67.3 48.3 42.9 43.5 62.0 44.2 ***** WIND SPEED (MEAN KNOTS) **** **** **** 8.7 6.8 6.0 5.2 6.0 4.2 4.6 5.0 8.6 **** FASTEST WIND DIRECTION *** *** *** 180 180 220 330 270 340 320 200 210 *** FASTEST WIND SPEED (KNOTS) *** *** *** 49 25 25 16 23 17 23 31 27 *** DAY ** ** ** 2 2 3 12 26 2 15 9 6 DAYS WITH SKY CLEAR (0-2)/8 8 4 12 7 22 30 29 31 30 17 19 12 221 DAYS WITH P.CLOUDY (3-6)/8 12 9 13 17 6 0 2 0 0 10 7 11 87 DAYS WITH CLOUDY (7-8)/8 11 15 6 6 3 0 0 0 0 4 4 8 57 DAYS WITH VISIBILITY =< 2 KM 5 7 4 4 0 0 0 0 0 0 0 2 22 DURATION OF SUNSHINE HOURS 123.5 101.5 199.4 227.5 315.2 380.3 309.4 ****** 260.8 225.6 ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** 817.0 818.5 818.0 819.9 820.6 822.2 825.6 826.9 822.9 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** 823.1 823.1 822.3 824.8 823.7 826.5 830.5 833.8 828.8 ****** DAY-HOUR **-** **-** **-** 25- 6 16- 6 4-12 15- 9 4- 6 23- 6 16- 3 23- 6 7- 9 MIN. QFE PRESSURE IN HPA ****** ****** ****** 805.0 810.0 813.0 815.8 817.9 818.0 818.0 820.7 810.4 ****** DAY-HOUR **-** **-** **-** 2- 3 12-15 15- 3 5-15 8- 3 4- 3 14- 3 9-12 24-12 MEAN QNH PRESSURE IN HPA ****** ****** ****** 1000.0 1001.7 1001.2 1003.4 1004.2 1006.0 1010.0 1011.6 1006.9 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** 1007.1 1007.1 1006.2 1009.1 1007.8 1011.1 1015.8 1019.7 1013.8 ****** DAY-HOUR **-** **-** **-** 25- 6 16- 6 4-12 15- 9 4- 6 23- 6 16- 3 23- 6 7- 9 MIN. QNH PRESSURE IN HPA ****** ****** ****** 985.8 991.7 995.2 998.5 1001.0 1001.1 1001.1 1004.3 992.2 ****** DAY-HOUR **-** **-** **-** 2- 3 12-15 15- 3 5-15 8- 3 4- 3 14- 3 9-12 24-12 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 ****** ****** ****** 816.4 817.8 817.4 819.6 820.2 821.4 825.0 826.4 822.3 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** 822.1 822.0 820.9 823.2 822.8 825.0 830.5 833.0 827.4 ****** DAY ** ** ** 25 16 5 16 29 23 16 23 7 MIN. QFE PRESSURE IN HPA ****** ****** ****** 805.0 810.0 813.0 816.6 817.9 818.0 818.0 821.0 812.0 ****** DAY ** ** ** 2 13 15 2 8 4 14 9 25 MEAN QNH PRESSURE IN HPA ****** ****** ****** 999.2 1000.9 1000.4 1003.0 1003.7 1005.1 1009.4 1011.1 1006.2 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** 1005.9 1005.8 1004.5 1007.2 1006.8 1009.4 1015.8 1018.8 1012.2 ****** DAY ** ** ** 25 16 5 16 29 23 16 23 7 MIN. QNH PRESSURE IN HPA ****** ****** ****** 985.8 991.7 995.2 999.5 1001.0 1001.1 1001.1 1004.7 994.0 ****** DAY ** ** ** 2 13 15 2 8 4 14 9 25 MEAN QFF PRESSURE IN HPA ****** ****** ****** 995.9 992.6 987.7 988.0 989.7 993.1 1002.7 1007.3 1007.6 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1002.4 998.1 992.7 992.2 993.6 998.3 1015.0 1017.8 1021.0 ****** DAY ** ** ** 8 16 5 8 29 23 16 14 28 MIN. QFF PRESSURE IN HPA ****** ****** ****** 983.9 984.6 981.2 984.5 985.0 987.8 992.6 997.6 999.8 ****** DAY ** ** ** 2 2 26 29 15 5 14 9 25 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 818.7 816.5 819.9 817.3 818.9 818.5 820.4 821.2 822.5 826.2 827.4 823.4 820.9 MAX. QFE PRESSURE IN HPA 826.1 824.0 827.2 823.1 823.1 822.0 824.0 823.7 826.5 830.5 833.8 828.0 833.8 DAY 26 8 9 25 16 4 15 4 23 16 23 7 MIN. QFE PRESSURE IN HPA 811.8 807.0 815.1 808.5 811.0 813.7 817.2 818.7 818.9 819.5 821.0 813.8 807.0 DAY 1 19 2 2 13 15 5 8 4 14 9 25 MEAN QNH PRESSURE IN HPA 1002.0 999.4 1003.4 1000.3 1002.2 1001.7 1003.9 1004.8 1006.4 1010.8 1012.2 1007.5 1004.5 MAX. QNH PRESSURE IN HPA 1010.7 1008.2 1012.0 1007.1 1007.1 1005.8 1008.2 1007.8 1011.1 1015.8 1019.7 1012.9 1019.7 DAY 26 8 9 25 16 4 15 4 23 16 23 7 MIN. QNH PRESSURE IN HPA 993.8 988.2 997.7 989.9 992.9 996.1 1000.2 1001.9 1002.2 1002.9 1004.7 996.2 988.2 DAY 1 19 2 2 13 15 5 8 4 14 9 25 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 818.3 816.6 820.5 817.5 819.0 818.6 820.5 821.1 822.8 826.1 827.4 823.4 821.0 MAX. QFE PRESSURE IN HPA 826.1 824.0 828.6 823.0 822.5 822.0 824.8 823.5 826.2 830.0 833.2 828.8 833.2 DAY 26 8 9 24 16 4 15 4 23 15 23 7 MIN. QFE PRESSURE IN HPA 811.0 805.9 815.8 808.8 811.1 813.7 816.8 818.7 819.9 819.9 821.6 814.2 805.9 DAY 4 15 11 1 12 15 5 8 4 14 9 24 MEAN QNH PRESSURE IN HPA 1001.5 999.5 1004.1 1000.5 1002.3 1001.8 1004.0 1004.8 1006.8 1010.7 1012.1 1007.5 1004.6 MAX. QNH PRESSURE IN HPA 1010.7 1008.2 1013.6 1007.0 1006.4 1005.8 1009.1 1007.6 1010.8 1015.2 1019.0 1013.8 1019.0 DAY 26 8 9 24 16 4 15 4 23 15 23 7 MIN. QNH PRESSURE IN HPA 992.9 986.9 998.5 990.3 993.0 996.1 999.7 1001.9 1003.4 1003.4 1005.4 996.6 986.9 DAY 4 15 11 1 12 15 5 8 4 14 9 24 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 817.5 815.6 819.5 817.1 818.5 818.0 819.8 820.4 822.2 825.3 826.6 822.6 820.3 MAX. QFE PRESSURE IN HPA 825.0 822.0 828.0 822.0 821.3 822.3 824.0 823.0 825.5 830.0 832.6 827.8 832.6 DAY 26 7 9 24 15 4 15 16 27 15 22 7 MIN. QFE PRESSURE IN HPA 809.4 805.0 815.4 808.0 811.1 813.3 816.2 818.2 819.0 819.0 820.7 810.4 805.0 DAY 4 15 11 1 12 15 5 8 4 14 9 24 MEAN QNH PRESSURE IN HPA 1000.6 998.3 1002.9 1000.1 1001.7 1001.1 1003.2 1004.0 1006.0 1009.7 1011.2 1006.5 1003.8 MAX. QNH PRESSURE IN HPA 1009.4 1005.8 1012.9 1005.8 1005.0 1006.2 1008.2 1007.0 1010.0 1015.2 1018.3 1012.7 1018.3 DAY 26 7 9 24 15 4 15 16 27 15 22 7 MIN. QNH PRESSURE IN HPA 991.0 985.8 998.1 989.3 993.0 995.6 999.0 1001.4 1002.3 1002.3 1004.3 992.2 985.8 DAY 4 15 11 1 12 15 5 8 4 14 9 24 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 817.9 816.1 819.6 817.0 818.1 817.7 819.4 820.4 822.1 825.3 826.8 822.8 820.3 MAX. QFE PRESSURE IN HPA 825.0 822.3 827.0 822.0 821.0 822.3 823.8 823.0 825.5 830.0 833.0 827.4 833.0 DAY 26 7 9 24 27 4 15 16 27 15 22 7 MIN. QFE PRESSURE IN HPA 810.1 807.0 816.0 807.8 810.0 813.3 815.8 818.0 818.7 820.0 821.0 811.2 807.0 DAY 4 15 11 1 12 15 5 8 4 13 9 24 MEAN QNH PRESSURE IN HPA 1001.0 998.9 1003.1 999.9 1001.3 1000.8 1002.7 1003.9 1005.9 1009.7 1011.5 1006.8 1003.8 MAX. QNH PRESSURE IN HPA 1009.4 1006.2 1011.7 1005.8 1004.7 1006.2 1007.9 1007.0 1010.0 1015.2 1018.8 1012.2 1018.8 DAY 26 7 9 24 27 4 15 16 27 15 22 7 MIN. QNH PRESSURE IN HPA 991.8 988.2 998.8 989.1 991.7 995.6 998.5 1001.1 1001.9 1003.5 1004.7 993.1 988.2 DAY 4 15 11 1 12 15 5 8 4 13 9 24 MEAN QFF PRESSURE IN HPA ****** ****** ****** 996.5 992.8 988.1 987.8 990.0 994.1 1003.1 1007.8 1008.3 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1004.9 997.1 994.3 992.1 993.4 999.0 1014.6 1017.9 1020.3 ****** DAY ** ** ** 4 7 4 15 29 27 15 13 27 MIN. QFF PRESSURE IN HPA ****** ****** ****** 985.6 984.9 982.9 985.0 984.9 988.6 994.5 998.8 997.4 ****** DAY ** ** ** 1 12 13 29 14 4 13 8 24 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 SARDASHT (40725) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 9 N LONGITUDE 45 30 E DATA PROCESSING CENTER ELEVATION 1670.0 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** 4.2 11.2 15.1 22.3 25.8 26.4 21.7 14.7 ***** ***** ***** MINIMUN AIR TEMPERATURE (C) -4.4 -5.4 1.1 7.2 10.3 16.9 20.2 16.2 16.5 10.8 4.9 -3.8 7.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 2 12 4 1 0 0 0 19 DAYS WITH MINIMUM TEMP. <=-4 17 16 5 0 0 0 0 0 0 0 0 14 52 DAYS WITH FREEZING MIN.<= 0 28 24 14 1 0 0 0 0 0 0 0 29 96 TEMPERATURE RECORDS LOWEST(C) -9.4 -11.0 -9.0 0.0 3.4 12.7 16.0 9.6 10.6 7.4 1.6 -9.0 -11.0 DAY 25 7 11 11 24 5 12 13 27 16 24 15 MAXIMUM AIR TEMPERATURE (C) -0.3 -0.5 6.5 14.8 18.6 26.6 30.3 31.2 25.9 17.5 11.0 1.1 15.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 0 6 19 21 2 0 0 0 48 DAYS WITH MAXIMUM TEMP. <= 0 17 13 4 0 0 0 0 0 0 0 0 11 45 TEMPERATURE RECORDS HIGHEST(C) 6.6 8.0 19.2 23.4 23.2 32.0 36.0 37.2 31.2 22.6 16.2 9.2 37.2 DAY 7 26 30 25 27 25 31 1 1 8 2 9 DIF. BETWEEN (MAX.-MIN.) (C) 4.1 4.9 5.4 7.6 8.3 9.7 10.1 15.0 9.4 6.7 6.1 4.9 7.6 MEAN DAILY TEMP. (MDT) (C) -2.3 -2.9 3.8 11.0 14.4 21.8 25.2 23.7 21.2 14.2 7.9 -1.3 11.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 0.0 47.7 131.7 91.7 33.6 0.0 0.0 0.0 304.8 HEATING DEG. DAYS(BASE 18 0C) 610.3 526.9 424.2 211.7 111.7 0.5 0.0 0.6 3.2 119.9 301.6 561.2 2871.9 DEWPOINT (MEAN C) ***** ***** -1.9 1.1 1.4 6.0 8.8 8.7 6.3 6.8 ***** ***** ***** MIXING RATIO (G/KG) ****** ****** 4.20 5.19 5.30 7.44 8.84 8.79 7.45 7.62 ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** 5.49 6.79 6.92 9.67 11.47 11.41 9.74 9.98 ****** ****** ****** SATURATION DEF. (HPA) ****** ****** 3.33 7.14 10.62 18.07 22.48 24.01 16.86 7.15 ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** 68 54 42 36 35 35 39 62 *** *** *** RELATIVE HUMIDITY (MAX. %) 76 70 79 70 53 46 44 44 50 72 79 93 65 RELATIVE HUMIDITY (MIN. %) 66 58 59 40 32 27 27 26 29 53 57 85 47 RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** 64 50 44 42 41 46 64 *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) 70 63 68 50 40 37 36 35 36 62 65 88 54 RELATIVE HUMIDITY (MEAN% 15UTC) 69 62 66 49 34 28 27 28 34 60 *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 62.7 143.2 126.0 137.9 13.3 0.8 0.0 0.0 0.0 64.8 91.1 323.2 963.0 DAYS WITH PRECIPITATION >=10 2 4 3 5 0 0 0 0 0 3 1 7 25 DAYS WITH PRECIPITATION >= 5 6 5 8 9 1 0 0 0 0 4 2 9 44 DAYS WITH PRECIPITATION >= 1 9 8 10 12 4 0 0 0 0 6 5 12 66 DAYS WITH PRECIPITATION 14 9 13 14 4 1 0 0 0 11 6 15 87 GREATEST DAILY PRECIPITATION 14.0 57.0 43.0 34.0 7.0 0.8 0.0 0.0 0.0 20.0 79.0 98.0 98.0 DAY 2 26 23 4 16