STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. 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(MDT) (C) ***** -8.6 2.3 11.7 15.5 21.4 25.5 24.7 19.0 14.6 5.8 0.7 ***** COOLING DEG. DAYS(BASE 21 0C)****** 0.0 0.0 0.0 0.9 44.6 140.6 115.0 25.7 1.5 0.0 0.0 ****** HEATING DEG. DAYS(BASE 18 0C)****** 531.3 486.4 189.7 92.9 7.5 0.0 0.0 32.8 115.1 365.8 534.8 ****** DEWPOINT (MEAN C) ***** ***** -1.7 -0.8 0.3 -1.8 1.3 1.3 -0.2 0.0 0.8 -2.5 ***** MIXING RATIO (G/KG) ****** ****** 4.28 4.59 5.04 4.28 5.38 5.42 4.72 4.83 5.14 4.01 ****** VAPOUR PRESSURE (HPA) ****** ****** 5.53 5.95 6.51 5.52 6.92 6.98 6.11 6.27 6.65 5.19 ****** SATURATION DEF. (HPA) ****** ****** 2.24 10.18 14.68 26.00 32.26 29.53 20.84 13.35 4.18 2.47 ****** RELATIVE HUMIDITY (MEAN %) *** *** 76 41 35 20 20 22 27 37 63 70 *** RELATIVE HUMIDITY (MAX. %) *** 84 88 65 51 33 32 37 40 50 76 86 *** RELATIVE HUMIDITY (MIN. %) *** 66 60 26 24 12 12 13 19 27 51 56 *** RELATIVE HUMIDITY (MEAN% 03UTC) *** 82 83 64 50 33 31 37 40 49 74 81 *** RELATIVE HUMIDITY (MEAN% 09UTC) *** 70 72 33 30 17 16 18 23 31 57 64 *** RELATIVE HUMIDITY (MEAN% 15UTC) *** 74 73 36 29 14 15 14 22 33 62 68 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. ****** 36.0 83.9 14.1 14.0 1.0 0.0 0.0 0.0 13.0 41.1 62.5 ****** DAYS WITH PRECIPITATION >=10 **** 2 4 0 1 0 0 0 0 0 2 2 **** DAYS WITH PRECIPITATION >= 5 **** 2 5 1 1 0 0 0 0 1 3 5 **** DAYS WITH PRECIPITATION >= 1 **** 7 13 5 2 1 0 0 0 4 6 7 **** DAYS WITH PRECIPITATION **** 7 14 6 4 1 0 0 0 4 8 8 **** GREATEST DAILY PRECIPITATION ****** 14.0 21.0 7.0 10.0 1.0 0.0 0.0 0.0 5.0 17.0 23.0 ****** DAY ** 19 11 30 7 7 ** ** ** 31 15 1 DAY WITH THUNDER STORM **** 0 1 0 0 1 0 0 0 0 0 0 **** DAYS WITH SNOW OR SLEET **** 7 5 0 0 0 0 0 0 0 0 1 **** DAYS WITH DUST **** 1 0 0 3 5 4 3 5 13 2 0 **** WIND DIRECTION (PREVAILING) *** *** 225 270 270 270 135 225 270 225 270 225 *** PREVAILING WIND SPEED(KNOTS) **** **** 14.7 13.3 11.3 10.0 12.1 10.9 11.8 13.6 14.9 11.2 **** PREVAILING WIND PERCENT ***** ***** 20.6 18.0 23.9 26.7 29.7 18.1 24.7 21.3 33.3 24.5 ***** CALMS PERCENT OF WIND ***** ***** 41.9 31.3 19.4 24.0 18.1 24.5 33.3 27.7 44.0 42.6 ***** NO. OF WIND OBSERVATION **** 100 155 150 155 150 155 155 150 155 150 155 1630 VECTOR WIND DIRECTION (MEAN) *** *** 233 244 256 248 163 214 245 245 249 240 *** VECTOR WIND MAGNITUDE(KNOTS) **** **** 3.3 3.5 4.8 4.3 4.2 3.0 4.2 5.6 5.9 3.9 **** WIND STEADINESES (MEAN %) ***** ***** 55.0 46.1 57.1 64.2 45.2 42.9 61.8 66.7 76.6 79.6 ***** WIND SPEED (MEAN KNOTS) **** **** 6.0 7.6 8.4 6.7 9.3 7.0 6.8 8.4 7.7 4.9 **** FASTEST WIND DIRECTION *** *** 240 240 250 270 240 70 240 280 180 240 *** FASTEST WIND SPEED (KNOTS) *** *** 35 31 31 25 21 23 27 29 31 27 *** DAY ** ** 31 13 6 9 6 18 10 2 19 8 DAYS WITH SKY CLEAR (0-2)/8 **** 9 6 9 20 29 29 24 29 24 12 13 **** DAYS WITH P.CLOUDY (3-6)/8 **** 5 10 19 11 1 2 6 1 5 11 14 **** DAYS WITH CLOUDY (7-8)/8 **** 6 13 2 0 0 0 1 0 2 7 4 **** DAYS WITH VISIBILITY =< 2 KM **** 5 13 0 0 0 0 0 0 0 2 2 **** DURATION OF SUNSHINE HOURS ****** 109.0 120.2 242.5 275.5 ****** ****** ****** ****** ****** 201.5 117.0 ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. 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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 ****** 811.2 808.5 813.0 811.2 808.8 808.6 808.7 811.0 813.7 812.6 809.9 ****** MAX. QFE PRESSURE IN HPA ****** 818.2 813.8 817.0 813.1 812.1 812.0 811.9 816.3 818.1 815.7 814.0 ****** DAY ** 25 1 9 14 26 9 19 24 27 29 19 MIN. QFE PRESSURE IN HPA ****** 804.5 798.0 809.2 806.0 804.5 805.2 803.7 806.9 809.9 808.9 805.0 ****** DAY ** 14 29 24 7 10 17 1 13 31 16 5 MEAN QNH PRESSURE IN HPA ****** 1021.3 1018.0 1023.5 1021.3 1018.4 1018.1 1018.3 1021.1 1024.3 1023.0 1019.7 ****** MAX. QNH PRESSURE IN HPA ****** 1029.8 1024.5 1028.3 1023.6 1022.4 1022.3 1022.2 1027.5 1029.6 1026.8 1024.7 ****** DAY ** 25 1 9 14 26 9 19 24 27 29 19 MIN. 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QNH PRESSURE IN HPA ****** 1012.7 1004.2 1018.1 1017.7 1012.8 1013.5 1011.4 1015.7 1018.9 1018.2 1013.0 ****** DAY ** 13 29 29 7 10 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 ****** 811.1 808.4 812.2 810.3 807.6 807.3 807.3 809.4 812.4 811.7 809.2 ****** MAX. QFE PRESSURE IN HPA ****** 818.0 814.0 817.0 812.4 811.1 810.2 810.4 814.3 815.8 815.0 814.6 ****** DAY ** 25 7 9 14 3 9 26 24 4 3 18 MIN. 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QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 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 ****** 811.2 808.3 812.4 810.0 807.3 806.9 807.1 809.6 813.0 812.0 809.6 ****** MAX. QFE PRESSURE IN HPA ****** 817.9 813.2 817.0 812.4 810.5 809.9 810.0 814.0 817.0 815.0 815.4 ****** DAY ** 25 7 9 25 3 8 26 23 4 3 18 MIN. 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QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) -4.9 -4.1 3.8 10.4 18.3 24.2 26.6 26.4 23.4 14.3 10.2 1.4 12.5 MINIMUN AIR TEMPERATURE (C) -10.3 -10.0 -3.0 2.7 7.9 12.3 16.6 15.5 12.5 6.4 3.2 -4.5 4.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 4 1 0 0 0 0 5 DAYS WITH MINIMUM TEMP. <=-4 25 25 12 3 0 0 0 0 0 0 1 14 80 DAYS WITH FREEZING MIN.<= 0 31 28 23 11 0 0 0 0 0 0 8 21 122 TEMPERATURE RECORDS LOWEST(C) -26.8 -18.0 -13.0 -4.0 3.0 6.0 10.0 11.0 11.0 1.0 -4.0 -27.0 -27.0 DAY 27 1 17 5 8 1 5 9 2 15 14 28 MAXIMUM AIR TEMPERATURE (C) -0.5 0.9 8.7 15.5 23.7 29.8 32.6 33.3 29.7 19.5 15.4 6.4 17.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 1 16 26 30 17 0 0 0 90 DAYS WITH MAXIMUM TEMP. <= 0 17 11 2 0 0 0 0 0 0 0 0 6 36 TEMPERATURE RECORDS HIGHEST(C) 5.0 6.0 15.0 25.0 30.0 34.0 36.0 37.0 32.0 24.0 21.0 17.0 37.0 DAY 1 18 23 27 24 25 16 13 9 1 3 2 DIF. BETWEEN (MAX.-MIN.) (C) 9.8 10.9 11.7 12.8 15.8 17.5 16.0 17.8 17.2 13.1 12.2 10.9 13.8 MEAN DAILY TEMP. (MDT) (C) -5.4 -4.6 2.8 9.1 15.8 21.1 24.6 24.4 21.1 12.9 9.3 0.9 11.0 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 0.0 32.0 113.7 105.0 15.0 0.0 0.0 0.0 265.7 HEATING DEG. DAYS(BASE 18 0C) 725.7 632.5 470.2 268.0 83.4 2.0 0.0 0.0 0.0 157.7 260.0 530.0 3129.5 DEWPOINT (MEAN C) -8.1 -7.1 -2.3 1.8 9.3 3.0 8.1 5.3 2.2 0.6 -2.4 -7.8 0.2 MIXING RATIO (G/KG) 2.77 2.91 4.13 5.67 9.80 6.09 8.57 7.23 5.81 5.20 4.05 2.91 5.43 VAPOUR PRESSURE (HPA) 3.58 3.76 5.35 7.30 12.53 7.83 10.97 9.28 7.49 6.73 5.26 3.77 6.99 SATURATION DEF. (HPA) 0.97 0.97 3.16 6.24 9.60 23.70 25.59 27.12 22.69 10.26 7.72 4.32 11.86 RELATIVE HUMIDITY (MEAN %) 80 80 68 57 58 27 33 30 27 42 43 54 50 RELATIVE HUMIDITY (MAX. %) 87 88 81 73 68 41 49 45 38 58 58 66 63 RELATIVE HUMIDITY (MIN. %) 70 70 54 46 50 19 23 18 20 30 32 44 40 RELATIVE HUMIDITY (MEAN% 03UTC) 81 82 78 69 66 41 49 45 37 55 56 62 60 RELATIVE HUMIDITY (MEAN% 09UTC) 78 79 61 52 55 23 30 26 25 35 40 50 46 RELATIVE HUMIDITY (MEAN% 15UTC) 80 82 65 57 58 22 24 19 21 40 36 52 46 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 45.8 28.2 101.5 68.8 8.0 0.0 5.0 0.0 0.0 30.0 6.0 16.0 309.3 DAYS WITH PRECIPITATION >=10 1 0 3 3 0 0 0 0 0 1 0 0 8 DAYS WITH PRECIPITATION >= 5 4 3 8 3 1 0 0 0 0 3 1 2 25 DAYS WITH PRECIPITATION >= 1 11 6 12 10 2 0 2 0 0 4 1 3 51 DAYS WITH PRECIPITATION 14 7 13 12 2 0 2 0 0 4 1 3 58 GREATEST DAILY PRECIPITATION 11.0 7.0 27.0 29.0 7.0 0.0 3.0 0.0 0.0 16.0 6.0 8.0 29.0 DAY 8 19 14 2 12 ** 6 ** ** 29 12 26 DAY WITH THUNDER STORM 0 0 1 0 0 0 0 0 0 0 0 0 1 DAYS WITH SNOW OR SLEET 6 5 6 0 0 0 0 0 0 0 0 3 20 DAYS WITH DUST 1 1 1 7 12 4 3 4 0 4 1 0 38 WIND DIRECTION (PREVAILING) 225 225 225 270 225 225 135 225 270 225 225 270 225 PREVAILING WIND SPEED(KNOTS) 12.8 10.6 14.4 12.0 19.3 14.8 11.1 12.3 9.1 13.5 13.5 13.3 14.2 PREVAILING WIND PERCENT 23.2 12.1 16.1 27.3 23.9 19.3 23.2 20.0 24.0 21.3 16.0 21.9 18.2 CALMS PERCENT OF WIND 56.8 62.1 36.8 26.7 29.0 34.0 30.3 38.1 39.3 49.0 56.7 48.4 42.1 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 234 205 246 256 245 254 141 236 244 245 253 253 242 VECTOR WIND MAGNITUDE(KNOTS) 3.5 2.4 3.0 7.0 7.3 5.4 3.1 3.0 3.8 3.9 3.4 5.5 3.9 WIND STEADINESES (MEAN %) 79.5 70.6 42.9 69.3 70.2 66.7 50.0 47.6 71.7 67.2 75.6 82.1 60.0 WIND SPEED (MEAN KNOTS) 4.4 3.4 7.0 10.1 10.4 8.1 6.2 6.3 5.3 5.8 4.5 6.7 6.5 FASTEST WIND DIRECTION 240 170 240 240 240 240 110 220 240 210 300 310 240 FASTEST WIND SPEED (KNOTS) 27 29 31 39 49 29 21 27 27 29 31 29 49 DAY 6 19 31 15 2 15 17 15 15 25 8 17 DAYS WITH SKY CLEAR (0-2)/8 6 6 7 7 18 29 21 29 30 18 16 10 197 DAYS WITH P.CLOUDY (3-6)/8 13 9 12 17 10 1 10 2 0 10 13 13 110 DAYS WITH CLOUDY (7-8)/8 12 13 12 6 3 0 0 0 0 3 1 8 58 DAYS WITH VISIBILITY =< 2 KM 5 10 1 0 0 1 0 0 0 0 0 1 18 DURATION OF SUNSHINE HOURS ****** ****** 218.0 266.6 347.9 ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 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 808.9 806.8 810.5 808.1 809.6 808.2 807.3 808.2 810.4 813.4 813.8 811.2 809.7 MAX. QFE PRESSURE IN HPA 817.4 814.9 818.1 814.1 814.5 813.1 812.0 812.1 815.1 819.0 820.7 818.5 820.7 DAY-HOUR 26- 6 8- 6 10- 6 25- 6 16- 6 4- 6 15- 6 29- 6 27- 6 16- 6 23- 6 28- 6 MIN. QFE PRESSURE IN HPA 802.1 796.6 804.9 798.7 801.4 802.0 803.0 804.0 806.3 807.0 808.1 800.0 796.6 DAY-HOUR 1-12 15-12 24-12 2- 3 12-15 26-12 2- 9 8-15 4-15 14- 3 12-12 25- 3 MEAN QNH PRESSURE IN HPA 1018.6 1016.0 1020.5 1017.6 1019.4 1017.8 1016.6 1017.7 1020.3 1024.0 1024.5 1021.3 1019.5 MAX. QNH PRESSURE IN HPA 1028.8 1025.8 1029.6 1024.8 1025.3 1023.6 1022.3 1022.4 1026.0 1030.7 1032.8 1030.1 1032.8 DAY-HOUR 26- 6 8- 6 10- 6 25- 6 16- 6 4- 6 15- 6 29- 6 27- 6 16- 6 23- 6 28- 6 MIN. QNH PRESSURE IN HPA 1010.4 1003.7 1013.7 1006.3 1009.5 1010.2 1011.4 1012.7 1015.4 1016.3 1017.6 1007.8 1003.7 DAY-HOUR 1-12 15-12 24-12 2- 3 12-15 26-12 2- 9 8-15 4-15 14- 3 12-12 25- 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 808.7 806.5 810.7 808.2 809.8 808.9 808.0 808.9 810.9 813.7 813.8 811.1 809.9 MAX. QFE PRESSURE IN HPA 816.0 813.8 817.6 813.7 813.9 812.6 811.4 811.8 814.4 818.0 819.0 817.2 819.0 DAY 26 8 10 25 16 5 16 29 27 16 23 28 MIN. QFE PRESSURE IN HPA 802.7 796.9 806.3 798.7 802.2 804.0 804.6 806.2 807.7 807.0 808.2 800.0 796.9 DAY 18 10 24 2 13 27 2 7 4 14 12 25 MEAN QNH PRESSURE IN HPA 1018.3 1015.7 1020.7 1017.7 1019.6 1018.6 1017.4 1018.6 1021.0 1024.4 1024.5 1021.2 1019.8 MAX. QNH PRESSURE IN HPA 1027.1 1024.5 1029.0 1024.3 1024.6 1023.0 1021.6 1022.1 1025.2 1029.5 1030.7 1028.6 1030.7 DAY 26 8 10 25 16 5 16 29 27 16 23 28 MIN. QNH PRESSURE IN HPA 1011.1 1004.1 1015.4 1006.3 1010.5 1012.7 1013.4 1015.3 1017.1 1016.3 1017.7 1007.8 1004.1 DAY 18 10 24 2 13 27 2 7 4 14 12 25 MEAN QFF PRESSURE IN HPA 1025.7 1022.5 1021.0 1012.8 1008.5 1003.6 999.9 1001.6 1006.8 1017.0 1020.1 1023.7 1013.6 MAX. QFF PRESSURE IN HPA 1046.3 1033.8 1034.3 1020.2 1015.4 1009.8 1006.2 1006.8 1012.1 1026.8 1032.6 1052.0 1052.0 DAY 27 1 21 8 15 1 9 30 28 16 14 28 MIN. QFF PRESSURE IN HPA 1013.5 1003.1 1009.3 1000.4 997.4 995.3 995.9 996.5 1001.6 1005.6 1011.0 1009.4 995.3 DAY 4 19 24 29 12 27 28 15 10 14 12 25 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 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 809.6 807.3 811.4 808.8 810.5 809.3 808.2 809.3 811.4 814.4 814.8 812.1 810.6 MAX. QFE PRESSURE IN HPA 817.4 814.9 818.1 814.1 814.5 813.1 812.0 812.1 815.1 819.0 820.7 818.5 820.7 DAY 26 8 10 25 16 4 15 29 27 16 23 28 MIN. QFE PRESSURE IN HPA 804.0 797.6 806.1 799.8 803.2 803.9 804.6 806.4 808.2 807.5 809.2 802.0 797.6 DAY 18 19 24 2 13 26 2 8 4 14 12 25 MEAN QNH PRESSURE IN HPA 1019.4 1016.7 1021.6 1018.4 1020.4 1019.0 1017.8 1019.0 1021.6 1025.2 1025.6 1022.4 1020.6 MAX. QNH PRESSURE IN HPA 1028.8 1025.8 1029.6 1024.8 1025.3 1023.6 1022.3 1022.4 1026.0 1030.7 1032.8 1030.1 1032.8 DAY 26 8 10 25 16 4 15 29 27 16 23 28 MIN. QNH PRESSURE IN HPA 1012.7 1004.9 1015.2 1007.6 1011.7 1012.5 1013.4 1015.5 1017.7 1016.9 1018.9 1010.2 1004.9 DAY 18 19 24 2 13 26 2 8 4 14 12 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 809.3 807.2 810.8 808.3 809.8 808.4 807.6 808.4 810.6 813.6 814.1 811.4 810.0 MAX. QFE PRESSURE IN HPA 816.6 814.4 817.8 813.5 814.0 812.6 811.4 811.0 813.8 817.6 820.1 817.6 820.1 DAY 26 8 9 25 16 4 15 4 27 19 23 28 MIN. QFE PRESSURE IN HPA 803.6 797.7 805.7 800.6 802.4 803.4 803.0 805.1 807.9 808.0 808.2 801.6 797.7 DAY 24 10 14 2 12 26 2 8 4 14 12 25 MEAN QNH PRESSURE IN HPA 1019.1 1016.5 1020.8 1017.8 1019.7 1018.0 1017.0 1018.0 1020.7 1024.2 1024.8 1021.6 1019.8 MAX. QNH PRESSURE IN HPA 1027.8 1025.2 1029.3 1024.1 1024.7 1023.0 1021.6 1021.1 1024.5 1029.0 1032.1 1029.0 1032.1 DAY 26 8 9 25 16 4 15 4 27 19 23 28 MIN. QNH PRESSURE IN HPA 1012.2 1005.1 1014.7 1008.6 1010.7 1011.9 1011.4 1014.0 1017.4 1017.5 1017.7 1009.8 1005.1 DAY 24 10 14 2 12 26 2 8 4 14 12 25 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 808.3 806.3 809.7 807.5 809.0 807.4 806.5 807.2 809.4 812.6 813.0 810.5 808.9 MAX. QFE PRESSURE IN HPA 816.7 813.0 817.4 812.4 812.9 812.1 810.5 810.5 812.7 816.6 818.6 817.0 818.6 DAY 26 8 9 25 16 4 15 4 27 19 22 28 MIN. QFE PRESSURE IN HPA 802.1 796.6 804.9 800.9 802.3 802.0 803.0 804.1 806.5 808.0 808.1 802.3 796.6 DAY 1 15 24 1 13 26 2 8 4 1 12 24 MEAN QNH PRESSURE IN HPA 1017.8 1015.4 1019.5 1016.9 1018.7 1016.7 1015.7 1016.5 1019.2 1023.0 1023.5 1020.5 1018.6 MAX. QNH PRESSURE IN HPA 1028.0 1023.5 1028.8 1022.8 1023.4 1022.4 1020.5 1020.5 1023.1 1027.8 1030.2 1028.3 1030.2 DAY 26 8 9 25 16 4 15 4 27 19 22 28 MIN. QNH PRESSURE IN HPA 1010.4 1003.7 1013.7 1008.9 1010.6 1010.2 1011.4 1012.8 1015.7 1017.5 1017.6 1010.6 1003.7 DAY 1 15 24 1 13 26 2 8 4 1 12 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 GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 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 808.6 806.6 810.2 807.7 808.9 807.3 806.1 807.2 809.5 812.9 813.5 810.9 809.1 MAX. QFE PRESSURE IN HPA 815.8 812.6 817.8 812.4 812.6 812.5 810.5 810.7 813.1 817.0 819.4 817.4 819.4 DAY 26 8 9 24 16 4 15 4 27 15 22 28 MIN. QFE PRESSURE IN HPA 802.5 796.7 805.1 800.5 801.4 802.0 803.0 804.0 806.3 808.9 808.7 800.9 796.7 DAY 1 15 24 1 12 26 2 8 4 1 1 24 MEAN QNH PRESSURE IN HPA 1018.2 1015.8 1020.1 1017.2 1018.6 1016.6 1015.2 1016.5 1019.3 1023.4 1024.1 1020.9 1018.8 MAX. QNH PRESSURE IN HPA 1026.9 1023.0 1029.3 1022.8 1023.0 1022.9 1020.5 1020.7 1023.6 1028.3 1031.2 1028.8 1031.2 DAY 26 8 9 24 16 4 15 4 27 15 22 28 MIN. QNH PRESSURE IN HPA 1010.8 1003.8 1014.0 1008.4 1009.5 1010.2 1011.4 1012.7 1015.4 1018.6 1018.3 1008.9 1003.8 DAY 1 15 24 1 12 26 2 8 4 1 1 24 MEAN QFF PRESSURE IN HPA 1025.7 1022.4 1020.2 1011.9 1006.7 1001.4 997.5 999.4 1005.0 1016.0 1019.8 1023.6 1012.5 MAX. QFF PRESSURE IN HPA 1044.3 1033.6 1031.2 1018.7 1011.8 1008.3 1004.1 1003.2 1010.2 1025.7 1029.6 1050.7 1050.7 DAY 26 8 20 8 16 4 8 29 27 15 14 28 MIN. QFF PRESSURE IN HPA 1010.9 1005.1 1008.4 1003.3 999.1 993.8 993.9 994.3 1000.9 1008.1 1010.6 1011.8 993.8 DAY 1 15 24 15 12 26 29 14 4 1 9 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 GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) -4.1 -3.3 4.8 12.8 16.0 23.2 27.0 27.1 21.6 13.9 8.3 -2.6 12.1 MINIMUN AIR TEMPERATURE (C) -9.3 -9.4 -1.0 4.5 7.8 12.5 17.0 16.9 11.7 6.9 1.9 -7.1 4.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 6 1 0 0 0 0 7 DAYS WITH MINIMUM TEMP. <=-4 28 19 11 0 0 0 0 0 0 0 1 19 78 DAYS WITH FREEZING MIN.<= 0 31 28 20 5 1 0 0 0 0 0 14 24 123 TEMPERATURE RECORDS LOWEST(C) -18.0 -20.0 -10.0 -1.0 0.0 9.0 12.0 11.4 3.4 3.8 -5.8 -19.8 -20.0 DAY 1 10 10 13 6 1 8 27 27 30 27 18 MAXIMUM AIR TEMPERATURE (C) -0.1 1.0 8.7 17.5 21.0 28.7 33.1 33.2 27.6 18.6 13.3 0.8 16.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 0 12 30 29 12 0 0 0 83 DAYS WITH MAXIMUM TEMP. <= 0 16 14 2 0 0 0 0 0 0 0 0 14 46 TEMPERATURE RECORDS HIGHEST(C) 6.0 11.0 18.0 24.0 25.0 34.0 37.0 37.0 33.6 22.8 20.2 10.8 37.0 DAY 21 26 30 25 1 30 30 9 1 7 3 9 DIF. BETWEEN (MAX.-MIN.) (C) 9.2 10.4 9.7 13.0 13.2 16.2 16.1 16.3 15.9 11.7 11.4 7.9 12.5 MEAN DAILY TEMP. (MDT) (C) -4.7 -4.2 3.9 11.0 14.4 20.6 25.0 25.0 19.6 12.7 7.6 -3.2 10.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 0.0 24.5 119.5 127.2 17.8 0.0 0.0 0.0 289.0 HEATING DEG. DAYS(BASE 18 0C) 703.1 622.0 438.6 209.3 112.5 2.5 0.0 0.0 20.3 162.9 311.9 656.3 3239.4 DEWPOINT (MEAN C) -8.4 -7.9 -1.8 -0.1 0.8 4.8 6.4 8.5 -0.1 0.5 -1.5 -6.5 -0.4 MIXING RATIO (G/KG) 2.61 2.80 4.33 4.87 5.14 6.93 7.74 8.81 4.94 5.07 4.30 3.12 5.06 VAPOUR PRESSURE (HPA) 3.38 3.62 5.58 6.29 6.62 8.91 9.90 11.27 6.39 6.58 5.58 4.03 6.51 SATURATION DEF. (HPA) 1.33 1.59 3.66 9.31 12.37 20.85 27.43 26.49 21.12 9.88 5.91 1.48 11.78 RELATIVE HUMIDITY (MEAN %) 74 72 66 45 38 33 30 33 27 44 53 76 49 RELATIVE HUMIDITY (MAX. %) 81 82 83 68 56 50 44 48 43 64 72 86 65 RELATIVE HUMIDITY (MIN. %) 65 61 52 30 28 22 19 24 16 30 37 67 38 RELATIVE HUMIDITY (MEAN% 03UTC) 74 76 79 61 54 50 44 46 42 62 70 78 61 RELATIVE HUMIDITY (MEAN% 09UTC) 73 69 62 39 32 27 27 31 23 37 47 75 45 RELATIVE HUMIDITY (MEAN% 15UTC) 72 71 60 37 31 25 20 25 19 38 47 79 44 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 36.0 74.0 83.0 45.0 7.2 2.0 0.0 0.0 0.0 30.9 4.0 82.5 364.6 DAYS WITH PRECIPITATION >=10 2 1 4 2 0 0 0 0 0 1 0 4 14 DAYS WITH PRECIPITATION >= 5 2 5 6 2 1 0 0 0 0 3 0 6 25 DAYS WITH PRECIPITATION >= 1 6 9 13 4 2 2 0 0 0 5 2 10 53 DAYS WITH PRECIPITATION 6 9 13 4 2 2 0 0 0 8 2 15 61 GREATEST DAILY PRECIPITATION 19.0 36.0 23.0 25.0 6.0 1.0 0.0 0.0 0.0 12.0 2.0 22.0 36.0 DAY 14 27 7 4 17 22 ** ** ** 16 11 12 DAY WITH THUNDER STORM 0 0 0 2 0 0 0 0 0 2 0 1 5 DAYS WITH SNOW OR SLEET 4 4 3 0 0 0 0 0 0 0 0 6 17 DAYS WITH DUST 0 0 0 7 13 9 6 6 2 0 0 0 43 WIND DIRECTION (PREVAILING) 225 270 225 270 270 270 135 135 270 225 225 225 225 PREVAILING WIND SPEED(KNOTS) 12.5 8.4 12.2 14.0 16.4 12.6 11.3 11.4 14.1 11.4 13.9 12.3 13.2 PREVAILING WIND PERCENT 16.8 14.3 12.3 25.3 32.9 20.7 18.1 25.8 22.7 16.1 24.0 27.7 16.2 CALMS PERCENT OF WIND 63.9 47.9 35.5 20.7 21.3 24.0 25.8 27.7 34.0 45.8 56.0 58.1 38.4 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 237 235 233 262 274 251 188 179 255 245 230 220 243 VECTOR WIND MAGNITUDE(KNOTS) 3.0 2.7 1.8 7.2 8.3 2.3 2.2 2.8 3.7 2.6 4.3 4.4 3.4 WIND STEADINESES (MEAN %) 78.9 61.4 35.3 67.9 72.2 29.9 29.7 37.3 46.2 47.3 81.1 89.8 50.0 WIND SPEED (MEAN KNOTS) 3.8 4.4 5.1 10.6 11.5 7.7 7.4 7.5 8.0 5.5 5.3 4.9 6.8 FASTEST WIND DIRECTION 230 240 220 270 220 250 150 280 250 250 240 210 220 FASTEST WIND SPEED (KNOTS) 27 31 39 35 39 27 31 21 33 23 33 27 39 DAY 27 4 7 17 2 2 22 7 19 10 1 9 DAYS WITH SKY CLEAR (0-2)/8 7 7 4 7 14 25 28 31 29 15 16 16 199 DAYS WITH P.CLOUDY (3-6)/8 9 10 11 11 12 5 3 0 1 8 10 5 85 DAYS WITH CLOUDY (7-8)/8 11 11 16 12 5 0 0 0 0 8 4 10 77 DAYS WITH VISIBILITY =< 2 KM 9 3 1 0 3 0 0 0 0 1 0 10 27 DURATION OF SUNSHINE HOURS ****** ****** ****** 250.5 320.5 358.3 372.6 ****** ****** 206.6 ****** 87.4 ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 809.2 809.2 807.8 810.1 808.4 808.3 806.2 807.4 811.7 813.7 813.1 808.3 809.4 MAX. QFE PRESSURE IN HPA 816.8 817.9 814.8 815.6 813.2 813.6 810.8 811.1 815.7 817.8 817.6 815.9 817.9 DAY-HOUR 13- 6 15- 6 29- 6 19- 9 25- 6 23- 3 11- 6 9- 6 15- 6 20- 6 24- 6 17- 6 MIN. QFE PRESSURE IN HPA 797.4 802.5 796.2 802.2 802.6 801.6 801.1 803.0 806.0 809.2 807.4 797.4 796.2 DAY-HOUR 26- 3 4- 3 6-12 4- 9 22-15 11-12 13-15 11-15 3-12 15- 3 4- 9 31-15 MEAN QNH PRESSURE IN HPA 1018.9 1019.0 1017.2 1020.0 1018.0 1017.9 1015.4 1016.7 1021.9 1024.3 1023.6 1017.9 1019.2 MAX. QNH PRESSURE IN HPA 1028.1 1029.4 1025.7 1026.6 1023.7 1024.2 1020.8 1021.2 1026.8 1029.3 1029.0 1027.0 1029.4 DAY-HOUR 13- 6 15- 6 29- 6 19- 9 25- 6 23- 3 11- 6 9- 6 15- 6 20- 6 24- 6 17- 6 MIN. QNH PRESSURE IN HPA 1004.7 1010.8 1003.2 1010.5 1011.0 1009.8 1009.2 1011.4 1015.1 1018.9 1016.8 1004.7 1003.2 DAY-HOUR 26- 3 4- 3 6-12 4- 9 22-15 11-12 13-15 11-15 3-12 15- 3 4- 9 31-15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 809.0 808.9 807.6 810.1 808.6 809.0 807.0 808.1 812.1 813.7 813.3 808.3 809.6 MAX. QFE PRESSURE IN HPA 816.1 816.1 813.1 814.4 813.1 813.6 809.9 810.5 815.2 816.8 816.2 814.8 816.8 DAY 13 15 29 19 25 23 12 8 16 20 24 17 MIN. QFE PRESSURE IN HPA 797.4 802.5 798.5 804.8 803.4 803.2 803.4 804.7 807.9 809.2 808.7 802.9 797.4 DAY 26 4 6 5 22 12 14 12 8 15 4 28 MEAN QNH PRESSURE IN HPA 1018.6 1018.6 1017.0 1020.0 1018.2 1018.6 1016.3 1017.5 1022.4 1024.4 1023.8 1017.8 1019.4 MAX. QNH PRESSURE IN HPA 1027.2 1027.2 1023.6 1025.2 1023.6 1024.2 1019.8 1020.5 1026.2 1028.1 1027.4 1025.7 1028.1 DAY 13 15 29 19 25 23 12 8 16 20 24 17 MIN. QNH PRESSURE IN HPA 1004.7 1010.8 1006.0 1013.6 1011.9 1011.7 1011.9 1013.5 1017.4 1018.9 1018.3 1011.3 1004.7 DAY 26 4 6 5 22 12 14 12 8 15 4 28 MEAN QFF PRESSURE IN HPA 1025.5 1024.8 1015.8 1013.2 1008.8 1004.2 998.7 1000.0 1009.4 1016.8 1020.7 1023.0 1013.4 MAX. QFF PRESSURE IN HPA 1038.3 1040.0 1027.7 1021.6 1020.1 1010.6 1005.2 1005.1 1018.7 1022.5 1029.7 1038.8 1040.0 DAY 12 15 11 19 25 1 12 27 27 21 27 18 MIN. QFF PRESSURE IN HPA 1011.2 1012.5 1004.8 1004.2 1001.9 996.6 993.4 995.0 1000.6 1008.5 1008.4 1010.4 993.4 DAY 26 4 6 9 22 11 23 6 19 15 4 1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 809.8 809.9 808.5 810.8 809.2 809.3 807.4 808.4 812.8 814.6 814.1 809.1 810.3 MAX. QFE PRESSURE IN HPA 816.8 817.9 814.8 815.1 813.2 813.6 810.8 811.1 815.7 817.8 817.6 815.9 817.9 DAY 13 15 29 19 25 23 11 9 15 20 24 17 MIN. QFE PRESSURE IN HPA 799.2 803.5 797.1 804.2 804.7 803.6 803.4 805.0 808.5 809.7 808.0 803.1 797.1 DAY 26 4 6 4 22 11 15 12 19 15 4 31 MEAN QNH PRESSURE IN HPA 1019.7 1019.7 1018.1 1020.9 1018.9 1019.0 1016.7 1018.0 1023.3 1025.4 1024.8 1018.8 1020.3 MAX. QNH PRESSURE IN HPA 1028.1 1029.4 1025.7 1026.0 1023.7 1024.2 1020.8 1021.2 1026.8 1029.3 1029.0 1027.0 1029.4 DAY 13 15 29 19 25 23 11 9 15 20 24 17 MIN. QNH PRESSURE IN HPA 1006.9 1012.0 1004.3 1012.9 1013.5 1012.2 1011.9 1013.9 1018.1 1019.5 1017.5 1011.6 1004.3 DAY 26 4 6 4 22 11 15 12 19 15 4 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 809.4 809.8 808.2 810.4 808.7 808.6 806.5 807.6 812.0 814.0 813.3 808.5 809.7 MAX. QFE PRESSURE IN HPA 816.2 817.9 814.3 815.6 812.5 812.8 810.0 810.2 815.0 817.2 817.0 814.9 817.9 DAY 12 15 29 19 25 23 11 9 17 27 24 17 MIN. QFE PRESSURE IN HPA 801.5 803.3 797.2 802.2 803.7 802.6 802.7 804.3 807.2 809.5 807.4 800.7 797.2 DAY 26 4 6 4 22 11 15 25 3 15 4 31 MEAN QNH PRESSURE IN HPA 1019.2 1019.6 1017.7 1020.4 1018.3 1018.2 1015.7 1017.0 1022.3 1024.7 1023.9 1018.0 1019.6 MAX. QNH PRESSURE IN HPA 1027.4 1029.4 1025.1 1026.6 1022.9 1023.3 1019.9 1020.1 1025.9 1028.6 1028.3 1025.8 1029.4 DAY 12 15 29 19 25 23 11 9 17 27 24 17 MIN. QNH PRESSURE IN HPA 1009.6 1011.8 1004.4 1010.5 1012.3 1011.0 1011.1 1013.0 1016.5 1019.3 1016.8 1008.7 1004.4 DAY 26 4 6 4 22 11 15 25 3 15 4 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 808.5 808.6 807.2 809.6 807.9 807.6 805.4 806.4 810.8 812.9 812.1 807.7 808.7 MAX. QFE PRESSURE IN HPA 815.6 817.2 812.8 814.1 811.9 812.4 808.7 809.4 813.4 816.3 815.6 813.9 817.2 DAY 12 15 29 19 8 22 11 31 15 27 24 17 MIN. QFE PRESSURE IN HPA 800.7 802.8 796.2 802.5 803.3 801.6 801.4 803.3 806.0 809.2 807.4 798.5 796.2 DAY 25 20 6 4 22 11 15 12 3 15 4 31 MEAN QNH PRESSURE IN HPA 1018.1 1018.2 1016.5 1019.4 1017.4 1017.0 1014.3 1015.6 1020.8 1023.3 1022.4 1017.1 1018.3 MAX. QNH PRESSURE IN HPA 1026.6 1028.6 1023.3 1024.8 1022.2 1022.8 1018.3 1019.2 1024.0 1027.5 1026.6 1024.6 1028.6 DAY 12 15 29 19 8 22 11 31 15 27 24 17 MIN. QNH PRESSURE IN HPA 1008.7 1011.2 1003.2 1010.8 1011.8 1009.8 1009.5 1011.8 1015.1 1018.9 1016.8 1006.0 1003.2 DAY 25 20 6 4 22 11 15 12 3 15 4 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 809.1 809.1 807.4 809.7 807.7 807.3 805.0 806.3 810.9 813.1 812.5 808.2 808.9 MAX. QFE PRESSURE IN HPA 816.4 817.2 812.2 813.9 811.3 813.0 808.4 809.6 813.6 816.8 815.9 814.2 817.2 DAY 12 15 29 18 24 22 11 31 15 27 24 17 MIN. QFE PRESSURE IN HPA 800.8 802.8 796.8 803.0 802.6 801.6 801.1 803.0 806.0 809.2 807.7 797.4 796.8 DAY 25 20 6 4 22 11 13 11 3 15 30 31 MEAN QNH PRESSURE IN HPA 1018.8 1018.8 1016.7 1019.5 1017.1 1016.6 1013.8 1015.4 1021.0 1023.7 1022.9 1017.7 1018.5 MAX. QNH PRESSURE IN HPA 1027.6 1028.6 1022.5 1024.6 1021.5 1023.5 1018.0 1019.4 1024.2 1028.1 1027.0 1024.9 1028.6 DAY 12 15 29 18 24 22 11 31 15 27 24 17 MIN. QNH PRESSURE IN HPA 1008.8 1011.2 1004.0 1011.4 1011.0 1009.8 1009.2 1011.4 1015.1 1018.9 1017.1 1004.7 1004.0 DAY 25 20 6 4 22 11 13 11 3 15 30 31 MEAN QFF PRESSURE IN HPA 1025.5 1024.9 1015.3 1012.5 1007.7 1002.0 996.1 997.6 1008.2 1016.1 1019.9 1023.0 1012.4 MAX. QFF PRESSURE IN HPA 1039.0 1040.6 1026.7 1019.3 1015.7 1009.6 1002.6 1002.8 1015.4 1021.0 1027.6 1036.0 1040.6 DAY 12 14 11 18 24 22 11 31 26 20 24 18 MIN. QFF PRESSURE IN HPA 1013.2 1013.1 1003.5 1002.2 1001.7 995.0 990.9 993.7 998.8 1010.5 1009.1 1009.3 990.9 DAY 24 20 6 9 16 11 23 11 3 15 4 31 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 GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) -8.9 -4.6 -2.8 9.3 13.0 20.7 27.0 23.8 19.7 14.8 7.5 0.0 10.0 MINIMUN AIR TEMPERATURE (C) -13.5 -9.1 -7.6 2.9 6.3 11.9 17.0 14.0 10.3 5.6 1.0 -3.8 2.9 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 1 0 0 0 0 0 1 DAYS WITH MINIMUM TEMP. <=-4 29 23 21 0 0 0 0 0 0 0 3 15 91 DAYS WITH FREEZING MIN.<= 0 31 26 29 8 1 0 0 0 0 0 8 23 126 TEMPERATURE RECORDS LOWEST(C) -25.4 -19.8 -22.6 -3.2 -0.2 8.0 11.2 7.8 3.8 1.4 -8.6 -13.6 -25.4 DAY 29 17 11 3 5 6 12 30 29 31 27 29 MAXIMUM AIR TEMPERATURE (C) -5.3 -1.3 0.6 13.7 17.7 25.4 32.6 30.0 25.0 20.1 12.0 3.0 14.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 0 2 27 17 0 0 0 0 46 DAYS WITH MAXIMUM TEMP. <= 0 29 19 15 0 0 0 0 0 0 0 0 9 72 TEMPERATURE RECORDS HIGHEST(C) 1.8 5.4 10.4 19.6 26.2 32.4 35.0 34.6 27.8 23.8 17.6 11.0 35.0 DAY 20 24 29 12 29 30 27 5 3 3 20 12 DIF. BETWEEN (MAX.-MIN.) (C) 8.2 7.8 8.2 10.8 11.4 13.5 15.6 16.0 14.7 14.5 11.0 6.8 11.5 MEAN DAILY TEMP. (MDT) (C) -9.4 -5.2 -3.5 8.3 12.0 18.7 24.8 22.0 17.6 12.8 6.5 -0.4 8.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 0.0 6.8 118.4 52.9 0.0 0.0 0.0 0.0 178.1 HEATING DEG. DAYS(BASE 18 0C) 848.2 672.6 666.9 291.6 189.7 18.1 0.0 5.2 27.5 160.2 345.3 569.8 3795.2 DEWPOINT (MEAN C) -13.1 -9.3 -6.8 -1.2 2.3 2.9 2.2 2.6 -3.5 -4.0 -4.0 -6.7 -3.2 MIXING RATIO (G/KG) 1.88 2.51 3.09 4.50 5.75 5.99 5.71 5.95 3.72 3.62 3.74 3.04 4.13 VAPOUR PRESSURE (HPA) 2.43 3.24 3.99 5.80 7.42 7.71 7.34 7.66 4.83 4.70 4.85 3.93 5.33 SATURATION DEF. (HPA) 0.97 1.37 1.39 6.47 8.45 17.77 29.97 23.57 19.28 12.86 6.08 2.46 10.89 RELATIVE HUMIDITY (MEAN %) 73 71 76 53 53 34 22 29 22 29 47 62 48 RELATIVE HUMIDITY (MAX. %) 82 82 86 75 76 53 34 45 33 41 62 73 62 RELATIVE HUMIDITY (MIN. %) 65 61 66 35 36 22 14 17 15 21 35 53 37 RELATIVE HUMIDITY (MEAN% 03UTC) 76 74 82 70 72 52 33 45 33 40 59 69 59 RELATIVE HUMIDITY (MEAN% 09UTC) 70 69 72 46 44 29 19 25 20 26 41 59 43 RELATIVE HUMIDITY (MEAN% 15UTC) 74 74 74 46 47 25 16 19 16 23 44 60 43 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 31.1 48.2 52.9 35.4 76.2 3.1 0.0 0.0 0.0 0.0 33.2 62.7 342.8 DAYS WITH PRECIPITATION >=10 0 2 1 0 3 0 0 0 0 0 1 2 9 DAYS WITH PRECIPITATION >= 5 2 3 4 4 6 0 0 0 0 0 2 5 26 DAYS WITH PRECIPITATION >= 1 9 7 9 7 11 1 0 0 0 0 2 10 56 DAYS WITH PRECIPITATION 12 11 13 11 16 4 0 0 0 0 8 15 90 GREATEST DAILY PRECIPITATION 7.0 19.0 15.0 9.0 19.0 2.0 0.0 0.0 0.0 0.0 23.0 22.0 23.0 DAY 21 24 31 18 6 8 ** ** ** ** 25 3 DAY WITH THUNDER STORM 0 0 0 2 7 3 0 0 0 0 0 0 12 DAYS WITH SNOW OR SLEET 7 11 8 3 0 0 0 0 0 0 1 9 39 DAYS WITH DUST 0 1 0 1 6 4 3 3 3 5 3 1 30 WIND DIRECTION (PREVAILING) 225 225 225 270 270 270 225 90 225 270 225 225 225 PREVAILING WIND SPEED(KNOTS) 13.5 15.1 13.6 13.4 13.5 12.8 10.5 9.8 12.4 12.1 17.4 11.8 13.9 PREVAILING WIND PERCENT 19.4 32.4 18.7 33.3 16.8 19.3 20.6 12.3 17.3 25.2 35.3 18.7 20.0 CALMS PERCENT OF WIND 54.8 31.0 50.3 18.0 30.3 30.7 32.3 36.8 30.7 44.5 40.7 51.0 37.7 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 222 216 238 246 248 243 198 129 232 264 227 230 232 VECTOR WIND MAGNITUDE(KNOTS) 3.9 7.3 3.7 8.2 2.9 4.3 3.7 0.9 2.6 3.7 6.9 3.7 4.1 WIND STEADINESES (MEAN %) 76.5 83.0 69.8 77.4 39.2 55.1 56.9 15.8 39.4 62.7 88.5 71.2 59.4 WIND SPEED (MEAN KNOTS) 5.1 8.8 5.3 10.6 7.4 7.8 6.5 5.7 6.6 5.9 7.8 5.2 6.9 FASTEST WIND DIRECTION 200 210 220 220 270 280 190 270 270 240 220 220 220 FASTEST WIND SPEED (KNOTS) 27 33 25 47 27 27 23 23 25 31 41 25 47 DAY 16 21 22 13 10 4 10 6 14 26 23 13 DAYS WITH SKY CLEAR (0-2)/8 15 6 9 8 6 22 26 29 28 29 14 5 197 DAYS WITH P.CLOUDY (3-6)/8 10 17 12 16 16 7 3 1 2 1 13 13 111 DAYS WITH CLOUDY (7-8)/8 6 6 10 6 9 1 2 1 0 1 3 13 58 DAYS WITH VISIBILITY =< 2 KM 4 10 9 1 4 0 0 0 0 0 1 1 30 DURATION OF SUNSHINE HOURS 118.5 136.5 153.3 224.6 220.0 303.0 330.9 317.7 314.5 289.7 158.7 99.5 2666.9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 808.0 805.6 808.0 808.1 809.7 807.9 807.1 809.2 811.8 812.9 812.3 808.9 809.1 MAX. QFE PRESSURE IN HPA 817.2 813.4 817.1 812.6 815.3 813.7 812.6 814.7 816.0 817.5 819.7 814.6 819.7 DAY-HOUR 10- 6 16- 6 12- 9 21- 6 29- 6 11- 9 6- 6 31- 6 2- 6 29- 6 4- 6 1- 6 MIN. QFE PRESSURE IN HPA 793.7 796.8 798.5 800.3 802.0 803.6 802.3 802.9 808.2 808.9 801.1 804.2 793.7 DAY-HOUR 30-12 24-12 31- 3 18- 3 4- 3 27-12 19-15 18-15 17-12 6-15 25- 3 3-12 MEAN QNH PRESSURE IN HPA 1017.5 1014.6 1017.4 1017.5 1019.5 1017.4 1016.4 1018.9 1022.1 1023.4 1022.6 1018.5 1018.8 MAX. QNH PRESSURE IN HPA 1028.6 1024.0 1028.4 1023.0 1026.3 1024.3 1023.0 1025.5 1027.1 1028.9 1031.6 1025.4 1031.6 DAY-HOUR 10- 6 16- 6 12- 9 21- 6 29- 6 11- 9 6- 6 31- 6 2- 6 29- 6 4- 6 1- 6 MIN. QNH PRESSURE IN HPA 1000.2 1004.0 1006.0 1008.2 1010.2 1012.2 1010.6 1011.3 1017.7 1018.6 1009.2 1012.9 1000.2 DAY-HOUR 30-12 24-12 31- 3 18- 3 4- 3 27-12 19-15 18-15 17-12 6-15 25- 3 3-12 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 807.7 805.3 807.6 808.1 809.9 808.3 807.8 810.0 812.1 813.1 812.2 808.7 809.2 MAX. QFE PRESSURE IN HPA 816.3 813.1 815.9 812.4 814.5 813.1 812.0 814.3 815.0 816.5 818.8 814.0 818.8 DAY 10 16 12 21 14 11 6 31 2 29 4 1 MIN. QFE PRESSURE IN HPA 799.0 799.0 798.5 800.3 802.0 805.2 804.2 804.8 809.0 810.0 801.1 805.3 798.5 DAY 31 24 31 18 4 17 20 1 18 7 25 3 MEAN QNH PRESSURE IN HPA 1017.1 1014.2 1017.0 1017.5 1019.7 1017.8 1017.2 1019.9 1022.4 1023.6 1022.5 1018.3 1018.9 MAX. QNH PRESSURE IN HPA 1027.5 1023.6 1027.0 1022.8 1025.3 1023.6 1022.3 1025.1 1025.9 1027.7 1030.5 1024.7 1030.5 DAY 10 16 12 21 14 11 6 31 2 29 4 1 MIN. QNH PRESSURE IN HPA 1006.6 1006.6 1006.0 1008.2 1010.2 1014.1 1012.9 1013.6 1018.7 1019.9 1009.2 1014.2 1006.0 DAY 31 24 31 18 4 17 20 1 18 7 25 3 MEAN QFF PRESSURE IN HPA 1028.2 1021.0 1022.9 1013.3 1012.7 1004.9 1000.0 1004.9 1011.0 1016.2 1020.1 1021.2 1014.7 MAX. QFF PRESSURE IN HPA 1047.1 1036.7 1044.9 1022.1 1020.2 1011.6 1006.1 1015.0 1017.9 1024.1 1028.2 1032.6 1047.1 DAY 10 16 12 20 2 11 12 31 30 29 18 29 MIN. QFF PRESSURE IN HPA 1011.4 1004.3 1006.5 1006.2 1003.7 998.3 995.2 995.1 1006.3 1011.5 1006.1 1013.3 995.1 DAY 1 24 30 18 4 17 20 1 17 11 25 14 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 808.7 806.1 808.5 808.8 810.4 808.6 808.1 810.4 812.8 814.0 813.1 809.7 809.9 MAX. QFE PRESSURE IN HPA 817.2 813.4 816.9 812.6 815.3 813.6 812.6 814.7 816.0 817.5 819.7 814.6 819.7 DAY 10 16 12 21 29 11 6 31 2 29 4 1 MIN. QFE PRESSURE IN HPA 799.0 799.3 800.0 801.7 803.2 805.6 804.5 805.1 809.9 811.0 801.3 805.3 799.0 DAY 30 24 31 18 4 27 19 1 17 7 25 3 MEAN QNH PRESSURE IN HPA 1018.3 1015.2 1018.1 1018.4 1020.4 1018.2 1017.6 1020.4 1023.3 1024.7 1023.7 1019.5 1019.8 MAX. QNH PRESSURE IN HPA 1028.6 1024.0 1028.2 1023.0 1026.3 1024.2 1023.0 1025.5 1027.1 1028.9 1031.6 1025.4 1031.6 DAY 10 16 12 21 29 11 6 31 2 29 4 1 MIN. QNH PRESSURE IN HPA 1006.6 1007.0 1007.8 1009.9 1011.7 1014.6 1013.3 1014.0 1019.8 1021.1 1009.4 1014.2 1006.6 DAY 30 24 31 18 4 27 19 1 17 7 25 3 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 808.4 806.1 808.5 808.4 809.9 808.3 807.4 809.5 812.1 813.1 812.5 809.0 809.4 MAX. QFE PRESSURE IN HPA 816.7 813.0 817.1 812.2 814.8 813.7 812.0 814.0 815.3 816.8 818.4 814.0 818.4 DAY 5 16 12 21 29 11 6 31 2 29 4 1 MIN. QFE PRESSURE IN HPA 796.7 797.4 801.2 803.0 804.0 805.1 803.7 804.9 809.2 810.6 801.7 804.4 796.7 DAY 30 24 23 18 9 27 19 1 17 7 25 3 MEAN QNH PRESSURE IN HPA 1017.9 1015.1 1018.1 1017.9 1019.8 1017.8 1016.8 1019.3 1022.4 1023.7 1022.9 1018.7 1019.2 MAX. QNH PRESSURE IN HPA 1028.0 1023.5 1028.4 1022.5 1025.7 1024.3 1022.3 1024.7 1026.3 1028.1 1030.0 1024.7 1030.0 DAY 5 16 12 21 29 11 6 31 2 29 4 1 MIN. QNH PRESSURE IN HPA 1003.8 1004.7 1009.3 1011.4 1012.7 1014.0 1012.3 1013.7 1018.9 1020.6 1009.9 1013.1 1003.8 DAY 30 24 23 18 9 27 19 1 17 7 25 3 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 807.4 805.1 807.5 807.5 809.1 807.4 806.3 808.2 811.0 812.0 811.6 808.3 808.5 MAX. QFE PRESSURE IN HPA 816.1 812.1 816.0 811.7 813.8 812.1 810.8 813.0 814.3 815.8 816.9 813.0 816.9 DAY 9 15 12 21 29 10 6 31 2 29 4 1 MIN. QFE PRESSURE IN HPA 793.7 796.8 798.8 803.8 802.4 803.6 802.5 803.5 808.2 809.0 801.6 804.2 793.7 DAY 30 24 30 18 9 27 19 18 17 6 25 3 MEAN QNH PRESSURE IN HPA 1016.8 1014.0 1016.8 1016.9 1018.8 1016.7 1015.4 1017.7 1021.1 1022.3 1021.8 1017.8 1018.0 MAX. QNH PRESSURE IN HPA 1027.2 1022.4 1027.1 1021.9 1024.5 1022.4 1020.8 1023.5 1025.1 1026.9 1028.2 1023.5 1028.2 DAY 9 15 12 21 29 10 6 31 2 29 4 1 MIN. QNH PRESSURE IN HPA 1000.2 1004.0 1006.4 1012.4 1010.7 1012.2 1010.8 1012.0 1017.7 1018.7 1009.8 1012.9 1000.2 DAY 30 24 30 18 9 27 19 18 17 6 25 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 807.9 805.5 807.7 807.6 809.2 807.2 806.1 808.1 811.0 812.3 812.0 808.9 808.6 MAX. QFE PRESSURE IN HPA 816.6 813.0 816.0 811.2 813.8 812.3 810.3 812.8 814.0 816.5 817.0 813.7 817.0 DAY 9 15 12 20 29 10 6 31 2 29 17 10 MIN. QFE PRESSURE IN HPA 794.3 797.8 799.9 801.3 802.6 803.6 802.3 802.9 808.2 808.9 803.0 805.4 794.3 DAY 30 10 30 14 9 27 19 18 17 6 25 19 MEAN QNH PRESSURE IN HPA 1017.3 1014.5 1017.1 1017.0 1018.9 1016.5 1015.2 1017.6 1021.1 1022.6 1022.3 1018.5 1018.2 MAX. QNH PRESSURE IN HPA 1027.8 1023.5 1027.1 1021.3 1024.5 1022.7 1020.2 1023.3 1024.7 1027.7 1028.3 1024.3 1028.3 DAY 9 15 12 20 29 10 6 31 2 29 17 10 MIN. QNH PRESSURE IN HPA 1001.0 1005.2 1007.7 1009.4 1011.0 1012.2 1010.6 1011.3 1017.7 1018.6 1011.4 1014.3 1001.0 DAY 30 10 30 14 9 27 19 18 17 6 25 19 MEAN QFF PRESSURE IN HPA 1028.4 1021.4 1022.8 1012.7 1011.7 1003.6 997.8 1002.7 1009.7 1015.2 1019.9 1021.5 1013.9 MAX. QFF PRESSURE IN HPA 1046.4 1036.7 1043.1 1021.5 1021.0 1011.2 1003.3 1012.4 1017.0 1023.6 1026.9 1034.1 1046.4 DAY 9 16 12 19 2 1 12 31 29 29 18 28 MIN. QFF PRESSURE IN HPA 1010.6 1004.8 1006.4 1001.0 1004.0 996.5 992.2 995.1 1005.3 1010.4 1007.9 1012.0 992.2 DAY 30 24 30 14 9 27 31 1 17 5 24 13 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 GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) -3.3 0.2 4.4 11.2 14.9 22.2 26.0 25.5 22.7 13.9 4.6 3.8 12.2 MINIMUN AIR TEMPERATURE (C) -7.6 -4.7 -1.4 4.9 8.2 12.3 16.4 16.0 12.8 6.5 0.3 -1.6 5.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 2 2 0 0 0 0 4 DAYS WITH MINIMUM TEMP. <=-4 21 15 8 0 0 0 0 0 0 0 5 4 53 DAYS WITH FREEZING MIN.<= 0 30 24 20 1 0 0 0 0 0 0 12 24 111 TEMPERATURE RECORDS LOWEST(C) -21.8 -14.6 -9.4 0.0 2.0 7.2 11.4 12.4 7.4 1.4 -10.8 -8.6 -21.8 DAY 21 16 23 13 1 22 31 23 25 7 14 13 MAXIMUM AIR TEMPERATURE (C) -0.1 3.8 8.6 15.3 18.9 27.0 31.2 30.9 28.5 18.6 8.8 8.4 16.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 0 6 26 26 10 0 0 0 68 DAYS WITH MAXIMUM TEMP. <= 0 15 4 0 0 0 0 0 0 0 0 0 0 19 TEMPERATURE RECORDS HIGHEST(C) 7.4 13.6 18.0 23.6 24.6 33.4 34.4 33.6 32.6 25.0 15.6 12.8 34.4 DAY 8 28 31 19 19 30 15 14 1 1 8 23 DIF. BETWEEN (MAX.-MIN.) (C) 7.5 8.5 10.0 10.4 10.7 14.7 14.8 14.9 15.7 12.1 8.5 10.0 11.5 MEAN DAILY TEMP. (MDT) (C) -3.9 -0.4 3.6 10.1 13.5 19.6 23.8 23.5 20.6 12.6 4.5 3.4 10.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 0.0 14.5 87.1 77.2 20.1 0.0 0.0 0.0 198.9 HEATING DEG. DAYS(BASE 18 0C) 678.0 515.5 445.8 238.9 139.8 15.3 0.0 0.0 6.4 169.3 404.2 452.9 3066.1 DEWPOINT (MEAN C) -9.7 -7.5 -7.0 -2.0 3.1 4.0 7.5 3.1 0.5 -1.1 -0.6 -2.4 -1.0 MIXING RATIO (G/KG) 2.38 2.81 2.94 4.23 6.04 6.38 8.26 6.02 5.02 4.44 4.72 4.03 4.77 VAPOUR PRESSURE (HPA) 3.08 3.63 3.79 5.46 7.79 8.21 10.59 7.76 6.49 5.77 6.10 5.23 6.16 SATURATION DEF. (HPA) 2.01 2.92 5.07 8.45 9.80 19.75 24.44 26.31 22.57 10.81 2.86 3.06 11.51 RELATIVE HUMIDITY (MEAN %) 63 58 47 45 48 32 32 25 24 38 72 67 46 RELATIVE HUMIDITY (MAX. %) 70 69 62 63 65 45 43 36 32 49 85 82 58 RELATIVE HUMIDITY (MIN. %) 57 47 35 32 36 25 24 18 18 30 58 50 36 RELATIVE HUMIDITY (MEAN% 03UTC) 65 66 56 61 63 45 43 35 32 46 80 80 56 RELATIVE HUMIDITY (MEAN% 09UTC) 61 54 46 38 43 29 30 22 22 33 69 64 43 RELATIVE HUMIDITY (MEAN% 15UTC) 63 55 40 42 44 26 25 19 20 37 71 62 42 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 43.1 16.5 56.4 52.4 65.7 5.0 5.4 0.0 0.0 21.4 93.2 34.8 393.9 DAYS WITH PRECIPITATION >=10 1 0 1 1 2 0 0 0 0 1 3 2 11 DAYS WITH PRECIPITATION >= 5 3 1 6 4 8 1 0 0 0 1 7 2 33 DAYS WITH PRECIPITATION >= 1 7 5 10 7 9 1 2 0 0 2 10 3 56 DAYS WITH PRECIPITATION 10 8 10 12 11 1 3 0 0 8 13 7 83 GREATEST DAILY PRECIPITATION 22.0 5.0 14.0 22.0 14.0 5.0 3.0 0.0 0.0 18.0 20.0 18.0 22.0 DAY 8 21 8 29 6 1 30 ** ** 29 26 15 DAY WITH THUNDER STORM 0 0 2 2 2 0 4 0 0 1 1 0 12 DAYS WITH SNOW OR SLEET 5 4 2 0 0 0 0 0 0 0 4 2 17 DAYS WITH DUST 1 0 0 5 5 5 0 3 3 0 0 1 23 WIND DIRECTION (PREVAILING) 225 225 225 270 270 270 135 135 270 135 225 225 225 PREVAILING WIND SPEED(KNOTS) 16.9 12.5 14.7 13.7 11.6 13.1 12.3 11.2 13.8 10.0 12.9 11.9 13.8 PREVAILING WIND PERCENT 19.4 22.9 27.1 30.7 24.5 21.3 15.5 15.5 18.0 13.5 22.7 15.5 18.2 CALMS PERCENT OF WIND 45.2 41.4 34.2 14.7 30.3 36.7 37.4 40.0 48.0 45.2 54.0 57.4 40.4 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 229 236 242 252 246 248 170 209 243 212 239 240 237 VECTOR WIND MAGNITUDE(KNOTS) 4.8 4.4 5.6 8.5 5.1 4.2 2.4 2.4 3.6 1.3 4.2 2.7 3.9 WIND STEADINESES (MEAN %) 68.6 67.7 68.3 72.0 64.6 56.0 31.6 35.8 60.0 22.4 82.4 61.4 54.9 WIND SPEED (MEAN KNOTS) 7.0 6.5 8.2 11.8 7.9 7.5 7.6 6.7 6.0 5.8 5.1 4.4 7.1 FASTEST WIND DIRECTION 230 250 210 230 210 240 230 240 290 220 210 230 230 FASTEST WIND SPEED (KNOTS) 29 23 31 35 25 25 23 23 27 23 23 25 35 DAY 28 7 8 20 2 3 3 9 24 28 2 1 DAYS WITH SKY CLEAR (0-2)/8 15 14 12 8 6 27 19 24 25 22 9 6 187 DAYS WITH P.CLOUDY (3-6)/8 10 6 13 17 18 3 12 6 5 5 10 19 124 DAYS WITH CLOUDY (7-8)/8 6 8 6 5 7 0 0 1 0 4 11 6 54 DAYS WITH VISIBILITY =< 2 KM 3 2 1 0 1 0 0 0 0 0 5 7 19 DURATION OF SUNSHINE HOURS 171.0 159.6 205.7 203.0 212.4 363.3 333.7 317.8 294.4 236.7 121.5 99.4 2718.5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 808.9 808.4 807.8 809.0 810.1 808.6 808.1 809.6 810.7 814.7 811.5 812.9 810.0 MAX. QFE PRESSURE IN HPA 815.0 813.7 816.5 816.1 813.9 816.1 812.3 813.1 815.5 820.1 818.4 820.0 820.1 DAY-HOUR 6- 6 9- 9 30- 6 17- 6 28- 6 22- 6 27- 6 30- 6 16- 6 18- 6 21- 6 26- 6 MIN. QFE PRESSURE IN HPA 796.0 799.4 799.0 803.0 803.9 802.7 802.0 805.1 807.0 808.0 801.5 805.3 796.0 DAY-HOUR 8- 3 3-12 5-12 26-12 6-12 3-15 11-15 13-12 7-12 28-12 13-15 4- 9 MEAN QNH PRESSURE IN HPA 1018.6 1017.9 1017.3 1018.6 1020.0 1018.2 1017.5 1019.4 1020.7 1025.6 1021.7 1023.3 1019.9 MAX. QNH PRESSURE IN HPA 1025.9 1024.3 1027.7 1027.2 1024.6 1027.2 1022.7 1023.6 1026.5 1032.1 1030.0 1031.9 1032.1 DAY-HOUR 6- 6 9- 9 30- 6 17- 6 28- 6 22- 6 27- 6 30- 6 16- 6 18- 6 21- 6 26- 6 MIN. QNH PRESSURE IN HPA 1003.0 1007.1 1006.6 1011.4 1012.5 1011.1 1010.2 1014.0 1016.3 1017.5 1009.6 1014.2 1003.0 DAY-HOUR 8- 3 3-12 5-12 26-12 6-12 3-15 11-15 13-12 7-12 28-12 13-15 4- 9 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 808.6 808.2 807.8 809.1 810.0 809.1 808.8 810.3 811.2 815.1 811.3 812.7 810.2 MAX. QFE PRESSURE IN HPA 814.0 812.9 815.8 814.9 813.6 815.9 812.0 812.8 815.1 819.4 817.0 818.8 819.4 DAY 27 8 31 17 9 22 27 29 16 18 21 26 MIN. QFE PRESSURE IN HPA 796.0 799.6 801.0 804.1 805.2 805.3 803.8 807.0 808.5 810.5 805.6 806.3 796.0 DAY 8 3 8 26 6 3 11 13 29 28 12 4 MEAN QNH PRESSURE IN HPA 1018.2 1017.7 1017.3 1018.8 1019.8 1018.7 1018.5 1020.3 1021.3 1026.0 1021.4 1023.1 1020.1 MAX. QNH PRESSURE IN HPA 1024.7 1023.4 1026.9 1025.8 1024.2 1027.0 1022.3 1023.3 1026.0 1031.2 1028.3 1030.5 1031.2 DAY 27 8 31 17 9 22 27 29 16 18 21 26 MIN. QNH PRESSURE IN HPA 1003.0 1007.3 1009.0 1012.8 1014.1 1014.2 1012.4 1016.3 1018.1 1020.5 1014.6 1015.4 1003.0 DAY 8 3 8 26 6 3 11 13 29 28 12 4 MEAN QFF PRESSURE IN HPA 1024.1 1021.0 1017.0 1013.3 1011.2 1005.0 1001.7 1004.3 1007.7 1018.7 1020.5 1023.6 1014.0 MAX. QFF PRESSURE IN HPA 1037.6 1029.0 1030.0 1017.9 1020.6 1015.9 1005.8 1009.2 1014.5 1023.8 1031.7 1030.5 1037.6 DAY 21 6 23 15 9 22 31 29 16 18 30 26 MIN. QFF PRESSURE IN HPA 1002.5 1007.2 1004.3 1005.9 1001.7 1000.3 993.5 999.0 1003.4 1010.1 1009.2 1016.0 993.5 DAY 8 3 8 20 31 25 11 10 9 2 10 2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 809.7 809.1 808.9 809.8 810.7 809.4 809.0 810.7 811.8 816.0 812.3 813.6 810.9 MAX. QFE PRESSURE IN HPA 815.0 813.5 816.5 816.1 813.9 816.1 812.3 813.1 815.5 820.1 818.4 820.0 820.1 DAY 6 9 30 17 28 22 27 30 16 18 21 26 MIN. QFE PRESSURE IN HPA 799.0 800.8 802.7 805.1 804.8 805.3 804.1 807.3 809.3 810.5 806.0 806.0 799.0 DAY 8 3 12 26 6 3 11 13 3 28 12 4 MEAN QNH PRESSURE IN HPA 1019.5 1018.8 1018.5 1019.6 1020.7 1019.2 1018.7 1020.7 1022.1 1027.1 1022.7 1024.2 1021.0 MAX. QNH PRESSURE IN HPA 1025.9 1024.1 1027.7 1027.2 1024.6 1027.2 1022.7 1023.6 1026.5 1032.1 1030.0 1031.9 1032.1 DAY 6 9 30 17 28 22 27 30 16 18 21 26 MIN. QNH PRESSURE IN HPA 1006.6 1008.8 1011.1 1014.0 1013.6 1014.2 1012.8 1016.6 1019.0 1020.5 1015.1 1015.1 1006.6 DAY 8 3 12 26 6 3 11 13 3 28 12 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 809.4 808.8 808.4 809.2 810.5 808.9 808.3 809.8 811.0 815.0 811.8 813.1 810.3 MAX. QFE PRESSURE IN HPA 815.0 813.7 815.9 815.8 813.5 815.5 811.6 812.5 814.3 819.3 817.7 819.4 819.4 DAY 27 9 30 17 9 22 27 30 16 17 21 26 MIN. QFE PRESSURE IN HPA 799.6 800.0 802.7 805.3 804.4 804.5 803.3 806.3 808.4 809.3 804.8 805.3 799.6 DAY 8 3 5 20 6 3 11 13 7 28 12 4 MEAN QNH PRESSURE IN HPA 1019.2 1018.5 1017.9 1019.0 1020.5 1018.5 1017.8 1019.7 1021.1 1026.0 1022.0 1023.6 1020.3 MAX. QNH PRESSURE IN HPA 1025.9 1024.3 1027.0 1026.9 1024.1 1026.5 1021.8 1022.9 1025.1 1031.1 1029.2 1031.2 1031.2 DAY 27 9 30 17 9 22 27 30 16 17 21 26 MIN. QNH PRESSURE IN HPA 1007.3 1007.8 1011.1 1014.2 1013.1 1013.3 1011.8 1015.4 1018.0 1019.0 1013.6 1014.2 1007.3 DAY 8 3 5 20 6 3 11 13 7 28 12 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 808.4 807.7 807.0 808.2 809.7 807.9 807.2 808.6 809.7 813.8 811.0 812.2 809.3 MAX. QFE PRESSURE IN HPA 813.6 812.6 814.7 814.7 813.0 814.1 810.3 811.1 813.0 818.0 816.5 818.4 818.4 DAY 27 9 30 16 18 22 27 30 19 17 21 26 MIN. QFE PRESSURE IN HPA 799.0 799.4 799.0 803.0 803.9 803.5 802.3 805.1 807.0 808.0 803.3 805.3 799.0 DAY 8 3 5 26 6 3 11 13 7 28 13 4 MEAN QNH PRESSURE IN HPA 1017.9 1017.1 1016.2 1017.8 1019.5 1017.4 1016.5 1018.2 1019.5 1024.4 1021.0 1022.6 1019.0 MAX. QNH PRESSURE IN HPA 1024.2 1023.0 1025.5 1025.5 1023.5 1024.8 1020.2 1021.2 1023.5 1029.5 1027.7 1030.0 1030.0 DAY 27 9 30 16 18 22 27 30 19 17 21 26 MIN. QNH PRESSURE IN HPA 1006.6 1007.1 1006.6 1011.4 1012.5 1012.0 1010.6 1014.0 1016.3 1017.5 1011.8 1014.2 1006.6 DAY 8 3 5 26 6 3 11 13 7 28 13 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 GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 808.7 808.0 807.2 808.6 809.7 807.8 807.0 808.4 809.8 813.9 811.2 812.7 809.4 MAX. QFE PRESSURE IN HPA 813.2 813.2 814.1 815.1 813.2 813.9 810.5 811.1 813.0 818.1 816.8 818.8 818.8 DAY 26 9 30 16 18 22 29 30 15 17 21 26 MIN. QFE PRESSURE IN HPA 799.5 800.7 799.3 804.4 804.5 802.7 802.0 805.1 807.4 808.0 801.5 806.0 799.3 DAY 8 3 5 25 6 3 11 13 7 28 13 4 MEAN QNH PRESSURE IN HPA 1018.3 1017.5 1016.5 1018.2 1019.5 1017.2 1016.3 1018.0 1019.7 1024.6 1021.3 1023.1 1019.2 MAX. QNH PRESSURE IN HPA 1023.7 1023.7 1024.8 1026.0 1023.7 1024.6 1020.5 1021.2 1023.5 1029.6 1028.1 1030.5 1030.5 DAY 26 9 30 16 18 22 29 30 15 17 21 26 MIN. QNH PRESSURE IN HPA 1007.2 1008.7 1007.0 1013.1 1013.3 1011.1 1010.2 1014.0 1016.8 1017.5 1009.6 1015.1 1007.0 DAY 8 3 5 25 6 3 11 13 7 28 13 4 MEAN QFF PRESSURE IN HPA 1024.1 1020.6 1016.1 1012.7 1010.7 1003.1 999.3 1001.8 1006.0 1017.3 1020.4 1023.4 1013.0 MAX. QFF PRESSURE IN HPA 1036.5 1029.2 1027.7 1017.0 1017.6 1012.7 1004.5 1005.9 1012.4 1021.4 1030.3 1030.9 1036.5 DAY 19 9 23 15 8 22 30 28 30 18 29 26 MIN. QFF PRESSURE IN HPA 1004.8 1007.3 1004.9 1007.0 1003.2 997.2 991.6 997.2 1001.0 1008.1 1007.4 1016.8 991.6 DAY 8 2 5 20 31 25 11 13 1 2 10 4 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION GHORVEH (40772) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 35 10 N LONGITUDE 47 48 E DATA PROCESSING CENTER ELEVATION 1906.0 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 0.2 0.7 5.2 13.1 16.4 22.5 27.0 26.7 19.6 13.2 7.2 -1.5 12.5 MINIMUN AIR TEMPERATURE (C) -3.9 -3.8 -0.3 5.9 8.4 13.3 16.9 16.0 10.6 6.2 2.4 -5.9 5.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 2 0 0 0 0 0 2 DAYS WITH MINIMUM TEMP. <=-4 16 12 5 0 0 0 0 0 0 0 0 18 51 DAYS WITH FREEZING MIN.<= 0 25 24 15 1 0 0 0 0 0 0 8 28 101 TEMPERATURE RECORDS LOWEST(C) -12.4 -14.0 -9.8 -2.4 1.4 6.4 12.0 11.8 7.2 1.2 -3.6 -17.0 -17.0 DAY 11 20 15 5 7 29 1 25 25 12 9 7 MAXIMUM AIR TEMPERATURE (C) 3.5 4.6 9.2 17.9 20.9 27.8 33.2 32.9 25.3 17.8 10.9 2.2 17.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 0 5 29 30 2 0 0 0 66 DAYS WITH MAXIMUM TEMP. <= 0 8 2 0 0 0 0 0 0 0 0 0 8 18 TEMPERATURE RECORDS HIGHEST(C) 11.4 9.0 17.2 24.2 28.6 31.0 36.0 35.2 30.8 23.0 14.6 8.6 36.0 DAY 2 27 31 22 31 11 29 5 1 1 21 28 DIF. BETWEEN (MAX.-MIN.) (C) 7.4 8.4 9.5 12.0 12.5 14.5 16.3 16.9 14.7 11.6 8.5 8.1 11.7 MEAN DAILY TEMP. (MDT) (C) -0.2 0.4 4.4 11.9 14.7 20.5 25.0 24.5 18.0 12.0 6.6 -1.8 11.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 0.0 22.5 127.8 107.9 4.5 0.0 0.0 0.0 262.7 HEATING DEG. DAYS(BASE 18 0C) 564.5 492.2 420.2 184.2 109.1 9.7 0.0 0.0 26.7 185.8 340.7 614.2 2947.3 DEWPOINT (MEAN C) -4.2 -6.7 -2.7 0.3 1.8 1.7 6.0 2.9 1.3 2.1 0.0 -8.3 -0.5 MIXING RATIO (G/KG) 3.61 2.98 4.00 4.98 5.48 5.49 7.44 6.16 5.43 5.83 4.96 2.72 4.92 VAPOUR PRESSURE (HPA) 4.67 3.85 5.17 6.43 7.07 7.06 9.52 7.91 7.03 7.56 6.41 3.53 6.35 SATURATION DEF. (HPA) 1.93 2.78 4.09 9.41 12.64 21.50 28.12 29.07 17.06 8.16 4.04 2.27 11.76 RELATIVE HUMIDITY (MEAN %) 75 60 60 45 40 29 30 25 33 53 63 62 48 RELATIVE HUMIDITY (MAX. %) 83 72 75 65 59 47 50 42 53 73 79 74 64 RELATIVE HUMIDITY (MIN. %) 65 49 45 32 28 16 18 14 21 36 50 51 35 RELATIVE HUMIDITY (MEAN% 03UTC) 78 68 71 60 57 46 50 41 53 70 74 70 62 RELATIVE HUMIDITY (MEAN% 09UTC) 73 55 55 39 32 26 24 21 25 46 58 58 43 RELATIVE HUMIDITY (MEAN% 15UTC) 75 59 57 37 34 18 19 15 27 48 63 61 43 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 74.6 60.7 71.0 43.2 22.9 18.0 0.0 0.0 2.0 48.2 224.3 13.5 578.4 DAYS WITH PRECIPITATION >=10 2 3 4 2 0 1 0 0 0 2 7 0 21 DAYS WITH PRECIPITATION >= 5 3 3 5 3 2 1 0 0 0 3 8 0 28 DAYS WITH PRECIPITATION >= 1 7 4 7 6 6 1 0 0 0 8 12 4 55 DAYS WITH PRECIPITATION 15 12 14 8 9 1 0 0 5 9 13 12 98 GREATEST DAILY PRECIPITATION 41.0 24.0 17.0 15.0 7.0 18.0 0.0 0.0 0.8 15.0 66.0 3.0 66.0 DAY 5 1 1 30 6