STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 2.8 0.8 7.9 12.5 17.4 24.6 28.9 27.0 22.8 15.8 8.8 2.5 14.3 MINIMUN AIR TEMPERATURE (C) -3.1 -5.5 -0.9 3.9 7.2 11.1 16.0 14.7 11.3 5.8 1.5 -2.5 5.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 1 2 2 0 0 0 5 DAYS WITH MINIMUM TEMP. <=-4 15 12 1 1 0 0 0 0 0 0 0 12 41 DAYS WITH FREEZING MIN.<= 0 28 27 25 5 0 0 0 0 0 6 14 25 130 TEMPERATURE RECORDS LOWEST(C) -8.0 -16.0 -4.0 -4.0 3.0 6.0 11.0 10.0 4.0 -2.0 -3.0 -9.0 -16.0 DAY 28 15 15 5 5 11 9 6 26 20 25 31 MAXIMUM AIR TEMPERATURE (C) 8.6 6.9 15.1 20.2 25.8 33.3 37.9 36.1 32.1 23.7 16.9 7.7 22.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 6 29 31 31 27 1 0 0 125 DAYS WITH MAXIMUM TEMP. <= 0 0 5 0 0 0 0 0 0 0 0 0 2 7 TEMPERATURE RECORDS HIGHEST(C) 14.0 15.0 22.0 25.0 32.0 35.0 42.0 38.0 36.0 32.0 22.0 16.0 42.0 DAY 22 26 24 18 23 13 25 1 16 1 16 1 DIF. BETWEEN (MAX.-MIN.) (C) 11.7 12.4 16.0 16.3 18.6 22.2 21.9 21.4 20.8 17.9 15.4 10.2 17.0 MEAN DAILY TEMP. (MDT) (C) 2.7 0.7 7.1 12.0 16.5 22.2 26.9 25.4 21.7 14.8 9.2 2.6 13.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 6.5 43.0 183.5 136.0 48.0 2.0 0.0 0.0 419.0 HEATING DEG. DAYS(BASE 18 0C) 473.0 485.5 337.0 179.5 70.0 0.0 0.0 0.0 5.0 109.0 264.5 477.0 2400.5 DEWPOINT (MEAN C) -1.7 -3.7 -0.8 2.9 4.6 5.1 4.6 3.8 1.3 2.7 3.1 ***** ***** MIXING RATIO (G/KG) 4.06 3.61 4.25 5.63 6.28 6.72 6.55 6.02 5.06 5.63 5.68 ****** ****** VAPOUR PRESSURE (HPA) 5.62 5.00 5.86 7.75 8.64 9.19 8.96 8.26 6.98 7.77 7.86 ****** ****** SATURATION DEF. (HPA) 2.14 1.97 5.46 7.62 12.87 23.75 33.63 29.72 23.13 11.59 4.20 ****** ****** RELATIVE HUMIDITY (MEAN %) 74 75 57 56 48 32 24 25 27 45 71 *** *** RELATIVE HUMIDITY (MAX. %) 87 88 82 82 70 50 41 45 46 69 93 *** *** RELATIVE HUMIDITY (MIN. %) 57 56 37 34 29 19 13 13 15 28 49 *** *** RELATIVE HUMIDITY (MEAN% 03UTC) 82 78 80 76 68 46 38 41 43 67 90 *** *** RELATIVE HUMIDITY (MEAN% 09UTC) 71 72 45 43 33 23 18 16 21 35 56 *** *** RELATIVE HUMIDITY (MEAN% 15UTC) 68 73 44 42 36 23 17 18 21 33 60 *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 42.5 57.6 20.3 23.5 19.4 0.0 0.0 0.0 8.1 9.8 115.2 84.5 380.9 DAYS WITH PRECIPITATION >=10 2 3 1 0 0 0 0 0 0 0 4 2 12 DAYS WITH PRECIPITATION >= 5 2 4 1 2 1 0 0 0 1 0 5 5 21 DAYS WITH PRECIPITATION >= 1 7 9 6 6 5 0 0 0 3 4 7 10 57 DAYS WITH PRECIPITATION 8 10 10 9 9 0 0 0 5 6 7 12 76 GREATEST DAILY PRECIPITATION 14.0 20.0 10.0 9.0 8.0 0.0 0.0 0.0 5.0 3.0 54.0 41.0 54.0 DAY 7 20 26 10 6 ** ** ** 25 10 8 3 DAY WITH THUNDER STORM 1 2 0 2 6 0 0 0 2 1 3 0 17 DAYS WITH SNOW OR SLEET 6 5 1 0 0 0 0 0 0 0 0 8 20 DAYS WITH DUST 0 0 0 0 0 0 0 0 0 0 0 0 0 WIND DIRECTION (PREVAILING) 90 90 90 90 270 270 270 270 270 270 135 135 270 PREVAILING WIND SPEED(KNOTS) 3.1 4.7 4.0 3.7 5.0 4.2 5.0 5.1 6.8 8.0 3.8 9.6 4.9 PREVAILING WIND PERCENT 24.2 26.3 27.0 26.3 34.7 28.8 29.8 21.9 20.8 23.0 17.9 23.4 21.3 CALMS PERCENT OF WIND 11.7 21.0 10.9 10.0 6.0 14.6 22.2 13.0 8.8 12.1 14.2 15.7 13.3 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 247 240 248 240 248 2919 VECTOR WIND DIRECTION (MEAN) 125 119 153 175 266 274 269 284 282 266 166 148 236 VECTOR WIND MAGNITUDE(KNOTS) 0.3 1.5 1.2 1.0 2.0 1.2 1.7 1.2 2.4 3.2 0.4 2.9 0.8 WIND STEADINESES (MEAN %) 10.0 45.5 27.9 27.0 50.0 36.4 48.6 29.3 46.2 50.0 12.5 50.9 19.5 WIND SPEED (MEAN KNOTS) 3.0 3.3 4.3 3.7 4.0 3.3 3.5 4.1 5.2 6.4 3.2 5.7 4.1 FASTEST WIND DIRECTION 360 90 180 200 310 310 310 100 310 310 270 90 310 FASTEST WIND SPEED (KNOTS) 24 18 24 24 18 32 19 28 24 24 24 24 32 DAY 23 8 12 8 4 20 16 20 11 1 8 3 DAYS WITH SKY CLEAR (0-2)/8 9 7 12 12 6 25 31 27 23 12 8 6 178 DAYS WITH P.CLOUDY (3-6)/8 14 9 13 15 22 5 0 4 6 15 16 13 132 DAYS WITH CLOUDY (7-8)/8 8 12 6 3 3 0 0 0 1 4 6 12 55 DAYS WITH VISIBILITY =< 2 KM 2 8 1 1 1 0 0 1 0 0 3 1 18 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 866.8 866.4 865.0 865.7 864.7 861.4 860.7 861.7 865.3 866.2 868.2 ****** ****** MAX. QFE PRESSURE IN HPA 878.9 879.8 870.6 871.3 869.2 866.5 869.7 866.0 884.9 887.3 889.5 ****** ****** DAY-HOUR 20- 9 22-15 14- 6 30- 6 18- 6 7-15 10- 9 16- 6 8-12 10- 6 30- 3 **-** MIN. QFE PRESSURE IN HPA 855.8 853.2 855.5 861.1 857.2 857.3 856.9 856.8 860.2 861.1 860.4 ****** ****** DAY-HOUR 23-18 5-15 29-18 25- 0 3-15 2-15 3-15 6- 3 6-15 5-12 19-12 **-** MEAN QNH PRESSURE IN HPA 1015.5 1015.0 1013.4 1014.3 1013.1 1009.4 1008.5 1009.7 1013.9 1014.8 1017.1 ****** ****** MAX. QNH PRESSURE IN HPA 1029.3 1030.3 1019.8 1020.6 1018.3 1015.2 1018.8 1014.6 1036.1 1038.8 1041.3 ****** ****** DAY-HOUR 20- 9 22-15 14- 6 30- 6 18- 6 7-15 10- 9 16- 6 8-12 10- 6 30- 3 **-** MIN. QNH PRESSURE IN HPA 1003.0 1000.1 1002.7 1009.0 1004.6 1004.7 1004.3 1004.2 1008.0 1009.0 1008.3 ****** ****** DAY-HOUR 23-18 5-15 29-18 25- 0 3-15 2-15 3-15 6- 3 6-15 5-12 19-12 **-** MEAN QFF PRESSURE IN HPA 1017.3 1018.2 1012.3 1010.6 1006.7 999.2 996.3 998.4 1004.8 1009.3 1015.5 ****** ****** MAX. QFF PRESSURE IN HPA 1032.0 1032.9 1021.0 1017.8 1013.6 1006.9 1006.0 1004.5 1027.1 1032.1 1041.3 ****** ****** DAY-HOUR 20- 9 22-15 14- 3 30- 3 1- 3 7-15 10- 9 29- 3 8-12 10- 6 30- 3 **-** MIN. QFF PRESSURE IN HPA 1002.4 1001.9 1001.3 1002.9 998.8 993.4 992.0 992.5 998.2 1000.3 1006.1 ****** ****** DAY-HOUR 7-21 5-12 29-18 19-18 31-21 14-21 13-18 5-12 6-18 4-18 19-12 **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 866.4 866.3 864.8 865.6 864.8 861.3 860.7 861.7 865.4 866.2 868.0 ****** ****** MAX. QFE PRESSURE IN HPA 871.6 872.7 869.5 870.7 868.0 864.7 865.8 864.9 867.7 869.6 871.3 ****** ****** DAY 11 14 14 30 18 4 11 21 26 29 29 ** MIN. QFE PRESSURE IN HPA 855.9 854.9 855.8 861.1 859.8 857.6 857.9 857.5 862.1 862.0 863.6 ****** ****** DAY 24 20 30 25 4 19 3 6 7 5 27 ** MEAN QNH PRESSURE IN HPA 1015.1 1015.0 1013.3 1014.1 1013.2 1009.2 1008.6 1009.8 1014.0 1014.8 1016.9 ****** ****** MAX. QNH PRESSURE IN HPA 1021.0 1022.2 1018.6 1020.0 1016.9 1013.1 1014.4 1013.4 1016.6 1018.7 1020.6 ****** ****** DAY 11 14 14 30 18 4 11 21 26 29 29 ** MIN. QNH PRESSURE IN HPA 1003.1 1002.0 1003.0 1009.0 1007.6 1005.1 1005.4 1004.9 1010.2 1010.1 1011.9 ****** ****** DAY 24 20 30 25 4 19 3 6 7 5 27 ** MEAN QFF PRESSURE IN HPA 1016.2 1017.7 1012.0 1010.3 1006.7 999.2 996.4 998.4 1004.9 1009.1 1014.8 ****** ****** MAX. QFF PRESSURE IN HPA 1023.1 1029.9 1019.4 1016.4 1011.7 1004.6 1002.1 1003.2 1012.8 1013.5 1021.7 ****** ****** DAY 16 14 14 30 7 4 11 29 26 31 29 ** MIN. QFF PRESSURE IN HPA 1003.2 1003.4 1002.3 1004.6 1001.8 994.9 993.2 994.6 999.0 1001.4 1008.6 ****** ****** DAY 8 20 30 20 31 19 14 11 3 5 27 ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 866.7 866.4 864.9 865.8 865.0 861.7 861.1 862.1 865.9 866.6 869.8 ****** ****** MAX. QFE PRESSURE IN HPA 873.1 872.9 870.1 870.8 868.8 865.2 865.9 865.2 868.0 869.6 889.5 ****** ****** DAY 11 14 14 30 18 4 11 16 28 29 30 ** MIN. QFE PRESSURE IN HPA 856.2 854.8 856.5 861.4 860.5 858.2 858.6 856.8 862.8 862.2 862.9 ****** ****** DAY 24 20 30 25 4 2 3 6 7 5 27 ** MEAN QNH PRESSURE IN HPA 1015.4 1015.1 1013.4 1014.4 1013.5 1009.7 1009.1 1010.2 1014.5 1015.3 1018.9 ****** ****** MAX. QNH PRESSURE IN HPA 1022.7 1022.5 1019.3 1020.1 1017.8 1013.7 1014.5 1013.7 1016.9 1018.7 1041.3 ****** ****** DAY 11 14 14 30 18 4 11 16 28 29 30 ** MIN. QNH PRESSURE IN HPA 1003.5 1001.9 1003.8 1009.4 1008.4 1005.7 1006.2 1004.2 1011.0 1010.3 1011.1 ****** ****** DAY 24 20 30 25 4 2 3 6 7 5 27 ** MEAN QFF PRESSURE IN HPA 1018.0 1019.2 1013.2 1011.5 1008.3 1000.6 997.9 999.9 1006.5 1010.9 1018.2 ****** ****** MAX. QFF PRESSURE IN HPA 1026.6 1031.5 1021.0 1017.8 1013.6 1006.1 1003.4 1004.5 1012.5 1015.9 1041.3 ****** ****** DAY 11 14 14 30 1 4 11 29 26 27 30 ** MIN. QFF PRESSURE IN HPA 1005.5 1003.5 1003.4 1005.4 1002.7 996.4 994.3 994.7 1000.6 1003.4 1008.9 ****** ****** DAY 24 20 30 20 2 19 15 6 3 5 27 ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 867.2 867.1 865.6 866.5 865.6 862.2 861.5 862.4 866.3 867.8 869.1 ****** ****** MAX. QFE PRESSURE IN HPA 873.5 873.2 870.6 871.3 869.2 866.0 866.6 866.0 868.2 887.3 872.7 ****** ****** DAY 11 13 14 30 18 4 11 16 28 10 29 ** MIN. QFE PRESSURE IN HPA 857.7 858.0 857.6 862.5 861.2 858.8 858.9 856.9 863.1 862.0 863.7 ****** ****** DAY 24 20 26 23 3 2 19 6 6 5 27 ** MEAN QNH PRESSURE IN HPA 1016.0 1015.9 1014.2 1015.2 1014.2 1010.3 1009.4 1010.6 1015.0 1016.7 1018.1 ****** ****** MAX. QNH PRESSURE IN HPA 1023.1 1022.8 1019.8 1020.6 1018.3 1014.6 1015.3 1014.6 1017.1 1038.8 1022.2 ****** ****** DAY 11 13 14 30 18 4 11 16 28 10 29 ** MIN. QNH PRESSURE IN HPA 1005.2 1005.5 1005.1 1010.6 1009.2 1006.4 1006.5 1004.3 1011.3 1010.1 1012.0 ****** ****** DAY 24 20 26 23 3 2 19 6 6 5 27 ** MEAN QFF PRESSURE IN HPA 1018.1 1019.4 1012.9 1011.4 1007.4 999.8 996.7 998.8 1005.6 1010.8 1016.6 ****** ****** MAX. QFF PRESSURE IN HPA 1026.7 1032.0 1021.0 1016.8 1012.1 1005.3 1002.4 1003.3 1010.9 1032.1 1024.7 ****** ****** DAY 11 14 14 4 18 4 11 16 26 10 29 ** MIN. QFF PRESSURE IN HPA 1005.0 1005.8 1002.0 1005.8 1001.7 995.0 992.8 993.3 1000.8 1001.5 1009.4 ****** ****** DAY 7 5 26 19 31 15 14 6 6 5 27 ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 867.8 867.3 865.7 866.5 865.3 862.1 861.2 862.2 865.8 866.6 868.7 ****** ****** MAX. QFE PRESSURE IN HPA 878.9 873.3 870.0 871.3 868.8 866.0 869.7 865.6 870.1 870.5 873.3 ****** ****** DAY 20 14 14 30 18 4 10 16 25 15 29 ** MIN. QFE PRESSURE IN HPA 857.0 858.0 859.6 862.4 860.0 858.5 858.4 856.9 862.4 861.4 865.0 ****** ****** DAY 23 5 26 22 3 19 19 6 6 5 27 ** MEAN QNH PRESSURE IN HPA 1016.6 1016.1 1014.3 1015.2 1013.8 1010.1 1009.1 1010.3 1014.4 1015.3 1017.7 ****** ****** MAX. QNH PRESSURE IN HPA 1029.3 1022.9 1019.2 1020.6 1017.8 1014.6 1018.8 1014.2 1019.3 1019.7 1022.9 ****** ****** DAY 20 14 14 30 18 4 10 16 25 15 29 ** MIN. QNH PRESSURE IN HPA 1004.4 1005.5 1007.3 1010.5 1007.8 1006.1 1006.0 1004.3 1010.5 1009.4 1013.5 ****** ****** DAY 23 5 26 22 3 19 19 6 6 5 27 ** MEAN QFF PRESSURE IN HPA 1017.9 1018.7 1012.6 1011.0 1006.7 999.3 996.2 998.4 1004.7 1009.1 1015.5 ****** ****** MAX. QFF PRESSURE IN HPA 1032.0 1029.8 1020.0 1015.7 1012.3 1004.6 1006.0 1002.6 1011.3 1014.7 1023.9 ****** ****** DAY 20 14 14 30 12 4 10 16 25 15 29 ** MIN. QFF PRESSURE IN HPA 1003.2 1006.4 1006.4 1006.4 999.9 994.8 992.4 993.3 1000.1 1000.9 1010.2 ****** ****** DAY 23 5 12 22 31 14 8 5 6 5 26 ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 866.8 865.9 864.9 865.4 864.5 861.4 860.5 861.4 865.3 865.6 867.4 ****** ****** MAX. QFE PRESSURE IN HPA 871.7 872.3 869.6 869.8 868.1 866.0 865.4 864.6 884.9 869.5 871.6 ****** ****** DAY 11 14 14 29 17 4 11 16 8 15 10 ** MIN. QFE PRESSURE IN HPA 856.2 853.5 857.9 861.8 858.6 857.9 857.2 857.0 860.7 861.1 860.4 ****** ****** DAY 23 5 29 22 3 2 3 5 6 5 19 ** MEAN QNH PRESSURE IN HPA 1015.5 1014.5 1013.4 1013.9 1012.9 1009.4 1008.3 1009.4 1013.8 1014.2 1016.2 ****** ****** MAX. QNH PRESSURE IN HPA 1021.1 1021.8 1018.7 1018.9 1017.0 1014.6 1013.9 1013.0 1036.1 1018.6 1021.0 ****** ****** DAY 11 14 14 29 17 4 11 16 8 15 10 ** MIN. QNH PRESSURE IN HPA 1003.5 1000.4 1005.4 1009.8 1006.2 1005.4 1004.6 1004.4 1008.6 1009.0 1008.3 ****** ****** DAY 23 5 29 22 3 2 3 5 6 5 19 ** MEAN QFF PRESSURE IN HPA 1016.6 1017.0 1012.1 1010.0 1006.3 999.2 996.0 998.0 1004.6 1008.4 1013.9 ****** ****** MAX. QFF PRESSURE IN HPA 1023.0 1029.7 1019.2 1014.9 1011.8 1005.3 1001.6 1002.0 1027.1 1013.5 1021.3 ****** ****** DAY 11 14 14 29 11 4 11 28 8 31 10 ** MIN. QFF PRESSURE IN HPA 1003.1 1001.9 1002.9 1004.0 999.0 994.5 992.7 992.5 998.6 1000.8 1006.1 ****** ****** DAY 23 5 29 19 31 10 14 5 6 5 19 ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 866.7 866.1 864.5 864.9 864.0 860.8 859.8 861.0 864.3 865.4 867.5 ****** ****** MAX. QFE PRESSURE IN HPA 871.3 879.8 869.1 870.4 867.7 866.5 864.9 863.7 868.1 869.8 870.9 ****** ****** DAY 11 22 14 29 17 7 11 20 25 10 10 ** MIN. QFE PRESSURE IN HPA 856.4 853.2 856.2 861.3 857.2 857.3 856.9 857.1 860.2 861.4 863.7 ****** ****** DAY 23 5 29 22 3 2 3 6 6 4 21 ** MEAN QNH PRESSURE IN HPA 1015.4 1014.7 1013.0 1013.4 1012.3 1008.7 1007.5 1008.9 1012.6 1013.9 1016.3 ****** ****** MAX. QNH PRESSURE IN HPA 1020.6 1030.3 1018.1 1019.6 1016.6 1015.2 1013.4 1012.0 1017.0 1018.9 1020.2 ****** ****** DAY 11 22 14 29 17 7 11 20 25 10 10 ** MIN. QNH PRESSURE IN HPA 1003.7 1000.1 1003.5 1009.3 1004.6 1004.7 1004.3 1004.5 1008.0 1009.4 1012.0 ****** ****** DAY 23 5 29 22 3 2 3 6 6 4 21 ** MEAN QFF PRESSURE IN HPA 1018.1 1018.5 1012.7 1010.4 1007.0 999.5 996.2 998.6 1004.6 1009.5 1015.4 ****** ****** MAX. QFF PRESSURE IN HPA 1024.6 1032.9 1019.2 1017.1 1012.5 1006.9 1002.2 1002.2 1011.8 1016.1 1021.2 ****** ****** DAY 15 22 14 29 11 7 11 28 25 28 10 ** MIN. QFF PRESSURE IN HPA 1004.5 1002.1 1003.2 1003.3 1000.7 995.2 993.0 994.6 999.5 1002.5 1011.1 ****** ****** DAY 7 5 29 19 3 10 15 10 6 5 21 ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 866.5 865.8 864.6 865.5 864.2 860.8 860.1 861.3 864.7 865.6 867.5 ****** ****** MAX. QFE PRESSURE IN HPA 870.5 872.4 868.9 870.4 867.9 864.6 864.5 864.0 868.0 869.3 870.9 ****** ****** DAY 14 13 13 29 17 7 10 20 25 28 10 ** MIN. QFE PRESSURE IN HPA 855.8 854.9 855.5 861.2 858.4 857.5 857.4 857.1 860.9 861.5 864.0 ****** ****** DAY 23 5 29 22 3 11 2 6 6 4 26 ** MEAN QNH PRESSURE IN HPA 1015.2 1014.4 1013.0 1014.0 1012.6 1008.7 1008.0 1009.2 1013.2 1014.2 1016.4 ****** ****** MAX. QNH PRESSURE IN HPA 1019.7 1021.9 1017.9 1019.6 1016.8 1013.0 1012.9 1012.3 1016.9 1018.4 1020.2 ****** ****** DAY 14 13 13 29 17 7 10 20 25 28 10 ** MIN. QNH PRESSURE IN HPA 1003.0 1002.0 1002.7 1009.2 1006.0 1004.9 1004.8 1004.5 1008.8 1009.5 1012.3 ****** ****** DAY 23 5 29 22 3 11 2 6 6 4 26 ** MEAN QFF PRESSURE IN HPA 1017.4 1017.8 1011.8 1010.1 1005.8 998.2 995.3 997.5 1003.8 1008.5 1014.8 ****** ****** MAX. QFF PRESSURE IN HPA 1025.1 1030.8 1018.9 1015.9 1012.1 1004.2 1000.8 1000.7 1010.8 1013.9 1021.6 ****** ****** DAY 15 13 1 29 11 7 10 15 25 28 28 ** MIN. QFF PRESSURE IN HPA 1002.9 1003.2 1001.3 1002.9 999.5 993.6 992.0 993.5 998.2 1000.3 1008.4 ****** ****** DAY 7 5 29 19 31 14 13 6 6 4 26 ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 866.4 866.1 864.7 865.6 864.4 861.0 860.5 861.5 865.1 865.9 867.7 ****** ****** MAX. QFE PRESSURE IN HPA 871.1 872.7 869.2 870.6 868.2 864.5 865.1 864.7 867.9 869.4 871.0 ****** ****** DAY 13 13 13 29 17 7 10 20 25 28 28 ** MIN. QFE PRESSURE IN HPA 855.9 854.9 855.5 861.3 859.2 857.3 857.7 857.5 861.6 861.7 863.8 ****** ****** DAY 23 19 29 22 3 18 2 5 6 4 26 ** MEAN QNH PRESSURE IN HPA 1015.1 1014.7 1013.2 1014.2 1012.8 1008.9 1008.4 1009.5 1013.6 1014.5 1016.6 ****** ****** MAX. QNH PRESSURE IN HPA 1020.4 1022.2 1018.3 1019.8 1017.1 1012.9 1013.6 1013.1 1016.8 1018.5 1020.3 ****** ****** DAY 13 13 13 29 17 7 10 20 25 28 28 ** MIN. QNH PRESSURE IN HPA 1003.1 1002.0 1002.7 1009.3 1006.9 1004.7 1005.2 1004.9 1009.6 1009.7 1012.1 ****** ****** DAY 23 19 29 22 3 18 2 5 6 4 26 ** MEAN QFF PRESSURE IN HPA 1016.5 1017.3 1011.5 1010.1 1005.7 998.1 995.6 997.7 1003.9 1008.5 1014.4 ****** ****** MAX. QFF PRESSURE IN HPA 1023.2 1028.8 1017.7 1015.1 1010.8 1003.2 1001.1 1001.8 1011.5 1013.7 1022.1 ****** ****** DAY 15 13 13 29 11 3 10 28 25 31 28 ** MIN. QFF PRESSURE IN HPA 1002.4 1003.5 1001.6 1004.3 998.8 993.4 992.1 994.3 999.1 1000.7 1008.4 ****** ****** DAY 7 19 29 19 31 14 13 10 6 4 26 ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 0.9 4.7 6.9 12.5 17.1 22.0 28.6 27.5 23.3 16.7 7.7 5.0 14.4 MINIMUN AIR TEMPERATURE (C) -5.1 -1.9 -0.4 4.4 7.7 9.3 18.6 15.7 10.9 4.4 0.4 -1.2 5.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 9 7 1 0 0 0 17 DAYS WITH MINIMUM TEMP. <=-4 21 12 6 1 0 0 0 0 0 0 5 9 54 DAYS WITH FREEZING MIN.<= 0 30 19 21 3 0 0 0 0 0 3 15 24 115 TEMPERATURE RECORDS LOWEST(C) -13.0 -9.0 -9.0 -4.0 3.0 3.0 13.0 11.0 7.0 -1.0 -7.0 -6.0 -13.0 DAY 8 13 5 16 6 2 1 21 29 27 19 31 MAXIMUM AIR TEMPERATURE (C) 6.4 10.9 13.4 19.9 25.3 31.9 37.8 36.1 32.8 27.5 15.1 12.1 22.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 5 27 31 31 29 5 0 0 128 DAYS WITH MAXIMUM TEMP. <= 0 6 0 1 0 0 0 0 0 0 0 0 0 7 TEMPERATURE RECORDS HIGHEST(C) 16.0 18.0 23.0 28.0 32.0 37.0 40.0 37.0 36.0 32.0 23.0 19.0 40.0 DAY 25 22 31 9 27 30 3 1 1 1 2 10 DIF. BETWEEN (MAX.-MIN.) (C) 11.5 12.8 13.8 15.5 17.6 22.6 19.2 20.4 21.9 23.1 14.7 13.3 17.2 MEAN DAILY TEMP. (MDT) (C) 0.7 4.5 6.5 12.1 16.5 20.6 28.2 25.9 21.9 16.0 7.7 5.5 13.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 0.5 17.0 223.5 152.0 38.0 0.0 0.0 0.0 431.0 HEATING DEG. DAYS(BASE 18 0C) 537.5 391.5 357.0 177.5 58.5 1.5 0.0 0.0 0.0 71.0 308.0 389.0 2291.5 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** 3.0 4.3 ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** 5.67 6.16 ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** 7.80 8.60 ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** 31.48 22.31 ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** 23 32 *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** 37 51 *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** 14 20 *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** 36 49 *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** 16 23 *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** 16 23 *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 31.3 55.6 33.2 82.9 28.0 0.0 0.0 0.0 4.5 0.0 28.2 32.8 296.5 DAYS WITH PRECIPITATION >=10 1 1 1 4 1 0 0 0 0 0 2 0 10 DAYS WITH PRECIPITATION >= 5 3 4 2 6 1 0 0 0 0 0 2 3 21 DAYS WITH PRECIPITATION >= 1 5 11 9 10 5 0 0 0 2 0 4 8 54 DAYS WITH PRECIPITATION 8 13 11 14 5 0 0 0 3 0 4 9 67 GREATEST DAILY PRECIPITATION 13.0 22.0 10.0 19.0 21.0 0.0 0.0 0.0 3.0 0.0 13.0 9.0 22.0 DAY 10 9 4 23 7 ** ** ** 8 ** 21 12 DAY WITH THUNDER STORM 0 1 1 5 0 0 0 0 2 0 0 1 10 DAYS WITH SNOW OR SLEET 3 2 4 0 0 0 0 0 0 0 2 0 11 DAYS WITH DUST 0 0 0 3 0 0 1 0 1 0 0 0 5 WIND DIRECTION (PREVAILING) 90 270 270 90 270 270 180 90 90 270 270 90 270 PREVAILING WIND SPEED(KNOTS) 6.0 4.0 4.9 7.1 6.0 5.8 4.9 6.0 4.6 3.5 4.8 5.6 5.0 PREVAILING WIND PERCENT 16.9 21.1 25.0 19.2 20.6 27.5 19.8 16.1 19.6 16.9 18.3 16.5 17.4 CALMS PERCENT OF WIND 19.8 12.9 11.7 7.9 7.7 14.6 8.1 8.1 7.9 10.1 8.3 22.2 11.6 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 248 240 248 2928 VECTOR WIND DIRECTION (MEAN) 124 191 222 167 206 287 244 137 86 273 140 137 189 VECTOR WIND MAGNITUDE(KNOTS) 0.9 2.5 1.8 2.6 1.2 2.3 0.2 1.1 0.5 0.3 0.3 1.0 0.8 WIND STEADINESES (MEAN %) 23.7 45.5 36.0 37.1 20.3 52.3 3.3 20.8 10.6 9.1 5.9 26.3 16.0 WIND SPEED (MEAN KNOTS) 3.8 5.5 5.0 7.0 5.9 4.4 6.0 5.3 4.7 3.3 5.1 3.8 5.0 FASTEST WIND DIRECTION 90 180 180 180 90 330 270 90 180 230 90 270 90 FASTEST WIND SPEED (KNOTS) 30 30 30 30 24 24 24 18 30 18 24 24 30 DAY 17 21 22 9 4 8 17 1 9 10 15 26 DAYS WITH SKY CLEAR (0-2)/8 11 9 7 8 13 30 23 25 27 29 17 17 216 DAYS WITH P.CLOUDY (3-6)/8 15 12 13 11 18 0 4 5 3 2 9 8 100 DAYS WITH CLOUDY (7-8)/8 5 8 11 11 0 0 4 1 0 0 4 6 50 DAYS WITH VISIBILITY =< 2 KM 3 2 2 0 0 0 0 0 1 0 4 2 14 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 863.9 880.1 ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 866.2 898.7 ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** 3-18 15- 0 **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 862.0 864.0 ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** 1-12 1-21 **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.3 1030.6 ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1014.8 1051.8 ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** 3-18 15- 0 **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1010.1 1012.3 ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** 1-12 1-21 **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1000.8 1021.6 ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1004.6 1044.9 ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** 29- 3 16- 3 **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 996.4 999.7 ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** 2- 9 1-21 **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 863.9 880.1 ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 864.5 898.7 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 18 15 ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 862.0 864.0 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 2 2 ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.3 1030.6 ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.9 1051.8 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 18 15 ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1010.1 1012.3 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 2 2 ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1001.1 1021.5 ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1003.1 1042.9 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 30 15 ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 996.5 1000.3 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 2 8 ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 864.1 880.3 ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 864.7 898.7 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 20 15 ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 862.2 864.2 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 2 2 ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.4 1030.8 ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1013.1 1051.8 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 20 15 ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1010.3 1012.6 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 2 2 ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1002.1 1023.0 ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1004.6 1044.9 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 29 16 ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 997.3 1001.4 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 2 8 ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 864.0 879.4 ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 864.6 898.5 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 29 15 ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 862.2 864.1 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 1 4 ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.3 1029.9 ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1013.0 1051.6 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 29 15 ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1010.3 1012.5 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 1 4 ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1000.3 1020.5 ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1002.4 1042.3 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 31 15 ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 997.1 1001.2 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 2 8 ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 863.9 879.7 ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 864.4 898.6 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 17 15 ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 862.1 864.1 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 1 4 ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.2 1030.2 ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.8 1051.7 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 17 15 ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1010.2 1012.5 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 1 4 ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1000.1 1020.3 ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1002.2 1041.4 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 21 14 ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 996.4 1000.5 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 2 8 ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 863.8 879.8 ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 864.3 898.6 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 20 15 ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 862.0 864.0 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 1 2 ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.1 1030.2 ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.7 1051.7 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 20 15 ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1010.1 1012.3 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 1 2 ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1000.8 1021.0 ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1002.9 1042.6 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 30 14 ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 996.9 999.9 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 4 8 ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 863.8 879.9 ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 864.3 898.6 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 23 15 ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 862.0 864.1 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 3 5 ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.2 1030.4 ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.7 1051.7 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 23 15 ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1010.1 1012.5 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 3 5 ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1001.7 1022.5 ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1003.9 1044.6 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 28 15 ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 997.7 1001.0 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 3 8 ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 864.0 880.8 ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 866.2 898.6 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 3 15 ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 862.2 864.1 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 1 1 ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.4 1031.4 ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1014.8 1051.7 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 3 15 ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1010.3 1012.5 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 1 1 ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1000.4 1022.1 ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1002.3 1042.7 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 31 14 ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 997.7 1000.7 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 1 6 ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 863.9 880.8 ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 864.4 898.6 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 6 15 ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 862.1 864.0 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 1 1 ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.3 1031.5 ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1012.8 1051.7 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 6 15 ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1010.2 1012.3 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 1 1 ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1000.2 1021.7 ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 1002.7 1042.0 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 20 14 ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** 996.6 999.7 ****** ****** ****** ****** DAY ** ** ** ** ** ** ** 1 1 ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 3.9 4.2 5.1 12.7 17.1 22.3 28.2 27.4 21.7 15.4 7.0 -0.1 13.7 MINIMUN AIR TEMPERATURE (C) -1.8 -2.2 -1.4 5.4 7.1 10.6 17.1 16.3 9.6 5.9 0.9 -5.0 5.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 8 2 0 0 0 0 10 DAYS WITH MINIMUM TEMP. <=-4 11 9 12 0 0 0 0 0 0 0 0 22 54 DAYS WITH FREEZING MIN.<= 0 23 25 21 0 0 0 0 0 0 0 13 31 113 TEMPERATURE RECORDS LOWEST(C) -8.0 -8.0 -8.0 1.0 3.0 6.0 11.0 12.0 6.0 2.0 -3.0 -16.0 -16.0 DAY 15 14 23 8 9 1 2 29 15 24 23 25 MAXIMUM AIR TEMPERATURE (C) 10.6 11.3 11.4 20.1 26.5 32.6 37.1 35.9 32.3 24.9 13.5 5.4 21.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 2 26 31 31 25 8 0 0 123 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 4 4 TEMPERATURE RECORDS HIGHEST(C) 16.0 19.0 21.0 28.0 31.0 37.0 41.0 39.0 37.0 32.0 19.0 11.0 41.0 DAY 5 17 29 20 19 25 11 10 1 1 7 1 DIF. BETWEEN (MAX.-MIN.) (C) 12.4 13.5 12.8 14.7 19.4 22.0 20.0 19.6 22.7 19.0 12.6 10.4 16.6 MEAN DAILY TEMP. (MDT) (C) 4.4 4.5 5.0 12.8 16.8 21.6 27.1 26.1 20.9 15.4 7.2 0.2 13.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 0.0 36.5 189.5 159.0 30.5 0.0 0.0 0.0 415.5 HEATING DEG. DAYS(BASE 18 0C) 422.0 377.5 403.0 157.5 48.0 2.0 0.0 0.0 1.0 89.5 325.0 551.0 2376.5 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 25.3 73.1 48.1 35.0 6.4 1.0 0.0 0.0 0.0 23.7 54.4 27.9 294.9 DAYS WITH PRECIPITATION >=10 0 3 1 1 0 0 0 0 0 0 2 0 7 DAYS WITH PRECIPITATION >= 5 3 6 3 2 0 0 0 0 0 2 3 3 22 DAYS WITH PRECIPITATION >= 1 6 9 10 8 3 1 0 0 0 5 9 7 58 DAYS WITH PRECIPITATION 8 13 14 12 5 1 0 0 1 5 12 10 81 GREATEST DAILY PRECIPITATION 6.0 21.0 16.0 10.0 2.2 1.0 0.0 0.0 0.0 7.0 17.0 7.0 21.0 DAY 8 24 2 9 7 6 ** ** ** 30 18 14 DAY WITH THUNDER STORM 0 1 2 4 7 0 0 0 0 2 3 0 19 DAYS WITH SNOW OR SLEET 1 2 5 0 0 0 0 0 0 0 0 5 13 DAYS WITH DUST 0 0 0 0 0 0 0 0 0 0 0 1 1 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 315 315 315 135 135 270 PREVAILING WIND SPEED(KNOTS) 4.8 4.3 8.1 7.5 6.8 6.1 5.1 6.7 8.4 7.2 7.1 8.0 6.1 PREVAILING WIND PERCENT 18.1 20.5 22.6 19.6 20.2 28.8 21.8 20.6 24.2 20.6 22.3 19.8 17.9 CALMS PERCENT OF WIND 9.7 16.5 7.3 13.3 6.9 9.2 7.3 7.3 7.1 2.8 7.6 11.7 8.8 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 238 248 2918 VECTOR WIND DIRECTION (MEAN) 214 165 229 215 257 286 266 349 292 330 161 135 231 VECTOR WIND MAGNITUDE(KNOTS) 1.2 2.1 3.1 1.8 1.9 2.5 0.8 0.3 2.0 0.6 1.4 1.8 1.0 WIND STEADINESES (MEAN %) 26.1 34.4 43.7 31.0 31.1 45.5 13.1 5.1 35.1 10.0 25.5 36.0 17.2 WIND SPEED (MEAN KNOTS) 4.6 6.1 7.1 5.8 6.1 5.5 6.1 5.9 5.7 6.0 5.5 5.0 5.8 FASTEST WIND DIRECTION 180 130 230 180 230 230 90 50 310 270 180 130 230 FASTEST WIND SPEED (KNOTS) 24 30 32 30 24 18 24 24 30 24 24 24 32 DAY 16 10 12 27 6 6 18 4 24 4 16 5 DAYS WITH SKY CLEAR (0-2)/8 11 8 9 8 13 25 28 31 28 19 10 8 198 DAYS WITH P.CLOUDY (3-6)/8 11 9 17 16 17 5 3 0 2 10 11 10 111 DAYS WITH CLOUDY (7-8)/8 9 11 5 6 1 0 0 0 0 2 9 13 56 DAYS WITH VISIBILITY =< 2 KM 0 1 1 2 1 2 0 0 0 0 0 7 14 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 2.2 3.7 7.7 11.3 16.9 22.9 27.3 27.4 21.9 16.1 8.5 4.9 14.2 MINIMUN AIR TEMPERATURE (C) -3.0 -0.6 1.8 5.5 7.1 11.3 16.8 16.3 10.4 6.2 3.1 -0.1 6.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH MINIMUM TEMP. <=-4 14 3 2 0 0 0 0 0 0 0 0 5 24 DAYS WITH FREEZING MIN.<= 0 26 18 10 1 0 0 0 0 0 0 3 17 75 TEMPERATURE RECORDS LOWEST(C) -8.0 -7.0 -4.0 -1.0 4.0 7.0 13.0 12.0 6.0 2.0 0.0 -4.0 -8.0 DAY 20 1 1 6 15 4 2 27 29 29 16 9 MAXIMUM AIR TEMPERATURE (C) 8.4 9.6 14.4 17.6 25.7 33.5 36.1 35.9 31.7 25.2 13.9 10.6 21.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 3 30 31 31 23 1 0 0 119 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 13.0 14.0 21.0 26.0 31.0 37.0 39.0 37.0 37.0 31.0 21.0 15.0 39.0 DAY 25 23 22 24 30 26 20 1 1 2 5 17 DIF. BETWEEN (MAX.-MIN.) (C) 11.4 10.2 12.6 12.1 18.6 22.2 19.3 19.6 21.3 19.0 10.8 10.7 15.7 MEAN DAILY TEMP. (MDT) (C) 2.7 4.5 8.1 11.5 16.4 22.4 26.4 26.1 21.0 15.7 8.5 5.2 14.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 0.0 47.5 168.5 158.5 28.5 0.0 0.0 0.0 403.0 HEATING DEG. DAYS(BASE 18 0C) 474.0 378.5 307.0 195.0 55.5 0.0 0.0 0.0 2.5 73.5 285.0 395.5 2166.5 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** 7.6 7.8 7.1 2.8 1.1 4.4 2.0 ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** 7.91 7.96 7.71 5.53 4.90 6.12 5.15 ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** 10.82 10.88 10.57 7.63 6.81 8.49 7.16 ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** 19.76 27.41 28.28 21.31 13.02 2.95 1.74 ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** 41 31 30 31 40 78 82 *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** 60 47 45 50 64 90 92 *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** 26 20 20 19 24 59 67 *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** 57 44 44 50 62 89 90 *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** 29 23 23 22 28 65 73 *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** 29 23 22 20 32 76 82 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 12.2 73.7 111.6 106.4 0.0 0.0 0.0 0.3 0.0 4.2 61.9 89.0 459.3 DAYS WITH PRECIPITATION >=10 0 3 4 5 0 0 0 0 0 0 1 2 15 DAYS WITH PRECIPITATION >= 5 0 6 4 9 0 0 0 0 0 0 4 3 26 DAYS WITH PRECIPITATION >= 1 5 9 7 12 0 0 0 0 0 2 13 10 58 DAYS WITH PRECIPITATION 9 12 11 14 0 0 0 3 0 3 15 10 77 GREATEST DAILY PRECIPITATION 3.0 21.1 46.0 31.0 0.0 0.0 0.0 0.3 0.0 3.0 17.0 51.0 51.0 DAY 4 8 24 6 ** ** ** 2 ** 26 10 30 DAY WITH THUNDER STORM 0 0 1 9 2 1 0 0 0 2 5 0 20 DAYS WITH SNOW OR SLEET 3 1 0 1 0 0 0 0 0 0 0 0 5 DAYS WITH DUST 0 0 0 0 1 0 2 1 0 0 0 0 4 WIND DIRECTION (PREVAILING) 270 135 135 315 315 315 315 135 315 270 135 135 315 PREVAILING WIND SPEED(KNOTS) 5.2 7.3 7.0 7.6 7.6 6.9 7.0 7.8 6.3 7.2 5.8 6.1 6.9 PREVAILING WIND PERCENT 16.9 22.8 21.4 25.0 31.5 28.3 22.2 21.0 22.5 21.8 24.2 27.1 18.7 CALMS PERCENT OF WIND 8.5 7.6 6.9 2.1 7.7 6.3 1.2 3.6 2.9 2.4 8.3 6.5 5.3 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 247 2919 VECTOR WIND DIRECTION (MEAN) 253 195 180 240 289 273 260 136 244 248 137 141 224 VECTOR WIND MAGNITUDE(KNOTS) 1.3 1.6 1.4 1.1 3.4 2.3 1.0 0.8 1.4 1.7 1.8 3.2 1.0 WIND STEADINESES (MEAN %) 26.0 24.2 24.6 16.2 63.0 46.9 16.7 13.1 24.6 31.5 36.0 60.4 17.5 WIND SPEED (MEAN KNOTS) 5.0 6.6 5.7 6.8 5.4 4.9 6.0 6.1 5.7 5.4 5.0 5.3 5.7 FASTEST WIND DIRECTION 50 130 310 50 310 310 90 130 180 230 90 110 130 FASTEST WIND SPEED (KNOTS) 24 32 23 24 24 18 24 18 24 24 24 30 32 DAY 10 4 27 2 23 2 3 2 23 2 13 28 DAYS WITH SKY CLEAR (0-2)/8 13 6 7 3 24 30 31 25 28 22 8 9 206 DAYS WITH P.CLOUDY (3-6)/8 10 13 16 17 7 0 0 6 2 8 13 12 104 DAYS WITH CLOUDY (7-8)/8 8 9 8 10 0 0 0 0 0 1 9 10 55 DAYS WITH VISIBILITY =< 2 KM 3 1 0 0 0 0 0 0 0 1 1 0 6 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 862.8 861.6 863.7 865.9 871.0 871.9 871.8 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 868.6 866.3 869.2 870.3 875.9 877.7 881.3 ****** DAY-HOUR **-** **-** **-** **-** **-** 2- 6 20- 6 31- 6 23- 6 12- 6 5- 6 15- 6 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 858.4 858.0 858.9 860.3 865.8 862.4 861.1 ****** DAY-HOUR **-** **-** **-** **-** **-** 9-12 22-12 8-18 16-15 2-12 27-15 30-12 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1011.0 1009.6 1012.0 1014.5 1020.3 1021.3 1021.2 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1017.6 1015.0 1018.3 1019.5 1025.9 1027.9 1032.0 ****** DAY-HOUR **-** **-** **-** **-** **-** 2- 6 20- 6 31- 6 23- 6 12- 6 5- 6 15- 6 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.0 1005.5 1006.5 1008.1 1014.4 1010.5 1009.0 ****** DAY-HOUR **-** **-** **-** **-** **-** 9-12 22-12 8-18 16-15 2-12 27-15 30-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1001.6 998.0 1000.5 1005.9 1014.8 1019.8 1021.9 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1009.0 1003.6 1008.4 1013.1 1022.1 1028.0 1034.8 ****** DAY-HOUR **-** **-** **-** **-** **-** 3- 6 31- 3 31- 3 29- 3 21- 6 30-15 15- 6 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 996.7 992.7 993.5 999.7 1005.5 1010.8 1009.5 ****** DAY-HOUR **-** **-** **-** **-** **-** 9-12 21-15 8-21 16-12 2-12 27-15 30-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 862.8 861.9 863.9 866.0 871.1 872.0 871.9 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 867.4 864.7 868.5 869.7 874.7 876.6 879.9 ****** DAY ** ** ** ** ** 3 24 31 29 13 6 16 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 859.0 859.4 859.5 863.1 866.8 867.9 864.0 ****** DAY ** ** ** ** ** 10 22 9 16 2 24 31 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1011.0 1010.0 1012.3 1014.6 1020.4 1021.4 1021.3 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1016.2 1013.1 1017.5 1018.8 1024.5 1026.7 1030.4 ****** DAY ** ** ** ** ** 3 24 31 29 13 6 16 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.7 1007.1 1007.2 1011.3 1015.5 1016.8 1012.3 ****** DAY ** ** ** ** ** 10 22 9 16 2 24 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1001.5 998.5 1000.6 1005.6 1014.5 1019.5 1021.3 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.7 1002.3 1005.8 1012.2 1019.5 1022.6 1031.2 ****** DAY ** ** ** ** ** 3 24 31 29 21 6 16 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 998.0 995.2 994.3 1001.9 1007.5 1013.8 1011.9 ****** DAY ** ** ** ** ** 10 22 9 3 2 1 7 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 863.3 862.1 864.3 866.5 871.5 872.1 872.0 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 867.6 865.7 869.1 869.4 874.4 876.4 880.0 ****** DAY ** ** ** ** ** 3 31 31 23 21 6 16 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 859.8 858.7 860.6 862.3 867.5 867.9 863.7 ****** DAY ** ** ** ** ** 10 27 9 16 3 24 30 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1011.6 1010.1 1012.7 1015.2 1020.9 1021.5 1021.4 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1016.4 1014.3 1018.1 1018.5 1024.2 1026.4 1030.5 ****** DAY ** ** ** ** ** 3 31 31 23 21 6 16 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.6 1006.3 1008.5 1010.4 1016.3 1016.8 1012.0 ****** DAY ** ** ** ** ** 10 27 9 16 3 24 30 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.9 999.3 1002.4 1007.5 1016.7 1020.9 1023.1 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1008.7 1003.6 1008.4 1013.1 1021.8 1024.5 1033.5 ****** DAY ** ** ** ** ** 3 31 31 29 21 20 15 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 999.2 993.9 998.2 1002.5 1009.6 1016.6 1011.6 ****** DAY ** ** ** ** ** 10 27 7 16 1 1 30 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 863.8 862.4 864.7 867.2 872.4 872.9 872.6 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 868.6 866.3 869.2 870.3 875.9 877.7 881.3 ****** DAY ** ** ** ** ** 2 20 31 23 12 5 15 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 860.3 859.7 860.6 862.2 868.2 868.6 864.4 ****** DAY ** ** ** ** ** 9 27 10 16 2 24 30 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1012.2 1010.5 1013.2 1016.0 1021.9 1022.5 1022.1 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1017.6 1015.0 1018.3 1019.5 1025.9 1027.9 1032.0 ****** DAY ** ** ** ** ** 2 20 31 23 12 5 15 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1008.1 1007.5 1008.5 1010.3 1017.1 1017.6 1012.8 ****** DAY ** ** ** ** ** 9 27 10 16 2 24 30 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.7 998.8 1001.6 1007.5 1016.5 1021.3 1023.3 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1009.0 1002.9 1007.1 1012.3 1022.1 1026.5 1034.8 ****** DAY ** ** ** ** ** 3 31 31 29 21 5 15 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 999.4 994.7 996.2 1001.6 1010.0 1016.5 1013.0 ****** DAY ** ** ** ** ** 6 27 10 16 2 24 30 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 863.2 861.9 864.2 866.5 871.5 872.3 872.3 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 868.5 865.3 868.5 869.6 874.9 877.1 880.1 ****** DAY ** ** ** ** ** 2 31 31 23 12 5 16 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 858.8 859.5 861.2 861.7 867.5 868.4 863.5 ****** DAY ** ** ** ** ** 9 28 8 16 2 23 30 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1011.5 1009.9 1012.6 1015.1 1020.9 1021.8 1021.8 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1017.5 1013.8 1017.5 1018.7 1024.7 1027.2 1030.6 ****** DAY ** ** ** ** ** 2 31 31 23 12 5 16 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.4 1007.2 1009.2 1009.7 1016.3 1017.3 1011.8 ****** DAY ** ** ** ** ** 9 28 8 16 2 23 30 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1001.5 997.9 1000.5 1005.7 1014.6 1019.8 1021.9 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1008.5 1001.9 1005.5 1010.5 1019.0 1024.2 1031.7 ****** DAY ** ** ** ** ** 2 31 31 29 21 5 16 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 997.0 994.2 995.9 1000.5 1007.7 1015.5 1011.2 ****** DAY ** ** ** ** ** 9 21 9 16 2 2 6 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 862.1 860.8 862.9 865.1 869.9 871.0 870.8 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 866.7 864.5 867.2 868.1 873.1 875.1 879.0 ****** DAY ** ** ** ** ** 2 31 31 23 12 5 16 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 858.4 858.0 859.5 860.9 865.8 867.0 861.1 ****** DAY ** ** ** ** ** 9 22 8 16 2 23 30 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1010.2 1008.7 1011.1 1013.6 1019.0 1020.3 1020.1 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1015.4 1012.9 1016.0 1017.0 1022.7 1025.0 1029.4 ****** DAY ** ** ** ** ** 2 31 31 23 12 5 16 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.0 1005.5 1007.2 1008.8 1014.4 1015.8 1009.0 ****** DAY ** ** ** ** ** 9 22 8 16 2 23 30 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1000.4 997.0 999.3 1004.4 1012.9 1018.3 1020.0 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.3 1001.2 1004.7 1008.5 1017.2 1022.6 1029.8 ****** DAY ** ** ** ** ** 2 31 31 28 20 14 16 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 996.7 993.1 995.3 999.7 1005.5 1015.1 1009.5 ****** DAY ** ** ** ** ** 9 21 8 16 2 1 30 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 861.8 860.4 862.7 864.7 869.9 871.3 871.4 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 866.4 864.2 866.8 867.7 872.9 876.9 879.2 ****** DAY ** ** ** ** ** 2 31 30 23 12 30 16 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 858.6 858.2 859.6 860.3 865.9 862.4 862.1 ****** DAY ** ** ** ** ** 9 21 3 16 2 27 30 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1009.8 1008.3 1010.8 1013.2 1019.0 1020.6 1020.7 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1015.1 1012.6 1015.5 1016.6 1022.5 1027.0 1029.6 ****** DAY ** ** ** ** ** 2 31 30 23 12 30 16 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.2 1005.7 1007.3 1008.1 1014.5 1010.5 1010.2 ****** DAY ** ** ** ** ** 9 21 3 16 2 27 30 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1000.9 997.2 1000.1 1005.4 1014.8 1019.9 1022.2 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.8 1001.6 1006.1 1010.5 1019.3 1028.0 1032.0 ****** DAY ** ** ** ** ** 2 31 30 28 21 30 15 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 998.1 992.7 995.1 1000.3 1007.8 1010.8 1011.2 ****** DAY ** ** ** ** ** 24 21 3 16 2 27 30 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 862.7 861.3 863.4 865.7 870.9 871.6 871.7 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 867.7 864.8 867.9 868.9 874.1 876.1 879.6 ****** DAY ** ** ** ** ** 2 30 30 28 22 5 15 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 858.7 858.4 858.9 862.7 867.1 867.4 861.4 ****** DAY ** ** ** ** ** 9 26 8 11 1 23 30 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1010.9 1009.3 1011.6 1014.3 1020.1 1021.0 1021.1 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1016.6 1013.3 1016.8 1017.9 1023.8 1026.1 1030.1 ****** DAY ** ** ** ** ** 2 30 30 28 22 5 15 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.3 1006.0 1006.5 1010.9 1015.9 1016.2 1009.4 ****** DAY ** ** ** ** ** 9 26 8 11 1 23 30 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1001.5 997.6 1000.0 1005.8 1014.7 1019.8 1022.3 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.9 1001.8 1005.6 1012.2 1019.5 1024.3 1033.2 ****** DAY ** ** ** ** ** 2 23 30 28 20 5 15 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 997.3 993.1 993.8 1001.4 1008.5 1016.7 1011.2 ****** DAY ** ** ** ** ** 9 26 9 3 1 27 30 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 863.1 861.7 863.7 865.9 871.1 871.8 871.9 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 867.4 864.9 868.3 869.3 874.5 876.4 879.9 ****** DAY ** ** ** ** ** 2 31 30 28 12 5 15 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 858.8 858.7 859.1 863.1 867.1 867.6 862.8 ****** DAY ** ** ** ** ** 9 27 8 11 4 27 30 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1011.3 1009.8 1012.0 1014.5 1020.4 1021.2 1021.3 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1016.2 1013.4 1017.2 1018.4 1024.3 1026.4 1030.4 ****** DAY ** ** ** ** ** 2 31 30 28 12 5 15 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.4 1006.3 1006.8 1011.3 1015.9 1016.4 1011.0 ****** DAY ** ** ** ** ** 9 27 8 11 4 27 30 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1001.6 998.0 1000.0 1005.2 1014.2 1019.3 1021.6 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.8 1002.1 1004.9 1011.6 1019.8 1023.3 1032.0 ****** DAY ** ** ** ** ** 2 23 30 28 20 5 15 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 997.1 994.1 993.5 1001.1 1008.1 1016.1 1010.8 ****** DAY ** ** ** ** ** 9 26 8 3 2 27 6 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 1.8 5.2 7.3 12.2 15.9 22.8 25.6 26.0 21.6 15.2 9.1 3.7 13.9 MINIMUN AIR TEMPERATURE (C) -3.5 -1.7 1.3 4.1 7.6 11.2 13.4 14.0 9.5 4.9 2.2 -0.6 5.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH MINIMUM TEMP. <=-4 18 7 1 0 0 0 0 0 0 0 0 7 33 DAYS WITH FREEZING MIN.<= 0 30 21 12 2 0 0 0 0 0 2 7 17 91 TEMPERATURE RECORDS LOWEST(C) -7.0 -7.0 -4.0 0.0 3.0 9.0 11.0 10.0 7.0 0.0 -3.0 -7.0 -7.0 DAY 7 25 9 12 5 8 13 17 1 27 27 22 MAXIMUM AIR TEMPERATURE (C) 8.5 12.8 13.5 19.9 24.1 33.0 36.2 37.0 32.3 25.5 16.8 9.4 22.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 4 26 31 31 25 3 0 0 120 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 12.0 21.0 22.0 24.0 31.0 38.0 41.0 41.0 35.0 30.0 22.0 14.0 41.0 DAY 19 28 1 3 29 26 18 12 2 4 4 1 DIF. BETWEEN (MAX.-MIN.) (C) 12.0 14.5 12.2 15.8 16.5 21.8 22.8 23.0 22.8 20.6 14.6 10.0 17.2 MEAN DAILY TEMP. (MDT) (C) 2.5 5.6 7.4 12.0 15.9 22.1 24.8 25.5 20.9 15.2 9.5 4.4 13.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 0.0 44.0 118.5 140.0 17.5 0.0 0.0 0.0 320.0 HEATING DEG. DAYS(BASE 18 0C) 480.5 348.5 329.0 180.0 79.5 0.0 0.0 0.0 2.5 88.0 256.0 422.0 2186.0 DEWPOINT (MEAN C) -0.7 0.8 0.7 4.1 7.7 4.8 1.7 1.3 0.8 -1.9 1.1 -0.4 1.7 MIXING RATIO (G/KG) 4.30 4.83 4.78 6.06 7.76 6.34 5.12 4.97 4.94 4.00 4.94 4.38 5.20 VAPOUR PRESSURE (HPA) 5.98 6.69 6.60 8.38 10.68 8.71 7.03 6.84 6.82 5.56 6.86 6.08 7.19 SATURATION DEF. (HPA) 1.23 2.70 4.17 6.79 8.85 21.77 28.88 29.91 21.79 13.31 5.34 2.19 12.24 RELATIVE HUMIDITY (MEAN %) 84 76 67 62 63 35 24 23 28 34 61 76 53 RELATIVE HUMIDITY (MAX. %) 92 91 87 84 85 58 40 38 45 54 79 88 70 RELATIVE HUMIDITY (MIN. %) 71 57 47 38 40 18 13 12 17 19 42 56 36 RELATIVE HUMIDITY (MEAN% 03UTC) 88 87 83 82 83 54 39 37 45 53 76 84 68 RELATIVE HUMIDITY (MEAN% 09UTC) 80 66 57 46 46 21 15 14 21 23 47 66 42 RELATIVE HUMIDITY (MEAN% 15UTC) 84 69 55 49 51 22 14 12 19 26 57 74 44 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 31.2 8.6 90.7 52.9 50.6 5.1 0.0 0.0 0.0 0.0 30.0 55.7 324.8 DAYS WITH PRECIPITATION >=10 2 0 4 3 2 0 0 0 0 0 1 2 14 DAYS WITH PRECIPITATION >= 5 3 1 6 3 3 0 0 0 0 0 2 4 22 DAYS WITH PRECIPITATION >= 1 5 2 11 6 6 3 0 0 0 0 6 10 49 DAYS WITH PRECIPITATION 6 5 14 11 10 4 0 0 0 1 8 11 70 GREATEST DAILY PRECIPITATION 12.0 6.0 26.0 17.0 22.0 3.0 0.0 0.0 0.0 0.0 14.0 13.0 26.0 DAY 27 1 13 29 3 9 ** ** ** ** 9 26 DAY WITH THUNDER STORM 0 1 3 5 6 4 0 0 0 0 5 2 26 DAYS WITH SNOW OR SLEET 1 1 2 0 0 0 0 0 0 0 0 2 6 DAYS WITH DUST 0 2 0 1 0 0 1 0 0 0 0 0 4 WIND DIRECTION (PREVAILING) 135 225 270 270 90 270 270 270 270 270 270 180 270 PREVAILING WIND SPEED(KNOTS) 3.5 5.2 7.5 5.8 7.8 8.2 6.5 6.2 7.0 5.1 5.3 6.6 6.5 PREVAILING WIND PERCENT 29.1 21.4 24.6 24.2 16.6 23.3 33.5 30.6 26.7 19.4 22.5 23.0 22.1 CALMS PERCENT OF WIND 10.1 8.0 7.7 7.9 7.7 5.0 3.6 4.8 5.4 4.8 4.6 7.3 6.4 NO. OF WIND OBSERVATION 247 224 248 240 247 240 248 248 240 248 240 248 2918 VECTOR WIND DIRECTION (MEAN) 146 222 214 202 187 240 270 268 283 180 210 199 229 VECTOR WIND MAGNITUDE(KNOTS) 1.3 2.8 1.8 2.2 1.1 1.4 3.1 2.6 2.9 1.1 1.8 2.1 1.6 WIND STEADINESES (MEAN %) 38.2 43.7 27.3 38.6 19.0 21.5 54.4 46.4 49.2 19.3 34.0 37.5 28.1 WIND SPEED (MEAN KNOTS) 3.4 6.4 6.6 5.7 5.8 6.5 5.7 5.6 5.9 5.7 5.3 5.6 5.7 FASTEST WIND DIRECTION 90 180 270 230 160 90 270 310 310 160 180 110 180 FASTEST WIND SPEED (KNOTS) 18 40 24 24 30 18 24 24 24 30 18 24 40 DAY 31 22 4 22 21 2 30 4 9 11 9 26 DAYS WITH SKY CLEAR (0-2)/8 16 11 5 14 17 25 31 31 30 26 14 8 228 DAYS WITH P.CLOUDY (3-6)/8 8 14 16 11 10 5 0 0 0 5 12 15 96 DAYS WITH CLOUDY (7-8)/8 7 3 10 5 4 0 0 0 0 0 4 8 41 DAYS WITH VISIBILITY =< 2 KM 0 1 0 1 0 0 0 0 0 0 1 3 6 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 872.2 869.5 866.3 868.6 867.4 863.8 861.8 862.7 866.1 870.6 870.9 869.3 867.4 MAX. QFE PRESSURE IN HPA 879.4 899.9 881.3 874.0 872.6 868.3 866.3 866.3 886.3 877.3 877.0 876.8 899.9 DAY-HOUR 9- 6 14-12 31-21 2- 6 8- 6 1- 6 10- 6 23- 6 14-12 15- 0 16- 6 2-12 MIN. QFE PRESSURE IN HPA 864.1 861.0 859.5 862.2 860.7 858.9 858.5 858.7 856.4 866.0 865.1 861.0 856.4 DAY-HOUR 26-12 22-18 13- 3 9-12 21-12 30-12 18-15 14-12 26-21 5-12 24-12 29-21 MEAN QNH PRESSURE IN HPA 1021.6 1018.6 1015.0 1017.6 1016.2 1012.1 1009.8 1010.8 1014.7 1019.8 1020.2 1018.4 1016.2 MAX. QNH PRESSURE IN HPA 1029.9 1053.2 1032.0 1023.7 1022.1 1017.2 1015.0 1015.0 1037.7 1027.5 1027.1 1026.9 1053.2 DAY-HOUR 9- 6 14-12 31-21 2- 6 8- 6 1- 6 10- 6 23- 6 14-12 15- 0 16- 6 2-12 MIN. QNH PRESSURE IN HPA 1012.5 1008.9 1007.2 1010.3 1008.6 1006.5 1006.1 1006.3 1003.7 1014.6 1013.6 1008.9 1003.7 DAY-HOUR 26-12 22-18 13- 3 9-12 21-12 30-12 18-15 14-12 26-21 5-12 24-12 29-21 MEAN QFF PRESSURE IN HPA 1024.3 1019.2 1014.2 1014.1 1010.6 1003.0 999.3 1000.2 1006.3 1014.9 1018.6 1019.8 1012.0 MAX. QFF PRESSURE IN HPA 1035.5 1052.1 1029.6 1021.9 1019.1 1009.3 1004.8 1005.0 1029.0 1022.6 1029.2 1032.1 1052.1 DAY-HOUR 9- 6 14-12 31-21 19-12 8- 3 1- 3 12- 3 31- 3 14-12 15- 0 26- 6 22- 6 MIN. QFF PRESSURE IN HPA 1013.7 1006.7 1004.4 1006.9 1001.3 996.3 993.9 993.6 996.1 1007.1 1012.3 1009.2 993.6 DAY-HOUR 26-21 22-18 4-12 9-12 21-12 29-21 18-12 14-12 26-21 6-12 14-12 29-21 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 872.5 869.4 866.3 868.7 867.4 863.9 861.9 862.9 866.1 870.8 871.0 869.4 867.5 MAX. QFE PRESSURE IN HPA 878.3 874.9 871.5 872.8 872.2 867.6 865.5 866.0 871.1 877.3 875.9 874.9 878.3 DAY 10 8 31 2 9 1 12 21 21 15 27 3 MIN. QFE PRESSURE IN HPA 865.0 862.5 861.0 862.8 861.7 859.9 859.0 859.6 861.6 866.9 867.2 861.5 859.0 DAY 27 23 5 10 3 30 28 8 2 2 9 30 MEAN QNH PRESSURE IN HPA 1022.1 1018.4 1014.9 1017.7 1016.2 1012.2 1009.9 1011.1 1014.7 1020.1 1020.3 1018.5 1016.3 MAX. QNH PRESSURE IN HPA 1028.6 1024.7 1020.9 1022.3 1021.7 1016.4 1014.0 1014.6 1020.4 1027.5 1025.9 1024.7 1028.6 DAY 10 8 31 2 9 1 12 21 21 15 27 3 MIN. QNH PRESSURE IN HPA 1013.5 1010.6 1008.9 1011.0 1009.7 1007.7 1006.7 1007.3 1009.6 1015.6 1016.0 1009.5 1006.7 DAY 27 23 5 10 3 30 28 8 2 2 9 30 MEAN QFF PRESSURE IN HPA 1024.0 1018.5 1013.6 1014.1 1010.5 1003.2 999.5 1000.3 1005.7 1014.3 1017.8 1019.2 1011.7 MAX. QFF PRESSURE IN HPA 1032.2 1025.7 1020.0 1019.6 1017.7 1008.1 1003.4 1004.3 1012.2 1022.6 1026.7 1027.9 1032.2 DAY 10 8 15 20 9 1 12 31 21 15 27 22 MIN. QFF PRESSURE IN HPA 1014.7 1007.8 1005.7 1007.6 1004.1 997.7 995.6 995.5 1000.8 1008.3 1012.7 1010.1 995.5 DAY 27 23 5 26 22 30 20 15 1 7 9 30 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 872.6 869.6 866.3 869.0 867.8 864.3 862.4 863.2 866.5 871.1 871.1 869.4 867.8 MAX. QFE PRESSURE IN HPA 878.6 874.4 871.9 873.3 872.1 868.1 866.0 865.4 871.5 875.4 876.0 874.8 878.6 DAY 10 8 31 2 9 1 12 23 21 19 16 22 MIN. QFE PRESSURE IN HPA 865.4 862.9 859.5 863.1 862.1 860.4 859.1 860.1 862.0 867.5 867.1 861.8 859.1 DAY 27 23 13 10 3 30 6 8 1 2 23 29 MEAN QNH PRESSURE IN HPA 1022.1 1018.7 1014.9 1018.1 1016.7 1012.7 1010.6 1011.5 1015.2 1020.4 1020.5 1018.5 1016.6 MAX. QNH PRESSURE IN HPA 1028.9 1024.2 1021.3 1022.9 1021.6 1017.0 1014.6 1013.9 1020.9 1025.3 1026.0 1024.6 1028.9 DAY 10 8 31 2 9 1 12 23 21 19 16 22 MIN. QNH PRESSURE IN HPA 1013.9 1011.1 1007.2 1011.3 1010.2 1008.3 1006.8 1007.9 1010.1 1016.3 1015.9 1009.8 1006.8 DAY 27 23 13 10 3 30 6 8 1 2 23 29 MEAN QFF PRESSURE IN HPA 1025.5 1020.1 1015.0 1015.5 1011.9 1004.4 1001.0 1001.7 1007.8 1016.8 1020.0 1020.5 1013.4 MAX. QFF PRESSURE IN HPA 1034.5 1027.7 1020.9 1020.6 1019.1 1009.3 1004.8 1005.0 1013.6 1022.1 1028.2 1030.0 1034.5 DAY 10 25 31 1 8 1 12 31 21 23 27 22 MIN. QFF PRESSURE IN HPA 1015.9 1010.0 1006.3 1008.9 1005.3 1000.0 997.0 997.3 1002.6 1010.7 1014.0 1011.0 997.0 DAY 27 23 4 26 22 29 19 14 5 2 13 29 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 873.1 870.6 867.1 869.5 868.3 865.0 862.5 863.7 867.2 871.7 871.9 870.0 868.4 MAX. QFE PRESSURE IN HPA 879.4 877.1 872.7 874.0 872.6 868.3 866.3 866.3 872.9 875.4 877.0 876.0 879.4 DAY 9 7 31 2 8 1 10 23 21 19 16 22 MIN. QFE PRESSURE IN HPA 866.5 863.8 859.8 864.4 863.2 860.5 859.0 859.7 862.0 867.6 866.5 862.3 859.0 DAY 26 23 13 10 3 30 29 7 1 6 24 29 MEAN QNH PRESSURE IN HPA 1022.7 1019.9 1015.9 1018.7 1017.2 1013.5 1010.6 1012.0 1015.9 1021.1 1021.4 1019.1 1017.3 MAX. QNH PRESSURE IN HPA 1029.9 1027.2 1022.2 1023.7 1022.1 1017.2 1015.0 1015.0 1022.5 1025.3 1027.1 1026.0 1029.9 DAY 9 7 31 2 8 1 10 23 21 19 16 22 MIN. QNH PRESSURE IN HPA 1015.2 1012.1 1007.6 1012.8 1011.4 1008.4 1006.7 1007.5 1010.1 1016.4 1015.2 1010.4 1006.7 DAY 26 23 13 10 3 30 29 7 1 6 24 29 MEAN QFF PRESSURE IN HPA 1026.0 1021.1 1015.6 1015.1 1011.4 1004.1 1000.0 1001.6 1007.6 1016.5 1019.9 1021.0 1013.3 MAX. QFF PRESSURE IN HPA 1035.5 1030.2 1021.2 1020.5 1018.3 1008.1 1003.2 1004.7 1013.7 1021.3 1029.2 1032.1 1035.5 DAY 9 7 21 1 8 1 25 31 21 23 26 22 MIN. QFF PRESSURE IN HPA 1016.8 1011.3 1006.5 1009.4 1004.9 999.7 996.9 996.6 1002.0 1010.5 1013.0 1011.2 996.6 DAY 27 23 4 25 21 29 19 7 2 6 24 29 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 872.6 869.9 866.7 869.1 867.8 864.2 862.0 863.2 866.7 871.1 871.6 869.8 867.9 MAX. QFE PRESSURE IN HPA 878.7 874.7 872.1 874.0 872.4 867.7 865.8 865.6 872.1 875.5 876.9 875.8 878.7 DAY 9 8 31 19 8 1 10 22 21 22 26 21 MIN. QFE PRESSURE IN HPA 865.5 864.6 859.7 863.4 861.6 859.9 859.6 860.1 861.3 867.3 865.9 862.4 859.6 DAY 26 10 12 9 2 30 6 5 1 6 24 8 MEAN QNH PRESSURE IN HPA 1022.1 1019.1 1015.5 1018.1 1016.7 1012.6 1010.0 1011.4 1015.4 1020.4 1021.0 1018.9 1016.8 MAX. QNH PRESSURE IN HPA 1029.1 1024.5 1021.6 1023.7 1021.9 1016.6 1014.4 1014.2 1021.6 1025.4 1027.0 1025.8 1029.1 DAY 9 8 31 19 8 1 10 22 21 22 26 21 MIN. QNH PRESSURE IN HPA 1014.0 1013.0 1007.5 1011.7 1009.6 1007.7 1007.3 1007.9 1009.3 1016.1 1014.5 1010.5 1007.3 DAY 26 10 12 9 2 30 6 5 1 6 24 8 MEAN QFF PRESSURE IN HPA 1024.2 1019.1 1014.3 1014.1 1010.5 1003.0 999.2 1000.3 1006.3 1014.6 1018.7 1019.8 1012.0 MAX. QFF PRESSURE IN HPA 1033.6 1025.4 1019.2 1021.2 1018.2 1007.7 1002.9 1004.3 1012.2 1019.6 1027.9 1028.7 1033.6 DAY 9 25 18 19 8 1 10 30 20 22 26 21 MIN. QFF PRESSURE IN HPA 1015.2 1012.1 1006.1 1008.0 1003.0 997.3 995.2 995.2 1000.4 1008.7 1012.9 1010.3 995.2 DAY 26 22 4 27 21 30 20 14 1 6 24 8 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 871.3 869.4 865.7 868.0 866.8 863.0 861.0 861.9 865.7 869.8 870.1 868.8 866.8 MAX. QFE PRESSURE IN HPA 877.7 899.9 871.1 873.6 871.6 866.5 864.4 864.3 886.3 874.2 874.7 876.8 899.9 DAY 9 14 31 19 8 1 10 22 14 18 16 2 MIN. QFE PRESSURE IN HPA 864.1 863.1 861.0 862.2 860.7 858.9 858.7 858.7 859.3 866.0 865.1 861.8 858.7 DAY 26 22 13 9 21 30 18 14 25 5 24 29 MEAN QNH PRESSURE IN HPA 1020.7 1018.5 1014.2 1016.9 1015.5 1011.2 1008.9 1010.0 1014.3 1019.0 1019.3 1017.8 1015.5 MAX. QNH PRESSURE IN HPA 1027.9 1053.2 1020.4 1023.3 1021.0 1015.2 1012.8 1012.7 1037.7 1023.9 1024.5 1026.9 1053.2 DAY 9 14 31 19 8 1 10 22 14 18 16 2 MIN. QNH PRESSURE IN HPA 1012.5 1011.3 1008.9 1010.3 1008.6 1006.5 1006.3 1006.3 1007.0 1014.6 1013.6 1009.8 1006.3 DAY 26 22 13 9 21 30 18 14 25 5 24 29 MEAN QFF PRESSURE IN HPA 1022.4 1018.2 1013.0 1013.1 1009.6 1002.1 998.2 998.9 1005.2 1013.2 1016.8 1018.4 1010.8 MAX. QFF PRESSURE IN HPA 1031.5 1052.1 1018.5 1021.9 1017.3 1006.7 1001.9 1003.1 1029.0 1018.5 1024.1 1027.5 1052.1 DAY 9 14 14 19 8 1 10 30 14 18 26 23 MIN. QFF PRESSURE IN HPA 1014.2 1009.0 1004.4 1006.9 1001.3 996.8 993.9 993.6 997.9 1007.1 1012.3 1009.3 993.6 DAY 26 22 4 9 21 30 18 14 25 6 14 8 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 871.4 868.7 865.5 867.7 866.5 862.9 860.8 861.6 865.1 869.6 870.1 868.8 866.5 MAX. QFE PRESSURE IN HPA 877.6 879.7 870.4 872.8 871.0 866.7 864.4 863.5 870.2 874.0 875.0 875.8 879.7 DAY 9 18 31 19 8 1 10 30 21 18 16 2 MIN. QFE PRESSURE IN HPA 864.8 862.7 860.4 862.2 861.5 859.2 858.5 858.8 860.1 866.2 865.8 861.7 858.5 DAY 26 22 4 9 2 23 18 8 1 6 24 29 MEAN QNH PRESSURE IN HPA 1020.7 1017.7 1014.1 1016.5 1015.2 1011.1 1008.6 1009.6 1013.5 1018.8 1019.3 1017.8 1015.2 MAX. QNH PRESSURE IN HPA 1027.8 1030.2 1019.6 1022.3 1020.3 1015.4 1012.8 1011.8 1019.4 1023.7 1024.9 1025.8 1030.2 DAY 9 18 31 19 8 1 10 30 21 18 16 2 MIN. QNH PRESSURE IN HPA 1013.3 1010.9 1008.3 1010.3 1009.5 1006.9 1006.1 1006.4 1007.9 1014.8 1014.4 1009.7 1006.1 DAY 26 22 4 9 2 23 18 8 1 6 24 29 MEAN QFF PRESSURE IN HPA 1024.0 1018.7 1013.9 1013.7 1010.1 1002.5 998.5 999.4 1005.9 1015.1 1018.7 1019.8 1011.7 MAX. QFF PRESSURE IN HPA 1033.2 1030.5 1019.0 1020.9 1017.7 1009.1 1002.5 1002.9 1011.5 1020.0 1026.1 1027.8 1033.2 DAY 9 18 31 19 8 2 10 30 21 18 26 22 MIN. QFF PRESSURE IN HPA 1015.0 1009.0 1005.1 1007.7 1002.9 997.4 994.4 995.4 1000.7 1009.4 1014.0 1010.9 994.4 DAY 26 22 4 25 21 30 20 15 9 6 8 29 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 871.9 869.1 866.2 868.4 867.3 863.6 861.7 862.4 865.9 870.2 870.7 869.2 867.2 MAX. QFE PRESSURE IN HPA 877.7 873.3 871.8 872.8 872.2 866.9 865.8 864.9 870.4 874.6 875.5 874.7 877.7 DAY 9 8 30 19 8 2 10 22 20 22 26 21 MIN. QFE PRESSURE IN HPA 864.4 861.0 860.4 863.0 861.3 860.0 858.6 859.5 860.4 866.4 866.8 861.2 858.6 DAY 26 22 4 9 2 23 19 15 1 1 8 29 MEAN QNH PRESSURE IN HPA 1021.3 1018.1 1014.9 1017.4 1016.1 1011.9 1009.8 1010.5 1014.5 1019.4 1020.0 1018.3 1016.0 MAX. QNH PRESSURE IN HPA 1027.9 1022.9 1021.2 1022.3 1021.7 1015.6 1014.4 1013.4 1019.6 1024.4 1025.4 1024.5 1027.9 DAY 9 8 30 19 8 2 10 22 20 22 26 21 MIN. QNH PRESSURE IN HPA 1012.8 1008.9 1008.3 1011.2 1009.3 1007.8 1006.2 1007.2 1008.3 1015.1 1015.5 1009.2 1006.2 DAY 26 22 4 9 2 23 19 15 1 1 8 29 MEAN QFF PRESSURE IN HPA 1024.6 1019.1 1014.4 1013.8 1010.3 1002.4 998.9 1000.0 1006.1 1014.8 1018.6 1020.2 1011.9 MAX. QFF PRESSURE IN HPA 1033.3 1025.2 1020.3 1018.7 1017.1 1006.9 1003.1 1003.7 1011.1 1019.7 1027.6 1030.1 1033.3 DAY 9 8 14 1 8 3 10 30 22 22 26 21 MIN. QFF PRESSURE IN HPA 1014.2 1006.7 1004.8 1007.5 1005.1 998.5 994.2 995.5 999.4 1008.8 1013.3 1010.2 994.2 DAY 26 22 4 25 21 23 19 15 1 1 8 29 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 872.2 869.4 866.7 868.5 867.7 863.7 861.8 862.6 865.8 870.6 871.1 869.4 867.4 MAX. QFE PRESSURE IN HPA 877.9 873.9 881.3 872.8 872.5 866.6 865.5 865.2 870.7 874.8 876.1 874.9 881.3 DAY 9 7 31 1 8 1 10 22 20 22 26 21 MIN. QFE PRESSURE IN HPA 864.7 862.0 860.8 863.1 861.4 859.5 858.9 859.6 856.4 866.3 867.0 861.0 856.4 DAY 26 22 4 9 2 29 27 7 26 1 8 29 MEAN QNH PRESSURE IN HPA 1021.7 1018.4 1015.4 1017.5 1016.5 1012.0 1009.9 1010.7 1014.4 1019.8 1020.4 1018.4 1016.3 MAX. QNH PRESSURE IN HPA 1028.1 1023.6 1032.0 1022.3 1022.0 1015.3 1014.0 1013.7 1020.0 1024.6 1026.1 1024.7 1032.0 DAY 9 7 31 1 8 1 10 22 20 22 26 21 MIN. QNH PRESSURE IN HPA 1013.1 1010.1 1008.7 1011.3 1009.4 1007.2 1006.5 1007.3 1003.7 1015.0 1015.8 1008.9 1003.7 DAY 26 22 4 9 2 29 27 7 26 1 8 29 MEAN QFF PRESSURE IN HPA 1023.9 1018.5 1014.2 1013.5 1010.5 1002.4 999.3 999.8 1005.5 1014.1 1018.1 1019.4 1011.6 MAX. QFF PRESSURE IN HPA 1032.7 1025.3 1029.6 1020.0 1017.6 1006.5 1002.9 1003.5 1011.8 1019.1 1027.3 1028.8 1032.7 DAY 9 7 31 19 8 1 10 30 20 22 26 21 MIN. QFF PRESSURE IN HPA 1013.7 1007.0 1005.4 1007.3 1004.6 996.3 994.7 995.5 996.1 1008.1 1013.3 1009.2 994.7 DAY 26 22 4 25 21 29 19 14 26 1 8 29 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION KERMANSHAH (40766) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 34 21 N LONGITUDE 47 9 E DATA PROCESSING CENTER ELEVATION 1318.6 M MEANS AND EXTREMES FOR THE YEAR 1956 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 2.0 5.2 6.3 11.1 15.8 22.9 28.4 27.6 21.3 14.9 10.0 2.6 14.0 MINIMUN AIR TEMPERATURE (C) -2.3 -0.4 1.5 4.6 5.4 9.8 16.5 16.7 10.3 3.8 1.8 -2.2 5.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 4 5 0 0 0 0 9 DAYS WITH MINIMUM TEMP. <=-4 11 10 2 2 0 0 0 0 0 0 0 10 35 DAYS WITH FREEZING MIN.<= 0 26 13 11 3 0 0 0 0 0 9 18 21 101 TEMPERATURE RECORDS LOWEST(C) -8.0 -9.0 -7.0 -5.0 3.0 5.0 13.0 12.0 2.0 -3.0 -3.0 -13.0 -13.0 DAY 18 1 25 1 7 1 1 12 24 23 3 12 MAXIMUM AIR TEMPERATURE (C) 7.8 12.1 12.5 18.0 25.6 33.6 38.1 36.8 31.4 26.0 18.7 8.2 22.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 4 29 31 31 23 2 0 0 120 DAYS WITH MAXIMUM TEMP. <= 0 1 0 0 0 0 0 0 0 0 0 0 1 2 TEMPERATURE RECORDS HIGHEST(C) 11.0 16.0 20.0 25.0 32.0 39.0 42.0 41.0 36.0 30.0 24.0 18.0 42.0 DAY 4 15 15 26 19 24 1 3 1 8 6 5 DIF. BETWEEN (MAX.-MIN.) (C) 10.1 12.5 11.0 13.4 20.2 23.8 21.6 20.1 21.1 22.2 16.9 10.4 17.0 MEAN DAILY TEMP. (MDT) (C) 2.8 5.8 7.0 11.3 15.5 21.7 27.3 26.8 20.8 14.9 10.2 3.0 13.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 0.0 41.5 195.0 179.0 31.0 0.0 0.0 0.0 446.5 HEATING DEG. DAYS(BASE 18 0C) 471.5 353.5 341.5 202.0 78.5 0.5 0.0 0.0 8.0 97.5 233.0 465.0 2251.0 DEWPOINT (MEAN C) -2.2 -1.2 -0.7 3.3 0.1 -1.6 2.7 1.4 -0.9 -3.5 -5.3 -3.0 -0.9 MIXING RATIO (G/KG) 3.79 4.21 4.32 5.81 4.54 4.02 5.61 5.07 4.33 3.53 3.12 3.67 4.34 VAPOUR PRESSURE (HPA) 5.26 5.84 5.96 8.01 6.28 5.55 7.69 6.98 5.98 4.91 4.35 5.10 5.99 SATURATION DEF. (HPA) 2.01 3.42 4.20 6.07 13.31 25.43 34.10 32.44 21.60 13.95 8.75 2.79 14.01 RELATIVE HUMIDITY (MEAN %) 75 67 65 63 40 23 21 20 25 30 38 71 45 RELATIVE HUMIDITY (MAX. %) 87 83 84 83 64 41 36 33 41 49 58 86 62 RELATIVE HUMIDITY (MIN. %) 55 46 42 41 19 9 11 11 13 17 20 53 28 RELATIVE HUMIDITY (MEAN% 03UTC) 84 80 81 80 62 38 35 31 40 49 53 80 59 RELATIVE HUMIDITY (MEAN% 09UTC) 66 58 53 50 23 13 15 13 16 19 25 60 34 RELATIVE HUMIDITY (MEAN% 15UTC) 71 57 52 50 25 11 12 12 17 22 33 67 36 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 34.2 72.9 55.7 79.1 0.0 0.0 0.0 0.3 0.4 0.0 5.0 29.4 277.0 DAYS WITH PRECIPITATION >=10 1 2 2 3 0 0 0 0 0 0 0 1 9 DAYS WITH PRECIPITATION >= 5 3 6 5 7 0 0 0 0 0 0 0 1 22 DAYS WITH PRECIPITATION >= 1 6 9 10 10 0 0 0 0 0 0 2 6 43 DAYS WITH PRECIPITATION 7 13 16 15 0 1 0 2 1 0 3 11 69 GREATEST DAILY PRECIPITATION 11.0 23.0 12.0 15.0 0.0 0.0 0.0 0.3 0.4 0.0 4.0 16.0 23.0 DAY 14 8 30 13 **