STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 5.8 4.8 10.3 16.5 22.4 25.1 26.6 27.4 24.1 16.8 7.9 7.6 16.3 MINIMUN AIR TEMPERATURE (C) 2.1 1.2 5.5 11.1 15.5 19.6 21.7 22.4 19.5 12.7 5.3 4.3 11.7 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 1 6 19 27 10 0 0 0 63 DAYS WITH MINIMUM TEMP. <=-4 0 2 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH FREEZING MIN.<= 0 9 6 2 0 0 0 0 0 0 0 2 1 20 TEMPERATURE RECORDS LOWEST(C) -2.0 -10.2 -0.4 3.4 6.4 15.0 17.8 18.6 14.2 7.2 -3.8 -0.4 -10.2 DAY 7 17 13 24 9 5 7 23 26 8 30 3 MAXIMUM AIR TEMPERATURE (C) 8.9 8.6 14.6 20.8 26.7 32.1 32.8 33.6 30.3 22.9 11.4 11.7 21.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 3 8 19 28 26 17 1 0 0 102 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 19.2 18.0 24.8 33.0 33.0 42.0 38.6 38.0 37.2 36.6 24.6 21.0 42.0 DAY 29 27 8 19 26 28 24 11 3 1 9 23 DIF. BETWEEN (MAX.-MIN.) (C) 6.8 7.4 9.1 9.7 11.2 12.5 11.1 11.2 10.8 10.2 6.1 7.4 9.5 MEAN DAILY TEMP. (MDT) (C) 5.5 4.9 10.0 16.0 21.1 25.9 27.3 28.0 24.9 17.8 8.4 8.0 16.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 14.0 48.0 149.4 193.8 216.8 122.1 11.1 0.0 0.0 755.4 HEATING DEG. DAYS(BASE 18 0C) 387.7 366.6 250.3 94.7 19.4 0.0 0.0 0.0 0.0 39.8 289.7 309.6 1757.9 DEWPOINT (MEAN C) ***** 0.5 2.2 8.6 11.6 14.5 17.4 17.3 14.6 4.6 3.8 2.3 ***** MIXING RATIO (G/KG) ****** 4.19 4.81 7.44 9.14 11.20 13.26 13.32 11.36 5.81 5.36 4.77 ****** VAPOUR PRESSURE (HPA) ****** 6.47 7.39 11.37 13.91 16.94 20.02 20.11 17.22 8.97 8.27 7.37 ****** SATURATION DEF. (HPA) ****** 2.49 6.17 8.79 14.28 16.58 15.78 17.34 13.82 10.85 2.77 3.51 ****** RELATIVE HUMIDITY (MEAN %) *** 77 61 65 54 57 60 58 59 49 79 75 *** RELATIVE HUMIDITY (MAX. %) *** 88 75 78 72 79 78 80 78 67 92 89 *** RELATIVE HUMIDITY (MIN. %) *** 66 49 53 39 38 40 36 40 33 64 59 *** RELATIVE HUMIDITY (MEAN% 03UTC) *** 83 68 73 69 68 73 76 72 58 82 76 *** RELATIVE HUMIDITY (MEAN% 09UTC) *** 73 55 60 47 49 47 44 48 39 70 71 *** RELATIVE HUMIDITY (MEAN% 15UTC) *** 78 62 65 51 47 48 43 49 44 80 76 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 27.6 45.4 48.1 39.8 1.6 12.0 28.2 3.0 2.2 8.0 57.8 23.8 297.5 DAYS WITH PRECIPITATION >=10 1 1 2 2 0 0 1 0 0 0 2 0 9 DAYS WITH PRECIPITATION >= 5 3 4 4 3 0 0 2 0 0 1 4 3 24 DAYS WITH PRECIPITATION >= 1 6 8 7 6 1 5 4 1 1 1 12 6 58 DAYS WITH PRECIPITATION 9 15 10 10 4 7 5 3 2 2 14 10 91 GREATEST DAILY PRECIPITATION 10.0 10.0 14.0 15.0 1.0 4.0 21.0 2.0 2.0 8.0 12.1 6.2 21.0 DAY 15 16 9 14 28 2 22 23 25 29 3 8 DAY WITH THUNDER STORM 0 0 0 0 0 0 3 0 1 0 0 0 4 DAYS WITH SNOW OR SLEET 5 5 1 0 0 0 0 0 0 0 4 3 18 DAYS WITH DUST 0 0 0 0 0 0 0 0 1 2 0 0 3 WIND DIRECTION (PREVAILING) 180 135 270 270 225 180 225 180 270 180 225 135 180 PREVAILING WIND SPEED(KNOTS) 7.6 10.8 5.4 3.9 9.4 9.2 8.4 8.6 5.6 8.5 13.3 14.2 9.1 PREVAILING WIND PERCENT 16.8 11.4 16.8 15.3 18.1 23.4 20.2 18.1 15.4 17.7 9.2 18.1 13.9 CALMS PERCENT OF WIND 48.4 54.3 43.9 56.0 48.4 35.1 26.6 40.3 36.7 46.4 69.2 60.1 46.5 NO. OF WIND OBSERVATION 155 140 155 150 155 239 248 248 240 248 240 248 2466 VECTOR WIND DIRECTION (MEAN) 164 185 199 216 224 205 221 215 219 196 210 157 200 VECTOR WIND MAGNITUDE(KNOTS) 3.4 1.9 3.0 1.0 2.8 3.3 3.7 2.6 2.6 2.2 1.8 3.2 2.4 WIND STEADINESES (MEAN %) 77.3 59.4 63.8 45.5 71.8 68.7 69.8 66.7 60.5 59.5 66.7 82.1 61.5 WIND SPEED (MEAN KNOTS) 4.4 3.2 4.7 2.2 3.9 4.8 5.3 3.9 4.3 3.7 2.7 3.9 3.9 FASTEST WIND DIRECTION 140 200 140 150 240 220 180 180 190 190 210 140 140 FASTEST WIND SPEED (KNOTS) 31 19 39 17 23 37 39 19 29 39 29 39 39 DAY 26 28 8 8 8 29 10 2 4 28 14 7 DAYS WITH SKY CLEAR (0-2)/8 11 8 10 5 4 18 16 23 20 22 3 9 149 DAYS WITH P.CLOUDY (3-6)/8 9 5 10 8 20 4 12 6 4 5 11 10 104 DAYS WITH CLOUDY (7-8)/8 11 15 11 17 7 8 3 2 6 4 16 12 112 DAYS WITH VISIBILITY =< 2 KM 2 7 1 4 0 0 0 1 1 1 11 11 39 DURATION OF SUNSHINE HOURS 165.7 123.8 208.0 199.7 254.0 280.8 317.1 311.1 246.2 252.7 108.9 128.1 2596.1 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 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 ****** 967.9 964.8 961.8 960.8 958.8 959.4 960.0 961.5 969.9 969.1 968.7 ****** MAX. QFE PRESSURE IN HPA ****** 979.6 977.3 970.5 973.1 971.6 965.7 965.7 971.9 977.4 980.0 977.2 ****** DAY-HOUR **-** 9-15 16- 6 23- 6 9- 6 22- 9 27- 6 24- 6 23- 3 20- 6 21- 6 6- 9 MIN. QFE PRESSURE IN HPA ****** 957.2 950.9 949.8 954.1 950.6 951.6 951.1 951.1 954.4 954.2 960.4 ****** DAY-HOUR **-** 21- 3 8- 3 11-15 13- 3 16-15 24-15 12-15 3-15 1-12 10-12 13-12 MEAN QNH PRESSURE IN HPA ****** 1022.1 1018.8 1015.7 1014.7 1012.5 1013.1 1013.8 1015.4 1024.1 1023.3 1022.9 ****** MAX. QNH PRESSURE IN HPA ****** 1034.3 1031.9 1024.8 1027.5 1025.9 1019.8 1019.8 1026.2 1032.0 1034.7 1031.8 ****** DAY-HOUR **-** 9-15 16- 6 23- 6 9- 6 22- 9 27- 6 24- 6 23- 3 20- 6 21- 6 6- 9 MIN. QNH PRESSURE IN HPA ****** 1010.9 1004.3 1003.1 1007.6 1004.0 1005.0 1004.5 1004.5 1007.9 1007.7 1014.2 ****** DAY-HOUR **-** 21- 3 8- 3 11-15 13- 3 16-15 24-15 12-15 3-15 1-12 10-12 13-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1010.0 1010.3 1010.8 1013.1 1023.4 1024.3 1024.0 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1024.7 1016.9 1017.6 1025.0 1031.3 1036.4 1034.0 ****** DAY-HOUR **-** **-** **-** **-** **-** 22- 6 27- 6 24- 6 23- 3 20- 6 21- 6 6- 9 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1000.6 1001.3 1001.2 1001.1 1005.0 1007.3 1014.2 ****** DAY-HOUR **-** **-** **-** **-** **-** 16-15 24-15 12-15 3-15 1-12 10- 9 13-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 958.9 959.5 960.0 961.6 969.5 968.7 968.6 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 969.6 964.7 964.1 971.1 976.3 978.4 973.7 ****** DAY ** ** ** ** ** 23 27 29 23 20 21 20 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 952.1 952.2 952.4 953.4 957.4 955.5 962.2 ****** DAY ** ** ** ** ** 17 25 12 14 1 10 28 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1012.6 1013.3 1013.8 1015.4 1023.7 1022.9 1022.8 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1023.8 1018.7 1018.1 1025.4 1030.8 1033.0 1028.1 ****** DAY ** ** ** ** ** 23 27 29 23 20 21 20 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1005.5 1005.6 1005.8 1006.9 1011.1 1009.1 1016.1 ****** DAY ** ** ** ** ** 17 25 12 14 1 10 28 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1010.1 1010.3 1010.7 1013.0 1022.7 1023.7 1023.9 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1022.7 1015.8 1015.6 1023.9 1030.2 1034.8 1030.1 ****** DAY ** ** ** ** ** 23 28 24 23 8 22 9 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.0 1001.8 1002.2 1003.9 1008.6 1007.9 1016.2 ****** DAY ** ** ** ** ** 17 25 12 14 1 10 28 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** 967.9 964.5 962.2 960.9 959.3 960.3 960.9 962.4 970.0 969.0 969.0 ****** MAX. QFE PRESSURE IN HPA ****** 977.5 975.8 969.9 972.8 970.7 965.5 965.1 971.9 976.6 979.2 975.1 ****** DAY ** 9 16 24 9 22 27 24 23 20 21 6 MIN. QFE PRESSURE IN HPA ****** 957.2 950.9 955.0 954.1 953.3 953.7 953.2 954.7 957.2 955.4 962.1 ****** DAY ** 21 8 8 13 17 25 12 14 1 10 5 MEAN QNH PRESSURE IN HPA ****** 1022.1 1018.5 1016.1 1014.8 1013.1 1014.1 1014.8 1016.3 1024.2 1023.2 1023.2 ****** MAX. QNH PRESSURE IN HPA ****** 1032.1 1030.3 1024.1 1027.2 1025.0 1019.5 1019.1 1026.2 1031.1 1033.9 1029.6 ****** DAY ** 9 16 24 9 22 27 24 23 20 21 6 MIN. QNH PRESSURE IN HPA ****** 1010.9 1004.3 1008.6 1007.6 1006.8 1007.2 1006.7 1008.3 1010.9 1009.0 1016.0 ****** DAY ** 21 8 8 13 17 25 12 14 1 10 5 MEAN QFF PRESSURE IN HPA ****** 1024.0 1019.3 1015.7 1013.2 1010.6 1011.3 1011.8 1014.1 1023.6 1024.3 1024.4 ****** MAX. QFF PRESSURE IN HPA ****** 1033.4 1032.2 1025.3 1028.0 1023.8 1016.7 1016.9 1025.0 1030.9 1036.0 1031.5 ****** DAY ** 9 16 24 9 22 27 24 23 8 30 6 MIN. QFF PRESSURE IN HPA ****** 1011.7 1003.0 1006.7 1005.2 1002.7 1003.4 1003.4 1005.7 1008.8 1008.4 1017.2 ****** DAY ** 21 8 11 13 28 25 12 14 1 10 18 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 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 ****** 968.9 965.6 962.9 961.5 959.5 960.4 961.3 962.9 970.9 969.7 969.6 ****** MAX. QFE PRESSURE IN HPA ****** 979.0 977.3 970.5 973.1 971.5 965.7 965.7 971.7 977.4 980.0 976.9 ****** DAY ** 9 16 23 9 22 27 24 23 20 21 6 MIN. QFE PRESSURE IN HPA ****** 957.9 951.8 954.0 955.8 953.6 954.9 953.4 955.2 956.9 955.7 961.7 ****** DAY ** 21 8 8 31 28 24 12 14 1 10 5 MEAN QNH PRESSURE IN HPA ****** 1023.1 1019.6 1016.8 1015.3 1013.3 1014.2 1015.2 1016.9 1025.1 1023.9 1023.8 ****** MAX. QNH PRESSURE IN HPA ****** 1033.7 1031.9 1024.8 1027.5 1025.8 1019.8 1019.8 1026.0 1032.0 1034.7 1031.5 ****** DAY ** 9 16 23 9 22 27 24 23 20 21 6 MIN. QNH PRESSURE IN HPA ****** 1011.6 1005.2 1007.5 1009.4 1007.1 1008.5 1006.9 1008.8 1010.6 1009.3 1015.6 ****** DAY ** 21 8 8 31 28 24 12 14 1 10 5 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1010.8 1011.4 1012.3 1014.6 1024.4 1025.0 1025.0 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1024.7 1016.9 1017.6 1024.7 1031.3 1036.4 1033.7 ****** DAY ** ** ** ** ** 22 27 24 23 20 21 6 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1003.0 1005.0 1003.5 1005.8 1007.6 1009.0 1016.3 ****** DAY ** ** ** ** ** 28 24 12 14 1 10 18 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** 968.1 965.1 962.0 961.0 958.9 959.4 960.3 961.7 970.0 969.0 968.5 ****** MAX. QFE PRESSURE IN HPA ****** 979.5 976.8 970.3 972.7 971.6 965.4 964.7 971.0 975.9 978.5 977.2 ****** DAY ** 9 16 23 9 22 27 24 22 20 21 6 MIN. QFE PRESSURE IN HPA ****** 959.1 952.2 952.7 955.3 953.2 953.7 952.5 953.5 955.6 954.3 960.9 ****** DAY ** 21 8 11 31 28 24 12 3 1 10 5 MEAN QNH PRESSURE IN HPA ****** 1022.3 1019.1 1015.8 1014.9 1012.7 1013.2 1014.1 1015.5 1024.2 1023.2 1022.7 ****** MAX. QNH PRESSURE IN HPA ****** 1034.2 1031.4 1024.6 1027.1 1025.9 1019.4 1018.7 1025.3 1030.4 1033.1 1031.8 ****** DAY ** 9 16 23 9 22 27 24 22 20 21 6 MIN. QNH PRESSURE IN HPA ****** 1012.9 1005.6 1006.2 1008.9 1006.7 1007.2 1006.0 1007.0 1009.2 1007.8 1014.7 ****** DAY ** 21 8 11 31 28 24 12 3 1 10 5 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1010.0 1010.3 1011.1 1013.1 1023.3 1024.1 1023.7 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1024.7 1016.5 1016.3 1023.7 1030.2 1034.8 1034.0 ****** DAY ** ** ** ** ** 22 27 24 22 7 30 6 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.7 1003.6 1002.6 1003.6 1006.2 1007.3 1015.0 ****** DAY ** ** ** ** ** 28 24 12 3 1 10 18 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** 967.1 964.3 960.9 960.3 957.9 958.2 959.0 960.4 968.9 968.7 967.9 ****** MAX. QFE PRESSURE IN HPA ****** 978.9 975.5 969.5 972.4 971.3 964.2 963.4 969.7 974.7 978.7 976.7 ****** DAY ** 9 16 23 9 22 27 24 22 7 21 6 MIN. QFE PRESSURE IN HPA ****** 959.6 954.2 950.9 954.9 951.8 952.0 951.6 951.3 954.4 954.2 960.4 ****** DAY ** 27 3 11 31 16 24 12 3 1 10 13 MEAN QNH PRESSURE IN HPA ****** 1021.3 1018.3 1014.7 1014.1 1011.6 1011.9 1012.8 1014.2 1023.1 1022.9 1022.0 ****** MAX. QNH PRESSURE IN HPA ****** 1033.6 1030.0 1023.7 1026.8 1025.6 1018.2 1017.3 1023.9 1029.2 1033.3 1031.3 ****** DAY ** 9 16 23 9 22 27 24 22 7 21 6 MIN. QNH PRESSURE IN HPA ****** 1013.4 1007.7 1004.3 1008.5 1005.2 1005.4 1005.0 1004.7 1007.9 1007.7 1014.2 ****** DAY ** 27 3 11 31 16 24 12 3 1 10 13 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1008.9 1009.0 1009.8 1011.8 1022.2 1023.8 1023.1 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1024.4 1015.3 1014.9 1022.4 1029.5 1035.0 1033.5 ****** DAY ** ** ** ** ** 22 27 24 22 7 21 6 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1001.7 1001.8 1001.7 1001.2 1005.0 1007.3 1014.2 ****** DAY ** ** ** ** ** 28 24 12 3 1 10 13 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 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 ****** 967.7 964.6 961.1 960.4 957.9 958.1 958.8 960.5 969.6 969.4 968.8 ****** MAX. QFE PRESSURE IN HPA ****** 979.6 975.4 969.6 972.1 971.1 964.1 964.2 970.2 975.5 979.0 975.6 ****** DAY ** 9 16 23 9 22 27 28 22 7 21 6 MIN. QFE PRESSURE IN HPA ****** 958.4 953.0 949.8 955.8 950.6 951.6 951.1 951.1 956.3 955.2 961.1 ****** DAY ** 6 5 11 17 16 24 12 3 28 10 13 MEAN QNH PRESSURE IN HPA ****** 1021.8 1018.6 1014.9 1014.3 1011.6 1011.8 1012.6 1014.4 1023.9 1023.6 1023.0 ****** MAX. QNH PRESSURE IN HPA ****** 1034.3 1029.9 1023.8 1026.4 1025.4 1018.1 1018.2 1024.5 1030.0 1033.7 1030.1 ****** DAY ** 9 16 23 9 22 27 28 22 7 21 6 MIN. QNH PRESSURE IN HPA ****** 1012.1 1006.5 1003.1 1009.4 1004.0 1005.0 1004.5 1004.5 1009.9 1008.8 1014.9 ****** DAY ** 6 5 11 17 16 24 12 3 28 10 13 MEAN QFF PRESSURE IN HPA ****** 1023.7 1019.4 1014.4 1012.6 1009.1 1009.0 1009.7 1012.2 1023.3 1024.7 1024.2 ****** MAX. QFF PRESSURE IN HPA ****** 1036.2 1031.8 1024.9 1026.6 1024.2 1015.4 1015.2 1023.2 1030.6 1035.6 1032.5 ****** DAY ** 9 16 23 9 22 27 28 22 7 21 6 MIN. QFF PRESSURE IN HPA ****** 1013.9 1006.7 1000.7 1006.8 1000.6 1001.3 1001.2 1001.1 1007.7 1008.5 1015.1 ****** DAY ** 6 5 11 17 16 24 12 3 1 10 13 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 959.1 959.6 959.9 961.6 970.2 969.5 969.0 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 971.5 965.3 964.1 971.3 975.8 978.9 974.5 ****** DAY ** ** ** ** ** 22 27 28 22 7 21 26 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 951.4 952.0 952.5 951.9 957.7 955.4 961.2 ****** DAY ** ** ** ** ** 16 24 12 3 28 10 13 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1012.8 1013.4 1013.7 1015.4 1024.5 1023.8 1023.2 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1025.8 1019.3 1018.1 1025.6 1030.3 1033.6 1029.0 ****** DAY ** ** ** ** ** 22 27 28 22 7 21 26 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1004.8 1005.4 1006.0 1005.3 1011.4 1009.0 1015.0 ****** DAY ** ** ** ** ** 16 24 12 3 28 10 13 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1010.4 1010.6 1010.8 1013.1 1024.3 1024.9 1024.3 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1024.7 1016.6 1015.8 1024.3 1030.9 1035.5 1030.8 ****** DAY ** ** ** ** ** 22 27 23 22 7 21 8 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1001.4 1001.9 1002.5 1002.0 1012.0 1008.7 1015.0 ****** DAY ** ** ** ** ** 16 24 12 3 1 10 13 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 959.0 959.6 959.9 961.4 970.1 969.0 968.7 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 970.9 965.1 965.6 971.4 975.5 978.8 973.8 ****** DAY ** ** ** ** ** 22 27 28 22 7 21 26 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 951.4 951.9 953.3 952.9 961.2 955.6 962.2 ****** DAY ** ** ** ** ** 16 24 11 3 28 10 27 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1012.7 1013.4 1013.7 1015.3 1024.3 1023.2 1022.9 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1025.2 1019.1 1019.7 1025.7 1030.0 1033.4 1028.2 ****** DAY ** ** ** ** ** 22 27 28 22 7 21 26 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1004.8 1005.3 1006.8 1006.4 1015.0 1009.2 1016.1 ****** DAY ** ** ** ** ** 16 24 11 3 28 10 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1010.2 1010.5 1010.7 1012.9 1023.5 1024.2 1023.9 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1023.9 1016.3 1016.5 1024.3 1030.4 1035.1 1029.9 ****** DAY ** ** ** ** ** 22 27 28 22 7 21 8 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1001.3 1001.6 1003.3 1002.9 1013.2 1008.7 1015.3 ****** DAY ** ** ** ** ** 16 24 11 3 28 10 27 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 7.0 3.7 9.4 15.9 21.5 23.2 25.9 26.4 22.2 17.1 13.8 6.2 16.0 MINIMUN AIR TEMPERATURE (C) 3.8 0.4 6.1 11.6 16.3 18.6 21.1 22.3 18.2 13.5 10.6 3.2 12.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 2 3 21 28 1 0 0 0 56 DAYS WITH MINIMUM TEMP. <=-4 0 4 0 0 0 0 0 0 0 0 0 0 4 DAYS WITH FREEZING MIN.<= 0 3 12 0 0 0 0 0 0 0 0 0 9 24 TEMPERATURE RECORDS LOWEST(C) -1.2 -5.0 2.4 1.4 9.6 13.0 18.0 20.4 15.8 7.4 6.4 -3.4 -5.0 DAY 22 10 2 5 7 6 2 9 16 25 12 6 MAXIMUM AIR TEMPERATURE (C) 11.1 8.3 13.4 21.0 27.9 29.4 32.0 32.1 27.6 22.0 18.1 10.1 21.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 4 10 14 26 23 6 0 0 0 83 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 19.4 19.6 25.4 34.0 35.0 38.2 36.5 37.6 31.6 29.4 26.6 18.2 38.2 DAY 4 27 7 25 27 1 4 10 12 18 22 2 DIF. BETWEEN (MAX.-MIN.) (C) 7.3 7.9 7.3 9.4 11.6 10.8 10.9 9.8 9.4 8.5 7.5 6.9 9.0 MEAN DAILY TEMP. (MDT) (C) 7.4 4.4 9.7 16.3 22.1 24.0 26.5 27.2 22.9 17.7 14.4 6.6 16.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 27.6 63.5 100.4 171.8 191.5 59.4 6.4 0.0 0.0 620.7 HEATING DEG. DAYS(BASE 18 0C) 327.2 381.1 256.1 103.8 8.2 0.0 0.0 0.0 0.0 45.9 118.5 352.7 1593.5 DEWPOINT (MEAN C) 1.2 -1.5 4.5 8.6 12.0 15.8 16.3 18.7 11.8 10.8 8.2 -0.4 8.8 MIXING RATIO (G/KG) 4.44 3.67 5.59 7.64 9.41 12.08 12.36 14.48 9.41 8.62 7.23 4.06 8.25 VAPOUR PRESSURE (HPA) 6.84 5.66 8.59 11.68 14.31 18.25 18.63 21.78 14.38 13.23 11.06 6.26 12.56 SATURATION DEF. (HPA) 3.62 2.70 3.80 7.81 12.54 11.41 15.59 13.34 12.83 6.84 5.24 3.65 8.28 RELATIVE HUMIDITY (MEAN %) 71 73 77 65 59 67 58 66 56 69 72 66 67 RELATIVE HUMIDITY (MAX. %) 87 91 93 84 78 85 76 84 72 83 86 81 83 RELATIVE HUMIDITY (MIN. %) 54 56 61 51 42 52 40 46 39 53 60 52 51 RELATIVE HUMIDITY (MEAN% 03UTC) 70 77 76 73 69 76 72 79 65 75 75 71 73 RELATIVE HUMIDITY (MEAN% 09UTC) 68 65 71 57 48 57 46 53 44 60 68 60 58 RELATIVE HUMIDITY (MEAN% 15UTC) 74 76 79 63 51 58 46 54 49 69 72 69 63 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 54.0 65.3 63.9 12.8 6.5 10.9 0.0 2.3 85.6 42.8 50.0 40.0 434.1 DAYS WITH PRECIPITATION >=10 2 2 2 0 0 0 0 0 2 0 1 2 11 DAYS WITH PRECIPITATION >= 5 3 5 4 1 1 1 0 0 2 4 5 3 29 DAYS WITH PRECIPITATION >= 1 9 10 11 3 2 4 0 1 4 11 8 7 70 DAYS WITH PRECIPITATION 12 14 18 6 5 5 0 4 4 12 9 8 97 GREATEST DAILY PRECIPITATION 15.0 22.0 16.0 6.0 5.0 6.3 0.0 1.0 62.6 9.0 19.0 13.5 62.6 DAY 17 9 27 3 6 5 ** 26 14 15 9 4 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 1 0 0 1 DAYS WITH SNOW OR SLEET 2 7 0 0 0 0 0 0 0 0 0 4 13 DAYS WITH DUST 0 0 0 0 0 0 0 0 0 0 0 0 0 WIND DIRECTION (PREVAILING) 135 270 135 180 180 180 180 180 180 180 135 135 180 PREVAILING WIND SPEED(KNOTS) 14.7 4.8 13.2 10.2 11.3 10.5 11.2 7.6 7.8 7.7 13.2 10.7 9.5 PREVAILING WIND PERCENT 16.9 10.3 10.1 11.7 15.7 15.8 23.0 20.2 21.7 13.3 15.9 21.0 13.1 CALMS PERCENT OF WIND 55.6 64.3 60.9 52.5 39.1 39.2 29.8 39.1 33.3 56.5 61.9 55.6 48.9 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 239 248 2919 VECTOR WIND DIRECTION (MEAN) 175 187 183 198 207 214 213 217 190 183 165 164 193 VECTOR WIND MAGNITUDE(KNOTS) 3.2 1.8 2.7 1.9 3.1 3.2 4.7 2.5 2.6 1.6 2.5 2.7 2.6 WIND STEADINESES (MEAN %) 72.7 60.0 71.1 57.6 70.5 66.7 78.3 67.6 59.1 64.0 71.4 71.1 65.0 WIND SPEED (MEAN KNOTS) 4.4 3.0 3.8 3.3 4.4 4.8 6.0 3.7 4.4 2.5 3.5 3.8 4.0 FASTEST WIND DIRECTION 150 150 150 190 180 180 200 210 210 140 140 150 150 FASTEST WIND SPEED (KNOTS) 39 39 39 23 39 31 25 23 19 19 35 27 39 DAY 4 1 6 25 4 23 9 17 13 18 20 3 DAYS WITH SKY CLEAR (0-2)/8 11 7 5 10 15 13 20 12 22 15 14 14 158 DAYS WITH P.CLOUDY (3-6)/8 8 5 5 9 10 4 7 14 6 10 4 6 88 DAYS WITH CLOUDY (7-8)/8 12 16 21 11 6 13 4 5 2 6 12 11 119 DAYS WITH VISIBILITY =< 2 KM 5 7 17 2 0 0 0 1 1 1 7 6 47 DURATION OF SUNSHINE HOURS 138.5 135.1 118.4 232.2 283.2 218.1 290.3 253.5 301.2 222.3 163.5 152.9 2509.2 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 965.7 966.3 964.6 963.7 961.2 958.3 956.7 958.0 966.1 968.1 963.2 967.4 963.3 MAX. QFE PRESSURE IN HPA 979.5 981.4 975.6 980.2 970.6 963.4 962.3 963.4 971.6 976.2 972.9 979.6 981.4 DAY-HOUR 9-15 18- 6 1- 6 5- 6 18- 6 21- 6 2- 3 15- 6 23- 6 23-18 2- 6 21-18 MIN. QFE PRESSURE IN HPA 950.7 946.4 948.3 951.4 951.4 949.9 950.0 950.5 960.2 958.4 950.7 947.6 946.4 DAY-HOUR 16-12 1- 9 7-15 30-21 1- 0 15-21 20-15 10-15 2-12 14-12 26- 3 3-18 MEAN QNH PRESSURE IN HPA 1019.8 1020.4 1018.6 1017.7 1015.1 1012.0 1010.4 1011.7 1020.2 1022.3 1017.1 1021.5 1017.2 MAX. QNH PRESSURE IN HPA 1034.2 1036.2 1030.1 1034.9 1024.9 1017.3 1016.2 1017.3 1025.9 1030.7 1027.3 1034.3 1036.2 DAY-HOUR 9-15 18- 6 1- 6 5- 6 18- 6 21- 6 2- 3 15- 6 23- 6 23-18 2- 6 21-18 MIN. QNH PRESSURE IN HPA 1004.1 999.6 1001.6 1004.8 1004.8 1003.2 1003.3 1003.9 1014.0 1012.1 1004.1 1000.8 999.6 DAY-HOUR 16-12 1- 9 7-15 30-21 1- 0 15-21 20-15 10-15 2-12 14-12 26- 3 3-18 MEAN QFF PRESSURE IN HPA 1021.0 1022.3 1019.3 1017.0 1013.3 1009.8 1007.7 1008.9 1018.3 1021.4 1016.8 1022.9 1016.6 MAX. QFF PRESSURE IN HPA 1036.0 1038.8 1032.0 1036.7 1024.6 1015.9 1014.2 1015.0 1023.8 1031.1 1026.6 1036.9 1038.8 DAY-HOUR 9-15 18- 6 1- 6 5- 6 18-18 5-18 2- 3 8- 3 23- 6 24- 6 2- 6 21-18 MIN. QFF PRESSURE IN HPA 1004.8 998.7 999.7 1002.9 1003.1 1000.0 1000.2 1000.5 1011.6 1010.6 1003.8 1000.4 998.7 DAY-HOUR 16-12 1- 9 7-15 30-15 1- 0 15-21 30-15 10-15 2-12 14-12 26- 3 3-18 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 965.6 965.8 963.9 963.5 960.8 958.4 957.2 958.3 965.7 967.8 963.0 967.2 963.1 MAX. QFE PRESSURE IN HPA 976.1 980.2 974.2 978.3 969.3 962.7 961.9 962.9 970.0 975.7 970.9 978.7 980.2 DAY 10 18 1 5 19 21 2 8 23 24 2 22 MIN. QFE PRESSURE IN HPA 954.7 952.0 953.7 955.1 951.4 951.1 951.0 952.0 961.4 959.0 951.6 948.0 948.0 DAY 16 1 7 24 1 16 20 11 8 15 26 4 MEAN QNH PRESSURE IN HPA 1019.7 1019.9 1017.9 1017.5 1014.7 1012.2 1010.9 1012.0 1019.8 1022.0 1017.0 1021.3 1017.1 MAX. QNH PRESSURE IN HPA 1030.6 1034.9 1028.6 1032.9 1023.5 1016.6 1015.8 1016.8 1024.2 1030.2 1025.2 1033.3 1034.9 DAY 10 18 1 5 19 21 2 8 23 24 2 22 MIN. QNH PRESSURE IN HPA 1008.3 1005.4 1007.2 1008.7 1004.8 1004.5 1004.4 1005.4 1015.3 1012.8 1005.0 1001.3 1001.3 DAY 16 1 7 24 1 16 20 11 8 15 26 4 MEAN QFF PRESSURE IN HPA 1020.8 1021.6 1018.5 1016.8 1012.8 1009.9 1008.1 1009.0 1017.8 1020.9 1016.6 1022.6 1016.3 MAX. QFF PRESSURE IN HPA 1032.7 1037.5 1030.4 1034.7 1023.0 1014.4 1014.0 1014.3 1021.9 1030.6 1025.1 1036.3 1037.5 DAY 10 18 1 5 19 21 2 8 24 24 10 22 MIN. QFF PRESSURE IN HPA 1007.7 1004.3 1005.8 1005.9 1003.1 1001.5 1001.3 1001.9 1013.1 1010.9 1005.2 1001.2 1001.2 DAY 30 1 7 24 1 16 20 11 27 15 26 4 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 966.0 966.2 964.5 964.2 961.5 959.0 957.9 959.0 966.5 968.2 963.2 967.6 963.6 MAX. QFE PRESSURE IN HPA 976.1 980.7 974.2 979.5 969.8 963.3 962.3 963.3 970.8 975.7 971.7 978.7 980.7 DAY 9 18 1 5 18 21 2 8 23 24 2 22 MIN. QFE PRESSURE IN HPA 954.9 948.9 953.5 955.8 953.1 952.6 951.9 953.9 962.0 960.5 950.7 948.6 948.6 DAY 16 1 7 24 1 16 20 11 28 19 26 4 MEAN QNH PRESSURE IN HPA 1020.0 1020.3 1018.5 1018.2 1015.3 1012.8 1011.6 1012.8 1020.6 1022.4 1017.1 1021.7 1017.6 MAX. QNH PRESSURE IN HPA 1030.6 1035.4 1028.6 1034.2 1024.0 1017.2 1016.2 1017.2 1025.1 1030.2 1026.0 1033.3 1035.4 DAY 9 18 1 5 18 21 2 8 23 24 2 22 MIN. QNH PRESSURE IN HPA 1008.5 1002.2 1007.0 1009.4 1006.6 1006.1 1005.3 1007.4 1015.9 1014.3 1004.1 1001.9 1001.9 DAY 16 1 7 24 1 16 20 11 28 19 26 4 MEAN QFF PRESSURE IN HPA 1021.4 1022.3 1019.2 1017.8 1013.6 1010.6 1008.9 1010.0 1018.8 1021.7 1017.0 1023.3 1017.0 MAX. QFF PRESSURE IN HPA 1032.3 1038.1 1030.4 1036.0 1023.7 1015.5 1014.2 1015.0 1022.9 1030.8 1025.5 1036.6 1038.1 DAY 9 18 1 5 18 4 2 8 23 24 2 22 MIN. QFF PRESSURE IN HPA 1008.2 1001.2 1005.8 1007.2 1004.2 1002.9 1002.1 1004.0 1013.9 1012.6 1003.8 1002.1 1001.2 DAY 30 1 7 24 13 16 20 11 28 19 26 4 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 966.8 966.9 965.5 964.7 962.0 959.0 957.7 959.3 967.1 969.0 964.2 968.3 964.2 MAX. QFE PRESSURE IN HPA 977.9 981.4 975.6 980.2 970.6 963.4 961.8 963.4 971.6 976.2 972.9 978.5 981.4 DAY 9 18 1 5 18 21 1 15 23 24 2 22 MIN. QFE PRESSURE IN HPA 953.7 950.1 953.2 956.3 954.9 953.3 952.6 954.3 963.0 961.1 953.7 953.3 950.1 DAY 16 1 7 24 1 16 20 1 1 19 26 4 MEAN QNH PRESSURE IN HPA 1020.9 1021.0 1019.5 1018.7 1015.9 1012.7 1011.4 1013.1 1021.2 1023.2 1018.1 1022.4 1018.2 MAX. QNH PRESSURE IN HPA 1032.5 1036.2 1030.1 1034.9 1024.9 1017.3 1015.7 1017.3 1025.9 1030.7 1027.3 1033.1 1036.2 DAY 9 18 1 5 18 21 1 15 23 24 2 22 MIN. QNH PRESSURE IN HPA 1007.2 1003.4 1006.7 1009.9 1008.5 1006.8 1006.1 1007.8 1016.9 1014.9 1007.2 1006.8 1003.4 DAY 16 1 7 24 1 16 20 1 1 19 26 4 MEAN QFF PRESSURE IN HPA 1022.2 1023.0 1020.2 1018.1 1014.2 1010.6 1008.7 1010.3 1019.4 1022.4 1017.9 1023.9 1017.6 MAX. QFF PRESSURE IN HPA 1034.1 1038.8 1032.0 1036.7 1024.4 1015.6 1013.9 1014.4 1023.8 1031.1 1026.6 1036.2 1038.8 DAY 9 18 1 5 18 21 1 8 23 24 2 22 MIN. QFF PRESSURE IN HPA 1009.0 1002.9 1005.2 1007.1 1007.5 1003.8 1003.0 1004.8 1014.6 1012.7 1006.9 1006.8 1002.9 DAY 16 1 7 24 1 16 20 11 1 19 26 4 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 965.9 965.9 965.0 963.9 961.4 958.2 956.7 958.1 966.3 968.1 963.1 967.2 963.3 MAX. QFE PRESSURE IN HPA 978.3 980.5 973.8 979.0 970.3 962.6 961.0 962.0 970.6 975.5 971.7 977.4 980.5 DAY 9 18 1 5 18 19 1 15 23 24 2 22 MIN. QFE PRESSURE IN HPA 952.3 946.4 951.2 954.9 954.6 951.5 951.7 952.9 961.7 959.4 954.5 952.7 946.4 DAY 16 1 7 30 1 15 20 1 1 14 26 4 MEAN QNH PRESSURE IN HPA 1020.0 1020.0 1019.1 1017.8 1015.3 1011.9 1010.3 1011.8 1020.4 1022.3 1017.0 1021.3 1017.3 MAX. QNH PRESSURE IN HPA 1032.9 1035.2 1028.2 1033.7 1024.6 1016.5 1014.8 1015.9 1024.9 1030.0 1026.0 1032.0 1035.2 DAY 9 18 1 5 18 19 1 15 23 24 2 22 MIN. QNH PRESSURE IN HPA 1005.7 999.6 1004.6 1008.5 1008.2 1004.9 1005.1 1006.4 1015.6 1013.2 1008.0 1006.2 999.6 DAY 16 1 7 30 1 15 20 1 1 14 26 4 MEAN QFF PRESSURE IN HPA 1021.1 1021.7 1019.7 1017.1 1013.4 1009.6 1007.6 1008.9 1018.4 1021.2 1016.6 1022.6 1016.5 MAX. QFF PRESSURE IN HPA 1034.7 1037.7 1030.1 1035.2 1024.0 1014.9 1013.0 1013.3 1022.4 1030.5 1025.2 1034.8 1037.7 DAY 9 18 1 5 18 19 1 6 23 24 2 7 MIN. QFF PRESSURE IN HPA 1006.9 998.7 1002.8 1006.6 1006.7 1001.8 1002.1 1003.4 1013.1 1011.8 1008.5 1007.0 998.7 DAY 16 1 7 30 28 15 20 1 1 14 26 4 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 965.0 965.3 964.3 962.9 960.4 957.3 955.5 956.7 965.3 967.4 962.3 966.3 962.4 MAX. QFE PRESSURE IN HPA 978.9 979.6 972.2 977.1 969.7 961.2 960.8 961.4 969.3 975.2 969.9 976.5 979.6 DAY 9 18 31 5 18 19 1 6 23 24 2 7 MIN. QFE PRESSURE IN HPA 950.7 950.3 949.3 953.0 953.3 951.1 950.2 950.7 960.2 958.4 954.6 951.7 949.3 DAY 16 1 7 30 2 15 20 10 2 14 17 3 MEAN QNH PRESSURE IN HPA 1019.0 1019.4 1018.3 1016.8 1014.3 1011.0 1009.1 1010.3 1019.3 1021.5 1016.2 1020.4 1016.3 MAX. QNH PRESSURE IN HPA 1033.6 1034.3 1026.5 1031.7 1023.9 1015.0 1014.6 1015.3 1023.5 1029.7 1024.1 1031.0 1034.3 DAY 9 18 31 5 18 19 1 6 23 24 2 7 MIN. QNH PRESSURE IN HPA 1004.1 1003.7 1002.6 1006.5 1006.8 1004.5 1003.5 1004.1 1014.0 1012.1 1008.2 1005.1 1002.6 DAY 16 1 7 30 2 15 20 10 2 14 17 3 MEAN QFF PRESSURE IN HPA 1020.1 1021.1 1018.9 1016.0 1012.4 1008.8 1006.3 1007.3 1017.3 1020.5 1015.8 1021.7 1015.5 MAX. QFF PRESSURE IN HPA 1035.4 1036.9 1028.0 1033.0 1023.4 1013.4 1012.8 1013.1 1021.8 1030.3 1024.2 1033.9 1036.9 DAY 9 18 1 5 18 4 1 6 14 24 9 7 MIN. QFF PRESSURE IN HPA 1004.8 1003.3 1000.8 1004.4 1005.5 1001.6 1000.5 1000.9 1011.6 1010.6 1008.4 1004.8 1000.5 DAY 16 1 7 30 2 15 20 10 2 14 17 3 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 965.7 966.5 964.5 963.2 960.5 957.4 955.3 956.7 965.7 968.1 963.4 967.5 962.9 MAX. QFE PRESSURE IN HPA 979.5 981.0 972.0 975.9 969.5 961.4 960.5 961.4 969.9 975.7 971.5 978.7 981.0 DAY 9 18 31 4 18 5 1 6 23 23 9 21 MIN. QFE PRESSURE IN HPA 953.8 954.9 948.3 951.6 953.6 950.0 950.0 950.5 960.9 959.4 955.9 949.1 948.3 DAY 16 1 7 30 13 15 20 10 7 14 26 3 MEAN QNH PRESSURE IN HPA 1019.8 1020.6 1018.5 1017.1 1014.4 1011.1 1008.9 1010.4 1019.7 1022.3 1017.3 1021.7 1016.8 MAX. QNH PRESSURE IN HPA 1034.2 1035.8 1026.3 1030.4 1023.7 1015.3 1014.3 1015.3 1024.1 1030.2 1025.8 1033.3 1035.8 DAY 9 18 31 4 18 5 1 6 23 23 9 21 MIN. QNH PRESSURE IN HPA 1007.3 1008.5 1001.6 1005.0 1007.1 1003.3 1003.3 1003.9 1014.7 1013.2 1009.5 1002.4 1001.6 DAY 16 1 7 30 13 15 20 10 7 14 26 3 MEAN QFF PRESSURE IN HPA 1021.1 1022.6 1019.1 1016.6 1012.6 1008.9 1006.2 1007.5 1018.0 1021.6 1016.9 1023.2 1016.2 MAX. QFF PRESSURE IN HPA 1036.0 1038.5 1027.6 1032.1 1023.2 1014.8 1012.5 1013.1 1021.8 1030.6 1025.0 1035.8 1038.5 DAY 9 18 31 4 18 5 1 6 23 23 6 21 MIN. QFF PRESSURE IN HPA 1008.1 1008.1 999.7 1002.9 1004.6 1000.3 1000.2 1000.5 1012.7 1012.2 1009.4 1002.5 999.7 DAY 16 1 7 30 13 15 30 10 2 14 25 3 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 965.7 967.0 965.0 963.9 961.9 958.7 956.8 958.1 966.5 968.5 963.5 967.8 963.6 MAX. QFE PRESSURE IN HPA 979.3 980.7 972.9 978.3 970.6 962.5 961.7 962.7 970.4 976.2 971.0 979.6 980.7 DAY 9 18 31 4 18 20 13 7 22 23 9 21 MIN. QFE PRESSURE IN HPA 954.1 956.1 956.9 955.6 954.8 950.9 950.9 950.8 961.5 959.5 953.4 947.6 947.6 DAY 16 1 6 1 12 15 30 10 7 14 25 3 MEAN QNH PRESSURE IN HPA 1019.8 1021.1 1019.0 1017.9 1015.8 1012.5 1010.5 1011.8 1020.6 1022.7 1017.5 1022.0 1017.6 MAX. QNH PRESSURE IN HPA 1034.0 1035.4 1027.3 1032.9 1024.9 1016.4 1015.6 1016.6 1024.7 1030.7 1025.3 1034.3 1035.4 DAY 9 18 31 4 18 20 13 7 22 23 9 21 MIN. QNH PRESSURE IN HPA 1007.6 1009.7 1010.6 1009.2 1008.4 1004.3 1004.3 1004.2 1015.4 1013.3 1006.9 1000.8 1000.8 DAY 16 1 6 1 12 15 30 10 7 14 25 3 MEAN QFF PRESSURE IN HPA 1021.1 1023.1 1019.7 1017.3 1014.1 1010.3 1007.8 1009.0 1018.7 1021.8 1017.2 1023.4 1017.0 MAX. QFF PRESSURE IN HPA 1035.8 1038.3 1028.2 1034.8 1024.6 1015.9 1013.4 1014.3 1022.5 1030.9 1026.0 1036.9 1038.3 DAY 9 18 31 4 18 5 1 7 22 23 9 21 MIN. QFF PRESSURE IN HPA 1009.3 1009.9 1009.5 1006.7 1006.1 1001.3 1001.1 1000.7 1013.6 1011.9 1006.1 1000.4 1000.4 DAY 16 1 6 24 12 15 30 10 7 14 25 3 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 965.2 966.9 964.3 963.6 961.5 958.5 956.9 958.2 966.1 968.2 963.1 967.5 963.3 MAX. QFE PRESSURE IN HPA 977.8 980.6 971.5 978.3 969.6 962.7 961.7 962.9 970.4 975.7 971.0 979.4 980.6 DAY 9 17 31 4 18 20 1 7 22 23 9 21 MIN. QFE PRESSURE IN HPA 954.4 955.4 955.4 951.4 953.4 949.9 950.8 951.1 961.1 958.9 953.4 947.8 947.8 DAY 31 11 6 30 12 15 19 10 7 14 25 3 MEAN QNH PRESSURE IN HPA 1019.2 1021.0 1018.3 1017.5 1015.3 1012.3 1010.6 1012.0 1020.2 1022.3 1017.0 1021.6 1017.3 MAX. QNH PRESSURE IN HPA 1032.4 1035.3 1025.8 1032.9 1023.8 1016.6 1015.6 1016.8 1024.7 1030.2 1025.3 1034.1 1035.3 DAY 9 17 31 4 18 20 1 7 22 23 9 21 MIN. QNH PRESSURE IN HPA 1007.9 1009.0 1009.0 1004.8 1006.9 1003.2 1004.2 1004.5 1014.9 1012.6 1006.9 1001.0 1001.0 DAY 31 11 6 30 12 15 19 10 7 14 25 3 MEAN QFF PRESSURE IN HPA 1020.3 1022.8 1018.9 1016.8 1013.5 1010.0 1007.9 1009.1 1018.2 1021.4 1016.6 1022.9 1016.5 MAX. QFF PRESSURE IN HPA 1034.4 1037.7 1026.9 1034.8 1023.5 1014.9 1013.6 1014.3 1022.3 1030.3 1025.9 1036.7 1037.7 DAY 9 17 31 4 18 5 1 7 22 24 9 21 MIN. QFF PRESSURE IN HPA 1007.0 1010.4 1007.6 1003.0 1004.2 1000.0 1001.3 1001.0 1012.9 1010.9 1006.8 1001.1 1000.0 DAY 31 11 6 30 12 15 19 10 7 14 25 3 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.5 7.5 11.0 16.6 22.4 25.8 27.2 28.1 24.3 16.5 15.6 7.7 17.6 MINIMUN AIR TEMPERATURE (C) 5.2 4.4 7.1 12.9 16.7 19.9 22.7 23.4 20.2 12.8 11.1 4.5 13.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 1 9 28 30 19 1 0 0 89 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 1 0 0 0 0 0 0 0 0 0 0 2 3 TEMPERATURE RECORDS LOWEST(C) -0.6 0.4 3.2 7.0 13.4 14.6 20.0 20.8 11.6 3.6 2.2 -2.0 -2.0 DAY 25 24 3 7 26 24 6 21 22 18 26 18 MAXIMUM AIR TEMPERATURE (C) 12.8 12.4 15.9 21.2 28.6 31.9 33.0 34.2 29.7 21.8 21.5 11.9 22.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 4 11 21 28 29 18 2 1 0 114 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 22.6 28.5 32.6 35.0 41.6 38.2 43.6 36.6 32.6 30.8 19.8 43.6 DAY 16 8 25 11 21 29 26 12 9 3 8 29 DIF. BETWEEN (MAX.-MIN.) (C) 7.6 8.0 8.8 8.3 11.9 12.0 10.3 10.8 9.5 9.0 10.4 7.4 9.5 MEAN DAILY TEMP. (MDT) (C) 9.0 8.4 11.5 17.0 22.6 25.9 27.8 28.8 25.0 17.3 16.3 8.2 18.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.4 17.5 58.0 152.2 211.2 242.5 139.4 11.1 8.4 0.0 840.8 HEATING DEG. DAYS(BASE 18 0C) 279.2 269.0 204.7 78.7 0.0 0.0 0.0 0.0 3.7 61.2 91.4 303.7 1291.6 DEWPOINT (MEAN C) 1.2 2.1 3.6 7.9 9.7 12.6 17.6 18.8 13.3 7.1 7.4 0.3 8.5 MIXING RATIO (G/KG) 4.37 4.70 5.35 7.29 8.14 9.86 13.53 14.58 10.51 6.91 6.96 4.16 8.03 VAPOUR PRESSURE (HPA) 6.75 7.24 8.21 11.12 12.42 14.93 20.33 21.92 15.94 10.61 10.65 6.43 12.21 SATURATION DEF. (HPA) 4.83 3.39 5.60 8.87 15.49 19.72 16.48 16.87 15.86 8.91 8.35 4.44 10.73 RELATIVE HUMIDITY (MEAN %) 65 72 65 64 48 48 58 60 55 58 61 64 60 RELATIVE HUMIDITY (MAX. %) 78 86 81 78 69 65 76 79 72 73 77 77 76 RELATIVE HUMIDITY (MIN. %) 51 58 49 52 34 31 41 40 40 42 47 51 45 RELATIVE HUMIDITY (MEAN% 03UTC) 66 76 70 68 59 58 73 74 66 65 67 65 67 RELATIVE HUMIDITY (MEAN% 09UTC) 63 64 59 59 39 38 48 49 47 49 54 59 52 RELATIVE HUMIDITY (MEAN% 15UTC) 67 73 65 63 43 40 45 47 50 56 62 66 56 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 29.9 23.3 38.5 37.0 0.1 39.0 8.5 18.2 40.3 34.2 44.5 20.2 333.7 DAYS WITH PRECIPITATION >=10 0 1 1 1 0 1 0 1 1 2 2 0 10 DAYS WITH PRECIPITATION >= 5 1 1 2 4 0 1 1 1 3 3 2 1 20 DAYS WITH PRECIPITATION >= 1 7 4 8 6 0 1 2 1 4 5 3 6 47 DAYS WITH PRECIPITATION 12 10 10 9 1 2 3 2 5 6 3 11 74 GREATEST DAILY PRECIPITATION 8.0 11.0 19.0 11.6 0.1 38.9 7.4 18.0 21.0 12.0 27.8 7.4 38.9 DAY 6 24 18 16 1 23 6 14 21 13 26 7 DAY WITH THUNDER STORM 0 0 1 0 0 2 0 0 0 0 0 0 3 DAYS WITH SNOW OR SLEET 2 1 0 0 0 0 0 0 0 0 0 2 5 DAYS WITH DUST 0 0 0 0 0 1 0 0 0 1 1 0 3 WIND DIRECTION (PREVAILING) 135 135 135 180 180 180 180 225 270 135 135 135 135 PREVAILING WIND SPEED(KNOTS) 13.4 6.7 7.3 9.1 8.3 11.1 8.4 7.6 4.1 4.6 7.8 14.6 8.9 PREVAILING WIND PERCENT 20.6 14.7 16.5 17.1 19.4 20.0 23.8 17.7 15.4 19.0 26.3 32.3 15.8 CALMS PERCENT OF WIND 51.6 47.3 46.8 44.2 31.5 25.8 31.0 32.7 37.1 37.5 42.1 51.6 39.9 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 164 188 179 178 201 213 217 215 194 200 174 150 188 VECTOR WIND MAGNITUDE(KNOTS) 4.0 2.2 1.9 2.8 2.4 4.2 3.5 3.0 1.8 2.2 3.2 4.9 2.8 WIND STEADINESES (MEAN %) 81.6 66.7 63.3 73.7 52.2 70.0 74.5 71.4 52.9 62.9 74.4 89.1 65.1 WIND SPEED (MEAN KNOTS) 4.9 3.3 3.0 3.8 4.6 6.0 4.7 4.2 3.4 3.5 4.3 5.5 4.3 FASTEST WIND DIRECTION 150 180 150 140 150 200 210 190 120 200 220 150 180 FASTEST WIND SPEED (KNOTS) 35 43 31 25 25 39 29 23 19 35 35 33 43 DAY 16 8 25 19 2 16 23 23 5 4 24 28 DAYS WITH SKY CLEAR (0-2)/8 14 12 15 6 16 16 19 17 18 18 23 14 188 DAYS WITH P.CLOUDY (3-6)/8 5 6 9 7 8 10 9 11 9 10 4 8 96 DAYS WITH CLOUDY (7-8)/8 12 10 7 17 7 4 3 3 3 3 3 9 81 DAYS WITH VISIBILITY =< 2 KM 4 4 6 7 0 0 0 0 0 1 1 3 26 DURATION OF SUNSHINE HOURS 151.9 179.4 237.8 155.7 312.1 301.5 309.0 280.7 259.2 268.1 237.3 181.5 2874.2 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 966.9 966.4 964.2 960.9 962.9 957.9 955.4 957.4 960.3 967.2 963.8 968.5 962.7 MAX. QFE PRESSURE IN HPA 980.8 975.8 976.3 972.6 971.2 964.7 960.9 963.9 970.9 981.6 976.6 980.2 981.6 DAY-HOUR 7- 6 12- 6 3- 6 7- 6 26- 6 1- 6 23- 6 24- 6 27- 6 17-15 15-15 10- 6 MIN. QFE PRESSURE IN HPA 953.8 951.2 947.8 951.2 954.7 944.5 948.1 950.5 953.2 955.0 952.5 958.4 944.5 DAY-HOUR 17- 3 8-15 25-18 19-18 2- 9 30- 0 15-18 22-15 20- 6 4- 3 24-12 22- 0 MEAN QNH PRESSURE IN HPA 1021.0 1020.5 1018.2 1014.7 1016.8 1011.6 1009.0 1011.1 1014.2 1021.3 1017.8 1022.7 1016.6 MAX. QNH PRESSURE IN HPA 1035.5 1030.3 1030.8 1027.0 1025.5 1018.7 1014.7 1017.9 1025.2 1036.4 1031.1 1034.9 1036.4 DAY-HOUR 7- 6 12- 6 3- 6 7- 6 26- 6 1- 6 23- 6 24- 6 27- 6 17-15 15-15 10- 6 MIN. QNH PRESSURE IN HPA 1007.3 1004.6 1001.0 1004.6 1008.3 997.6 1001.4 1003.9 1006.7 1008.6 1006.0 1012.1 997.6 DAY-HOUR 17- 3 8-15 25-18 19-18 2- 9 30- 0 15-18 22-15 20- 6 4- 3 24-12 22- 0 MEAN QFF PRESSURE IN HPA 1021.9 1021.5 1018.6 1013.9 1014.9 1009.0 1006.0 1007.9 1011.8 1020.7 1017.2 1023.7 1015.6 MAX. QFF PRESSURE IN HPA 1037.3 1031.7 1032.2 1027.8 1024.1 1016.6 1012.2 1015.4 1024.6 1037.9 1031.9 1037.6 1037.9 DAY-HOUR 7- 6 12- 6 3- 6 7- 6 26- 6 1- 6 23- 6 24- 6 22- 3 17-18 15-15 10- 6 MIN. QFF PRESSURE IN HPA 1006.8 1003.8 999.3 1001.8 1006.0 992.9 997.7 1000.5 1003.9 1005.7 1004.0 1012.3 992.9 DAY-HOUR 17- 3 8-15 25-18 19-21 2- 9 30- 0 15-18 12-12 20- 6 4- 0 24-12 22- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 966.5 966.2 963.7 960.3 962.8 958.1 955.5 957.4 960.2 966.5 963.7 968.5 962.4 MAX. QFE PRESSURE IN HPA 979.1 972.5 974.7 971.1 969.5 964.5 959.5 963.3 970.8 979.0 974.4 978.2 979.1 DAY 7 13 3 7 26 1 8 20 22 18 16 10 MIN. QFE PRESSURE IN HPA 955.3 956.8 950.1 951.9 956.9 944.5 948.1 951.9 954.1 955.2 954.9 958.4 944.5 DAY 17 9 26 20 2 30 16 8 5 4 26 22 MEAN QNH PRESSURE IN HPA 1020.6 1020.3 1017.6 1014.1 1016.7 1011.9 1009.1 1011.0 1014.0 1020.6 1017.7 1022.7 1016.4 MAX. QNH PRESSURE IN HPA 1033.8 1026.9 1029.2 1025.4 1023.7 1018.5 1013.3 1017.2 1025.1 1033.7 1028.9 1032.8 1033.8 DAY 7 13 3 7 26 1 8 20 22 18 16 10 MIN. QNH PRESSURE IN HPA 1008.9 1010.5 1003.4 1005.3 1010.6 997.6 1001.4 1005.3 1007.6 1008.8 1008.5 1012.1 997.6 DAY 17 9 26 20 2 30 16 8 5 4 26 22 MEAN QFF PRESSURE IN HPA 1021.4 1021.3 1017.9 1013.2 1014.8 1009.3 1006.0 1007.8 1011.5 1019.9 1016.9 1023.6 1015.3 MAX. QFF PRESSURE IN HPA 1035.4 1028.4 1030.8 1026.3 1022.3 1016.6 1010.5 1014.6 1024.6 1035.0 1029.6 1035.2 1035.4 DAY 7 13 3 7 26 1 8 20 22 18 28 10 MIN. QFF PRESSURE IN HPA 1007.9 1009.8 1001.7 1002.8 1008.6 992.9 997.7 1001.6 1004.5 1005.7 1008.0 1012.3 992.9 DAY 17 9 26 20 2 30 16 8 5 4 24 22 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 966.8 966.5 964.2 961.0 963.5 958.8 956.5 958.5 960.9 967.0 964.2 968.8 963.0 MAX. QFE PRESSURE IN HPA 980.3 974.4 975.2 972.1 970.9 964.5 960.5 963.5 970.6 978.7 974.1 979.1 980.3 DAY 7 12 3 7 26 1 8 20 22 25 15 10 MIN. QFE PRESSURE IN HPA 953.8 957.0 953.2 953.2 956.1 946.6 949.5 952.3 954.8 955.0 955.7 958.9 946.6 DAY 17 9 26 19 2 30 16 12 5 4 24 22 MEAN QNH PRESSURE IN HPA 1020.9 1020.6 1018.2 1014.8 1017.5 1012.5 1010.1 1012.2 1014.8 1021.1 1018.1 1022.9 1017.0 MAX. QNH PRESSURE IN HPA 1035.0 1028.9 1029.7 1026.4 1025.2 1018.5 1014.3 1017.5 1024.9 1033.3 1028.5 1033.8 1035.0 DAY 7 12 3 7 26 1 8 20 22 25 15 10 MIN. QNH PRESSURE IN HPA 1007.3 1010.7 1006.7 1006.7 1009.7 999.8 1002.8 1005.7 1008.4 1008.6 1009.3 1012.6 999.8 DAY 17 9 26 19 2 30 16 12 5 4 24 22 MEAN QFF PRESSURE IN HPA 1022.0 1021.8 1018.7 1014.1 1015.6 1009.9 1007.1 1009.1 1012.5 1020.9 1017.8 1024.2 1016.1 MAX. QFF PRESSURE IN HPA 1036.8 1030.0 1031.4 1027.4 1023.6 1016.4 1011.6 1015.1 1024.6 1034.4 1029.8 1036.2 1036.8 DAY 7 12 3 7 26 1 8 20 22 18 28 10 MIN. QFF PRESSURE IN HPA 1006.8 1010.4 1005.6 1005.3 1007.7 995.5 999.2 1001.6 1005.4 1005.9 1007.8 1012.9 995.5 DAY 17 9 26 19 2 30 16 12 5 4 24 22 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 967.7 967.2 965.2 961.6 963.7 958.8 956.4 958.8 961.4 968.0 964.9 969.3 963.6 MAX. QFE PRESSURE IN HPA 980.8 975.8 976.3 972.6 971.2 964.7 960.9 963.9 970.9 980.6 976.2 980.2 980.8 DAY 7 12 3 7 26 1 23 24 27 17 15 10 MIN. QFE PRESSURE IN HPA 957.1 957.5 952.7 952.9 955.4 949.3 950.4 951.7 953.2 957.2 955.4 959.6 949.3 DAY 17 8 25 19 2 29 16 12 20 4 24 22 MEAN QNH PRESSURE IN HPA 1021.9 1021.3 1019.3 1015.5 1017.6 1012.5 1010.0 1012.5 1015.2 1022.2 1018.9 1023.5 1017.5 MAX. QNH PRESSURE IN HPA 1035.5 1030.3 1030.8 1027.0 1025.5 1018.7 1014.7 1017.9 1025.2 1035.3 1030.7 1034.9 1035.5 DAY 7 12 3 7 26 1 23 24 27 17 15 10 MIN. QNH PRESSURE IN HPA 1010.8 1011.2 1006.2 1006.4 1009.0 1002.6 1003.8 1005.1 1006.7 1010.9 1009.0 1013.4 1002.6 DAY 17 8 25 19 2 29 16 12 20 4 24 22 MEAN QFF PRESSURE IN HPA 1022.8 1022.5 1019.7 1014.7 1015.8 1010.0 1007.1 1009.5 1012.9 1021.8 1018.4 1024.7 1016.6 MAX. QFF PRESSURE IN HPA 1037.3 1031.7 1032.2 1027.8 1024.1 1016.6 1012.2 1015.4 1024.6 1036.2 1031.2 1037.6 1037.6 DAY 7 12 3 7 26 1 23 24 27 17 15 10 MIN. QFF PRESSURE IN HPA 1011.0 1011.1 1004.7 1004.7 1006.8 999.0 1000.2 1000.8 1003.9 1008.3 1007.2 1013.6 999.0 DAY 17 8 25 19 2 29 16 12 20 4 24 22 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 967.0 966.4 964.6 961.3 962.9 958.0 955.6 957.7 960.5 967.2 963.7 968.4 962.8 MAX. QFE PRESSURE IN HPA 979.8 975.2 975.6 970.7 970.5 963.9 960.1 963.4 969.6 980.6 976.3 979.4 980.6 DAY 7 12 2 7 26 1 23 24 27 17 15 10 MIN. QFE PRESSURE IN HPA 957.2 954.9 951.0 952.4 954.7 948.7 950.6 951.9 953.6 958.8 953.7 959.6 948.7 DAY 11 8 25 19 2 29 16 12 19 4 24 22 MEAN QNH PRESSURE IN HPA 1021.2 1020.5 1018.6 1015.2 1016.8 1011.7 1009.2 1011.4 1014.3 1021.3 1017.7 1022.6 1016.7 MAX. QNH PRESSURE IN HPA 1034.5 1029.7 1030.1 1025.0 1024.8 1017.9 1013.9 1017.3 1023.8 1035.3 1030.8 1034.1 1035.3 DAY 7 12 2 7 26 1 23 24 27 17 15 10 MIN. QNH PRESSURE IN HPA 1010.9 1008.5 1004.4 1005.8 1008.3 1002.0 1004.0 1005.3 1007.1 1012.5 1007.2 1013.4 1002.0 DAY 11 8 25 19 2 29 16 12 19 4 24 22 MEAN QFF PRESSURE IN HPA 1022.0 1021.5 1018.8 1014.3 1014.9 1009.1 1006.2 1008.3 1011.9 1020.5 1016.9 1023.6 1015.7 MAX. QFF PRESSURE IN HPA 1036.3 1031.0 1031.7 1025.6 1023.3 1015.8 1011.3 1014.6 1023.1 1036.6 1031.2 1036.4 1036.6 DAY 7 12 2 7 26 1 23 24 27 17 15 10 MIN. QFF PRESSURE IN HPA 1010.6 1007.9 1002.5 1003.6 1006.0 998.1 1000.6 1001.2 1004.4 1010.1 1005.1 1013.4 998.1 DAY 11 8 25 19 2 29 16 12 19 4 24 22 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 966.3 965.5 963.6 960.6 962.0 957.0 954.3 956.3 959.3 966.6 962.8 967.6 961.8 MAX. QFE PRESSURE IN HPA 979.4 974.3 974.9 968.8 968.6 963.0 959.1 962.2 968.6 981.1 975.5 977.9 981.1 DAY 7 12 2 13 26 23 23 24 27 17 15 10 MIN. QFE PRESSURE IN HPA 957.7 951.4 948.7 951.9 955.1 947.2 949.4 951.0 953.3 957.6 952.5 959.8 947.2 DAY 11 8 25 19 2 29 16 12 19 3 24 26 MEAN QNH PRESSURE IN HPA 1020.4 1019.5 1017.6 1014.4 1015.9 1010.7 1007.9 1010.0 1013.1 1020.7 1016.7 1021.7 1015.7 MAX. QNH PRESSURE IN HPA 1034.1 1028.7 1029.4 1023.0 1022.8 1016.9 1012.9 1016.1 1022.8 1035.9 1030.0 1032.5 1035.9 DAY 7 12 2 13 26 23 23 24 27 17 15 10 MIN. QNH PRESSURE IN HPA 1011.4 1004.8 1002.0 1005.3 1008.7 1000.4 1002.7 1004.4 1006.8 1011.3 1006.0 1013.6 1000.4 DAY 11 8 25 19 2 29 16 12 19 3 24 26 MEAN QFF PRESSURE IN HPA 1021.2 1020.5 1017.8 1013.5 1014.0 1008.0 1004.8 1006.8 1010.7 1019.8 1015.9 1022.7 1014.6 MAX. QFF PRESSURE IN HPA 1035.8 1030.0 1030.8 1023.1 1021.5 1015.8 1010.2 1013.3 1022.1 1037.0 1030.2 1034.8 1037.0 DAY 7 12 2 13 26 23 23 24 27 17 15 10 MIN. QFF PRESSURE IN HPA 1011.4 1004.0 999.9 1003.0 1006.3 996.4 999.4 1000.5 1004.1 1008.7 1004.0 1013.4 996.4 DAY 16 8 25 19 2 29 16 12 5 3 24 26 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 967.1 966.2 964.0 960.8 962.0 956.9 954.1 956.3 959.7 967.3 963.8 968.4 962.2 MAX. QFE PRESSURE IN HPA 979.1 974.3 975.1 968.6 968.2 963.0 958.5 961.9 968.8 981.6 976.6 979.0 981.6 DAY 6 12 2 6 26 23 31 24 27 17 15 10 MIN. QFE PRESSURE IN HPA 957.7 951.2 948.0 951.6 954.9 946.7 948.6 950.5 954.1 957.3 953.3 960.8 946.7 DAY 16 8 25 19 2 29 15 22 4 3 11 25 MEAN QNH PRESSURE IN HPA 1021.3 1020.3 1018.0 1014.7 1015.9 1010.5 1007.7 1009.9 1013.5 1021.4 1017.7 1022.6 1016.1 MAX. QNH PRESSURE IN HPA 1033.8 1028.7 1029.6 1022.8 1022.4 1016.9 1012.2 1015.8 1023.0 1036.4 1031.1 1033.7 1036.4 DAY 6 12 2 6 26 23 31 24 27 17 15 10 MIN. QNH PRESSURE IN HPA 1011.4 1004.6 1001.3 1005.0 1008.5 999.9 1001.9 1003.9 1007.6 1011.0 1006.8 1014.6 999.9 DAY 16 8 25 19 2 29 15 22 4 3 11 25 MEAN QFF PRESSURE IN HPA 1022.3 1021.5 1018.5 1013.9 1014.0 1007.9 1004.7 1006.8 1011.2 1020.9 1017.4 1023.8 1015.2 MAX. QFF PRESSURE IN HPA 1035.6 1030.1 1031.1 1023.5 1020.7 1016.0 1009.8 1013.0 1022.5 1037.8 1031.9 1036.2 1037.8 DAY 7 12 2 6 26 23 6 19 27 17 15 10 MIN. QFF PRESSURE IN HPA 1011.0 1003.8 999.5 1002.7 1006.0 995.8 998.2 1000.6 1004.6 1008.8 1005.0 1015.0 995.8 DAY 16 8 25 19 2 29 15 12 4 3 11 25 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 967.2 966.7 964.6 961.2 963.3 958.0 955.4 957.2 960.5 967.8 963.9 968.7 962.9 MAX. QFE PRESSURE IN HPA 980.0 973.9 975.9 969.4 968.1 963.2 960.1 963.3 970.3 981.5 976.2 979.4 981.5 DAY 6 17 2 6 25 23 7 19 21 17 15 10 MIN. QFE PRESSURE IN HPA 957.7 953.7 947.8 951.2 956.1 946.7 948.1 951.2 954.4 956.7 955.5 961.1 946.7 DAY 11 8 25 19 2 29 15 22 4 3 11 25 MEAN QNH PRESSURE IN HPA 1021.4 1020.8 1018.6 1015.1 1017.3 1011.7 1009.0 1010.9 1014.3 1021.9 1017.9 1022.8 1016.8 MAX. QNH PRESSURE IN HPA 1034.7 1028.3 1030.4 1023.6 1022.3 1017.1 1013.9 1017.2 1024.6 1036.3 1030.7 1034.1 1036.3 DAY 6 17 2 6 25 23 7 19 21 17 15 10 MIN. QNH PRESSURE IN HPA 1011.4 1007.2 1001.0 1004.6 1009.7 999.9 1001.4 1004.6 1007.9 1010.3 1009.1 1014.9 999.9 DAY 11 8 25 19 2 29 15 22 4 3 11 25 MEAN QFF PRESSURE IN HPA 1022.3 1022.0 1019.0 1014.3 1015.4 1009.1 1006.1 1007.8 1012.0 1021.3 1017.4 1024.0 1015.9 MAX. QFF PRESSURE IN HPA 1036.3 1030.2 1032.1 1024.4 1020.5 1016.3 1011.3 1014.7 1023.9 1037.9 1031.1 1036.8 1037.9 DAY 6 17 2 6 26 23 7 19 21 17 15 10 MIN. QFF PRESSURE IN HPA 1010.7 1006.9 999.3 1002.1 1006.8 995.7 997.7 1001.6 1005.1 1008.0 1007.3 1015.0 995.7 DAY 16 8 25 19 2 29 15 12 4 3 11 26 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 966.9 966.4 964.1 960.5 963.1 957.7 955.6 957.2 960.4 967.2 963.9 968.4 962.6 MAX. QFE PRESSURE IN HPA 979.1 973.2 975.4 970.6 969.0 963.2 959.7 963.4 970.8 980.3 975.5 978.4 980.3 DAY 6 12 2 6 25 1 7 19 21 17 15 10 MIN. QFE PRESSURE IN HPA 956.3 956.6 948.3 951.2 957.0 945.5 948.1 950.9 954.3 955.5 954.9 959.6 945.5 DAY 16 8 25 19 6 29 15 22 4 3 25 21 MEAN QNH PRESSURE IN HPA 1021.0 1020.5 1018.1 1014.4 1017.0 1011.4 1009.2 1010.8 1014.2 1021.3 1017.8 1022.5 1016.5 MAX. QNH PRESSURE IN HPA 1033.8 1027.6 1029.9 1024.9 1023.2 1017.1 1013.5 1017.3 1025.1 1035.0 1030.0 1033.0 1035.0 DAY 6 12 2 6 25 1 7 19 21 17 15 10 MIN. QNH PRESSURE IN HPA 1009.9 1010.2 1001.6 1004.6 1010.7 998.6 1001.4 1004.3 1007.8 1009.1 1008.5 1013.4 998.6 DAY 16 8 25 19 6 29 15 22 4 3 25 21 MEAN QFF PRESSURE IN HPA 1021.8 1021.5 1018.4 1013.5 1015.1 1008.8 1006.3 1007.6 1011.8 1020.7 1017.1 1023.5 1015.5 MAX. QFF PRESSURE IN HPA 1035.4 1029.2 1031.8 1025.7 1021.4 1015.7 1011.0 1014.7 1024.5 1036.6 1030.6 1035.3 1036.6 DAY 6 12 2 6 25 23 7 19 21 17 27 10 MIN. QFF PRESSURE IN HPA 1009.3 1009.6 1000.0 1001.8 1008.8 994.1 997.7 1001.2 1004.7 1006.4 1007.8 1013.5 994.1 DAY 16 8 25 19 6 29 15 22 4 3 10 21 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 5.0 6.4 7.1 13.0 22.0 24.4 28.4 28.2 25.4 18.4 11.3 11.6 16.8 MINIMUN AIR TEMPERATURE (C) 2.0 2.9 4.1 9.3 16.7 19.5 23.3 23.4 20.7 14.6 8.4 7.4 12.7 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 3 6 29 26 16 4 0 0 84 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 10 10 3 0 0 0 0 0 0 0 0 0 23 TEMPERATURE RECORDS LOWEST(C) -2.8 -3.4 -1.6 2.8 8.6 15.4 19.6 18.8 13.8 10.0 3.0 1.8 -3.4 DAY 11 2 1 5 2 13 15 29 21 8 14 1 MAXIMUM AIR TEMPERATURE (C) 9.5 11.6 11.0 17.9 28.3 30.8 34.9 34.6 31.8 23.9 15.6 16.6 22.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 11 18 29 26 21 6 0 0 111 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 20.8 23.6 23.0 29.6 36.8 40.6 41.6 41.6 42.6 33.8 20.0 24.4 42.6 DAY 6 9 31 18 16 1 24 22 8 24 1 29 DIF. BETWEEN (MAX.-MIN.) (C) 7.5 8.7 6.9 8.6 11.6 11.3 11.6 11.2 11.1 9.3 7.2 9.2 9.5 MEAN DAILY TEMP. (MDT) (C) 5.8 7.2 7.6 13.6 22.5 25.2 29.1 29.0 26.2 19.3 12.0 12.0 17.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 1.5 76.2 126.8 250.6 247.5 162.2 35.3 0.0 0.0 900.2 HEATING DEG. DAYS(BASE 18 0C) 379.5 312.2 323.8 142.7 6.0 0.0 0.0 0.0 0.0 35.7 179.7 187.8 1567.3 DEWPOINT (MEAN C) 0.0 0.2 3.5 7.6 12.9 15.1 17.4 16.6 13.8 8.3 5.7 3.2 8.7 MIXING RATIO (G/KG) 4.07 4.17 5.20 6.99 10.01 11.63 13.40 12.96 10.70 7.30 6.09 5.08 8.13 VAPOUR PRESSURE (HPA) 6.29 6.43 7.99 10.71 15.22 17.60 20.21 19.55 16.20 11.19 9.41 7.82 12.38 SATURATION DEF. (HPA) 2.80 3.83 2.51 5.06 12.60 14.19 19.58 19.92 17.65 11.01 4.35 6.44 10.00 RELATIVE HUMIDITY (MEAN %) 73 69 80 74 60 60 54 54 53 57 70 59 64 RELATIVE HUMIDITY (MAX. %) 87 83 94 90 82 81 72 75 74 71 82 75 81 RELATIVE HUMIDITY (MIN. %) 58 56 68 58 41 42 35 34 35 43 59 47 48 RELATIVE HUMIDITY (MEAN% 03UTC) 76 73 85 78 71 70 67 66 64 62 75 61 71 RELATIVE HUMIDITY (MEAN% 09UTC) 65 64 73 69 51 50 43 40 41 49 64 54 55 RELATIVE HUMIDITY (MEAN% 15UTC) 75 71 79 71 53 50 42 43 47 54 71 59 60 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 10.6 44.8 49.7 41.9 15.4 27.1 53.5 14.6 4.2 54.7 42.1 10.4 369.0 DAYS WITH PRECIPITATION >=10 0 1 1 1 0 1 1 1 0 3 2 0 11 DAYS WITH PRECIPITATION >= 5 0 4 2 3 2 2 2 1 0 3 2 1 22 DAYS WITH PRECIPITATION >= 1 4 8 13 7 3 4 2 2 1 4 3 3 54 DAYS WITH PRECIPITATION 10 11 17 16 4 8 2 6 4 7 4 4 93 GREATEST DAILY PRECIPITATION 3.2 12.2 14.7 17.3 6.0 14.0 48.5 13.0 2.0 27.4 23.1 8.0 48.5 DAY 8 11 13 15 21 26 14 29 20 15 11 15 DAY WITH THUNDER STORM 0 0 0 0 1 1 0 0 1 1 0 0 4 DAYS WITH SNOW OR SLEET 8 5 6 0 0 0 0 0 0 0 1 0 20 DAYS WITH DUST 0 0 0 0 1 0 0 0 0 1 0 0 2 WIND DIRECTION (PREVAILING) 135 270 270 180 180 180 180 180 180 135 180 135 180 PREVAILING WIND SPEED(KNOTS) 6.7 4.3 3.9 7.6 7.5 10.0 10.3 8.9 10.9 6.0 6.4 10.6 8.6 PREVAILING WIND PERCENT 12.5 14.7 12.1 16.3 18.1 20.8 22.2 25.4 14.6 15.3 13.8 32.7 15.1 CALMS PERCENT OF WIND 65.7 50.4 55.2 42.5 37.5 32.1 31.9 25.4 43.3 42.3 60.0 43.1 44.1 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 248 240 248 2928 VECTOR WIND DIRECTION (MEAN) 179 185 202 195 195 213 222 204 210 193 174 151 195 VECTOR WIND MAGNITUDE(KNOTS) 1.5 1.7 1.6 2.7 2.2 3.7 3.7 3.3 2.5 2.2 1.6 4.1 2.4 WIND STEADINESES (MEAN %) 71.4 54.8 61.5 65.9 59.5 75.5 67.3 66.0 64.1 62.9 66.7 82.0 63.2 WIND SPEED (MEAN KNOTS) 2.1 3.1 2.6 4.1 3.7 4.9 5.5 5.0 3.9 3.5 2.4 5.0 3.8 FASTEST WIND DIRECTION 200 140 190 190 200 200 200 190 180 210 150 140 200 FASTEST WIND SPEED (KNOTS) 35 35 35 33 29 29 29 23 23 29 27 27 35 DAY 6 9 15 13 24 30 29 8 11 13 20 29 DAYS WITH SKY CLEAR (0-2)/8 7 5 2 6 13 16 22 24 23 14 16 14 162 DAYS WITH P.CLOUDY (3-6)/8 11 12 8 4 8 7 8 2 3 13 10 12 98 DAYS WITH CLOUDY (7-8)/8 13 12 21 20 10 7 1 5 4 4 4 5 106 DAYS WITH VISIBILITY =< 2 KM 3 8 9 8 0 2 0 0 0 0 1 0 31 DURATION OF SUNSHINE HOURS 141.5 136.9 103.9 139.5 271.4 283.3 341.3 307.1 276.8 230.0 191.7 187.8 2611.2 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 969.2 965.6 964.0 964.1 961.7 959.9 959.1 958.9 958.5 965.3 971.2 966.4 963.6 MAX. QFE PRESSURE IN HPA 983.0 975.8 971.0 977.2 969.3 967.5 968.3 970.7 970.8 978.1 983.1 976.2 983.1 DAY-HOUR 10- 6 13- 6 16- 6 4- 6 1-18 12- 3 3- 6 29- 6 30-21 2- 6 18- 6 1- 6 MIN. QFE PRESSURE IN HPA 954.0 948.7 953.3 948.6 953.5 952.1 952.5 950.2 948.4 950.3 962.7 953.9 948.4 DAY-HOUR 6-15 9-12 26- 0 13- 6 29-12 1- 9 24-15 8-12 8-15 27- 3 1-18 24-18 MEAN QNH PRESSURE IN HPA 1023.4 1019.6 1018.0 1018.1 1015.6 1013.7 1012.8 1012.6 1012.3 1019.3 1025.5 1020.5 1017.6 MAX. QNH PRESSURE IN HPA 1037.8 1030.3 1025.3 1031.8 1023.5 1021.6 1022.5 1025.0 1025.1 1032.7 1037.9 1030.7 1037.9 DAY-HOUR 10- 6 13- 6 16- 6 4- 6 1-18 12- 3 3- 6 29- 6 30-21 2- 6 18- 6 1- 6 MIN. QNH PRESSURE IN HPA 1007.5 1002.0 1006.8 1001.9 1007.0 1005.5 1006.0 1003.5 1001.7 1003.7 1016.6 1007.4 1001.7 DAY-HOUR 6-15 9-12 26- 0 13- 6 29-12 1- 9 24-15 8-12 8-15 27- 3 1-18 24-18 MEAN QFF PRESSURE IN HPA 1025.0 1020.9 1019.1 1018.0 1013.7 1011.3 1009.7 1009.5 1009.7 1018.2 1025.8 1020.7 1016.8 MAX. QFF PRESSURE IN HPA 1040.6 1032.7 1027.5 1033.3 1023.6 1020.0 1020.0 1022.7 1023.3 1032.0 1039.4 1032.6 1040.6 DAY-HOUR 10- 6 13- 6 16-21 4- 6 1-18 12- 3 3- 6 29- 6 30-21 2- 3 18- 6 1-15 MIN. QFF PRESSURE IN HPA 1007.2 1001.0 1006.7 999.5 1004.2 1001.4 1002.0 999.7 997.7 1000.9 1016.3 1006.3 997.7 DAY-HOUR 6-15 9-12 2-21 13- 6 29-12 1- 9 24-15 8-12 8-12 27- 0 1-18 29-18 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 969.1 965.0 963.5 963.3 961.6 959.8 959.3 958.8 958.3 964.9 970.9 966.3 963.4 MAX. QFE PRESSURE IN HPA 981.5 974.1 970.1 975.7 967.9 967.4 965.7 968.5 965.1 976.8 981.8 974.5 981.8 DAY 10 13 17 5 7 12 3 29 25 2 18 8 MIN. QFE PRESSURE IN HPA 956.9 953.6 953.3 951.4 955.6 953.1 955.6 951.0 949.6 950.5 964.5 955.4 949.6 DAY 7 10 26 13 16 1 7 8 8 27 2 25 MEAN QNH PRESSURE IN HPA 1023.3 1019.0 1017.5 1017.3 1015.5 1013.6 1013.1 1012.5 1012.1 1018.9 1025.2 1020.4 1017.4 MAX. QNH PRESSURE IN HPA 1036.3 1028.5 1024.4 1030.2 1022.1 1021.5 1019.8 1022.7 1019.1 1031.4 1036.6 1029.0 1036.6 DAY 10 13 17 5 7 12 3 29 25 2 18 8 MIN. QNH PRESSURE IN HPA 1010.6 1007.1 1006.8 1004.8 1009.2 1006.6 1009.2 1004.4 1002.9 1003.9 1018.5 1009.0 1002.9 DAY 7 10 26 13 16 1 7 8 8 27 2 25 MEAN QFF PRESSURE IN HPA 1024.8 1020.2 1018.6 1017.2 1013.6 1011.1 1009.9 1009.3 1009.3 1017.6 1025.4 1020.5 1016.5 MAX. QFF PRESSURE IN HPA 1039.1 1030.9 1026.8 1031.6 1022.0 1019.8 1017.4 1020.3 1018.0 1030.3 1037.9 1030.0 1039.1 DAY 10 13 17 5 2 12 3 29 24 2 18 2 MIN. QFF PRESSURE IN HPA 1010.1 1006.0 1006.8 1004.0 1006.3 1002.9 1005.1 1000.8 999.1 1000.9 1017.8 1008.2 999.1 DAY 7 10 26 13 16 1 25 8 8 27 2 25 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 969.2 965.4 964.1 964.0 962.1 960.7 960.1 959.6 959.1 965.3 971.2 966.5 963.9 MAX. QFE PRESSURE IN HPA 982.2 974.6 970.3 976.1 968.6 967.5 967.6 969.5 965.9 978.0 981.9 974.8 982.2 DAY 10 13 16 5 7 12 3 29 27 2 16 1 MIN. QFE PRESSURE IN HPA 959.3 955.8 955.0 948.7 955.1 952.8 955.6 951.3 949.6 950.3 965.2 955.0 948.7 DAY 7 10 2 13 29 1 7 8 8 27 6 25 MEAN QNH PRESSURE IN HPA 1023.4 1019.4 1018.0 1017.9 1016.0 1014.5 1013.9 1013.4 1012.8 1019.3 1025.6 1020.6 1017.9 MAX. QNH PRESSURE IN HPA 1037.0 1029.1 1024.6 1030.6 1022.8 1021.6 1021.7 1023.7 1020.0 1032.6 1036.7 1029.3 1037.0 DAY 10 13 16 5 7 12 3 29 27 2 16 1 MIN. QNH PRESSURE IN HPA 1013.1 1009.4 1008.6 1002.0 1008.7 1006.3 1009.2 1004.7 1002.9 1003.7 1019.2 1008.6 1002.0 DAY 7 10 2 13 29 1 7 8 8 27 6 25 MEAN QFF PRESSURE IN HPA 1025.2 1020.9 1019.3 1017.9 1014.2 1012.0 1010.7 1010.3 1010.5 1018.4 1026.1 1021.1 1017.2 MAX. QFF PRESSURE IN HPA 1040.0 1031.6 1026.8 1032.3 1021.9 1020.0 1019.5 1021.6 1019.0 1032.0 1038.3 1031.1 1040.0 DAY 10 13 17 5 7 12 3 29 24 2 18 1 MIN. QFF PRESSURE IN HPA 1012.8 1008.8 1009.2 999.8 1005.9 1002.3 1006.0 1001.0 999.5 1001.2 1019.2 1008.1 999.5 DAY 7 10 26 13 29 1 7 8 8 27 6 25 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 970.1 966.4 964.6 964.9 962.5 960.8 960.1 960.1 959.5 966.1 972.1 967.3 964.5 MAX. QFE PRESSURE IN HPA 983.0 975.8 971.0 977.2 969.1 967.4 968.3 970.7 967.2 978.1 983.1 976.2 983.1 DAY 10 13 16 4 7 12 3 29 24 2 18 1 MIN. QFE PRESSURE IN HPA 958.6 955.4 955.5 948.6 954.6 952.5 954.9 951.5 949.8 954.1 965.0 956.8 948.6 DAY 6 9 26 13 29 1 7 8 8 27 6 25 MEAN QNH PRESSURE IN HPA 1024.4 1020.5 1018.6 1018.9 1016.4 1014.6 1013.9 1013.9 1013.3 1020.2 1026.4 1021.5 1018.5 MAX. QNH PRESSURE IN HPA 1037.8 1030.3 1025.3 1031.8 1023.3 1021.5 1022.5 1025.0 1021.3 1032.7 1037.9 1030.7 1037.9 DAY 10 13 16 4 7 12 3 29 24 2 18 1 MIN. QNH PRESSURE IN HPA 1012.3 1009.0 1009.1 1001.9 1008.2 1006.0 1008.5 1004.9 1003.1 1007.6 1019.0 1010.5 1001.9 DAY 6 9 26 13 29 1 7 8 8 27 6 25 MEAN QFF PRESSURE IN HPA 1026.1 1021.8 1019.8 1018.8 1014.6 1012.3 1010.8 1010.9 1010.8 1019.1 1026.8 1021.8 1017.8 MAX. QFF PRESSURE IN HPA 1040.6 1032.7 1027.4 1033.3 1022.5 1019.9 1020.0 1022.7 1020.1 1031.9 1039.4 1032.4 1040.6 DAY 10 13 16 4 7 12 3 29 24 2 18 1 MIN. QFF PRESSURE IN HPA 1011.7 1008.5 1009.9 999.5 1005.6 1002.0 1005.3 1001.2 999.2 1005.5 1018.6 1009.6 999.2 DAY 6 9 26 13 29 1 7 8 8 27 6 25 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 968.9 965.6 964.0 964.7 962.0 960.1 959.2 959.1 958.6 965.1 971.1 966.3 963.7 MAX. QFE PRESSURE IN HPA 982.0 975.2 970.5 976.3 968.5 966.8 967.5 969.7 966.6 976.5 981.9 975.8 982.0 DAY 10 13 16 4 7 11 3 29 24 2 18 1 MIN. QFE PRESSURE IN HPA 956.5 950.5 953.8 952.2 953.8 952.1 954.0 951.2 949.4 954.4 964.3 955.4 949.4 DAY 6 9 2 18 29 1 7 8 8 27 6 25 MEAN QNH PRESSURE IN HPA 1023.1 1019.6 1017.9 1018.7 1015.9 1013.9 1012.9 1012.8 1012.3 1019.1 1025.4 1020.4 1017.7 MAX. QNH PRESSURE IN HPA 1036.8 1029.7 1024.8 1030.8 1022.7 1020.9 1021.6 1023.9 1020.7 1031.0 1036.7 1030.3 1036.8 DAY 10 13 16 4 7 11 3 29 24 2 18 1 MIN. QNH PRESSURE IN HPA 1010.1 1003.9 1007.3 1005.6 1007.3 1005.5 1007.5 1004.6 1002.7 1007.9 1018.3 1009.0 1002.7 DAY 6 9 2 18 29 1 7 8 8 27 6 25 MEAN QFF PRESSURE IN HPA 1024.7 1020.8 1019.0 1018.5 1013.9 1011.5 1009.8 1009.7 1009.6 1017.8 1025.6 1020.5 1016.8 MAX. QFF PRESSURE IN HPA 1039.4 1032.0 1026.8 1031.9 1022.0 1019.1 1019.0 1021.5 1019.6 1030.0 1037.8 1031.9 1039.4 DAY 10 13 16 4 1 11 3 29 24 2 18 1 MIN. QFF PRESSURE IN HPA 1009.8 1003.2 1007.6 1003.6 1005.1 1001.4 1004.5 1000.7 998.6 1005.7 1017.7 1007.8 998.6 DAY 6 9 2 18 29 1 7 8 8 27 6 25 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 968.4 964.9 963.5 963.9 961.0 959.0 957.9 958.0 957.6 964.5 970.4 965.6 962.9 MAX. QFE PRESSURE IN HPA 981.0 974.3 969.9 975.7 968.4 965.8 966.3 968.2 966.0 974.7 980.8 975.1 981.0 DAY 10 13 16 4 1 11 3 29 30 2 18 1 MIN. QFE PRESSURE IN HPA 954.8 948.7 954.0 950.4 953.5 952.1 953.1 950.2 948.6 955.0 963.2 954.9 948.6 DAY 6 9 2 18 29 1 24 8 8 26 1 25 MEAN QNH PRESSURE IN HPA 1022.5 1018.9 1017.5 1017.9 1014.9 1012.8 1011.6 1011.7 1011.3 1018.5 1024.7 1019.6 1016.8 MAX. QNH PRESSURE IN HPA 1035.8 1028.7 1024.1 1030.2 1022.6 1019.9 1020.4 1022.4 1020.1 1029.2 1035.5 1029.6 1035.8 DAY 10 13 16 4 1 11 3 29 30 2 18 1 MIN. QNH PRESSURE IN HPA 1008.4 1002.0 1007.5 1003.8 1007.0 1005.5 1006.6 1003.5 1001.9 1008.6 1017.1 1008.5 1001.9 DAY 6 9 2 18 29 1 24 8 8 26 1 25 MEAN QFF PRESSURE IN HPA 1024.0 1020.1 1018.5 1017.8 1012.9 1010.3 1008.4 1008.5 1008.6 1017.3 1024.9 1019.7 1015.9 MAX. QFF PRESSURE IN HPA 1038.5 1031.1 1026.2 1031.4 1022.5 1018.0 1017.5 1020.0 1018.5 1028.0 1036.7 1031.1 1038.5 DAY 10 13 16 4 1 11 3 29 24 2 18 1 MIN. QFF PRESSURE IN HPA 1008.3 1001.0 1007.6 1001.5 1004.2 1001.6 1002.4 999.7 997.7 1005.7 1016.7 1007.3 997.7 DAY 6 9 2 18 29 1 24 8 8 26 1 25 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 969.2 965.8 964.0 964.0 961.1 958.9 957.8 958.0 958.0 965.3 971.2 966.4 963.3 MAX. QFE PRESSURE IN HPA 981.9 974.7 970.3 975.9 968.6 965.4 965.7 968.4 967.9 975.5 981.5 976.1 981.9 DAY 10 13 16 4 1 11 3 29 30 1 15 1 MIN. QFE PRESSURE IN HPA 954.0 949.9 953.7 949.7 954.6 952.9 952.5 950.7 948.4 954.8 963.0 955.6 948.4 DAY 6 9 2 18 29 4 24 8 8 26 1 29 MEAN QNH PRESSURE IN HPA 1023.4 1019.8 1018.0 1018.0 1014.9 1012.7 1011.5 1011.7 1011.7 1019.3 1025.5 1020.4 1017.2 MAX. QNH PRESSURE IN HPA 1036.7 1029.2 1024.6 1030.4 1022.8 1019.4 1019.8 1022.6 1022.1 1030.0 1036.3 1030.6 1036.7 DAY 10 13 16 4 1 11 3 29 30 1 15 1 MIN. QNH PRESSURE IN HPA 1007.5 1003.2 1007.2 1003.0 1008.2 1006.4 1006.0 1004.1 1001.7 1008.4 1016.9 1009.2 1001.7 DAY 6 9 2 18 29 4 24 8 8 26 1 29 MEAN QFF PRESSURE IN HPA 1025.1 1021.3 1019.2 1018.0 1013.1 1010.2 1008.3 1008.7 1009.3 1018.4 1026.0 1020.9 1016.5 MAX. QFF PRESSURE IN HPA 1039.7 1031.7 1026.7 1031.8 1022.9 1017.7 1017.0 1020.5 1020.3 1029.8 1037.7 1032.6 1039.7 DAY 10 13 16 4 1 11 3 29 30 18 15 1 MIN. QFF PRESSURE IN HPA 1007.2 1002.4 1007.1 1001.0 1005.4 1003.2 1002.0 1000.3 998.0 1006.0 1017.0 1007.7 998.0 DAY 6 9 2 18 29 4 24 8 8 26 1 29 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 969.4 966.0 964.5 964.3 962.0 960.2 959.1 959.0 958.8 965.9 971.4 966.5 963.9 MAX. QFE PRESSURE IN HPA 981.8 975.0 970.7 976.5 969.3 967.4 966.6 968.9 969.7 976.8 981.9 976.1 981.9 DAY 9 13 16 4 1 11 3 29 30 1 15 1 MIN. QFE PRESSURE IN HPA 954.2 951.0 953.6 950.1 955.9 954.2 953.9 952.8 949.0 953.7 962.7 953.9 949.0 DAY 6 9 2 18 31 18 6 7 8 26 1 24 MEAN QNH PRESSURE IN HPA 1023.6 1020.1 1018.5 1018.3 1015.8 1014.0 1012.8 1012.8 1012.6 1019.9 1025.7 1020.6 1017.9 MAX. QNH PRESSURE IN HPA 1036.6 1029.5 1025.0 1031.0 1023.5 1021.5 1020.7 1023.1 1023.9 1031.4 1036.7 1030.6 1036.7 DAY 9 13 16 4 1 11 3 29 30 1 15 1 MIN. QNH PRESSURE IN HPA 1007.7 1004.4 1007.1 1003.4 1009.5 1007.7 1007.4 1006.3 1002.3 1007.2 1016.6 1007.4 1002.3 DAY 6 9 2 18 31 18 6 7 8 26 1 24 MEAN QFF PRESSURE IN HPA 1025.4 1021.5 1019.6 1018.2 1014.0 1011.7 1009.7 1009.7 1010.1 1018.9 1026.1 1020.9 1017.1 MAX. QFF PRESSURE IN HPA 1039.5 1032.2 1027.2 1032.6 1023.6 1019.8 1018.0 1021.1 1022.1 1030.7 1038.1 1032.2 1039.5 DAY 9 26 16 4 1 11 3 29 30 1 15 1 MIN. QFF PRESSURE IN HPA 1007.6 1003.3 1007.1 1001.1 1006.6 1004.1 1004.3 1002.9 998.2 1004.4 1016.3 1006.3 998.2 DAY 6 9 2 18 31 29 24 7 8 26 1 29 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 969.2 965.5 964.0 963.9 961.8 960.2 959.2 958.8 958.6 965.3 971.1 966.3 963.6 MAX. QFE PRESSURE IN HPA 981.8 974.3 970.7 976.5 968.6 967.4 966.4 968.4 970.8 976.8 981.5 975.5 981.8 DAY 9 12 16 4 1 11 3 29 30 1 17 7 MIN. QFE PRESSURE IN HPA 956.9 951.0 953.6 951.4 954.5 953.9 955.1 951.4 949.4 951.7 963.2 954.6 949.4 DAY 6 9 2 18 31 18 24 7 8 26 1 24 MEAN QNH PRESSURE IN HPA 1023.4 1019.6 1017.9 1017.8 1015.7 1014.0 1013.0 1012.6 1012.3 1019.3 1025.4 1020.4 1017.6 MAX. QNH PRESSURE IN HPA 1036.6 1028.7 1025.0 1031.0 1022.8 1021.5 1020.5 1022.6 1025.1 1031.4 1036.3 1030.0 1036.6 DAY 9 12 16 4 1 11 3 29 30 1 17 7 MIN. QNH PRESSURE IN HPA 1010.6 1004.4 1007.1 1004.8 1008.0 1007.4 1008.7 1004.8 1002.7 1005.1 1017.1 1008.2 1002.7 DAY 6 9 2 18 31 18 24 7 8 26 1 24 MEAN QFF PRESSURE IN HPA 1025.0 1020.8 1019.0 1017.6 1013.7 1011.6 1009.8 1009.3 1009.7 1018.0 1025.6 1020.5 1016.7 MAX. QFF PRESSURE IN HPA 1039.5 1031.1 1027.5 1032.4 1023.0 1019.9 1017.8 1020.3 1023.3 1030.4 1037.6 1031.2 1039.5 DAY 9 26 16 4 1 11 3 29 30 1 17 1 MIN. QFF PRESSURE IN HPA 1010.2 1003.3 1006.7 1002.8 1004.7 1004.2 1004.7 1001.2 998.7 1002.1 1016.6 1007.5 998.7 DAY 6 9 2 18 31 18 24 7 8 26 1 24 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 7.5 5.7 8.4 17.4 21.7 26.5 27.8 28.9 23.5 21.5 11.9 8.9 17.5 MINIMUN AIR TEMPERATURE (C) 4.4 2.5 4.4 12.2 16.6 20.3 22.9 23.6 19.2 17.3 8.8 6.2 13.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 2 13 28 30 9 5 0 0 89 DAYS WITH MINIMUM TEMP. <=-4 0 1 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH FREEZING MIN.<= 0 4 8 5 0 0 0 0 0 0 0 0 1 18 TEMPERATURE RECORDS LOWEST(C) -2.6 -4.0 -2.0 3.8 11.4 14.4 19.6 20.8 12.8 8.4 5.6 0.0 -4.0 DAY 29 8 9 12 6 4 7 22 15 31 7 20 MAXIMUM AIR TEMPERATURE (C) 11.5 9.9 12.8 23.4 27.5 32.7 33.9 35.2 29.2 26.8 15.6 12.5 22.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 4 9 23 29 31 10 10 0 0 116 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.8 20.4 25.6 33.0 40.0 38.0 39.6 43.6 39.0 34.6 25.6 22.2 43.6 DAY 10 18 24 24 28 12 29 12 1 2 4 9 DIF. BETWEEN (MAX.-MIN.) (C) 7.1 7.4 8.4 11.2 10.9 12.4 11.0 11.6 10.0 9.5 6.8 6.3 9.4 MEAN DAILY TEMP. (MDT) (C) 8.0 6.2 8.6 17.8 22.1 26.5 28.4 29.4 24.2 22.1 12.2 9.4 17.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 21.5 73.3 169.9 229.3 260.7 99.7 60.4 0.0 0.0 914.8 HEATING DEG. DAYS(BASE 18 0C) 311.4 330.4 293.6 60.7 14.6 0.0 0.0 0.0 0.6 5.4 176.5 268.6 1461.8 DEWPOINT (MEAN C) 1.3 -0.7 1.8 6.3 11.7 14.6 18.2 16.3 12.9 10.3 6.0 1.6 8.4 MIXING RATIO (G/KG) 4.48 3.87 4.65 6.51 9.23 11.16 14.05 13.03 10.16 8.46 6.19 4.57 8.03 VAPOUR PRESSURE (HPA) 6.90 5.98 7.13 9.93 14.06 16.86 21.11 19.61 15.45 12.92 9.53 7.04 12.21 SATURATION DEF. (HPA) 3.89 3.52 4.61 11.17 13.37 18.98 17.03 21.11 14.58 13.51 4.81 4.88 10.95 RELATIVE HUMIDITY (MEAN %) 68 67 67 53 57 52 59 52 56 53 70 65 60 RELATIVE HUMIDITY (MAX. %) 83 84 82 73 75 72 77 73 75 72 83 78 77 RELATIVE HUMIDITY (MIN. %) 53 52 52 36 40 35 39 33 38 38 57 52 44 RELATIVE HUMIDITY (MEAN% 03UTC) 73 71 71 64 67 65 75 66 69 60 71 65 68 RELATIVE HUMIDITY (MEAN% 09UTC) 65 63 62 43 47 43 46 42 46 44 64 62 52 RELATIVE HUMIDITY (MEAN% 15UTC) 68 65 70 48 49 41 47 39 46 51 74 67 55 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 34.4 24.7 56.6 11.5 57.0 74.8 1.5 1.9 4.1 70.3 42.6 64.8 444.2 DAYS WITH PRECIPITATION >=10 0 0 1 0 3 1 0 0 0 3 2 2 12 DAYS WITH PRECIPITATION >= 5 3 1 5 2 3 1 0 0 0 3 4 4 26 DAYS WITH PRECIPITATION >= 1 6 7 10 2 4 4 1 1 2 4 6 5 52 DAYS WITH PRECIPITATION 12 12 15 6 5 6 3 2 5 5 6 8 85 GREATEST DAILY PRECIPITATION 9.9 8.7 14.2 6.1 22.0 65.0 1.0 1.0 2.2 30.0 12.0 30.0 65.0 DAY 11 6 26 10 5 1 19 22 15 7 6 11 DAY WITH THUNDER STORM 0 0 0 0 1 5 2 0 0 3 0 0 11 DAYS WITH SNOW OR SLEET 6 6 5 0 0 0 0 0 0 0 0 2 19 DAYS WITH DUST 0 0 0 3 3 2 1 0 3 2 0 0 14 WIND DIRECTION (PREVAILING) 135 135 180 180 180 180 270 180 180 180 135 135 180 PREVAILING WIND SPEED(KNOTS) 12.7 11.6 10.4 10.7 11.4 10.3 5.6 9.1 10.1 8.6 9.9 12.4 10.1 PREVAILING WIND PERCENT 15.3 18.3 18.5 19.2 16.1 21.7 22.2 16.1 21.3 14.1 9.2 22.2 15.0 CALMS PERCENT OF WIND 60.1 44.6 40.3 45.0 43.5 41.3 27.4 39.5 41.3 54.8 70.4 54.4 46.9 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 175 178 189 193 206 214 227 219 212 193 183 161 197 VECTOR WIND MAGNITUDE(KNOTS) 2.6 3.1 3.7 3.3 3.3 3.0 4.0 2.4 3.2 2.1 1.1 3.5 2.8 WIND STEADINESES (MEAN %) 65.0 67.4 72.5 66.0 71.7 65.2 72.7 58.5 69.6 60.0 47.8 79.5 63.6 WIND SPEED (MEAN KNOTS) 4.0 4.6 5.1 5.0 4.6 4.6 5.5 4.1 4.6 3.5 2.3 4.4 4.4 FASTEST WIND DIRECTION 150 190 220 200 180 190 190 120 200 180 200 150 150 FASTEST WIND SPEED (KNOTS) 29 29 29 31 31 33 21 23 27 23 27 35 35 DAY 15 6 8 19 19 22 12 28 4 7 24 9 DAYS WITH SKY CLEAR (0-2)/8 10 12 11 14 17 17 15 25 19 19 11 11 181 DAYS WITH P.CLOUDY (3-6)/8 11 8 10 10 8 9 14 5 9 7 11 8 110 DAYS WITH CLOUDY (7-8)/8 10 8 10 6 6 4 2 1 2 5 8 12 74 DAYS WITH VISIBILITY =< 2 KM 5 4 2 1 0 2 1 0 0 1 3 4 23 DURATION OF SUNSHINE HOURS 165.4 164.4 191.0 257.8 294.5 294.8 303.8 322.4 257.1 240.3 163.7 149.5 2804.7 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 965.0 966.9 962.1 959.7 962.1 957.4 955.9 957.6 962.9 963.5 967.8 965.4 962.2 MAX. QFE PRESSURE IN HPA 977.9 975.7 980.9 970.6 971.0 963.9 963.4 964.8 971.8 973.2 982.6 975.9 982.6 DAY-HOUR 23-18 7-15 11- 3 20- 6 16- 6 7-18 19- 6 21- 6 15- 6 8- 6 7- 6 17-15 MIN. QFE PRESSURE IN HPA 952.8 957.8 949.8 944.7 947.2 950.5 949.1 949.0 949.7 954.6 956.6 951.8 944.7 DAY-HOUR 16- 0 5-12 17-12 9-18 4-12 30-15 11-12 5-12 2- 0 3- 0 5- 3 9-15 MEAN QNH PRESSURE IN HPA 1019.1 1021.0 1016.0 1013.4 1016.0 1011.1 1009.5 1011.2 1016.8 1017.5 1022.0 1019.5 1016.1 MAX. QNH PRESSURE IN HPA 1032.5 1030.2 1035.6 1024.9 1025.3 1017.9 1017.3 1018.8 1026.1 1027.6 1037.4 1030.4 1037.4 DAY-HOUR 23-18 7-15 11- 3 20- 6 16- 6 7-18 19- 6 21- 6 15- 6 8- 6 7- 6 17-15 MIN. QNH PRESSURE IN HPA 1006.3 1011.5 1003.1 997.8 1000.4 1003.9 1002.4 1002.3 1003.0 1008.2 1010.2 1005.2 997.8 DAY-HOUR 16- 0 5-12 17-12 9-18 4-12 30-15 11-12 5-12 2- 0 3- 0 5- 3 9-15 MEAN QFF PRESSURE IN HPA 1020.1 1022.4 1016.8 1012.5 1014.2 1008.3 1006.4 1008.0 1014.7 1015.7 1022.2 1020.3 1015.1 MAX. QFF PRESSURE IN HPA 1034.6 1033.5 1037.9 1025.0 1024.6 1016.6 1014.7 1016.4 1025.5 1026.8 1038.5 1032.7 1038.5 DAY-HOUR 23-18 7-18 11- 3 20- 6 16- 3 4- 3 19- 6 21- 6 15- 6 8- 6 7- 6 17-15 MIN. QFF PRESSURE IN HPA 1006.2 1012.4 1002.8 995.6 997.1 1000.4 998.9 998.2 999.0 1004.8 1008.3 1004.1 995.6 DAY-HOUR 16- 0 22-12 24- 0 9-18 4-12 30-15 11-12 13- 0 2- 0 3- 0 5- 3 9-15 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 965.1 966.1 961.4 959.3 962.0 957.5 956.1 957.5 962.8 963.0 967.6 965.2 962.0 MAX. QFE PRESSURE IN HPA 976.9 973.6 978.9 967.2 970.3 963.9 962.0 963.9 970.9 971.6 981.0 974.8 981.0 DAY 24 9 11 20 16 8 20 22 15 8 8 28 MIN. QFE PRESSURE IN HPA 952.8 959.0 950.9 950.6 951.5 951.8 949.8 949.4 949.7 954.6 957.0 953.8 949.4 DAY 16 23 24 6 4 13 11 13 2 3 5 10 MEAN QNH PRESSURE IN HPA 1019.1 1020.2 1015.3 1013.1 1015.9 1011.1 1009.7 1011.2 1016.7 1016.9 1021.8 1019.3 1015.9 MAX. QNH PRESSURE IN HPA 1031.5 1028.0 1033.6 1021.3 1024.6 1017.9 1015.9 1017.9 1025.2 1025.9 1035.8 1029.3 1035.8 DAY 24 9 11 20 16 8 20 22 15 8 8 28 MIN. QNH PRESSURE IN HPA 1006.3 1012.8 1004.3 1004.0 1004.9 1005.2 1003.1 1002.7 1003.0 1008.2 1010.7 1007.3 1002.7 DAY 16 23 24 6 4 13 11 13 2 3 5 10 MEAN QFF PRESSURE IN HPA 1020.1 1021.5 1016.1 1012.1 1014.0 1008.3 1006.5 1007.8 1014.4 1015.0 1021.9 1020.0 1014.8 MAX. QFF PRESSURE IN HPA 1033.4 1030.6 1035.5 1021.4 1023.9 1016.4 1013.5 1015.2 1024.3 1025.2 1036.6 1031.3 1036.6 DAY 24 8 11 12 16 4 20 22 15 8 8 28 MIN. QFF PRESSURE IN HPA 1006.2 1013.6 1002.8 1003.2 1002.4 1001.0 999.4 998.2 999.0 1004.8 1008.5 1006.4 998.2 DAY 16 18 24 6 4 13 11 13 2 3 5 9 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 965.4 966.8 962.2 960.0 962.5 958.2 957.0 958.5 963.5 963.4 967.9 965.4 962.6 MAX. QFE PRESSURE IN HPA 976.5 975.1 980.9 968.8 970.9 963.9 962.8 964.7 970.9 972.0 981.4 974.0 981.4 DAY 24 21 11 20 16 8 19 22 15 8 7 28 MIN. QFE PRESSURE IN HPA 953.2 960.1 951.7 949.9 951.5 953.6 950.9 950.3 952.2 957.7 956.6 954.1 949.9 DAY 16 4 24 5 4 13 11 13 2 2 5 9 MEAN QNH PRESSURE IN HPA 1019.4 1020.9 1016.1 1013.8 1016.4 1011.9 1010.6 1012.2 1017.4 1017.4 1022.1 1019.5 1016.5 MAX. QNH PRESSURE IN HPA 1031.0 1029.6 1035.6 1023.0 1025.2 1017.9 1016.7 1018.7 1025.2 1026.3 1036.2 1028.4 1036.2 DAY 24 21 11 20 16 8 19 22 15 8 7 28 MIN. QNH PRESSURE IN HPA 1006.7 1013.9 1005.1 1003.2 1004.9 1007.1 1004.3 1003.7 1005.6 1011.4 1010.2 1007.6 1003.2 DAY 16 4 24 5 4 13 11 13 2 2 5 9 MEAN QFF PRESSURE IN HPA 1020.6 1022.6 1017.2 1013.0 1014.7 1009.2 1007.6 1009.0 1015.3 1015.8 1022.4 1020.4 1015.6 MAX. QFF PRESSURE IN HPA 1033.3 1031.2 1037.9 1022.7 1024.6 1016.6 1013.8 1016.3 1024.4 1025.8 1037.4 1030.4 1037.9 DAY 24 21 11 12 16 4 19 22 15 8 7 28 MIN. QFF PRESSURE IN HPA 1006.9 1014.7 1004.2 1001.5 1002.4 1003.4 1000.5 999.5 1002.1 1009.0 1008.3 1006.6 999.5 DAY 16 4 24 5 4 13 11 13 2 2 5 9 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 966.2 967.9 962.8 960.6 962.9 958.3 956.9 959.1 964.0 964.3 968.6 966.4 963.2 MAX. QFE PRESSURE IN HPA 976.4 975.1 980.9 970.6 971.0 963.9 963.4 964.8 971.8 973.2 982.6 974.5 982.6 DAY 24 21 11 20 16 8 19 21 15 8 7 17 MIN. QFE PRESSURE IN HPA 956.8 960.4 952.1 949.0 951.9 954.0 950.9 951.2 952.1 957.5 957.4 954.5 949.0 DAY 16 22 17 5 4 30 11 5 2 2 5 9 MEAN QNH PRESSURE IN HPA 1020.3 1022.1 1016.8 1014.5 1016.8 1012.0 1010.6 1012.8 1018.0 1018.3 1022.8 1020.5 1017.1 MAX. QNH PRESSURE IN HPA 1030.9 1029.6 1035.6 1024.9 1025.3 1017.9 1017.3 1018.8 1026.1 1027.6 1037.4 1029.0 1037.4 DAY 24 21 11 20 16 8 19 21 15 8 7 17 MIN. QNH PRESSURE IN HPA 1010.5 1014.2 1005.5 1002.3 1005.3 1007.5 1004.3 1004.6 1005.5 1011.2 1011.1 1008.0 1002.3 DAY 16 22 17 5 4 30 11 5 2 2 5 9 MEAN QFF PRESSURE IN HPA 1021.4 1023.6 1017.7 1013.6 1015.1 1009.2 1007.6 1009.7 1015.9 1016.6 1023.1 1021.3 1016.2 MAX. QFF PRESSURE IN HPA 1033.0 1031.7 1037.7 1025.0 1024.4 1016.5 1014.7 1016.4 1025.5 1026.8 1038.5 1030.8 1038.5 DAY 24 8 11 20 16 4 19 21 15 8 7 28 MIN. QFF PRESSURE IN HPA 1010.8 1015.1 1005.4 1000.3 1002.6 1004.2 1000.6 1001.1 1001.9 1008.5 1008.9 1007.1 1000.3 DAY 16 4 17 5 4 16 11 13 2 2 5 9 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 964.8 967.2 962.4 959.8 962.3 957.5 956.0 957.9 962.9 963.4 967.8 965.3 962.3 MAX. QFE PRESSURE IN HPA 975.4 975.0 979.8 969.1 970.0 963.2 962.9 964.0 970.5 971.9 981.3 974.3 981.3 DAY 23 7 11 20 15 4 19 21 15 8 7 17 MIN. QFE PRESSURE IN HPA 956.7 958.5 950.8 947.6 950.1 952.7 950.0 950.0 951.5 957.8 958.1 953.2 947.6 DAY 16 22 17 5 4 30 11 5 2 2 5 9 MEAN QNH PRESSURE IN HPA 1018.8 1021.3 1016.3 1013.6 1016.2 1011.2 1009.6 1011.6 1016.8 1017.4 1022.0 1019.3 1016.2 MAX. QNH PRESSURE IN HPA 1029.9 1029.5 1034.5 1023.3 1024.2 1017.1 1016.8 1018.0 1024.8 1026.2 1036.1 1028.7 1036.1 DAY 23 7 11 20 15 4 19 21 15 8 7 17 MIN. QNH PRESSURE IN HPA 1010.3 1012.2 1004.2 1000.8 1003.4 1006.2 1003.3 1003.3 1004.9 1011.5 1011.8 1006.7 1000.8 DAY 16 22 17 5 4 30 11 5 2 2 5 9 MEAN QFF PRESSURE IN HPA 1019.8 1022.7 1017.1 1012.6 1014.3 1008.4 1006.5 1008.4 1014.6 1015.5 1022.1 1020.0 1015.2 MAX. QFF PRESSURE IN HPA 1031.6 1032.5 1036.4 1023.4 1023.6 1015.9 1014.2 1015.4 1024.0 1025.2 1036.9 1030.7 1036.9 DAY 23 7 11 20 15 4 19 21 15 8 7 17 MIN. QFF PRESSURE IN HPA 1011.1 1013.4 1004.0 999.0 1000.2 1002.8 999.7 999.7 1001.3 1008.9 1009.7 1005.4 999.0 DAY 16 22 17 5 4 30 11 5 2 2 5 9 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 964.0 966.3 961.6 958.9 961.2 956.5 954.7 956.4 961.8 962.8 967.2 964.8 961.3 MAX. QFE PRESSURE IN HPA 975.9 975.2 977.6 967.5 969.4 962.2 962.6 962.3 968.9 971.4 981.0 974.4 981.0 DAY 23 7 11 13 15 3 19 21 15 8 7 17 MIN. QFE PRESSURE IN HPA 955.0 957.8 949.8 948.0 947.2 951.2 949.1 949.0 951.4 955.9 959.5 952.2 947.2 DAY 31 5 17 5 4 30 11 5 2 6 5 9 MEAN QNH PRESSURE IN HPA 1018.0 1020.4 1015.4 1012.6 1015.1 1010.1 1008.2 1010.0 1015.7 1016.7 1021.3 1018.9 1015.2 MAX. QNH PRESSURE IN HPA 1030.4 1029.7 1032.2 1021.6 1023.6 1016.1 1016.5 1016.2 1023.1 1025.7 1035.8 1028.9 1035.8 DAY 23 7 11 13 15 3 19 21 15 8 7 17 MIN. QNH PRESSURE IN HPA 1008.6 1011.5 1003.1 1001.3 1000.4 1004.6 1002.4 1002.3 1004.8 1009.5 1013.3 1005.6 1000.4 DAY 31 5 17 5 4 30 11 5 2 6 5 9 MEAN QFF PRESSURE IN HPA 1018.9 1021.7 1016.2 1011.5 1013.2 1007.3 1005.0 1006.7 1013.4 1014.8 1021.4 1019.5 1014.1 MAX. QFF PRESSURE IN HPA 1032.2 1032.6 1034.0 1021.6 1022.7 1014.9 1013.9 1013.5 1022.2 1024.6 1036.6 1030.7 1036.6 DAY 23 7 11 13 15 4 19 21 15 8 7 17 MIN. QFF PRESSURE IN HPA 1009.9 1012.4 1002.8 1000.5 997.1 1001.2 998.9 998.6 1001.0 1007.1 1011.2 1004.4 997.1 DAY 31 22 17 5 4 30 11 5 2 6 5 9 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 964.9 966.9 962.0 959.2 961.2 956.5 954.6 956.4 962.2 963.6 968.0 965.5 961.7 MAX. QFE PRESSURE IN HPA 976.5 975.7 977.9 967.8 970.0 962.7 962.1 962.8 968.3 971.0 982.2 975.9 982.2 DAY 23 7 11 13 15 4 19 21 14 8 7 17 MIN. QFE PRESSURE IN HPA 954.3 959.1 951.5 945.9 948.8 950.5 949.3 949.7 950.3 956.0 960.1 951.8 945.9 DAY 15 22 17 9 4 30 10 5 1 6 4 9 MEAN QNH PRESSURE IN HPA 1018.9 1021.0 1015.9 1013.0 1015.1 1010.1 1008.1 1010.0 1016.1 1017.5 1022.1 1019.6 1015.6 MAX. QNH PRESSURE IN HPA 1031.0 1030.2 1032.5 1022.0 1024.2 1016.6 1016.0 1016.7 1022.5 1025.3 1037.0 1030.4 1037.0 DAY 23 7 11 13 15 4 19 21 14 8 7 17 MIN. QNH PRESSURE IN HPA 1007.8 1012.9 1004.9 999.1 1002.1 1003.9 1002.6 1003.0 1003.7 1009.6 1013.9 1005.2 999.1 DAY 15 22 17 9 4 30 10 5 1 6 4 9 MEAN QFF PRESSURE IN HPA 1020.1 1022.6 1016.9 1012.2 1013.3 1007.4 1005.1 1006.8 1014.1 1016.0 1022.5 1020.5 1014.8 MAX. QFF PRESSURE IN HPA 1033.1 1033.2 1034.7 1022.1 1023.5 1015.4 1013.5 1014.2 1021.4 1025.1 1038.1 1032.7 1038.1 DAY 23 7 11 13 15 4 19 21 15 31 7 17 MIN. QFF PRESSURE IN HPA 1008.5 1013.9 1003.9 997.3 999.6 1000.4 999.1 999.5 1000.1 1007.6 1012.6 1004.1 997.3 DAY 15 22 23 9 4 30 11 5 1 6 4 9 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 965.1 967.2 962.4 960.0 962.7 957.5 956.0 957.5 963.2 964.1 968.1 965.6 962.4 MAX. QFE PRESSURE IN HPA 977.9 975.7 978.5 967.8 970.8 963.9 962.6 963.9 970.4 971.9 982.2 975.6 982.2 DAY 23 7 10 13 15 7 19 21 14 31 7 27 MIN. QFE PRESSURE IN HPA 953.3 959.2 951.9 944.7 953.9 952.1 950.0 950.5 950.5 956.1 959.0 952.8 944.7 DAY 15 22 23 9 4 30 10 14 1 6 4 9 MEAN QNH PRESSURE IN HPA 1019.2 1021.3 1016.3 1013.8 1016.6 1011.1 1009.6 1011.2 1017.1 1018.1 1022.2 1019.7 1016.3 MAX. QNH PRESSURE IN HPA 1032.5 1030.2 1033.1 1022.0 1025.1 1017.9 1016.5 1017.9 1024.7 1026.2 1037.0 1030.1 1037.0 DAY 23 7 10 13 15 7 19 21 14 31 7 27 MIN. QNH PRESSURE IN HPA 1006.8 1013.0 1005.3 997.8 1007.4 1005.5 1003.3 1003.9 1003.9 1009.7 1012.8 1006.3 997.8 DAY 15 22 23 9 4 30 10 14 1 6 4 9 MEAN QFF PRESSURE IN HPA 1020.3 1022.8 1017.2 1012.9 1014.8 1008.4 1006.6 1008.1 1015.0 1016.4 1022.4 1020.5 1015.4 MAX. QFF PRESSURE IN HPA 1034.6 1033.5 1035.2 1022.0 1024.6 1016.1 1014.1 1015.5 1023.7 1026.2 1038.1 1032.2 1038.1 DAY 23 7 10 13 15 3 19 21 14 31 7 27 MIN. QFF PRESSURE IN HPA 1007.0 1014.2 1004.3 995.6 1004.8 1002.3 999.8 1000.3 1000.2 1007.5 1011.0 1005.4 995.6 DAY 15 22 23 9 4 12 10 14 1 2 4 9 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 965.0 966.7 961.8 959.7 962.3 957.3 956.1 957.4 963.1 963.7 967.6 965.4 962.2 MAX. QFE PRESSURE IN HPA 977.2 974.3 978.9 966.4 970.3 963.9 962.3 963.9 970.9 971.7 981.6 975.4 981.6 DAY 23 8 10 13 15 7 19 21 14 31 7 27 MIN. QFE PRESSURE IN HPA 953.3 959.0 951.1 945.6 952.0 951.2 949.6 950.5 950.5 955.3 958.0 953.3 945.6 DAY 15 22 23 9 4 30 10 4 1 2 4 9 MEAN QNH PRESSURE IN HPA 1019.0 1020.8 1015.7 1013.4 1016.2 1010.9 1009.7 1011.1 1017.0 1017.6 1021.8 1019.4 1016.1 MAX. QNH PRESSURE IN HPA 1031.8 1028.7 1033.6 1020.5 1024.6 1017.9 1016.2 1017.9 1025.2 1026.0 1036.4 1029.9 1036.4 DAY 23 8 10 13 15 7 19 21 14 31 7 27 MIN. QNH PRESSURE IN HPA 1006.8 1012.8 1004.5 998.7 1005.4 1004.6 1002.9 1003.9 1003.9 1008.9 1011.7 1006.8 998.7 DAY 15 22 23 9 4 30 10 4 1 2 4 9 MEAN QFF PRESSURE IN HPA 1020.0 1022.2 1016.5 1012.4 1014.3 1008.2 1006.6 1007.8 1014.8 1015.8 1021.9 1020.1 1015.0 MAX. QFF PRESSURE IN HPA 1033.8 1031.4 1035.6 1020.4 1024.1 1015.8 1013.8 1015.3 1024.3 1026.3 1037.1 1032.0 1037.1 DAY 23 7 10 12 15 3 19 21 14 31 7 27 MIN. QFF PRESSURE IN HPA 1006.7 1013.9 1002.9 996.6 1002.8 1001.1 999.2 999.5 1000.1 1005.5 1009.6 1005.9 996.6 DAY 15 22 23 9 4 30 10 12 1 2 4 9 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 5.1 4.9 10.9 17.4 21.5 28.6 27.9 28.4 24.2 18.5 14.8 11.1 17.8 MINIMUN AIR TEMPERATURE (C) 2.8 1.4 6.9 12.8 16.5 22.2 23.1 23.9 19.7 14.0 10.9 8.0 13.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 2 25 30 27 8 1 0 0 94 DAYS WITH MINIMUM TEMP. <=-4 0 2 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH FREEZING MIN.<= 0 4 13 3 0 0 0 0 0 0 0 0 0 20 TEMPERATURE RECORDS LOWEST(C) -1.0 -6.6 -1.8 4.4 8.2 16.4 20.8 19.0 14.4 5.2 5.6 2.2 -6.6 DAY 14 16 2 1 3 1 25 5 12 9 30 2 MAXIMUM AIR TEMPERATURE (C) 8.3 9.3 15.4 22.4 27.0 35.1 33.6 34.0 29.8 24.0 19.9 14.9 22.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 4 7 29 28 28 15 5 0 1 118 DAYS WITH MAXIMUM TEMP. <= 0 0 1 0 0 0 0 0 0 0 0 0 0 1 TEMPERATURE RECORDS HIGHEST(C) 15.4 23.0 30.0 31.6 36.8 39.4 38.0 40.6 40.4 33.4 28.0 32.0 40.6 DAY 30 7 29 14 21 23 11 31 1 1 1 11 DIF. BETWEEN (MAX.-MIN.) (C) 5.5 7.9 8.5 9.6 10.5 12.9 10.5 10.1 10.1 10.0 9.0 6.9 9.3 MEAN DAILY TEMP. (MDT) (C) 5.5 5.3 11.2 17.6 21.7 28.6 28.4 29.0 24.7 19.0 15.4 11.5 18.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 1.4 19.3 61.9 229.5 229.0 247.3 116.2 33.3 2.3 3.5 943.9 HEATING DEG. DAYS(BASE 18 0C) 386.4 354.6 195.2 63.6 18.3 0.0 0.0 0.0 0.0 43.8 90.6 217.1 1369.5 DEWPOINT (MEAN C) 0.5 -0.5 3.2 9.9 10.5 13.2 17.2 17.9 13.4 7.2 7.2 4.5 8.7 MIXING RATIO (G/KG) 4.16 3.95 5.18 8.22 8.55 10.42 13.21 14.04 10.53 7.00 6.71 5.58 8.13 VAPOUR PRESSURE (HPA) 6.41 6.09 7.92 12.53 13.02 15.79 19.90 21.15 15.98 10.74 10.32 8.62 12.37 SATURATION DEF. (HPA) 2.58 3.20 6.18 8.52 13.77 24.53 18.56 18.55 15.22 11.56 7.10 5.42 11.27 RELATIVE HUMIDITY (MEAN %) 74 72 63 65 53 43 55 57 55 53 64 69 60 RELATIVE HUMIDITY (MAX. %) 88 88 77 80 71 63 73 76 72 69 82 84 77 RELATIVE HUMIDITY (MIN. %) 61 55 48 49 39 26 37 39 37 38 50 54 44 RELATIVE HUMIDITY (MEAN% 03UTC) 75 78 68 71 63 56 68 68 66 61 73 72 68 RELATIVE HUMIDITY (MEAN% 09UTC) 71 67 58 56 45 31 44 46 42 42 56 65 52 RELATIVE HUMIDITY (MEAN% 15UTC) 75 71 63 67 47 31 43 53 51 48 61 70 57 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 61.0 47.7 43.8 42.4 39.6 18.1 6.6 53.6 8.9 23.7 14.6 14.3 374.3 DAYS WITH PRECIPITATION >=10 1 1 2 2 2 1 0 3 0 1 0 0 13 DAYS WITH PRECIPITATION >= 5 6 4 4 3 4 2 0 3 0 2 2 1 31 DAYS WITH PRECIPITATION >= 1 11 9 6 4 5 3 2 5 4 4 2 4 59 DAYS WITH PRECIPITATION 15 14 9 5 9 7 3 7 5 9 4 6 93 GREATEST DAILY PRECIPITATION 14.9 10.0 11.2 19.0 13.0 11.0 3.6 19.0 4.4 10.0 8.0 6.0 19.0 DAY 6 8 19 24 1 30 14 9 11 20 28 24 DAY WITH THUNDER STORM 2 0 0 1 4 1 0 5 3 1 0 0 17 DAYS WITH SNOW OR SLEET 6 13 0 0 0 0 0 0 0 0 0 0 19 DAYS WITH DUST 0 0 1 0 0 1 0 1 0 1 1 2 7 WIND DIRECTION (PREVAILING) 180 270 135 135 180 180 180 180 180 135 135 135 180 PREVAILING WIND SPEED(KNOTS) 9.3 5.1 10.9 8.7 10.8 10.4 10.5 8.9 8.3 6.2 6.7 13.7 9.5 PREVAILING WIND PERCENT 14.5 10.7 14.1 14.6 21.4 17.1 25.8 21.8 20.8 10.5 7.5 15.3 14.6 CALMS PERCENT OF WIND 56.0 58.5 44.8 47.5 40.7 42.1 31.5 38.3 46.7 63.3 77.5 72.2 51.5 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 185 177 198 188 194 202 214 191 195 200 188 153 192 VECTOR WIND MAGNITUDE(KNOTS) 3.1 2.2 3.2 2.3 3.3 2.4 4.1 3.5 2.5 1.7 1.0 2.4 2.6 WIND STEADINESES (MEAN %) 73.8 62.9 61.5 62.2 64.7 50.0 71.9 63.6 69.4 68.0 66.7 77.4 65.0 WIND SPEED (MEAN KNOTS) 4.2 3.5 5.2 3.7 5.1 4.8 5.7 5.5 3.6 2.5 1.5 3.1 4.0 FASTEST WIND DIRECTION 220 140 190 140 170 180 200 130 180 210 210 140 190 FASTEST WIND SPEED (KNOTS) 29 33 45 23 29 23 21 29 21 23 21 27 45 DAY 6 18 25 8 24 16 20 30 9 17 19 10 DAYS WITH SKY CLEAR (0-2)/8 6 9 8 13 12 21 13 16 20 18 14 6 156 DAYS WITH P.CLOUDY (3-6)/8 10 9 10 7 12 8 14 13 6 7 9 12 117 DAYS WITH CLOUDY (7-8)/8 15 10 13 10 7 1 4 2 4 6 7 13 92 DAYS WITH VISIBILITY =< 2 KM 9 9 5 4 1 0 0 0 0 0 3 7 38 DURATION OF SUNSHINE HOURS 123.6 149.1 192.9 238.1 310.6 352.0 294.8 301.1 268.1 243.9 180.1 113.1 2767.4 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 965.0 966.2 962.4 961.5 962.1 960.0 957.0 959.2 961.5 966.5 966.9 969.0 963.1 MAX. QFE PRESSURE IN HPA 975.9 983.0 976.6 972.7 972.7 965.8 965.2 964.7 969.7 981.4 976.7 979.9 983.0 DAY-HOUR 22- 6 22-18 26- 6 12- 6 3- 6 6- 6 15- 6 19- 6 12- 6 9- 6 20-18 29- 6 MIN. QFE PRESSURE IN HPA 951.4 948.0 944.2 951.9 948.2 954.6 945.7 953.9 952.9 952.6 956.7 956.1 944.2 DAY-HOUR 13-12 14- 0 30- 3 21-12 22- 0 23-12 6- 0 26-15 24- 0 1-12 1-12 21- 3 MEAN QNH PRESSURE IN HPA 1019.1 1020.2 1016.3 1015.3 1016.0 1013.8 1010.7 1013.0 1015.4 1020.6 1021.0 1023.2 1017.0 MAX. QNH PRESSURE IN HPA 1030.4 1037.8 1031.1 1027.1 1027.1 1019.9 1019.2 1018.7 1023.9 1036.2 1031.3 1034.6 1037.8 DAY-HOUR 22- 6 22-18 26- 6 12- 6 3- 6 6- 6 15- 6 19- 6 12- 6 9- 6 20-18 29- 6 MIN. QNH PRESSURE IN HPA 1004.8 1001.3 997.3 1005.3 1001.5 1008.2 998.8 1007.4 1006.4 1006.1 1010.3 1009.7 997.3 DAY-HOUR 13-12 14- 0 30- 3 21-12 22- 0 23-12 6- 0 26-15 24- 0 1-12 1-12 21- 3 MEAN QFF PRESSURE IN HPA 1020.6 1021.9 1015.8 1014.3 1014.2 1010.7 1007.6 1009.8 1013.0 1019.4 1020.6 1023.5 1016.0 MAX. QFF PRESSURE IN HPA 1032.7 1040.6 1027.1 1026.8 1027.1 1016.9 1017.1 1015.9 1022.9 1037.5 1031.5 1035.5 1040.6 DAY-HOUR 22- 9 22-18 3-18 1- 6 3- 6 6- 6 15- 6 19- 6 12- 6 9- 6 20-18 29- 6 MIN. QFF PRESSURE IN HPA 1006.4 1001.4 995.7 1003.5 998.1 1004.1 995.5 1003.6 1003.1 1003.0 1008.8 1009.3 995.5 DAY-HOUR 30- 9 8- 0 30- 3 21-12 22- 0 23-15 6- 0 26-15 24- 0 1-12 1-12 21- 3 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 964.8 965.9 961.7 961.0 961.9 960.0 957.1 959.1 961.4 966.0 966.8 968.9 962.9 MAX. QFE PRESSURE IN HPA 973.6 982.0 973.3 971.6 971.4 964.6 963.9 963.5 968.9 978.6 975.2 977.9 982.0 DAY 22 23 26 12 3 17 20 19 12 10 23 29 MIN. QFE PRESSURE IN HPA 953.3 948.0 945.1 953.5 948.2 955.0 945.7 954.7 952.9 954.1 958.6 956.7 945.1 DAY 30 14 30 22 22 23 6 27 24 2 9 21 MEAN QNH PRESSURE IN HPA 1018.8 1019.9 1015.6 1014.8 1015.8 1013.8 1010.7 1012.9 1015.3 1020.1 1020.9 1023.1 1016.8 MAX. QNH PRESSURE IN HPA 1028.0 1036.8 1027.7 1025.9 1025.7 1018.6 1017.9 1017.5 1023.1 1033.2 1029.7 1032.5 1036.8 DAY 22 23 26 12 3 17 20 19 12 10 23 29 MIN. QNH PRESSURE IN HPA 1006.8 1001.3 998.2 1007.0 1001.5 1008.6 998.8 1008.3 1006.4 1007.6 1012.3 1010.3 998.2 DAY 30 14 30 22 22 23 6 27 24 2 9 21 MEAN QFF PRESSURE IN HPA 1020.3 1021.4 1015.1 1013.8 1014.0 1010.7 1007.6 1009.6 1012.8 1018.8 1020.4 1023.3 1015.6 MAX. QFF PRESSURE IN HPA 1030.2 1039.4 1026.6 1025.3 1025.6 1015.2 1015.3 1014.8 1022.0 1034.1 1029.8 1033.3 1039.4 DAY 23 23 4 1 3 17 15 19 12 10 24 29 MIN. QFF PRESSURE IN HPA 1007.1 1001.4 995.7 1005.1 998.1 1004.8 995.5 1004.1 1003.1 1004.7 1011.2 1010.0 995.5 DAY 30 8 30 21 22 23 6 31 24 2 9 21 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 964.9 966.3 962.2 961.5 962.4 960.8 957.8 959.9 962.1 966.5 967.1 968.9 963.4 MAX. QFE PRESSURE IN HPA 974.4 980.9 975.5 972.4 971.8 965.6 964.6 964.3 969.2 980.4 975.4 978.1 980.9 DAY 22 23 26 12 3 6 15 19 12 9 24 29 MIN. QFE PRESSURE IN HPA 952.5 948.0 944.2 953.4 950.8 955.6 948.6 955.6 954.6 954.5 959.4 956.1 944.2 DAY 13 14 30 21 21 23 6 11 24 1 9 21 MEAN QNH PRESSURE IN HPA 1018.9 1020.4 1016.1 1015.3 1016.3 1014.7 1011.5 1013.7 1016.0 1020.6 1021.2 1023.1 1017.3 MAX. QNH PRESSURE IN HPA 1028.9 1035.6 1030.0 1026.8 1026.1 1019.7 1018.6 1018.3 1023.4 1035.1 1029.9 1032.7 1035.6 DAY 22 23 26 12 3 6 15 19 12 9 24 29 MIN. QNH PRESSURE IN HPA 1006.0 1001.3 997.3 1006.9 1004.2 1009.2 1001.9 1009.2 1008.2 1008.0 1013.2 1009.7 997.3 DAY 13 14 30 21 21 23 6 11 24 1 9 21 MEAN QFF PRESSURE IN HPA 1020.5 1022.2 1015.9 1014.6 1014.6 1011.6 1008.5 1010.6 1013.9 1019.7 1021.0 1023.6 1016.4 MAX. QFF PRESSURE IN HPA 1031.1 1038.4 1026.7 1026.7 1026.2 1016.7 1016.5 1015.7 1022.6 1036.5 1030.3 1033.5 1038.4 DAY 22 23 4 1 3 6 15 19 12 9 24 29 MIN. QFF PRESSURE IN HPA 1006.9 1002.8 995.7 1005.2 1001.1 1005.2 998.5 1005.4 1005.4 1005.7 1012.4 1009.3 995.7 DAY 30 14 30 21 21 23 6 11 24 1 9 21 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 965.7 967.0 963.3 962.2 962.8 961.1 958.0 960.3 962.7 967.5 968.1 969.8 964.0 MAX. QFE PRESSURE IN HPA 975.9 980.9 976.6 972.7 972.7 965.8 965.2 964.7 969.7 981.4 976.5 979.9 981.4 DAY 22 23 26 12 3 6 15 19 12 9 24 29 MIN. QFE PRESSURE IN HPA 953.1 950.0 951.2 952.8 950.9 956.2 949.3 956.2 956.5 954.6 960.4 960.9 949.3 DAY 13 14 30 21 21 24 5 11 24 1 1 21 MEAN QNH PRESSURE IN HPA 1019.8 1021.1 1017.2 1016.1 1016.7 1014.9 1011.7 1014.1 1016.6 1021.7 1022.2 1024.0 1018.0 MAX. QNH PRESSURE IN HPA 1030.4 1035.6 1031.1 1027.1 1027.1 1019.9 1019.2 1018.7 1023.9 1036.2 1031.0 1034.6 1036.2 DAY 22 23 26 12 3 6 15 19 12 9 24 29 MIN. QNH PRESSURE IN HPA 1006.6 1003.3 1004.6 1006.3 1004.3 1009.8 1002.6 1009.8 1010.1 1008.2 1014.2 1014.7 1002.6 DAY 13 14 30 21 21 24 5 11 24 1 1 21 MEAN QFF PRESSURE IN HPA 1021.3 1022.8 1017.1 1015.2 1015.0 1011.9 1008.7 1010.9 1014.3 1020.6 1021.9 1024.5 1017.0 MAX. QFF PRESSURE IN HPA 1032.7 1038.0 1026.2 1026.8 1027.1 1016.9 1017.1 1015.9 1022.9 1037.5 1031.2 1035.5 1038.0 DAY 22 23 4 1 3 6 15 19 12 9 24 29 MIN. QFF PRESSURE IN HPA 1007.6 1004.5 1003.2 1004.5 1001.1 1006.2 999.4 1006.1 1007.2 1005.7 1012.9 1014.3 999.4 DAY 30 14 30 21 21 24 5 11 24 1 1 11 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 964.9 966.1 962.8 961.7 962.3 960.2 957.3 959.4 961.5 966.5 966.9 968.7 963.2 MAX. QFE PRESSURE IN HPA 975.7 980.7 976.4 971.7 971.3 964.6 964.3 963.0 968.9 981.0 975.0 978.8 981.0 DAY 22 22 26 12 3 5 15 19 12 9 24 29 MIN. QFE PRESSURE IN HPA 952.2 950.5 953.3 952.5 950.2 955.3 948.0 955.6 955.7 953.4 958.2 960.4 948.0 DAY 13 14 29 21 21 24 5 23 23 1 1 23 MEAN QNH PRESSURE IN HPA 1018.9 1020.2 1016.7 1015.6 1016.2 1014.0 1011.0 1013.2 1015.4 1020.6 1021.0 1022.9 1017.1 MAX. QNH PRESSURE IN HPA 1030.2 1035.4 1030.9 1026.0 1025.6 1018.6 1018.3 1016.9 1023.1 1035.8 1029.5 1033.4 1035.8 DAY 22 22 26 12 3 5 15 19 12 9 24 29 MIN. QNH PRESSURE IN HPA 1005.6 1003.9 1006.8 1006.0 1003.5 1008.9 1001.3 1009.2 1009.3 1006.9 1011.9 1014.2 1001.3 DAY 13 14 29 21 21 24 5 23 23 1 1 23 MEAN QFF PRESSURE IN HPA 1020.4 1021.7 1016.0 1014.4 1014.4 1010.9 1007.9 1010.0 1013.0 1019.3 1020.5 1023.1 1016.0 MAX. QFF PRESSURE IN HPA 1032.7 1037.7 1025.1 1025.9 1025.4 1015.4 1015.8 1014.0 1021.8 1036.8 1029.5 1034.0 1037.7 DAY 22 22 4 1 3 5 15 19 12 9 24 29 MIN. QFF PRESSURE IN HPA 1006.4 1004.4 1004.4 1004.2 1000.2 1005.1 998.0 1005.5 1006.2 1003.6 1010.4 1013.5 998.0 DAY 30 7 29 21 21 24 5 26 2 1 1 23 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 964.5 965.5 962.0 961.0 961.5 959.0 956.1 958.4 960.6 965.7 966.1 968.2 962.4 MAX. QFE PRESSURE IN HPA 975.5 981.1 974.0 970.3 970.7 963.5 963.7 961.9 967.9 980.0 974.9 977.9 981.1 DAY 22 22 26 12 3 5 15 18 12 9 20 29 MIN. QFE PRESSURE IN HPA 951.4 950.8 952.7 951.9 949.3 954.6 946.7 954.4 954.0 952.6 956.7 959.7 946.7 DAY 13 14 17 21 21 23 5 26 23 1 1 23 MEAN QNH PRESSURE IN HPA 1018.5 1019.5 1015.9 1014.8 1015.4 1012.8 1009.7 1012.1 1014.4 1019.8 1020.2 1022.3 1016.3 MAX. QNH PRESSURE IN HPA 1030.0 1035.9 1028.4 1024.6 1025.0 1017.5 1017.7 1015.8 1022.1 1034.7 1029.4 1032.5 1035.9 DAY 22 22 26 12 3 5 15 18 12 9 20 29 MIN. QNH PRESSURE IN HPA 1004.8 1004.2 1006.2 1005.3 1002.6 1008.2 999.9 1007.9 1007.5 1006.1 1010.3 1013.5 999.9 DAY 13 14 17 21 21 23 5 26 23 1 1 23 MEAN QFF PRESSURE IN HPA 1020.0 1021.0 1015.3 1013.7 1013.6 1009.7 1006.6 1008.8 1012.0 1018.5 1019.6 1022.6 1015.1 MAX. QFF PRESSURE IN HPA 1032.4 1038.2 1023.4 1024.5 1024.7 1014.4 1015.2 1013.0 1020.7 1035.6 1029.5 1033.1 1038.2 DAY 22 22 4 1 3 5 15 18 12 9 20 29 MIN. QFF PRESSURE IN HPA 1006.5 1004.5 1004.8 1003.5 999.3 1004.3 996.6 1003.9 1004.5 1003.0 1008.8 1012.8 996.6 DAY 30 7 30 21 21 23 5 26 23 1 1 23 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 965.0 966.0 962.2 961.2 961.4 958.8 955.9 958.4 960.9 966.3 966.7 969.1 962.7 MAX. QFE PRESSURE IN HPA 975.5 982.3 972.4 969.6 970.5 963.2 963.4 964.0 967.9 980.1 976.5 977.2 982.3 DAY 22 22 26 12 2 17 20 9 12 9 20 29 MIN. QFE PRESSURE IN HPA 952.8 951.1 949.1 952.3 949.8 954.6 945.8 953.9 953.6 953.1 957.5 959.3 945.8 DAY 13 13 29 21 21 23 5 26 23 1 1 20 MEAN QNH PRESSURE IN HPA 1019.1 1020.1 1016.0 1015.1 1015.3 1012.6 1009.5 1012.1 1014.7 1020.4 1020.8 1023.3 1016.6 MAX. QNH PRESSURE IN HPA 1030.0 1037.1 1026.8 1023.8 1024.8 1017.1 1017.3 1018.0 1022.1 1034.8 1031.0 1031.8 1037.1 DAY 22 22 26 12 2 17 20 9 12 9 20 29 MIN. QNH PRESSURE IN HPA 1006.3 1004.5 1002.4 1005.7 1003.1 1008.2 999.0 1007.4 1007.1 1006.6 1011.2 1013.1 999.0 DAY 13 13 29 21 21 23 5 26 23 1 1 20 MEAN QFF PRESSURE IN HPA 1020.7 1021.9 1015.7 1014.3 1013.6 1009.5 1006.4 1009.0 1012.6 1019.5 1020.6 1023.8 1015.6 MAX. QFF PRESSURE IN HPA 1032.4 1039.6 1024.6 1024.8 1024.8 1014.7 1014.8 1015.9 1021.0 1035.9 1031.3 1032.9 1039.6 DAY 22 22 3 1 2 17 20 9 12 9 20 3 MIN. QFF PRESSURE IN HPA 1008.2 1005.7 1000.2 1004.1 1000.0 1004.1 995.7 1003.6 1004.1 1004.0 1010.2 1013.2 995.7 DAY 30 7 29 21 21 23 5 26 1 1 1 20 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 965.4 966.4 962.6 961.8 962.3 960.1 957.0 959.3 961.6 966.8 966.9 969.2 963.3 MAX. QFE PRESSURE IN HPA 975.0 983.0 971.3 970.3 971.7 965.0 964.4 963.2 968.9 980.1 976.7 977.0 983.0 DAY 22 22 26 6 2 16 20 9 11 9 20 2 MIN. QFE PRESSURE IN HPA 953.9 950.1 947.4 952.5 951.4 955.9 946.0 954.5 953.8 953.7 957.8 957.7 946.0 DAY 29 13 18 21 21 22 5 26 23 1 10 20 MEAN QNH PRESSURE IN HPA 1019.4 1020.5 1016.5 1015.7 1016.2 1013.9 1010.7 1013.0 1015.5 1020.9 1021.0 1023.4 1017.2 MAX. QNH PRESSURE IN HPA 1029.5 1037.8 1025.6 1024.6 1026.0 1019.0 1018.4 1017.1 1023.1 1034.8 1031.3 1031.6 1037.8 DAY 22 22 26 6 2 16 20 9 11 9 20 2 MIN. QNH PRESSURE IN HPA 1007.4 1003.4 1000.6 1006.0 1004.8 1009.5 999.2 1008.0 1007.3 1007.2 1011.5 1011.4 999.2 DAY 29 13 18 21 21 22 5 26 23 1 10 20 MEAN QFF PRESSURE IN HPA 1021.0 1022.2 1016.0 1014.8 1014.5 1010.9 1007.6 1009.9 1013.2 1019.9 1020.7 1023.9 1016.2 MAX. QFF PRESSURE IN HPA 1031.8 1040.6 1027.1 1025.5 1026.2 1015.9 1015.6 1014.4 1022.2 1036.0 1031.5 1033.8 1040.6 DAY 22 22 3 6 2 16 20 9 11 9 20 2 MIN. QFF PRESSURE IN HPA 1007.8 1005.1 998.2 1004.0 1001.5 1006.1 995.8 1004.2 1004.3 1004.6 1011.2 1011.0 995.8 DAY 29 7 29 21 21 23 5 26 23 1 18 20 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 965.2 966.2 962.2 961.4 962.0 959.9 957.0 959.2 961.4 966.5 966.7 969.1 963.1 MAX. QFE PRESSURE IN HPA 974.6 983.0 971.4 971.1 971.5 964.0 963.9 964.0 968.9 979.2 976.0 977.8 983.0 DAY 22 22 25 11 2 16 20 18 11 9 23 11 MIN. QFE PRESSURE IN HPA 953.3 949.3 946.5 952.7 949.4 955.2 945.9 954.7 953.1 953.5 958.3 956.7 945.9 DAY 29 13 29 21 21 22 5 26 23 1 8 20 MEAN QNH PRESSURE IN HPA 1019.2 1020.3 1016.1 1015.3 1015.9 1013.7 1010.7 1012.9 1015.2 1020.6 1020.8 1023.4 1017.0 MAX. QNH PRESSURE IN HPA 1029.1 1037.8 1025.7 1025.4 1025.8 1018.0 1017.9 1018.0 1023.1 1033.9 1030.5 1032.4 1037.8 DAY 22 22 25 11 2 16 20 18 11 9 23 11 MIN. QNH PRESSURE IN HPA 1006.8 1002.6 999.7 1006.2 1002.7 1008.8 999.1 1008.3 1006.6 1007.0 1012.0 1010.3 999.1 DAY 29 13 29 21 21 22 5 26 23 1 8 20 MEAN QFF PRESSURE IN HPA 1020.7 1021.8 1015.4 1014.2 1014.1 1010.5 1007.6 1009.7 1012.8 1019.3 1020.3 1023.6 1015.8 MAX. QFF PRESSURE IN HPA 1031.4 1040.4 1026.9 1025.5 1025.9 1014.8 1015.2 1015.1 1022.0 1034.9 1030.5 1033.2 1040.4 DAY 22 22 3 6 2 16 14 18 11 9 23 2 MIN. QFF PRESSURE IN HPA 1006.8 1004.3 996.5 1004.3 999.3 1005.1 995.8 1004.4 1003.5 1004.1 1010.9 1009.8 995.8 DAY 29 13 29 20 21 22 5 26 23 1 8 20 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 7.2 11.5 10.2 15.8 20.3 25.6 26.8 30.5 23.8 19.4 10.8 10.7 17.7 MINIMUN AIR TEMPERATURE (C) 4.2 7.3 6.7 11.3 14.8 19.9 21.5 25.0 19.2 15.5 7.4 6.9 13.3 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 1 9 21 31 10 2 0 0 74 DAYS WITH MINIMUM TEMP. <=-4 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH FREEZING MIN.<= 0 4 0 2 0 0 0 0 0 0 0 0 0 6 TEMPERATURE RECORDS LOWEST(C) -4.0 2.0 -1.0 6.6 8.4 16.2 15.2 21.4 11.6 6.8 1.8 2.6 -4.0 DAY 2 5 19 10 22 17 13 31 24 26 10 2 MAXIMUM AIR TEMPERATURE (C) 11.3 17.1 15.1 21.5 27.2 32.4 32.9 36.7 29.3 24.8 15.6 15.6 23.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 1 10 23 26 31 16 2 0 0 109 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 20.4 25.0 25.6 33.6 38.6 37.6 38.2 43.6 35.6 35.0 25.6 23.6 43.6 DAY 15 20 26 30 27 2 30 5 2 11 19 30 DIF. BETWEEN (MAX.-MIN.) (C) 7.1 9.8 8.4 10.2 12.4 12.5 11.4 11.7 10.1 9.3 8.2 8.7 10.0 MEAN DAILY TEMP. (MDT) (C) 7.7 12.2 10.9 16.4 21.0 26.1 27.2 30.9 24.2 20.2 11.5 11.3 18.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 5.4 55.8 154.1 193.4 305.7 113.9 35.3 0.0 0.0 863.6 HEATING DEG. DAYS(BASE 18 0C) 317.8 164.5 220.3 70.8 22.2 0.0 0.0 0.0 2.9 26.8 197.5 207.8 1230.5 DEWPOINT (MEAN C) 0.8 2.3 4.1 7.4 9.0 12.1 14.5 16.2 13.4 9.0 4.2 1.7 7.9 MIXING RATIO (G/KG) 4.38 4.82 5.45 6.86 7.82 9.44 11.13 12.87 10.48 7.83 5.47 4.61 7.60 VAPOUR PRESSURE (HPA) 6.75 7.39 8.37 10.51 11.93 14.31 16.82 19.38 15.90 11.97 8.42 7.12 11.57 SATURATION DEF. (HPA) 3.76 6.76 4.64 8.23 13.30 19.57 19.61 25.44 14.50 11.42 5.12 6.28 11.55 RELATIVE HUMIDITY (MEAN %) 68 58 69 62 54 46 50 47 56 56 68 59 58 RELATIVE HUMIDITY (MAX. %) 83 74 82 79 75 65 69 68 74 72 85 75 75 RELATIVE HUMIDITY (MIN. %) 56 44 56 44 36 29 33 28 40 40 52 45 42 RELATIVE HUMIDITY (MEAN% 03UTC) 70 63 77 67 65 59 63 59 68 60 74 62 66 RELATIVE HUMIDITY (MEAN% 09UTC) 61 51 63 50 46 35 38 35 47 47 61 55 49 RELATIVE HUMIDITY (MEAN% 15UTC) 70 59 66 61 46 35 41 35 49 56 68 61 54 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 43.5 29.3 28.0 32.3 20.8 1.0 44.8 1.8 43.8 39.0 47.8 10.7 342.8 DAYS WITH PRECIPITATION >=10 3 2 0 1 1 0 2 0 2 1 2 0 14 DAYS WITH PRECIPITATION >= 5 3 2 2 3 2 0 3 0 3 2 3 0 23 DAYS WITH PRECIPITATION >= 1 6 2 7 4 3 0 4 1 4 3 9 3 46 DAYS WITH PRECIPITATION 8 4 10 9 9 2 9 2 8 5 15 6 87 GREATEST DAILY PRECIPITATION 12.3 18.3 8.2 16.0 11.0 0.7 26.0 1.0 19.9 30.0 17.2 3.0 30.0 DAY 1 21 13 9 11 22 25 8 23 13 28 16 DAY WITH THUNDER STORM 0 0 0 0 0 0 4 2 0 2 0 0 8 DAYS WITH SNOW OR SLEET 1 0 1 0 0 0 0 0 0 0 0 0 2 DAYS WITH DUST 0 0 0 0 1 2 0 1 0 1 0 0 5 WIND DIRECTION (PREVAILING) 135 135 135 180 180 180 180 180 180 135 135 135 180 PREVAILING WIND SPEED(KNOTS) 16.4 14.0 11.0 12.8 12.2 12.0 11.5 10.8 9.9 6.5 10.4 12.1 11.1 PREVAILING WIND PERCENT 10.1 23.7 14.5 15.8 18.5 22.9 22.2 14.9 14.2 12.9 16.7 21.0 13.4 CALMS PERCENT OF WIND 73.8 50.9 60.9 50.0 41.1 38.8 40.7 47.6 52.9 61.7 61.3 68.1 54.0 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 167 161 177 194 208 210 210 197 204 182 171 157 188 VECTOR WIND MAGNITUDE(KNOTS) 2.0 5.2 2.3 3.8 3.8 4.5 3.5 2.3 2.4 1.7 2.4 3.0 2.9 WIND STEADINESES (MEAN %) 74.1 83.9 65.7 71.7 65.5 73.8 62.5 51.1 66.7 65.4 68.6 90.9 65.9 WIND SPEED (MEAN KNOTS) 2.7 6.2 3.5 5.3 5.8 6.1 5.6 4.5 3.6 2.6 3.5 3.3 4.4 FASTEST WIND DIRECTION 130 130 140 190 240 180 190 130 220 220 190 150 240 FASTEST WIND SPEED (KNOTS) 33 33 25 25 35 27 25 29 21 29 29 27 35 DAY 27 7 20 20 14 25 1 13 4 11 20 6 DAYS WITH SKY CLEAR (0-2)/8 14 12 12 9 16 23 18 25 19 24 11 15 198 DAYS WITH P.CLOUDY (3-6)/8 4 11 6 14 7 7 13 5 8 4 5 7 91 DAYS WITH CLOUDY (7-8)/8 13 5 13 7 8 0 0 1 3 3 14 9 76 DAYS WITH VISIBILITY =< 2 KM 5 0 4 1 4 0 0 0 2 1 6 4 27 DURATION OF SUNSHINE HOURS 145.6 195.3 183.7 231.2 264.3 333.0 325.8 349.3 265.4 263.1 131.2 173.3 2861.2 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 966.9 962.2 963.8 963.3 962.1 958.3 957.1 957.3 961.1 964.2 966.9 968.6 962.7 MAX. QFE PRESSURE IN HPA 985.7 974.3 975.7 971.9 970.0 968.9 962.7 966.2 969.2 974.3 979.5 979.7 985.7 DAY-HOUR 2- 6 11- 6 18-18 22- 6 9- 3 16-18 18- 6 20- 6 23-18 26- 6 30-18 24- 6 MIN. QFE PRESSURE IN HPA 952.8 943.8 952.1 950.4 950.4 944.5 950.0 951.4 952.5 958.0 954.7 957.9 943.8 DAY-HOUR 9-12 20-18 21- 9 13-21 14- 3 24-21 21-21 6-12 15-12 18-12 25- 9 15-12 MEAN QNH PRESSURE IN HPA 1021.0 1016.1 1017.7 1017.2 1016.0 1012.1 1010.8 1011.0 1015.0 1018.2 1021.0 1022.8 1016.6 MAX. QNH PRESSURE IN HPA 1040.7 1028.7 1030.2 1026.2 1024.2 1023.1 1016.6 1020.3 1023.4 1028.7 1034.2 1034.4 1040.7 DAY-HOUR 2- 6 11- 6 18-18 22- 6 9- 3 16-18 18- 6 20- 6 23-18 26- 6 30-18 24- 6 MIN. QNH PRESSURE IN HPA 1006.3 996.9 1005.5 1003.8 1003.8 997.6 1003.3 1004.8 1006.0 1011.7 1008.3 1011.6 996.9 DAY-HOUR 9-12 20-18 21- 9 13-21 14- 3 24-21 21-21 6-12 15-12 18-12 25- 9 15-12 MEAN QFF PRESSURE IN HPA 1022.2 1016.3 1018.2 1016.6 1014.4 1009.5 1007.9 1007.5 1012.7 1016.9 1021.4 1023.2 1015.6 MAX. QFF PRESSURE IN HPA 1043.8 1029.8 1032.9 1026.5 1024.1 1021.4 1014.6 1016.8 1022.9 1029.4 1036.1 1035.7 1043.8 DAY-HOUR 2- 6 11- 6 18-18 22- 6 9- 3 16-18 13- 3 20- 6 23-18 26- 6 30-15 24-18 MIN. QFF PRESSURE IN HPA 1005.6 995.3 1004.4 1001.6 1001.0 994.3 999.4 1000.8 1003.0 1008.9 1006.6 1010.9 994.3 DAY-HOUR 9-12 20-18 21- 9 13-21 14- 3 24-21 21-21 6-12 15-12 11- 9 25- 9 15-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 966.5 961.6 963.2 963.0 961.8 958.4 957.3 957.1 961.0 963.7 966.7 968.6 962.4 MAX. QFE PRESSURE IN HPA 984.3 972.1 973.9 971.0 968.4 968.2 962.0 964.9 966.5 972.9 976.9 978.6 984.3 DAY 2 11 19 23 9 17 19 20 5 26 30 1 MIN. QFE PRESSURE IN HPA 954.7 948.7 952.5 950.6 952.3 944.7 951.3 952.5 953.6 958.2 955.4 959.5 944.7 DAY 9 21 21 14 14 25 22 13 13 11 25 14 MEAN QNH PRESSURE IN HPA 1020.6 1015.4 1017.1 1016.9 1015.7 1012.2 1011.0 1010.7 1014.9 1017.7 1020.8 1022.8 1016.3 MAX. QNH PRESSURE IN HPA 1039.2 1026.4 1028.3 1025.3 1022.6 1022.4 1015.9 1018.9 1020.6 1027.3 1031.5 1033.2 1039.2 DAY 2 11 19 23 9 17 19 20 5 26 30 1 MIN. QNH PRESSURE IN HPA 1008.3 1002.0 1006.0 1004.0 1005.7 997.8 1004.7 1006.0 1007.1 1011.9 1009.0 1013.3 997.8 DAY 9 21 21 14 14 25 22 13 13 11 25 14 MEAN QFF PRESSURE IN HPA 1021.7 1015.5 1017.5 1016.2 1014.1 1009.6 1008.2 1007.1 1012.5 1016.2 1021.1 1023.2 1015.2 MAX. QFF PRESSURE IN HPA 1042.4 1027.5 1031.1 1025.1 1022.5 1020.4 1013.3 1015.3 1020.1 1028.3 1033.3 1034.9 1042.4 DAY 2 12 19 23 9 17 13 20 24 26 30 1 MIN. QFF PRESSURE IN HPA 1007.7 1000.8 1004.9 1001.8 1002.6 994.9 1001.1 1002.2 1004.3 1009.2 1007.9 1012.7 994.9 DAY 9 21 21 14 14 25 22 13 13 11 25 16 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 966.7 962.2 963.8 963.4 962.7 959.4 957.9 957.9 961.6 964.2 966.8 969.0 963.0 MAX. QFE PRESSURE IN HPA 985.0 972.8 973.2 971.3 970.0 968.2 962.3 965.6 967.2 972.9 977.2 978.4 985.0 DAY 2 11 19 23 9 17 19 20 5 26 30 1 MIN. QFE PRESSURE IN HPA 953.1 951.2 952.8 951.5 950.4 946.9 953.9 952.5 954.8 958.1 955.2 959.1 946.9 DAY 9 20 21 14 14 25 22 13 13 31 25 14 MEAN QNH PRESSURE IN HPA 1020.8 1016.1 1017.8 1017.4 1016.6 1013.1 1011.6 1011.6 1015.5 1018.2 1020.9 1023.2 1016.9 MAX. QNH PRESSURE IN HPA 1039.9 1027.2 1027.6 1025.6 1024.2 1022.4 1016.2 1019.7 1021.3 1027.3 1031.8 1033.0 1039.9 DAY 2 11 19 23 9 17 19 20 5 26 30 1 MIN. QNH PRESSURE IN HPA 1006.6 1004.6 1006.3 1004.9 1003.8 1000.1 1007.4 1006.0 1008.4 1011.8 1008.8 1012.9 1000.1 DAY 9 20 21 14 14 25 22 13 13 31 25 14 MEAN QFF PRESSURE IN HPA 1022.1 1016.6 1018.4 1016.9 1015.1 1010.6 1008.9 1008.2 1013.3 1017.0 1021.5 1023.8 1016.0 MAX. QFF PRESSURE IN HPA 1043.4 1028.3 1030.4 1025.5 1024.1 1020.6 1014.6 1016.2 1020.2 1028.2 1033.9 1034.9 1043.4 DAY 2 11 19 23 9 17 13 20 28 26 30 1 MIN. QFF PRESSURE IN HPA 1006.2 1004.0 1005.5 1003.2 1001.0 997.1 1004.1 1002.2 1005.7 1010.2 1008.0 1012.6 997.1 DAY 9 20 21 14 14 25 22 13 13 11 25 14 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 967.7 963.3 964.7 964.0 963.0 959.4 958.1 958.5 962.3 965.2 967.4 969.6 963.6 MAX. QFE PRESSURE IN HPA 985.7 974.3 973.2 971.9 970.0 967.0 962.7 966.2 968.1 974.3 978.4 979.7 985.7 DAY 2 11 1 22 9 16 18 20 5 26 30 24 MIN. QFE PRESSURE IN HPA 953.4 950.2 953.3 954.1 953.9 948.2 953.9 952.7 955.2 958.7 955.6 959.1 948.2 DAY 9 20 21 14 14 25 16 13 15 11 25 14 MEAN QNH PRESSURE IN HPA 1021.8 1017.3 1018.7 1018.0 1017.0 1013.2 1011.8 1012.3 1016.2 1019.2 1021.6 1023.8 1017.6 MAX. QNH PRESSURE IN HPA 1040.7 1028.7 1027.6 1026.2 1024.2 1021.1 1016.6 1020.3 1022.3 1028.7 1033.0 1034.4 1040.7 DAY 2 11 1 22 9 16 18 20 5 26 30 24 MIN. QNH PRESSURE IN HPA 1006.9 1003.5 1006.8 1007.6 1007.4 1001.5 1007.4 1006.2 1008.8 1012.4 1009.2 1012.9 1001.5 DAY 9 20 21 14 14 25 16 13 15 11 25 14 MEAN QFF PRESSURE IN HPA 1023.0 1017.6 1019.3 1017.4 1015.5 1010.7 1009.0 1008.8 1014.0 1017.9 1021.9 1024.3 1016.6 MAX. QFF PRESSURE IN HPA 1043.8 1029.8 1028.5 1026.5 1024.0 1019.5 1014.4 1016.8 1021.2 1029.4 1034.8 1035.5 1043.8 DAY 2 11 1 22 9 17 13 20 28 26 30 24 MIN. QFF PRESSURE IN HPA 1006.1 1002.7 1006.0 1005.9 1005.6 998.5 1004.2 1002.5 1006.2 1009.5 1008.1 1012.5 998.5 DAY 9 20 21 14 14 25 30 13 15 11 25 14 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 967.1 962.6 964.1 963.5 962.3 958.4 957.1 957.5 961.2 964.4 966.5 968.5 962.8 MAX. QFE PRESSURE IN HPA 984.5 973.8 972.6 971.5 969.2 966.9 961.6 964.6 967.4 973.2 978.0 979.6 984.5 DAY 2 11 1 22 9 16 18 20 28 26 30 24 MIN. QFE PRESSURE IN HPA 953.6 947.3 952.1 954.6 955.3 947.3 953.6 952.5 953.5 958.4 954.7 958.3 947.3 DAY 9 20 21 14 18 25 4 6 15 11 25 15 MEAN QNH PRESSURE IN HPA 1021.2 1016.5 1018.1 1017.5 1016.2 1012.1 1010.8 1011.2 1015.0 1018.4 1020.6 1022.7 1016.7 MAX. QNH PRESSURE IN HPA 1039.4 1028.2 1027.0 1025.8 1023.4 1021.0 1015.5 1018.6 1021.5 1027.6 1032.6 1034.3 1039.4 DAY 2 11 1 22 9 16 18 20 28 26 30 24 MIN. QNH PRESSURE IN HPA 1007.1 1000.5 1005.5 1008.2 1008.9 1000.5 1007.1 1006.0 1007.0 1012.1 1008.3 1012.0 1000.5 DAY 9 20 21 14 18 25 4 6 15 11 25 15 MEAN QFF PRESSURE IN HPA 1022.3 1016.6 1018.5 1016.8 1014.6 1009.5 1007.9 1007.6 1012.7 1017.0 1020.9 1023.0 1015.6 MAX. QFF PRESSURE IN HPA 1042.5 1029.3 1028.7 1025.9 1023.0 1018.9 1012.5 1015.1 1020.6 1028.1 1034.3 1035.5 1042.5 DAY 2 11 18 22 9 16 18 20 28 26 30 24 MIN. QFF PRESSURE IN HPA 1006.1 999.2 1004.4 1006.4 1005.9 997.2 1003.3 1001.9 1004.1 1008.9 1006.6 1011.4 997.2 DAY 9 20 21 14 18 25 30 6 15 11 25 15 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 966.4 961.6 963.2 962.6 961.3 957.2 956.0 956.4 960.1 963.7 966.2 967.9 961.9 MAX. QFE PRESSURE IN HPA 982.3 972.9 973.5 970.4 968.0 966.4 960.4 963.3 967.7 972.6 978.2 979.1 982.3 DAY 2 11 18 22 9 16 18 20 23 26 30 24 MIN. QFE PRESSURE IN HPA 952.8 945.7 952.1 953.1 955.0 946.5 952.4 951.4 952.5 958.0 955.1 957.9 945.7 DAY 9 20 21 13 18 25 21 6 15 18 25 15 MEAN QNH PRESSURE IN HPA 1020.5 1015.5 1017.2 1016.6 1015.2 1010.9 1009.6 1010.0 1013.9 1017.7 1020.2 1022.1 1015.8 MAX. QNH PRESSURE IN HPA 1037.1 1027.3 1027.9 1024.7 1022.2 1020.5 1014.2 1017.2 1021.8 1027.0 1032.8 1033.8 1037.1 DAY 2 11 18 22 9 16 18 20 23 26 30 24 MIN. QNH PRESSURE IN HPA 1006.3 998.8 1005.5 1006.6 1008.6 999.7 1005.8 1004.8 1006.0 1011.7 1008.7 1011.6 998.8 DAY 9 20 21 13 18 25 21 6 15 18 25 15 MEAN QFF PRESSURE IN HPA 1021.5 1015.6 1017.5 1015.8 1013.6 1008.3 1006.8 1006.4 1011.6 1016.3 1020.6 1022.4 1014.7 MAX. QFF PRESSURE IN HPA 1040.1 1028.3 1030.5 1024.6 1021.6 1018.4 1011.4 1013.7 1020.8 1027.4 1034.6 1035.0 1040.1 DAY 2 11 18 22 9 16 27 20 23 26 30 24 MIN. QFF PRESSURE IN HPA 1005.6 997.4 1004.5 1004.6 1005.2 996.9 1002.5 1000.8 1003.0 1010.1 1007.2 1010.9 996.9 DAY 9 20 21 13 18 25 21 6 15 18 25 15 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 966.9 962.1 963.6 962.7 961.3 957.1 956.1 956.5 960.4 964.3 967.0 968.4 962.2 MAX. QFE PRESSURE IN HPA 981.2 973.4 975.3 970.7 968.1 967.1 961.2 962.4 968.2 972.7 979.4 979.6 981.2 DAY 2 11 18 22 9 16 28 20 23 26 30 24 MIN. QFE PRESSURE IN HPA 953.4 945.0 952.2 952.1 954.8 946.7 951.8 952.4 953.7 958.8 956.1 958.0 945.0 DAY 9 20 21 13 17 24 21 5 15 18 19 15 MEAN QNH PRESSURE IN HPA 1021.1 1016.0 1017.5 1016.6 1015.1 1010.8 1009.8 1010.1 1014.2 1018.2 1021.1 1022.6 1016.1 MAX. QNH PRESSURE IN HPA 1036.0 1027.8 1029.8 1025.0 1022.3 1021.2 1015.0 1016.3 1022.4 1027.1 1034.1 1034.3 1036.0 DAY 2 11 18 22 9 16 28 20 23 26 30 24 MIN. QNH PRESSURE IN HPA 1006.9 998.1 1005.6 1005.5 1008.4 999.9 1005.2 1005.8 1007.2 1012.5 1009.7 1011.7 998.1 DAY 9 20 21 13 17 24 21 5 15 18 19 15 MEAN QFF PRESSURE IN HPA 1022.4 1016.5 1018.1 1016.1 1013.6 1008.3 1007.0 1006.7 1012.1 1017.1 1021.6 1023.2 1015.2 MAX. QFF PRESSURE IN HPA 1039.4 1028.8 1032.6 1025.2 1021.7 1019.4 1013.2 1012.8 1021.8 1027.8 1036.1 1035.6 1039.4 DAY 2 11 18 22 9 16 28 20 23 26 30 24 MIN. QFF PRESSURE IN HPA 1006.6 996.9 1004.7 1004.0 1005.6 996.9 1001.8 1001.8 1004.5 1011.4 1008.9 1011.4 996.9 DAY 9 20 21 13 17 24 21 5 15 18 25 15 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 967.2 962.2 964.1 963.6 962.3 958.5 957.3 957.6 961.4 964.5 967.6 968.6 962.9 MAX. QFE PRESSURE IN HPA 982.1 973.5 975.7 971.9 968.3 968.9 962.2 963.9 969.2 973.0 979.5 979.6 982.1 DAY 1 11 18 22 8 16 18 19 23 25 30 24 MIN. QFE PRESSURE IN HPA 956.5 943.8 952.9 951.5 955.3 946.1 951.8 954.0 955.1 959.6 956.1 957.9 943.8 DAY 9 20 21 13 17 24 21 5 12 10 24 15 MEAN QNH PRESSURE IN HPA 1021.3 1016.1 1018.1 1017.6 1016.2 1012.3 1011.0 1011.3 1015.3 1018.5 1021.7 1022.8 1016.8 MAX. QNH PRESSURE IN HPA 1036.9 1027.9 1030.2 1026.2 1022.5 1023.1 1016.1 1017.9 1023.4 1027.4 1034.2 1034.3 1036.9 DAY 1 11 18 22 8 16 18 19 23 25 30 24 MIN. QNH PRESSURE IN HPA 1010.1 996.9 1006.4 1004.9 1008.9 999.3 1005.2 1007.5 1008.7 1013.4 1009.7 1011.6 996.9 DAY 9 20 21 13 17 24 21 5 12 10 24 15 MEAN QFF PRESSURE IN HPA 1022.5 1016.4 1018.6 1017.0 1014.8 1009.8 1008.2 1007.8 1013.1 1017.2 1022.1 1023.2 1015.9 MAX. QFF PRESSURE IN HPA 1039.8 1029.1 1032.9 1026.4 1022.6 1021.4 1013.2 1014.1 1022.9 1028.3 1036.0 1035.7 1039.8 DAY 1 11 18 22 8 16 27 19 23 25 30 24 MIN. QFF PRESSURE IN HPA 1009.6 995.3 1005.4 1002.9 1006.4 996.3 1001.8 1003.3 1006.2 1011.3 1009.1 1011.2 995.3 DAY 9 20 21 13 17 24 21 5 12 10 24 15 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 966.9 961.9 963.6 963.3 962.1 958.4 957.1 957.2 961.2 964.0 967.3 968.3 962.6 MAX. QFE PRESSURE IN HPA 983.0 973.0 974.8 971.2 968.7 968.9 962.0 964.1 968.6 972.8 979.1 978.7 983.0 DAY 1 11 18 22 8 16 18 19 23 25 30 24 MIN. QFE PRESSURE IN HPA 956.0 945.1 953.4 950.4 954.2 944.5 950.0 952.4 954.2 958.9 955.9 958.4 944.5 DAY 27 20 20 13 17 24 21 28 12 10 24 15 MEAN QNH PRESSURE IN HPA 1021.0 1015.8 1017.5 1017.3 1016.0 1012.1 1010.8 1010.8 1015.0 1018.0 1021.4 1022.5 1016.5 MAX. QNH PRESSURE IN HPA 1037.8 1027.4 1029.3 1025.5 1022.9 1023.1 1015.9 1018.1 1022.8 1027.2 1033.8 1033.3 1037.8 DAY 1 11 18 22 8 16 18 19 23 25 30 24 MIN. QNH PRESSURE IN HPA 1009.6 998.2 1006.9 1003.8 1007.7 997.6 1003.3 1005.8 1007.7 1012.6 1009.5 1012.1 997.6 DAY 27 20 20 13 17 24 21 28 12 10 24 15 MEAN QFF PRESSURE IN HPA 1022.1 1015.9 1017.9 1016.6 1014.4 1009.5 1007.9 1007.2 1012.7 1016.5 1021.7 1022.8 1015.4 MAX. QFF PRESSURE IN HPA 1040.9 1028.5 1032.2 1025.4 1022.7 1021.2 1013.3 1014.4 1022.4 1028.1 1035.5 1035.0 1040.9 DAY 1 11 18 22 8 16 27 19 23 25 30 24 MIN. QFF PRESSURE IN HPA 1009.4 996.7 1006.0 1001.6 1004.8 994.3 999.4 1002.1 1005.0 1009.9 1008.5 1011.4 994.3 DAY 8 20 20 13 17 24 21 28 12 10 24 15 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 5.6 7.7 9.7 20.8 21.9 25.2 29.3 29.5 24.8 16.8 10.9 9.6 17.6 MINIMUN AIR TEMPERATURE (C) 2.4 4.5 5.9 15.1 16.4 20.0 23.3 24.4 20.8 13.6 8.2 7.0 13.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 0 13 28 31 15 0 0 0 88 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 7 2 2 0 0 0 0 0 0 0 0 0 11 TEMPERATURE RECORDS LOWEST(C) -2.8 -1.8 -1.4 8.8 11.8 11.6 19.8 22.4 15.4 7.6 2.0 4.2 -2.8 DAY 15 8 16 1 11 13 14 9 25 16 11 15 MAXIMUM AIR TEMPERATURE (C) 9.3 11.7 14.5 27.3 28.1 31.2 35.4 35.7 30.0 21.3 14.9 13.2 22.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 9 11 20 31 30 14 0 0 0 115 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 18.4 21.2 24.2 36.6 36.4 40.4 40.6 44.0 38.8 26.0 20.0 20.6 44.0 DAY 26 23 18 21 26 30 29 3 7 11 1 21 DIF. BETWEEN (MAX.-MIN.) (C) 6.9 7.2 8.6 12.2 11.7 11.2 12.1 11.3 9.2 7.7 6.7 6.2 9.2 MEAN DAILY TEMP. (MDT) (C) 5.8 8.1 10.2 21.2 22.2 25.6 29.4 30.0 25.4 17.5 11.5 10.1 18.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 50.0 62.0 151.0 259.4 279.7 134.9 0.4 0.0 0.0 937.4 HEATING DEG. DAYS(BASE 18 0C) 376.8 285.9 243.0 14.1 2.6 4.5 0.0 0.0 0.0 33.1 193.7 246.3 1400.0 DEWPOINT (MEAN C) -1.1 0.2 1.8 6.9 9.4 10.2 14.1 15.5 16.5 9.2 2.6 3.4 7.4 MIXING RATIO (G/KG) 3.81 4.13 4.72 6.79 7.96 8.64 11.03 12.23 12.68 7.77 4.91 5.18 7.49 VAPOUR PRESSURE (HPA) 5.86 6.37 7.25 10.36 12.13 13.12 16.67 18.45 19.18 11.92 7.59 7.99 11.41 SATURATION DEF. (HPA) 3.62 4.49 5.39 15.37 15.23 20.64 25.08 23.86 12.82 7.49 5.75 4.26 12.00 RELATIVE HUMIDITY (MEAN %) 68 63 64 45 50 45 43 48 63 63 59 70 57 RELATIVE HUMIDITY (MAX. %) 81 80 80 64 70 65 60 69 82 78 73 83 74 RELATIVE HUMIDITY (MIN. %) 55 48 47 28 32 29 29 29 45 49 45 56 41 RELATIVE HUMIDITY (MEAN% 03UTC) 71 68 68 53 61 57 54 61 77 72 66 70 65 RELATIVE HUMIDITY (MEAN% 09UTC) 64 58 58 32 37 36 34 36 52 54 51 66 48 RELATIVE HUMIDITY (MEAN% 15UTC) 70 65 66 43 39 35 32 35 55 60 57 72 52 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 45.7 38.5 22.0 5.1 1.6 19.6 0.0 10.4 54.6 29.4 8.8 46.3 282.0 DAYS WITH PRECIPITATION >=10 2 2 0 0 0 1 0 1 3 0 0 1 10 DAYS WITH PRECIPITATION >= 5 4 3 1 0 0 2 0 1 3 3 1 4 22 DAYS WITH PRECIPITATION >= 1 5 4 5 1 0 2 0 1 5 8 2 8 41 DAYS WITH PRECIPITATION 8 10 13 5 5 5 2 1 8 10 3 12 82 GREATEST DAILY PRECIPITATION 17.0 14.0 6.7 4.0 0.7 10.0 0.0 10.4 22.0 7.0 7.6 14.0 22.0 DAY 28 14 15 23 15 12 ** 8 11 23 10 1 DAY WITH THUNDER STORM 0 0 0 2 0 0 0 2 2 0 0 0 6 DAYS WITH SNOW OR SLEET 2 1 1 0 0 0 0 0 0 0 1 0 5 DAYS WITH DUST 0 0 0 2 7 5 3 2 1 0 0 0 20 WIND DIRECTION (PREVAILING) 135 135 135 135 180 180 180 180 180 180 135 135 180 PREVAILING WIND SPEED(KNOTS) 15.9 10.6 8.9 5.8 10.9 11.8 11.0 11.1 8.8 7.2 7.7 13.6 10.2 PREVAILING WIND PERCENT 19.4 23.7 10.5 18.3 14.9 12.9 19.4 18.5 12.9 12.1 13.8 19.0 12.7 CALMS PERCENT OF WIND 65.3 52.2 60.9 41.3 45.6 44.6 38.3 41.1 59.2 67.3 65.8 69.4 54.3 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 248 240 248 2928 VECTOR WIND DIRECTION (MEAN) 158 168 191 189 220 219 213 203 214 207 177 155 190 VECTOR WIND MAGNITUDE(KNOTS) 3.7 3.8 2.0 3.0 3.1 2.7 2.6 2.7 1.8 1.5 1.8 3.1 2.4 WIND STEADINESES (MEAN %) 84.1 80.9 60.6 68.2 70.5 54.0 50.0 57.4 62.1 71.4 75.0 91.2 61.5 WIND SPEED (MEAN KNOTS) 4.4 4.7 3.3 4.4 4.4 5.0 5.2 4.7 2.9 2.1 2.4 3.4 3.9 FASTEST WIND DIRECTION 150 210 200 250 220 210 280 190 160 190 220 140 150 FASTEST WIND SPEED (KNOTS) 39 23 27 27 25 29 21 27 19 19 23 29 39 DAY 20 21 12 10 4 1 8 3 24 1 13 19 DAYS WITH SKY CLEAR (0-2)/8 13 14 13 15 20 20 23 23 16 16 11 14 198 DAYS WITH P.CLOUDY (3-6)/8 12 7 6 11 6 6 6 7 11 7 14 5 98 DAYS WITH CLOUDY (7-8)/8 6 8 12 4 5 4 2 1 3 8 5 12 70 DAYS WITH VISIBILITY =< 2 KM 6 7 5 0 0 3 0 1 1 0 1 3 27 DURATION OF SUNSHINE HOURS 174.3 182.0 200.2 277.6 284.6 297.5 335.4 337.4 238.1 218.3 162.3 145.6 2853.3 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 964.7 965.4 963.8 960.2 960.2 958.8 958.0 958.1 960.6 967.3 970.4 966.4 962.8 MAX. QFE PRESSURE IN HPA 975.3 978.6 975.8 970.0 971.2 968.2 964.4 964.7 967.6 976.0 981.7 976.9 981.7 DAY-HOUR 14-18 29- 6 26-18 2- 6 4-21 13- 6 30- 6 23- 3 25- 6 15-18 17- 6 4- 6 MIN. QFE PRESSURE IN HPA 949.0 954.4 954.7 951.5 950.9 951.4 951.8 947.8 952.2 960.2 963.6 955.9 947.8 DAY-HOUR 20-15 6-21 19- 0 10- 9 26-15 5-12 8-12 3-12 1-12 1- 0 30-21 21-12 MEAN QNH PRESSURE IN HPA 1018.7 1019.4 1017.8 1014.0 1014.0 1012.6 1011.7 1011.8 1014.4 1021.4 1024.7 1020.5 1016.7 MAX. QNH PRESSURE IN HPA 1029.8 1033.2 1030.3 1024.2 1025.5 1022.4 1018.4 1018.7 1021.7 1030.5 1036.5 1031.5 1036.5 DAY-HOUR 14-18 29- 6 26-18 2- 6 4-21 13- 6 30- 6 23- 3 25- 6 15-18 17- 6 4- 6 MIN. QNH PRESSURE IN HPA 1002.3 1007.9 1008.3 1004.9 1004.3 1004.8 1005.2 1001.0 1005.6 1014.0 1017.6 1009.5 1001.0 DAY-HOUR 20-15 6-21 19- 0 10- 9 26-15 5-12 8-12 3-12 1-12 1- 0 30-21 21-12 MEAN QFF PRESSURE IN HPA 1020.2 1020.5 1018.4 1012.4 1012.2 1010.1 1008.4 1008.5 1011.9 1020.6 1025.1 1021.1 1015.8 MAX. QFF PRESSURE IN HPA 1032.8 1034.9 1031.3 1024.2 1024.5 1022.1 1014.8 1016.1 1020.4 1031.0 1037.9 1032.2 1037.9 DAY-HOUR 14-18 29- 6 27- 3 2- 6 4-21 13- 6 30- 6 8-21 25- 6 15-18 17- 6 4- 6 MIN. QFF PRESSURE IN HPA 1002.0 1008.6 1006.8 1002.2 1001.4 1001.0 1001.6 996.6 1002.3 1012.7 1016.8 1009.2 996.6 DAY-HOUR 21- 9 6-21 19- 0 10- 9 26-15 5-12 8-12 3-15 1-12 1- 0 30-21 21-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 964.7 964.8 963.2 959.8 960.1 959.0 958.1 958.2 960.4 967.0 970.2 966.4 962.7 MAX. QFE PRESSURE IN HPA 974.6 976.1 975.3 968.5 970.2 966.2 963.2 963.5 966.2 974.1 981.0 974.9 981.0 DAY 15 29 27 2 5 13 31 9 29 16 17 4 MIN. QFE PRESSURE IN HPA 949.8 954.7 954.7 954.5 952.9 951.7 952.8 950.6 954.2 960.2 964.5 957.2 949.8 DAY 21 7 19 21 27 19 11 3 1 1 13 20 MEAN QNH PRESSURE IN HPA 1018.8 1018.8 1017.1 1013.6 1013.9 1012.7 1011.8 1011.9 1014.2 1021.1 1024.5 1020.5 1016.6 MAX. QNH PRESSURE IN HPA 1029.1 1030.6 1029.8 1022.7 1024.5 1020.3 1017.1 1017.5 1020.3 1028.5 1035.8 1029.4 1035.8 DAY 15 29 27 2 5 13 31 9 29 16 17 4 MIN. QNH PRESSURE IN HPA 1003.1 1008.3 1008.3 1008.0 1006.4 1005.1 1006.3 1004.0 1007.7 1014.0 1018.5 1010.9 1003.1 DAY 21 7 19 21 27 19 11 3 1 1 13 20 MEAN QFF PRESSURE IN HPA 1020.1 1019.7 1017.6 1012.0 1012.0 1010.2 1008.5 1008.5 1011.6 1020.2 1024.8 1021.0 1015.5 MAX. QFF PRESSURE IN HPA 1031.9 1032.0 1030.7 1022.8 1023.4 1019.9 1013.3 1015.0 1018.3 1029.1 1037.0 1030.4 1037.0 DAY 15 29 1 2 5 13 31 9 29 16 17 10 MIN. QFF PRESSURE IN HPA 1002.9 1008.9 1006.8 1004.7 1003.4 1001.6 1002.9 999.7 1004.0 1012.7 1018.3 1010.3 999.7 DAY 21 7 19 21 27 19 8 3 8 1 13 20 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 965.1 965.3 963.9 960.4 960.9 959.8 958.9 959.0 961.2 967.3 970.5 966.3 963.2 MAX. QFE PRESSURE IN HPA 974.0 977.0 975.6 969.1 969.9 967.2 963.6 964.7 966.7 973.3 981.0 975.5 981.0 DAY 14 29 27 2 5 13 30 23 25 16 17 4 MIN. QFE PRESSURE IN HPA 950.0 956.7 955.4 953.5 954.3 952.6 953.8 949.4 953.5 961.6 964.5 957.2 949.4 DAY 21 7 19 10 27 8 8 3 7 10 13 20 MEAN QNH PRESSURE IN HPA 1019.1 1019.4 1017.9 1014.2 1014.7 1013.6 1012.7 1012.8 1015.0 1021.5 1024.8 1020.4 1017.2 MAX. QNH PRESSURE IN HPA 1028.4 1031.6 1030.1 1023.3 1024.1 1021.3 1017.6 1018.7 1020.8 1027.7 1035.8 1030.0 1035.8 DAY 14 29 27 2 5 13 30 23 25 16 17 4 MIN. QNH PRESSURE IN HPA 1003.3 1010.3 1009.0 1007.0 1007.8 1006.1 1007.3 1002.7 1007.0 1015.5 1018.5 1010.9 1002.7 DAY 21 7 19 10 27 8 8 3 7 10 13 20 MEAN QFF PRESSURE IN HPA 1020.8 1020.6 1018.8 1012.9 1012.9 1011.1 1009.4 1009.5 1012.6 1020.8 1025.4 1021.2 1016.3 MAX. QFF PRESSURE IN HPA 1031.3 1033.1 1031.3 1023.4 1023.4 1020.9 1013.8 1015.5 1019.6 1028.4 1037.4 1030.9 1037.4 DAY 15 29 27 2 5 13 30 23 25 16 17 4 MIN. QFF PRESSURE IN HPA 1003.4 1011.3 1008.2 1005.0 1005.0 1002.5 1003.6 998.3 1003.8 1014.4 1018.6 1010.5 998.3 DAY 21 7 19 21 27 19 8 3 7 10 13 20 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 966.0 966.1 964.8 961.0 961.1 959.7 959.1 959.5 961.8 968.2 971.2 967.1 963.8 MAX. QFE PRESSURE IN HPA 975.2 978.6 975.6 970.0 969.5 968.2 964.4 964.3 967.6 973.3 981.7 976.9 981.7 DAY 13 29 27 2 5 13 30 23 25 15 17 4 MIN. QFE PRESSURE IN HPA 950.7 957.1 956.0 951.9 955.2 952.8 953.2 949.6 953.8 962.4 965.5 957.6 949.6 DAY 21 7 19 10 26 19 8 3 7 1 13 21 MEAN QNH PRESSURE IN HPA 1020.1 1020.2 1018.8 1014.8 1014.9 1013.5 1012.8 1013.2 1015.7 1022.3 1025.5 1021.2 1017.8 MAX. QNH PRESSURE IN HPA 1029.7 1033.2 1030.1 1024.2 1023.7 1022.4 1018.4 1018.3 1021.7 1027.7 1036.5 1031.5 1036.5 DAY 13 29 27 2 5 13 30 23 25 15 17 4 MIN. QNH PRESSURE IN HPA 1004.1 1010.8 1009.6 1005.3 1008.8 1006.3 1006.7 1002.9 1007.3 1016.3 1019.5 1011.3 1002.9 DAY 21 7 19 10 26 19 8 3 7 1 13 21 MEAN QFF PRESSURE IN HPA 1021.7 1021.3 1019.5 1013.3 1013.1 1011.2 1009.6 1010.0 1013.2 1021.5 1026.0 1021.9 1016.9 MAX. QFF PRESSURE IN HPA 1032.0 1034.9 1031.0 1024.2 1023.0 1022.1 1014.8 1015.4 1020.4 1028.0 1037.9 1032.2 1037.9 DAY 13 29 1 2 5 13 30 9 25 15 17 4 MIN. QFF PRESSURE IN HPA 1003.8 1011.7 1008.2 1002.8 1006.1 1002.7 1003.0 998.6 1003.9 1014.8 1019.8 1011.1 998.6 DAY 21 7 19 10 26 19 8 3 7 12 13 21 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 964.7 965.6 964.1 960.3 960.1 958.8 958.2 958.3 960.6 967.3 970.3 966.1 962.9 MAX. QFE PRESSURE IN HPA 974.1 978.0 974.1 969.1 968.0 967.0 963.3 963.7 967.0 972.9 980.2 975.9 980.2 DAY 13 29 1 2 5 13 30 8 25 15 17 4 MIN. QFE PRESSURE IN HPA 949.2 958.3 956.6 951.5 953.7 952.3 952.3 948.6 953.5 961.9 965.3 956.5 948.6 DAY 21 7 19 10 26 5 8 3 1 10 6 21 MEAN QNH PRESSURE IN HPA 1018.8 1019.7 1018.1 1014.1 1013.9 1012.5 1011.9 1012.0 1014.5 1021.4 1024.6 1020.2 1016.8 MAX. QNH PRESSURE IN HPA 1028.5 1032.6 1028.5 1023.3 1022.2 1021.1 1017.2 1017.7 1021.1 1027.3 1034.9 1030.4 1034.9 DAY 13 29 1 2 5 13 30 8 25 15 17 4 MIN. QNH PRESSURE IN HPA 1002.5 1012.0 1010.2 1004.9 1007.2 1005.7 1005.7 1001.9 1007.0 1015.8 1019.3 1010.1 1001.9 DAY 21 7 19 10 26 5 8 3 1 10 6 21 MEAN QFF PRESSURE IN HPA 1020.1 1020.6 1018.6 1012.4 1012.0 1010.1 1008.7 1008.7 1011.9 1020.5 1024.9 1020.7 1015.8 MAX. QFF PRESSURE IN HPA 1030.7 1034.1 1030.2 1023.1 1021.2 1020.7 1013.7 1015.1 1019.5 1027.4 1036.0 1031.0 1036.0 DAY 14 29 1 2 5 13 30 8 25 15 17 4 MIN. QFF PRESSURE IN HPA 1002.0 1012.1 1008.7 1002.2 1004.3 1002.3 1002.1 997.5 1003.5 1014.0 1019.1 1009.8 997.5 DAY 21 20 19 10 26 5 8 3 7 10 6 21 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 964.0 964.9 963.4 959.6 959.2 957.7 956.9 957.0 959.7 966.5 969.8 965.6 962.0 MAX. QFE PRESSURE IN HPA 974.1 977.4 972.1 968.2 966.0 966.3 962.2 963.2 966.6 973.3 978.9 974.8 978.9 DAY 14 29 1 2 5 13 30 8 25 15 16 4 MIN. QFE PRESSURE IN HPA 949.2 956.5 956.4 952.9 951.5 951.4 951.8 947.8 952.2 960.6 964.6 955.9 947.8 DAY 21 6 24 10 26 5 8 3 1 10 6 21 MEAN QNH PRESSURE IN HPA 1018.0 1019.0 1017.3 1013.4 1012.9 1011.4 1010.6 1010.6 1013.5 1020.5 1024.0 1019.7 1015.9 MAX. QNH PRESSURE IN HPA 1028.5 1032.0 1026.4 1022.4 1020.1 1020.4 1016.1 1017.1 1020.7 1027.7 1033.6 1029.3 1033.6 DAY 14 29 1 2 5 13 30 8 25 15 16 4 MIN. QNH PRESSURE IN HPA 1002.5 1010.1 1010.0 1006.4 1004.9 1004.8 1005.2 1001.0 1005.6 1014.4 1018.6 1009.5 1001.0 DAY 21 6 24 10 26 5 8 3 1 10 6 21 MEAN QFF PRESSURE IN HPA 1019.3 1019.9 1017.8 1011.8 1011.1 1008.9 1007.3 1007.3 1010.9 1019.6 1024.4 1020.2 1014.9 MAX. QFF PRESSURE IN HPA 1031.1 1033.6 1028.5 1022.1 1018.9 1020.0 1012.4 1014.7 1019.1 1027.9 1034.7 1030.0 1034.7 DAY 14 29 15 2 5 13 30 8 25 15 16 4 MIN. QFF PRESSURE IN HPA 1002.1 1010.7 1010.3 1004.2 1001.9 1001.0 1001.6 996.8 1002.3 1012.8 1018.5 1009.2 996.8 DAY 21 20 18 10 26 5 8 3 1 10 6 21 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 964.4 965.5 963.7 959.8 959.4 957.7 956.8 956.9 959.8 967.1 970.5 966.5 962.3 MAX. QFE PRESSURE IN HPA 974.5 977.3 973.8 968.5 966.5 965.9 962.2 963.1 966.9 974.6 980.5 975.1 980.5 DAY 14 29 15 1 4 13 30 8 25 15 16 4 MIN. QFE PRESSURE IN HPA 949.0 956.0 957.1 954.8 950.9 952.2 951.9 947.8 952.8 961.2 965.2 957.3 947.8 DAY 20 6 24 30 26 5 7 3 7 10 6 21 MEAN QNH PRESSURE IN HPA 1018.4 1019.5 1017.7 1013.6 1013.2 1011.4 1010.5 1010.6 1013.6 1021.2 1024.8 1020.6 1016.2 MAX. QNH PRESSURE IN HPA 1029.0 1031.9 1028.2 1022.7 1020.6 1020.0 1016.1 1017.0 1021.0 1029.1 1035.2 1029.6 1035.2 DAY 14 29 15 1 4 13 30 8 25 15 16 4 MIN. QNH PRESSURE IN HPA 1002.3 1009.6 1010.8 1008.4 1004.3 1005.6 1005.3 1001.0 1006.3 1015.0 1019.2 1011.0 1001.0 DAY 20 6 24 30 26 5 7 3 7 10 6 21 MEAN QFF PRESSURE IN HPA 1020.1 1020.7 1018.4 1012.2 1011.4 1008.9 1007.2 1007.3 1011.2 1020.5 1025.4 1021.3 1015.4 MAX. QFF PRESSURE IN HPA 1031.8 1033.6 1030.9 1022.7 1019.4 1019.5 1012.4 1014.6 1019.9 1029.6 1036.7 1030.7 1036.7 DAY 14 29 15 1 4 13 30 8 25 15 16 9 MIN. QFF PRESSURE IN HPA 1002.5 1010.7 1010.4 1006.2 1001.4 1002.0 1002.0 996.6 1003.2 1013.8 1019.2 1010.4 996.6 DAY 20 6 18 30 26 5 7 3 7 10 6 21 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 964.7 965.6 964.0 960.8 960.6 959.0 958.1 958.0 960.7 967.6 970.7 966.9 963.1 MAX. QFE PRESSURE IN HPA 975.3 977.1 975.8 969.8 969.6 966.2 964.1 964.0 967.3 976.0 981.3 975.6 981.3 DAY 14 29 26 1 4 13 30 8 25 15 16 9 MIN. QFE PRESSURE IN HPA 949.3 955.1 956.2 955.9 952.0 953.5 952.7 949.6 954.1 961.9 965.8 959.8 949.3 DAY 20 6 22 29 26 5 7 3 7 9 21 19 MEAN QNH PRESSURE IN HPA 1018.7 1019.7 1018.0 1014.6 1014.5 1012.8 1011.8 1011.7 1014.5 1021.7 1025.0 1021.0 1017.0 MAX. QNH PRESSURE IN HPA 1029.8 1031.7 1030.3 1024.0 1023.8 1020.3 1018.1 1018.0 1021.4 1030.5 1036.1 1030.1 1036.1 DAY 14 29 26 1 4 13 30 8 25 15 16 9 MIN. QNH PRESSURE IN HPA 1002.6 1008.7 1009.8 1009.5 1005.4 1007.0 1006.2 1002.9 1007.6 1015.8 1019.9 1013.6 1002.6 DAY 20 6 22 29 26 5 7 3 7 9 21 19 MEAN QFF PRESSURE IN HPA 1020.2 1020.8 1018.6 1013.0 1012.7 1010.4 1008.7 1008.5 1012.0 1021.0 1025.4 1021.7 1016.1 MAX. QFF PRESSURE IN HPA 1032.8 1033.4 1031.1 1024.2 1022.6 1019.7 1014.5 1015.8 1020.2 1031.0 1037.6 1031.0 1037.6 DAY 14 29 26 1 4 13 30 8 25 15 16 9 MIN. QFF PRESSURE IN HPA 1002.5 1009.5 1009.0 1006.8 1002.8 1003.4 1002.9 998.5 1004.0 1014.4 1020.0 1013.3 998.5 DAY 20 6 22 29 26 5 7 3 7 10 30 19 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 964.4 965.4 963.4 960.0 960.3 959.0 957.9 957.9 960.5 967.5 970.3 966.5 962.7 MAX. QFE PRESSURE IN HPA 974.9 976.3 975.7 969.0 971.2 966.7 963.5 964.4 966.5 975.4 981.3 975.6 981.3 DAY 14 28 26 1 4 12 30 8 25 15 16 9 MIN. QFE PRESSURE IN HPA 950.3 954.4 955.9 953.9 951.3 952.8 951.8 951.4 953.8 961.1 963.6 957.9 950.3 DAY 20 6 18 29 26 5 10 2 7 9 30 19 MEAN QNH PRESSURE IN HPA 1018.4 1019.4 1017.4 1013.8 1014.1 1012.7 1011.6 1011.6 1014.3 1021.6 1024.6 1020.6 1016.7 MAX. QNH PRESSURE IN HPA 1029.4 1030.8 1030.2 1023.2 1025.5 1020.8 1017.5 1018.4 1020.6 1029.9 1036.1 1030.1 1036.1 DAY 14 28 26 1 4 12 30 8 25 15 16 9 MIN. QNH PRESSURE IN HPA 1003.7 1007.9 1009.5 1007.4 1004.7 1006.3 1005.2 1004.8 1007.3 1014.9 1017.6 1011.6 1003.7 DAY 20 6 18 29 26 5 10 2 7 9 30 19 MEAN QFF PRESSURE IN HPA 1019.7 1020.3 1017.9 1012.0 1012.2 1010.3 1008.3 1008.2 1011.7 1020.7 1024.9 1021.2 1015.6 MAX. QFF PRESSURE IN HPA 1032.1 1032.3 1030.9 1023.2 1024.5 1020.4 1013.8 1016.1 1019.1 1030.4 1037.5 1031.1 1037.5 DAY 14 28 26 1 4 12 30 8 25 15 16 9 MIN. QFF PRESSURE IN HPA 1003.2 1008.6 1008.3 1004.7 1001.9 1002.8 1001.9 1000.4 1003.5 1013.3 1016.8 1010.9 1000.4 DAY 20 6 18 29 26 5 7 3 7 9 30 19 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 5.8 9.7 12.7 17.5 22.9 25.6 27.2 28.3 25.1 17.5 14.1 11.3 18.2 MINIMUN AIR TEMPERATURE (C) 3.1 5.8 8.5 12.8 17.3 19.9 22.6 24.1 20.8 14.0 10.9 7.8 14.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 4 10 23 28 19 1 0 0 85 DAYS WITH MINIMUM TEMP. <=-4 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH FREEZING MIN.<= 0 9 0 2 0 0 0 0 0 0 0 0 0 11 TEMPERATURE RECORDS LOWEST(C) -4.0 0.8 -0.6 7.0 14.0 16.2 19.0 19.0 15.0 5.0 1.8 0.6 -4.0 DAY 24 6 10 2 3 1 18 28 20 26 20 22 MAXIMUM AIR TEMPERATURE (C) 9.9 15.0 18.9 23.8 29.8 32.6 33.0 33.9 30.8 22.8 18.8 16.2 23.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 5 15 20 28 28 22 2 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) 19.2 24.6 29.0 32.6 42.6 41.2 39.0 39.0 37.0 35.4 27.4 24.0 42.6 DAY 10 28 24 6 15 23 26 2 26 6 6 30 DIF. BETWEEN (MAX.-MIN.) (C) 6.8 9.2 10.4 11.0 12.5 12.7 10.4 9.8 10.0 8.8 7.9 8.4 9.8 MEAN DAILY TEMP. (MDT) (C) 6.5 10.4 13.7 18.3 23.6 26.2 27.8 29.0 25.8 18.4 14.9 12.0 18.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 3.9 18.1 92.6 157.3 211.7 247.2 148.6 20.5 1.0 0.0 901.0 HEATING DEG. DAYS(BASE 18 0C) 356.0 215.6 152.2 40.3 1.3 0.0 0.0 0.0 0.0 45.4 107.4 190.6 1108.8 DEWPOINT (MEAN C) -0.4 -1.4 3.5 8.3 11.0 14.1 16.4 17.6 13.6 9.8 5.8 4.2 8.5 MIXING RATIO (G/KG) 4.03 3.71 5.30 7.33 8.83 10.94 12.56 13.79 10.68 8.15 6.23 5.49 8.09 VAPOUR PRESSURE (HPA) 6.24 5.73 8.13 11.20 13.42 16.54 18.94 20.77 16.20 12.47 9.56 8.45 12.30 SATURATION DEF. (HPA) 3.45 7.01 7.80 9.80 16.04 17.63 18.23 18.42 16.57 8.45 7.19 5.51 11.34 RELATIVE HUMIDITY (MEAN %) 68 53 60 60 53 54 55 56 52 64 62 65 59 RELATIVE HUMIDITY (MAX. %) 84 70 79 79 74 75 73 74 70 80 79 80 76 RELATIVE HUMIDITY (MIN. %) 54 39 44 44 34 39 36 40 36 51 47 51 43 RELATIVE HUMIDITY (MEAN% 03UTC) 69 59 64 67 64 66 68 69 62 72 64 70 66 RELATIVE HUMIDITY (MEAN% 09UTC) 61 45 54 51 40 43 45 47 40 57 56 58 50 RELATIVE HUMIDITY (MEAN% 15UTC) 71 51 61 58 44 44 40 45 45 61 65 66 54 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 14.5 25.2 67.5 14.1 10.8 1.0 16.5 10.1 0.9 30.0 33.8 19.6 244.0 DAYS WITH PRECIPITATION >=10 0 0 2 0 0 0 0 0 0 2 2 1 7 DAYS WITH PRECIPITATION >= 5 1 2 5 1 1 0 2 1 0 2 3 2 20 DAYS WITH PRECIPITATION >= 1 4 6 9 6 3 1 3 2 0 5 4 4 47 DAYS WITH PRECIPITATION 9 6 12 10 7 3 5 6 3 10 8 6 85 GREATEST DAILY PRECIPITATION 5.0 6.2 21.0 5.3 6.0 1.0 7.0 6.0 0.4 13.7 16.2 11.2 21.0 DAY 15 15 26 18 22 20 17 11 5 20 28 21 DAY WITH THUNDER STORM 0 0 1 1 3 0 1 2 2 1 0 0 11 DAYS WITH SNOW OR SLEET 5 0 2 0 0 0 0 0 0 0 0 0 7 DAYS WITH DUST 1 1 2 3 8 6 2 4 5 2 2 0 36 WIND DIRECTION (PREVAILING) 135 135 135 135 180 225 180 180 180 270 135 135 180 PREVAILING WIND SPEED(KNOTS) 7.7 11.3 8.6 5.9 11.6 11.9 10.0 8.2 10.4 6.8 15.5 16.1 10.2 PREVAILING WIND PERCENT 11.7 19.6 12.9 12.5 13.3 15.0 16.1 16.5 12.9 8.9 17.1 27.8 11.7 CALMS PERCENT OF WIND 73.8 50.9 58.5 57.1 47.6 47.9 51.6 45.2 59.2 71.4 63.3 52.8 56.6 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 169 169 192 190 218 215 222 217 220 206 171 157 192 VECTOR WIND MAGNITUDE(KNOTS) 1.5 3.3 2.4 2.5 3.0 3.7 2.6 2.9 2.3 1.2 3.9 5.4 2.6 WIND STEADINESES (MEAN %) 78.9 73.3 68.6 75.8 62.5 68.5 63.4 65.9 63.9 50.0 81.3 84.4 63.4 WIND SPEED (MEAN KNOTS) 1.9 4.5 3.5 3.3 4.8 5.4 4.1 4.4 3.6 2.4 4.8 6.4 4.1 FASTEST WIND DIRECTION 150 140 180 210 240 190 200 190 240 140 150 190 240 FASTEST WIND SPEED (KNOTS) 19 29 39 29 45 25 19 23 23 25 29 29 45 DAY 3 14 3 26 25 3 11 3 1 6 21 8 DAYS WITH SKY CLEAR (0-2)/8 10 13 13 7 16 16 16 21 23 19 10 10 174 DAYS WITH P.CLOUDY (3-6)/8 13 11 7 14 9 12 13 8 7 6 10 14 124 DAYS WITH CLOUDY (7-8)/8 8 4 11 9 6 2 2 2 0 6 10 7 67 DAYS WITH VISIBILITY =< 2 KM 4 0 6 3 2 0 0 1 0 4 4 5 29 DURATION OF SUNSHINE HOURS 150.3 189.4 191.8 213.0 264.8 275.0 308.1 298.9 282.7 229.5 159.0 146.0 2708.5 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 970.0 964.3 963.1 961.9 959.0 958.0 957.9 958.8 961.2 965.6 964.9 966.2 962.6 MAX. QFE PRESSURE IN HPA 978.1 980.7 977.4 977.2 968.7 965.9 962.7 966.4 970.4 977.0 974.1 975.8 980.7 DAY-HOUR 26-15 9- 6 11- 6 1- 6 18-18 1-21 1- 6 5- 6 19-21 27- 6 2- 6 21-15 MIN. QFE PRESSURE IN HPA 961.0 941.7 949.4 949.0 947.8 946.2 949.9 950.5 953.6 954.1 951.8 954.1 941.7 DAY-HOUR 1- 0 21-12 25- 0 12-15 8-12 17-12 9-15 30-15 4-18 6-12 18- 0 20- 9 MEAN QNH PRESSURE IN HPA 1024.3 1018.3 1017.0 1015.8 1012.7 1011.7 1011.6 1012.5 1015.0 1019.7 1018.9 1020.2 1016.5 MAX. QNH PRESSURE IN HPA 1032.7 1035.4 1032.0 1031.8 1022.9 1020.0 1016.6 1020.5 1024.7 1031.6 1028.5 1030.3 1035.4 DAY-HOUR 26-15 9- 6 11- 6 1- 6 18-18 1-21 1- 6 5- 6 19-21 27- 6 2- 6 21-15 MIN. QNH PRESSURE IN HPA 1014.8 994.7 1002.7 1002.3 1001.0 999.4 1003.2 1003.9 1007.1 1007.6 1005.2 1007.6 994.7 DAY-HOUR 1- 0 21-12 25- 0 12-15 8-12 17-12 9-15 30-15 4-18 6-12 18- 0 20- 9 MEAN QFF PRESSURE IN HPA 1025.8 1018.9 1017.0 1014.8 1010.7 1009.1 1008.7 1009.3 1012.5 1018.7 1018.6 1020.5 1015.4 MAX. QFF PRESSURE IN HPA 1035.6 1037.2 1034.7 1032.8 1022.0 1018.5 1014.5 1017.3 1023.5 1032.6 1030.0 1032.5 1037.2 DAY-HOUR 26-15 9- 6 11- 6 1- 6 18-18 11- 3 1- 6 5- 6 19-21 27- 6 19-21 21-18 MIN. QFF PRESSURE IN HPA 1014.1 993.2 1000.5 1000.2 998.2 995.2 999.8 1000.8 1003.9 1004.4 1004.5 1005.9 993.2 DAY-HOUR 1- 0 21-12 25- 0 12-15 9-12 17-15 9-15 30-21 8-12 6-12 18- 0 20- 9 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 969.7 963.9 962.8 961.6 959.1 958.1 958.2 958.6 960.8 965.4 964.4 966.1 962.4 MAX. QFE PRESSURE IN HPA 977.0 978.0 975.7 974.0 967.6 965.2 961.4 964.9 969.3 975.9 972.6 975.3 978.0 DAY 27 9 11 1 19 2 1 5 20 27 20 10 MIN. QFE PRESSURE IN HPA 961.0 947.1 949.4 953.5 948.9 947.1 952.3 950.8 954.6 955.9 951.8 955.1 947.1 DAY 1 21 25 26 9 6 19 31 8 25 18 20 MEAN QNH PRESSURE IN HPA 1023.9 1017.9 1016.7 1015.5 1012.9 1011.8 1011.9 1012.3 1014.7 1019.4 1018.4 1020.1 1016.3 MAX. QNH PRESSURE IN HPA 1031.6 1032.6 1030.2 1028.4 1021.7 1019.2 1015.3 1018.9 1023.5 1030.4 1027.0 1029.8 1032.6 DAY 27 9 11 1 19 2 1 5 20 27 20 10 MIN. QNH PRESSURE IN HPA 1014.8 1000.3 1002.7 1007.0 1002.2 1000.3 1005.7 1004.2 1008.2 1009.5 1005.2 1008.7 1000.3 DAY 1 21 25 26 9 6 19 31 8 25 18 20 MEAN QFF PRESSURE IN HPA 1025.2 1018.5 1016.6 1014.5 1010.8 1009.1 1008.9 1009.1 1012.1 1018.3 1018.0 1020.4 1015.1 MAX. QFF PRESSURE IN HPA 1034.1 1034.4 1033.1 1029.4 1020.9 1017.7 1012.9 1016.2 1022.3 1031.8 1029.1 1030.4 1034.4 DAY 27 10 11 1 19 11 1 12 20 27 20 10 MIN. QFF PRESSURE IN HPA 1014.1 999.1 1000.5 1004.0 999.4 997.4 1003.4 1001.0 1005.1 1007.3 1004.5 1007.4 997.4 DAY 1 21 25 26 9 18 10 31 8 25 18 20 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 969.9 964.5 963.1 962.1 959.8 958.9 958.9 959.5 961.6 965.7 964.7 966.3 962.9 MAX. QFE PRESSURE IN HPA 976.8 979.5 976.4 975.2 968.2 965.9 962.6 965.9 969.3 975.9 973.3 974.8 979.5 DAY 26 9 11 1 18 11 1 5 20 27 2 10 MIN. QFE PRESSURE IN HPA 962.0 946.0 950.3 954.0 948.9 947.9 953.5 951.8 954.5 956.9 951.8 954.5 946.0 DAY 11 21 24 12 9 17 9 31 8 6 18 20 MEAN QNH PRESSURE IN HPA 1024.1 1018.5 1017.0 1016.0 1013.5 1012.6 1012.6 1013.2 1015.5 1019.8 1018.7 1020.3 1016.8 MAX. QNH PRESSURE IN HPA 1031.4 1034.2 1030.9 1029.7 1022.4 1020.0 1016.5 1020.0 1023.5 1030.4 1027.7 1029.3 1034.2 DAY 26 9 11 1 18 11 1 5 20 27 2 10 MIN. QNH PRESSURE IN HPA 1015.9 999.2 1003.7 1007.5 1002.2 1001.1 1007.0 1005.2 1008.0 1010.6 1005.2 1008.0 999.2 DAY 11 21 24 12 9 17 9 31 8 6 18 20 MEAN QFF PRESSURE IN HPA 1025.7 1019.4 1017.1 1015.2 1011.6 1010.0 1009.7 1010.1 1013.2 1018.9 1018.6 1020.8 1015.9 MAX. QFF PRESSURE IN HPA 1034.2 1036.0 1033.8 1030.7 1021.5 1018.5 1014.3 1016.7 1022.6 1031.7 1028.2 1030.1 1036.0 DAY 26 9 11 1 19 11 1 12 20 27 2 10 MIN. QFF PRESSURE IN HPA 1015.5 998.0 1002.0 1005.1 999.6 997.1 1003.7 1002.1 1005.1 1008.2 1005.0 1006.8 997.1 DAY 11 21 24 26 9 17 9 31 8 6 18 20 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 970.8 965.4 963.9 962.6 959.9 959.0 959.0 960.0 962.4 966.6 965.5 967.1 963.5 MAX. QFE PRESSURE IN HPA 977.8 980.7 977.4 977.2 968.4 965.7 962.7 966.4 969.7 977.0 974.1 975.4 980.7 DAY 26 9 11 1 18 11 1 5 20 27 2 10 MIN. QFE PRESSURE IN HPA 963.7 945.5 950.9 952.8 949.5 947.7 954.4 952.6 954.7 956.4 953.9 954.7 945.5 DAY 1 21 24 12 9 6 10 31 8 6 18 20 MEAN QNH PRESSURE IN HPA 1025.1 1019.5 1017.9 1016.5 1013.7 1012.8 1012.8 1013.8 1016.3 1020.7 1019.5 1021.2 1017.5 MAX. QNH PRESSURE IN HPA 1032.4 1035.4 1032.0 1031.8 1022.6 1019.8 1016.6 1020.5 1023.9 1031.6 1028.5 1029.9 1035.4 DAY 26 9 11 1 18 11 1 5 20 27 2 10 MIN. QNH PRESSURE IN HPA 1017.7 998.6 1004.3 1006.3 1002.8 1000.9 1007.9 1006.1 1008.3 1010.0 1007.4 1008.3 998.6 DAY 1 21 24 12 9 6 10 31 8 6 18 20 MEAN QFF PRESSURE IN HPA 1026.6 1020.3 1017.9 1015.6 1011.7 1010.2 1009.9 1010.7 1013.9 1019.7 1019.3 1021.6 1016.5 MAX. QFF PRESSURE IN HPA 1035.1 1037.2 1034.7 1032.8 1021.5 1018.3 1014.5 1017.3 1022.9 1032.6 1028.7 1030.6 1037.2 DAY 26 9 11 1 18 11 1 5 20 27 2 3 MIN. QFF PRESSURE IN HPA 1017.3 997.5 1002.4 1004.4 1000.2 996.9 1004.9 1002.9 1004.9 1007.3 1007.1 1006.8 996.9 DAY 1 21 24 12 9 17 10 31 8 6 18 20 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 970.0 964.5 963.2 962.0 958.9 958.2 958.0 959.0 961.4 965.6 964.6 965.8 962.6 MAX. QFE PRESSURE IN HPA 977.9 980.5 976.9 976.8 967.8 964.7 961.8 965.1 968.7 975.7 973.2 974.6 980.5 DAY 26 9 1 1 18 11 1 5 19 10 2 3 MIN. QFE PRESSURE IN HPA 963.5 943.5 950.5 952.6 948.9 947.3 953.3 952.0 954.5 955.0 953.4 954.1 943.5 DAY 1 21 24 12 9 17 9 31 8 6 17 20 MEAN QNH PRESSURE IN HPA 1024.3 1018.5 1017.2 1015.9 1012.6 1011.9 1011.8 1012.8 1015.2 1019.6 1018.6 1019.9 1016.5 MAX. QNH PRESSURE IN HPA 1032.5 1035.2 1031.5 1031.4 1022.0 1018.7 1015.7 1019.1 1022.9 1030.2 1027.6 1029.1 1035.2 DAY 26 9 1 1 18 11 1 5 19 10 2 3 MIN. QNH PRESSURE IN HPA 1017.5 996.5 1003.9 1006.1 1002.2 1000.5 1006.8 1005.4 1008.0 1008.6 1006.9 1007.6 996.5 DAY 1 21 24 12 9 17 9 31 8 6 17 20 MEAN QFF PRESSURE IN HPA 1025.7 1019.0 1017.1 1014.9 1010.5 1009.3 1008.8 1009.6 1012.7 1018.5 1018.2 1020.1 1015.4 MAX. QFF PRESSURE IN HPA 1035.2 1037.1 1034.0 1032.3 1020.9 1017.1 1013.3 1015.9 1021.4 1031.2 1027.7 1030.6 1037.1 DAY 26 9 11 1 18 11 1 5 20 27 2 3 MIN. QFF PRESSURE IN HPA 1017.4 995.1 1001.9 1004.3 999.3 996.6 1003.7 1002.3 1004.7 1005.4 1006.4 1005.9 995.1 DAY 1 21 24 12 9 17 9 31 8 6 17 20 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 969.5 963.5 962.4 961.2 957.8 957.0 956.8 957.7 960.3 964.9 964.4 965.5 961.7 MAX. QFE PRESSURE IN HPA 977.5 980.0 977.0 976.4 967.7 964.2 959.8 964.0 969.0 974.7 971.7 974.6 980.0 DAY 26 9 1 1 18 1 1 11 19 27 2 9 MIN. QFE PRESSURE IN HPA 963.1 941.7 949.7 951.8 947.8 946.2 950.5 950.9 953.7 954.1 952.2 956.1 941.7 DAY 10 21 24 12 8 17 9 30 8 6 17 20 MEAN QNH PRESSURE IN HPA 1023.7 1017.4 1016.3 1015.1 1011.5 1010.7 1010.5 1011.4 1014.1 1018.9 1018.4 1019.5 1015.6 MAX. QNH PRESSURE IN HPA 1032.1 1034.7 1031.6 1030.9 1021.8 1018.2 1013.6 1018.0 1023.2 1029.2 1026.0 1029.1 1034.7 DAY 26 9 1 1 18 1 1 11 19 27 2 9 MIN. QNH PRESSURE IN HPA 1017.0 994.7 1003.0 1005.2 1001.0 999.4 1003.9 1004.3 1007.2 1007.6 1005.6 1009.7 994.7 DAY 10 21 24 12 8 17 9 30 8 6 17 20 MEAN QFF PRESSURE IN HPA 1025.1 1017.9 1016.2 1014.0 1009.4 1008.1 1007.5 1008.2 1011.5 1017.8 1018.0 1019.7 1014.4 MAX. QFF PRESSURE IN HPA 1034.8 1036.2 1032.4 1031.8 1020.9 1016.5 1010.9 1015.7 1021.9 1029.7 1026.1 1030.3 1036.2 DAY 26 9 11 1 18 1 1 11 19 27 2 3 MIN. QFF PRESSURE IN HPA 1016.8 993.2 1000.9 1003.3 998.2 995.5 1000.5 1001.1 1003.9 1004.4 1005.0 1008.5 993.2 DAY 10 21 24 12 9 17 9 30 8 6 17 20 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 970.2 963.9 962.8 961.4 958.0 956.9 956.6 957.8 960.5 965.5 965.3 966.2 962.1 MAX. QFE PRESSURE IN HPA 978.1 980.0 976.9 977.0 968.2 964.6 959.5 963.8 969.6 975.4 971.7 975.8 980.0 DAY 26 9 1 1 18 1 1 5 19 27 19 21 MIN. QFE PRESSURE IN HPA 963.0 943.3 949.9 949.0 949.2 946.2 949.9 950.5 953.9 954.7 954.1 957.7 943.3 DAY 10 21 24 12 9 17 9 30 4 6 17 5 MEAN QNH PRESSURE IN HPA 1024.4 1017.9 1016.7 1015.3 1011.7 1010.6 1010.2 1011.5 1014.3 1019.5 1019.3 1020.3 1016.0 MAX. QNH PRESSURE IN HPA 1032.7 1034.7 1031.5 1031.6 1022.4 1018.6 1013.3 1017.8 1023.8 1029.9 1026.0 1030.3 1034.7 DAY 26 9 1 1 18 1 1 5 19 27 19 21 MIN. QNH PRESSURE IN HPA 1016.9 996.3 1003.2 1002.3 1002.5 999.4 1003.2 1003.9 1007.4 1008.3 1007.6 1011.4 996.3 DAY 10 21 24 12 9 17 9 30 4 6 17 5 MEAN QFF PRESSURE IN HPA 1026.1 1018.7 1016.8 1014.4 1009.7 1008.0 1007.3 1008.4 1012.0 1018.7 1019.2 1020.8 1015.0 MAX. QFF PRESSURE IN HPA 1035.6 1036.7 1032.4 1032.5 1021.6 1017.1 1010.6 1015.6 1023.0 1030.9 1027.8 1032.3 1036.7 DAY 26 9 11 1 18 1 1 11 19 27 19 21 MIN. QFF PRESSURE IN HPA 1016.9 994.9 1001.4 1000.2 999.6 995.2 999.8 1000.9 1004.3 1005.7 1007.3 1011.5 994.9 DAY 10 21 24 12 9 17 9 30 8 6 17 26 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 970.4 964.5 963.6 962.3 959.4 958.0 957.9 958.9 961.2 965.9 965.4 966.4 962.8 MAX. QFE PRESSURE IN HPA 978.1 979.7 977.2 977.0 968.7 965.8 960.5 964.7 970.0 975.1 973.7 975.7 979.7 DAY 26 9 1 1 18 1 15 5 19 27 19 21 MIN. QFE PRESSURE IN HPA 962.3 950.8 950.1 950.1 950.8 946.8 951.8 951.1 953.6 954.9 953.7 958.0 946.8 DAY 10 20 24 12 8 17 9 30 4 6 17 19 MEAN QNH PRESSURE IN HPA 1024.7 1018.5 1017.5 1016.2 1013.1 1011.8 1011.6 1012.6 1015.1 1020.0 1019.5 1020.5 1016.7 MAX. QNH PRESSURE IN HPA 1032.7 1034.4 1031.8 1031.6 1022.9 1019.9 1014.3 1018.7 1024.2 1029.6 1028.1 1030.2 1034.4 DAY 26 9 1 1 18 1 15 5 19 27 19 21 MIN. QNH PRESSURE IN HPA 1016.2 1004.2 1003.4 1003.4 1004.2 1000.0 1005.2 1004.5 1007.1 1008.5 1007.2 1011.7 1000.0 DAY 10 20 24 12 8 17 9 30 4 6 17 19 MEAN QFF PRESSURE IN HPA 1026.3 1019.2 1017.6 1015.2 1011.1 1009.2 1008.7 1009.5 1012.6 1019.1 1019.2 1020.8 1015.7 MAX. QFF PRESSURE IN HPA 1035.3 1036.3 1033.0 1032.5 1022.0 1018.3 1011.6 1016.3 1023.4 1030.4 1030.0 1032.5 1036.3 DAY 26 9 1 1 18 1 15 11 19 26 19 21 MIN. QFF PRESSURE IN HPA 1016.1 1003.7 1001.5 1001.0 1001.5 995.8 1002.3 1001.3 1004.0 1005.6 1006.8 1010.8 995.8 DAY 10 20 24 12 8 17 9 30 4 6 17 19 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 970.1 964.2 963.3 961.8 959.1 957.9 958.0 958.6 961.0 965.7 964.9 966.1 962.6 MAX. QFE PRESSURE IN HPA 977.5 978.4 975.7 975.8 968.2 965.9 960.2 964.6 970.4 975.4 973.7 975.3 978.4 DAY 26 9 10 1 18 1 23 11 19 26 19 9 MIN. QFE PRESSURE IN HPA 961.7 948.6 950.1 954.5 948.9 946.4 952.2 950.6 953.6 956.2 952.5 956.3 946.4 DAY 10 20 24 25 8 17 9 30 4 6 17 19 MEAN QNH PRESSURE IN HPA 1024.3 1018.2 1017.2 1015.7 1012.9 1011.6 1011.7 1012.4 1014.9 1019.7 1019.0 1020.2 1016.5 MAX. QNH PRESSURE IN HPA 1032.1 1033.0 1030.2 1030.3 1022.4 1020.0 1014.0 1018.6 1024.7 1029.9 1028.1 1029.8 1033.0 DAY 26 9 10 1 18 1 23 11 19 26 19 9 MIN. QNH PRESSURE IN HPA 1015.6 1001.9 1003.4 1008.0 1002.2 999.6 1005.6 1004.0 1007.1 1009.8 1006.0 1009.9 999.6 DAY 10 20 24 25 8 17 9 30 4 6 17 19 MEAN QFF PRESSURE IN HPA 1025.7 1018.7 1017.1 1014.6 1010.7 1009.0 1008.7 1009.2 1012.3 1018.6 1018.6 1020.3 1015.3 MAX. QFF PRESSURE IN HPA 1034.7 1034.8 1032.9 1031.1 1021.4 1018.5 1011.5 1016.3 1023.5 1031.4 1030.0 1031.0 1034.8 DAY 26 9 10 1 18 1 3 11 19 26 19 21 MIN. QFF PRESSURE IN HPA 1015.2 1000.9 1001.4 1005.0 999.3 995.5 1002.5 1000.8 1004.1 1006.8 1005.3 1008.7 995.5 DAY 10 20 24 25 8 17 9 30 4 6 17 19 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 7.5 8.8 12.8 13.8 18.6 25.2 28.9 27.8 26.1 22.1 13.7 4.8 17.5 MINIMUN AIR TEMPERATURE (C) 4.3 5.1 8.8 10.5 14.2 19.9 23.5 23.5 21.4 17.9 10.9 1.6 13.5 DAYS WITH MINIMUM TEMP. >=21 0 0 1 0 2 12 25 26 18 5 0 0 89 DAYS WITH MINIMUM TEMP. <=-4 1 0 0 0 0 0 0 0 0 0 0 1 2 DAYS WITH FREEZING MIN.<= 0 3 4 1 0 0 0 0 0 0 0 0 10 18 TEMPERATURE RECORDS LOWEST(C) -4.2 -2.4 0.0 6.2 9.6 14.4 17.8 18.0 19.0 10.2 4.0 -4.2 -4.2 DAY 13 17 10 23 2 8 2 31 30 23 28 3 MAXIMUM AIR TEMPERATURE (C) 11.7 13.8 17.7 18.2 24.1 31.4 35.5 33.6 31.9 27.9 18.0 8.8 22.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 0 6 16 30 25 25 12 0 0 116 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.0 22.6 32.0 28.6 37.2 40.0 42.0 41.6 36.0 37.4 28.0 18.4 42.0 DAY 2 26 27 7 24 12 15 4 6 3 12 21 DIF. BETWEEN (MAX.-MIN.) (C) 7.4 8.7 8.9 7.7 9.9 11.5 12.0 10.1 10.5 10.0 7.1 7.2 9.2 MEAN DAILY TEMP. (MDT) (C) 8.0 9.5 13.3 14.4 19.2 25.7 29.5 28.5 26.6 22.9 14.5 5.2 18.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 8.8 0.7 36.4 140.5 263.4 233.9 169.5 83.2 2.6 0.0 939.0 HEATING DEG. DAYS(BASE 18 0C) 308.9 239.9 167.2 117.7 34.7 0.0 0.0 0.0 0.0 8.4 117.6 396.5 1390.9 DEWPOINT (MEAN C) 2.5 1.2 3.3 8.8 10.8 13.0 15.4 18.5 16.4 11.6 6.2 -1.8 8.8 MIXING RATIO (G/KG) 4.91 4.42 5.31 7.53 8.56 10.13 11.87 14.41 12.65 9.27 6.43 3.61 8.26 VAPOUR PRESSURE (HPA) 7.56 6.81 8.14 11.48 13.05 15.34 17.93 21.66 19.16 14.15 9.89 5.57 12.56 SATURATION DEF. (HPA) 3.35 5.25 7.64 4.87 9.67 17.99 23.23 16.84 15.31 13.53 6.36 3.41 10.62 RELATIVE HUMIDITY (MEAN %) 74 63 60 75 64 51 48 61 58 56 65 68 62 RELATIVE HUMIDITY (MAX. %) 88 79 75 89 81 70 67 78 77 75 78 81 78 RELATIVE HUMIDITY (MIN. %) 59 44 45 61 48 35 30 42 41 39 53 55 46 RELATIVE HUMIDITY (MEAN% 03UTC) 76 64 62 79 75 60 63 73 73 64 66 69 69 RELATIVE HUMIDITY (MEAN% 09UTC) 69 62 54 69 54 41 37 49 45 46 60 64 54 RELATIVE HUMIDITY (MEAN% 15UTC) 75 68 59 73 56 41 34 51 50 53 67 69 58 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 45.4 37.8 28.2 90.2 9.9 0.7 34.3 23.6 0.0 45.4 16.8 50.8 383.1 DAYS WITH PRECIPITATION >=10 2 1 1 4 0 0 2 0 0 2 0 1 13 DAYS WITH PRECIPITATION >= 5 3 3 3 6 1 0 2 3 0 2 1 6 30 DAYS WITH PRECIPITATION >= 1 7 6 5 11 2 0 3 6 0 3 5 8 56 DAYS WITH PRECIPITATION 9 10 9 19 10 3 4 8 0 4 10 11 97 GREATEST DAILY PRECIPITATION 14.0 13.0 10.0 17.0 5.6 0.7 17.0 7.0 0.0 30.4 5.3 13.9 30.4 DAY 8 5 10 13 4 30 27 1 ** 31 14 22 DAY WITH THUNDER STORM 0 0 0 1 2 1 3 2 0 2 0 0 11 DAYS WITH SNOW OR SLEET 2 5 1 0 0 0 0 0 0 0 0 7 15 DAYS WITH DUST 2 1 2 1 0 7 0 0 2 3 1 0 19 WIND DIRECTION (PREVAILING) 135 225 135 225 180 225 180 180 180 135 135 135 180 PREVAILING WIND SPEED(KNOTS) 15.3 10.6 10.6 12.0 10.7 11.3 10.8 9.8 9.0 7.1 7.2 14.2 10.1 PREVAILING WIND PERCENT 7.7 12.5 14.1 17.1 18.1 22.9 15.3 18.5 16.7 19.8 12.5 20.2 12.4 CALMS PERCENT OF WIND 74.6 54.5 58.1 52.1 48.4 33.8 41.5 49.2 53.3 46.4 68.3 66.9 53.9 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 178 196 195 219 204 223 225 211 202 186 177 158 200 VECTOR WIND MAGNITUDE(KNOTS) 2.2 3.1 2.5 3.6 3.4 4.4 2.5 3.1 2.3 2.5 2.0 3.1 2.7 WIND STEADINESES (MEAN %) 75.9 66.0 61.0 75.0 72.3 64.7 46.3 68.9 60.5 61.0 76.9 81.6 61.4 WIND SPEED (MEAN KNOTS) 2.9 4.7 4.1 4.8 4.7 6.8 5.4 4.5 3.8 4.1 2.6 3.8 4.4 FASTEST WIND DIRECTION 190 210 210 150 180 190 40 180 210 210 200 150 150 FASTEST WIND SPEED (KNOTS) 29 27 29 31 21 29 29 19 19 23 23 29 31 DAY 4 5 12 3 29 14 7 15 19 3 25 8 DAYS WITH SKY CLEAR (0-2)/8 8 10 11 3 14 18 19 18 27 19 13 11 171 DAYS WITH P.CLOUDY (3-6)/8 14 7 8 9 7 10 9 11 3 10 10 10 108 DAYS WITH CLOUDY (7-8)/8 9 11 12 18 10 2 3 2 0 2 7 10 86 DAYS WITH VISIBILITY =< 2 KM 6 2 6 7 1 0 0 1 0 2 3 8 36 DURATION OF SUNSHINE HOURS 145.4 154.2 192.8 148.5 248.9 291.4 329.9 273.5 293.1 246.6 176.4 141.3 2642.0 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 966.7 965.7 962.8 960.6 961.8 958.2 958.3 957.3 962.0 964.2 968.0 967.4 962.8 MAX. QFE PRESSURE IN HPA 976.2 980.0 981.4 969.8 971.2 967.4 965.3 967.0 969.1 971.7 977.6 984.4 984.4 DAY-HOUR 27- 6 18-18 10-15 1- 6 16-18 24-18 2- 6 31- 6 30- 6 22-18 17- 6 3- 6 MIN. QFE PRESSURE IN HPA 953.4 950.5 949.8 943.8 952.6 948.0 948.8 948.5 955.7 955.1 954.1 947.8 943.8 DAY-HOUR 8- 0 27- 0 27- 0 3-12 29-12 18-21 24-12 15-21 17-15 22- 0 12- 3 21-12 MEAN QNH PRESSURE IN HPA 1020.8 1019.8 1016.7 1014.5 1015.7 1011.9 1012.0 1010.9 1015.9 1018.2 1022.2 1021.5 1016.7 MAX. QNH PRESSURE IN HPA 1030.7 1034.7 1036.2 1024.0 1025.5 1021.5 1019.3 1021.1 1023.3 1026.0 1032.2 1039.3 1039.3 DAY-HOUR 27- 6 18-18 10-15 1- 6 16-18 24-18 2- 6 31- 6 30- 6 22-18 17- 6 3- 6 MIN. QNH PRESSURE IN HPA 1006.9 1003.9 1003.1 996.9 1006.1 1001.3 1002.1 1001.8 1009.3 1008.7 1007.6 1001.0 996.9 DAY-HOUR 8- 0 27- 0 27- 0 3-12 29-12 18-21 24-12 15-21 17-15 22- 0 12- 3 21-12 MEAN QFF PRESSURE IN HPA 1021.9 1020.6 1016.7 1014.2 1014.4 1009.4 1008.8 1007.8 1013.2 1016.3 1022.0 1023.2 1015.7 MAX. QFF PRESSURE IN HPA 1032.2 1037.0 1038.6 1024.2 1025.1 1019.2 1017.2 1019.4 1020.9 1026.2 1032.5 1042.3 1042.3 DAY-HOUR 25-18 18-18 10-15 1- 6 17- 6 24-18 2- 6 31- 6 30- 6 22-21 17- 6 3- 6 MIN. QFF PRESSURE IN HPA 1006.1 1002.6 1000.5 995.7 1002.8 997.9 998.4 998.1 1006.1 1005.9 1005.7 1000.6 995.7 DAY-HOUR 8- 0 27- 0 27- 0 3-12 29-12 18-21 24-21 15-21 17-21 22- 0 12- 9 21-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 966.5 964.6 962.2 960.4 961.6 958.0 958.4 957.1 961.8 964.1 967.6 967.2 962.5 MAX. QFE PRESSURE IN HPA 974.3 979.0 976.7 968.4 970.5 966.5 964.8 964.2 968.0 971.3 975.9 983.2 983.2 DAY 26 19 11 1 17 25 2 30 21 23 17 3 MIN. QFE PRESSURE IN HPA 953.4 950.5 949.8 948.2 953.1 949.6 949.9 949.5 956.3 955.1 954.7 953.0 948.2 DAY 8 27 27 4 29 19 25 17 18 22 12 21 MEAN QNH PRESSURE IN HPA 1020.6 1018.6 1016.0 1014.2 1015.5 1011.7 1012.1 1010.8 1015.7 1018.1 1021.7 1021.4 1016.4 MAX. QNH PRESSURE IN HPA 1028.7 1033.7 1031.3 1022.6 1024.8 1020.6 1018.8 1018.2 1022.2 1025.6 1030.4 1038.0 1038.0 DAY 26 19 11 1 17 25 2 30 21 23 17 3 MIN. QNH PRESSURE IN HPA 1006.9 1003.9 1003.1 1001.5 1006.6 1002.9 1003.2 1002.8 1009.9 1008.7 1008.3 1006.5 1001.5 DAY 8 27 27 4 29 19 25 17 18 22 12 21 MEAN QFF PRESSURE IN HPA 1021.5 1019.3 1016.0 1013.9 1014.2 1009.2 1008.8 1007.6 1012.9 1016.0 1021.4 1023.0 1015.3 MAX. QFF PRESSURE IN HPA 1030.4 1035.8 1033.5 1022.6 1024.3 1018.2 1017.0 1015.7 1019.5 1025.7 1030.8 1041.5 1041.5 DAY 26 19 11 1 17 25 2 30 21 23 17 3 MIN. QFF PRESSURE IN HPA 1006.1 1002.6 1000.5 1000.6 1003.5 999.6 999.4 999.5 1006.7 1005.9 1006.4 1006.8 999.4 DAY 8 27 27 4 29 19 25 17 18 22 12 21 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 966.8 965.0 962.7 960.8 962.3 959.0 959.3 958.2 962.7 964.5 968.0 967.4 963.1 MAX. QFE PRESSURE IN HPA 974.3 979.2 977.9 968.8 971.0 967.0 965.2 966.5 968.8 970.8 976.5 983.1 983.1 DAY 25 19 10 1 17 25 3 31 21 23 17 3 MIN. QFE PRESSURE IN HPA 954.4 950.5 950.7 948.9 953.8 951.8 951.1 949.8 957.8 955.6 954.1 951.1 948.9 DAY 8 27 28 4 29 19 25 17 19 22 12 21 MEAN QNH PRESSURE IN HPA 1020.9 1019.0 1016.6 1014.6 1016.2 1012.7 1013.1 1011.9 1016.6 1018.5 1022.2 1021.6 1017.0 MAX. QNH PRESSURE IN HPA 1028.7 1033.9 1032.5 1023.0 1025.3 1021.1 1019.2 1020.6 1023.0 1025.1 1031.0 1037.9 1037.9 DAY 25 19 10 1 17 25 3 31 21 23 17 3 MIN. QNH PRESSURE IN HPA 1007.9 1003.9 1004.1 1002.2 1007.3 1005.2 1004.5 1003.1 1011.5 1009.2 1007.6 1004.5 1002.2 DAY 8 27 28 4 29 19 25 17 19 22 12 21 MEAN QFF PRESSURE IN HPA 1022.1 1020.0 1016.7 1014.4 1015.1 1010.2 1009.9 1008.9 1014.1 1016.8 1022.1 1023.4 1016.1 MAX. QFF PRESSURE IN HPA 1030.7 1036.2 1033.5 1023.2 1025.0 1018.7 1017.0 1018.9 1020.6 1025.4 1031.5 1041.5 1041.5 DAY 25 19 10 1 17 25 2 31 21 23 17 3 MIN. QFF PRESSURE IN HPA 1007.7 1003.1 1001.7 1002.0 1004.2 1001.9 1000.8 999.8 1008.8 1007.0 1006.2 1004.9 999.8 DAY 8 27 28 4 29 19 25 17 18 22 12 21 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 967.6 966.7 963.8 961.2 962.7 959.1 959.6 958.4 963.3 965.2 968.9 968.4 963.7 MAX. QFE PRESSURE IN HPA 976.2 979.5 980.9 969.8 971.2 966.8 965.3 967.0 969.1 970.9 977.6 984.4 984.4 DAY 27 19 10 1 17 25 2 31 30 23 17 3 MIN. QFE PRESSURE IN HPA 954.8 952.8 952.1 949.7 953.7 952.4 951.4 951.0 957.4 957.2 954.6 949.8 949.7 DAY 8 25 27 4 29 19 25 17 19 30 12 21 MEAN QNH PRESSURE IN HPA 1021.8 1020.8 1017.8 1015.1 1016.6 1012.9 1013.3 1012.1 1017.2 1019.2 1023.1 1022.6 1017.7 MAX. QNH PRESSURE IN HPA 1030.7 1034.2 1035.6 1024.0 1025.5 1020.9 1019.3 1021.1 1023.3 1025.2 1032.2 1039.3 1039.3 DAY 27 19 10 1 17 25 2 31 30 23 17 3 MIN. QNH PRESSURE IN HPA 1008.4 1006.3 1005.5 1003.0 1007.2 1005.8 1004.8 1004.4 1011.1 1010.9 1008.2 1003.1 1003.0 DAY 8 25 27 4 29 19 25 17 19 30 12 21 MEAN QFF PRESSURE IN HPA 1022.9 1021.7 1017.9 1014.8 1015.4 1010.4 1010.2 1009.1 1014.5 1017.4 1023.0 1024.3 1016.8 MAX. QFF PRESSURE IN HPA 1032.2 1036.4 1037.4 1024.2 1025.1 1018.5 1017.2 1019.4 1020.9 1025.2 1032.5 1042.3 1042.3 DAY 14 19 10 1 17 25 2 31 30 23 17 3 MIN. QFF PRESSURE IN HPA 1009.0 1005.2 1002.9 1003.2 1004.2 1002.7 1001.1 1001.1 1008.2 1008.4 1006.3 1003.2 1001.1 DAY 8 25 27 4 29 19 25 17 19 21 12 21 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 966.5 966.3 963.1 960.8 961.9 958.2 958.5 957.4 962.1 964.1 967.9 967.3 962.8 MAX. QFE PRESSURE IN HPA 975.9 977.7 980.5 969.2 970.4 966.2 963.9 965.8 967.6 969.5 976.2 982.9 982.9 DAY 27 18 10 1 17 24 2 31 21 11 17 3 MIN. QFE PRESSURE IN HPA 955.0 952.5 952.2 948.5 953.2 951.3 949.7 950.7 956.3 956.2 954.1 948.8 948.5 DAY 7 25 27 3 29 20 24 8 19 21 12 21 MEAN QNH PRESSURE IN HPA 1020.6 1020.4 1017.0 1014.6 1015.8 1011.9 1012.3 1011.1 1015.9 1018.1 1022.1 1021.4 1016.8 MAX. QNH PRESSURE IN HPA 1030.4 1032.3 1035.2 1023.4 1024.7 1020.3 1017.9 1019.9 1021.7 1023.7 1030.7 1037.7 1037.7 DAY 27 18 10 1 17 24 2 31 21 11 17 3 MIN. QNH PRESSURE IN HPA 1008.6 1006.0 1005.6 1001.8 1006.7 1004.7 1003.0 1004.1 1009.9 1009.8 1007.6 1002.1 1001.8 DAY 7 25 27 3 29 20 24 8 19 21 12 21 MEAN QFF PRESSURE IN HPA 1021.5 1021.1 1016.9 1014.3 1014.6 1009.4 1009.0 1007.9 1013.1 1016.1 1021.7 1023.0 1015.7 MAX. QFF PRESSURE IN HPA 1031.8 1034.5 1037.1 1023.3 1024.1 1018.0 1015.6 1017.9 1019.1 1023.3 1030.9 1040.8 1040.8 DAY 14 18 10 1 17 24 1 31 21 23 17 3 MIN. QFF PRESSURE IN HPA 1007.6 1004.7 1002.8 1001.0 1003.5 1001.9 999.5 1000.4 1006.9 1007.2 1005.7 1001.5 999.5 DAY 7 25 27 3 29 19 24 8 19 21 12 21 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 966.1 965.7 962.2 960.1 961.2 957.2 957.2 956.2 961.0 963.4 967.5 967.0 962.1 MAX. QFE PRESSURE IN HPA 975.0 977.4 981.2 968.1 968.9 965.4 963.2 964.3 966.8 968.7 975.6 981.8 981.8 DAY 25 18 10 1 17 24 1 31 29 31 17 3 MIN. QFE PRESSURE IN HPA 954.7 952.2 951.0 943.8 952.6 949.8 948.8 948.9 955.7 955.6 954.7 947.8 943.8 DAY 7 25 28 3 29 18 24 8 19 21 12 21 MEAN QNH PRESSURE IN HPA 1020.2 1019.8 1016.1 1013.9 1015.0 1010.9 1010.8 1009.8 1014.9 1017.3 1021.7 1021.1 1015.9 MAX. QNH PRESSURE IN HPA 1029.5 1032.0 1036.0 1022.3 1023.1 1019.4 1017.1 1018.3 1020.9 1022.9 1030.1 1036.6 1036.6 DAY 25 18 10 1 17 24 1 31 29 31 17 3 MIN. QNH PRESSURE IN HPA 1008.3 1005.6 1004.4 996.9 1006.1 1003.1 1002.1 1002.2 1009.3 1009.2 1008.3 1001.0 996.9 DAY 7 25 28 3 29 18 24 8 19 21 12 21 MEAN QFF PRESSURE IN HPA 1021.1 1020.5 1015.9 1013.5 1013.8 1008.3 1007.6 1006.6 1012.0 1015.3 1021.3 1022.7 1014.9 MAX. QFF PRESSURE IN HPA 1031.3 1034.0 1038.3 1021.9 1022.3 1017.1 1015.1 1016.0 1018.3 1022.3 1030.3 1039.4 1039.4 DAY 14 18 10 1 17 24 1 31 29 31 17 3 MIN. QFF PRESSURE IN HPA 1006.9 1004.5 1002.8 995.7 1002.8 1000.0 998.6 998.4 1006.3 1006.8 1006.2 1000.6 995.7 DAY 7 25 28 3 29 18 24 8 19 21 12 21 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 966.7 966.2 962.8 960.2 961.2 957.3 957.1 956.3 961.2 964.0 968.1 967.6 962.4 MAX. QFE PRESSURE IN HPA 975.6 978.2 981.4 967.3 969.6 965.6 963.5 964.0 967.9 969.8 975.9 982.6 982.6 DAY 27 18 10 1 16 24 1 31 29 22 16 2 MIN. QFE PRESSURE IN HPA 955.2 952.3 952.8 945.5 953.9 948.7 949.0 949.2 955.7 956.2 957.6 949.7 945.5 DAY 7 25 26 3 29 18 24 8 17 21 12 21 MEAN QNH PRESSURE IN HPA 1020.8 1020.2 1016.7 1014.0 1015.1 1011.0 1010.8 1010.0 1015.1 1017.9 1022.2 1021.7 1016.3 MAX. QNH PRESSURE IN HPA 1030.1 1032.8 1036.2 1021.4 1023.8 1019.7 1017.5 1018.0 1022.1 1024.0 1030.4 1037.4 1037.4 DAY 27 18 10 1 16 24 1 31 29 22 16 2 MIN. QNH PRESSURE IN HPA 1008.8 1005.7 1006.3 998.6 1007.4 1002.0 1002.3 1002.5 1009.3 1009.8 1011.3 1003.0 998.6 DAY 7 25 26 3 29 18 24 8 17 21 12 21 MEAN QFF PRESSURE IN HPA 1022.0 1021.2 1016.8 1013.8 1013.9 1008.5 1007.6 1006.9 1012.5 1016.3 1022.2 1023.5 1015.4 MAX. QFF PRESSURE IN HPA 1031.9 1035.0 1038.6 1021.8 1023.5 1017.2 1015.5 1016.1 1019.8 1023.2 1030.8 1040.7 1040.7 DAY 25 18 10 11 16 24 1 31 29 22 17 2 MIN. QFF PRESSURE IN HPA 1009.0 1004.9 1004.4 997.7 1004.4 998.5 998.7 998.9 1006.4 1007.9 1009.6 1003.4 997.7 DAY 7 25 26 3 29 18 24 8 17 21 12 21 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 967.0 966.1 963.2 961.1 961.9 958.5 958.3 957.4 962.0 964.4 968.2 967.5 963.0 MAX. QFE PRESSURE IN HPA 975.8 980.0 980.5 968.2 971.2 967.4 964.8 965.4 968.7 971.7 976.4 983.0 983.0 DAY 25 18 10 26 16 24 1 30 29 22 16 2 MIN. QFE PRESSURE IN HPA 956.4 952.3 951.8 948.1 954.0 948.5 949.4 949.8 956.1 956.3 957.3 951.6 948.1 DAY 28 26 20 3 31 18 24 15 17 21 10 21 MEAN QNH PRESSURE IN HPA 1021.1 1020.1 1017.1 1015.0 1015.8 1012.3 1012.0 1011.0 1015.9 1018.4 1022.4 1021.7 1016.9 MAX. QNH PRESSURE IN HPA 1030.3 1034.7 1035.2 1022.4 1025.5 1021.5 1018.8 1019.4 1022.9 1026.0 1030.9 1037.8 1037.8 DAY 25 18 10 26 16 24 1 30 29 22 16 2 MIN. QNH PRESSURE IN HPA 1010.0 1005.7 1005.2 1001.4 1007.5 1001.8 1002.7 1003.1 1009.7 1009.9 1011.0 1005.0 1001.4 DAY 28 26 20 3 31 18 24 15 17 21 10 21 MEAN QFF PRESSURE IN HPA 1022.3 1021.1 1017.2 1014.7 1014.6 1009.8 1008.9 1008.0 1013.2 1016.6 1022.3 1023.4 1016.0 MAX. QFF PRESSURE IN HPA 1032.2 1037.0 1037.7 1022.7 1025.0 1019.2 1016.8 1017.6 1020.3 1025.5 1031.2 1040.9 1040.9 DAY 25 18 10 26 16 24 1 30 29 22 17 2 MIN. QFF PRESSURE IN HPA 1010.1 1005.0 1003.4 1000.9 1004.4 998.3 999.1 999.9 1006.7 1007.3 1009.3 1005.2 998.3 DAY 28 26 26 3 31 18 24 15 17 21 10 21 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 966.7 965.4 962.6 960.6 961.7 958.3 958.1 957.3 961.9 964.3 968.0 967.0 962.7 MAX. QFE PRESSURE IN HPA 975.6 979.5 978.9 967.1 970.8 967.2 964.8 965.8 967.8 971.7 976.4 983.4 983.4 DAY 25 18 10 26 16 24 1 30 29 22 16 2 MIN. QFE PRESSURE IN HPA 955.5 951.8 951.3 948.5 953.6 948.0 949.0 948.5 955.8 955.5 956.3 952.9 948.0 DAY 7 26 26 3 28 18 24 15 17 21 11 21 MEAN QNH PRESSURE IN HPA 1020.8 1019.5 1016.6 1014.4 1015.6 1012.1 1011.8 1011.0 1015.7 1018.2 1022.2 1021.1 1016.6 MAX. QNH PRESSURE IN HPA 1030.1 1034.2 1033.6 1021.2 1025.1 1021.3 1018.8 1019.9 1022.0 1026.0 1030.9 1038.3 1038.3 DAY 25 18 10 26 16 24 1 30 29 22 16 2 MIN. QNH PRESSURE IN HPA 1009.1 1005.2 1004.7 1001.8 1007.1 1001.3 1002.3 1001.8 1009.4 1009.1 1009.9 1006.4 1001.3 DAY 7 26 26 3 28 18 24 15 17 21 11 21 MEAN QFF PRESSURE IN HPA 1021.8 1020.2 1016.4 1014.1 1014.3 1009.5 1008.5 1007.9 1012.9 1016.2 1021.9 1022.7 1015.5 MAX. QFF PRESSURE IN HPA 1031.8 1036.4 1035.9 1022.1 1024.6 1019.0 1016.8 1018.2 1019.3 1026.2 1031.1 1041.7 1041.7 DAY 25 18 10 22 16 24 1 30 29 22 16 2 MIN. QFF PRESSURE IN HPA 1008.9 1004.0 1002.1 1001.3 1004.0 997.9 998.4 998.1 1006.1 1006.2 1008.4 1006.2 997.9 DAY 28 26 26 3 31 18 24 15 17 21 11 21 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.0 7.3 7.9 13.3 19.0 23.0 26.3 28.5 24.3 21.6 11.9 9.2 16.7 MINIMUN AIR TEMPERATURE (C) 4.6 4.6 4.5 9.4 14.0 17.8 21.9 23.1 19.5 17.3 8.4 6.4 12.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 3 1 2 25 29 10 2 0 0 72 DAYS WITH MINIMUM TEMP. <=-4 0 1 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH FREEZING MIN.<= 0 0 3 3 0 0 0 0 0 0 0 0 3 9 TEMPERATURE RECORDS LOWEST(C) 0.2 -4.2 -2.2 4.2 4.8 9.4 18.8 20.2 13.4 11.8 3.6 -2.8 -4.2 DAY 21 18 2 29 1 6 26 4 26 21 23 12 MAXIMUM AIR TEMPERATURE (C) 11.8 10.8 12.1 17.8 24.5 29.2 32.2 34.7 30.2 27.2 15.9 12.9 21.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 4 3 16 22 31 14 7 0 0 97 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.4 22.8 25.4 34.8 33.2 36.2 39.0 41.2 37.6 33.8 29.0 26.4 41.2 DAY 13 3 7 7 31 13 13 12 5 29 10 19 DIF. BETWEEN (MAX.-MIN.) (C) 7.2 6.2 7.6 8.4 10.5 11.4 10.3 11.6 10.7 9.9 7.5 6.5 9.0 MEAN DAILY TEMP. (MDT) (C) 8.2 7.7 8.3 13.6 19.3 23.5 27.1 28.9 24.8 22.2 12.2 9.6 17.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 20.8 30.8 88.6 188.3 246.0 118.1 55.0 0.3 0.0 747.9 HEATING DEG. DAYS(BASE 18 0C) 303.3 289.4 300.6 171.2 40.5 5.2 0.0 0.0 0.0 2.5 179.9 261.6 1554.2 DEWPOINT (MEAN C) 1.4 1.7 4.1 7.7 10.6 12.8 17.6 14.9 11.2 10.3 4.1 0.6 8.1 MIXING RATIO (G/KG) 4.45 4.63 5.49 7.01 8.60 9.98 13.52 11.60 9.40 8.49 5.56 4.39 7.76 VAPOUR PRESSURE (HPA) 6.86 7.11 8.43 10.73 13.13 15.13 20.34 17.55 14.29 12.95 8.56 6.79 11.82 SATURATION DEF. (HPA) 4.43 3.73 2.67 6.23 9.92 13.96 14.59 22.37 17.11 13.65 5.90 5.38 9.99 RELATIVE HUMIDITY (MEAN %) 68 73 80 75 61 56 62 48 49 53 64 61 63 RELATIVE HUMIDITY (MAX. %) 82 85 94 89 77 75 78 68 68 69 79 75 78 RELATIVE HUMIDITY (MIN. %) 56 60 62 59 45 39 44 29 29 37 51 46 46 RELATIVE HUMIDITY (MEAN% 03UTC) 71 75 83 78 70 67 73 60 63 61 66 65 69 RELATIVE HUMIDITY (MEAN% 09UTC) 63 69 73 68 51 46 50 36 36 44 58 55 54 RELATIVE HUMIDITY (MEAN% 15UTC) 69 74 78 77 59 45 52 35 41 49 65 62 59 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 15.2 58.3 80.7 81.3 34.2 30.4 1.6 0.8 0.7 16.7 57.0 37.3 414.2 DAYS WITH PRECIPITATION >=10 0 3 2 3 1 1 0 0 0 1 2 1 14 DAYS WITH PRECIPITATION >= 5 1 5 6 6 2 1 0 0 0 1 4 3 29 DAYS WITH PRECIPITATION >= 1 4 11 11 13 5 2 1 0 0 2 5 7 61 DAYS WITH PRECIPITATION 8 18 16 14 6 4 5 4 4 6 11 12 108 GREATEST DAILY PRECIPITATION 5.7 12.0 27.2 22.0 18.6 26.0 1.5 0.6 0.4 14.7 26.0 14.0 27.2 DAY 29 27 8 12 25 6 25 16 11 5 14 10 DAY WITH THUNDER STORM 0 1 0 2 1 2 0 0 0 1 0 0 7 DAYS WITH SNOW OR SLEET 1 4 2 0 0 0 0 0 0 0 0 2 9 DAYS WITH DUST 0 0 0 2 2 4 1 2 4 1 0 1 17 WIND DIRECTION (PREVAILING) 135 135 270 225 180 180 180 180 180 180 180 135 180 PREVAILING WIND SPEED(KNOTS) 13.6 15.6 8.0 10.6 11.6 11.2 10.3 12.2 11.5 10.6 8.1 16.7 11.3 PREVAILING WIND PERCENT 15.7 17.4 14.1 12.9 20.2 18.3 16.5 19.4 25.4 21.0 12.1 25.4 14.4 CALMS PERCENT OF WIND 67.7 51.8 60.1 53.8 47.2 44.2 51.2 37.5 32.5 48.0 62.1 56.9 51.1 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 165 172 220 208 193 209 227 202 202 182 198 158 193 VECTOR WIND MAGNITUDE(KNOTS) 2.5 3.7 2.7 3.1 3.7 4.2 3.5 3.1 4.0 3.0 1.8 5.3 3.2 WIND STEADINESES (MEAN %) 69.4 69.8 62.8 66.0 68.5 73.7 74.5 48.4 59.7 63.8 52.9 85.5 62.7 WIND SPEED (MEAN KNOTS) 3.6 5.3 4.3 4.7 5.4 5.7 4.7 6.4 6.7 4.7 3.4 6.2 5.1 FASTEST WIND DIRECTION 150 140 220 200 190 200 210 190 200 210 150 210 200 FASTEST WIND SPEED (KNOTS) 29 31 29 43 31 27 17 21 29 25 19 29 43 DAY 13 1 19 10 16 13 10 2 7 29 10 19 DAYS WITH SKY CLEAR (0-2)/8 11 6 7 3 15 19 8 22 23 19 8 10 151 DAYS WITH P.CLOUDY (3-6)/8 7 6 10 4 11 8 16 8 7 9 11 12 109 DAYS WITH CLOUDY (7-8)/8 13 16 14 23 5 3 7 1 0 3 11 9 105 DAYS WITH VISIBILITY =< 2 KM 9 8 13 6 0 1 0 0 1 0 3 3 44 DURATION OF SUNSHINE HOURS 142.7 101.1 147.6 112.0 299.8 299.3 223.9 334.1 296.4 239.7 138.7 151.7 2487.0 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 966.0 962.9 964.6 964.1 963.7 959.6 956.7 959.6 962.3 963.0 968.2 968.4 963.3 MAX. QFE PRESSURE IN HPA 975.4 976.4 978.7 976.0 978.0 971.4 964.6 964.7 972.7 971.7 978.2 985.7 985.7 DAY-HOUR 19- 6 12-18 2- 6 30-18 1- 9 6- 6 4- 0 16- 6 26- 6 15- 6 22-18 11-18 MIN. QFE PRESSURE IN HPA 950.1 947.4 946.0 951.9 954.3 951.1 949.5 954.3 951.4 953.5 958.3 953.2 946.0 DAY-HOUR 28-12 19- 0 26-12 26-12 30-12 18- 0 7-15 12-15 6-21 27-12 9- 9 19- 9 MEAN QNH PRESSURE IN HPA 1020.1 1016.8 1018.6 1018.1 1017.7 1013.4 1010.3 1013.4 1016.2 1016.9 1022.3 1022.6 1017.2 MAX. QNH PRESSURE IN HPA 1029.9 1030.9 1033.3 1030.5 1032.6 1025.7 1018.6 1018.7 1027.1 1026.0 1032.8 1040.7 1040.7 DAY-HOUR 19- 6 12-18 2- 6 30-18 1- 9 6- 6 4- 0 16- 6 26- 6 15- 6 22-18 11-18 MIN. QNH PRESSURE IN HPA 1003.4 1000.6 999.2 1005.3 1007.8 1004.5 1002.8 1007.8 1004.8 1007.0 1012.0 1006.7 999.2 DAY-HOUR 28-12 19- 0 26-12 26-12 30-12 18- 0 7-15 12-15 6-21 27-12 9- 9 19- 9 MEAN QFF PRESSURE IN HPA 1021.1 1017.9 1019.6 1017.9 1016.4 1011.3 1007.5 1010.3 1013.9 1015.1 1022.5 1023.4 1016.4 MAX. QFF PRESSURE IN HPA 1032.0 1033.3 1036.4 1031.8 1033.9 1025.1 1016.1 1016.3 1025.8 1024.3 1034.6 1043.6 1043.6 DAY-HOUR 19- 6 12-18 2- 6 30-18 1- 9 6- 6 3- 6 16- 6 26- 6 15- 6 22-18 11-18 MIN. QFF PRESSURE IN HPA 1003.5 1001.2 998.7 1002.3 1005.6 1001.2 999.6 1003.6 1001.4 1004.5 1011.4 1005.2 998.7 DAY-HOUR 28-12 20-12 19-15 26-12 30-21 18- 0 7-15 12-15 6-21 25-12 9- 9 19- 9 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 965.7 962.1 964.2 963.3 963.6 959.6 956.9 959.7 962.2 962.7 967.5 968.4 963.0 MAX. QFE PRESSURE IN HPA 974.5 973.2 976.1 972.2 975.7 967.3 964.6 963.7 971.7 969.4 977.6 984.1 984.1 DAY 19 13 2 29 1 7 4 4 23 16 23 12 MIN. QFE PRESSURE IN HPA 953.5 947.4 952.1 954.4 955.0 951.1 951.0 954.8 951.4 955.2 958.5 955.7 947.4 DAY 29 19 21 27 31 18 8 13 7 29 14 19 MEAN QNH PRESSURE IN HPA 1019.7 1016.0 1018.2 1017.2 1017.6 1013.4 1010.5 1013.5 1016.1 1016.6 1021.6 1022.5 1016.9 MAX. QNH PRESSURE IN HPA 1029.0 1027.6 1030.6 1026.5 1030.2 1021.4 1018.6 1017.7 1026.0 1023.6 1032.2 1039.0 1039.0 DAY 19 13 2 29 1 7 4 4 23 16 23 12 MIN. QNH PRESSURE IN HPA 1007.0 1000.6 1005.5 1007.9 1008.6 1004.5 1004.4 1008.4 1004.8 1008.8 1012.2 1009.3 1000.6 DAY 29 19 21 27 31 18 8 13 7 29 14 19 MEAN QFF PRESSURE IN HPA 1020.6 1016.9 1019.2 1017.0 1016.4 1011.2 1007.6 1010.3 1013.7 1014.6 1021.7 1023.2 1016.0 MAX. QFF PRESSURE IN HPA 1031.2 1030.0 1033.1 1027.9 1031.4 1021.3 1015.9 1014.7 1024.2 1021.9 1033.9 1042.0 1042.0 DAY 19 13 2 30 1 7 4 4 23 16 23 12 MIN. QFF PRESSURE IN HPA 1007.7 1001.8 1004.9 1005.3 1006.0 1001.2 1001.0 1003.9 1001.5 1005.7 1011.4 1008.4 1001.0 DAY 29 19 21 27 31 18 8 13 7 29 14 19 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 966.1 962.7 964.7 964.0 964.1 960.5 957.7 960.6 963.1 963.2 967.8 968.6 963.6 MAX. QFE PRESSURE IN HPA 974.8 971.7 977.1 973.3 976.6 970.0 964.6 964.5 972.4 970.3 976.4 983.5 983.5 DAY 19 24 2 29 1 6 4 4 23 15 23 12 MIN. QFE PRESSURE IN HPA 956.6 948.3 951.1 954.4 955.9 952.5 951.3 956.0 954.3 955.2 959.0 955.2 948.3 DAY 29 19 26 21 30 18 7 13 7 29 21 19 MEAN QNH PRESSURE IN HPA 1020.2 1016.7 1018.7 1018.0 1018.1 1014.3 1011.4 1014.4 1017.1 1017.2 1022.0 1022.8 1017.6 MAX. QNH PRESSURE IN HPA 1029.3 1026.0 1031.7 1027.7 1031.1 1024.2 1018.6 1018.5 1026.8 1024.6 1030.9 1038.4 1038.4 DAY 19 24 2 29 1 6 4 4 23 15 23 12 MIN. QNH PRESSURE IN HPA 1010.2 1001.6 1004.5 1007.9 1009.5 1006.0 1004.7 1009.6 1007.8 1008.8 1012.8 1008.8 1001.6 DAY 29 19 26 21 30 18 7 13 7 29 21 19 MEAN QFF PRESSURE IN HPA 1021.3 1017.8 1019.7 1018.0 1017.0 1012.2 1008.7 1011.3 1014.9 1015.6 1022.3 1023.7 1016.9 MAX. QFF PRESSURE IN HPA 1031.6 1028.1 1034.3 1028.9 1032.7 1023.3 1016.0 1015.7 1025.3 1023.1 1032.7 1041.6 1041.6 DAY 19 28 2 29 1 6 4 4 27 15 23 12 MIN. QFF PRESSURE IN HPA 1010.5 1003.0 1003.6 1005.8 1007.0 1002.8 1001.5 1005.2 1004.9 1006.1 1013.4 1008.1 1001.5 DAY 13 19 26 26 31 18 7 13 7 29 10 19 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 967.0 963.7 965.5 964.6 964.4 960.7 957.8 960.9 963.6 964.0 968.8 969.3 964.2 MAX. QFE PRESSURE IN HPA 975.4 973.4 978.7 974.0 977.8 971.4 964.4 964.7 972.7 971.7 976.9 983.8 983.8 DAY 19 28 2 29 1 6 3 16 26 15 23 12 MIN. QFE PRESSURE IN HPA 955.8 950.3 954.8 954.2 955.9 953.0 951.3 957.3 955.7 954.1 959.3 955.0 950.3 DAY 28 19 19 26 30 18 7 6 6 27 21 19 MEAN QNH PRESSURE IN HPA 1021.1 1017.7 1019.6 1018.6 1018.4 1014.6 1011.5 1014.7 1017.6 1018.0 1023.0 1023.5 1018.2 MAX. QNH PRESSURE IN HPA 1029.9 1027.8 1033.3 1028.4 1032.4 1025.7 1018.4 1018.7 1027.1 1026.0 1031.5 1038.7 1038.7 DAY 19 28 2 29 1 6 3 16 26 15 23 12 MIN. QNH PRESSURE IN HPA 1009.4 1003.7 1008.4 1007.7 1009.5 1006.5 1004.7 1011.0 1009.3 1007.6 1013.1 1008.6 1003.7 DAY 28 19 19 26 30 18 7 6 6 27 21 19 MEAN QFF PRESSURE IN HPA 1022.2 1018.8 1020.7 1018.4 1017.2 1012.6 1008.8 1011.7 1015.3 1016.3 1023.3 1024.3 1017.5 MAX. QFF PRESSURE IN HPA 1032.0 1030.1 1036.4 1029.9 1033.8 1025.1 1016.1 1016.3 1025.8 1024.3 1032.8 1041.5 1041.5 DAY 19 28 2 29 1 6 3 16 26 15 23 12 MIN. QFF PRESSURE IN HPA 1009.8 1005.1 1008.4 1005.1 1007.5 1003.4 1001.4 1006.7 1005.9 1006.0 1013.3 1007.6 1001.4 DAY 28 19 19 26 31 18 8 12 6 27 21 19 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 966.0 962.9 964.8 964.3 963.9 959.7 956.7 959.8 962.4 963.0 968.1 968.1 963.3 MAX. QFE PRESSURE IN HPA 973.3 974.3 978.5 973.5 978.0 970.7 963.8 963.5 972.2 971.1 976.0 982.9 982.9 DAY 19 12 2 30 1 6 3 30 26 15 25 11 MIN. QFE PRESSURE IN HPA 952.6 949.2 951.0 953.3 955.1 953.8 950.2 956.5 954.0 955.2 958.3 953.2 949.2 DAY 28 20 26 26 30 22 7 12 6 27 9 19 MEAN QNH PRESSURE IN HPA 1020.1 1016.9 1018.8 1018.3 1017.8 1013.5 1010.3 1013.6 1016.3 1016.9 1022.2 1022.3 1017.2 MAX. QNH PRESSURE IN HPA 1027.7 1028.7 1033.1 1027.9 1032.6 1025.0 1017.8 1017.5 1026.5 1025.4 1030.5 1037.7 1037.7 DAY 19 12 2 30 1 6 3 30 26 15 25 11 MIN. QNH PRESSURE IN HPA 1006.1 1002.5 1004.4 1006.8 1008.7 1007.3 1003.5 1010.1 1007.5 1008.8 1012.0 1006.7 1002.5 DAY 28 20 26 26 30 22 7 12 6 27 9 19 MEAN QFF PRESSURE IN HPA 1020.9 1017.8 1019.7 1018.0 1016.5 1011.4 1007.5 1010.4 1013.9 1015.0 1022.3 1022.9 1016.4 MAX. QFF PRESSURE IN HPA 1029.7 1030.6 1036.0 1029.0 1033.9 1024.3 1015.1 1014.6 1025.2 1023.5 1031.2 1040.3 1040.3 DAY 19 12 2 30 1 6 3 16 26 15 15 11 MIN. QFF PRESSURE IN HPA 1006.3 1003.0 1004.0 1003.8 1006.5 1004.7 1000.4 1005.9 1004.0 1006.1 1011.4 1005.2 1000.4 DAY 28 20 19 26 30 22 7 12 6 29 9 19 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 965.5 962.3 963.9 963.8 963.2 958.5 955.6 958.4 961.2 962.1 967.9 967.7 962.5 MAX. QFE PRESSURE IN HPA 973.9 975.4 978.5 973.4 977.5 969.6 962.9 962.4 971.2 970.2 976.2 983.6 983.6 DAY 10 12 2 30 1 6 3 16 26 15 22 11 MIN. QFE PRESSURE IN HPA 950.1 947.4 946.0 951.9 954.3 951.9 949.6 954.9 952.8 953.5 958.4 954.1 946.0 DAY 28 20 26 26 30 22 7 12 6 27 9 6 MEAN QNH PRESSURE IN HPA 1019.5 1016.2 1017.8 1017.8 1017.1 1012.3 1009.2 1012.1 1015.1 1016.0 1022.0 1021.9 1016.4 MAX. QNH PRESSURE IN HPA 1028.3 1029.9 1033.1 1027.8 1032.1 1023.8 1016.8 1016.3 1025.5 1024.5 1030.7 1038.5 1038.5 DAY 10 12 2 30 1 6 3 16 26 15 22 11 MIN. QNH PRESSURE IN HPA 1003.4 1000.6 999.2 1005.3 1007.8 1005.3 1002.9 1008.5 1006.3 1007.0 1012.1 1007.6 999.2 DAY 28 20 26 26 30 22 7 12 6 27 9 6 MEAN QFF PRESSURE IN HPA 1020.4 1017.2 1018.7 1017.5 1015.8 1010.1 1006.3 1009.0 1012.7 1014.1 1022.1 1022.6 1015.5 MAX. QFF PRESSURE IN HPA 1029.3 1031.9 1035.8 1029.0 1033.2 1023.5 1014.2 1013.7 1024.2 1022.6 1032.0 1041.2 1041.2 DAY 10 12 2 30 1 6 3 16 26 15 22 11 MIN. QFF PRESSURE IN HPA 1003.5 1001.2 999.5 1002.3 1005.6 1002.5 999.8 1004.2 1002.9 1004.5 1011.5 1006.2 999.5 DAY 28 20 26 26 30 22 7 12 6 25 9 19 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MEANS AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 966.1 963.0 964.3 964.2 963.2 958.6 955.5 958.4 961.5 962.7 968.5 968.5 962.9 MAX. QFE PRESSURE IN HPA 974.7 976.1 978.7 974.9 977.2 969.3 963.1 961.9 971.1 971.0 977.2 984.6 984.6 DAY 10 12 2 30 1 6 3 17 26 15 22 11 MIN. QFE PRESSURE IN HPA 951.0 947.8 946.7 952.1 954.3 951.5 949.5 954.3 951.9 953.6 959.3 955.4 946.7 DAY 28 20 19 26 30 22 7 12 6 25 9 6 MEAN QNH PRESSURE IN HPA 1020.1 1016.9 1018.3 1018.2 1017.2 1012.4 1009.1 1012.1 1015.3 1016.6 1022.7 1022.7 1016.8 MAX. QNH PRESSURE IN HPA 1029.2 1030.6 1033.3 1029.4 1031.8 1023.5 1017.0 1015.8 1025.4 1025.3 1031.8 1039.5 1039.5 DAY 10 12 2 30 1 6 3 17 26 15 22 11 MIN. QNH PRESSURE IN HPA 1004.4 1001.0 999.9 1005.5 1007.8 1004.9 1002.8 1007.8 1005.3 1007.1 1013.1 1009.0 999.9 DAY 28 20 19 26 30 22 7 12 6 25 9 6 MEAN QFF PRESSURE IN HPA 1021.3 1018.1 1019.3 1018.2 1015.9 1010.2 1006.3 1009.1 1013.2 1015.0 1023.1 1023.6 1016.1 MAX. QFF PRESSURE IN HPA 1030.6 1032.7 1036.1 1030.9 1032.9 1023.4 1014.5 1013.2 1024.6 1024.0 1033.3 1042.4 1042.4 DAY 10 12 2 30 1 6 3 16 26 15 22 11 MIN. QFF PRESSURE IN HPA 1005.2 1001.8 998.7 1003.0 1005.7 1001.9 999.6 1003.6 1002.3 1004.6 1012.6 1009.0 998.7 DAY 28 20 19 26 30 22 7 12 6 25 9 6 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 966.2 963.5 965.1 964.7 963.9 959.8 956.7 959.6 962.4 963.2 968.7 968.7 963.5 MAX. QFE PRESSURE IN HPA 974.8 976.4 978.1 976.0 977.0 969.0 964.3 963.4 971.8 971.3 978.2 985.7 985.7 DAY 10 12 2 30 1 6 3 3 22 15 22 11 MIN. QFE PRESSURE IN HPA 951.1 952.7 952.4 952.6 954.4 953.1 950.7 955.8 951.8 954.6 960.1 956.9 950.7 DAY 28 20 20 26 30 22 8 12 6 25 19 6 MEAN QNH PRESSURE IN HPA 1020.2 1017.4 1019.1 1018.7 1017.9 1013.6 1010.3 1013.4 1016.3 1017.1 1022.9 1022.8 1017.5 MAX. QNH PRESSURE IN HPA 1029.3 1030.9 1032.7 1030.5 1031.6 1023.2 1018.3 1017.3 1026.1 1025.6 1032.8 1040.7 1040.7 DAY 10 12 2 30 1 6 3 3 22 15 22 11 MIN. QNH PRESSURE IN HPA 1004.5 1006.2 1005.8 1006.1 1007.9 1006.6 1004.1 1009.4 1005.2 1008.2 1013.9 1010.6 1004.1 DAY 28 20 20 26 30 22 8 12 6 25 19 6 MEAN QFF PRESSURE IN HPA 1021.3 1018.6 1020.2 1018.6 1016.6 1011.6 1007.6 1010.4 1014.1 1015.4 1023.1 1023.6 1016.8 MAX. QFF PRESSURE IN HPA 1030.5 1033.3 1035.7 1031.8 1032.8 1023.5 1015.9 1014.5 1024.7 1024.2 1034.6 1043.6 1043.6 DAY 10 12 2 30 1 6 3 3 26 15 22 11 MIN. QFF PRESSURE IN HPA 1005.1 1006.9 1005.4 1003.3 1005.8 1003.7 1000.7 1005.3 1002.0 1005.8 1013.7 1010.4 1000.7 DAY 28 20 20 26 30 22 8 12 6 25 19 6 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 965.7 962.9 964.5 964.2 963.6 959.5 956.7 959.6 962.4 963.0 968.2 968.3 963.2 MAX. QFE PRESSURE IN HPA 974.6 975.3 976.1 975.7 975.2 968.0 964.5 963.2 971.7 970.4 977.8 984.7 984.7 DAY 18 12 1 30 1 6 3 3 22 15 22 11 MIN. QFE PRESSURE IN HPA 952.5 950.0 951.4 952.6 954.5 952.3 951.1 955.2 951.4 955.2 959.3 957.0 950.0 DAY 28 18 20 26 30 17 8 12 6 28 19 18 MEAN QNH PRESSURE IN HPA 1019.8 1016.8 1018.5 1018.2 1017.6 1013.3 1010.4 1013.4 1016.3 1016.9 1022.3 1022.5 1017.2 MAX. QNH PRESSURE IN HPA 1029.1 1029.8 1030.6 1030.2 1029.7 1022.2 1018.5 1017.1 1026.0 1024.7 1032.4 1039.6 1039.6 DAY 18 12 1 30 1 6 3 3 22 15 22 11 MIN. QNH PRESSURE IN HPA 1006.0 1003.3 1004.8 1006.1 1008.0 1005.7 1004.5 1008.8 1004.8 1008.8 1013.1 1010.7 1003.3 DAY 28 18 20 26 30 17 8 12 6 28 19 18 MEAN QFF PRESSURE IN HPA 1020.7 1017.9 1019.4 1017.9 1016.2 1011.1 1007.5 1010.2 1013.8 1015.0 1022.4 1023.2 1016.3 MAX. QFF PRESSURE IN HPA 1031.3 1032.2 1033.2 1031.3 1030.9 1022.3 1015.9 1014.2 1024.5 1023.1 1034.0 1042.6 1042.6 DAY 18 12 2 30 1 6 3 3 26 15 22 11 MIN. QFF PRESSURE IN HPA 1006.4 1004.7 1004.2 1003.3 1005.6 1002.9 1001.0 1004.5 1001.4 1005.8 1012.0 1009.7 1001.0 DAY 28 18 20 26 30 17 8 12 6 28 9 18 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1993-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 6.6 7.1 10.0 16.2 21.3 25.3 27.5 28.4 24.3 18.7 12.4 9.0 17.2 MINIMUN AIR TEMPERATURE (C) 3.5 3.7 6.2 11.7 15.9 19.8 22.5 23.6 19.9 14.8 9.2 5.7 13.1 DAYS WITH MINIMUM TEMP. >=21 0.0 0.0 0.1 0.8 1.7 9.8 25.2 28.5 12.3 1.9 0.0 0.0 80.3 DAYS WITH MINIMUM TEMP. <=-4 0.3 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.3 DAYS WITH FREEZING MIN.<= 0 4.9 5.3 2.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 2.4 14.9 TEMPERATURE RECORDS LOWEST(C) -4.2 -10.2 -2.2 1.4 4.8 9.4 15.2 18.0 11.6 3.6 -3.8 -4.2 -10.2 YEAR-DAY 2-13 93-17 3- 2 94- 5 3- 1 3- 6 99-13 2-31 95-22 95-18 93-30 2- 3 93-17 MAXIMUM AIR TEMPERATURE (C) 10.6 11.7 14.7 21.4 27.2 31.7 33.6 34.4 30.0 24.1 16.9 13.1 22.5 DAYS WITH MAXIMUM TEMP. >=30 0.0 0.0 0.3 3.5 9.2 19.9 27.7 28.0 16.2 4.3 0.1 0.1 109.3 DAYS WITH MAXIMUM TEMP. <= 0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 TEMPERATURE RECORDS HIGHEST(C) 24.0 25.0 32.0 36.6 42.6 42.0 42.0 44.0 42.6 37.4 30.8 32.0 44.0 YEAR-DAY 2- 2 99-20 2-27 0-21 1-15 93-28 2-15 0- 3 96- 8 2- 3 95- 8 98-11 0- 3 DIF. BETWEEN (MAX.-MIN.) (C) 7.1 8.0 8.5 9.7 11.3 11.9 11.1 10.8 10.1 9.3 7.7 7.4 9.4 MEAN DAILY TEMP. (MDT) (C) 7.0 7.7 10.5 16.6 21.6 25.8 28.0 29.0 25.0 19.5 13.0 9.4 17.8 STANDARD DEVIATION OF MDT(C) 1.25 2.41 1.94 2.24 1.36 1.34 0.99 0.96 1.04 2.05 2.29 2.24 1.68 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 1.3 17.9 59.9 147.3 218.4 247.2 125.8 32.0 1.3 0.3 851.4 HEATING DEG. DAYS(BASE 18 0C) 339.5 291.8 237.0 87.1 15.2 0.9 0.0 0.0 0.7 31.6 158.4 267.5 1429.7 DEWPOINT (MEAN C) 0.7 0.4 3.2 8.0 10.8 13.5 16.6 17.1 13.7 8.9 5.6 1.8 8.4 MIXING RATIO (G/KG) 4.31 4.21 5.19 7.24 8.75 10.50 12.72 13.39 10.78 7.78 6.10 4.68 7.97 VAPOUR PRESSURE (HPA) 6.65 6.48 7.96 11.06 13.33 15.89 19.17 20.18 16.35 11.92 9.39 7.22 12.13 SATURATION DEF. (HPA) 3.63 4.22 5.18 8.61 13.29 17.75 18.52 19.46 15.11 10.66 5.72 4.84 10.58 RELATIVE HUMIDITY (MEAN %) 70 67 68 64 56 53 55 55 56 57 67 66 60 RELATIVE HUMIDITY (MAX. %) 84 83 83 80 75 72 73 75 74 74 81 80 78 RELATIVE HUMIDITY (MIN. %) 56 53 53 49 39 36 37 36 38 42 53 52 45 RELATIVE HUMIDITY (MEAN% 03UTC) 72 72 72 70 67 64 68 68 68 65 71 68 69 RELATIVE HUMIDITY (MEAN% 09UTC) 65 62 62 56 46 43 43 43 44 48 60 61 53 RELATIVE HUMIDITY (MEAN% 15UTC) 71 68 68 63 49 42 43 44 48 55 67 67 57 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 34.7 40.0 47.9 37.1 18.0 21.3 17.8 12.8 22.3 35.8 37.8 30.7 356.2 DAYS WITH PRECIPITATION >=10 1.0 1.3 1.3 1.3 0.6 0.5 0.5 0.5 0.7 1.4 1.4 0.7 11.2 DAYS WITH PRECIPITATION >= 5 2.5 3.1 3.5 2.9 1.5 0.9 1.1 0.9 1.0 2.4 2.8 2.5 25.1 DAYS WITH PRECIPITATION >= 1 6.3 6.8 8.4 5.7 2.5 2.4 2.0 1.9 2.3 4.5 5.4 5.5 53.7 DAYS WITH PRECIPITATION 10.2 11.3 12.6 9.9 5.9 4.7 3.7 4.1 4.4 6.9 7.9 8.5 90.1 GREATEST DAILY PRECIPITATION 17.0 22.0 27.2 22.0 22.0 65.0 48.5 19.0 62.6 30.4 27.8 30.0 65.0 YEAR-DAY 0-28 94- 9 3- 8 3-12 97- 5 97- 1 96-14 98- 9 94-14 2-31 95-26 97-11 97 DAY WITH THUNDER STORM 0.2 0.1 0.2 0.6 1.1 1.1 1.2 1.2 0.8 1.1 0.0 0.0 7.6 DAYS WITH SNOW OR SLEET 3.6 4.3 1.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 1.8 11.9 DAYS WITH DUST 0.3 0.2 0.5 1.0 2.0 2.5 0.6 0.9 1.5 1.3 0.5 0.3 11.6 WIND DIRECTION (PREVAILING) 135 135 135 180 180 180 180 180 180 180 135 135 180 PREVAILING WIND SPEED(KNOTS) 13.1 11.8 10.0 10.1 10.5 10.8 10.4 9.4 9.3 8.5 9.7 13.6 9.8 PREVAILING WIND PERCENT 14.3 15.9 12.0 13.9 17.2 18.3 20.2 18.8 17.3 13.6 13.1 23.2 13.8 CALMS PERCENT OF WIND 63.5 52.6 54.0 49.0 42.6 38.6 36.5 39.6 45.0 54.1 63.8 59.2 49.9 NO. OF WIND OBSERVATION 239.5 217.8 239.5 231.8 239.5 239.9 248.0 248.0 240.0 248.0 239.9 248.0 2879.9 VECTOR WIND DIRECTION (MEAN) 170 176 193 197 206 213 219 208 206 192 178 156 193 VECTOR WIND MAGNITUDE(KNOTS) 2.7 2.9 2.5 2.7 3.0 3.6 3.5 2.8 2.5 2.0 2.0 3.7 2.7 WIND STEADINESES (MEAN %) 75.0 69.0 64.1 65.9 63.8 66.7 67.3 60.9 61.0 62.5 66.7 82.2 64.3 WIND SPEED (MEAN KNOTS) 3.6 4.2 3.9 4.1 4.7 5.4 5.2 4.6 4.1 3.2 3.0 4.5 4.2 FASTEST WIND DIRECTION 150 180 190 200 240 200 180 130 190 190 140 140 190 FASTEST WIND SPEED (KNOTS) 39 43 45 43 45 39 39 29 29 39 35 39 45 YEAR-DAY 94- 4 95- 8 98-25 3-10 1-25 95-16 93-10 98-30 93- 4 93-28 94-20 93- 7 98 DAYS WITH SKY CLEAR (0-2)/8 10.5 9.8 9.7 8.3 14.4 17.9 17.2 20.5 20.9 18.5 12.2 11.6 171.5 DAYS WITH P.CLOUDY (3-6)/8 9.5 7.9 8.1 8.8 9.6 7.7 11.0 8.2 6.6 8.0 9.0 9.5 103.9 DAYS WITH CLOUDY (7-8)/8 11.1 10.5 13.2 12.9 7.0 4.4 2.8 2.3 2.5 4.5 8.8 9.9 89.9 DAYS WITH VISIBILITY =< 2 KM 5.3 5.1 6.7 3.9 0.7 0.7 0.1 0.5 0.5 1.0 3.9 4.9 33.3 DURATION OF SUNSHINE HOURS 149.5 155.5 178.9 200.5 280.7 293.3 307.2 306.3 271.3 241.3 164.8 151.9 2701.2 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1993-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 966.6 965.4 963.6 962.0 961.6 958.7 957.4 958.4 961.7 965.9 967.3 967.5 963.0 MAX. QFE PRESSURE IN HPA 985.7 983.0 981.4 980.2 978.0 971.6 968.3 970.7 972.7 981.6 983.1 985.7 985.7 YEAR-DAY 99- 2 98-22 2-10 94- 5 3- 1 93-22 96- 3 96-29 3-26 95-17 96-18 3-11 99- 2 MIN. QFE PRESSURE IN HPA 949.0 941.7 944.2 943.8 947.2 944.5 945.7 947.8 948.4 950.3 950.7 947.6 941.7 YEAR-DAY 0-20 1-21 98-30 2- 3 97- 4 95-30 98- 6 0- 3 96- 8 96-27 94-26 94- 3 1-21 MEAN QNH PRESSURE IN HPA 1020.7 1019.5 1017.6 1015.9 1015.5 1012.4 1011.1 1012.1 1015.5 1019.9 1021.4 1021.6 1016.9 MAX. QNH PRESSURE IN HPA 1040.7 1037.8 1036.2 1034.9 1032.6 1025.9 1022.5 1025.0 1027.1 1036.4 1037.9 1040.7 1040.7 YEAR-DAY 99- 2 98-22 2-10 94- 5 3- 1 93-22 96- 3 96-29 3-26 95-17 96-18 3-11 99- 2 MIN. QNH PRESSURE IN HPA 1002.3 994.7 997.3 996.9 1000.4 997.6 998.8 1001.0 1001.7 1003.7 1004.1 1000.8 994.7 YEAR-DAY 0-20 1-21 98-30 2- 3 97- 4 95-30 98- 6 0- 3 96- 8 96-27 94-26 94- 3 1-21 MEAN QFF PRESSURE IN HPA 1022.0 1020.3 1017.9 1015.2 1013.9 1009.9 1008.1 1008.9 1013.2 1018.8 1021.5 1022.4 1016.0 MAX. QFF PRESSURE IN HPA 1043.8 1040.6 1038.6 1036.7 1033.9 1025.1 1020.0 1022.7 1025.8 1037.9 1039.4 1043.6 1043.8 YEAR-DAY 99- 2 98-22 2-10 94- 5 3- 1 3- 6 96- 3 96-29 3-26 95-17 96-18 3-11 99- 2 MIN. QFF PRESSURE IN HPA 1002.0 993.2 995.7 995.6 997.1 992.9 995.5 996.6 997.7 1000.9 1003.8 1000.4 992.9 YEAR-DAY 0-21 1-21 98-30 97- 9 97- 4 95-30 98- 6 0- 3 96- 8 96-27 94-26 94- 3 95-30 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 966.4 964.6 963.0 961.6 961.5 958.7 957.6 958.3 961.5 965.5 967.0 967.4 962.8 MAX. QFE PRESSURE IN HPA 984.3 982.0 978.9 978.3 975.7 969.6 965.7 968.5 971.7 979.0 981.8 984.1 984.3 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-23 96- 3 96-29 3-23 95-18 96-18 3-12 99- 2 MIN. QFE PRESSURE IN HPA 949.8 947.1 945.1 948.2 948.2 944.5 945.7 949.4 949.6 950.5 951.6 948.0 944.5 YEAR-DAY 0-21 1-21 98-30 2- 4 98-22 95-30 98- 6 97-13 96- 8 96-27 94-26 94- 4 95-30 MEAN QNH PRESSURE IN HPA 1020.5 1018.6 1016.9 1015.4 1015.4 1012.4 1011.3 1012.1 1015.4 1019.5 1021.1 1021.5 1016.7 MAX. QNH PRESSURE IN HPA 1039.2 1036.8 1033.6 1032.9 1030.2 1023.8 1019.8 1022.7 1026.0 1033.7 1036.6 1039.0 1039.2 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-23 96- 3 96-29 3-23 95-18 96-18 3-12 99- 2 MIN. QNH PRESSURE IN HPA 1003.1 1000.3 998.2 1001.5 1001.5 997.6 998.8 1002.7 1002.9 1003.9 1005.0 1001.3 997.6 YEAR-DAY 0-21 1-21 98-30 2- 4 98-22 95-30 98- 6 97-13 96- 8 96-27 94-26 94- 4 95-30 MEAN QFF PRESSURE IN HPA 1021.7 1019.6 1017.3 1014.7 1013.7 1009.9 1008.2 1008.8 1012.9 1018.2 1021.1 1022.2 1015.7 MAX. QFF PRESSURE IN HPA 1042.4 1039.4 1035.5 1034.7 1031.4 1022.7 1017.4 1020.3 1024.6 1035.0 1037.9 1042.0 1042.4 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-23 96- 3 96-29 95-22 95-18 96-18 3-12 99- 2 MIN. QFF PRESSURE IN HPA 1002.9 999.1 995.7 1000.6 998.1 992.9 995.5 998.2 999.0 1000.9 1004.5 1001.2 992.9 YEAR-DAY 0-21 1-21 98-30 2- 4 98-22 95-30 98- 6 97-13 97- 2 96-27 1-18 94- 4 95-30 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 966.7 965.4 963.6 962.1 962.1 959.5 958.4 959.2 962.2 965.9 967.3 967.6 963.3 MAX. QFE PRESSURE IN HPA 985.0 980.9 980.9 979.5 976.6 970.7 967.6 969.5 972.4 980.4 981.9 983.5 985.0 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-22 96- 3 96-29 3-23 98- 9 96-16 3-12 99- 2 MIN. QFE PRESSURE IN HPA 950.0 946.0 944.2 948.7 948.9 946.6 948.6 949.4 949.6 950.3 950.7 948.6 944.2 YEAR-DAY 0-21 1-21 98-30 96-13 1- 9 95-30 98- 6 0- 3 96- 8 96-27 94-26 94- 4 98-30 MEAN QNH PRESSURE IN HPA 1020.8 1019.4 1017.6 1016.0 1015.9 1013.3 1012.1 1013.0 1016.1 1020.0 1021.4 1021.8 1017.3 MAX. QNH PRESSURE IN HPA 1039.9 1035.6 1035.6 1034.2 1031.1 1025.0 1021.7 1023.7 1026.8 1035.1 1036.7 1038.4 1039.9 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-22 96- 3 96-29 3-23 98- 9 96-16 3-12 99- 2 MIN. QNH PRESSURE IN HPA 1003.3 999.2 997.3 1002.0 1002.2 999.8 1001.9 1002.7 1002.9 1003.7 1004.1 1001.9 997.3 YEAR-DAY 0-21 1-21 98-30 96-13 1- 9 95-30 98- 6 0- 3 96- 8 96-27 94-26 94- 4 98-30 MEAN QFF PRESSURE IN HPA 1022.2 1020.7 1018.2 1015.5 1014.3 1010.7 1009.1 1009.9 1013.9 1019.0 1021.7 1022.7 1016.5 MAX. QFF PRESSURE IN HPA 1043.4 1038.4 1037.9 1036.0 1032.7 1023.8 1019.5 1021.6 1025.3 1036.5 1038.3 1041.6 1043.4 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-22 96- 3 96-29 3-27 98- 9 96-18 3-12 99- 2 MIN. QFF PRESSURE IN HPA 1003.4 998.0 995.7 999.8 999.6 995.5 998.5 998.3 999.5 1001.2 1003.8 1002.1 995.5 YEAR-DAY 0-21 1-21 98-30 96-13 1- 9 95-30 98- 6 0- 3 96- 8 96-27 94-26 94- 4 95-30 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1993-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 967.6 966.3 964.5 962.8 962.4 959.6 958.5 959.6 962.8 966.8 968.1 968.4 963.9 MAX. QFE PRESSURE IN HPA 985.7 981.4 980.9 980.2 977.8 971.5 968.3 970.7 972.7 981.4 983.1 984.4 985.7 YEAR-DAY 99- 2 94-18 97-11 94- 5 3- 1 93-22 96- 3 96-29 3-26 98- 9 96-18 2- 3 99- 2 MIN. QFE PRESSURE IN HPA 950.7 945.5 950.9 948.6 949.5 947.7 949.3 949.6 949.8 954.1 953.7 949.8 945.5 YEAR-DAY 0-21 1-21 1-24 96-13 1- 9 1- 6 98- 5 0- 3 96- 8 96-27 94-26 2-21 1-21 MEAN QNH PRESSURE IN HPA 1021.7 1020.4 1018.5 1016.7 1016.3 1013.4 1012.2 1013.4 1016.7 1020.9 1022.3 1022.6 1017.9 MAX. QNH PRESSURE IN HPA 1040.7 1036.2 1035.6 1034.9 1032.4 1025.8 1022.5 1025.0 1027.1 1036.2 1037.9 1039.3 1040.7 YEAR-DAY 99- 2 94-18 97-11 94- 5 3- 1 93-22 96- 3 96-29 3-26 98- 9 96-18 2- 3 99- 2 MIN. QNH PRESSURE IN HPA 1004.1 998.6 1004.3 1001.9 1002.8 1000.9 1002.6 1002.9 1003.1 1007.6 1007.2 1003.1 998.6 YEAR-DAY 0-21 1-21 1-24 96-13 1- 9 1- 6 98- 5 0- 3 96- 8 96-27 94-26 2-21 1-21 MEAN QFF PRESSURE IN HPA 1023.0 1021.3 1019.0 1016.0 1014.8 1010.9 1009.3 1010.3 1014.4 1019.8 1022.4 1023.4 1017.1 MAX. QFF PRESSURE IN HPA 1043.8 1038.8 1037.7 1036.7 1033.8 1025.1 1020.0 1022.7 1025.8 1037.5 1039.4 1042.3 1043.8 YEAR-DAY 99- 2 94-18 97-11 94- 5 3- 1 3- 6 96- 3 96-29 3-26 98- 9 96-18 2- 3 99- 2 MIN. QFF PRESSURE IN HPA 1003.8 997.5 1002.4 999.5 1000.2 996.9 999.4 998.6 999.2 1005.5 1006.3 1003.2 996.9 YEAR-DAY 0-21 1-21 1-24 96-13 1- 9 1-17 98- 5 0- 3 96- 8 96-27 2-12 2-21 1-17 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 966.6 965.6 963.9 962.2 961.7 958.7 957.5 958.6 961.7 965.9 967.2 967.3 963.1 MAX. QFE PRESSURE IN HPA 984.5 980.7 980.5 979.0 978.0 971.6 967.5 969.7 972.2 981.0 981.9 982.9 984.5 YEAR-DAY 99- 2 98-22 2-10 94- 5 3- 1 93-22 96- 3 96-29 3-26 98- 9 96-18 2- 3 99- 2 MIN. QFE PRESSURE IN HPA 949.2 943.5 950.5 947.6 948.9 947.3 948.0 948.6 949.4 953.4 953.4 948.8 943.5 YEAR-DAY 0-21 1-21 1-24 97- 5 1- 9 99-25 98- 5 0- 3 96- 8 98- 1 1-17 2-21 1-21 MEAN QNH PRESSURE IN HPA 1020.7 1019.6 1017.9 1016.1 1015.6 1012.5 1011.2 1012.3 1015.6 1019.9 1021.3 1021.4 1017.0 MAX. QNH PRESSURE IN HPA 1039.4 1035.4 1035.2 1033.7 1032.6 1025.9 1021.6 1023.9 1026.5 1035.8 1036.7 1037.7 1039.4 YEAR-DAY 99- 2 98-22 2-10 94- 5 3- 1 93-22 96- 3 96-29 3-26 98- 9 96-18 2- 3 99- 2 MIN. QNH PRESSURE IN HPA 1002.5 996.5 1003.9 1000.8 1002.2 1000.5 1001.3 1001.9 1002.7 1006.9 1006.9 1002.1 996.5 YEAR-DAY 0-21 1-21 1-24 97- 5 1- 9 99-25 98- 5 0- 3 96- 8 98- 1 1-17 2-21 1-21 MEAN QFF PRESSURE IN HPA 1021.8 1020.4 1018.1 1015.3 1013.9 1009.9 1008.2 1009.1 1013.2 1018.6 1021.3 1022.1 1016.0 MAX. QFF PRESSURE IN HPA 1042.5 1037.7 1037.1 1035.2 1033.9 1024.7 1019.0 1021.5 1025.2 1036.8 1037.8 1040.8 1042.5 YEAR-DAY 99- 2 94-18 2-10 94- 5 3- 1 93-22 96- 3 96-29 3-26 98- 9 96-18 2- 3 99- 2 MIN. QFF PRESSURE IN HPA 1002.0 995.1 1001.9 999.0 999.3 996.6 998.0 997.5 998.6 1003.6 1005.1 1001.5 995.1 YEAR-DAY 0-21 1-21 1-24 97- 5 1- 9 1-17 98- 5 0- 3 96- 8 98- 1 95-24 2-21 1-21 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 966.0 964.8 963.1 961.4 960.8 957.7 956.3 957.3 960.7 965.1 966.7 966.7 962.2 MAX. QFE PRESSURE IN HPA 982.3 981.1 981.2 977.1 977.5 971.3 966.3 968.2 971.2 981.1 981.0 983.6 983.6 YEAR-DAY 99- 2 98-22 2-10 94- 5 3- 1 93-22 96- 3 96-29 3-26 95-17 97- 7 3-11 3-11 MIN. QFE PRESSURE IN HPA 949.2 941.7 946.0 943.8 947.2 946.2 946.7 947.8 948.6 952.6 952.2 947.8 941.7 YEAR-DAY 0-21 1-21 3-26 2- 3 97- 4 1-17 98- 5 0- 3 96- 8 98- 1 1-17 2-21 1-21 MEAN QNH PRESSURE IN HPA 1020.0 1018.8 1017.1 1015.3 1014.7 1011.4 1009.9 1011.0 1014.5 1019.2 1020.8 1020.8 1016.1 MAX. QNH PRESSURE IN HPA 1037.1 1035.9 1036.0 1031.7 1032.1 1025.6 1020.4 1022.4 1025.5 1035.9 1035.8 1038.5 1038.5 YEAR-DAY 99- 2 98-22 2-10 94- 5 3- 1 93-22 96- 3 96-29 3-26 95-17 97- 7 3-11 3-11 MIN. QNH PRESSURE IN HPA 1002.5 994.7 999.2 996.9 1000.4 999.4 999.9 1001.0 1001.9 1006.1 1005.6 1001.0 994.7 YEAR-DAY 0-21 1-21 3-26 2- 3 97- 4 1-17 98- 5 0- 3 96- 8 98- 1 1-17 2-21 1-21 MEAN QFF PRESSURE IN HPA 1021.2 1019.5 1017.3 1014.5 1013.0 1008.8 1006.9 1007.8 1012.0 1017.8 1020.7 1021.5 1015.1 MAX. QFF PRESSURE IN HPA 1040.1 1038.2 1038.3 1033.0 1033.2 1024.4 1017.5 1020.0 1024.2 1037.0 1036.7 1041.2 1041.2 YEAR-DAY 99- 2 98-22 2-10 94- 5 3- 1 93-22 96- 3 96-29 3-26 95-17 96-18 3-11 3-11 MIN. QFF PRESSURE IN HPA 1002.1 993.2 999.5 995.7 997.1 995.5 996.6 996.8 997.7 1003.0 1004.0 1000.6 993.2 YEAR-DAY 0-21 1-21 3-26 2- 3 97- 4 1-17 98- 5 0- 3 96- 8 98- 1 95-24 2-21 1-21 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1993-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 966.6 965.4 963.5 961.6 960.9 957.6 956.2 957.3 960.9 965.8 967.4 967.5 962.6 MAX. QFE PRESSURE IN HPA 981.9 982.3 981.4 977.0 977.2 971.1 965.7 968.4 971.1 981.6 982.2 984.6 984.6 YEAR-DAY 96-10 98-22 2-10 1- 1 3- 1 93-22 96- 3 96-29 3-26 95-17 97- 7 3-11 3-11 MIN. QFE PRESSURE IN HPA 949.0 943.3 946.7 945.5 948.8 946.2 945.8 947.8 948.4 953.1 953.3 949.1 943.3 YEAR-DAY 0-20 1-21 3-19 2- 3 97- 4 1-17 98- 5 0- 3 96- 8 98- 1 95-11 94- 3 1-21 MEAN QNH PRESSURE IN HPA 1020.7 1019.5 1017.4 1015.5 1014.7 1011.3 1009.8 1011.0 1014.8 1019.8 1021.6 1021.7 1016.5 MAX. QNH PRESSURE IN HPA 1036.7 1037.1 1036.2 1031.6 1031.8 1025.4 1019.8 1022.6 1025.4 1036.4 1037.0 1039.5 1039.5 YEAR-DAY 96-10 98-22 2-10 1- 1 3- 1 93-22 96- 3 96-29 3-26 95-17 97- 7 3-11 3-11 MIN. QNH PRESSURE IN HPA 1002.3 996.3 999.9 998.6 1002.1 999.4 999.0 1001.0 1001.7 1006.6 1006.8 1002.4 996.3 YEAR-DAY 0-20 1-21 3-19 2- 3 97- 4 1-17 98- 5 0- 3 96- 8 98- 1 95-11 94- 3 1-21 MEAN QFF PRESSURE IN HPA 1022.1 1020.8 1018.0 1014.9 1013.1 1008.8 1006.8 1007.9 1012.6 1018.8 1021.8 1022.6 1015.7 MAX. QFF PRESSURE IN HPA 1039.7 1039.6 1038.6 1032.5 1032.9 1024.2 1017.0 1020.5 1024.6 1037.8 1038.1 1042.4 1042.4 YEAR-DAY 96-10 98-22 2-10 1- 1 3- 1 93-22 96- 3 96-29 3-26 95-17 97- 7 3-11 3-11 MIN. QFF PRESSURE IN HPA 1002.5 994.9 998.7 997.3 999.6 995.2 995.7 996.6 998.0 1004.0 1005.0 1002.5 994.9 YEAR-DAY 0-20 1-21 3-19 97- 9 1- 9 1-17 98- 5 0- 3 96- 8 98- 1 95-11 94- 3 1-21 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 966.8 965.5 963.9 962.4 962.0 958.9 957.5 958.4 961.8 966.3 967.6 967.7 963.2 MAX. QFE PRESSURE IN HPA 982.1 983.0 980.5 978.3 977.0 971.5 966.6 968.9 971.8 981.5 982.2 985.7 985.7 YEAR-DAY 99- 1 98-22 2-10 94- 4 3- 1 93-22 96- 3 96-29 3-22 95-17 97- 7 3-11 3-11 MIN. QFE PRESSURE IN HPA 949.3 943.8 947.4 944.7 950.8 946.1 946.0 949.6 949.0 953.7 953.4 947.6 943.8 YEAR-DAY 0-20 99-20 98-18 97- 9 1- 8 99-24 98- 5 0- 3 96- 8 96-26 94-25 94- 3 99-20 MEAN QNH PRESSURE IN HPA 1020.9 1019.6 1017.9 1016.3 1015.9 1012.6 1011.2 1012.1 1015.7 1020.3 1021.8 1021.9 1017.2 MAX. QNH PRESSURE IN HPA 1036.9 1037.8 1035.2 1032.9 1031.6 1025.8 1020.7 1023.1 1026.1 1036.3 1037.0 1040.7 1040.7 YEAR-DAY 99- 1 98-22 2-10 94- 4 3- 1 93-22 96- 3 96-29 3-22 95-17 97- 7 3-11 3-11 MIN. QNH PRESSURE IN HPA 1002.6 996.9 1000.6 997.8 1004.2 999.3 999.2 1002.9 1002.3 1007.2 1006.9 1000.8 996.9 YEAR-DAY 0-20 99-20 98-18 97- 9 1- 8 99-24 98- 5 0- 3 96- 8 96-26 94-25 94- 3 99-20 MEAN QFF PRESSURE IN HPA 1022.3 1020.8 1018.4 1015.6 1014.3 1010.1 1008.2 1009.1 1013.4 1019.3 1021.9 1022.7 1016.3 MAX. QFF PRESSURE IN HPA 1039.8 1040.6 1037.7 1034.8 1032.8 1024.7 1018.0 1021.1 1024.7 1037.9 1038.1 1043.6 1043.6 YEAR-DAY 99- 1 98-22 2-10 94- 4 3- 1 93-22 96- 3 96-29 3-26 95-17 96-15 3-11 3-11 MIN. QFF PRESSURE IN HPA 1002.5 995.3 998.2 995.6 1001.5 995.7 995.8 998.5 998.2 1004.4 1006.1 1000.4 995.3 YEAR-DAY 0-20 99-20 98-29 97- 9 98-21 95-29 98- 5 0- 3 96- 8 96-26 94-25 94- 3 99-20 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 966.5 965.2 963.4 961.9 961.7 958.7 957.5 958.3 961.6 965.9 967.3 967.4 963.0 MAX. QFE PRESSURE IN HPA 983.0 983.0 978.9 978.3 975.2 970.9 966.4 968.4 971.7 980.3 981.6 984.7 984.7 YEAR-DAY 99- 1 98-22 97-10 94- 4 3- 1 93-22 96- 3 96-29 3-22 95-17 97- 7 3-11 3-11 MIN. QFE PRESSURE IN HPA 950.3 945.1 946.5 945.6 948.9 944.5 945.9 948.5 949.4 951.7 952.5 947.8 944.5 YEAR-DAY 0-20 99-20 98-29 97- 9 1- 8 99-24 98- 5 2-15 96- 8 96-26 1-17 94- 3 99-24 MEAN QNH PRESSURE IN HPA 1020.6 1019.2 1017.3 1015.8 1015.6 1012.4 1011.2 1012.0 1015.5 1020.0 1021.4 1021.6 1016.9 MAX. QNH PRESSURE IN HPA 1037.8 1037.8 1033.6 1032.9 1029.7 1025.2 1020.5 1022.6 1026.0 1035.0 1036.4 1039.6 1039.6 YEAR-DAY 99- 1 98-22 97-10 94- 4 3- 1 93-22 96- 3 96-29 3-22 95-17 97- 7 3-11 3-11 MIN. QNH PRESSURE IN HPA 1003.7 998.2 999.7 998.7 1002.2 997.6 999.1 1001.8 1002.7 1005.1 1006.0 1001.0 997.6 YEAR-DAY 0-20 99-20 98-29 97- 9 1- 8 99-24 98- 5 2-15 96- 8 96-26 1-17 94- 3 99-24 MEAN QFF PRESSURE IN HPA 1021.8 1020.2 1017.7 1015.0 1013.9 1009.9 1008.1 1008.8 1013.1 1018.7 1021.4 1022.2 1015.9 MAX. QFF PRESSURE IN HPA 1040.9 1040.4 1035.9 1034.8 1030.9 1023.9 1017.8 1020.3 1024.5 1036.6 1037.6 1042.6 1042.6 YEAR-DAY 99- 1 98-22 2-10 94- 4 3- 1 93-22 96- 3 96-29 3-26 95-17 96-17 3-11 3-11 MIN. QFF PRESSURE IN HPA 1003.2 996.7 996.5 996.6 999.3 994.1 995.8 998.1 998.7 1002.1 1005.3 1001.1 994.1 YEAR-DAY 0-20 99-20 98-29 97- 9 98-21 95-29 98- 5 2-15 96- 8 96-26 1-17 94- 3 95-29 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 1 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 5.8 4.8 10.3 16.5 22.4 25.1 26.6 27.4 24.1 16.8 7.9 7.6 16.3 1994 7.0 3.7 9.4 15.9 21.5 23.2 25.9 26.4 22.2 17.1 13.8 6.2 16.0 1995 8.5 7.5 11.0 16.6 22.4 25.8 27.2 28.1 24.3 16.5 15.6 7.7 17.6 1996 5.0 6.4 7.1 13.0 22.0 24.4 28.4 28.2 25.4 18.4 11.3 11.6 16.8 1997 7.5 5.7 8.4 17.4 21.7 26.5 27.8 28.9 23.5 21.5 11.9 8.9 17.5 1998 5.1 4.9 10.9 17.4 21.5 28.6 27.9 28.4 24.2 18.5 14.8 11.1 17.8 1999 7.2 11.5 10.2 15.8 20.3 25.6 26.8 30.5 23.8 19.4 10.8 10.7 17.7 2000 5.6 7.7 9.7 20.8 21.9 25.2 29.3 29.5 24.8 16.8 10.9 9.6 17.6 2001 5.8 9.7 12.7 17.5 22.9 25.6 27.2 28.3 25.1 17.5 14.1 11.3 18.2 2002 7.5 8.8 12.8 13.8 18.6 25.2 28.9 27.8 26.1 22.1 13.7 4.8 17.5 2003 8.0 7.3 7.9 13.3 19.0 23.0 26.3 28.5 24.3 21.6 11.9 9.2 16.7 MEAN 6.6 7.1 10.0 16.2 21.3 25.3 27.5 28.4 24.3 18.7 12.4 9.0 17.2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 2 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF MINIMUM TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 2.1 1.2 5.5 11.1 15.5 19.6 21.7 22.4 19.5 12.7 5.3 4.3 11.7 1994 3.8 0.4 6.1 11.6 16.3 18.6 21.1 22.3 18.2 13.5 10.6 3.2 12.1 1995 5.2 4.4 7.1 12.9 16.7 19.9 22.7 23.4 20.2 12.8 11.1 4.5 13.4 1996 2.0 2.9 4.1 9.3 16.7 19.5 23.3 23.4 20.7 14.6 8.4 7.4 12.7 1997 4.4 2.5 4.4 12.2 16.6 20.3 22.9 23.6 19.2 17.3 8.8 6.2 13.2 1998 2.8 1.4 6.9 12.8 16.5 22.2 23.1 23.9 19.7 14.0 10.9 8.0 13.5 1999 4.2 7.3 6.7 11.3 14.8 19.9 21.5 25.0 19.2 15.5 7.4 6.9 13.3 2000 2.4 4.5 5.9 15.1 16.4 20.0 23.3 24.4 20.8 13.6 8.2 7.0 13.5 2001 3.1 5.8 8.5 12.8 17.3 19.9 22.6 24.1 20.8 14.0 10.9 7.8 14.0 2002 4.3 5.1 8.8 10.5 14.2 19.9 23.5 23.5 21.4 17.9 10.9 1.6 13.5 2003 4.6 4.6 4.5 9.4 14.0 17.8 21.9 23.1 19.5 17.3 8.4 6.4 12.6 MEAN 3.5 3.7 6.2 11.7 15.9 19.8 22.5 23.6 19.9 14.8 9.2 5.7 13.1 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 3 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF MAXIMUM TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 8.9 8.6 14.6 20.8 26.7 32.1 32.8 33.6 30.3 22.9 11.4 11.7 21.2 1994 11.1 8.3 13.4 21.0 27.9 29.4 32.0 32.1 27.6 22.0 18.1 10.1 21.1 1995 12.8 12.4 15.9 21.2 28.6 31.9 33.0 34.2 29.7 21.8 21.5 11.9 22.9 1996 9.5 11.6 11.0 17.9 28.3 30.8 34.9 34.6 31.8 23.9 15.6 16.6 22.2 1997 11.5 9.9 12.8 23.4 27.5 32.7 33.9 35.2 29.2 26.8 15.6 12.5 22.6 1998 8.3 9.3 15.4 22.4 27.0 35.1 33.6 34.0 29.8 24.0 19.9 14.9 22.8 1999 11.3 17.1 15.1 21.5 27.2 32.4 32.9 36.7 29.3 24.8 15.6 15.6 23.3 2000 9.3 11.7 14.5 27.3 28.1 31.2 35.4 35.7 30.0 21.3 14.9 13.2 22.7 2001 9.9 15.0 18.9 23.8 29.8 32.6 33.0 33.9 30.8 22.8 18.8 16.2 23.8 2002 11.7 13.8 17.7 18.2 24.1 31.4 35.5 33.6 31.9 27.9 18.0 8.8 22.7 2003 11.8 10.8 12.1 17.8 24.5 29.2 32.2 34.7 30.2 27.2 15.9 12.9 21.6 MEAN 10.6 11.7 14.7 21.4 27.2 31.7 33.6 34.4 30.0 24.1 16.9 13.1 22.5 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 4 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 6.8 7.4 9.1 9.7 11.2 12.5 11.1 11.2 10.8 10.2 6.1 7.4 9.5 1994 7.3 7.9 7.3 9.4 11.6 10.8 10.9 9.8 9.4 8.5 7.5 6.9 9.0 1995 7.6 8.0 8.8 8.3 11.9 12.0 10.3 10.8 9.5 9.0 10.4 7.4 9.5 1996 7.5 8.7 6.9 8.6 11.6 11.3 11.6 11.2 11.1 9.3 7.2 9.2 9.5 1997 7.1 7.4 8.4 11.2 10.9 12.4 11.0 11.6 10.0 9.5 6.8 6.3 9.4 1998 5.5 7.9 8.5 9.6 10.5 12.9 10.5 10.1 10.1 10.0 9.0 6.9 9.3 1999 7.1 9.8 8.4 10.2 12.4 12.5 11.4 11.7 10.1 9.3 8.2 8.7 10.0 2000 6.9 7.2 8.6 12.2 11.7 11.2 12.1 11.3 9.2 7.7 6.7 6.2 9.2 2001 6.8 9.2 10.4 11.0 12.5 12.7 10.4 9.8 10.0 8.8 7.9 8.4 9.8 2002 7.4 8.7 8.9 7.7 9.9 11.5 12.0 10.1 10.5 10.0 7.1 7.2 9.2 2003 7.2 6.2 7.6 8.4 10.5 11.4 10.3 11.6 10.7 9.9 7.5 6.5 9.0 MEAN 7.1 8.0 8.5 9.7 11.3 11.9 11.1 10.8 10.1 9.3 7.7 7.4 9.4 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 5 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF MEAN DAILY TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 5.5 4.9 10.0 16.0 21.1 25.9 27.3 28.0 24.9 17.8 8.4 8.0 16.5 1994 7.4 4.4 9.7 16.3 22.1 24.0 26.5 27.2 22.9 17.7 14.4 6.6 16.6 1995 9.0 8.4 11.5 17.0 22.6 25.9 27.8 28.8 25.0 17.3 16.3 8.2 18.2 1996 5.8 7.2 7.6 13.6 22.5 25.2 29.1 29.0 26.2 19.3 12.0 12.0 17.5 1997 8.0 6.2 8.6 17.8 22.1 26.5 28.4 29.4 24.2 22.1 12.2 9.4 17.9 1998 5.5 5.3 11.2 17.6 21.7 28.6 28.4 29.0 24.7 19.0 15.4 11.5 18.2 1999 7.7 12.2 10.9 16.4 21.0 26.1 27.2 30.9 24.2 20.2 11.5 11.3 18.3 2000 5.8 8.1 10.2 21.2 22.2 25.6 29.4 30.0 25.4 17.5 11.5 10.1 18.1 2001 6.5 10.4 13.7 18.3 23.6 26.2 27.8 29.0 25.8 18.4 14.9 12.0 18.9 2002 8.0 9.5 13.3 14.4 19.2 25.7 29.5 28.5 26.6 22.9 14.5 5.2 18.1 2003 8.2 7.7 8.3 13.6 19.3 23.5 27.1 28.9 24.8 22.2 12.2 9.6 17.1 MEAN 7.0 7.7 10.5 16.6 21.6 25.8 28.0 29.0 25.0 19.5 13.0 9.4 17.8 SD 1.25 2.41 1.94 2.24 1.36 1.34 0.99 0.96 1.04 2.05 2.29 2.24 1.68 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 6 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M TEMPERATURE RECORDS LOWEST IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 -2.0 -10.2 -0.4 3.4 6.4 15.0 17.8 18.6 14.2 7.2 -3.8 -0.4 -10.2 DAY 7 17 13 24 9 5 7 23 26 8 30 3 1994 -1.2 -5.0 2.4 1.4 9.6 13.0 18.0 20.4 15.8 7.4 6.4 -3.4 -5.0 DAY 22 10 2 5 7 6 2 9 16 25 12 6 1995 -0.6 0.4 3.2 7.0 13.4 14.6 20.0 20.8 11.6 3.6 2.2 -2.0 -2.0 DAY 25 24 3 7 26 24 6 21 22 18 26 18 1996 -2.8 -3.4 -1.6 2.8 8.6 15.4 19.6 18.8 13.8 10.0 3.0 1.8 -3.4 DAY 11 2 1 5 2 13 15 29 21 8 14 1 1997 -2.6 -4.0 -2.0 3.8 11.4 14.4 19.6 20.8 12.8 8.4 5.6 0.0 -4.0 DAY 29 8 9 12 6 4 7 22 15 31 7 20 1998 -1.0 -6.6 -1.8 4.4 8.2 16.4 20.8 19.0 14.4 5.2 5.6 2.2 -6.6 DAY 14 16 2 1 3 1 25 5 12 9 30 2 1999 -4.0 2.0 -1.0 6.6 8.4 16.2 15.2 21.4 11.6 6.8 1.8 2.6 -4.0 DAY 2 5 19 10 22 17 13 31 24 26 10 2 2000 -2.8 -1.8 -1.4 8.8 11.8 11.6 19.8 22.4 15.4 7.6 2.0 4.2 -2.8 DAY 15 8 16 1 11 13 14 9 25 16 11 15 2001 -4.0 0.8 -0.6 7.0 14.0 16.2 19.0 19.0 15.0 5.0 1.8 0.6 -4.0 DAY 24 6 10 2 3 1 18 28 20 26 20 22 2002 -4.2 -2.4 0.0 6.2 9.6 14.4 17.8 18.0 19.0 10.2 4.0 -4.2 -4.2 DAY 13 17 10 23 2 8 2 31 30 23 28 3 2003 0.2 -4.2 -2.2 4.2 4.8 9.4 18.8 20.2 13.4 11.8 3.6 -2.8 -4.2 DAY 21 18 2 29 1 6 26 4 26 21 23 12 1993-2003 -4.2 -10.2 -2.2 1.4 4.8 9.4 15.2 18.0 11.6 3.6 -3.8 -4.2 -10.2 YEAR-DAY 2-13 93-17 3- 2 94- 5 3- 1 3- 6 99-13 2-31 95-22 95-18 93-30 2- 3 93 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 7 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M TEMPERATURE RECORDS HIGHEST IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 19.2 18.0 24.8 33.0 33.0 42.0 38.6 38.0 37.2 36.6 24.6 21.0 42.0 DAY 29 27 8 19 26 28 24 11 3 1 9 23 1994 19.4 19.6 25.4 34.0 35.0 38.2 36.5 37.6 31.6 29.4 26.6 18.2 38.2 DAY 4 27 7 25 27 1 4 10 12 18 22 2 1995 21.0 22.6 28.5 32.6 35.0 41.6 38.2 43.6 36.6 32.6 30.8 19.8 43.6 DAY 16 8 25 11 21 29 26 12 9 3 8 29 1996 20.8 23.6 23.0 29.6 36.8 40.6 41.6 41.6 42.6 33.8 20.0 24.4 42.6 DAY 6 9 31 18 16 1 24 22 8 24 1 29 1997 21.8 20.4 25.6 33.0 40.0 38.0 39.6 43.6 39.0 34.6 25.6 22.2 43.6 DAY 10 18 24 24 28 12 29 12 1 2 4 9 1998 15.4 23.0 30.0 31.6 36.8 39.4 38.0 40.6 40.4 33.4 28.0 32.0 40.6 DAY 30 7 29 14 21 23 11 31 1 1 1 11 1999 20.4 25.0 25.6 33.6 38.6 37.6 38.2 43.6 35.6 35.0 25.6 23.6 43.6 DAY 15 20 26 30 27 2 30 5 2 11 19 30 2000 18.4 21.2 24.2 36.6 36.4 40.4 40.6 44.0 38.8 26.0 20.0 20.6 44.0 DAY 26 23 18 21 26 30 29 3 7 11 1 21 2001 19.2 24.6 29.0 32.6 42.6 41.2 39.0 39.0 37.0 35.4 27.4 24.0 42.6 DAY 10 28 24 6 15 23 26 2 26 6 6 30 2002 24.0 22.6 32.0 28.6 37.2 40.0 42.0 41.6 36.0 37.4 28.0 18.4 42.0 DAY 2 26 27 7 24 12 15 4 6 3 12 21 2003 21.4 22.8 25.4 34.8 33.2 36.2 39.0 41.2 37.6 33.8 29.0 26.4 41.2 DAY 13 3 7 7 31 13 13 12 5 29 10 19 1993-2003 24.0 25.0 32.0 36.6 42.6 42.0 42.0 44.0 42.6 37.4 30.8 32.0 44.0 YEAR-DAY 2- 2 99-20 2-27 0-21 1-15 93-28 2-15 0- 3 96- 8 2- 3 95- 8 98-11 0 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 8 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M 0C COOLING DEGREE DAYS (BASE 21) YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 0.0 0.0 0.0 14.0 48.0 149.4 193.8 216.8 122.1 11.1 0.0 0.0 755.4 1994 0.0 0.0 0.0 27.6 63.5 100.4 171.8 191.5 59.4 6.4 0.0 0.0 620.7 1995 0.0 0.0 0.4 17.5 58.0 152.2 211.2 242.5 139.4 11.1 8.4 0.0 840.8 1996 0.0 0.0 0.0 1.5 76.2 126.8 250.6 247.5 162.2 35.3 0.0 0.0 900.2 1997 0.0 0.0 0.0 21.5 73.3 169.9 229.3 260.7 99.7 60.4 0.0 0.0 914.8 1998 0.0 0.0 1.4 19.3 61.9 229.5 229.0 247.3 116.2 33.3 2.3 3.5 943.9 1999 0.0 0.0 0.0 5.4 55.8 154.1 193.4 305.7 113.9 35.3 0.0 0.0 863.6 2000 0.0 0.0 0.0 50.0 62.0 151.0 259.4 279.7 134.9 0.4 0.0 0.0 937.4 2001 0.0 0.0 3.9 18.1 92.6 157.3 211.7 247.2 148.6 20.5 1.0 0.0 901.0 2002 0.0 0.0 8.8 0.7 36.4 140.5 263.4 233.9 169.5 83.2 2.6 0.0 939.0 2003 0.0 0.0 0.0 20.8 30.8 88.6 188.3 246.0 118.1 55.0 0.3 0.0 747.9 MEAN 0.0 0.0 1.3 17.9 59.9 147.3 218.4 247.2 125.8 32.0 1.3 0.3 851.4 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 9 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M 0C HEATING DEGREE DAYS (BASE 18) YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 387.7 366.6 250.3 94.7 19.4 0.0 0.0 0.0 0.0 39.8 289.7 309.6 1757.9 1994 327.2 381.1 256.1 103.8 8.2 0.0 0.0 0.0 0.0 45.9 118.5 352.7 1593.5 1995 279.2 269.0 204.7 78.7 0.0 0.0 0.0 0.0 3.7 61.2 91.4 303.7 1291.6 1996 379.5 312.2 323.8 142.7 6.0 0.0 0.0 0.0 0.0 35.7 179.7 187.8 1567.3 1997 311.4 330.4 293.6 60.7 14.6 0.0 0.0 0.0 0.6 5.4 176.5 268.6 1461.8 1998 386.4 354.6 195.2 63.6 18.3 0.0 0.0 0.0 0.0 43.8 90.6 217.1 1369.5 1999 317.8 164.5 220.3 70.8 22.2 0.0 0.0 0.0 2.9 26.8 197.5 207.8 1230.5 2000 376.8 285.9 243.0 14.1 2.6 4.5 0.0 0.0 0.0 33.1 193.7 246.3 1400.0 2001 356.0 215.6 152.2 40.3 1.3 0.0 0.0 0.0 0.0 45.4 107.4 190.6 1108.8 2002 308.9 239.9 167.2 117.7 34.7 0.0 0.0 0.0 0.0 8.4 117.6 396.5 1390.9 2003 303.3 289.4 300.6 171.2 40.5 5.2 0.0 0.0 0.0 2.5 179.9 261.6 1554.2 MEAN 339.5 291.8 237.0 87.1 15.2 0.9 0.0 0.0 0.7 31.6 158.4 267.5 1429.7 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 10 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ***** 0.5 2.2 8.6 11.6 14.5 17.4 17.3 14.6 4.6 3.8 2.3 ****** 1994 1.2 -1.5 4.5 8.6 12.0 15.8 16.3 18.7 11.8 10.8 8.2 -0.4 8.8 1995 1.2 2.1 3.6 7.9 9.7 12.6 17.6 18.8 13.3 7.1 7.4 0.3 8.5 1996 0.0 0.2 3.5 7.6 12.9 15.1 17.4 16.6 13.8 8.3 5.7 3.2 8.7 1997 1.3 -0.7 1.8 6.3 11.7 14.6 18.2 16.3 12.9 10.3 6.0 1.6 8.4 1998 0.5 -0.5 3.2 9.9 10.5 13.2 17.2 17.9 13.4 7.2 7.2 4.5 8.7 1999 0.8 2.3 4.1 7.4 9.0 12.1 14.5 16.2 13.4 9.0 4.2 1.7 7.9 2000 -1.1 0.2 1.8 6.9 9.4 10.2 14.1 15.5 16.5 9.2 2.6 3.4 7.4 2001 -0.4 -1.4 3.5 8.3 11.0 14.1 16.4 17.6 13.6 9.8 5.8 4.2 8.5 2002 2.5 1.2 3.3 8.8 10.8 13.0 15.4 18.5 16.4 11.6 6.2 -1.8 8.8 2003 1.4 1.7 4.1 7.7 10.6 12.8 17.6 14.9 11.2 10.3 4.1 0.6 8.1 MEAN 0.7 0.4 3.2 8.0 10.8 13.5 16.6 17.1 13.7 8.9 5.6 1.8 8.4 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 11 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ***** 4.19 4.81 7.44 9.14 11.20 13.26 13.32 11.36 5.81 5.36 4.77 ***** 1994 4.44 3.67 5.59 7.64 9.41 12.08 12.36 14.48 9.41 8.62 7.23 4.06 8.25 1995 4.37 4.70 5.35 7.29 8.14 9.86 13.53 14.58 10.51 6.91 6.96 4.16 8.03 1996 4.07 4.17 5.20 6.99 10.01 11.63 13.40 12.96 10.70 7.30 6.09 5.08 8.13 1997 4.48 3.87 4.65 6.51 9.23 11.16 14.05 13.03 10.16 8.46 6.19 4.57 8.03 1998 4.16 3.95 5.18 8.22 8.55 10.42 13.21 14.04 10.53 7.00 6.71 5.58 8.13 1999 4.38 4.82 5.45 6.86 7.82 9.44 11.13 12.87 10.48 7.83 5.47 4.61 7.60 2000 3.81 4.13 4.72 6.79 7.96 8.64 11.03 12.23 12.68 7.77 4.91 5.18 7.49 2001 4.03 3.71 5.30 7.33 8.83 10.94 12.56 13.79 10.68 8.15 6.23 5.49 8.09 2002 4.91 4.42 5.31 7.53 8.56 10.13 11.87 14.41 12.65 9.27 6.43 3.61 8.26 2003 4.45 4.63 5.49 7.01 8.60 9.98 13.52 11.60 9.40 8.49 5.56 4.39 7.76 MEAN 4.31 4.21 5.19 7.24 8.75 10.50 12.72 13.39 10.78 7.78 6.10 4.68 7.97 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 12 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ***** 6.47 7.39 11.37 13.91 16.94 20.02 20.11 17.22 8.97 8.27 7.37 ***** 1994 6.84 5.66 8.59 11.68 14.31 18.25 18.63 21.78 14.38 13.23 11.06 6.26 12.56 1995 6.75 7.24 8.21 11.12 12.42 14.93 20.33 21.92 15.94 10.61 10.65 6.43 12.21 1996 6.29 6.43 7.99 10.71 15.22 17.60 20.21 19.55 16.20 11.19 9.41 7.82 12.38 1997 6.90 5.98 7.13 9.93 14.06 16.86 21.11 19.61 15.45 12.92 9.53 7.04 12.21 1998 6.41 6.09 7.92 12.53 13.02 15.79 19.90 21.15 15.98 10.74 10.32 8.62 12.37 1999 6.75 7.39 8.37 10.51 11.93 14.31 16.82 19.38 15.90 11.97 8.42 7.12 11.57 2000 5.86 6.37 7.25 10.36 12.13 13.12 16.67 18.45 19.18 11.92 7.59 7.99 11.41 2001 6.24 5.73 8.13 11.20 13.42 16.54 18.94 20.77 16.20 12.47 9.56 8.45 12.30 2002 7.56 6.81 8.14 11.48 13.05 15.34 17.93 21.66 19.16 14.15 9.89 5.57 12.56 2003 6.86 7.11 8.43 10.73 13.13 15.13 20.34 17.55 14.29 12.95 8.56 6.79 11.82 MEAN 6.65 6.48 7.96 11.06 13.33 15.89 19.17 20.18 16.35 11.92 9.39 7.22 12.13 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 13 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ***** 2.49 6.17 8.79 14.28 16.58 15.78 17.34 13.82 10.85 2.77 3.51 ***** 1994 3.62 2.70 3.80 7.81 12.54 11.41 15.59 13.34 12.83 6.84 5.24 3.65 8.28 1995 4.83 3.39 5.60 8.87 15.49 19.72 16.48 16.87 15.86 8.91 8.35 4.44 10.73 1996 2.80 3.83 2.51 5.06 12.60 14.19 19.58 19.92 17.65 11.01 4.35 6.44 10.00 1997 3.89 3.52 4.61 11.17 13.37 18.98 17.03 21.11 14.58 13.51 4.81 4.88 10.95 1998 2.58 3.20 6.18 8.52 13.77 24.53 18.56 18.55 15.22 11.56 7.10 5.42 11.27 1999 3.76 6.76 4.64 8.23 13.30 19.57 19.61 25.44 14.50 11.42 5.12 6.28 11.55 2000 3.62 4.49 5.39 15.37 15.23 20.64 25.08 23.86 12.82 7.49 5.75 4.26 12.00 2001 3.45 7.01 7.80 9.80 16.04 17.63 18.23 18.42 16.57 8.45 7.19 5.51 11.34 2002 3.35 5.25 7.64 4.87 9.67 17.99 23.23 16.84 15.31 13.53 6.36 3.41 10.62 2003 4.43 3.73 2.67 6.23 9.92 13.96 14.59 22.37 17.11 13.65 5.90 5.38 9.99 MEAN 3.63 4.22 5.18 8.61 13.29 17.75 18.52 19.46 15.11 10.66 5.72 4.84 10.58 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 14 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 *** 77 61 65 54 57 60 58 59 49 79 75 *** 1994 71 73 77 65 59 67 58 66 56 69 72 66 67 1995 65 72 65 64 48 48 58 60 55 58 61 64 60 1996 73 69 80 74 60 60 54 54 53 57 70 59 64 1997 68 67 67 53 57 52 59 52 56 53 70 65 60 1998 74 72 63 65 53 43 55 57 55 53 64 69 60 1999 68 58 69 62 54 46 50 47 56 56 68 59 58 2000 68 63 64 45 50 45 43 48 63 63 59 70 57 2001 68 53 60 60 53 54 55 56 52 64 62 65 59 2002 74 63 60 75 64 51 48 61 58 56 65 68 62 2003 68 73 80 75 61 56 62 48 49 53 64 61 63 MEAN 70 67 68 64 56 53 55 55 56 57 67 66 60 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 15 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 *** 88 75 78 72 79 78 80 78 67 92 89 *** 1994 87 91 93 84 78 85 76 84 72 83 86 81 83 1995 78 86 81 78 69 65 76 79 72 73 77 77 76 1996 87 83 94 90 82 81 72 75 74 71 82 75 81 1997 83 84 82 73 75 72 77 73 75 72 83 78 77 1998 88 88 77 80 71 63 73 76 72 69 82 84 77 1999 83 74 82 79 75 65 69 68 74 72 85 75 75 2000 81 80 80 64 70 65 60 69 82 78 73 83 74 2001 84 70 79 79 74 75 73 74 70 80 79 80 76 2002 88 79 75 89 81 70 67 78 77 75 78 81 78 2003 82 85 94 89 77 75 78 68 68 69 79 75 78 MEAN 84 83 83 80 75 72 73 75 74 74 81 80 78 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 16 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 *** 66 49 53 39 38 40 36 40 33 64 59 *** 1994 54 56 61 51 42 52 40 46 39 53 60 52 51 1995 51 58 49 52 34 31 41 40 40 42 47 51 45 1996 58 56 68 58 41 42 35 34 35 43 59 47 48 1997 53 52 52 36 40 35 39 33 38 38 57 52 44 1998 61 55 48 49 39 26 37 39 37 38 50 54 44 1999 56 44 56 44 36 29 33 28 40 40 52 45 42 2000 55 48 47 28 32 29 29 29 45 49 45 56 41 2001 54 39 44 44 34 39 36 40 36 51 47 51 43 2002 59 44 45 61 48 35 30 42 41 39 53 55 46 2003 56 60 62 59 45 39 44 29 29 37 51 46 46 MEAN 56 53 53 49 39 36 37 36 38 42 53 52 45 RH=0 =====> RELATIVE HUMIDITY < 0.5% =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 17 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF RELATIVE HUMIDITY AT 03 UTC. IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 *** 83 68 73 69 68 73 76 72 58 82 76 *** 1994 70 77 76 73 69 76 72 79 65 75 75 71 73 1995 66 76 70 68 59 58 73 74 66 65 67 65 67 1996 76 73 85 78 71 70 67 66 64 62 75 61 71 1997 73 71 71 64 67 65 75 66 69 60 71 65 68 1998 75 78 68 71 63 56 68 68 66 61 73 72 68 1999 70 63 77 67 65 59 63 59 68 60 74 62 66 2000 71 68 68 53 61 57 54 61 77 72 66 70 65 2001 69 59 64 67 64 66 68 69 62 72 64 70 66 2002 76 64 62 79 75 60 63 73 73 64 66 69 69 2003 71 75 83 78 70 67 73 60 63 61 66 65 69 MEAN 72 72 72 70 67 64 68 68 68 65 71 68 69 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 18 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF RELATIVE HUMIDITY AT 09 UTC. IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 *** 73 55 60 47 49 47 44 48 39 70 71 *** 1994 68 65 71 57 48 57 46 53 44 60 68 60 58 1995 63 64 59 59 39 38 48 49 47 49 54 59 52 1996 65 64 73 69 51 50 43 40 41 49 64 54 55 1997 65 63 62 43 47 43 46 42 46 44 64 62 52 1998 71 67 58 56 45 31 44 46 42 42 56 65 52 1999 61 51 63 50 46 35 38 35 47 47 61 55 49 2000 64 58 58 32 37 36 34 36 52 54 51 66 48 2001 61 45 54 51 40 43 45 47 40 57 56 58 50 2002 69 62 54 69 54 41 37 49 45 46 60 64 54 2003 63 69 73 68 51 46 50 36 36 44 58 55 54 MEAN 65 62 62 56 46 43 43 43 44 48 60 61 53 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 19 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF RELATIVE HUMIDITY AT 15 UTC. IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 *** 78 62 65 51 47 48 43 49 44 80 76 *** 1994 74 76 79 63 51 58 46 54 49 69 72 69 63 1995 67 73 65 63 43 40 45 47 50 56 62 66 56 1996 75 71 79 71 53 50 42 43 47 54 71 59 60 1997 68 65 70 48 49 41 47 39 46 51 74 67 55 1998 75 71 63 67 47 31 43 53 51 48 61 70 57 1999 70 59 66 61 46 35 41 35 49 56 68 61 54 2000 70 65 66 43 39 35 32 35 55 60 57 72 52 2001 71 51 61 58 44 44 40 45 45 61 65 66 54 2002 75 68 59 73 56 41 34 51 50 53 67 69 58 2003 69 74 78 77 59 45 52 35 41 49 65 62 59 MEAN 71 68 68 63 49 42 43 44 48 55 67 67 57 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 20 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF DAYS WITH MAXIMUM TEMPERATURE EQUAL 30 AND ABOVE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 0 0 0 3 8 19 28 26 17 1 0 0 102 1994 0 0 0 4 10 14 26 23 6 0 0 0 83 1995 0 0 0 4 11 21 28 29 18 2 1 0 114 1996 0 0 0 0 11 18 29 26 21 6 0 0 111 1997 0 0 0 4 9 23 29 31 10 10 0 0 116 1998 0 0 1 4 7 29 28 28 15 5 0 1 118 1999 0 0 0 1 10 23 26 31 16 2 0 0 109 2000 0 0 0 9 11 20 31 30 14 0 0 0 115 2001 0 0 0 5 15 20 28 28 22 2 0 0 120 2002 0 0 2 0 6 16 30 25 25 12 0 0 116 2003 0 0 0 4 3 16 22 31 14 7 0 0 97 MEAN 0.0 0.0 0.3 3.5 9.2 19.9 27.7 28.0 16.2 4.3 0.1 0.1 109.3 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 21 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF DAYS WITH MAXIMUM TEMPERATURE EQUAL 00 AND BELOW YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 1 0 0 0 0 0 0 0 0 0 0 1 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 22 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF DAYS WITH MINIMUM TEMPERATURE EQUAL 21 AND ABOVE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 0 0 0 0 1 6 19 27 10 0 0 0 63 1994 0 0 0 1 2 3 21 28 1 0 0 0 56 1995 0 0 0 1 1 9 28 30 19 1 0 0 89 1996 0 0 0 0 3 6 29 26 16 4 0 0 84 1997 0 0 0 2 2 13 28 30 9 5 0 0 89 1998 0 0 0 1 2 25 30 27 8 1 0 0 94 1999 0 0 0 0 1 9 21 31 10 2 0 0 74 2000 0 0 0 1 0 13 28 31 15 0 0 0 88 2001 0 0 0 0 4 10 23 28 19 1 0 0 85 2002 0 0 1 0 2 12 25 26 18 5 0 0 89 2003 0 0 0 3 1 2 25 29 10 2 0 0 72 MEAN 0.0 0.0 0.1 0.8 1.7 9.8 25.2 28.5 12.3 1.9 0.0 0.0 80.3 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 23 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF DAYS WITH MINIMUM TEMPERATURE EQUAL -4 AND BELOW YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 0 2 0 0 0 0 0 0 0 0 0 0 2 1994 0 4 0 0 0 0 0 0 0 0 0 0 4 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 1 0 0 0 0 0 0 0 0 0 0 1 1998 0 2 0 0 0 0 0 0 0 0 0 0 2 1999 1 0 0 0 0 0 0 0 0 0 0 0 1 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 1 0 0 0 0 0 0 0 0 0 0 0 1 2002 1 0 0 0 0 0 0 0 0 0 0 1 2 2003 0 1 0 0 0 0 0 0 0 0 0 0 1 MEAN 0.3 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.3 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 24 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF DAYS WITH MINIMUM TEMPERATURE EQUAL 00 AND BELOW YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 9 6 2 0 0 0 0 0 0 0 2 1 20 1994 3 12 0 0 0 0 0 0 0 0 0 9 24 1995 1 0 0 0 0 0 0 0 0 0 0 2 3 1996 10 10 3 0 0 0 0 0 0 0 0 0 23 1997 4 8 5 0 0 0 0 0 0 0 0 1 18 1998 4 13 3 0 0 0 0 0 0 0 0 0 20 1999 4 0 2 0 0 0 0 0 0 0 0 0 6 2000 7 2 2 0 0 0 0 0 0 0 0 0 11 2001 9 0 2 0 0 0 0 0 0 0 0 0 11 2002 3 4 1 0 0 0 0 0 0 0 0 10 18 2003 0 3 3 0 0 0 0 0 0 0 0 3 9 MEAN 4.9 5.3 2.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 2.4 14.9 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 25 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MONTHLY TOTAL OF PRECIPITATION IN MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 27.6 45.4 48.1 39.8 1.6 12.0 28.2 3.0 2.2 8.0 57.8 23.8 297.5 1994 54.0 65.3 63.9 12.8 6.5 10.9 0.0 2.3 85.6 42.8 50.0 40.0 434.1 1995 29.9 23.3 38.5 37.0 0.1 39.0 8.5 18.2 40.3 34.2 44.5 20.2 333.7 1996 10.6 44.8 49.7 41.9 15.4 27.1 53.5 14.6 4.2 54.7 42.1 10.4 369.0 1997 34.4 24.7 56.6 11.5 57.0 74.8 1.5 1.9 4.1 70.3 42.6 64.8 444.2 1998 61.0 47.7 43.8 42.4 39.6 18.1 6.6 53.6 8.9 23.7 14.6 14.3 374.3 1999 43.5 29.3 28.0 32.3 20.8 1.0 44.8 1.8 43.8 39.0 47.8 10.7 342.8 2000 45.7 38.5 22.0 5.1 1.6 19.6 0.0 10.4 54.6 29.4 8.8 46.3 282.0 2001 14.5 25.2 67.5 14.1 10.8 1.0 16.5 10.1 0.9 30.0 33.8 19.6 244.0 2002 45.4 37.8 28.2 90.2 9.9 0.7 34.3 23.6 0.0 45.4 16.8 50.8 383.1 2003 15.2 58.3 80.7 81.3 34.2 30.4 1.6 0.8 0.7 16.7 57.0 37.3 414.2 MEAN 34.7 40.0 47.9 37.1 18.0 21.3 17.8 12.8 22.3 35.8 37.8 30.7 356.2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 26 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M GREATEST DAILY OF PRECIPITATION IN MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 10.0 10.0 14.0 15.0 1.0 4.0 21.0 2.0 2.0 8.0 12.1 6.2 21.0 DAY 15 16 9 14 28 2 22 23 25 29 3 8 1994 15.0 22.0 16.0 6.0 5.0 6.3 0.0 1.0 62.6 9.0 19.0 13.5 62.6 DAY 17 9 27 3 6 5 ** 26 14 15 9 4 1995 8.0 11.0 19.0 11.6 0.1 38.9 7.4 18.0 21.0 12.0 27.8 7.4 38.9 DAY 6 24 18 16 1 23 6 14 21 13 26 7 1996 3.2 12.2 14.7 17.3 6.0 14.0 48.5 13.0 2.0 27.4 23.1 8.0 48.5 DAY 8 11 13 15 21 26 14 29 20 15 11 15 1997 9.9 8.7 14.2 6.1 22.0 65.0 1.0 1.0 2.2 30.0 12.0 30.0 65.0 DAY 11 6 26 10 5 1 19 22 15 7 6 11 1998 14.9 10.0 11.2 19.0 13.0 11.0 3.6 19.0 4.4 10.0 8.0 6.0 19.0 DAY 6 8 19 24 1 30 14 9 11 20 28 24 1999 12.3 18.3 8.2 16.0 11.0 0.7 26.0 1.0 19.9 30.0 17.2 3.0 30.0 DAY 1 21 13 9 11 22 25 8 23 13 28 16 2000 17.0 14.0 6.7 4.0 0.7 10.0 0.0 10.4 22.0 7.0 7.6 14.0 22.0 DAY 28 14 15 23 15 12 ** 8 11 23 10 1 2001 5.0 6.2 21.0 5.3 6.0 1.0 7.0 6.0 0.4 13.7 16.2 11.2 21.0 DAY 15 15 26 18 22 20 17 11 5 20 28 21 2002 14.0 13.0 10.0 17.0 5.6 0.7 17.0 7.0 0.0 30.4 5.3 13.9 30.4 DAY 8 5 10 13 4 30 27 1 ** 31 14 22 2003 5.7 12.0 27.2 22.0 18.6 26.0 1.5 0.6 0.4 14.7 26.0 14.0 27.2 DAY 29 27 8 12 25 6 25 16 11 5 14 10 1993-2003 17.0 22.0 27.2 22.0 22.0 65.0 48.5 19.0 62.6 30.4 27.8 30.0 65.0 YEAR-DAY 0-28 94- 9 3- 8 3-12 97- 5 97- 1 96-14 98- 9 94-14 2-31 95-26 97-11 97 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 27 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF DAYS WITH PRECIPITATION EQUAL TO OR GREATER THAN 10 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 1 1 2 2 0 0 1 0 0 0 2 0 9 1994 2 2 2 0 0 0 0 0 2 0 1 2 11 1995 0 1 1 1 0 1 0 1 1 2 2 0 10 1996 0 1 1 1 0 1 1 1 0 3 2 0 11 1997 0 0 1 0 3 1 0 0 0 3 2 2 12 1998 1 1 2 2 2 1 0 3 0 1 0 0 13 1999 3 2 0 1 1 0 2 0 2 1 2 0 14 2000 2 2 0 0 0 1 0 1 3 0 0 1 10 2001 0 0 2 0 0 0 0 0 0 2 2 1 7 2002 2 1 1 4 0 0 2 0 0 2 0 1 13 2003 0 3 2 3 1 1 0 0 0 1 2 1 14 MEAN 1.0 1.3 1.3 1.3 0.6 0.5 0.5 0.5 0.7 1.4 1.4 0.7 11.2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 28 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF DAYS WITH PRECIPITATION EQUAL TO OR GREATER THAN 5 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 3 4 4 3 0 0 2 0 0 1 4 3 24 1994 3 5 4 1 1 1 0 0 2 4 5 3 29 1995 1 1 2 4 0 1 1 1 3 3 2 1 20 1996 0 4 2 3 2 2 2 1 0 3 2 1 22 1997 3 1 5 2 3 1 0 0 0 3 4 4 26 1998 6 4 4 3 4 2 0 3 0 2 2 1 31 1999 3 2 2 3 2 0 3 0 3 2 3 0 23 2000 4 3 1 0 0 2 0 1 3 3 1 4 22 2001 1 2 5 1 1 0 2 1 0 2 3 2 20 2002 3 3 3 6 1 0 2 3 0 2 1 6 30 2003 1 5 6 6 2 1 0 0 0 1 4 3 29 MEAN 2.5 3.1 3.5 2.9 1.5 0.9 1.1 0.9 1.0 2.4 2.8 2.5 25.1 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 29 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF DAYS WITH PRECIPITATION EQUAL TO OR GREATER THAN 1 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 6 8 7 6 1 5 4 1 1 1 12 6 58 1994 9 10 11 3 2 4 0 1 4 11 8 7 70 1995 7 4 8 6 0 1 2 1 4 5 3 6 47 1996 4 8 13 7 3 4 2 2 1 4 3 3 54 1997 6 7 10 2 4 4 1 1 2 4 6 5 52 1998 11 9 6 4 5 3 2 5 4 4 2 4 59 1999 6 2 7 4 3 0 4 1 4 3 9 3 46 2000 5 4 5 1 0 2 0 1 5 8 2 8 41 2001 4 6 9 6 3 1 3 2 0 5 4 4 47 2002 7 6 5 11 2 0 3 6 0 3 5 8 56 2003 4 11 11 13 5 2 1 0 0 2 5 7 61 MEAN 6.3 6.8 8.4 5.7 2.5 2.4 2.0 1.9 2.3 4.5 5.4 5.5 53.7 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 30 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 9 15 10 10 4 7 5 3 2 2 14 10 91 1994 12 14 18 6 5 5 0 4 4 12 9 8 97 1995 12 10 10 9 1 2 3 2 5 6 3 11 74 1996 10 11 17 16 4 8 2 6 4 7 4 4 93 1997 12 12 15 6 5 6 3 2 5 5 6 8 85 1998 15 14 9 5 9 7 3 7 5 9 4 6 93 1999 8 4 10 9 9 2 9 2 8 5 15 6 87 2000 8 10 13 5 5 5 2 1 8 10 3 12 82 2001 9 6 12 10 7 3 5 6 3 10 8 6 85 2002 9 10 9 19 10 3 4 8 0 4 10 11 97 2003 8 18 16 14 6 4 5 4 4 6 11 12 108 MEAN 10.2 11.3 12.6 9.9 5.9 4.7 3.7 4.1 4.4 6.9 7.9 8.5 90.1 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 31 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF DAYS WITH THUNDER STORM YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 0 0 0 0 0 0 3 0 1 0 0 0 4 1994 0 0 0 0 0 0 0 0 0 1 0 0 1 1995 0 0 1 0 0 2 0 0 0 0 0 0 3 1996 0 0 0 0 1 1 0 0 1 1 0 0 4 1997 0 0 0 0 1 5 2 0 0 3 0 0 11 1998 2 0 0 1 4 1 0 5 3 1 0 0 17 1999 0 0 0 0 0 0 4 2 0 2 0 0 8 2000 0 0 0 2 0 0 0 2 2 0 0 0 6 2001 0 0 1 1 3 0 1 2 2 1 0 0 11 2002 0 0 0 1 2 1 3 2 0 2 0 0 11 2003 0 1 0 2 1 2 0 0 0 1 0 0 7 MEAN 0.2 0.1 0.2 0.6 1.1 1.1 1.2 1.2 0.8 1.1 0.0 0.0 7.6 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 32 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF DAYS WITH SNOW OR SLEET YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 5 5 1 0 0 0 0 0 0 0 4 3 18 1994 2 7 0 0 0 0 0 0 0 0 0 4 13 1995 2 1 0 0 0 0 0 0 0 0 0 2 5 1996 8 5 6 0 0 0 0 0 0 0 1 0 20 1997 6 6 5 0 0 0 0 0 0 0 0 2 19 1998 6 13 0 0 0 0 0 0 0 0 0 0 19 1999 1 0 1 0 0 0 0 0 0 0 0 0 2 2000 2 1 1 0 0 0 0 0 0 0 1 0 5 2001 5 0 2 0 0 0 0 0 0 0 0 0 7 2002 2 5 1 0 0 0 0 0 0 0 0 7 15 2003 1 4 2 0 0 0 0 0 0 0 0 2 9 MEAN 3.6 4.3 1.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 1.8 11.9 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 33 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF DAYS WITH DUST YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 0 0 0 0 0 0 0 0 1 2 0 0 3 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 1 0 0 0 1 1 0 3 1996 0 0 0 0 1 0 0 0 0 1 0 0 2 1997 0 0 0 3 3 2 1 0 3 2 0 0 14 1998 0 0 1 0 0 1 0 1 0 1 1 2 7 1999 0 0 0 0 1 2 0 1 0 1 0 0 5 2000 0 0 0 2 7 5 3 2 1 0 0 0 20 2001 1 1 2 3 8 6 2 4 5 2 2 0 36 2002 2 1 2 1 0 7 0 0 2 3 1 0 19 2003 0 0 0 2 2 4 1 2 4 1 0 1 17 MEAN 0.3 0.2 0.5 1.0 2.0 2.5 0.6 0.9 1.5 1.3 0.5 0.3 11.6 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 34 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M PREVAILING WIND DIRECTION , SPEED (IN KNOTS) AND PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 180 135 270 270 225 180 225 180 270 180 225 135 180 PREVAIL. DIRECT. 7.6 10.8 5.4 3.9 9.4 9.2 8.4 8.6 5.6 8.5 13.3 14.2 9.1 PREVAIL. SPEED 16.8 11.4 16.8 15.3 18.1 23.4 20.2 18.1 15.4 17.7 9.2 18.1 13.9 PREVAIL. PERCENT 48.4 54.3 43.9 56.0 48.4 35.1 26.6 40.3 36.7 46.4 69.2 60.1 46.5 CALMS PERCENT 155 140 155 150 155 239 248 248 240 248 240 248 2466 WIND OBSER. NO. 1994 135 270 135 180 180 180 180 180 180 180 135 135 180 PREVAIL. DIRECT. 14.7 4.8 13.2 10.2 11.3 10.5 11.2 7.6 7.8 7.7 13.2 10.7 9.5 PREVAIL. SPEED 16.9 10.3 10.1 11.7 15.7 15.8 23.0 20.2 21.7 13.3 15.9 21.0 13.1 PREVAIL. PERCENT 55.6 64.3 60.9 52.5 39.1 39.2 29.8 39.1 33.3 56.5 61.9 55.6 48.9 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 239 248 2919 WIND OBSER. NO. 1995 135 135 135 180 180 180 180 225 270 135 135 135 135 PREVAIL. DIRECT. 13.4 6.7 7.3 9.1 8.3 11.1 8.4 7.6 4.1 4.6 7.8 14.6 8.9 PREVAIL. SPEED 20.6 14.7 16.5 17.1 19.4 20.0 23.8 17.7 15.4 19.0 26.3 32.3 15.8 PREVAIL. PERCENT 51.6 47.3 46.8 44.2 31.5 25.8 31.0 32.7 37.1 37.5 42.1 51.6 39.9 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1996 135 270 270 180 180 180 180 180 180 135 180 135 180 PREVAIL. DIRECT. 6.7 4.3 3.9 7.6 7.5 10.0 10.3 8.9 10.9 6.0 6.4 10.6 8.6 PREVAIL. SPEED 12.5 14.7 12.1 16.3 18.1 20.8 22.2 25.4 14.6 15.3 13.8 32.7 15.1 PREVAIL. PERCENT 65.7 50.4 55.2 42.5 37.5 32.1 31.9 25.4 43.3 42.3 60.0 43.1 44.1 CALMS PERCENT 248 232 248 240 248 240 248 248 240 248 240 248 2928 WIND OBSER. NO. 1997 135 135 180 180 180 180 270 180 180 180 135 135 180 PREVAIL. DIRECT. 12.7 11.6 10.4 10.7 11.4 10.3 5.6 9.1 10.1 8.6 9.9 12.4 10.1 PREVAIL. SPEED 15.3 18.3 18.5 19.2 16.1 21.7 22.2 16.1 21.3 14.1 9.2 22.2 15.0 PREVAIL. PERCENT 60.1 44.6 40.3 45.0 43.5 41.3 27.4 39.5 41.3 54.8 70.4 54.4 46.9 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1998 180 270 135 135 180 180 180 180 180 135 135 135 180 PREVAIL. DIRECT. 9.3 5.1 10.9 8.7 10.8 10.4 10.5 8.9 8.3 6.2 6.7 13.7 9.5 PREVAIL. SPEED 14.5 10.7 14.1 14.6 21.4 17.1 25.8 21.8 20.8 10.5 7.5 15.3 14.6 PREVAIL. PERCENT 56.0 58.5 44.8 47.5 40.7 42.1 31.5 38.3 46.7 63.3 77.5 72.2 51.5 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1999 135 135 135 180 180 180 180 180 180 135 135 135 180 PREVAIL. DIRECT. 16.4 14.0 11.0 12.8 12.2 12.0 11.5 10.8 9.9 6.5 10.4 12.1 11.1 PREVAIL. SPEED 10.1 23.7 14.5 15.8 18.5 22.9 22.2 14.9 14.2 12.9 16.7 21.0 13.4 PREVAIL. PERCENT 73.8 50.9 60.9 50.0 41.1 38.8 40.7 47.6 52.9 61.7 61.3 68.1 54.0 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 2000 135 135 135 135 180 180 180 180 180 180 135 135 180 PREVAIL. DIRECT. 15.9 10.6 8.9 5.8 10.9 11.8 11.0 11.1 8.8 7.2 7.7 13.6 10.2 PREVAIL. SPEED 19.4 23.7 10.5 18.3 14.9 12.9 19.4 18.5 12.9 12.1 13.8 19.0 12.7 PREVAIL. PERCENT 65.3 52.2 60.9 41.3 45.6 44.6 38.3 41.1 59.2 67.3 65.8 69.4 54.3 CALMS PERCENT 248 232 248 240 248 240 248 248 240 248 240 248 2928 WIND OBSER. NO. 2001 135 135 135 135 180 225 180 180 180 270 135 135 180 PREVAIL. DIRECT. 7.7 11.3 8.6 5.9 11.6 11.9 10.0 8.2 10.4 6.8 15.5 16.1 10.2 PREVAIL. SPEED 11.7 19.6 12.9 12.5 13.3 15.0 16.1 16.5 12.9 8.9 17.1 27.8 11.7 PREVAIL. PERCENT 73.8 50.9 58.5 57.1 47.6 47.9 51.6 45.2 59.2 71.4 63.3 52.8 56.6 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 2002 135 225 135 225 180 225 180 180 180 135 135 135 180 PREVAIL. DIRECT. 15.3 10.6 10.6 12.0 10.7 11.3 10.8 9.8 9.0 7.1 7.2 14.2 10.1 PREVAIL. SPEED 7.7 12.5 14.1 17.1 18.1 22.9 15.3 18.5 16.7 19.8 12.5 20.2 12.4 PREVAIL. PERCENT 74.6 54.5 58.1 52.1 48.4 33.8 41.5 49.2 53.3 46.4 68.3 66.9 53.9 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 2003 135 135 270 225 180 180 180 180 180 180 180 135 180 PREVAIL. DIRECT. 13.6 15.6 8.0 10.6 11.6 11.2 10.3 12.2 11.5 10.6 8.1 16.7 11.3 PREVAIL. SPEED 15.7 17.4 14.1 12.9 20.2 18.3 16.5 19.4 25.4 21.0 12.1 25.4 14.4 PREVAIL. PERCENT 67.7 51.8 60.1 53.8 47.2 44.2 51.2 37.5 32.5 48.0 62.1 56.9 51.1 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1993-2003 135 135 135 180 180 180 180 180 180 180 135 135 180 PREVAIL. DIRECT. 13.1 11.8 10.0 10.1 10.5 10.8 10.4 9.4 9.3 8.5 9.7 13.6 9.8 PREVAIL. SPEED 14.3 15.9 12.0 13.9 17.2 18.3 20.2 18.8 17.3 13.6 13.1 23.2 13.8 PREVAIL. PERCENT MEAN 63.5 52.6 54.0 49.0 42.6 38.6 36.5 39.6 45.0 54.1 63.8 59.2 49.9 CALMS PERCENT MEAN 239.5 217.8 239.5 231.8 239.5 239.9 248.0 248.0 240.0 248.0 239.9 248.0 2879.9 WIND OBSER. NO. =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 35 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M VECTOR WIND DIRECTION , MAGNITUDE (IN KNOTS) AND WIND STEADINESES (%) YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 164 185 199 216 224 205 221 215 219 196 210 157 200 VECTOR DIRECT. 3.4 1.9 3.0 1.0 2.8 3.3 3.7 2.6 2.6 2.2 1.8 3.2 2.4 WIND MAGNITUDE 77.3 59.4 63.8 45.5 71.8 68.7 69.8 66.7 60.5 59.5 66.7 82.1 61.5 STEADINESES(%) 1994 175 187 183 198 207 214 213 217 190 183 165 164 193 VECTOR DIRECT. 3.2 1.8 2.7 1.9 3.1 3.2 4.7 2.5 2.6 1.6 2.5 2.7 2.6 WIND MAGNITUDE 72.7 60.0 71.1 57.6 70.5 66.7 78.3 67.6 59.1 64.0 71.4 71.1 65.0 STEADINESES(%) 1995 164 188 179 178 201 213 217 215 194 200 174 150 188 VECTOR DIRECT. 4.0 2.2 1.9 2.8 2.4 4.2 3.5 3.0 1.8 2.2 3.2 4.9 2.8 WIND MAGNITUDE 81.6 66.7 63.3 73.7 52.2 70.0 74.5 71.4 52.9 62.9 74.4 89.1 65.1 STEADINESES(%) 1996 179 185 202 195 195 213 222 204 210 193 174 151 195 VECTOR DIRECT. 1.5 1.7 1.6 2.7 2.2 3.7 3.7 3.3 2.5 2.2 1.6 4.1 2.4 WIND MAGNITUDE 71.4 54.8 61.5 65.9 59.5 75.5 67.3 66.0 64.1 62.9 66.7 82.0 63.2 STEADINESES(%) 1997 175 178 189 193 206 214 227 219 212 193 183 161 197 VECTOR DIRECT. 2.6 3.1 3.7 3.3 3.3 3.0 4.0 2.4 3.2 2.1 1.1 3.5 2.8 WIND MAGNITUDE 65.0 67.4 72.5 66.0 71.7 65.2 72.7 58.5 69.6 60.0 47.8 79.5 63.6 STEADINESES(%) 1998 185 177 198 188 194 202 214 191 195 200 188 153 192 VECTOR DIRECT. 3.1 2.2 3.2 2.3 3.3 2.4 4.1 3.5 2.5 1.7 1.0 2.4 2.6 WIND MAGNITUDE 73.8 62.9 61.5 62.2 64.7 50.0 71.9 63.6 69.4 68.0 66.7 77.4 65.0 STEADINESES(%) 1999 167 161 177 194 208 210 210 197 204 182 171 157 188 VECTOR DIRECT. 2.0 5.2 2.3 3.8 3.8 4.5 3.5 2.3 2.4 1.7 2.4 3.0 2.9 WIND MAGNITUDE 74.1 83.9 65.7 71.7 65.5 73.8 62.5 51.1 66.7 65.4 68.6 90.9 65.9 STEADINESES(%) 2000 158 168 191 189 220 219 213 203 214 207 177 155 190 VECTOR DIRECT. 3.7 3.8 2.0 3.0 3.1 2.7 2.6 2.7 1.8 1.5 1.8 3.1 2.4 WIND MAGNITUDE 84.1 80.9 60.6 68.2 70.5 54.0 50.0 57.4 62.1 71.4 75.0 91.2 61.5 STEADINESES(%) 2001 169 169 192 190 218 215 222 217 220 206 171 157 192 VECTOR DIRECT. 1.5 3.3 2.4 2.5 3.0 3.7 2.6 2.9 2.3 1.2 3.9 5.4 2.6 WIND MAGNITUDE 78.9 73.3 68.6 75.8 62.5 68.5 63.4 65.9 63.9 50.0 81.3 84.4 63.4 STEADINESES(%) 2002 178 196 195 219 204 223 225 211 202 186 177 158 200 VECTOR DIRECT. 2.2 3.1 2.5 3.6 3.4 4.4 2.5 3.1 2.3 2.5 2.0 3.1 2.7 WIND MAGNITUDE 75.9 66.0 61.0 75.0 72.3 64.7 46.3 68.9 60.5 61.0 76.9 81.6 61.4 STEADINESES(%) 2003 165 172 220 208 193 209 227 202 202 182 198 158 193 VECTOR DIRECT. 2.5 3.7 2.7 3.1 3.7 4.2 3.5 3.1 4.0 3.0 1.8 5.3 3.2 WIND MAGNITUDE 69.4 69.8 62.8 66.0 68.5 73.7 74.5 48.4 59.7 63.8 52.9 85.5 62.7 STEADINESES(%) 1993-2003 170 176 193 197 206 213 219 208 206 192 178 156 193 VECTOR DIRECT. 2.7 2.9 2.5 2.7 3.0 3.6 3.5 2.8 2.5 2.0 2.0 3.7 2.7 WIND MAGNITUDE 75.0 69.0 64.1 65.9 63.8 66.7 67.3 60.9 61.0 62.5 66.7 82.2 64.3 STEADINESES(%) =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 36 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF WIND SPEED IN KNOTS YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 4.4 3.2 4.7 2.2 3.9 4.8 5.3 3.9 4.3 3.7 2.7 3.9 3.9 1994 4.4 3.0 3.8 3.3 4.4 4.8 6.0 3.7 4.4 2.5 3.5 3.8 4.0 1995 4.9 3.3 3.0 3.8 4.6 6.0 4.7 4.2 3.4 3.5 4.3 5.5 4.3 1996 2.1 3.1 2.6 4.1 3.7 4.9 5.5 5.0 3.9 3.5 2.4 5.0 3.8 1997 4.0 4.6 5.1 5.0 4.6 4.6 5.5 4.1 4.6 3.5 2.3 4.4 4.4 1998 4.2 3.5 5.2 3.7 5.1 4.8 5.7 5.5 3.6 2.5 1.5 3.1 4.0 1999 2.7 6.2 3.5 5.3 5.8 6.1 5.6 4.5 3.6 2.6 3.5 3.3 4.4 2000 4.4 4.7 3.3 4.4 4.4 5.0 5.2 4.7 2.9 2.1 2.4 3.4 3.9 2001 1.9 4.5 3.5 3.3 4.8 5.4 4.1 4.4 3.6 2.4 4.8 6.4 4.1 2002 2.9 4.7 4.1 4.8 4.7 6.8 5.4 4.5 3.8 4.1 2.6 3.8 4.4 2003 3.6 5.3 4.3 4.7 5.4 5.7 4.7 6.4 6.7 4.7 3.4 6.2 5.1 MEAN 3.6 4.2 3.9 4.1 4.7 5.4 5.2 4.6 4.1 3.2 3.0 4.5 4.2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 37 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M FASTEST WIND DIRECTION AND SPEED IN KNOTS YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 140 200 140 150 240 220 180 180 190 190 210 140 140 DIRECTION 31 19 39 17 23 37 39 19 29 39 29 39 39 SPEED 26 28 8 8 8 29 10 2 4 28 14 7 DAY 1994 150 150 150 190 180 180 200 210 210 140 140 150 150 DIRECTION 39 39 39 23 39 31 25 23 19 19 35 27 39 SPEED 4 1 6 25 4 23 9 17 13 18 20 3 DAY 1995 150 180 150 140 150 200 210 190 120 200 220 150 180 DIRECTION 35 43 31 25 25 39 29 23 19 35 35 33 43 SPEED 16 8 25 19 2 16 23 23 5 4 24 28 DAY 1996 200 140 190 190 200 200 200 190 180 210 150 140 200 DIRECTION 35 35 35 33 29 29 29 23 23 29 27 27 35 SPEED 6 9 15 13 24 30 29 8 11 13 20 29 DAY 1997 150 190 220 200 180 190 190 120 200 180 200 150 150 DIRECTION 29 29 29 31 31 33 21 23 27 23 27 35 35 SPEED 15 6 8 19 19 22 12 28 4 7 24 9 DAY 1998 220 140 190 140 170 180 200 130 180 210 210 140 190 DIRECTION 29 33 45 23 29 23 21 29 21 23 21 27 45 SPEED 6 18 25 8 24 16 20 30 9 17 19 10 DAY 1999 130 130 140 190 240 180 190 130 220 220 190 150 240 DIRECTION 33 33 25 25 35 27 25 29 21 29 29 27 35 SPEED 27 7 20 20 14 25 1 13 4 11 20 6 DAY 2000 150 210 200 250 220 210 280 190 160 190 220 140 150 DIRECTION 39 23 27 27 25 29 21 27 19 19 23 29 39 SPEED 20 21 12 10 4 1 8 3 24 1 13 19 DAY 2001 150 140 180 210 240 190 200 190 240 140 150 190 240 DIRECTION 19 29 39 29 45 25 19 23 23 25 29 29 45 SPEED 3 14 3 26 25 3 11 3 1 6 21 8 DAY 2002 190 210 210 150 180 190 40 180 210 210 200 150 150 DIRECTION 29 27 29 31 21 29 29 19 19 23 23 29 31 SPEED 4 5 12 3 29 14 7 15 19 3 25 8 DAY 2003 150 140 220 200 190 200 210 190 200 210 150 210 200 DIRECTION 29 31 29 43 31 27 17 21 29 25 19 29 43 SPEED 13 1 19 10 16 13 10 2 7 29 10 19 DAY 1993-2003 150 180 190 200 240 200 180 130 190 190 140 140 190 DIRECTION 39 43 45 43 45 39 39 29 29 39 35 39 45 SPEED 94- 4 95- 8 98-25 3-10 1-25 95-16 93-10 98-30 93- 4 93-28 94-20 93- 7 98 YEAR-DAY =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 38 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF CLEAR DAYS (0-2)/8 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 11 8 10 5 4 18 16 23 20 22 3 9 149 1994 11 7 5 10 15 13 20 12 22 15 14 14 158 1995 14 12 15 6 16 16 19 17 18 18 23 14 188 1996 7 5 2 6 13 16 22 24 23 14 16 14 162 1997 10 12 11 14 17 17 15 25 19 19 11 11 181 1998 6 9 8 13 12 21 13 16 20 18 14 6 156 1999 14 12 12 9 16 23 18 25 19 24 11 15 198 2000 13 14 13 15 20 20 23 23 16 16 11 14 198 2001 10 13 13 7 16 16 16 21 23 19 10 10 174 2002 8 10 11 3 14 18 19 18 27 19 13 11 171 2003 11 6 7 3 15 19 8 22 23 19 8 10 151 MEAN 10.5 9.8 9.7 8.3 14.4 17.9 17.2 20.5 20.9 18.5 12.2 11.6 171.5 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 39 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF PARTLY CLOUDY DAYS (3-6)/8 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 9 5 10 8 20 4 12 6 4 5 11 10 104 1994 8 5 5 9 10 4 7 14 6 10 4 6 88 1995 5 6 9 7 8 10 9 11 9 10 4 8 96 1996 11 12 8 4 8 7 8 2 3 13 10 12 98 1997 11 8 10 10 8 9 14 5 9 7 11 8 110 1998 10 9 10 7 12 8 14 13 6 7 9 12 117 1999 4 11 6 14 7 7 13 5 8 4 5 7 91 2000 12 7 6 11 6 6 6 7 11 7 14 5 98 2001 13 11 7 14 9 12 13 8 7 6 10 14 124 2002 14 7 8 9 7 10 9 11 3 10 10 10 108 2003 7 6 10 4 11 8 16 8 7 9 11 12 109 MEAN 9.5 7.9 8.1 8.8 9.6 7.7 11.0 8.2 6.6 8.0 9.0 9.5 103.9 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 40 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF CLOUDY DAYS (7-8)/8 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 11 15 11 17 7 8 3 2 6 4 16 12 112 1994 12 16 21 11 6 13 4 5 2 6 12 11 119 1995 12 10 7 17 7 4 3 3 3 3 3 9 81 1996 13 12 21 20 10 7 1 5 4 4 4 5 106 1997 10 8 10 6 6 4 2 1 2 5 8 12 74 1998 15 10 13 10 7 1 4 2 4 6 7 13 92 1999 13 5 13 7 8 0 0 1 3 3 14 9 76 2000 6 8 12 4 5 4 2 1 3 8 5 12 70 2001 8 4 11 9 6 2 2 2 0 6 10 7 67 2002 9 11 12 18 10 2 3 2 0 2 7 10 86 2003 13 16 14 23 5 3 7 1 0 3 11 9 105 MEAN 11.1 10.5 13.2 12.9 7.0 4.4 2.8 2.3 2.5 4.5 8.8 9.9 89.9 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 41 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M NO. OF DAYS WITH VISIBILITY LESS THAN OR EQUAL 2 KM YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 2 7 1 4 0 0 0 1 1 1 11 11 39 1994 5 7 17 2 0 0 0 1 1 1 7 6 47 1995 4 4 6 7 0 0 0 0 0 1 1 3 26 1996 3 8 9 8 0 2 0 0 0 0 1 0 31 1997 5 4 2 1 0 2 1 0 0 1 3 4 23 1998 9 9 5 4 1 0 0 0 0 0 3 7 38 1999 5 0 4 1 4 0 0 0 2 1 6 4 27 2000 6 7 5 0 0 3 0 1 1 0 1 3 27 2001 4 0 6 3 2 0 0 1 0 4 4 5 29 2002 6 2 6 7 1 0 0 1 0 2 3 8 36 2003 9 8 13 6 0 1 0 0 1 0 3 3 44 MEAN 5.3 5.1 6.7 3.9 0.7 0.7 0.1 0.5 0.5 1.0 3.9 4.9 33.3 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 42 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MONTHLY TOTAL OF SUNSHINE HOURS YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 165.7 123.8 208.0 199.7 254.0 280.8 317.1 311.1 246.2 252.7 108.9 128.1 2596.1 1994 138.5 135.1 118.4 232.2 283.2 218.1 290.3 253.5 301.2 222.3 163.5 152.9 2509.2 1995 151.9 179.4 237.8 155.7 312.1 301.5 309.0 280.7 259.2 268.1 237.3 181.5 2874.2 1996 141.5 136.9 103.9 139.5 271.4 283.3 341.3 307.1 276.8 230.0 191.7 187.8 2611.2 1997 165.4 164.4 191.0 257.8 294.5 294.8 303.8 322.4 257.1 240.3 163.7 149.5 2804.7 1998 123.6 149.1 192.9 238.1 310.6 352.0 294.8 301.1 268.1 243.9 180.1 113.1 2767.4 1999 145.6 195.3 183.7 231.2 264.3 333.0 325.8 349.3 265.4 263.1 131.2 173.3 2861.2 2000 174.3 182.0 200.2 277.6 284.6 297.5 335.4 337.4 238.1 218.3 162.3 145.6 2853.3 2001 150.3 189.4 191.8 213.0 264.8 275.0 308.1 298.9 282.7 229.5 159.0 146.0 2708.5 2002 145.4 154.2 192.8 148.5 248.9 291.4 329.9 273.5 293.1 246.6 176.4 141.3 2642.0 2003 142.7 101.1 147.6 112.0 299.8 299.3 223.9 334.1 296.4 239.7 138.7 151.7 2487.0 MEAN 149.5 155.5 178.9 200.5 280.7 293.3 307.2 306.3 271.3 241.3 164.8 151.9 2701.2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 43 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF QFE PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 967.9 964.8 961.8 960.8 958.8 959.4 960.0 961.5 969.9 969.1 968.7 ****** 1994 965.7 966.3 964.6 963.7 961.2 958.3 956.7 958.0 966.1 968.1 963.2 967.4 963.3 1995 966.9 966.4 964.2 960.9 962.9 957.9 955.4 957.4 960.3 967.2 963.8 968.5 962.7 1996 969.2 965.6 964.0 964.1 961.7 959.9 959.1 958.9 958.5 965.3 971.2 966.4 963.6 1997 965.0 966.9 962.1 959.7 962.1 957.4 955.9 957.6 962.9 963.5 967.8 965.4 962.2 1998 965.0 966.2 962.4 961.5 962.1 960.0 957.0 959.2 961.5 966.5 966.9 969.0 963.1 1999 966.9 962.2 963.8 963.3 962.1 958.3 957.1 957.3 961.1 964.2 966.9 968.6 962.7 2000 964.7 965.4 963.8 960.2 960.2 958.8 958.0 958.1 960.6 967.3 970.4 966.4 962.8 2001 970.0 964.3 963.1 961.9 959.0 958.0 957.9 958.8 961.2 965.6 964.9 966.2 962.6 2002 966.7 965.7 962.8 960.6 961.8 958.2 958.3 957.3 962.0 964.2 968.0 967.4 962.8 2003 966.0 962.9 964.6 964.1 963.7 959.6 956.7 959.6 962.3 963.0 968.2 968.4 963.3 MEAN 966.6 965.4 963.6 962.0 961.6 958.7 957.4 958.4 961.7 965.9 967.3 967.5 963.0 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 44 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF QFE PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 979.6 977.3 970.5 973.1 971.6 965.7 965.7 971.9 977.4 980.0 977.2 ****** DAY-HOUR **-** 9-15 16- 6 23- 6 9- 6 22- 9 27- 6 24- 6 23- 3 20- 6 21- 6 6- 9 1994 979.5 981.4 975.6 980.2 970.6 963.4 962.3 963.4 971.6 976.2 972.9 979.6 981.4 DAY-HOUR 9-15 18- 6 1- 6 5- 6 18- 6 21- 6 2- 3 15- 6 23- 6 23-18 2- 6 21-18 1995 980.8 975.8 976.3 972.6 971.2 964.7 960.9 963.9 970.9 981.6 976.6 980.2 981.6 DAY-HOUR 7- 6 12- 6 3- 6 7- 6 26- 6 1- 6 23- 6 24- 6 27- 6 17-15 15-15 10- 6 1996 983.0 975.8 971.0 977.2 969.3 967.5 968.3 970.7 970.8 978.1 983.1 976.2 983.1 DAY-HOUR 10- 6 13- 6 16- 6 4- 6 1-18 12- 3 3- 6 29- 6 30-21 2- 6 18- 6 1- 6 1997 977.9 975.7 980.9 970.6 971.0 963.9 963.4 964.8 971.8 973.2 982.6 975.9 982.6 DAY-HOUR 23-18 7-15 11- 3 20- 6 16- 6 7-18 19- 6 21- 6 15- 6 8- 6 7- 6 17-15 1998 975.9 983.0 976.6 972.7 972.7 965.8 965.2 964.7 969.7 981.4 976.7 979.9 983.0 DAY-HOUR 22- 6 22-18 26- 6 12- 6 3- 6 6- 6 15- 6 19- 6 12- 6 9- 6 20-18 29- 6 1999 985.7 974.3 975.7 971.9 970.0 968.9 962.7 966.2 969.2 974.3 979.5 979.7 985.7 DAY-HOUR 2- 6 11- 6 18-18 22- 6 9- 3 16-18 18- 6 20- 6 23-18 26- 6 30-18 24- 6 2000 975.3 978.6 975.8 970.0 971.2 968.2 964.4 964.7 967.6 976.0 981.7 976.9 981.7 DAY-HOUR 14-18 29- 6 26-18 2- 6 4-21 13- 6 30- 6 23- 3 25- 6 15-18 17- 6 4- 6 2001 978.1 980.7 977.4 977.2 968.7 965.9 962.7 966.4 970.4 977.0 974.1 975.8 980.7 DAY-HOUR 26-15 9- 6 11- 6 1- 6 18-18 1-21 1- 6 5- 6 19-21 27- 6 2- 6 21-15 2002 976.2 980.0 981.4 969.8 971.2 967.4 965.3 967.0 969.1 971.7 977.6 984.4 984.4 DAY-HOUR 27- 6 18-18 10-15 1- 6 16-18 24-18 2- 6 31- 6 30- 6 22-18 17- 6 3- 6 2003 975.4 976.4 978.7 976.0 978.0 971.4 964.6 964.7 972.7 971.7 978.2 985.7 985.7 DAY-HOUR 19- 6 12-18 2- 6 30-18 1- 9 6- 6 4- 0 16- 6 26- 6 15- 6 22-18 11-18 1993-2003 985.7 983.0 981.4 980.2 978.0 971.6 968.3 970.7 972.7 981.6 983.1 985.7 985.7 YEAR-DAY 99- 2 98-22 2-10 94- 5 3- 1 93-22 96- 3 96-29 3-26 95-17 96-18 3-11 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 45 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF QFE PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 957.2 950.9 949.8 954.1 950.6 951.6 951.1 951.1 954.4 954.2 960.4 ****** DAY-HOUR **-** 21- 3 8- 3 11-15 13- 3 16-15 24-15 12-15 3-15 1-12 10-12 13-12 1994 950.7 946.4 948.3 951.4 951.4 949.9 950.0 950.5 960.2 958.4 950.7 947.6 946.4 DAY-HOUR 16-12 1- 9 7-15 30-21 1- 0 15-21 20-15 10-15 2-12 14-12 26- 3 3-18 1995 953.8 951.2 947.8 951.2 954.7 944.5 948.1 950.5 953.2 955.0 952.5 958.4 944.5 DAY-HOUR 17- 3 8-15 25-18 19-18 2- 9 30- 0 15-18 22-15 20- 6 4- 3 24-12 22- 0 1996 954.0 948.7 953.3 948.6 953.5 952.1 952.5 950.2 948.4 950.3 962.7 953.9 948.4 DAY-HOUR 6-15 9-12 26- 0 13- 6 29-12 1- 9 24-15 8-12 8-15 27- 3 1-18 24-18 1997 952.8 957.8 949.8 944.7 947.2 950.5 949.1 949.0 949.7 954.6 956.6 951.8 944.7 DAY-HOUR 16- 0 5-12 17-12 9-18 4-12 30-15 11-12 5-12 2- 0 3- 0 5- 3 9-15 1998 951.4 948.0 944.2 951.9 948.2 954.6 945.7 953.9 952.9 952.6 956.7 956.1 944.2 DAY-HOUR 13-12 14- 0 30- 3 21-12 22- 0 23-12 6- 0 26-15 24- 0 1-12 1-12 21- 3 1999 952.8 943.8 952.1 950.4 950.4 944.5 950.0 951.4 952.5 958.0 954.7 957.9 943.8 DAY-HOUR 9-12 20-18 21- 9 13-21 14- 3 24-21 21-21 6-12 15-12 18-12 25- 9 15-12 2000 949.0 954.4 954.7 951.5 950.9 951.4 951.8 947.8 952.2 960.2 963.6 955.9 947.8 DAY-HOUR 20-15 6-21 19- 0 10- 9 26-15 5-12 8-12 3-12 1-12 1- 0 30-21 21-12 2001 961.0 941.7 949.4 949.0 947.8 946.2 949.9 950.5 953.6 954.1 951.8 954.1 941.7 DAY-HOUR 1- 0 21-12 25- 0 12-15 8-12 17-12 9-15 30-15 4-18 6-12 18- 0 20- 9 2002 953.4 950.5 949.8 943.8 952.6 948.0 948.8 948.5 955.7 955.1 954.1 947.8 943.8 DAY-HOUR 8- 0 27- 0 27- 0 3-12 29-12 18-21 24-12 15-21 17-15 22- 0 12- 3 21-12 2003 950.1 947.4 946.0 951.9 954.3 951.1 949.5 954.3 951.4 953.5 958.3 953.2 946.0 DAY-HOUR 28-12 19- 0 26-12 26-12 30-12 18- 0 7-15 12-15 6-21 27-12 9- 9 19- 9 1993-2003 949.0 941.7 944.2 943.8 947.2 944.5 945.7 947.8 948.4 950.3 950.7 947.6 941.7 YEAR-DAY 0-20 1-21 98-30 2- 3 97- 4 95-30 98- 6 0- 3 96- 8 96-27 94-26 94- 3 1-21 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 46 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF QNH PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1022.1 1018.8 1015.7 1014.7 1012.5 1013.1 1013.8 1015.4 1024.1 1023.3 1022.9 ****** 1994 1019.8 1020.4 1018.6 1017.7 1015.1 1012.0 1010.4 1011.7 1020.2 1022.3 1017.1 1021.5 1017.2 1995 1021.0 1020.5 1018.2 1014.7 1016.8 1011.6 1009.0 1011.1 1014.2 1021.3 1017.8 1022.7 1016.6 1996 1023.4 1019.6 1018.0 1018.1 1015.6 1013.7 1012.8 1012.6 1012.3 1019.3 1025.5 1020.5 1017.6 1997 1019.1 1021.0 1016.0 1013.4 1016.0 1011.1 1009.5 1011.2 1016.8 1017.5 1022.0 1019.5 1016.1 1998 1019.1 1020.2 1016.3 1015.3 1016.0 1013.8 1010.7 1013.0 1015.4 1020.6 1021.0 1023.2 1017.0 1999 1021.0 1016.1 1017.7 1017.2 1016.0 1012.1 1010.8 1011.0 1015.0 1018.2 1021.0 1022.8 1016.6 2000 1018.7 1019.4 1017.8 1014.0 1014.0 1012.6 1011.7 1011.8 1014.4 1021.4 1024.7 1020.5 1016.7 2001 1024.3 1018.3 1017.0 1015.8 1012.7 1011.7 1011.6 1012.5 1015.0 1019.7 1018.9 1020.2 1016.5 2002 1020.8 1019.8 1016.7 1014.5 1015.7 1011.9 1012.0 1010.9 1015.9 1018.2 1022.2 1021.5 1016.7 2003 1020.1 1016.8 1018.6 1018.1 1017.7 1013.4 1010.3 1013.4 1016.2 1016.9 1022.3 1022.6 1017.2 MEAN 1020.7 1019.5 1017.6 1015.9 1015.5 1012.4 1011.1 1012.1 1015.5 1019.9 1021.4 1021.6 1016.9 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 47 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF QNH PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1034.3 1031.9 1024.8 1027.5 1025.9 1019.8 1019.8 1026.2 1032.0 1034.7 1031.8 ****** DAY-HOUR **-** 9-15 16- 6 23- 6 9- 6 22- 9 27- 6 24- 6 23- 3 20- 6 21- 6 6- 9 1994 1034.2 1036.2 1030.1 1034.9 1024.9 1017.3 1016.2 1017.3 1025.9 1030.7 1027.3 1034.3 1036.2 DAY-HOUR 9-15 18- 6 1- 6 5- 6 18- 6 21- 6 2- 3 15- 6 23- 6 23-18 2- 6 21-18 1995 1035.5 1030.3 1030.8 1027.0 1025.5 1018.7 1014.7 1017.9 1025.2 1036.4 1031.1 1034.9 1036.4 DAY-HOUR 7- 6 12- 6 3- 6 7- 6 26- 6 1- 6 23- 6 24- 6 27- 6 17-15 15-15 10- 6 1996 1037.8 1030.3 1025.3 1031.8 1023.5 1021.6 1022.5 1025.0 1025.1 1032.7 1037.9 1030.7 1037.9 DAY-HOUR 10- 6 13- 6 16- 6 4- 6 1-18 12- 3 3- 6 29- 6 30-21 2- 6 18- 6 1- 6 1997 1032.5 1030.2 1035.6 1024.9 1025.3 1017.9 1017.3 1018.8 1026.1 1027.6 1037.4 1030.4 1037.4 DAY-HOUR 23-18 7-15 11- 3 20- 6 16- 6 7-18 19- 6 21- 6 15- 6 8- 6 7- 6 17-15 1998 1030.4 1037.8 1031.1 1027.1 1027.1 1019.9 1019.2 1018.7 1023.9 1036.2 1031.3 1034.6 1037.8 DAY-HOUR 22- 6 22-18 26- 6 12- 6 3- 6 6- 6 15- 6 19- 6 12- 6 9- 6 20-18 29- 6 1999 1040.7 1028.7 1030.2 1026.2 1024.2 1023.1 1016.6 1020.3 1023.4 1028.7 1034.2 1034.4 1040.7 DAY-HOUR 2- 6 11- 6 18-18 22- 6 9- 3 16-18 18- 6 20- 6 23-18 26- 6 30-18 24- 6 2000 1029.8 1033.2 1030.3 1024.2 1025.5 1022.4 1018.4 1018.7 1021.7 1030.5 1036.5 1031.5 1036.5 DAY-HOUR 14-18 29- 6 26-18 2- 6 4-21 13- 6 30- 6 23- 3 25- 6 15-18 17- 6 4- 6 2001 1032.7 1035.4 1032.0 1031.8 1022.9 1020.0 1016.6 1020.5 1024.7 1031.6 1028.5 1030.3 1035.4 DAY-HOUR 26-15 9- 6 11- 6 1- 6 18-18 1-21 1- 6 5- 6 19-21 27- 6 2- 6 21-15 2002 1030.7 1034.7 1036.2 1024.0 1025.5 1021.5 1019.3 1021.1 1023.3 1026.0 1032.2 1039.3 1039.3 DAY-HOUR 27- 6 18-18 10-15 1- 6 16-18 24-18 2- 6 31- 6 30- 6 22-18 17- 6 3- 6 2003 1029.9 1030.9 1033.3 1030.5 1032.6 1025.7 1018.6 1018.7 1027.1 1026.0 1032.8 1040.7 1040.7 DAY-HOUR 19- 6 12-18 2- 6 30-18 1- 9 6- 6 4- 0 16- 6 26- 6 15- 6 22-18 11-18 1993-2003 1040.7 1037.8 1036.2 1034.9 1032.6 1025.9 1022.5 1025.0 1027.1 1036.4 1037.9 1040.7 1040.7 YEAR-DAY 99- 2 98-22 2-10 94- 5 3- 1 93-22 96- 3 96-29 3-26 95-17 96-18 3-11 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 48 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF QNH PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1010.9 1004.3 1003.1 1007.6 1004.0 1005.0 1004.5 1004.5 1007.9 1007.7 1014.2 ****** DAY-HOUR **-** 21- 3 8- 3 11-15 13- 3 16-15 24-15 12-15 3-15 1-12 10-12 13-12 1994 1004.1 999.6 1001.6 1004.8 1004.8 1003.2 1003.3 1003.9 1014.0 1012.1 1004.1 1000.8 999.6 DAY-HOUR 16-12 1- 9 7-15 30-21 1- 0 15-21 20-15 10-15 2-12 14-12 26- 3 3-18 1995 1007.3 1004.6 1001.0 1004.6 1008.3 997.6 1001.4 1003.9 1006.7 1008.6 1006.0 1012.1 997.6 DAY-HOUR 17- 3 8-15 25-18 19-18 2- 9 30- 0 15-18 22-15 20- 6 4- 3 24-12 22- 0 1996 1007.5 1002.0 1006.8 1001.9 1007.0 1005.5 1006.0 1003.5 1001.7 1003.7 1016.6 1007.4 1001.7 DAY-HOUR 6-15 9-12 26- 0 13- 6 29-12 1- 9 24-15 8-12 8-15 27- 3 1-18 24-18 1997 1006.3 1011.5 1003.1 997.8 1000.4 1003.9 1002.4 1002.3 1003.0 1008.2 1010.2 1005.2 997.8 DAY-HOUR 16- 0 5-12 17-12 9-18 4-12 30-15 11-12 5-12 2- 0 3- 0 5- 3 9-15 1998 1004.8 1001.3 997.3 1005.3 1001.5 1008.2 998.8 1007.4 1006.4 1006.1 1010.3 1009.7 997.3 DAY-HOUR 13-12 14- 0 30- 3 21-12 22- 0 23-12 6- 0 26-15 24- 0 1-12 1-12 21- 3 1999 1006.3 996.9 1005.5 1003.8 1003.8 997.6 1003.3 1004.8 1006.0 1011.7 1008.3 1011.6 996.9 DAY-HOUR 9-12 20-18 21- 9 13-21 14- 3 24-21 21-21 6-12 15-12 18-12 25- 9 15-12 2000 1002.3 1007.9 1008.3 1004.9 1004.3 1004.8 1005.2 1001.0 1005.6 1014.0 1017.6 1009.5 1001.0 DAY-HOUR 20-15 6-21 19- 0 10- 9 26-15 5-12 8-12 3-12 1-12 1- 0 30-21 21-12 2001 1014.8 994.7 1002.7 1002.3 1001.0 999.4 1003.2 1003.9 1007.1 1007.6 1005.2 1007.6 994.7 DAY-HOUR 1- 0 21-12 25- 0 12-15 8-12 17-12 9-15 30-15 4-18 6-12 18- 0 20- 9 2002 1006.9 1003.9 1003.1 996.9 1006.1 1001.3 1002.1 1001.8 1009.3 1008.7 1007.6 1001.0 996.9 DAY-HOUR 8- 0 27- 0 27- 0 3-12 29-12 18-21 24-12 15-21 17-15 22- 0 12- 3 21-12 2003 1003.4 1000.6 999.2 1005.3 1007.8 1004.5 1002.8 1007.8 1004.8 1007.0 1012.0 1006.7 999.2 DAY-HOUR 28-12 19- 0 26-12 26-12 30-12 18- 0 7-15 12-15 6-21 27-12 9- 9 19- 9 1993-2003 1002.3 994.7 997.3 996.9 1000.4 997.6 998.8 1001.0 1001.7 1003.7 1004.1 1000.8 994.7 YEAR-DAY 0-20 1-21 98-30 2- 3 97- 4 95-30 98- 6 0- 3 96- 8 96-27 94-26 94- 3 1-21 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 49 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1024.8 1020.5 1016.1 1014.2 1011.0 1011.3 1011.8 1014.1 1024.5 1025.3 1025.1 ****** 1994 1022.0 1023.2 1020.3 1018.2 1014.4 1010.9 1008.6 1009.9 1019.5 1022.7 1018.0 1023.9 1017.6 1995 1023.0 1022.5 1019.6 1015.0 1016.0 1009.9 1006.9 1008.9 1012.8 1021.8 1018.3 1024.8 1016.6 1996 1026.0 1021.9 1020.1 1019.1 1014.9 1012.4 1010.6 1010.5 1010.7 1019.3 1026.9 1021.8 1017.8 1997 1021.1 1023.4 1017.8 1013.5 1015.3 1009.2 1007.3 1008.9 1015.8 1016.9 1023.2 1021.3 1016.1 1998 1021.6 1022.8 1016.7 1015.5 1015.3 1011.5 1008.4 1010.7 1014.0 1020.5 1021.7 1024.5 1016.9 1999 1023.1 1017.3 1019.2 1017.7 1015.5 1010.4 1008.8 1008.3 1013.7 1018.0 1022.4 1024.3 1016.6 2000 1021.1 1021.4 1019.4 1013.4 1013.2 1011.0 1009.2 1009.3 1012.9 1021.8 1026.2 1022.2 1016.8 2001 1026.8 1019.9 1018.0 1015.9 1011.7 1010.0 1009.6 1010.2 1013.5 1019.9 1018.9 1020.6 1016.2 2002 1021.9 1020.6 1016.8 1014.2 1014.5 1009.4 1008.8 1007.8 1013.2 1016.3 1022.0 1023.2 1015.7 2003 1021.1 1017.8 1019.6 1017.9 1016.4 1011.3 1007.5 1010.3 1013.9 1015.1 1022.5 1023.4 1016.4 MEAN 1022.8 1021.4 1018.9 1016.0 1014.7 1010.6 1008.8 1009.7 1014.0 1019.7 1022.3 1023.2 1016.8 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 50 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1037.5 1034.9 1026.6 1029.1 1026.2 1018.1 1019.0 1026.5 1032.6 1037.5 1035.0 ****** DAY-HOUR **-** 9-15 16- 6 24- 6 9- 3 22- 6 27- 6 24- 6 23- 3 20- 6 21- 6 6- 9 1994 1037.0 1039.8 1033.1 1037.7 1025.8 1017.1 1015.4 1016.4 1025.0 1032.9 1027.9 1037.8 1039.8 DAY-HOUR 9-15 18- 6 1- 6 5- 6 18-18 5-18 1- 3 8- 3 23- 6 23-15 2- 6 21-18 1995 1038.4 1033.1 1033.4 1028.8 1026.3 1017.7 1013.2 1016.5 1026.0 1039.0 1033.0 1038.5 1039.0 DAY-HOUR 7- 6 12- 6 3- 6 7- 6 26- 6 1- 0 23- 6 20- 6 22- 0 17-18 15-15 10- 6 1996 1041.6 1033.7 1028.4 1034.3 1024.8 1021.3 1021.2 1024.0 1024.7 1033.4 1040.6 1033.7 1041.6 DAY-HOUR 10- 6 13- 6 16- 6 4- 6 1-18 12- 3 3- 6 29- 6 30-21 2- 3 18- 6 1-15 1997 1034.8 1034.3 1039.0 1026.1 1026.1 1017.9 1015.9 1017.5 1026.9 1028.2 1039.6 1033.6 1039.6 DAY-HOUR 23-21 7-18 11- 3 20- 6 16- 3 4- 3 19- 6 22- 3 15- 6 8- 6 7- 6 17-15 1998 1033.6 1041.6 1028.1 1028.1 1028.1 1017.8 1018.4 1017.9 1024.3 1038.5 1032.8 1036.5 1041.6 DAY-HOUR 22- 6 22-18 3-18 12- 6 3- 6 6- 6 15- 6 19- 9 12- 6 9- 6 20-18 29- 6 1999 1044.6 1030.8 1033.8 1027.6 1025.3 1022.6 1015.9 1017.8 1024.3 1030.5 1037.1 1036.7 1044.6 DAY-HOUR 2- 6 11- 6 18-18 22- 6 9- 3 16-18 13- 3 20- 6 23-18 26- 6 30-15 24-15 2000 1033.6 1036.0 1032.3 1025.4 1025.9 1023.4 1015.8 1017.5 1021.8 1032.3 1039.0 1033.3 1039.0 DAY-HOUR 14-18 29- 6 27- 3 2- 6 4-21 13- 6 30- 6 8-21 25- 6 15-18 17- 6 4- 6 2001 1036.6 1038.2 1035.7 1033.9 1023.4 1019.8 1015.7 1018.4 1024.6 1033.7 1030.0 1032.6 1038.2 DAY-HOUR 26-15 9- 6 11- 6 1- 6 18-18 2- 0 1- 6 5- 6 19-18 27- 6 19-18 21-18 2002 1032.3 1037.1 1038.6 1024.2 1025.1 1019.3 1017.3 1019.4 1020.9 1026.3 1032.6 1042.2 1042.2 DAY-HOUR 25-18 18-18 10-15 1- 6 17- 3 24-18 2- 6 31- 6 30- 6 22-21 17- 6 3- 6 2003 1032.1 1033.3 1036.4 1031.8 1033.8 1024.9 1016.1 1016.3 1025.8 1024.3 1034.6 1043.6 1043.6 DAY-HOUR 19- 6 12-18 2- 6 30-18 1- 6 6- 6 3- 6 16- 6 26- 6 15- 6 22-18 11-18 1993-2003 1044.6 1041.6 1039.0 1037.7 1033.8 1026.2 1021.2 1024.0 1026.9 1039.0 1040.6 1043.6 1044.6 YEAR-DAY 99- 2 98-22 97-11 94- 5 3- 1 93-22 96- 3 96-29 97-15 95-17 96-18 3-11 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 51 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1012.5 1004.1 1001.4 1005.9 1001.2 1002.0 1001.8 1001.7 1005.5 1008.4 1015.2 ****** DAY-HOUR **-** 21- 3 8- 3 11-15 13- 3 16-15 24-15 12-15 3-15 1-12 10- 9 13-12 1994 1005.5 999.4 1000.4 1003.9 1004.1 1000.6 1001.0 1001.1 1012.7 1011.8 1004.7 1001.2 999.4 DAY-HOUR 16-12 1- 9 7-15 30-15 1- 0 15-21 20-15 10-15 2-12 14-12 26- 3 3-18 1995 1007.7 1004.8 1000.2 1002.4 1006.8 993.5 998.3 1001.3 1004.5 1006.1 1004.8 1013.3 993.5 DAY-HOUR 17- 3 8-15 25-18 19-21 2- 9 30- 0 16- 0 12- 6 5-12 4- 0 24-12 22- 0 1996 1008.2 1001.9 1007.6 1000.1 1004.9 1002.2 1002.7 1000.3 998.3 1001.3 1017.4 1004.2 998.3 DAY-HOUR 6-15 9-12 2-21 13- 6 29- 9 1- 9 24-15 8-12 8-12 27- 0 1-18 25- 0 1997 1007.0 1013.3 1003.6 996.2 997.6 1000.4 999.4 998.7 999.7 1005.4 1009.3 1005.0 996.2 DAY-HOUR 16- 0 22-12 17-12 9-18 4-12 30-15 11-12 13- 0 2- 0 3- 0 5- 3 9-15 1998 1007.3 1002.8 996.5 1004.6 998.7 1004.7 996.1 1004.2 1003.6 1003.6 1008.5 1010.2 996.1 DAY-HOUR 30-12 8- 0 30- 0 21-12 22- 0 23-15 6- 0 26-15 24- 0 1-12 1-12 21- 3 1999 1006.5 996.0 1005.5 1002.3 1001.5 994.9 1000.0 1001.4 1003.6 1009.5 1007.5 1011.9 994.9 DAY-HOUR 9-12 20-18 21- 9 13-21 14- 3 24-21 21-21 5-12 15-12 11- 9 25- 9 15-12 2000 1002.8 1009.5 1007.6 1002.9 1001.9 1001.5 1002.3 997.2 1003.0 1013.9 1017.9 1010.1 997.2 DAY-HOUR 21- 9 6-21 19- 0 10- 9 26-15 5-12 8-12 3-15 1-12 10-12 30-21 21-12 2001 1015.2 993.9 1001.2 1001.1 998.6 995.6 1000.4 1001.5 1004.7 1005.0 1004.5 1006.1 993.9 DAY-HOUR 1- 0 21-12 25- 0 12-15 9-12 17-12 9-15 30-15 4-18 6-12 18- 0 20- 9 2002 1006.1 1002.6 1000.3 995.7 1002.8 997.7 998.3 998.1 1006.1 1005.9 1005.7 1000.6 995.7 DAY-HOUR 8- 0 27- 0 27- 0 3-12 29-12 18-21 24-21 15-21 17-21 22- 0 12- 9 21-12 2003 1003.5 1001.2 998.7 1002.3 1005.6 1001.2 999.6 1003.6 1001.4 1004.5 1011.4 1005.2 998.7 DAY-HOUR 28-12 20-12 19-15 26-12 30-21 18- 0 7-15 12-15 6-21 25-12 9- 9 19- 9 1993-2003 1002.8 993.9 996.5 995.7 997.6 993.5 996.1 997.2 998.3 1001.3 1004.5 1000.6 993.5 YEAR-DAY 0-21 1-21 98-30 2- 3 97- 4 95-30 98- 6 0- 3 96- 8 96-27 1-18 2-21 95-30 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 52 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1010.0 1010.3 1010.8 1013.1 1023.4 1024.3 1024.0 ****** 1994 1021.0 1022.3 1019.3 1017.0 1013.3 1009.8 1007.7 1008.9 1018.3 1021.4 1016.8 1022.9 1016.6 1995 1021.9 1021.5 1018.6 1013.9 1014.9 1009.0 1006.0 1007.9 1011.8 1020.7 1017.2 1023.7 1015.6 1996 1025.0 1020.9 1019.1 1018.0 1013.7 1011.3 1009.7 1009.5 1009.7 1018.2 1025.8 1020.7 1016.8 1997 1020.1 1022.4 1016.8 1012.5 1014.2 1008.3 1006.4 1008.0 1014.7 1015.7 1022.2 1020.3 1015.1 1998 1020.6 1021.9 1015.8 1014.3 1014.2 1010.7 1007.6 1009.8 1013.0 1019.4 1020.6 1023.5 1016.0 1999 1022.2 1016.3 1018.2 1016.6 1014.4 1009.5 1007.9 1007.5 1012.7 1016.9 1021.4 1023.2 1015.6 2000 1020.2 1020.5 1018.4 1012.4 1012.2 1010.1 1008.4 1008.5 1011.9 1020.6 1025.1 1021.1 1015.8 2001 1025.8 1018.9 1017.0 1014.8 1010.7 1009.1 1008.7 1009.3 1012.5 1018.7 1018.6 1020.5 1015.4 2002 1021.9 1020.6 1016.7 1014.2 1014.4 1009.4 1008.8 1007.8 1013.2 1016.3 1022.0 1023.2 1015.7 2003 1021.1 1017.9 1019.6 1017.9 1016.4 1011.3 1007.5 1010.3 1013.9 1015.1 1022.5 1023.4 1016.4 MEAN 1022.0 1020.3 1017.9 1015.2 1013.9 1009.9 1008.1 1008.9 1013.2 1018.8 1021.5 1022.4 1016.0 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 53 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF COMPUTED QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1024.7 1016.9 1017.6 1025.0 1031.3 1036.4 1034.0 ****** DAY-HOUR **-** **-** **-** **-** **-** 22- 6 27- 6 24- 6 23- 3 20- 6 21- 6 6- 9 1994 1036.0 1038.8 1032.0 1036.7 1024.6 1015.9 1014.2 1015.0 1023.8 1031.1 1026.6 1036.9 1038.8 DAY-HOUR 9-15 18- 6 1- 6 5- 6 18-18 5-18 2- 3 8- 3 23- 6 24- 6 2- 6 21-18 1995 1037.3 1031.7 1032.2 1027.8 1024.1 1016.6 1012.2 1015.4 1024.6 1037.9 1031.9 1037.6 1037.9 DAY-HOUR 7- 6 12- 6 3- 6 7- 6 26- 6 1- 6 23- 6 24- 6 22- 3 17-18 15-15 10- 6 1996 1040.6 1032.7 1027.5 1033.3 1023.6 1020.0 1020.0 1022.7 1023.3 1032.0 1039.4 1032.6 1040.6 DAY-HOUR 10- 6 13- 6 16-21 4- 6 1-18 12- 3 3- 6 29- 6 30-21 2- 3 18- 6 1-15 1997 1034.6 1033.5 1037.9 1025.0 1024.6 1016.6 1014.7 1016.4 1025.5 1026.8 1038.5 1032.7 1038.5 DAY-HOUR 23-18 7-18 11- 3 20- 6 16- 3 4- 3 19- 6 21- 6 15- 6 8- 6 7- 6 17-15 1998 1032.7 1040.6 1027.1 1026.8 1027.1 1016.9 1017.1 1015.9 1022.9 1037.5 1031.5 1035.5 1040.6 DAY-HOUR 22- 9 22-18 3-18 1- 6 3- 6 6- 6 15- 6 19- 6 12- 6 9- 6 20-18 29- 6 1999 1043.8 1029.8 1032.9 1026.5 1024.1 1021.4 1014.6 1016.8 1022.9 1029.4 1036.1 1035.7 1043.8 DAY-HOUR 2- 6 11- 6 18-18 22- 6 9- 3 16-18 13- 3 20- 6 23-18 26- 6 30-15 24-18 2000 1032.8 1034.9 1031.3 1024.2 1024.5 1022.1 1014.8 1016.1 1020.4 1031.0 1037.9 1032.2 1037.9 DAY-HOUR 14-18 29- 6 27- 3 2- 6 4-21 13- 6 30- 6 8-21 25- 6 15-18 17- 6 4- 6 2001 1035.6 1037.2 1034.7 1032.8 1022.0 1018.5 1014.5 1017.3 1023.5 1032.6 1030.0 1032.5 1037.2 DAY-HOUR 26-15 9- 6 11- 6 1- 6 18-18 11- 3 1- 6 5- 6 19-21 27- 6 19-21 21-18 2002 1032.2 1037.0 1038.6 1024.2 1025.1 1019.2 1017.2 1019.4 1020.9 1026.2 1032.5 1042.3 1042.3 DAY-HOUR 25-18 18-18 10-15 1- 6 17- 6 24-18 2- 6 31- 6 30- 6 22-21 17- 6 3- 6 2003 1032.0 1033.3 1036.4 1031.8 1033.9 1025.1 1016.1 1016.3 1025.8 1024.3 1034.6 1043.6 1043.6 DAY-HOUR 19- 6 12-18 2- 6 30-18 1- 9 6- 6 3- 6 16- 6 26- 6 15- 6 22-18 11-18 1993-2003 1043.8 1040.6 1038.6 1036.7 1033.9 1025.1 1020.0 1022.7 1025.8 1037.9 1039.4 1043.6 1043.8 YEAR-DAY 99- 2 98-22 2-10 94- 5 3- 1 3- 6 96- 3 96-29 3-26 95-17 96-18 3-11 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 54 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF COMPUTED QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1000.6 1001.3 1001.2 1001.1 1005.0 1007.3 1014.2 ****** DAY-HOUR **-** **-** **-** **-** **-** 16-15 24-15 12-15 3-15 1-12 10- 9 13-12 1994 1004.8 998.7 999.7 1002.9 1003.1 1000.0 1000.2 1000.5 1011.6 1010.6 1003.8 1000.4 998.7 DAY-HOUR 16-12 1- 9 7-15 30-15 1- 0 15-21 30-15 10-15 2-12 14-12 26- 3 3-18 1995 1006.8 1003.8 999.3 1001.8 1006.0 992.9 997.7 1000.5 1003.9 1005.7 1004.0 1012.3 992.9 DAY-HOUR 17- 3 8-15 25-18 19-21 2- 9 30- 0 15-18 12-12 20- 6 4- 0 24-12 22- 0 1996 1007.2 1001.0 1006.7 999.5 1004.2 1001.4 1002.0 999.7 997.7 1000.9 1016.3 1006.3 997.7 DAY-HOUR 6-15 9-12 2-21 13- 6 29-12 1- 9 24-15 8-12 8-12 27- 0 1-18 29-18 1997 1006.2 1012.4 1002.8 995.6 997.1 1000.4 998.9 998.2 999.0 1004.8 1008.3 1004.1 995.6 DAY-HOUR 16- 0 22-12 24- 0 9-18 4-12 30-15 11-12 13- 0 2- 0 3- 0 5- 3 9-15 1998 1006.4 1001.4 995.7 1003.5 998.1 1004.1 995.5 1003.6 1003.1 1003.0 1008.8 1009.3 995.5 DAY-HOUR 30- 9 8- 0 30- 3 21-12 22- 0 23-15 6- 0 26-15 24- 0 1-12 1-12 21- 3 1999 1005.6 995.3 1004.4 1001.6 1001.0 994.3 999.4 1000.8 1003.0 1008.9 1006.6 1010.9 994.3 DAY-HOUR 9-12 20-18 21- 9 13-21 14- 3 24-21 21-21 6-12 15-12 11- 9 25- 9 15-12 2000 1002.0 1008.6 1006.8 1002.2 1001.4 1001.0 1001.6 996.6 1002.3 1012.7 1016.8 1009.2 996.6 DAY-HOUR 21- 9 6-21 19- 0 10- 9 26-15 5-12 8-12 3-15 1-12 1- 0 30-21 21-12 2001 1014.1 993.2 1000.5 1000.2 998.2 995.2 999.8 1000.8 1003.9 1004.4 1004.5 1005.9 993.2 DAY-HOUR 1- 0 21-12 25- 0 12-15 9-12 17-15 9-15 30-21 8-12 6-12 18- 0 20- 9 2002 1006.1 1002.6 1000.5 995.7 1002.8 997.9 998.4 998.1 1006.1 1005.9 1005.7 1000.6 995.7 DAY-HOUR 8- 0 27- 0 27- 0 3-12 29-12 18-21 24-21 15-21 17-21 22- 0 12- 9 21-12 2003 1003.5 1001.2 998.7 1002.3 1005.6 1001.2 999.6 1003.6 1001.4 1004.5 1011.4 1005.2 998.7 DAY-HOUR 28-12 20-12 19-15 26-12 30-21 18- 0 7-15 12-15 6-21 25-12 9- 9 19- 9 1993-2003 1002.0 993.2 995.7 995.6 997.1 992.9 995.5 996.6 997.7 1000.9 1003.8 1000.4 992.9 YEAR-DAY 0-21 1-21 98-30 97- 9 97- 4 95-30 98- 6 0- 3 96- 8 96-27 94-26 94- 3 95-30 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 55 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF QFE PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 958.9 959.5 960.0 961.6 969.5 968.7 968.6 ****** 1994 965.6 965.8 963.9 963.5 960.8 958.4 957.2 958.3 965.7 967.8 963.0 967.2 963.1 1995 966.5 966.2 963.7 960.3 962.8 958.1 955.5 957.4 960.2 966.5 963.7 968.5 962.4 1996 969.1 965.0 963.5 963.3 961.6 959.8 959.3 958.8 958.3 964.9 970.9 966.3 963.4 1997 965.1 966.1 961.4 959.3 962.0 957.5 956.1 957.5 962.8 963.0 967.6 965.2 962.0 1998 964.8 965.9 961.7 961.0 961.9 960.0 957.1 959.1 961.4 966.0 966.8 968.9 962.9 1999 966.5 961.6 963.2 963.0 961.8 958.4 957.3 957.1 961.0 963.7 966.7 968.6 962.4 2000 964.7 964.8 963.2 959.8 960.1 959.0 958.1 958.2 960.4 967.0 970.2 966.4 962.7 2001 969.7 963.9 962.8 961.6 959.1 958.1 958.2 958.6 960.8 965.4 964.4 966.1 962.4 2002 966.5 964.6 962.2 960.4 961.6 958.0 958.4 957.1 961.8 964.1 967.6 967.2 962.5 2003 965.7 962.1 964.2 963.3 963.6 959.6 956.9 959.7 962.2 962.7 967.5 968.4 963.0 MEAN 966.4 964.6 963.0 961.6 961.5 958.7 957.6 958.3 961.5 965.5 967.0 967.4 962.8 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 56 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF QFE PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 969.6 964.7 964.1 971.1 976.3 978.4 973.7 ****** DAY ** ** ** ** ** 23 27 29 23 20 21 20 1994 976.1 980.2 974.2 978.3 969.3 962.7 961.9 962.9 970.0 975.7 970.9 978.7 980.2 DAY 10 18 1 5 19 21 2 8 23 24 2 22 1995 979.1 972.5 974.7 971.1 969.5 964.5 959.5 963.3 970.8 979.0 974.4 978.2 979.1 DAY 7 13 3 7 26 1 8 20 22 18 16 10 1996 981.5 974.1 970.1 975.7 967.9 967.4 965.7 968.5 965.1 976.8 981.8 974.5 981.8 DAY 10 13 17 5 7 12 3 29 25 2 18 8 1997 976.9 973.6 978.9 967.2 970.3 963.9 962.0 963.9 970.9 971.6 981.0 974.8 981.0 DAY 24 9 11 20 16 8 20 22 15 8 8 28 1998 973.6 982.0 973.3 971.6 971.4 964.6 963.9 963.5 968.9 978.6 975.2 977.9 982.0 DAY 22 23 26 12 3 17 20 19 12 10 23 29 1999 984.3 972.1 973.9 971.0 968.4 968.2 962.0 964.9 966.5 972.9 976.9 978.6 984.3 DAY 2 11 19 23 9 17 19 20 5 26 30 1 2000 974.6 976.1 975.3 968.5 970.2 966.2 963.2 963.5 966.2 974.1 981.0 974.9 981.0 DAY 15 29 27 2 5 13 31 9 29 16 17 4 2001 977.0 978.0 975.7 974.0 967.6 965.2 961.4 964.9 969.3 975.9 972.6 975.3 978.0 DAY 27 9 11 1 19 2 1 5 20 27 20 10 2002 974.3 979.0 976.7 968.4 970.5 966.5 964.8 964.2 968.0 971.3 975.9 983.2 983.2 DAY 26 19 11 1 17 25 2 30 21 23 17 3 2003 974.5 973.2 976.1 972.2 975.7 967.3 964.6 963.7 971.7 969.4 977.6 984.1 984.1 DAY 19 13 2 29 1 7 4 4 23 16 23 12 1993-2003 984.3 982.0 978.9 978.3 975.7 969.6 965.7 968.5 971.7 979.0 981.8 984.1 984.3 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-23 96- 3 96-29 3-23 95-18 96-18 3-12 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 57 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF QFE PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 952.1 952.2 952.4 953.4 957.4 955.5 962.2 ****** DAY ** ** ** ** ** 17 25 12 14 1 10 28 1994 954.7 952.0 953.7 955.1 951.4 951.1 951.0 952.0 961.4 959.0 951.6 948.0 948.0 DAY 16 1 7 24 1 16 20 11 8 15 26 4 1995 955.3 956.8 950.1 951.9 956.9 944.5 948.1 951.9 954.1 955.2 954.9 958.4 944.5 DAY 17 9 26 20 2 30 16 8 5 4 26 22 1996 956.9 953.6 953.3 951.4 955.6 953.1 955.6 951.0 949.6 950.5 964.5 955.4 949.6 DAY 7 10 26 13 16 1 7 8 8 27 2 25 1997 952.8 959.0 950.9 950.6 951.5 951.8 949.8 949.4 949.7 954.6 957.0 953.8 949.4 DAY 16 23 24 6 4 13 11 13 2 3 5 10 1998 953.3 948.0 945.1 953.5 948.2 955.0 945.7 954.7 952.9 954.1 958.6 956.7 945.1 DAY 30 14 30 22 22 23 6 27 24 2 9 21 1999 954.7 948.7 952.5 950.6 952.3 944.7 951.3 952.5 953.6 958.2 955.4 959.5 944.7 DAY 9 21 21 14 14 25 22 13 13 11 25 14 2000 949.8 954.7 954.7 954.5 952.9 951.7 952.8 950.6 954.2 960.2 964.5 957.2 949.8 DAY 21 7 19 21 27 19 11 3 1 1 13 20 2001 961.0 947.1 949.4 953.5 948.9 947.1 952.3 950.8 954.6 955.9 951.8 955.1 947.1 DAY 1 21 25 26 9 6 19 31 8 25 18 20 2002 953.4 950.5 949.8 948.2 953.1 949.6 949.9 949.5 956.3 955.1 954.7 953.0 948.2 DAY 8 27 27 4 29 19 25 17 18 22 12 21 2003 953.5 947.4 952.1 954.4 955.0 951.1 951.0 954.8 951.4 955.2 958.5 955.7 947.4 DAY 29 19 21 27 31 18 8 13 7 29 14 19 1993-2003 949.8 947.1 945.1 948.2 948.2 944.5 945.7 949.4 949.6 950.5 951.6 948.0 944.5 YEAR-DAY 0-21 1-21 98-30 2- 4 98-22 95-30 98- 6 97-13 96- 8 96-27 94-26 94- 4 95-30 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 58 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF QNH PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1012.6 1013.3 1013.8 1015.4 1023.7 1022.9 1022.8 ****** 1994 1019.7 1019.9 1017.9 1017.5 1014.7 1012.2 1010.9 1012.0 1019.8 1022.0 1017.0 1021.3 1017.1 1995 1020.6 1020.3 1017.6 1014.1 1016.7 1011.9 1009.1 1011.0 1014.0 1020.6 1017.7 1022.7 1016.4 1996 1023.3 1019.0 1017.5 1017.3 1015.5 1013.6 1013.1 1012.5 1012.1 1018.9 1025.2 1020.4 1017.4 1997 1019.1 1020.2 1015.3 1013.1 1015.9 1011.1 1009.7 1011.2 1016.7 1016.9 1021.8 1019.3 1015.9 1998 1018.8 1019.9 1015.6 1014.8 1015.8 1013.8 1010.7 1012.9 1015.3 1020.1 1020.9 1023.1 1016.8 1999 1020.6 1015.4 1017.1 1016.9 1015.7 1012.2 1011.0 1010.7 1014.9 1017.7 1020.8 1022.8 1016.3 2000 1018.8 1018.8 1017.1 1013.6 1013.9 1012.7 1011.8 1011.9 1014.2 1021.1 1024.5 1020.5 1016.6 2001 1023.9 1017.9 1016.7 1015.5 1012.9 1011.8 1011.9 1012.3 1014.7 1019.4 1018.4 1020.1 1016.3 2002 1020.6 1018.6 1016.0 1014.2 1015.5 1011.7 1012.1 1010.8 1015.7 1018.1 1021.7 1021.4 1016.4 2003 1019.7 1016.0 1018.2 1017.2 1017.6 1013.4 1010.5 1013.5 1016.1 1016.6 1021.6 1022.5 1016.9 MEAN 1020.5 1018.6 1016.9 1015.4 1015.4 1012.4 1011.3 1012.1 1015.4 1019.5 1021.1 1021.5 1016.7 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 59 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF QNH PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1023.8 1018.7 1018.1 1025.4 1030.8 1033.0 1028.1 ****** DAY ** ** ** ** ** 23 27 29 23 20 21 20 1994 1030.6 1034.9 1028.6 1032.9 1023.5 1016.6 1015.8 1016.8 1024.2 1030.2 1025.2 1033.3 1034.9 DAY 10 18 1 5 19 21 2 8 23 24 2 22 1995 1033.8 1026.9 1029.2 1025.4 1023.7 1018.5 1013.3 1017.2 1025.1 1033.7 1028.9 1032.8 1033.8 DAY 7 13 3 7 26 1 8 20 22 18 16 10 1996 1036.3 1028.5 1024.4 1030.2 1022.1 1021.5 1019.8 1022.7 1019.1 1031.4 1036.6 1029.0 1036.6 DAY 10 13 17 5 7 12 3 29 25 2 18 8 1997 1031.5 1028.0 1033.6 1021.3 1024.6 1017.9 1015.9 1017.9 1025.2 1025.9 1035.8 1029.3 1035.8 DAY 24 9 11 20 16 8 20 22 15 8 8 28 1998 1028.0 1036.8 1027.7 1025.9 1025.7 1018.6 1017.9 1017.5 1023.1 1033.2 1029.7 1032.5 1036.8 DAY 22 23 26 12 3 17 20 19 12 10 23 29 1999 1039.2 1026.4 1028.3 1025.3 1022.6 1022.4 1015.9 1018.9 1020.6 1027.3 1031.5 1033.2 1039.2 DAY 2 11 19 23 9 17 19 20 5 26 30 1 2000 1029.1 1030.6 1029.8 1022.7 1024.5 1020.3 1017.1 1017.5 1020.3 1028.5 1035.8 1029.4 1035.8 DAY 15 29 27 2 5 13 31 9 29 16 17 4 2001 1031.6 1032.6 1030.2 1028.4 1021.7 1019.2 1015.3 1018.9 1023.5 1030.4 1027.0 1029.8 1032.6 DAY 27 9 11 1 19 2 1 5 20 27 20 10 2002 1028.7 1033.7 1031.3 1022.6 1024.8 1020.6 1018.8 1018.2 1022.2 1025.6 1030.4 1038.0 1038.0 DAY 26 19 11 1 17 25 2 30 21 23 17 3 2003 1029.0 1027.6 1030.6 1026.5 1030.2 1021.4 1018.6 1017.7 1026.0 1023.6 1032.2 1039.0 1039.0 DAY 19 13 2 29 1 7 4 4 23 16 23 12 1993-2003 1039.2 1036.8 1033.6 1032.9 1030.2 1023.8 1019.8 1022.7 1026.0 1033.7 1036.6 1039.0 1039.2 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-23 96- 3 96-29 3-23 95-18 96-18 3-12 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 60 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF QNH PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1005.5 1005.6 1005.8 1006.9 1011.1 1009.1 1016.1 ****** DAY ** ** ** ** ** 17 25 12 14 1 10 28 1994 1008.3 1005.4 1007.2 1008.7 1004.8 1004.5 1004.4 1005.4 1015.3 1012.8 1005.0 1001.3 1001.3 DAY 16 1 7 24 1 16 20 11 8 15 26 4 1995 1008.9 1010.5 1003.4 1005.3 1010.6 997.6 1001.4 1005.3 1007.6 1008.8 1008.5 1012.1 997.6 DAY 17 9 26 20 2 30 16 8 5 4 26 22 1996 1010.6 1007.1 1006.8 1004.8 1009.2 1006.6 1009.2 1004.4 1002.9 1003.9 1018.5 1009.0 1002.9 DAY 7 10 26 13 16 1 7 8 8 27 2 25 1997 1006.3 1012.8 1004.3 1004.0 1004.9 1005.2 1003.1 1002.7 1003.0 1008.2 1010.7 1007.3 1002.7 DAY 16 23 24 6 4 13 11 13 2 3 5 10 1998 1006.8 1001.3 998.2 1007.0 1001.5 1008.6 998.8 1008.3 1006.4 1007.6 1012.3 1010.3 998.2 DAY 30 14 30 22 22 23 6 27 24 2 9 21 1999 1008.3 1002.0 1006.0 1004.0 1005.7 997.8 1004.7 1006.0 1007.1 1011.9 1009.0 1013.3 997.8 DAY 9 21 21 14 14 25 22 13 13 11 25 14 2000 1003.1 1008.3 1008.3 1008.0 1006.4 1005.1 1006.3 1004.0 1007.7 1014.0 1018.5 1010.9 1003.1 DAY 21 7 19 21 27 19 11 3 1 1 13 20 2001 1014.8 1000.3 1002.7 1007.0 1002.2 1000.3 1005.7 1004.2 1008.2 1009.5 1005.2 1008.7 1000.3 DAY 1 21 25 26 9 6 19 31 8 25 18 20 2002 1006.9 1003.9 1003.1 1001.5 1006.6 1002.9 1003.2 1002.8 1009.9 1008.7 1008.3 1006.5 1001.5 DAY 8 27 27 4 29 19 25 17 18 22 12 21 2003 1007.0 1000.6 1005.5 1007.9 1008.6 1004.5 1004.4 1008.4 1004.8 1008.8 1012.2 1009.3 1000.6 DAY 29 19 21 27 31 18 8 13 7 29 14 19 1993-2003 1003.1 1000.3 998.2 1001.5 1001.5 997.6 998.8 1002.7 1002.9 1003.9 1005.0 1001.3 997.6 YEAR-DAY 0-21 1-21 98-30 2- 4 98-22 95-30 98- 6 97-13 96- 8 96-27 94-26 94- 4 95-30 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 61 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF QFF PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1011.0 1011.3 1011.7 1014.0 1023.9 1024.8 1024.8 ****** 1994 1021.7 1022.5 1019.6 1017.9 1013.9 1011.0 1009.1 1009.9 1018.9 1022.2 1017.7 1023.5 1017.3 1995 1022.5 1022.3 1018.9 1014.3 1015.9 1010.1 1006.9 1008.7 1012.4 1020.8 1018.0 1024.7 1016.3 1996 1025.8 1021.2 1019.6 1018.3 1014.7 1012.1 1010.8 1010.2 1010.3 1018.8 1026.6 1021.5 1017.5 1997 1021.1 1022.4 1017.0 1013.1 1015.1 1009.2 1007.4 1008.6 1015.5 1016.1 1022.9 1021.0 1015.8 1998 1021.2 1022.4 1016.0 1014.9 1015.1 1011.5 1008.5 1010.5 1013.8 1019.6 1021.4 1024.4 1016.6 1999 1022.7 1016.5 1018.5 1017.3 1015.1 1010.5 1009.0 1007.9 1013.5 1017.3 1022.2 1024.2 1016.2 2000 1021.0 1020.7 1018.6 1013.0 1013.0 1011.1 1009.3 1009.3 1012.7 1021.4 1025.9 1022.1 1016.5 2001 1026.2 1019.4 1017.6 1015.6 1011.8 1010.1 1009.8 1010.0 1013.0 1019.4 1018.2 1020.4 1016.0 2002 1021.4 1019.3 1016.0 1013.9 1014.2 1009.1 1008.7 1007.5 1012.9 1016.0 1021.5 1023.0 1015.3 2003 1020.6 1016.8 1019.2 1017.0 1016.3 1011.2 1007.7 1010.3 1013.7 1014.6 1021.7 1023.2 1016.0 MEAN 1022.4 1020.4 1018.1 1015.5 1014.5 1010.6 1008.9 1009.5 1013.7 1019.1 1021.9 1023.0 1016.5 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 62 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF QFF PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1024.1 1017.0 1016.8 1025.4 1031.3 1035.9 1031.1 ****** DAY ** ** ** ** ** 23 28 24 23 8 22 9 1994 1033.7 1038.5 1031.4 1035.8 1024.3 1015.7 1015.2 1015.4 1023.3 1031.9 1026.1 1037.2 1038.5 DAY 10 18 1 5 19 4 2 8 15 24 10 22 1995 1036.5 1029.4 1031.8 1027.4 1023.6 1017.7 1011.5 1015.7 1026.0 1036.0 1030.7 1036.2 1036.5 DAY 7 13 3 7 26 1 8 20 22 18 28 10 1996 1040.2 1031.6 1027.7 1032.6 1023.2 1021.1 1018.5 1021.7 1019.3 1031.7 1039.0 1031.0 1040.2 DAY 10 13 17 5 2 12 3 29 24 2 18 2 1997 1034.5 1031.5 1036.5 1022.4 1025.3 1017.7 1014.6 1016.3 1025.6 1026.5 1037.7 1032.2 1037.7 DAY 24 8 11 12 16 4 20 22 15 8 8 28 1998 1031.1 1040.4 1026.5 1026.4 1026.8 1016.1 1016.6 1015.9 1023.5 1035.2 1031.0 1034.3 1040.4 DAY 23 23 4 1 3 17 15 19 12 10 24 3 1999 1043.5 1028.5 1031.9 1026.4 1023.6 1021.7 1014.4 1016.4 1021.3 1029.3 1034.3 1035.9 1043.5 DAY 2 12 19 23 9 17 28 20 24 26 30 1 2000 1032.8 1033.1 1031.8 1024.0 1024.9 1021.1 1014.3 1016.2 1020.2 1030.2 1038.1 1031.5 1038.1 DAY 15 29 27 2 5 13 31 9 26 16 17 10 2001 1035.1 1035.5 1033.9 1030.4 1022.2 1019.8 1014.1 1017.6 1023.5 1032.8 1029.1 1030.5 1035.5 DAY 27 10 11 1 19 2 1 12 20 27 20 10 2002 1030.5 1035.8 1033.4 1022.7 1024.4 1018.2 1017.0 1015.6 1019.6 1025.7 1030.8 1041.5 1041.5 DAY 26 19 11 1 17 25 2 30 21 23 17 3 2003 1031.3 1030.0 1033.1 1027.9 1031.4 1021.3 1015.9 1014.7 1024.2 1021.9 1033.9 1042.0 1042.0 DAY 19 13 2 30 1 7 4 4 23 16 23 12 1993-2003 1043.5 1040.4 1036.5 1035.8 1031.4 1024.1 1018.5 1021.7 1026.0 1036.0 1039.0 1042.0 1043.5 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-23 96- 3 96-29 95-22 95-18 96-18 3-12 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 63 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF QFF PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1001.6 1002.5 1002.8 1005.2 1009.4 1009.0 1016.3 ****** DAY ** ** ** ** ** 28 25 12 14 1 10 28 1994 1008.7 1005.2 1006.7 1006.6 1004.1 1002.4 1001.8 1002.7 1014.1 1011.9 1006.3 1002.3 1001.8 DAY 30 1 7 24 1 16 20 11 27 15 26 4 1995 1008.9 1010.8 1002.6 1003.5 1009.5 993.5 998.3 1002.4 1005.0 1006.1 1008.9 1013.3 993.5 DAY 17 9 26 20 2 30 16 8 5 4 24 22 1996 1010.5 1007.0 1007.8 1005.0 1006.9 1003.6 1006.3 1001.4 1000.5 1001.3 1019.0 1004.2 1000.5 DAY 7 10 26 13 16 1 25 8 8 27 2 25 1997 1007.0 1014.7 1003.7 1004.2 1003.1 1001.7 1000.1 998.7 999.7 1005.4 1009.4 1007.4 998.7 DAY 16 18 24 6 4 13 11 13 2 3 5 9 1998 1008.0 1002.8 996.5 1006.1 998.7 1005.5 996.1 1004.7 1003.6 1005.4 1012.1 1010.9 996.1 DAY 30 8 30 21 22 23 6 31 24 2 19 21 1999 1008.7 1001.9 1005.8 1002.4 1003.1 995.7 1001.8 1002.8 1005.1 1009.8 1008.9 1013.7 995.7 DAY 9 21 21 14 14 25 22 13 13 11 25 16 2000 1003.6 1009.7 1007.6 1005.3 1004.0 1002.1 1003.8 1000.4 1004.7 1014.0 1019.4 1011.3 1000.4 DAY 21 7 19 21 27 19 8 3 8 1 13 20 2001 1015.2 1000.0 1001.2 1004.5 1000.0 997.9 1004.1 1001.6 1005.8 1008.0 1004.5 1007.5 997.9 DAY 1 21 25 26 9 18 10 31 8 25 18 20 2002 1006.1 1002.6 1000.3 1000.5 1003.5 999.3 999.1 999.4 1006.7 1005.9 1006.5 1006.8 999.1 DAY 8 27 27 4 29 19 25 17 18 22 12 21 2003 1007.7 1001.8 1004.9 1005.2 1006.0 1001.2 1001.0 1004.0 1001.5 1005.8 1011.5 1008.5 1001.0 DAY 29 19 21 27 31 18 8 13 7 29 14 19 1993-2003 1003.6 1000.0 996.5 1000.5 998.7 993.5 996.1 998.7 999.7 1001.3 1004.5 1002.3 993.5 YEAR-DAY 0-21 1-21 98-30 2- 4 98-22 95-30 98- 6 97-13 97- 2 96-27 1-18 94- 4 95-30 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 64 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1010.1 1010.3 1010.7 1013.0 1022.7 1023.7 1023.9 ****** 1994 1020.8 1021.6 1018.5 1016.8 1012.8 1009.9 1008.1 1009.0 1017.8 1020.9 1016.6 1022.6 1016.3 1995 1021.4 1021.3 1017.9 1013.2 1014.8 1009.3 1006.0 1007.8 1011.5 1019.9 1016.9 1023.6 1015.3 1996 1024.8 1020.2 1018.6 1017.2 1013.6 1011.1 1009.9 1009.3 1009.3 1017.6 1025.4 1020.5 1016.5 1997 1020.1 1021.5 1016.1 1012.1 1014.0 1008.3 1006.5 1007.8 1014.4 1015.0 1021.9 1020.0 1014.8 1998 1020.3 1021.4 1015.1 1013.8 1014.0 1010.7 1007.6 1009.6 1012.8 1018.8 1020.4 1023.3 1015.6 1999 1021.7 1015.5 1017.5 1016.2 1014.1 1009.6 1008.2 1007.1 1012.5 1016.2 1021.1 1023.2 1015.2 2000 1020.1 1019.7 1017.6 1012.0 1012.0 1010.2 1008.5 1008.5 1011.6 1020.2 1024.8 1021.0 1015.5 2001 1025.2 1018.5 1016.6 1014.5 1010.8 1009.1 1008.9 1009.1 1012.1 1018.3 1018.0 1020.4 1015.1 2002 1021.5 1019.3 1016.0 1013.9 1014.2 1009.2 1008.8 1007.6 1012.9 1016.0 1021.4 1023.0 1015.3 2003 1020.6 1016.9 1019.2 1017.0 1016.4 1011.2 1007.6 1010.3 1013.7 1014.6 1021.7 1023.2 1016.0 MEAN 1021.7 1019.6 1017.3 1014.7 1013.7 1009.9 1008.2 1008.8 1012.9 1018.2 1021.1 1022.2 1015.7 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 65 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF COMPUTED QFF PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1022.7 1015.8 1015.6 1023.9 1030.2 1034.8 1030.1 ****** DAY ** ** ** ** ** 23 28 24 23 8 22 9 1994 1032.7 1037.5 1030.4 1034.7 1023.0 1014.4 1014.0 1014.3 1021.9 1030.6 1025.1 1036.3 1037.5 DAY 10 18 1 5 19 21 2 8 24 24 10 22 1995 1035.4 1028.4 1030.8 1026.3 1022.3 1016.6 1010.5 1014.6 1024.6 1035.0 1029.6 1035.2 1035.4 DAY 7 13 3 7 26 1 8 20 22 18 28 10 1996 1039.1 1030.9 1026.8 1031.6 1022.0 1019.8 1017.4 1020.3 1018.0 1030.3 1037.9 1030.0 1039.1 DAY 10 13 17 5 2 12 3 29 24 2 18 2 1997 1033.4 1030.6 1035.5 1021.4 1023.9 1016.4 1013.5 1015.2 1024.3 1025.2 1036.6 1031.3 1036.6 DAY 24 8 11 12 16 4 20 22 15 8 8 28 1998 1030.2 1039.4 1026.6 1025.3 1025.6 1015.2 1015.3 1014.8 1022.0 1034.1 1029.8 1033.3 1039.4 DAY 23 23 4 1 3 17 15 19 12 10 24 29 1999 1042.4 1027.5 1031.1 1025.1 1022.5 1020.4 1013.3 1015.3 1020.1 1028.3 1033.3 1034.9 1042.4 DAY 2 12 19 23 9 17 13 20 24 26 30 1 2000 1031.9 1032.0 1030.7 1022.8 1023.4 1019.9 1013.3 1015.0 1018.3 1029.1 1037.0 1030.4 1037.0 DAY 15 29 1 2 5 13 31 9 29 16 17 10 2001 1034.1 1034.4 1033.1 1029.4 1020.9 1017.7 1012.9 1016.2 1022.3 1031.8 1029.1 1030.4 1034.4 DAY 27 10 11 1 19 11 1 12 20 27 20 10 2002 1030.4 1035.8 1033.5 1022.6 1024.3 1018.2 1017.0 1015.7 1019.5 1025.7 1030.8 1041.5 1041.5 DAY 26 19 11 1 17 25 2 30 21 23 17 3 2003 1031.2 1030.0 1033.1 1027.9 1031.4 1021.3 1015.9 1014.7 1024.2 1021.9 1033.9 1042.0 1042.0 DAY 19 13 2 30 1 7 4 4 23 16 23 12 1993-2003 1042.4 1039.4 1035.5 1034.7 1031.4 1022.7 1017.4 1020.3 1024.6 1035.0 1037.9 1042.0 1042.4 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-23 96- 3 96-29 95-22 95-18 96-18 3-12 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 66 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF COMPUTED QFF PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1002.0 1001.8 1002.2 1003.9 1008.6 1007.9 1016.2 ****** DAY ** ** ** ** ** 17 25 12 14 1 10 28 1994 1007.7 1004.3 1005.8 1005.9 1003.1 1001.5 1001.3 1001.9 1013.1 1010.9 1005.2 1001.2 1001.2 DAY 30 1 7 24 1 16 20 11 27 15 26 4 1995 1007.9 1009.8 1001.7 1002.8 1008.6 992.9 997.7 1001.6 1004.5 1005.7 1008.0 1012.3 992.9 DAY 17 9 26 20 2 30 16 8 5 4 24 22 1996 1010.1 1006.0 1006.8 1004.0 1006.3 1002.9 1005.1 1000.8 999.1 1000.9 1017.8 1008.2 999.1 DAY 7 10 26 13 16 1 25 8 8 27 2 25 1997 1006.2 1013.6 1002.8 1003.2 1002.4 1001.0 999.4 998.2 999.0 1004.8 1008.5 1006.4 998.2 DAY 16 18 24 6 4 13 11 13 2 3 5 9 1998 1007.1 1001.4 995.7 1005.1 998.1 1004.8 995.5 1004.1 1003.1 1004.7 1011.2 1010.0 995.5 DAY 30 8 30 21 22 23 6 31 24 2 9 21 1999 1007.7 1000.8 1004.9 1001.8 1002.6 994.9 1001.1 1002.2 1004.3 1009.2 1007.9 1012.7 994.9 DAY 9 21 21 14 14 25 22 13 13 11 25 16 2000 1002.9 1008.9 1006.8 1004.7 1003.4 1001.6 1002.9 999.7 1004.0 1012.7 1018.3 1010.3 999.7 DAY 21 7 19 21 27 19 8 3 8 1 13 20 2001 1014.1 999.1 1000.5 1004.0 999.4 997.4 1003.4 1001.0 1005.1 1007.3 1004.5 1007.4 997.4 DAY 1 21 25 26 9 18 10 31 8 25 18 20 2002 1006.1 1002.6 1000.5 1000.6 1003.5 999.6 999.4 999.5 1006.7 1005.9 1006.4 1006.8 999.4 DAY 8 27 27 4 29 19 25 17 18 22 12 21 2003 1007.7 1001.8 1004.9 1005.3 1006.0 1001.2 1001.0 1003.9 1001.5 1005.7 1011.4 1008.4 1001.0 DAY 29 19 21 27 31 18 8 13 7 29 14 19 1993-2003 1002.9 999.1 995.7 1000.6 998.1 992.9 995.5 998.2 999.0 1000.9 1004.5 1001.2 992.9 YEAR-DAY 0-21 1-21 98-30 2- 4 98-22 95-30 98- 6 97-13 97- 2 96-27 1-18 94- 4 95-30 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 67 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF QFE PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 967.9 964.5 962.2 960.9 959.3 960.3 960.9 962.4 970.0 969.0 969.0 ****** 1994 966.0 966.2 964.5 964.2 961.5 959.0 957.9 959.0 966.5 968.2 963.2 967.6 963.6 1995 966.8 966.5 964.2 961.0 963.5 958.8 956.5 958.5 960.9 967.0 964.2 968.8 963.0 1996 969.2 965.4 964.1 964.0 962.1 960.7 960.1 959.6 959.1 965.3 971.2 966.5 963.9 1997 965.4 966.8 962.2 960.0 962.5 958.2 957.0 958.5 963.5 963.4 967.9 965.4 962.6 1998 964.9 966.3 962.2 961.5 962.4 960.8 957.8 959.9 962.1 966.5 967.1 968.9 963.4 1999 966.7 962.2 963.8 963.4 962.7 959.4 957.9 957.9 961.6 964.2 966.8 969.0 963.0 2000 965.1 965.3 963.9 960.4 960.9 959.8 958.9 959.0 961.2 967.3 970.5 966.3 963.2 2001 969.9 964.5 963.1 962.1 959.8 958.9 958.9 959.5 961.6 965.7 964.7 966.3 962.9 2002 966.8 965.0 962.7 960.8 962.3 959.0 959.3 958.2 962.7 964.5 968.0 967.4 963.1 2003 966.1 962.7 964.7 964.0 964.1 960.5 957.7 960.6 963.1 963.2 967.8 968.6 963.6 MEAN 966.7 965.4 963.6 962.1 962.1 959.5 958.4 959.2 962.2 965.9 967.3 967.6 963.3 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 68 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF QFE PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 977.5 975.8 969.9 972.8 970.7 965.5 965.1 971.9 976.6 979.2 975.1 ****** DAY ** 9 16 24 9 22 27 24 23 20 21 6 1994 976.1 980.7 974.2 979.5 969.8 963.3 962.3 963.3 970.8 975.7 971.7 978.7 980.7 DAY 9 18 1 5 18 21 2 8 23 24 2 22 1995 980.3 974.4 975.2 972.1 970.9 964.5 960.5 963.5 970.6 978.7 974.1 979.1 980.3 DAY 7 12 3 7 26 1 8 20 22 25 15 10 1996 982.2 974.6 970.3 976.1 968.6 967.5 967.6 969.5 965.9 978.0 981.9 974.8 982.2 DAY 10 13 16 5 7 12 3 29 27 2 16 1 1997 976.5 975.1 980.9 968.8 970.9 963.9 962.8 964.7 970.9 972.0 981.4 974.0 981.4 DAY 24 21 11 20 16 8 19 22 15 8 7 28 1998 974.4 980.9 975.5 972.4 971.8 965.6 964.6 964.3 969.2 980.4 975.4 978.1 980.9 DAY 22 23 26 12 3 6 15 19 12 9 24 29 1999 985.0 972.8 973.2 971.3 970.0 968.2 962.3 965.6 967.2 972.9 977.2 978.4 985.0 DAY 2 11 19 23 9 17 19 20 5 26 30 1 2000 974.0 977.0 975.6 969.1 969.9 967.2 963.6 964.7 966.7 973.3 981.0 975.5 981.0 DAY 14 29 27 2 5 13 30 23 25 16 17 4 2001 976.8 979.5 976.4 975.2 968.2 965.9 962.6 965.9 969.3 975.9 973.3 974.8 979.5 DAY 26 9 11 1 18 11 1 5 20 27 2 10 2002 974.3 979.2 977.9 968.8 971.0 967.0 965.2 966.5 968.8 970.8 976.5 983.1 983.1 DAY 25 19 10 1 17 25 3 31 21 23 17 3 2003 974.8 971.7 977.1 973.3 976.6 970.0 964.6 964.5 972.4 970.3 976.4 983.5 983.5 DAY 19 24 2 29 1 6 4 4 23 15 23 12 1993-2003 985.0 980.9 980.9 979.5 976.6 970.7 967.6 969.5 972.4 980.4 981.9 983.5 985.0 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-22 96- 3 96-29 3-23 98- 9 96-16 3-12 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 69 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF QFE PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 957.2 950.9 955.0 954.1 953.3 953.7 953.2 954.7 957.2 955.4 962.1 ****** DAY ** 21 8 8 13 17 25 12 14 1 10 5 1994 954.9 948.9 953.5 955.8 953.1 952.6 951.9 953.9 962.0 960.5 950.7 948.6 948.6 DAY 16 1 7 24 1 16 20 11 28 19 26 4 1995 953.8 957.0 953.2 953.2 956.1 946.6 949.5 952.3 954.8 955.0 955.7 958.9 946.6 DAY 17 9 26 19 2 30 16 12 5 4 24 22 1996 959.3 955.8 955.0 948.7 955.1 952.8 955.6 951.3 949.6 950.3 965.2 955.0 948.7 DAY 7 10 2 13 29 1 7 8 8 27 6 25 1997 953.2 960.1 951.7 949.9 951.5 953.6 950.9 950.3 952.2 957.7 956.6 954.1 949.9 DAY 16 4 24 5 4 13 11 13 2 2 5 9 1998 952.5 948.0 944.2 953.4 950.8 955.6 948.6 955.6 954.6 954.5 959.4 956.1 944.2 DAY 13 14 30 21 21 23 6 11 24 1 9 21 1999 953.1 951.2 952.8 951.5 950.4 946.9 953.9 952.5 954.8 958.1 955.2 959.1 946.9 DAY 9 20 21 14 14 25 22 13 13 31 25 14 2000 950.0 956.7 955.4 953.5 954.3 952.6 953.8 949.4 953.5 961.6 964.5 957.2 949.4 DAY 21 7 19 10 27 8 8 3 7 10 13 20 2001 962.0 946.0 950.3 954.0 948.9 947.9 953.5 951.8 954.5 956.9 951.8 954.5 946.0 DAY 11 21 24 12 9 17 9 31 8 6 18 20 2002 954.4 950.5 950.7 948.9 953.8 951.8 951.1 949.8 957.8 955.6 954.1 951.1 948.9 DAY 8 27 28 4 29 19 25 17 19 22 12 21 2003 956.6 948.3 951.1 954.4 955.9 952.5 951.3 956.0 954.3 955.2 959.0 955.2 948.3 DAY 29 19 26 21 30 18 7 13 7 29 21 19 1993-2003 950.0 946.0 944.2 948.7 948.9 946.6 948.6 949.4 949.6 950.3 950.7 948.6 944.2 YEAR-DAY 0-21 1-21 98-30 96-13 1- 9 95-30 98- 6 0- 3 96- 8 96-27 94-26 94- 4 98-30 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 70 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF QNH PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1022.1 1018.5 1016.1 1014.8 1013.1 1014.1 1014.8 1016.3 1024.2 1023.2 1023.2 ****** 1994 1020.0 1020.3 1018.5 1018.2 1015.3 1012.8 1011.6 1012.8 1020.6 1022.4 1017.1 1021.7 1017.6 1995 1020.9 1020.6 1018.2 1014.8 1017.5 1012.5 1010.1 1012.2 1014.8 1021.1 1018.1 1022.9 1017.0 1996 1023.4 1019.4 1018.0 1017.9 1016.0 1014.5 1013.9 1013.4 1012.8 1019.3 1025.6 1020.6 1017.9 1997 1019.4 1020.9 1016.1 1013.8 1016.4 1011.9 1010.6 1012.2 1017.4 1017.4 1022.1 1019.5 1016.5 1998 1018.9 1020.4 1016.1 1015.3 1016.3 1014.7 1011.5 1013.7 1016.0 1020.6 1021.2 1023.1 1017.3 1999 1020.8 1016.1 1017.8 1017.4 1016.6 1013.1 1011.6 1011.6 1015.5 1018.2 1020.9 1023.2 1016.9 2000 1019.1 1019.4 1017.9 1014.2 1014.7 1013.6 1012.7 1012.8 1015.0 1021.5 1024.8 1020.4 1017.2 2001 1024.1 1018.5 1017.0 1016.0 1013.5 1012.6 1012.6 1013.2 1015.5 1019.8 1018.7 1020.3 1016.8 2002 1020.9 1019.0 1016.6 1014.6 1016.2 1012.7 1013.1 1011.9 1016.6 1018.5 1022.2 1021.6 1017.0 2003 1020.2 1016.7 1018.7 1018.0 1018.1 1014.3 1011.4 1014.4 1017.1 1017.2 1022.0 1022.8 1017.6 MEAN 1020.8 1019.4 1017.6 1016.0 1015.9 1013.3 1012.1 1013.0 1016.1 1020.0 1021.4 1021.8 1017.3 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 71 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF QNH PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1032.1 1030.3 1024.1 1027.2 1025.0 1019.5 1019.1 1026.2 1031.1 1033.9 1029.6 ****** DAY ** 9 16 24 9 22 27 24 23 20 21 6 1994 1030.6 1035.4 1028.6 1034.2 1024.0 1017.2 1016.2 1017.2 1025.1 1030.2 1026.0 1033.3 1035.4 DAY 9 18 1 5 18 21 2 8 23 24 2 22 1995 1035.0 1028.9 1029.7 1026.4 1025.2 1018.5 1014.3 1017.5 1024.9 1033.3 1028.5 1033.8 1035.0 DAY 7 12 3 7 26 1 8 20 22 25 15 10 1996 1037.0 1029.1 1024.6 1030.6 1022.8 1021.6 1021.7 1023.7 1020.0 1032.6 1036.7 1029.3 1037.0 DAY 10 13 16 5 7 12 3 29 27 2 16 1 1997 1031.0 1029.6 1035.6 1023.0 1025.2 1017.9 1016.7 1018.7 1025.2 1026.3 1036.2 1028.4 1036.2 DAY 24 21 11 20 16 8 19 22 15 8 7 28 1998 1028.9 1035.6 1030.0 1026.8 1026.1 1019.7 1018.6 1018.3 1023.4 1035.1 1029.9 1032.7 1035.6 DAY 22 23 26 12 3 6 15 19 12 9 24 29 1999 1039.9 1027.2 1027.6 1025.6 1024.2 1022.4 1016.2 1019.7 1021.3 1027.3 1031.8 1033.0 1039.9 DAY 2 11 19 23 9 17 19 20 5 26 30 1 2000 1028.4 1031.6 1030.1 1023.3 1024.1 1021.3 1017.6 1018.7 1020.8 1027.7 1035.8 1030.0 1035.8 DAY 14 29 27 2 5 13 30 23 25 16 17 4 2001 1031.4 1034.2 1030.9 1029.7 1022.4 1020.0 1016.5 1020.0 1023.5 1030.4 1027.7 1029.3 1034.2 DAY 26 9 11 1 18 11 1 5 20 27 2 10 2002 1028.7 1033.9 1032.5 1023.0 1025.3 1021.1 1019.2 1020.6 1023.0 1025.1 1031.0 1037.9 1037.9 DAY 25 19 10 1 17 25 3 31 21 23 17 3 2003 1029.3 1026.0 1031.7 1027.7 1031.1 1024.2 1018.6 1018.5 1026.8 1024.6 1030.9 1038.4 1038.4 DAY 19 24 2 29 1 6 4 4 23 15 23 12 1993-2003 1039.9 1035.6 1035.6 1034.2 1031.1 1025.0 1021.7 1023.7 1026.8 1035.1 1036.7 1038.4 1039.9 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-22 96- 3 96-29 3-23 98- 9 96-16 3-12 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 72 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF QNH PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1010.9 1004.3 1008.6 1007.6 1006.8 1007.2 1006.7 1008.3 1010.9 1009.0 1016.0 ****** DAY ** 21 8 8 13 17 25 12 14 1 10 5 1994 1008.5 1002.2 1007.0 1009.4 1006.6 1006.1 1005.3 1007.4 1015.9 1014.3 1004.1 1001.9 1001.9 DAY 16 1 7 24 1 16 20 11 28 19 26 4 1995 1007.3 1010.7 1006.7 1006.7 1009.7 999.8 1002.8 1005.7 1008.4 1008.6 1009.3 1012.6 999.8 DAY 17 9 26 19 2 30 16 12 5 4 24 22 1996 1013.1 1009.4 1008.6 1002.0 1008.7 1006.3 1009.2 1004.7 1002.9 1003.7 1019.2 1008.6 1002.0 DAY 7 10 2 13 29 1 7 8 8 27 6 25 1997 1006.7 1013.9 1005.1 1003.2 1004.9 1007.1 1004.3 1003.7 1005.6 1011.4 1010.2 1007.6 1003.2 DAY 16 4 24 5 4 13 11 13 2 2 5 9 1998 1006.0 1001.3 997.3 1006.9 1004.2 1009.2 1001.9 1009.2 1008.2 1008.0 1013.2 1009.7 997.3 DAY 13 14 30 21 21 23 6 11 24 1 9 21 1999 1006.6 1004.6 1006.3 1004.9 1003.8 1000.1 1007.4 1006.0 1008.4 1011.8 1008.8 1012.9 1000.1 DAY 9 20 21 14 14 25 22 13 13 31 25 14 2000 1003.3 1010.3 1009.0 1007.0 1007.8 1006.1 1007.3 1002.7 1007.0 1015.5 1018.5 1010.9 1002.7 DAY 21 7 19 10 27 8 8 3 7 10 13 20 2001 1015.9 999.2 1003.7 1007.5 1002.2 1001.1 1007.0 1005.2 1008.0 1010.6 1005.2 1008.0 999.2 DAY 11 21 24 12 9 17 9 31 8 6 18 20 2002 1007.9 1003.9 1004.1 1002.2 1007.3 1005.2 1004.5 1003.1 1011.5 1009.2 1007.6 1004.5 1002.2 DAY 8 27 28 4 29 19 25 17 19 22 12 21 2003 1010.2 1001.6 1004.5 1007.9 1009.5 1006.0 1004.7 1009.6 1007.8 1008.8 1012.8 1008.8 1001.6 DAY 29 19 26 21 30 18 7 13 7 29 21 19 1993-2003 1003.3 999.2 997.3 1002.0 1002.2 999.8 1001.9 1002.7 1002.9 1003.7 1004.1 1001.9 997.3 YEAR-DAY 0-21 1-21 98-30 96-13 1- 9 95-30 98- 6 0- 3 96- 8 96-27 94-26 94- 4 98-30 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 73 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF QFF PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1024.9 1020.3 1016.7 1014.4 1011.6 1012.3 1012.8 1015.1 1024.9 1025.2 1025.4 ****** 1994 1022.3 1023.2 1020.2 1018.9 1014.6 1011.6 1009.9 1011.0 1020.1 1022.8 1018.1 1024.2 1018.1 1995 1022.9 1022.8 1019.7 1015.2 1016.7 1010.9 1007.9 1010.1 1013.5 1021.7 1018.9 1025.2 1017.1 1996 1026.2 1021.8 1020.3 1019.0 1015.3 1013.2 1011.8 1011.3 1011.4 1019.5 1027.2 1022.1 1018.3 1997 1021.6 1023.5 1018.1 1014.0 1015.7 1010.2 1008.5 1009.9 1016.5 1017.0 1023.5 1021.4 1016.7 1998 1021.5 1023.1 1016.9 1015.6 1015.7 1012.4 1009.4 1011.6 1014.9 1020.8 1022.1 1024.5 1017.4 1999 1023.1 1017.5 1019.4 1018.0 1016.1 1011.5 1009.8 1009.0 1014.4 1018.1 1022.5 1024.9 1017.0 2000 1021.7 1021.5 1019.7 1013.9 1014.0 1012.0 1010.2 1010.3 1013.7 1022.0 1026.4 1022.2 1017.3 2001 1026.7 1020.3 1018.1 1016.4 1012.6 1010.9 1010.6 1011.0 1014.2 1020.1 1018.9 1020.7 1016.7 2002 1022.0 1020.0 1016.7 1014.4 1015.0 1010.1 1009.8 1008.8 1014.0 1016.8 1022.1 1023.5 1016.1 2003 1021.3 1017.8 1019.6 1018.0 1016.9 1012.2 1008.7 1011.4 1014.9 1015.6 1022.3 1023.7 1016.9 MEAN 1022.9 1021.5 1019.0 1016.4 1015.2 1011.5 1009.9 1010.7 1014.8 1019.9 1022.5 1023.4 1017.3 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 74 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF QFF PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1034.3 1033.3 1026.2 1029.1 1025.3 1017.8 1018.2 1026.5 1031.9 1037.1 1032.3 ****** DAY ** 9 16 24 9 22 27 24 23 8 30 6 1994 1033.4 1039.1 1031.4 1037.2 1024.9 1016.8 1015.4 1016.4 1024.4 1031.9 1026.9 1037.4 1039.1 DAY 9 18 1 5 18 4 1 8 15 24 2 22 1995 1037.3 1031.0 1032.5 1028.5 1025.9 1017.4 1012.7 1016.3 1025.9 1035.5 1030.8 1037.1 1037.3 DAY 7 12 3 7 26 1 8 20 22 18 28 10 1996 1040.9 1032.5 1027.7 1033.4 1023.3 1021.3 1020.7 1022.2 1020.2 1033.4 1039.4 1032.1 1040.9 DAY 10 13 17 5 7 12 3 29 24 2 18 1 1997 1034.3 1032.3 1039.0 1023.9 1026.1 1017.9 1014.9 1017.5 1025.8 1027.1 1038.5 1031.4 1039.0 DAY 24 21 11 20 16 4 19 22 15 8 7 28 1998 1032.0 1039.3 1027.7 1027.8 1027.4 1017.6 1017.8 1016.8 1023.9 1037.6 1031.4 1034.6 1039.3 DAY 22 23 4 1 3 6 15 19 12 9 24 29 1999 1044.3 1029.3 1031.3 1026.8 1025.3 1021.9 1015.9 1017.2 1021.6 1029.2 1035.0 1035.9 1044.3 DAY 2 11 19 23 9 17 13 20 28 26 30 1 2000 1032.2 1034.2 1032.3 1024.6 1024.7 1022.2 1014.8 1016.7 1020.8 1029.5 1038.4 1032.0 1038.4 DAY 15 29 27 2 5 13 30 9 25 16 17 4 2001 1035.2 1036.9 1034.8 1031.8 1022.9 1019.8 1015.6 1018.3 1023.8 1032.8 1029.4 1030.1 1036.9 DAY 26 9 11 1 18 11 1 12 20 27 2 10 2002 1030.7 1036.3 1031.7 1023.2 1025.1 1018.7 1017.0 1019.0 1020.6 1025.4 1031.5 1041.4 1041.4 DAY 14 19 11 1 17 25 2 31 21 23 17 3 2003 1031.6 1028.1 1033.4 1029.0 1032.6 1023.3 1016.1 1015.7 1025.3 1023.1 1032.8 1041.6 1041.6 DAY 19 13 2 29 1 6 4 4 27 15 23 12 1993-2003 1044.3 1039.3 1039.0 1037.2 1032.6 1025.3 1020.7 1022.2 1026.5 1037.6 1039.4 1041.6 1044.3 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-22 96- 3 96-29 93-23 98- 9 96-18 3-12 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 75 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF QFF PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1012.5 1004.1 1007.5 1005.9 1003.4 1004.1 1003.5 1006.7 1009.7 1009.4 1018.2 ****** DAY ** 21 8 11 13 28 25 12 14 1 10 18 1994 1009.1 1002.1 1006.7 1007.9 1004.9 1003.6 1002.8 1004.8 1015.0 1013.7 1004.7 1003.0 1002.1 DAY 30 1 7 24 13 16 20 11 1 19 26 4 1995 1007.7 1011.4 1006.7 1006.4 1008.7 996.1 999.9 1002.2 1005.9 1006.5 1008.9 1013.9 996.1 DAY 17 9 26 19 2 30 16 12 5 4 24 22 1996 1013.8 1009.7 1010.1 1000.4 1006.7 1002.9 1006.7 1001.7 999.9 1001.9 1020.2 1009.0 999.9 DAY 7 10 2 13 29 1 7 8 8 27 6 25 1997 1007.9 1015.6 1005.2 1002.5 1003.1 1004.1 1001.3 1000.2 1002.9 1009.8 1009.3 1007.7 1000.2 DAY 16 4 24 5 4 13 11 13 2 2 5 9 1998 1007.8 1003.6 996.6 1006.4 1001.6 1005.8 999.1 1006.1 1006.2 1006.6 1013.4 1010.2 996.6 DAY 30 14 30 21 21 23 6 11 24 1 9 21 1999 1007.1 1004.9 1006.3 1004.0 1001.5 997.9 1004.7 1002.8 1006.6 1011.0 1008.9 1013.6 997.9 DAY 9 20 21 14 14 25 22 13 13 11 25 14 2000 1004.2 1012.1 1009.1 1005.6 1005.6 1003.0 1004.3 998.9 1004.5 1015.5 1019.6 1011.5 998.9 DAY 21 7 19 21 27 19 8 3 7 10 13 20 2001 1016.6 998.9 1002.8 1005.9 1000.2 997.6 1004.4 1002.9 1005.8 1008.9 1005.0 1006.8 997.6 DAY 11 21 24 26 9 17 9 31 8 6 18 20 2002 1007.6 1003.1 1001.7 1001.9 1004.1 1001.8 1000.6 999.7 1008.6 1007.0 1006.2 1004.9 999.7 DAY 8 27 28 4 29 19 25 17 18 22 12 21 2003 1010.5 1003.0 1003.6 1005.8 1007.0 1002.7 1001.5 1005.3 1005.0 1006.2 1013.3 1008.2 1001.5 DAY 13 19 26 26 31 18 7 13 7 29 10 19 1993-2003 1004.2 998.9 996.6 1000.4 1000.2 996.1 999.1 998.9 999.9 1001.9 1004.7 1003.0 996.1 YEAR-DAY 0-21 1-21 98-30 96-13 1- 9 95-30 98- 6 0- 3 96- 8 96-27 94-26 94- 4 95-30 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 76 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1024.0 1019.3 1015.7 1013.2 1010.6 1011.3 1011.8 1014.1 1023.6 1024.3 1024.4 ****** 1994 1021.4 1022.3 1019.2 1017.8 1013.6 1010.6 1008.9 1010.0 1018.8 1021.7 1017.0 1023.3 1017.0 1995 1022.0 1021.8 1018.7 1014.1 1015.6 1009.9 1007.1 1009.1 1012.5 1020.9 1017.8 1024.2 1016.1 1996 1025.2 1020.9 1019.3 1017.9 1014.2 1012.0 1010.7 1010.3 1010.5 1018.4 1026.1 1021.1 1017.2 1997 1020.6 1022.6 1017.2 1013.0 1014.7 1009.2 1007.6 1009.0 1015.3 1015.8 1022.4 1020.4 1015.6 1998 1020.5 1022.2 1015.9 1014.6 1014.6 1011.6 1008.5 1010.6 1013.9 1019.7 1021.0 1023.6 1016.4 1999 1022.1 1016.6 1018.4 1016.9 1015.1 1010.6 1008.9 1008.2 1013.3 1017.0 1021.5 1023.8 1016.0 2000 1020.8 1020.6 1018.8 1012.9 1012.9 1011.1 1009.4 1009.5 1012.6 1020.8 1025.4 1021.2 1016.3 2001 1025.7 1019.4 1017.1 1015.2 1011.6 1010.0 1009.7 1010.1 1013.2 1018.9 1018.6 1020.8 1015.9 2002 1022.1 1020.0 1016.7 1014.4 1015.1 1010.2 1009.9 1008.9 1014.1 1016.8 1022.1 1023.4 1016.1 2003 1021.3 1017.8 1019.7 1018.0 1017.0 1012.2 1008.7 1011.3 1014.9 1015.6 1022.3 1023.7 1016.9 MEAN 1022.2 1020.7 1018.2 1015.5 1014.3 1010.7 1009.1 1009.9 1013.9 1019.0 1021.7 1022.7 1016.5 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 77 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF COMPUTED QFF PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1033.4 1032.2 1025.3 1028.0 1023.8 1016.7 1016.9 1025.0 1030.9 1036.0 1031.5 ****** DAY ** 9 16 24 9 22 27 24 23 8 30 6 1994 1032.3 1038.1 1030.4 1036.0 1023.7 1015.5 1014.2 1015.0 1022.9 1030.8 1025.5 1036.6 1038.1 DAY 9 18 1 5 18 4 2 8 23 24 2 22 1995 1036.8 1030.0 1031.4 1027.4 1023.6 1016.4 1011.6 1015.1 1024.6 1034.4 1029.8 1036.2 1036.8 DAY 7 12 3 7 26 1 8 20 22 18 28 10 1996 1040.0 1031.6 1026.8 1032.3 1021.9 1020.0 1019.5 1021.6 1019.0 1032.0 1038.3 1031.1 1040.0 DAY 10 13 17 5 7 12 3 29 24 2 18 1 1997 1033.3 1031.2 1037.9 1022.7 1024.6 1016.6 1013.8 1016.3 1024.4 1025.8 1037.4 1030.4 1037.9 DAY 24 21 11 12 16 4 19 22 15 8 7 28 1998 1031.1 1038.4 1026.7 1026.7 1026.2 1016.7 1016.5 1015.7 1022.6 1036.5 1030.3 1033.5 1038.4 DAY 22 23 4 1 3 6 15 19 12 9 24 29 1999 1043.4 1028.3 1030.4 1025.5 1024.1 1020.6 1014.6 1016.2 1020.2 1028.2 1033.9 1034.9 1043.4 DAY 2 11 19 23 9 17 13 20 28 26 30 1 2000 1031.3 1033.1 1031.3 1023.4 1023.4 1020.9 1013.8 1015.5 1019.6 1028.4 1037.4 1030.9 1037.4 DAY 15 29 27 2 5 13 30 23 25 16 17 4 2001 1034.2 1036.0 1033.8 1030.7 1021.5 1018.5 1014.3 1016.7 1022.6 1031.7 1028.2 1030.1 1036.0 DAY 26 9 11 1 19 11 1 12 20 27 2 10 2002 1030.7 1036.2 1033.5 1023.2 1025.0 1018.7 1017.0 1018.9 1020.6 1025.4 1031.5 1041.5 1041.5 DAY 25 19 10 1 17 25 2 31 21 23 17 3 2003 1031.6 1028.1 1034.3 1028.9 1032.7 1023.3 1016.0 1015.7 1025.3 1023.1 1032.7 1041.6 1041.6 DAY 19 28 2 29 1 6 4 4 27 15 23 12 1993-2003 1043.4 1038.4 1037.9 1036.0 1032.7 1023.8 1019.5 1021.6 1025.3 1036.5 1038.3 1041.6 1043.4 YEAR-DAY 99- 2 98-23 97-11 94- 5 3- 1 93-22 96- 3 96-29 3-27 98- 9 96-18 3-12 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 78 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF COMPUTED QFF PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1011.7 1003.0 1006.7 1005.2 1002.7 1003.4 1003.4 1005.7 1008.8 1008.4 1017.2 ****** DAY ** 21 8 11 13 28 25 12 14 1 10 18 1994 1008.2 1001.2 1005.8 1007.2 1004.2 1002.9 1002.1 1004.0 1013.9 1012.6 1003.8 1002.1 1001.2 DAY 30 1 7 24 13 16 20 11 28 19 26 4 1995 1006.8 1010.4 1005.6 1005.3 1007.7 995.5 999.2 1001.6 1005.4 1005.9 1007.8 1012.9 995.5 DAY 17 9 26 19 2 30 16 12 5 4 24 22 1996 1012.8 1008.8 1009.2 999.8 1005.9 1002.3 1006.0 1001.0 999.5 1001.2 1019.2 1008.1 999.5 DAY 7 10 26 13 29 1 7 8 8 27 6 25 1997 1006.9 1014.7 1004.2 1001.5 1002.4 1003.4 1000.5 999.5 1002.1 1009.0 1008.3 1006.6 999.5 DAY 16 4 24 5 4 13 11 13 2 2 5 9 1998 1006.9 1002.8 995.7 1005.2 1001.1 1005.2 998.5 1005.4 1005.4 1005.7 1012.4 1009.3 995.7 DAY 30 14 30 21 21 23 6 11 24 1 9 21 1999 1006.2 1004.0 1005.5 1003.2 1001.0 997.1 1004.1 1002.2 1005.7 1010.2 1008.0 1012.6 997.1 DAY 9 20 21 14 14 25 22 13 13 11 25 14 2000 1003.4 1011.3 1008.2 1005.0 1005.0 1002.5 1003.6 998.3 1003.8 1014.4 1018.6 1010.5 998.3 DAY 21 7 19 21 27 19 8 3 7 10 13 20 2001 1015.5 998.0 1002.0 1005.1 999.6 997.1 1003.7 1002.1 1005.1 1008.2 1005.0 1006.8 997.1 DAY 11 21 24 26 9 17 9 31 8 6 18 20 2002 1007.7 1003.1 1001.7 1002.0 1004.2 1001.9 1000.8 999.8 1008.8 1007.0 1006.2 1004.9 999.8 DAY 8 27 28 4 29 19 25 17 18 22 12 21 2003 1010.5 1003.0 1003.6 1005.8 1007.0 1002.8 1001.5 1005.2 1004.9 1006.1 1013.4 1008.1 1001.5 DAY 13 19 26 26 31 18 7 13 7 29 10 19 1993-2003 1003.4 998.0 995.7 999.8 999.6 995.5 998.5 998.3 999.5 1001.2 1003.8 1002.1 995.5 YEAR-DAY 0-21 1-21 98-30 96-13 1- 9 95-30 98- 6 0- 3 96- 8 96-27 94-26 94- 4 95-30 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 79 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF QFE PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 968.9 965.6 962.9 961.5 959.5 960.4 961.3 962.9 970.9 969.7 969.6 ****** 1994 966.8 966.9 965.5 964.7 962.0 959.0 957.7 959.3 967.1 969.0 964.2 968.3 964.2 1995 967.7 967.2 965.2 961.6 963.7 958.8 956.4 958.8 961.4 968.0 964.9 969.3 963.6 1996 970.1 966.4 964.6 964.9 962.5 960.8 960.1 960.1 959.5 966.1 972.1 967.3 964.5 1997 966.2 967.9 962.8 960.6 962.9 958.3 956.9 959.1 964.0 964.3 968.6 966.4 963.2 1998 965.7 967.0 963.3 962.2 962.8 961.1 958.0 960.3 962.7 967.5 968.1 969.8 964.0 1999 967.7 963.3 964.7 964.0 963.0 959.4 958.1 958.5 962.3 965.2 967.4 969.6 963.6 2000 966.0 966.1 964.8 961.0 961.1 959.7 959.1 959.5 961.8 968.2 971.2 967.1 963.8 2001 970.8 965.4 963.9 962.6 959.9 959.0 959.0 960.0 962.4 966.6 965.5 967.1 963.5 2002 967.6 966.7 963.8 961.2 962.7 959.1 959.6 958.4 963.3 965.2 968.9 968.4 963.7 2003 967.0 963.7 965.5 964.6 964.4 960.7 957.8 960.9 963.6 964.0 968.8 969.3 964.2 MEAN 967.6 966.3 964.5 962.8 962.4 959.6 958.5 959.6 962.8 966.8 968.1 968.4 963.9 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 80 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF QFE PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 979.0 977.3 970.5 973.1 971.5 965.7 965.7 971.7 977.4 980.0 976.9 ****** DAY ** 9 16 23 9 22 27 24 23 20 21 6 1994 977.9 981.4 975.6 980.2 970.6 963.4 961.8 963.4 971.6 976.2 972.9 978.5 981.4 DAY 9 18 1 5 18 21 1 15 23 24 2 22 1995 980.8 975.8 976.3 972.6 971.2 964.7 960.9 963.9 970.9 980.6 976.2 980.2 980.8 DAY 7 12 3 7 26 1 23 24 27 17 15 10 1996 983.0 975.8 971.0 977.2 969.1 967.4 968.3 970.7 967.2 978.1 983.1 976.2 983.1 DAY 10 13 16 4 7 12 3 29 24 2 18 1 1997 976.4 975.1 980.9 970.6 971.0 963.9 963.4 964.8 971.8 973.2 982.6 974.5 982.6 DAY 24 21 11 20 16 8 19 21 15 8 7 17 1998 975.9 980.9 976.6 972.7 972.7 965.8 965.2 964.7 969.7 981.4 976.5 979.9 981.4 DAY 22 23 26 12 3 6 15 19 12 9 24 29 1999 985.7 974.3 973.2 971.9 970.0 967.0 962.7 966.2 968.1 974.3 978.4 979.7 985.7 DAY 2 11 1 22 9 16 18 20 5 26 30 24 2000 975.2 978.6 975.6 970.0 969.5 968.2 964.4 964.3 967.6 973.3 981.7 976.9 981.7 DAY 13 29 27 2 5 13 30 23 25 15 17 4 2001 977.8 980.7 977.4 977.2 968.4 965.7 962.7 966.4 969.7 977.0 974.1 975.4 980.7 DAY 26 9 11 1 18 11 1 5 20 27 2 10 2002 976.2 979.5 980.9 969.8 971.2 966.8 965.3 967.0 969.1 970.9 977.6 984.4 984.4 DAY 27 19 10 1 17 25 2 31 30 23 17 3 2003 975.4 973.4 978.7 974.0 977.8 971.4 964.4 964.7 972.7 971.7 976.9 983.8 983.8 DAY 19 28 2 29 1 6 3 16 26 15 23 12 1993-2003 985.7 981.4 980.9 980.2 977.8 971.5 968.3 970.7 972.7 981.4 983.1 984.4 985.7 YEAR-DAY 99- 2 94-18 97-11 94- 5 3- 1 93-22 96- 3 96-29 3-26 98- 9 96-18 2- 3 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 81 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF QFE PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 957.9 951.8 954.0 955.8 953.6 954.9 953.4 955.2 956.9 955.7 961.7 ****** DAY ** 21 8 8 31 28 24 12 14 1 10 5 1994 953.7 950.1 953.2 956.3 954.9 953.3 952.6 954.3 963.0 961.1 953.7 953.3 950.1 DAY 16 1 7 24 1 16 20 1 1 19 26 4 1995 957.1 957.5 952.7 952.9 955.4 949.3 950.4 951.7 953.2 957.2 955.4 959.6 949.3 DAY 17 8 25 19 2 29 16 12 20 4 24 22 1996 958.6 955.4 955.5 948.6 954.6 952.5 954.9 951.5 949.8 954.1 965.0 956.8 948.6 DAY 6 9 26 13 29 1 7 8 8 27 6 25 1997 956.8 960.4 952.1 949.0 951.9 954.0 950.9 951.2 952.1 957.5 957.4 954.5 949.0 DAY 16 22 17 5 4 30 11 5 2 2 5 9 1998 953.1 950.0 951.2 952.8 950.9 956.2 949.3 956.2 956.5 954.6 960.4 960.9 949.3 DAY 13 14 30 21 21 24 5 11 24 1 1 21 1999 953.4 950.2 953.3 954.1 953.9 948.2 953.9 952.7 955.2 958.7 955.6 959.1 948.2 DAY 9 20 21 14 14 25 16 13 15 11 25 14 2000 950.7 957.1 956.0 951.9 955.2 952.8 953.2 949.6 953.8 962.4 965.5 957.6 949.6 DAY 21 7 19 10 26 19 8 3 7 1 13 21 2001 963.7 945.5 950.9 952.8 949.5 947.7 954.4 952.6 954.7 956.4 953.9 954.7 945.5 DAY 1 21 24 12 9 6 10 31 8 6 18 20 2002 954.8 952.8 952.1 949.7 953.7 952.4 951.4 951.0 957.4 957.2 954.6 949.8 949.7 DAY 8 25 27 4 29 19 25 17 19 30 12 21 2003 955.8 950.3 954.8 954.2 955.9 953.0 951.3 957.3 955.7 954.1 959.3 955.0 950.3 DAY 28 19 19 26 30 18 7 6 6 27 21 19 1993-2003 950.7 945.5 950.9 948.6 949.5 947.7 949.3 949.6 949.8 954.1 953.7 949.8 945.5 YEAR-DAY 0-21 1-21 1-24 96-13 1- 9 1- 6 98- 5 0- 3 96- 8 96-27 94-26 2-21 1-21 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 82 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF QNH PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1023.1 1019.6 1016.8 1015.3 1013.3 1014.2 1015.2 1016.9 1025.1 1023.9 1023.8 ****** 1994 1020.9 1021.0 1019.5 1018.7 1015.9 1012.7 1011.4 1013.1 1021.2 1023.2 1018.1 1022.4 1018.2 1995 1021.9 1021.3 1019.3 1015.5 1017.6 1012.5 1010.0 1012.5 1015.2 1022.2 1018.9 1023.5 1017.5 1996 1024.4 1020.5 1018.6 1018.9 1016.4 1014.6 1013.9 1013.9 1013.3 1020.2 1026.4 1021.5 1018.5 1997 1020.3 1022.1 1016.8 1014.5 1016.8 1012.0 1010.6 1012.8 1018.0 1018.3 1022.8 1020.5 1017.1 1998 1019.8 1021.1 1017.2 1016.1 1016.7 1014.9 1011.7 1014.1 1016.6 1021.7 1022.2 1024.0 1018.0 1999 1021.8 1017.3 1018.7 1018.0 1017.0 1013.2 1011.8 1012.3 1016.2 1019.2 1021.6 1023.8 1017.6 2000 1020.1 1020.2 1018.8 1014.8 1014.9 1013.5 1012.8 1013.2 1015.7 1022.3 1025.5 1021.2 1017.8 2001 1025.1 1019.5 1017.9 1016.5 1013.7 1012.8 1012.8 1013.8 1016.3 1020.7 1019.5 1021.2 1017.5 2002 1021.8 1020.8 1017.8 1015.1 1016.6 1012.9 1013.3 1012.1 1017.2 1019.2 1023.1 1022.6 1017.7 2003 1021.1 1017.7 1019.6 1018.6 1018.4 1014.6 1011.5 1014.7 1017.6 1018.0 1023.0 1023.5 1018.2 MEAN 1021.7 1020.4 1018.5 1016.7 1016.3 1013.4 1012.2 1013.4 1016.7 1020.9 1022.3 1022.6 1017.9 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 83 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF QNH PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1033.7 1031.9 1024.8 1027.5 1025.8 1019.8 1019.8 1026.0 1032.0 1034.7 1031.5 ****** DAY ** 9 16 23 9 22 27 24 23 20 21 6 1994 1032.5 1036.2 1030.1 1034.9 1024.9 1017.3 1015.7 1017.3 1025.9 1030.7 1027.3 1033.1 1036.2 DAY 9 18 1 5 18 21 1 15 23 24 2 22 1995 1035.5 1030.3 1030.8 1027.0 1025.5 1018.7 1014.7 1017.9 1025.2 1035.3 1030.7 1034.9 1035.5 DAY 7 12 3 7 26 1 23 24 27 17 15 10 1996 1037.8 1030.3 1025.3 1031.8 1023.3 1021.5 1022.5 1025.0 1021.3 1032.7 1037.9 1030.7 1037.9 DAY 10 13 16 4 7 12 3 29 24 2 18 1 1997 1030.9 1029.6 1035.6 1024.9 1025.3 1017.9 1017.3 1018.8 1026.1 1027.6 1037.4 1029.0 1037.4 DAY 24 21 11 20 16 8 19 21 15 8 7 17 1998 1030.4 1035.6 1031.1 1027.1 1027.1 1019.9 1019.2 1018.7 1023.9 1036.2 1031.0 1034.6 1036.2 DAY 22 23 26 12 3 6 15 19 12 9 24 29 1999 1040.7 1028.7 1027.6 1026.2 1024.2 1021.1 1016.6 1020.3 1022.3 1028.7 1033.0 1034.4 1040.7 DAY 2 11 1 22 9 16 18 20 5 26 30 24 2000 1029.7 1033.2 1030.1 1024.2 1023.7 1022.4 1018.4 1018.3 1021.7 1027.7 1036.5 1031.5 1036.5 DAY 13 29 27 2 5 13 30 23 25 15 17 4 2001 1032.4 1035.4 1032.0 1031.8 1022.6 1019.8 1016.6 1020.5 1023.9 1031.6 1028.5 1029.9 1035.4 DAY 26 9 11 1 18 11 1 5 20 27 2 10 2002 1030.7 1034.2 1035.6 1024.0 1025.5 1020.9 1019.3 1021.1 1023.3 1025.2 1032.2 1039.3 1039.3 DAY 27 19 10 1 17 25 2 31 30 23 17 3 2003 1029.9 1027.8 1033.3 1028.4 1032.4 1025.7 1018.4 1018.7 1027.1 1026.0 1031.5 1038.7 1038.7 DAY 19 28 2 29 1 6 3 16 26 15 23 12 1993-2003 1040.7 1036.2 1035.6 1034.9 1032.4 1025.8 1022.5 1025.0 1027.1 1036.2 1037.9 1039.3 1040.7 YEAR-DAY 99- 2 94-18 97-11 94- 5 3- 1 93-22 96- 3 96-29 3-26 98- 9 96-18 2- 3 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 84 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF QNH PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1011.6 1005.2 1007.5 1009.4 1007.1 1008.5 1006.9 1008.8 1010.6 1009.3 1015.6 ****** DAY ** 21 8 8 31 28 24 12 14 1 10 5 1994 1007.2 1003.4 1006.7 1009.9 1008.5 1006.8 1006.1 1007.8 1016.9 1014.9 1007.2 1006.8 1003.4 DAY 16 1 7 24 1 16 20 1 1 19 26 4 1995 1010.8 1011.2 1006.2 1006.4 1009.0 1002.6 1003.8 1005.1 1006.7 1010.9 1009.0 1013.4 1002.6 DAY 17 8 25 19 2 29 16 12 20 4 24 22 1996 1012.3 1009.0 1009.1 1001.9 1008.2 1006.0 1008.5 1004.9 1003.1 1007.6 1019.0 1010.5 1001.9 DAY 6 9 26 13 29 1 7 8 8 27 6 25 1997 1010.5 1014.2 1005.5 1002.3 1005.3 1007.5 1004.3 1004.6 1005.5 1011.2 1011.1 1008.0 1002.3 DAY 16 22 17 5 4 30 11 5 2 2 5 9 1998 1006.6 1003.3 1004.6 1006.3 1004.3 1009.8 1002.6 1009.8 1010.1 1008.2 1014.2 1014.7 1002.6 DAY 13 14 30 21 21 24 5 11 24 1 1 21 1999 1006.9 1003.5 1006.8 1007.6 1007.4 1001.5 1007.4 1006.2 1008.8 1012.4 1009.2 1012.9 1001.5 DAY 9 20 21 14 14 25 16 13 15 11 25 14 2000 1004.1 1010.8 1009.6 1005.3 1008.8 1006.3 1006.7 1002.9 1007.3 1016.3 1019.5 1011.3 1002.9 DAY 21 7 19 10 26 19 8 3 7 1 13 21 2001 1017.7 998.6 1004.3 1006.3 1002.8 1000.9 1007.9 1006.1 1008.3 1010.0 1007.4 1008.3 998.6 DAY 1 21 24 12 9 6 10 31 8 6 18 20 2002 1008.4 1006.3 1005.5 1003.0 1007.2 1005.8 1004.8 1004.4 1011.1 1010.9 1008.2 1003.1 1003.0 DAY 8 25 27 4 29 19 25 17 19 30 12 21 2003 1009.4 1003.7 1008.4 1007.7 1009.5 1006.5 1004.7 1011.0 1009.3 1007.6 1013.1 1008.6 1003.7 DAY 28 19 19 26 30 18 7 6 6 27 21 19 1993-2003 1004.1 998.6 1004.3 1001.9 1002.8 1000.9 1002.6 1002.9 1003.1 1007.6 1007.2 1003.1 998.6 YEAR-DAY 0-21 1-21 1-24 96-13 1- 9 1- 6 98- 5 0- 3 96- 8 96-27 94-26 2-21 1-21 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 85 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF QFF PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1025.8 1021.3 1017.3 1014.8 1011.9 1012.4 1013.3 1015.7 1025.5 1025.9 1026.0 ****** 1994 1023.3 1023.9 1021.3 1019.3 1015.3 1011.7 1009.7 1011.4 1020.6 1023.7 1019.0 1024.8 1018.7 1995 1023.9 1023.5 1020.7 1015.8 1016.8 1010.9 1008.0 1010.4 1013.9 1022.7 1019.5 1025.7 1017.7 1996 1027.1 1022.8 1020.7 1019.9 1015.7 1013.3 1011.8 1011.9 1011.8 1020.3 1027.9 1022.9 1018.8 1997 1022.3 1024.6 1018.6 1014.6 1016.3 1010.2 1008.5 1010.6 1017.0 1017.7 1024.1 1022.3 1017.2 1998 1022.4 1023.9 1017.7 1016.3 1016.1 1012.7 1009.6 1011.9 1015.4 1021.7 1023.1 1025.5 1018.0 1999 1024.0 1018.5 1020.3 1018.6 1016.6 1011.6 1009.8 1009.7 1015.0 1019.0 1023.0 1025.4 1017.6 2000 1022.6 1022.3 1020.5 1014.3 1014.2 1012.1 1010.5 1010.9 1014.3 1022.8 1027.1 1022.9 1017.9 2001 1027.6 1021.2 1019.0 1016.8 1012.6 1011.2 1010.9 1011.7 1014.9 1020.9 1019.5 1021.6 1017.3 2002 1023.0 1021.7 1017.9 1014.8 1015.5 1010.4 1010.2 1009.1 1014.5 1017.4 1023.0 1024.3 1016.8 2003 1022.2 1018.8 1020.7 1018.3 1017.2 1012.6 1008.8 1011.7 1015.3 1016.3 1023.3 1024.3 1017.5 MEAN 1023.8 1022.5 1019.9 1016.9 1015.6 1011.7 1010.0 1011.1 1015.3 1020.7 1023.2 1024.1 1017.9 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 86 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF QFF PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1036.1 1034.9 1026.6 1029.0 1026.2 1018.1 1019.0 1026.1 1032.6 1037.5 1034.7 ****** DAY ** 9 16 24 9 22 27 24 23 20 21 6 1994 1035.1 1039.8 1033.1 1037.7 1025.7 1016.8 1015.2 1015.5 1025.0 1032.3 1027.9 1037.2 1039.8 DAY 9 18 1 5 18 4 1 8 23 24 2 22 1995 1038.4 1033.1 1033.4 1028.8 1026.3 1017.5 1013.2 1016.5 1026.0 1037.4 1032.5 1038.5 1038.5 DAY 7 12 3 7 26 1 23 20 27 17 15 10 1996 1041.6 1033.7 1028.4 1034.3 1023.8 1021.2 1021.2 1024.0 1021.5 1033.4 1040.6 1033.6 1041.6 DAY 10 13 16 4 7 12 3 29 24 2 18 1 1997 1034.1 1032.6 1038.8 1026.1 1025.9 1017.9 1015.9 1017.4 1026.9 1028.2 1039.6 1031.7 1039.6 DAY 24 8 11 20 16 4 19 21 15 8 7 28 1998 1033.6 1038.9 1027.2 1028.1 1028.1 1017.8 1018.4 1017.1 1024.3 1038.5 1032.5 1036.5 1038.9 DAY 22 23 4 12 3 6 15 19 12 9 24 29 1999 1044.6 1030.8 1029.6 1027.6 1025.3 1020.6 1015.5 1017.8 1022.5 1030.5 1035.8 1036.5 1044.6 DAY 2 11 1 22 9 17 13 20 28 26 30 24 2000 1032.9 1036.0 1032.0 1025.4 1024.2 1023.4 1015.8 1016.7 1021.8 1029.2 1039.0 1033.3 1039.0 DAY 13 29 1 2 5 13 30 8 25 15 17 4 2001 1036.0 1038.2 1035.7 1033.9 1022.4 1019.5 1015.7 1018.4 1024.1 1033.7 1029.8 1030.6 1038.2 DAY 26 9 11 1 19 11 1 5 20 27 2 3 2002 1032.2 1036.4 1037.4 1024.2 1025.1 1018.4 1017.3 1019.4 1020.9 1025.2 1032.6 1042.2 1042.2 DAY 14 19 10 1 17 25 2 31 30 23 17 3 2003 1032.1 1030.1 1036.4 1029.9 1033.8 1024.9 1016.1 1016.3 1025.8 1024.3 1032.8 1041.5 1041.5 DAY 19 28 2 29 1 6 3 16 26 15 23 12 1993-2003 1044.6 1039.8 1038.8 1037.7 1033.8 1026.2 1021.2 1024.0 1026.9 1038.5 1040.6 1042.2 1044.6 YEAR-DAY 99- 2 94-18 97-11 94- 5 3- 1 93-22 96- 3 96-29 97-15 98- 9 96-18 2- 3 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 87 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF QFF PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 1013.6 1004.8 1005.0 1007.6 1003.8 1005.8 1004.3 1006.6 1008.4 1009.9 1017.3 ****** DAY ** 21 8 8 31 28 24 12 14 1 10 18 1994 1009.7 1003.9 1006.0 1007.9 1008.7 1004.7 1003.7 1005.7 1015.8 1013.8 1007.8 1007.7 1003.7 DAY 16 1 7 24 1 16 20 2 1 19 26 4 1995 1012.0 1012.1 1005.6 1005.8 1007.6 999.5 1000.9 1001.3 1004.8 1009.3 1008.2 1014.5 999.5 DAY 17 8 25 19 2 29 16 12 20 4 24 22 1996 1012.8 1009.4 1010.7 1000.1 1006.4 1002.4 1006.0 1001.9 999.8 1006.5 1019.8 1010.7 999.8 DAY 6 9 26 13 29 1 7 8 8 27 6 25 1997 1011.7 1015.9 1006.3 1001.2 1003.3 1004.9 1001.2 1001.9 1002.7 1009.3 1009.8 1008.1 1001.2 DAY 16 4 17 5 4 30 11 5 2 2 5 9 1998 1008.5 1005.3 1003.2 1005.5 1001.7 1006.9 1000.0 1006.8 1007.9 1006.5 1014.1 1014.8 1000.0 DAY 30 14 30 21 21 24 5 11 24 1 1 21 1999 1007.0 1003.6 1006.9 1006.8 1006.6 999.1 1004.5 1003.0 1007.0 1010.0 1009.0 1013.5 999.1 DAY 9 20 21 14 14 25 16 13 15 11 25 14 2000 1004.6 1012.6 1009.2 1003.5 1007.7 1003.1 1003.6 999.1 1004.4 1015.8 1020.8 1012.0 999.1 DAY 21 7 19 10 27 19 8 3 7 10 13 21 2001 1018.4 998.3 1003.1 1005.1 1000.8 997.4 1005.7 1003.6 1005.6 1007.9 1007.0 1006.8 997.4 DAY 1 21 24 12 9 17 10 31 8 6 18 20 2002 1009.0 1005.1 1002.9 1003.2 1004.2 1001.6 1001.1 1001.2 1008.2 1008.4 1006.3 1003.2 1001.1 DAY 8 25 27 4 29 19 25 17 19 21 12 21 2003 1009.9 1005.1 1008.5 1005.1 1007.5 1003.4 1001.4 1006.7 1005.8 1006.0 1013.4 1007.6 1001.4 DAY 28 19 19 26 31 18 8 12 6 27 21 19 1993-2003 1004.6 998.3 1002.9 1000.1 1000.8 997.4 1000.0 999.1 999.8 1006.0 1006.3 1003.2 997.4 YEAR-DAY 0-21 1-21 2-27 96-13 1- 9 1-17 98- 5 0- 3 96- 8 3-27 2-12 2-21 1-17 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 88 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1010.8 1011.4 1012.3 1014.6 1024.4 1025.0 1025.0 ****** 1994 1022.2 1023.0 1020.2 1018.1 1014.2 1010.6 1008.7 1010.3 1019.4 1022.4 1017.9 1023.9 1017.6 1995 1022.8 1022.5 1019.7 1014.7 1015.8 1010.0 1007.1 1009.5 1012.9 1021.8 1018.4 1024.7 1016.6 1996 1026.1 1021.8 1019.8 1018.8 1014.6 1012.3 1010.8 1010.9 1010.8 1019.1 1026.8 1021.8 1017.8 1997 1021.4 1023.6 1017.7 1013.6 1015.1 1009.2 1007.6 1009.7 1015.9 1016.6 1023.1 1021.3 1016.2 1998 1021.3 1022.8 1017.1 1015.2 1015.0 1011.9 1008.7 1010.9 1014.3 1020.6 1021.9 1024.5 1017.0 1999 1023.0 1017.6 1019.3 1017.4 1015.5 1010.7 1009.0 1008.8 1014.0 1017.9 1021.9 1024.3 1016.6 2000 1021.7 1021.3 1019.5 1013.3 1013.1 1011.2 1009.6 1010.0 1013.2 1021.5 1026.0 1021.9 1016.9 2001 1026.6 1020.3 1017.9 1015.6 1011.7 1010.2 1009.9 1010.7 1013.9 1019.7 1019.3 1021.6 1016.5 2002 1022.9 1021.7 1017.9 1014.8 1015.4 1010.4 1010.2 1009.1 1014.5 1017.4 1023.0 1024.3 1016.8 2003 1022.2 1018.8 1020.7 1018.4 1017.2 1012.6 1008.8 1011.7 1015.3 1016.3 1023.3 1024.3 1017.5 MEAN 1023.0 1021.3 1019.0 1016.0 1014.8 1010.9 1009.3 1010.3 1014.4 1019.8 1022.4 1023.4 1017.1 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 89 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF COMPUTED QFF PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1024.7 1016.9 1017.6 1024.7 1031.3 1036.4 1033.7 ****** DAY ** ** ** ** ** 22 27 24 23 20 21 6 1994 1034.1 1038.8 1032.0 1036.7 1024.4 1015.6 1013.9 1014.4 1023.8 1031.1 1026.6 1036.2 1038.8 DAY 9 18 1 5 18 21 1 8 23 24 2 22 1995 1037.3 1031.7 1032.2 1027.8 1024.1 1016.6 1012.2 1015.4 1024.6 1036.2 1031.2 1037.6 1037.6 DAY 7 12 3 7 26 1 23 24 27 17 15 10 1996 1040.6 1032.7 1027.4 1033.3 1022.5 1019.9 1020.0 1022.7 1020.1 1031.9 1039.4 1032.4 1040.6 DAY 10 13 16 4 7 12 3 29 24 2 18 1 1997 1033.0 1031.7 1037.7 1025.0 1024.4 1016.5 1014.7 1016.4 1025.5 1026.8 1038.5 1030.8 1038.5 DAY 24 8 11 20 16 4 19 21 15 8 7 28 1998 1032.7 1038.0 1026.2 1026.8 1027.1 1016.9 1017.1 1015.9 1022.9 1037.5 1031.2 1035.5 1038.0 DAY 22 23 4 1 3 6 15 19 12 9 24 29 1999 1043.8 1029.8 1028.5 1026.5 1024.0 1019.5 1014.4 1016.8 1021.2 1029.4 1034.8 1035.5 1043.8 DAY 2 11 1 22 9 17 13 20 28 26 30 24 2000 1032.0 1034.9 1031.0 1024.2 1023.0 1022.1 1014.8 1015.4 1020.4 1028.0 1037.9 1032.2 1037.9 DAY 13 29 1 2 5 13 30 9 25 15 17 4 2001 1035.1 1037.2 1034.7 1032.8 1021.5 1018.3 1014.5 1017.3 1022.9 1032.6 1028.7 1030.6 1037.2 DAY 26 9 11 1 18 11 1 5 20 27 2 3 2002 1032.2 1036.4 1037.4 1024.2 1025.1 1018.5 1017.2 1019.4 1020.9 1025.2 1032.5 1042.3 1042.3 DAY 14 19 10 1 17 25 2 31 30 23 17 3 2003 1032.0 1030.1 1036.4 1029.9 1033.8 1025.1 1016.1 1016.3 1025.8 1024.3 1032.8 1041.5 1041.5 DAY 19 28 2 29 1 6 3 16 26 15 23 12 1993-2003 1043.8 1038.8 1037.7 1036.7 1033.8 1025.1 1020.0 1022.7 1025.8 1037.5 1039.4 1042.3 1043.8 YEAR-DAY 99- 2 94-18 97-11 94- 5 3- 1 3- 6 96- 3 96-29 3-26 98- 9 96-18 2- 3 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 90 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF COMPUTED QFF PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** ****** ****** ****** ****** 1003.0 1005.0 1003.5 1005.8 1007.6 1009.0 1016.3 ****** DAY ** ** ** ** ** 28 24 12 14 1 10 18 1994 1009.0 1002.9 1005.2 1007.1 1007.5 1003.8 1003.0 1004.8 1014.6 1012.7 1006.9 1006.8 1002.9 DAY 16 1 7 24 1 16 20 11 1 19 26 4 1995 1011.0 1011.1 1004.7 1004.7 1006.8 999.0 1000.2 1000.8 1003.9 1008.3 1007.2 1013.6 999.0 DAY 17 8 25 19 2 29 16 12 20 4 24 22 1996 1011.7 1008.5 1009.9 999.5 1005.6 1002.0 1005.3 1001.2 999.2 1005.5 1018.6 1009.6 999.2 DAY 6 9 26 13 29 1 7 8 8 27 6 25 1997 1010.8 1015.1 1005.4 1000.3 1002.6 1004.2 1000.6 1001.1 1001.9 1008.5 1008.9 1007.1 1000.3 DAY 16 4 17 5 4 16 11 13 2 2 5 9 1998 1007.6 1004.5 1003.2 1004.5 1001.1 1006.2 999.4 1006.1 1007.2 1005.7 1012.9 1014.3 999.4 DAY 30 14 30 21 21 24 5 11 24 1 1 11 1999 1006.1 1002.7 1006.0 1005.9 1005.6 998.5 1004.2 1002.5 1006.2 1009.5 1008.1 1012.5 998.5 DAY 9 20 21 14 14 25 30 13 15 11 25 14 2000 1003.8 1011.7 1008.2 1002.8 1006.1 1002.7 1003.0 998.6 1003.9 1014.8 1019.8 1011.1 998.6 DAY 21 7 19 10 26 19 8 3 7 12 13 21 2001 1017.3 997.5 1002.4 1004.4 1000.2 996.9 1004.9 1002.9 1004.9 1007.3 1007.1 1006.8 996.9 DAY 1 21 24 12 9 17 10 31 8 6 18 20 2002 1009.0 1005.2 1002.9 1003.2 1004.2 1002.7 1001.1 1001.1 1008.2 1008.4 1006.3 1003.2 1001.1 DAY 8 25 27 4 29 19 25 17 19 21 12 21 2003 1009.8 1005.1 1008.4 1005.1 1007.5 1003.4 1001.4 1006.7 1005.9 1006.0 1013.3 1007.6 1001.4 DAY 28 19 19 26 31 18 8 12 6 27 21 19 1993-2003 1003.8 997.5 1002.4 999.5 1000.2 996.9 999.4 998.6 999.2 1005.5 1006.3 1003.2 996.9 YEAR-DAY 0-21 1-21 1-24 96-13 1- 9 1-17 98- 5 0- 3 96- 8 96-27 2-12 2-21 1-17 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 91 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M AVERAGE OF QFE PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 968.1 965.1 962.0 961.0 958.9 959.4 960.3 961.7 970.0 969.0 968.5 ****** 1994 965.9 965.9 965.0 963.9 961.4 958.2 956.7 958.1 966.3 968.1 963.1 967.2 963.3 1995 967.0 966.4 964.6 961.3 962.9 958.0 955.6 957.7 960.5 967.2 963.7 968.4 962.8 1996 968.9 965.6 964.0 964.7 962.0 960.1 959.2 959.1 958.6 965.1 971.1 966.3 963.7 1997 964.8 967.2 962.4 959.8 962.3 957.5 956.0 957.9 962.9 963.4 967.8 965.3 962.3 1998 964.9 966.1 962.8 961.7 962.3 960.2 957.3 959.4 961.5 966.5 966.9 968.7 963.2 1999 967.1 962.6 964.1 963.5 962.3 958.4 957.1 957.5 961.2 964.4 966.5 968.5 962.8 2000 964.7 965.6 964.1 960.3 960.1 958.8 958.2 958.3 960.6 967.3 970.3 966.1 962.9 2001 970.0 964.5 963.2 962.0 958.9 958.2 958.0 959.0 961.4 965.6 964.6 965.8 962.6 2002 966.5 966.3 963.1 960.8 961.9 958.2 958.5 957.4 962.1 964.1 967.9 967.3 962.8 2003 966.0 962.9 964.8 964.3 963.9 959.7 956.7 959.8 962.4 963.0 968.1 968.1 963.3 MEAN 966.6 965.6 963.9 962.2 961.7 958.7 957.5 958.6 961.7 965.9 967.2 967.3 963.1 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 92 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MAX. OF QFE PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 979.5 976.8 970.3 972.7 971.6 965.4 964.7 971.0 975.9 978.5 977.2 ****** DAY ** 9 16 23 9 22 27 24 22 20 21 6 1994 978.3 980.5 973.8 979.0 970.3 962.6 961.0 962.0 970.6 975.5 971.7 977.4 980.5 DAY 9 18 1 5 18 19 1 15 23 24 2 22 1995 979.8 975.2 975.6 970.7 970.5 963.9 960.1 963.4 969.6 980.6 976.3 979.4 980.6 DAY 7 12 2 7 26 1 23 24 27 17 15 10 1996 982.0 975.2 970.5 976.3 968.5 966.8 967.5 969.7 966.6 976.5 981.9 975.8 982.0 DAY 10 13 16 4 7 11 3 29 24 2 18 1 1997 975.4 975.0 979.8 969.1 970.0 963.2 962.9 964.0 970.5 971.9 981.3 974.3 981.3 DAY 23 7 11 20 15 4 19 21 15 8 7 17 1998 975.7 980.7 976.4 971.7 971.3 964.6 964.3 963.0 968.9 981.0 975.0 978.8 981.0 DAY 22 22 26 12 3 5 15 19 12 9 24 29 1999 984.5 973.8 972.6 971.5 969.2 966.9 961.6 964.6 967.4 973.2 978.0 979.6 984.5 DAY 2 11 1 22 9 16 18 20 28 26 30 24 2000 974.1 978.0 974.1 969.1 968.0 967.0 963.3 963.7 967.0 972.9 980.2 975.9 980.2 DAY 13 29 1 2 5 13 30 8 25 15 17 4 2001 977.9 980.5 976.9 976.8 967.8 964.7 961.8 965.1 968.7 975.7 973.2 974.6 980.5 DAY 26 9 1 1 18 11 1 5 19 10 2 3 2002 975.9 977.7 980.5 969.2 970.4 966.2 963.9 965.8 967.6 969.5 976.2 982.9 982.9 DAY 27 18 10 1 17 24 2 31 21 11 17 3 2003 973.3 974.3 978.5 973.5 978.0 970.7 963.8 963.5 972.2 971.1 976.0 982.9 982.9 DAY 19 12 2 30 1 6 3 30 26 15 25 11 1993-2003 984.5 980.7 980.5 979.0 978.0 971.6 967.5 969.7 972.2 981.0 981.9 982.9 984.5 YEAR-DAY 99- 2 98-22 2-10 94- 5 3- 1 93-22 96- 3 96-29 3-26 98- 9 96-18 2- 3 99- 2 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION MORAVEH TAPPEH (40721) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 93 LATITUDE 37 54 N LONGITUDE 55 57 E DATA PROCESSING CENTER ELEVATION 460.0 M MIN. OF QFE PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1993 ****** 959.1 952.2 952.7 955.3 953.2 953.7 952.5 953.5 955.6 954.3 960.9 ****** DAY ** 21 8 11 31 28 24 12 3 1 10 5 1994 952.3 946.4 951.2 954.9 954.6 951.5 951.7 952.9 961.7 959.4 954.5 952.7 946.4 DAY 16 1 7 30 1 15 20 1 1 14 26 4 1995 957.2 954.9 951.0 952.4 954.7 948.7 950.6 951.9 953.6 958.8 953