STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** ***** ***** 35.8 37.4 39.7 38.1 35.2 27.9 21.8 15.0 ***** MINIMUN AIR TEMPERATURE (C) ***** ***** ***** ***** 24.9 26.5 29.0 28.0 25.0 19.7 12.9 8.5 ***** DAYS WITH MINIMUM TEMP. >=21 **** **** **** **** 30 30 31 31 30 14 0 0 **** DAYS WITH MINIMUM TEMP. <=-4 **** **** **** **** 0 0 0 0 0 0 0 0 **** DAYS WITH FREEZING MIN.<= 0 **** **** **** **** 0 0 0 0 0 0 0 0 **** TEMPERATURE RECORDS LOWEST(C) ***** ***** ***** ***** 20.0 22.0 25.0 22.6 21.2 13.4 7.4 2.4 ***** DAY ** ** ** ** 7 6 10 28 30 28 11 30 MAXIMUM AIR TEMPERATURE (C) ***** ***** ***** ***** 40.9 43.5 45.7 44.3 41.5 32.8 27.8 19.4 ***** DAYS WITH MAXIMUM TEMP. >=30 **** **** **** **** 31 30 31 31 30 26 11 0 **** DAYS WITH MAXIMUM TEMP. <= 0 **** **** **** **** 0 0 0 0 0 0 0 0 **** TEMPERATURE RECORDS HIGHEST(C)***** ***** ***** ***** 43.4 47.8 48.2 48.8 44.8 39.8 32.4 25.0 ***** DAY ** ** ** ** 14 29 24 13 6 2 15 2 DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** ***** 16.0 17.0 16.7 16.3 16.5 13.1 14.9 10.9 ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** ***** 32.9 35.0 37.3 36.2 33.3 26.3 20.3 14.0 ***** COOLING DEG. DAYS(BASE 21 0C)****** ****** ****** ****** 368.9 419.7 506.8 470.3 367.7 166.5 28.3 0.0 ****** HEATING DEG. DAYS(BASE 18 0C)****** ****** ****** ****** 0.0 0.0 0.0 0.0 0.0 0.0 12.0 126.1 ****** DEWPOINT (MEAN C) ***** ***** ***** ***** 10.1 8.1 9.0 12.9 12.6 10.9 7.7 7.8 ***** MIXING RATIO (G/KG) ****** ****** ****** ****** 8.15 7.37 7.64 10.08 9.90 8.73 6.84 6.94 ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** 12.81 11.52 11.92 15.65 15.45 13.78 10.87 11.05 ****** SATURATION DEF. (HPA) ****** ****** ****** ****** 47.46 55.67 63.69 54.13 43.70 25.47 16.44 6.66 ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** 23 20 18 25 28 39 44 67 *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** 37 35 32 40 41 54 64 83 *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** 14 10 10 17 18 28 28 52 *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** 37 34 32 39 40 50 62 77 *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** 19 16 13 20 23 33 34 57 *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** 19 14 13 20 27 40 46 71 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. ****** ****** ****** ****** 0.0 0.0 2.8 3.0 0.0 17.6 0.9 122.2 ****** DAYS WITH PRECIPITATION >=10 **** **** **** **** 0 0 0 0 0 1 0 6 **** DAYS WITH PRECIPITATION >= 5 **** **** **** **** 0 0 0 0 0 2 0 6 **** DAYS WITH PRECIPITATION >= 1 **** **** **** **** 0 0 1 1 0 2 0 6 **** DAYS WITH PRECIPITATION **** **** **** **** 0 0 2 1 0 8 1 10 **** GREATEST DAILY PRECIPITATION ****** ****** ****** ****** 0.0 0.0 2.0 3.0 0.0 10.0 0.9 43.4 ****** DAY ** ** ** ** ** ** 28 1 ** 30 3 28 DAY WITH THUNDER STORM **** **** **** **** 0 0 1 0 0 2 0 4 **** DAYS WITH SNOW OR SLEET **** **** **** **** 0 0 0 0 0 0 0 0 **** DAYS WITH DUST **** **** **** **** 8 19 12 10 20 15 2 0 **** WIND DIRECTION (PREVAILING) *** *** *** *** 270 270 270 270 270 135 270 270 *** PREVAILING WIND SPEED(KNOTS) **** **** **** **** 7.1 7.5 7.5 6.7 7.8 5.9 6.3 7.5 **** PREVAILING WIND PERCENT ***** ***** ***** ***** 18.1 22.7 22.6 15.5 16.7 9.0 14.7 10.3 ***** CALMS PERCENT OF WIND ***** ***** ***** ***** 50.3 40.7 45.8 54.2 47.3 57.4 54.0 61.3 ***** NO. OF WIND OBSERVATION **** **** **** **** 155 150 155 155 150 155 150 155 1225 VECTOR WIND DIRECTION (MEAN) *** *** *** *** 287 274 254 250 257 223 287 269 *** VECTOR WIND MAGNITUDE(KNOTS) **** **** **** **** 2.8 3.3 2.2 1.7 2.1 0.3 1.1 0.5 **** WIND STEADINESES (MEAN %) ***** ***** ***** ***** 73.7 67.3 57.9 58.6 58.3 10.0 37.9 16.1 ***** WIND SPEED (MEAN KNOTS) **** **** **** **** 3.8 4.9 3.8 2.9 3.6 3.0 2.9 3.1 **** FASTEST WIND DIRECTION *** *** *** *** 300 300 270 290 300 360 40 150 *** FASTEST WIND SPEED (KNOTS) *** *** *** *** 23 23 23 16 19 17 17 27 *** DAY ** ** ** ** 30 4 2 18 7 19 2 13 DAYS WITH SKY CLEAR (0-2)/8 **** **** **** **** 20 29 27 24 30 15 23 9 **** DAYS WITH P.CLOUDY (3-6)/8 **** **** **** **** 10 1 3 7 0 8 5 15 **** DAYS WITH CLOUDY (7-8)/8 **** **** **** **** 1 0 1 0 0 8 2 7 **** DAYS WITH VISIBILITY =< 2 KM **** **** **** **** 0 0 0 0 1 0 0 2 **** DURATION OF SUNSHINE HOURS ****** ****** ****** ****** 171.0 294.6 307.2 334.6 299.6 190.2 249.3 173.9 ****** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 991.2 985.6 982.6 983.4 989.3 996.3 1000.2 1003.6 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 999.0 990.5 987.6 988.7 997.0 1005.0 1005.3 1010.0 ****** DAY-HOUR **-** **-** **-** **-** 5-15 1- 6 29- 6 8- 6 30- 6 30- 6 30- 6 2- 6 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 985.0 980.2 977.3 978.0 983.6 988.5 994.5 995.6 ****** DAY-HOUR **-** **-** **-** **-** 29-15 8-15 26-15 13-15 11-12 4-12 25-12 13-12 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1008.8 1003.1 1000.1 1000.9 1006.9 1014.0 1018.0 1021.4 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1016.7 1008.1 1005.1 1006.3 1014.7 1022.8 1023.1 1027.9 ****** DAY-HOUR **-** **-** **-** **-** 5-15 1- 6 29- 6 8- 6 30- 6 30- 6 30- 6 2- 6 MIN. 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QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 991.2 985.7 982.8 983.8 989.4 996.1 1000.1 1003.6 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 995.5 989.5 986.5 988.2 995.2 1000.5 1003.4 1009.0 ****** DAY ** ** ** ** 13 1 30 8 30 30 30 2 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 986.0 981.8 979.0 980.0 985.0 990.2 995.3 996.3 ****** DAY ** ** ** ** 30 9 27 13 10 4 7 13 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1008.7 1003.2 1000.3 1001.3 1007.0 1013.8 1017.8 1021.4 ****** MAX. 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QFE PRESSURE IN HPA ****** ****** ****** ****** 987.5 982.5 979.6 981.0 985.7 991.8 997.0 1000.8 ****** DAY ** ** ** ** 30 8 27 13 10 4 7 24 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1009.5 1004.1 1001.2 1002.2 1008.1 1015.6 1019.2 1022.8 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1013.7 1008.1 1005.1 1006.3 1014.7 1022.8 1023.1 1027.9 ****** DAY ** ** ** ** 10 1 29 8 30 30 30 2 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1005.0 1000.0 997.0 998.4 1003.2 1009.4 1014.7 1018.5 ****** DAY ** ** ** ** 30 8 27 13 10 4 7 24 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 991.8 986.3 983.4 984.1 989.9 996.9 1000.6 1003.9 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 997.0 990.3 987.2 987.8 996.3 1002.0 1005.0 1009.5 ****** DAY ** ** ** ** 12 2 30 7 30 24 30 2 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 986.8 982.5 978.8 980.0 984.9 990.5 995.5 996.6 ****** DAY ** ** ** ** 23 8 27 13 10 4 25 13 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1009.4 1003.8 1000.8 1001.6 1007.4 1014.6 1018.3 1021.7 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1014.7 1007.9 1004.7 1005.3 1014.0 1019.7 1022.8 1027.4 ****** DAY ** ** ** ** 12 2 30 7 30 24 30 2 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1004.3 1000.0 996.2 997.4 1002.4 1008.1 1013.2 1014.3 ****** DAY ** ** ** ** 23 8 27 13 10 4 25 13 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 990.8 985.0 981.9 982.5 988.4 995.3 999.3 1002.6 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 998.0 988.5 985.9 986.4 994.7 999.8 1003.5 1007.5 ****** DAY ** ** ** ** 5 1 29 7 30 27 30 1 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 986.0 981.0 977.4 978.2 983.6 988.5 994.5 995.6 ****** DAY ** ** ** ** 29 8 27 13 11 4 25 13 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1008.4 1002.5 999.3 999.9 1005.9 1013.0 1017.0 1020.4 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1015.7 1006.0 1003.4 1003.9 1012.3 1017.5 1021.3 1025.3 ****** DAY ** ** ** ** 5 1 29 7 30 27 30 1 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1003.5 998.4 994.8 995.6 1001.1 1006.0 1012.1 1013.3 ****** DAY ** ** ** ** 29 8 27 13 11 4 25 13 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 990.3 984.3 981.5 982.0 988.3 995.5 999.8 1003.0 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 999.0 987.5 985.5 987.7 994.5 1000.1 1004.3 1007.8 ****** DAY ** ** ** ** 5 1 31 7 30 27 30 1 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 985.0 980.2 977.3 978.0 984.1 989.2 995.5 996.2 ****** DAY ** ** ** ** 29 8 26 13 10 4 25 23 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1007.9 1001.8 998.9 999.5 1005.9 1013.2 1017.5 1020.7 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1016.7 1005.0 1003.0 1005.2 1012.1 1017.8 1022.1 1025.6 ****** DAY ** ** ** ** 5 1 31 7 30 27 30 1 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1002.5 997.6 994.7 995.4 1001.6 1006.8 1013.2 1013.9 ****** DAY ** ** ** ** 29 8 26 13 10 4 25 23 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1006.9 1000.8 997.8 998.4 1005.0 1012.7 1017.5 1021.0 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1015.8 1004.0 1002.0 1004.2 1011.5 1017.7 1022.3 1025.9 ****** DAY ** ** ** ** 5 1 31 7 30 27 30 1 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1001.6 996.7 993.5 994.1 1000.6 1006.1 1013.1 1013.8 ****** DAY ** ** ** ** 29 8 26 13 10 4 25 23 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.2 15.6 18.7 25.6 33.7 37.4 39.2 38.5 35.6 30.2 20.3 15.3 26.9 MINIMUN AIR TEMPERATURE (C) 6.9 9.2 11.7 17.0 22.1 26.1 28.0 27.8 25.3 21.4 13.5 10.2 18.3 DAYS WITH MINIMUM TEMP. >=21 0 0 0 6 21 30 31 31 29 19 2 0 169 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 1.6 4.4 3.4 8.0 18.2 22.2 24.2 24.5 19.8 17.2 2.2 0.6 0.6 DAY 2 6 6 2 4 26 1 31 29 22 15 30 MAXIMUM AIR TEMPERATURE (C) 16.1 20.2 23.3 30.9 39.2 42.9 45.0 44.1 41.7 36.1 25.7 19.6 32.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 17 31 30 31 31 30 30 10 0 212 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 20.2 24.0 30.8 39.8 45.6 48.6 49.2 48.2 46.2 39.4 33.8 25.8 49.2 DAY 24 22 30 22 31 14 13 1 8 4 3 13 DIF. BETWEEN (MAX.-MIN.) (C) 9.2 11.0 11.6 13.9 17.1 16.8 17.0 16.3 16.4 14.7 12.2 9.4 13.8 MEAN DAILY TEMP. (MDT) (C) 11.5 14.7 17.5 23.9 30.6 34.5 36.5 36.0 33.5 28.8 19.6 14.9 25.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 5.6 108.9 298.6 404.6 480.2 463.5 375.5 240.5 49.6 0.0 2427.0 HEATING DEG. DAYS(BASE 18 0C) 202.0 96.9 47.7 3.4 0.0 0.0 0.0 0.0 0.0 0.0 47.2 101.4 498.6 DEWPOINT (MEAN C) 8.0 8.0 9.5 11.4 10.4 9.4 13.3 12.8 8.5 9.5 7.7 7.4 9.6 MIXING RATIO (G/KG) 6.83 6.88 7.73 8.96 8.23 7.69 10.13 9.65 7.46 7.68 6.84 6.65 7.89 VAPOUR PRESSURE (HPA) 10.88 10.92 12.21 14.08 12.91 12.02 15.68 15.01 11.70 12.14 10.88 10.59 12.42 SATURATION DEF. (HPA) 3.69 7.31 10.24 20.57 41.82 54.81 57.68 55.54 48.72 32.42 14.75 7.57 29.59 RELATIVE HUMIDITY (MEAN %) 77 63 59 45 26 20 23 23 21 29 48 63 41 RELATIVE HUMIDITY (MAX. %) 90 83 78 64 41 31 34 36 32 40 65 78 56 RELATIVE HUMIDITY (MIN. %) 63 46 42 30 18 14 16 16 14 21 34 48 30 RELATIVE HUMIDITY (MEAN% 03UTC) 88 80 74 63 42 31 34 36 32 40 63 75 55 RELATIVE HUMIDITY (MEAN% 09UTC) 72 54 53 37 20 16 20 18 16 24 41 54 35 RELATIVE HUMIDITY (MEAN% 15UTC) 78 64 58 43 23 17 19 21 19 27 46 64 40 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 70.6 80.3 47.0 34.9 0.2 0.0 0.0 0.0 0.0 0.7 54.2 35.9 323.8 DAYS WITH PRECIPITATION >=10 2 1 1 2 0 0 0 0 0 0 2 2 10 DAYS WITH PRECIPITATION >= 5 6 4 3 2 0 0 0 0 0 0 2 3 20 DAYS WITH PRECIPITATION >= 1 9 7 4 4 0 0 0 0 0 0 3 3 30 DAYS WITH PRECIPITATION 10 10 5 7 1 0 0 0 0 1 5 6 45 GREATEST DAILY PRECIPITATION 18.0 51.0 29.3 17.9 0.2 0.0 0.0 0.0 0.0 0.7 38.2 14.7 51.0 DAY 13 17 5 26 2 ** ** ** ** 31 13 17 DAY WITH THUNDER STORM 0 3 3 2 0 0 0 0 0 0 3 1 12 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 2 4 4 10 14 10 3 7 2 0 0 56 WIND DIRECTION (PREVAILING) 270 315 315 270 270 270 270 270 270 315 315 315 270 PREVAILING WIND SPEED(KNOTS) 6.3 11.1 8.6 7.4 10.3 11.9 8.6 8.8 7.9 9.1 9.2 8.4 9.0 PREVAILING WIND PERCENT 10.3 14.9 17.4 8.6 25.8 27.3 23.2 29.0 18.7 12.9 13.3 10.3 15.8 CALMS PERCENT OF WIND 67.9 58.1 49.0 59.6 38.7 38.7 40.6 39.4 50.0 66.5 64.0 63.2 53.0 NO. OF WIND OBSERVATION 156 148 155 151 155 150 155 155 150 155 150 155 1835 VECTOR WIND DIRECTION (MEAN) 258 202 267 210 294 281 255 268 269 281 301 252 273 VECTOR WIND MAGNITUDE(KNOTS) 0.6 0.3 1.9 1.3 5.2 5.5 3.1 3.5 2.4 1.8 1.2 0.6 2.2 WIND STEADINESES (MEAN %) 30.0 6.3 43.2 35.1 82.5 82.1 62.0 68.6 61.5 69.2 40.0 20.0 52.4 WIND SPEED (MEAN KNOTS) 2.0 4.8 4.4 3.7 6.3 6.7 5.0 5.1 3.9 2.6 3.0 3.0 4.2 FASTEST WIND DIRECTION 150 130 150 210 300 320 300 300 260 300 300 100 130 FASTEST WIND SPEED (KNOTS) 14 29 23 27 29 23 17 19 19 19 17 16 29 DAY 16 2 20 14 21 15 2 8 10 8 1 15 DAYS WITH SKY CLEAR (0-2)/8 11 12 15 9 25 28 28 31 28 20 18 10 235 DAYS WITH P.CLOUDY (3-6)/8 12 9 9 11 5 1 3 0 2 11 3 9 75 DAYS WITH CLOUDY (7-8)/8 8 8 7 10 1 1 0 0 0 0 9 12 56 DAYS WITH VISIBILITY =< 2 KM 3 3 1 0 0 0 3 0 0 0 0 1 11 DURATION OF SUNSHINE HOURS 154.8 197.4 217.5 219.6 326.7 347.5 363.6 355.2 312.0 274.6 199.7 148.4 3117.0 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1002.7 999.4 996.2 993.7 990.2 984.9 979.9 982.8 988.5 995.7 1001.5 1002.1 993.1 MAX. QFE PRESSURE IN HPA 1009.2 1006.7 1002.8 1000.5 996.2 989.8 985.2 990.0 994.0 1001.3 1007.8 1012.3 1012.3 DAY-HOUR 3- 6 4- 9 6- 6 8- 6 8- 6 3- 6 30- 6 31- 6 14- 6 28- 6 15- 6 29- 6 MIN. QFE PRESSURE IN HPA 995.4 991.2 988.8 985.3 985.8 979.3 975.0 977.5 983.2 988.8 996.3 990.0 975.0 DAY-HOUR 26- 3 23-12 8-15 25-15 31-15 27-15 14-15 2-15 16-15 1-15 19-12 26- 3 MEAN QNH PRESSURE IN HPA 1020.4 1017.2 1013.9 1011.3 1007.8 1002.4 997.3 1000.3 1006.0 1013.3 1019.2 1019.9 1010.8 MAX. QNH PRESSURE IN HPA 1027.1 1024.5 1020.6 1018.2 1013.9 1007.4 1002.7 1007.6 1011.6 1019.0 1025.6 1030.2 1030.2 DAY-HOUR 3- 6 4- 9 6- 6 8- 6 8- 6 3- 6 30- 6 31- 6 14- 6 28- 6 15- 6 29- 6 MIN. QNH PRESSURE IN HPA 1013.0 1008.8 1006.4 1002.8 1003.3 996.7 992.4 994.9 1000.7 1006.4 1014.0 1007.6 992.4 DAY-HOUR 26- 3 23-12 8-15 25-15 31-15 27-15 14-15 2-15 16-15 1-15 19-12 26- 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1002.4 999.5 996.0 993.7 990.2 985.2 980.1 983.0 988.5 995.5 1001.4 1001.9 993.1 MAX. QFE PRESSURE IN HPA 1008.0 1005.0 1001.0 999.0 995.2 989.1 984.3 988.3 992.5 1000.0 1006.5 1011.0 1011.0 DAY 3 4 6 8 8 3 30 31 14 28 15 29 MIN. QFE PRESSURE IN HPA 995.4 992.0 988.8 987.0 987.0 980.6 976.0 979.7 984.0 989.5 997.6 990.0 976.0 DAY 26 2 23 20 18 27 18 2 17 1 19 26 MEAN QNH PRESSURE IN HPA 1020.1 1017.2 1013.7 1011.3 1007.8 1002.7 997.6 1000.4 1006.1 1013.1 1019.2 1019.7 1010.7 MAX. QNH PRESSURE IN HPA 1025.8 1022.8 1018.7 1016.7 1012.9 1006.7 1001.8 1005.8 1010.1 1017.7 1024.3 1028.9 1028.9 DAY 3 4 6 8 8 3 30 31 14 28 15 29 MIN. QNH PRESSURE IN HPA 1013.0 1009.6 1006.4 1004.5 1004.5 998.0 993.4 997.1 1001.5 1007.1 1015.3 1007.6 993.4 DAY 26 2 23 20 18 27 18 2 17 1 19 26 MEAN QFF PRESSURE IN HPA 1020.6 1017.4 1013.7 1011.0 1007.1 1001.7 996.4 999.3 1005.2 1012.6 1019.2 1019.9 1010.4 MAX. QFF PRESSURE IN HPA 1026.6 1023.2 1019.3 1016.7 1012.3 1005.7 1000.6 1005.0 1009.2 1017.3 1025.1 1029.8 1029.8 DAY 3 4 6 8 8 3 30 31 14 28 15 29 MIN. QFF PRESSURE IN HPA 1013.2 1009.5 1006.4 1003.8 1003.6 997.2 992.3 995.9 1000.6 1006.4 1015.2 1007.6 992.3 DAY 26 2 23 20 18 27 14 2 17 1 19 26 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1003.7 1000.7 997.2 994.7 991.2 985.9 981.0 983.9 989.7 996.9 1002.6 1003.4 994.2 MAX. QFE PRESSURE IN HPA 1009.2 1006.5 1002.8 1000.5 996.2 989.8 985.2 990.0 994.0 1001.3 1007.8 1012.3 1012.3 DAY 3 20 6 8 8 3 30 31 14 28 15 29 MIN. QFE PRESSURE IN HPA 997.0 994.3 992.4 988.0 987.4 981.6 977.0 980.5 985.2 990.6 997.7 991.1 977.0 DAY 26 2 9 25 27 27 14 2 17 1 11 26 MEAN QNH PRESSURE IN HPA 1021.5 1018.4 1014.9 1012.4 1008.8 1003.4 998.4 1001.4 1007.3 1014.6 1020.4 1021.1 1011.9 MAX. QNH PRESSURE IN HPA 1027.1 1024.3 1020.6 1018.2 1013.9 1007.4 1002.7 1007.6 1011.6 1019.0 1025.6 1030.2 1030.2 DAY 3 20 6 8 8 3 30 31 14 28 15 29 MIN. QNH PRESSURE IN HPA 1014.7 1011.9 1010.0 1005.5 1004.9 999.0 994.4 997.9 1002.7 1008.2 1015.4 1008.7 994.4 DAY 26 2 9 25 27 27 14 2 17 1 11 26 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1003.3 1000.4 997.1 994.6 990.9 985.5 980.7 983.5 989.2 996.3 1002.0 1002.6 993.8 MAX. QFE PRESSURE IN HPA 1008.7 1006.7 1002.4 1000.3 995.3 989.8 984.6 989.8 993.6 1000.5 1006.5 1011.2 1011.2 DAY 3 4 6 7 8 3 30 31 14 28 14 29 MIN. QFE PRESSURE IN HPA 997.5 994.0 991.8 987.6 986.5 981.2 977.0 980.0 984.9 990.0 997.2 992.0 977.0 DAY 26 2 20 25 27 28 14 2 17 1 19 26 MEAN QNH PRESSURE IN HPA 1021.0 1018.1 1014.8 1012.3 1008.5 1003.0 998.1 1001.0 1006.7 1013.9 1019.7 1020.3 1011.5 MAX. QNH PRESSURE IN HPA 1026.5 1024.5 1020.2 1018.0 1013.0 1007.4 1002.1 1007.4 1011.2 1018.2 1024.3 1029.1 1029.1 DAY 3 4 6 7 8 3 30 31 14 28 14 29 MIN. QNH PRESSURE IN HPA 1015.2 1011.6 1009.4 1005.1 1004.0 998.6 994.4 997.4 1002.4 1007.6 1014.9 1009.6 994.4 DAY 26 2 20 25 27 28 14 2 17 1 19 26 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1002.0 998.5 995.5 993.0 989.6 984.3 979.3 982.2 987.6 994.8 1000.5 1001.2 992.4 MAX. QFE PRESSURE IN HPA 1007.4 1005.4 1000.0 999.0 995.0 988.3 983.0 988.5 991.4 998.7 1005.3 1010.5 1010.5 DAY 3 4 6 7 3 3 11 31 14 28 14 29 MIN. QFE PRESSURE IN HPA 996.0 991.2 990.0 986.3 986.0 980.0 975.9 978.4 983.4 989.0 996.3 991.8 975.9 DAY 16 23 20 25 27 27 18 2 16 1 19 26 MEAN QNH PRESSURE IN HPA 1019.8 1016.2 1013.1 1010.7 1007.2 1001.7 996.7 999.6 1005.1 1012.5 1018.2 1019.0 1010.0 MAX. QNH PRESSURE IN HPA 1025.2 1023.2 1017.7 1016.7 1012.6 1005.8 1000.5 1006.0 1009.0 1016.4 1023.1 1028.4 1028.4 DAY 3 4 6 7 3 3 11 31 14 28 14 29 MIN. QNH PRESSURE IN HPA 1013.7 1008.8 1007.6 1003.8 1003.5 997.4 993.3 995.8 1000.9 1006.6 1014.0 1009.4 993.3 DAY 16 23 20 25 27 27 18 2 16 1 19 26 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1002.0 998.7 995.4 992.5 989.2 983.7 978.6 981.7 987.5 995.0 1000.9 1001.7 992.2 MAX. QFE PRESSURE IN HPA 1007.2 1005.7 1000.0 998.0 994.0 987.9 982.5 988.2 991.3 998.8 1006.8 1010.2 1010.2 DAY 3 4 6 7 3 3 11 31 14 23 14 29 MIN. QFE PRESSURE IN HPA 996.8 992.3 988.8 985.3 985.8 979.3 975.0 977.5 983.2 988.8 996.8 992.0 975.0 DAY 25 23 8 25 31 27 14 2 16 1 10 25 MEAN QNH PRESSURE IN HPA 1019.8 1016.4 1013.0 1010.1 1006.7 1001.1 996.0 999.1 1005.0 1012.7 1018.6 1019.4 1009.8 MAX. QNH PRESSURE IN HPA 1025.0 1023.5 1017.7 1015.7 1011.6 1005.4 1000.0 1005.7 1008.9 1016.5 1024.6 1028.1 1028.1 DAY 3 4 6 7 3 3 11 31 14 23 14 29 MIN. QNH PRESSURE IN HPA 1014.5 1009.9 1006.4 1002.8 1003.3 996.7 992.4 994.9 1000.7 1006.4 1014.5 1009.6 992.4 DAY 25 23 8 25 31 27 14 2 16 1 10 25 MEAN QFF PRESSURE IN HPA 1020.2 1016.6 1013.1 1009.8 1006.0 1000.1 994.8 998.0 1004.2 1012.1 1018.7 1019.7 1009.4 MAX. QFF PRESSURE IN HPA 1025.7 1023.9 1018.2 1015.8 1011.1 1004.5 998.8 1004.9 1008.0 1016.2 1025.1 1029.0 1029.0 DAY 3 4 6 7 5 3 11 31 14 31 14 29 MIN. QFF PRESSURE IN HPA 1014.7 1009.8 1006.3 1002.3 1002.3 995.8 990.9 993.8 999.7 1005.7 1014.1 1009.8 990.9 DAY 25 23 8 25 31 30 14 2 16 1 10 25 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.5 13.8 19.6 26.7 33.6 35.9 40.8 39.1 34.5 29.5 20.8 13.7 26.5 MINIMUN AIR TEMPERATURE (C) 5.2 7.5 13.0 18.0 23.3 26.2 30.6 29.0 24.8 20.5 14.9 9.1 18.5 DAYS WITH MINIMUM TEMP. >=21 0 0 1 4 24 30 31 31 28 16 0 0 165 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 2 0 0 0 0 0 0 0 0 0 0 0 2 TEMPERATURE RECORDS LOWEST(C) -0.6 2.2 5.2 8.4 19.8 22.4 27.8 26.0 20.2 13.6 8.2 4.8 -0.6 DAY 5 3 31 1 15 2 7 12 20 23 23 7 MAXIMUM AIR TEMPERATURE (C) 15.1 18.4 24.6 32.1 38.9 44.0 47.0 45.5 40.8 35.5 25.5 17.3 32.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 21 31 30 31 31 30 29 1 0 205 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 24.4 31.2 37.2 45.8 49.6 50.2 47.8 45.8 41.2 30.0 26.0 50.2 DAY 22 27 7 17 30 28 20 27 9 9 2 1 DIF. BETWEEN (MAX.-MIN.) (C) 9.9 10.9 11.6 14.1 15.6 17.8 16.4 16.5 16.0 15.0 10.6 8.2 13.5 MEAN DAILY TEMP. (MDT) (C) 10.1 12.9 18.8 25.0 31.1 35.1 38.8 37.2 32.8 28.0 20.2 13.2 25.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 8.5 133.3 313.7 422.5 551.9 502.5 353.6 216.3 18.4 0.5 2521.2 HEATING DEG. DAYS(BASE 18 0C) 243.9 141.8 24.0 2.6 0.0 0.0 0.0 0.0 0.0 0.0 12.3 153.1 577.7 DEWPOINT (MEAN C) 4.6 4.3 7.9 8.6 5.6 8.0 12.8 10.8 9.5 9.0 10.2 9.8 8.4 MIXING RATIO (G/KG) 5.39 5.49 6.96 7.28 6.03 7.06 10.05 8.57 8.08 7.46 8.15 7.73 7.35 VAPOUR PRESSURE (HPA) 8.62 8.76 11.01 11.51 9.51 11.05 15.59 13.37 12.67 11.81 12.95 12.31 11.60 SATURATION DEF. (HPA) 4.56 7.64 12.63 25.17 45.19 51.41 64.40 59.60 44.31 31.30 12.37 3.77 30.20 RELATIVE HUMIDITY (MEAN %) 69 56 50 35 21 20 22 20 24 30 54 79 40 RELATIVE HUMIDITY (MAX. %) 86 74 71 55 36 34 33 31 38 43 71 91 55 RELATIVE HUMIDITY (MIN. %) 53 40 34 21 12 11 14 13 15 21 39 64 28 RELATIVE HUMIDITY (MEAN% 03UTC) 84 72 68 55 36 31 32 30 38 42 68 90 54 RELATIVE HUMIDITY (MEAN% 09UTC) 64 48 42 28 15 14 18 16 19 25 45 71 34 RELATIVE HUMIDITY (MEAN% 15UTC) 67 55 47 31 18 14 17 17 20 29 55 81 38 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 33.1 31.0 25.8 12.7 0.4 0.0 0.0 0.0 0.0 4.0 28.9 215.8 351.7 DAYS WITH PRECIPITATION >=10 1 1 0 0 0 0 0 0 0 0 1 6 9 DAYS WITH PRECIPITATION >= 5 4 2 2 0 0 0 0 0 0 0 3 6 17 DAYS WITH PRECIPITATION >= 1 5 3 6 4 0 0 0 0 0 1 6 8 33 DAYS WITH PRECIPITATION 8 8 10 7 2 0 0 0 0 1 7 8 51 GREATEST DAILY PRECIPITATION 12.0 19.0 8.0 4.0 0.3 0.0 0.0 0.0 0.0 4.0 10.0 105.0 105.0 DAY 3 23 16 26 8 ** ** ** ** 31 12 4 DAY WITH THUNDER STORM 1 2 4 5 0 0 0 0 0 1 4 6 23 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 7 4 7 13 13 7 8 3 0 0 62 WIND DIRECTION (PREVAILING) 270 225 315 315 315 315 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 6.1 6.9 9.8 9.7 15.8 10.1 9.1 9.1 9.0 7.7 7.1 8.7 8.8 PREVAILING WIND PERCENT 11.0 10.0 10.3 18.7 21.3 23.3 20.6 25.8 20.0 9.7 14.0 8.4 13.4 CALMS PERCENT OF WIND 61.3 69.3 54.2 52.7 36.8 50.0 34.8 34.2 44.7 69.7 53.3 68.4 52.3 NO. OF WIND OBSERVATION 155 140 155 150 155 202 155 155 150 155 150 155 1877 VECTOR WIND DIRECTION (MEAN) 242 252 171 286 290 289 245 256 272 280 302 221 269 VECTOR WIND MAGNITUDE(KNOTS) 0.6 1.4 1.0 1.8 4.6 3.5 3.0 3.4 3.3 1.3 0.7 0.5 1.9 WIND STEADINESES (MEAN %) 20.7 58.3 22.7 43.9 62.2 77.8 55.6 65.4 73.3 56.5 22.6 18.5 46.3 WIND SPEED (MEAN KNOTS) 2.9 2.4 4.4 4.1 7.4 4.5 5.4 5.2 4.5 2.3 3.1 2.7 4.1 FASTEST WIND DIRECTION 130 170 150 60 310 270 320 300 300 290 270 270 270 FASTEST WIND SPEED (KNOTS) 29 25 29 19 35 19 23 23 19 19 14 39 39 DAY 11 22 15 5 27 16 9 27 18 3 4 4 DAYS WITH SKY CLEAR (0-2)/8 15 15 14 12 21 30 31 29 30 21 12 16 246 DAYS WITH P.CLOUDY (3-6)/8 11 7 6 13 3 0 0 2 0 9 10 6 67 DAYS WITH CLOUDY (7-8)/8 5 6 11 5 7 0 0 0 0 1 8 9 52 DAYS WITH VISIBILITY =< 2 KM 2 1 0 0 0 0 0 0 0 0 1 1 5 DURATION OF SUNSHINE HOURS 193.7 193.6 192.3 229.8 284.4 353.8 363.0 339.3 309.9 282.2 165.6 188.3 3095.9 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1002.8 1002.8 996.4 996.2 992.0 985.9 982.7 984.4 990.1 996.9 1002.0 1002.8 994.6 MAX. QFE PRESSURE IN HPA 1008.1 1008.0 1007.9 1007.0 998.9 991.0 987.0 988.2 997.7 1004.0 1006.7 1007.8 1008.1 DAY-HOUR 18- 6 7- 6 31- 9 1- 6 8- 6 1- 6 8- 6 26- 6 24- 6 27- 6 26- 6 19- 6 MIN. QFE PRESSURE IN HPA 993.2 992.0 985.5 988.1 985.0 980.7 978.5 980.0 984.6 990.2 997.5 997.0 978.5 DAY-HOUR 11-15 22-12 15-15 23-15 30-12 30-15 30-15 1-15 5-15 11-12 16- 3 12-15 MEAN QNH PRESSURE IN HPA 1020.6 1020.5 1014.1 1013.9 1009.5 1003.4 1000.2 1001.9 1007.7 1014.5 1019.7 1020.6 1012.2 MAX. QNH PRESSURE IN HPA 1025.9 1025.8 1025.7 1024.8 1016.6 1008.6 1004.5 1005.7 1015.4 1021.8 1024.5 1025.6 1025.9 DAY-HOUR 18- 6 7- 6 31- 9 1- 6 8- 6 1- 6 8- 6 26- 6 24- 6 27- 6 26- 6 19- 6 MIN. QNH PRESSURE IN HPA 1010.8 1009.6 1003.0 1005.6 1002.5 998.1 995.9 997.4 1002.1 1007.8 1015.2 1014.7 995.9 DAY-HOUR 11-15 22-12 15-15 23-15 30-12 30-15 30-15 1-15 5-15 11-12 16- 3 12-15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.3 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.6 ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** 12- 6 **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 997.0 ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** 30-15 **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 986.0 ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 990.5 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 1 ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 982.0 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 8 ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1003.5 ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1008.1 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 1 ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 999.5 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 8 ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.4 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.1 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 1 ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 998.3 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 16 ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1002.5 1002.5 996.4 996.3 992.0 986.1 983.0 984.6 990.1 996.8 1001.7 1002.6 994.5 MAX. QFE PRESSURE IN HPA 1006.1 1006.2 1005.4 1006.1 997.8 990.5 986.7 987.1 996.2 1002.4 1005.6 1006.8 1006.8 DAY 30 4 31 1 9 1 9 26 24 27 26 19 MIN. QFE PRESSURE IN HPA 998.0 997.0 989.3 990.2 986.6 982.1 980.0 981.7 986.0 991.2 997.5 997.5 980.0 DAY 3 13 27 24 30 30 31 1 6 11 16 4 MEAN QNH PRESSURE IN HPA 1020.3 1020.2 1014.1 1014.0 1009.6 1003.6 1000.5 1002.1 1007.7 1014.5 1019.4 1020.3 1012.2 MAX. QNH PRESSURE IN HPA 1023.9 1024.0 1023.2 1023.9 1015.5 1008.1 1004.2 1004.6 1013.9 1020.2 1023.4 1024.6 1024.6 DAY 30 4 31 1 9 1 9 26 24 27 26 19 MIN. QNH PRESSURE IN HPA 1015.7 1014.7 1006.9 1007.8 1004.1 999.6 997.4 999.2 1003.5 1008.8 1015.2 1015.2 997.4 DAY 3 13 27 24 30 30 31 1 6 11 16 4 MEAN QFF PRESSURE IN HPA 1020.9 1020.6 1014.1 1013.6 1008.8 1002.6 999.3 1000.9 1006.8 1014.0 1019.3 1020.7 1011.8 MAX. QFF PRESSURE IN HPA 1024.6 1024.7 1023.8 1024.2 1015.1 1007.2 1003.0 1003.5 1013.1 1019.7 1023.5 1025.2 1025.2 DAY 19 4 31 1 9 1 9 26 24 27 26 19 MIN. QFF PRESSURE IN HPA 1015.9 1014.8 1006.6 1007.3 1003.2 998.4 996.2 998.0 1002.5 1008.2 1015.0 1015.2 996.2 DAY 28 22 27 24 30 30 31 1 6 11 16 4 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1004.0 1004.1 997.5 997.6 993.1 986.8 983.9 985.5 991.2 998.2 1003.2 1003.8 995.7 MAX. QFE PRESSURE IN HPA 1008.1 1008.0 1007.3 1007.0 998.9 991.0 987.0 988.2 997.7 1004.0 1006.7 1007.8 1008.1 DAY 18 7 31 1 8 1 8 26 24 27 26 19 MIN. QFE PRESSURE IN HPA 998.7 998.0 989.0 991.8 987.0 982.9 981.3 982.0 987.2 992.4 999.0 999.0 981.3 DAY 11 22 10 23 30 30 30 1 6 11 16 4 MEAN QNH PRESSURE IN HPA 1021.8 1021.9 1015.2 1015.3 1010.7 1004.3 1001.4 1003.1 1008.8 1015.9 1021.0 1021.6 1013.4 MAX. QNH PRESSURE IN HPA 1025.9 1025.8 1025.1 1024.8 1016.6 1008.6 1004.5 1005.7 1015.4 1021.8 1024.5 1025.6 1025.9 DAY 18 7 31 1 8 1 8 26 24 27 26 19 MIN. QNH PRESSURE IN HPA 1016.4 1015.7 1006.6 1009.4 1004.5 1000.4 998.7 999.5 1004.7 1010.0 1016.7 1016.7 998.7 DAY 11 22 10 23 30 30 30 1 6 11 16 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1003.4 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.6 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 12 ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1000.0 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 15 ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1003.7 1003.6 997.2 997.0 992.7 986.4 983.5 985.1 990.8 997.4 1002.4 1003.2 995.3 MAX. QFE PRESSURE IN HPA 1007.9 1007.7 1007.9 1006.0 998.6 990.7 987.0 987.9 996.6 1002.7 1005.8 1007.2 1007.9 DAY 18 8 31 1 8 12 8 26 24 27 22 18 MIN. QFE PRESSURE IN HPA 997.0 995.0 990.0 990.6 986.3 982.2 980.9 981.5 987.0 992.1 998.8 997.8 980.9 DAY 11 22 10 23 30 30 30 1 6 11 16 4 MEAN QNH PRESSURE IN HPA 1021.4 1021.4 1014.9 1014.7 1010.3 1004.0 1001.0 1002.6 1008.4 1015.1 1020.2 1021.0 1012.9 MAX. QNH PRESSURE IN HPA 1025.7 1025.5 1025.7 1023.8 1016.3 1008.3 1004.5 1005.4 1014.3 1020.5 1023.6 1025.0 1025.7 DAY 18 8 31 1 8 12 8 26 24 27 22 18 MIN. QNH PRESSURE IN HPA 1014.7 1012.6 1007.6 1008.2 1003.8 999.7 998.3 998.9 1004.5 1009.7 1016.5 1015.5 998.3 DAY 11 22 10 23 30 30 30 1 6 11 16 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.9 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.3 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 12 ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 999.5 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 15 ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1001.9 1001.7 995.5 995.2 991.2 985.2 982.0 983.8 989.3 995.9 1001.1 1002.1 993.7 MAX. QFE PRESSURE IN HPA 1006.1 1006.0 1005.5 1003.9 998.2 990.0 985.8 986.8 994.6 1001.0 1004.9 1006.6 1006.6 DAY 18 8 31 1 8 12 8 26 24 27 21 18 MIN. QFE PRESSURE IN HPA 994.0 992.0 986.0 988.8 985.0 981.2 979.0 980.2 985.1 990.2 998.0 997.6 979.0 DAY 11 22 15 23 30 30 31 1 5 11 6 4 MEAN QNH PRESSURE IN HPA 1019.7 1019.4 1013.2 1012.9 1008.8 1002.7 999.5 1001.2 1006.9 1013.5 1018.9 1019.8 1011.4 MAX. QNH PRESSURE IN HPA 1023.9 1023.8 1023.3 1021.7 1015.9 1007.6 1003.3 1004.3 1012.2 1018.7 1022.7 1024.4 1024.4 DAY 18 8 31 1 8 12 8 26 24 27 21 18 MIN. QNH PRESSURE IN HPA 1011.6 1009.6 1003.5 1006.4 1002.5 998.6 996.4 997.6 1002.6 1007.8 1015.7 1015.3 996.4 DAY 11 22 15 23 30 30 31 1 5 11 6 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1001.9 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.6 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 12 ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 997.9 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 15 ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1002.1 1002.0 995.6 995.0 990.9 984.7 981.3 983.3 989.1 996.0 1001.4 1002.5 993.6 MAX. QFE PRESSURE IN HPA 1007.0 1006.0 1005.2 1003.9 997.6 989.2 985.2 986.1 994.0 1002.0 1005.6 1007.4 1007.4 DAY 18 7 31 1 8 12 8 26 24 27 22 18 MIN. QFE PRESSURE IN HPA 993.2 994.0 985.5 988.1 985.0 980.7 978.5 980.0 984.6 990.7 997.7 997.0 978.5 DAY 11 22 15 23 30 30 30 1 5 11 16 12 MEAN QNH PRESSURE IN HPA 1019.9 1019.8 1013.2 1012.6 1008.5 1002.2 998.7 1000.8 1006.6 1013.7 1019.1 1020.2 1011.3 MAX. QNH PRESSURE IN HPA 1024.8 1023.8 1023.0 1021.7 1015.3 1006.8 1002.7 1003.6 1011.6 1019.7 1023.4 1025.2 1025.2 DAY 18 7 31 1 8 12 8 26 24 27 22 18 MIN. QNH PRESSURE IN HPA 1010.8 1011.6 1003.0 1005.6 1002.5 998.1 995.9 997.4 1002.1 1008.3 1015.4 1014.7 995.9 DAY 11 22 15 23 30 30 30 1 5 11 16 12 MEAN QFF PRESSURE IN HPA 1020.4 1020.1 1013.2 1012.2 1007.7 1001.1 997.5 999.7 1005.8 1013.2 1019.0 1020.6 1010.9 MAX. QFF PRESSURE IN HPA 1025.6 1024.3 1023.5 1021.9 1014.9 1005.8 1001.4 1002.5 1010.9 1019.2 1023.7 1025.8 1025.8 DAY 18 7 31 1 8 12 8 26 24 27 22 18 MIN. QFF PRESSURE IN HPA 1011.0 1011.7 1002.8 1005.1 1001.5 997.0 994.5 996.3 1001.0 1007.7 1015.1 1014.8 994.5 DAY 11 22 15 23 30 30 30 1 5 11 16 12 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 986.0 ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 990.4 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 12 ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 982.6 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 15 ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1003.5 ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1008.0 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 12 ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1000.1 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 15 ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.5 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.0 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 12 ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 999.0 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 15 ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 986.3 ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 990.8 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 12 ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 982.8 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 8 ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1003.8 ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1008.4 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 12 ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1000.3 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 8 ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.7 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.4 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 12 ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 999.1 ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** 8 ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.3 14.4 19.9 25.1 35.6 38.4 40.3 38.5 35.7 29.6 22.5 16.8 27.3 MINIMUN AIR TEMPERATURE (C) 6.5 8.3 12.0 17.3 24.4 26.5 30.2 28.1 24.9 21.0 14.6 10.3 18.7 DAYS WITH MINIMUM TEMP. >=21 0 0 0 3 25 30 31 31 30 18 0 0 168 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 1.0 4.8 7.6 11.0 18.6 22.8 26.0 25.0 23.0 16.4 10.2 2.6 1.0 DAY 12 12 20 6 7 21 3 21 21 31 14 28 MAXIMUM AIR TEMPERATURE (C) 15.1 18.7 25.0 31.2 41.4 44.7 46.0 44.6 42.0 35.2 28.4 21.9 32.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 18 31 30 31 31 30 28 11 0 211 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.2 23.6 30.2 37.8 47.2 48.0 49.8 48.2 45.2 40.0 32.8 27.6 49.8 DAY 1 18 31 28 18 5 17 4 6 8 11 6 DIF. BETWEEN (MAX.-MIN.) (C) 8.6 10.4 13.0 13.9 17.0 18.2 15.8 16.5 17.1 14.2 13.8 11.6 14.2 MEAN DAILY TEMP. (MDT) (C) 10.8 13.5 18.5 24.2 32.9 35.6 38.1 36.4 33.5 28.1 21.5 16.1 25.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 5.5 106.8 368.3 439.0 531.4 476.7 374.4 220.0 36.4 0.0 2558.5 HEATING DEG. DAYS(BASE 18 0C) 224.5 125.3 23.4 0.1 0.0 0.0 0.0 0.0 0.0 0.0 1.3 78.0 452.6 DEWPOINT (MEAN C) 5.8 6.5 6.2 5.9 5.8 6.6 8.5 7.2 6.6 7.0 6.6 6.0 6.6 MIXING RATIO (G/KG) 5.92 6.28 6.16 6.16 6.16 6.50 7.53 6.70 6.36 6.73 6.27 5.95 6.40 VAPOUR PRESSURE (HPA) 9.45 9.99 9.80 9.76 9.69 10.19 11.74 10.50 10.01 10.67 9.99 9.50 10.11 SATURATION DEF. (HPA) 4.35 6.84 14.23 23.95 51.91 60.50 66.37 60.47 50.91 32.32 18.39 10.58 33.40 RELATIVE HUMIDITY (MEAN %) 71 63 44 34 18 17 17 17 19 28 39 52 35 RELATIVE HUMIDITY (MAX. %) 87 82 63 49 30 29 29 28 30 41 56 68 49 RELATIVE HUMIDITY (MIN. %) 55 46 29 18 12 9 10 10 10 17 24 35 23 RELATIVE HUMIDITY (MEAN% 03UTC) 86 81 61 46 29 29 29 28 30 41 54 66 48 RELATIVE HUMIDITY (MEAN% 09UTC) 61 53 35 22 13 12 14 13 14 23 30 44 28 RELATIVE HUMIDITY (MEAN% 15UTC) 73 62 42 29 16 12 12 12 16 27 41 53 33 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 66.9 37.3 4.8 12.4 0.7 0.0 0.0 0.0 0.0 28.2 16.6 21.5 188.4 DAYS WITH PRECIPITATION >=10 3 2 0 1 0 0 0 0 0 1 1 1 9 DAYS WITH PRECIPITATION >= 5 4 3 0 1 0 0 0 0 0 1 1 2 12 DAYS WITH PRECIPITATION >= 1 7 6 1 2 0 0 0 0 0 1 1 2 20 DAYS WITH PRECIPITATION 9 8 4 2 1 0 0 0 0 1 2 2 29 GREATEST DAILY PRECIPITATION 20.0 14.3 4.0 11.2 0.7 0.0 0.0 0.0 0.0 28.2 16.0 16.0 28.2 DAY 4 5 14 3 12 ** ** ** ** 29 28 21 DAY WITH THUNDER STORM 3 1 0 1 1 0 0 0 0 1 1 1 9 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 3 3 6 8 6 9 4 3 0 0 0 42 WIND DIRECTION (PREVAILING) 315 315 270 270 315 270 270 270 270 270 315 270 270 PREVAILING WIND SPEED(KNOTS) 9.1 7.3 6.4 7.5 12.1 8.8 10.1 7.0 7.4 6.3 8.1 5.2 8.0 PREVAILING WIND PERCENT 9.0 18.6 14.8 20.1 31.6 28.0 31.0 20.6 18.0 10.3 9.3 6.5 17.0 CALMS PERCENT OF WIND 67.7 45.7 45.8 36.7 33.5 32.0 33.5 33.5 57.3 63.2 74.0 81.9 50.3 NO. OF WIND OBSERVATION 155 140 155 169 155 150 155 155 150 155 150 155 1844 VECTOR WIND DIRECTION (MEAN) 280 259 283 257 300 275 265 249 263 265 264 279 274 VECTOR WIND MAGNITUDE(KNOTS) 1.0 1.5 1.0 1.4 6.2 5.0 3.8 2.4 2.1 1.1 0.8 0.6 2.2 WIND STEADINESES (MEAN %) 41.7 38.5 27.0 29.2 86.1 76.9 62.3 53.3 70.0 42.3 40.0 54.5 55.0 WIND SPEED (MEAN KNOTS) 2.4 3.9 3.7 4.8 7.2 6.5 6.1 4.5 3.0 2.6 2.0 1.1 4.0 FASTEST WIND DIRECTION 150 300 290 140 300 310 300 280 270 330 180 300 300 FASTEST WIND SPEED (KNOTS) 16 23 16 23 31 29 23 17 19 23 19 14 31 DAY 8 11 3 13 12 5 2 6 11 29 12 15 DAYS WITH SKY CLEAR (0-2)/8 12 18 16 13 26 30 29 28 30 21 20 14 257 DAYS WITH P.CLOUDY (3-6)/8 9 5 11 11 3 0 2 3 0 9 10 13 76 DAYS WITH CLOUDY (7-8)/8 10 5 4 6 2 0 0 0 0 1 0 4 32 DAYS WITH VISIBILITY =< 2 KM 1 0 0 0 0 0 0 1 0 0 0 0 2 DURATION OF SUNSHINE HOURS 173.5 211.7 236.5 117.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1003.9 999.3 1000.0 995.6 990.3 986.1 982.4 985.0 989.2 997.6 1001.5 1002.7 994.5 MAX. QFE PRESSURE IN HPA 1011.1 1005.2 1006.9 1001.2 996.2 992.1 989.0 988.6 995.2 1005.0 1007.9 1008.6 1011.1 DAY-HOUR 12- 6 12- 9 9- 6 4-21 8- 6 4- 6 15- 6 29- 6 27- 6 30- 6 14- 6 28- 6 MIN. QFE PRESSURE IN HPA 993.5 991.3 994.0 989.2 984.2 980.0 978.6 980.0 984.0 991.5 994.0 996.0 978.6 DAY-HOUR 4-15 10- 3 31-15 29-15 30-12 30-15 18-15 14-15 5-12 1-12 1-12 21- 9 MEAN QNH PRESSURE IN HPA 1021.7 1017.1 1017.7 1013.3 1007.9 1003.6 999.8 1002.5 1006.8 1015.3 1019.2 1020.4 1012.1 MAX. QNH PRESSURE IN HPA 1029.0 1023.0 1024.7 1018.9 1013.9 1009.7 1006.6 1006.2 1012.9 1022.8 1025.7 1026.4 1029.0 DAY-HOUR 12- 6 12- 9 9- 6 4-21 8- 6 4- 6 15- 6 29- 6 27- 6 30- 6 14- 6 28- 6 MIN. QNH PRESSURE IN HPA 1011.1 1008.9 1011.6 1006.8 1001.7 997.4 996.0 997.4 1001.5 1009.1 1011.6 1013.7 996.0 DAY-HOUR 4-15 10- 3 31-15 29-15 30-12 30-15 18-15 14-15 5-12 1-12 1-12 21- 9 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1003.7 999.2 1000.0 995.4 990.6 986.5 982.8 985.4 989.4 997.5 1001.5 1002.6 994.6 MAX. QFE PRESSURE IN HPA 1009.6 1004.5 1005.0 1000.7 995.5 991.0 987.7 988.0 994.0 1003.4 1007.0 1007.3 1009.6 DAY 20 12 9 4 8 4 15 29 27 30 14 29 MIN. QFE PRESSURE IN HPA 998.2 991.3 997.0 989.8 985.0 982.0 980.0 981.0 985.1 992.0 994.7 998.1 980.0 DAY 4 10 24 2 30 24 5 14 4 1 2 25 MEAN QNH PRESSURE IN HPA 1021.5 1017.0 1017.7 1013.0 1008.2 1004.0 1000.3 1002.9 1007.0 1015.2 1019.2 1020.3 1012.2 MAX. QNH PRESSURE IN HPA 1027.5 1022.3 1022.8 1018.4 1013.2 1008.6 1005.2 1005.5 1011.6 1021.2 1024.8 1025.1 1027.5 DAY 20 12 9 4 8 4 15 29 27 30 14 29 MIN. QNH PRESSURE IN HPA 1015.9 1008.9 1014.7 1007.4 1002.5 999.5 997.4 998.4 1002.6 1009.6 1012.3 1015.8 997.4 DAY 4 10 24 2 30 24 5 14 4 1 2 25 MEAN QFF PRESSURE IN HPA 1022.0 1017.3 1017.7 1012.7 1007.4 1003.0 999.1 1001.8 1006.1 1014.7 1019.1 1020.6 1011.8 MAX. QFF PRESSURE IN HPA 1028.1 1022.9 1022.8 1018.2 1012.6 1007.5 1004.1 1004.5 1010.8 1020.9 1025.0 1025.8 1028.1 DAY 12 12 9 4 8 17 15 29 27 30 14 29 MIN. QFF PRESSURE IN HPA 1016.2 1009.0 1014.5 1007.1 1001.5 998.4 996.4 997.3 1001.7 1008.8 1012.1 1015.9 996.4 DAY 4 10 24 2 30 24 5 14 4 1 2 25 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1005.2 1000.5 1001.3 996.6 991.6 987.2 983.5 986.1 990.4 999.0 1002.8 1004.0 995.7 MAX. QFE PRESSURE IN HPA 1011.1 1005.2 1006.9 1001.1 996.2 992.1 989.0 988.6 995.2 1005.0 1007.9 1008.6 1011.1 DAY 12 13 9 4 8 4 15 29 27 30 14 28 MIN. QFE PRESSURE IN HPA 999.0 993.2 998.3 991.2 985.9 982.4 980.6 981.8 985.8 993.2 996.3 999.0 980.6 DAY 1 15 31 15 30 24 5 14 5 1 2 10 MEAN QNH PRESSURE IN HPA 1023.0 1018.2 1019.0 1014.2 1009.2 1004.7 1001.0 1003.6 1008.0 1016.7 1020.5 1021.7 1013.3 MAX. QNH PRESSURE IN HPA 1029.0 1023.0 1024.7 1018.8 1013.9 1009.7 1006.6 1006.2 1012.9 1022.8 1025.7 1026.4 1029.0 DAY 12 13 9 4 8 4 15 29 27 30 14 28 MIN. QNH PRESSURE IN HPA 1016.7 1010.8 1016.0 1008.8 1003.4 999.9 998.0 999.3 1003.3 1010.8 1014.0 1016.7 998.0 DAY 1 15 31 15 30 24 5 14 5 1 2 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1004.6 1000.1 1000.8 996.3 990.9 986.8 982.9 985.5 989.8 998.2 1001.8 1003.0 995.1 MAX. QFE PRESSURE IN HPA 1010.7 1005.2 1006.9 1001.0 995.3 991.2 987.9 987.8 994.2 1003.9 1007.3 1007.6 1010.7 DAY 11 12 9 8 7 4 15 29 27 30 14 28 MIN. QFE PRESSURE IN HPA 997.0 993.5 998.0 991.6 985.0 982.0 980.7 981.3 985.0 992.9 995.9 996.0 980.7 DAY 4 15 31 15 30 30 12 14 5 1 2 21 MEAN QNH PRESSURE IN HPA 1022.4 1017.8 1018.5 1013.9 1008.5 1004.3 1000.4 1003.1 1007.4 1015.9 1019.6 1020.8 1012.7 MAX. QNH PRESSURE IN HPA 1028.6 1023.0 1024.7 1018.7 1013.0 1008.8 1005.4 1005.3 1011.8 1021.7 1025.1 1025.4 1028.6 DAY 11 12 9 8 7 4 15 29 27 30 14 28 MIN. QNH PRESSURE IN HPA 1014.7 1011.1 1015.7 1009.2 1002.5 999.5 998.1 998.7 1002.5 1010.5 1013.6 1013.7 998.1 DAY 4 15 31 15 30 30 12 14 5 1 2 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1003.0 998.4 999.0 994.7 989.5 985.3 981.5 984.3 988.3 996.8 1000.3 1001.7 993.6 MAX. QFE PRESSURE IN HPA 1009.7 1003.2 1005.0 999.1 994.6 989.7 986.5 986.8 992.8 1002.5 1006.0 1006.5 1009.7 DAY 11 12 9 8 7 4 15 10 27 30 14 28 MIN. QFE PRESSURE IN HPA 993.8 991.5 994.4 990.2 984.2 980.6 979.5 980.3 984.0 991.5 994.0 996.3 979.5 DAY 4 15 31 29 30 30 5 14 5 1 1 10 MEAN QNH PRESSURE IN HPA 1020.7 1016.1 1016.7 1012.4 1007.1 1002.8 999.0 1001.8 1005.9 1014.5 1018.1 1019.4 1011.2 MAX. QNH PRESSURE IN HPA 1027.6 1021.0 1022.8 1016.8 1012.2 1007.3 1004.0 1004.3 1010.4 1020.3 1023.8 1024.3 1027.6 DAY 11 12 9 8 7 4 15 10 27 30 14 28 MIN. QNH PRESSURE IN HPA 1011.4 1009.1 1012.0 1007.8 1001.7 998.0 996.9 997.7 1001.5 1009.1 1011.6 1014.0 996.9 DAY 4 15 31 29 30 30 5 14 5 1 1 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1003.2 998.5 999.0 994.6 989.2 984.8 981.0 983.8 988.2 996.8 1000.9 1002.2 993.5 MAX. QFE PRESSURE IN HPA 1009.7 1003.8 1005.8 999.1 994.0 989.7 986.0 986.2 992.6 1002.2 1006.5 1007.8 1009.7 DAY 11 7 9 4 7 4 15 11 27 30 14 28 MIN. QFE PRESSURE IN HPA 993.5 992.9 994.0 989.2 984.2 980.0 978.6 980.0 984.0 992.0 994.0 997.0 978.6 DAY 4 15 31 29 30 30 18 14 5 1 1 10 MEAN QNH PRESSURE IN HPA 1021.0 1016.2 1016.7 1012.2 1006.7 1002.3 998.5 1001.3 1005.7 1014.4 1018.7 1019.9 1011.1 MAX. QNH PRESSURE IN HPA 1027.6 1021.6 1023.6 1016.8 1011.6 1007.3 1003.5 1003.7 1010.2 1020.0 1024.3 1025.6 1027.6 DAY 11 7 9 4 7 4 15 11 27 30 14 28 MIN. QNH PRESSURE IN HPA 1011.1 1010.5 1011.6 1006.8 1001.7 997.4 996.0 997.4 1001.5 1009.6 1011.6 1014.7 996.0 DAY 4 15 31 29 30 30 18 14 5 1 1 10 MEAN QFF PRESSURE IN HPA 1021.5 1016.6 1016.7 1011.8 1005.9 1001.2 997.3 1000.2 1004.8 1013.9 1018.6 1020.2 1010.7 MAX. QFF PRESSURE IN HPA 1028.4 1022.1 1023.7 1016.6 1011.1 1006.2 1002.3 1002.7 1009.4 1019.7 1024.5 1026.3 1028.4 DAY 11 12 9 4 7 4 15 11 27 30 14 28 MIN. QFF PRESSURE IN HPA 1011.3 1010.6 1011.5 1005.9 1000.7 996.3 994.6 996.2 1000.6 1008.9 1011.4 1014.7 994.6 DAY 4 15 31 29 30 30 18 14 5 1 1 10 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.8 14.1 18.4 26.9 31.4 37.5 38.5 37.7 34.2 27.8 22.0 14.4 26.3 MINIMUN AIR TEMPERATURE (C) 8.9 8.6 12.9 18.0 21.7 27.0 28.2 28.1 24.7 20.4 15.0 10.3 18.7 DAYS WITH MINIMUM TEMP. >=21 0 0 0 4 17 30 31 31 30 11 1 0 155 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 3.6 2.2 6.4 12.4 16.6 21.6 26.0 24.0 21.6 16.0 10.0 4.0 2.2 DAY 28 11 11 14 4 4 8 30 10 30 27 20 MAXIMUM AIR TEMPERATURE (C) 16.0 18.4 22.7 32.6 36.8 43.5 44.6 44.0 40.6 33.5 27.5 18.0 31.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 20 31 29 30 31 30 25 4 0 200 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 22.0 29.2 39.6 40.8 47.0 47.2 47.4 45.0 39.0 35.0 25.0 47.4 DAY 31 19 31 24 31 24 5 1 1 12 1 12 DIF. BETWEEN (MAX.-MIN.) (C) 7.1 9.8 9.8 14.6 15.1 16.5 16.4 15.9 15.9 13.1 12.5 7.7 12.8 MEAN DAILY TEMP. (MDT) (C) 12.4 13.5 17.8 25.3 29.2 35.3 36.4 36.0 32.6 27.0 21.3 14.2 25.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 5.6 131.5 255.3 416.4 461.8 466.4 349.3 185.5 37.9 0.0 2309.7 HEATING DEG. DAYS(BASE 18 0C) 172.4 126.0 42.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.9 124.3 465.7 DEWPOINT (MEAN C) 9.1 5.2 10.9 8.3 3.9 8.8 10.1 12.3 11.7 12.2 7.4 10.1 9.2 MIXING RATIO (G/KG) 7.40 5.90 8.40 7.16 5.36 7.60 8.06 9.56 9.19 9.40 6.57 7.94 7.71 VAPOUR PRESSURE (HPA) 11.78 9.40 13.29 11.33 8.48 11.89 12.57 14.88 14.42 14.84 10.47 12.63 12.16 SATURATION DEF. (HPA) 3.30 7.15 8.57 25.92 39.35 55.37 58.24 52.80 41.55 23.85 17.09 4.29 28.12 RELATIVE HUMIDITY (MEAN %) 80 59 64 34 20 20 20 24 28 43 41 77 43 RELATIVE HUMIDITY (MAX. %) 91 77 82 52 36 32 33 38 43 61 57 89 58 RELATIVE HUMIDITY (MIN. %) 67 41 49 21 11 13 12 15 18 29 28 63 31 RELATIVE HUMIDITY (MEAN% 03UTC) 88 74 79 50 36 32 32 38 42 59 56 87 56 RELATIVE HUMIDITY (MEAN% 09UTC) 74 50 55 27 15 15 16 20 24 36 32 68 36 RELATIVE HUMIDITY (MEAN% 15UTC) 81 57 62 31 14 16 14 19 23 40 40 80 40 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 80.4 52.6 34.3 7.2 0.0 0.0 0.0 0.0 0.0 59.6 0.3 173.4 407.8 DAYS WITH PRECIPITATION >=10 5 2 1 0 0 0 0 0 0 2 0 4 14 DAYS WITH PRECIPITATION >= 5 5 5 2 1 0 0 0 0 0 4 0 6 23 DAYS WITH PRECIPITATION >= 1 9 6 6 2 0 0 0 0 0 6 0 11 40 DAYS WITH PRECIPITATION 11 8 7 4 0 0 0 0 0 7 1 14 52 GREATEST DAILY PRECIPITATION 22.4 20.0 18.0 5.0 0.0 0.0 0.0 0.0 0.0 26.0 0.3 59.0 59.0 DAY 3 21 6 4 ** ** ** ** ** 3 30 10 DAY WITH THUNDER STORM 1 3 2 2 0 0 0 0 0 5 1 6 20 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 0 2 11 3 1 3 1 0 1 0 22 WIND DIRECTION (PREVAILING) 315 270 270 315 270 270 270 270 270 315 270 135 270 PREVAILING WIND SPEED(KNOTS) 6.9 6.4 5.5 9.5 8.5 8.1 7.5 7.2 6.7 9.1 5.8 9.0 7.5 PREVAILING WIND PERCENT 9.7 10.7 9.7 19.3 28.4 24.0 20.0 25.2 17.3 20.6 7.3 15.5 15.0 CALMS PERCENT OF WIND 78.1 68.6 68.4 45.3 37.4 46.7 54.2 49.0 44.7 50.3 68.7 57.4 55.7 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 293 285 274 293 286 283 271 273 252 308 212 160 278 VECTOR WIND MAGNITUDE(KNOTS) 0.3 0.9 0.5 2.1 4.5 3.7 2.2 2.6 1.9 2.7 0.8 0.9 1.7 WIND STEADINESES (MEAN %) 18.8 40.9 23.8 42.9 83.3 84.1 75.9 76.5 51.4 67.5 38.1 26.5 51.5 WIND SPEED (MEAN KNOTS) 1.6 2.2 2.1 4.9 5.4 4.4 2.9 3.4 3.7 4.0 2.1 3.4 3.3 FASTEST WIND DIRECTION 160 310 170 30 300 260 300 300 300 250 170 150 250 FASTEST WIND SPEED (KNOTS) 16 16 19 21 19 19 14 14 16 29 19 29 29 DAY 14 9 6 18 8 23 2 17 22 1 30 12 DAYS WITH SKY CLEAR (0-2)/8 7 11 9 8 16 25 30 31 28 19 19 9 212 DAYS WITH P.CLOUDY (3-6)/8 9 10 11 15 12 3 1 0 2 6 8 8 85 DAYS WITH CLOUDY (7-8)/8 15 7 11 7 3 2 0 0 0 6 3 14 68 DAYS WITH VISIBILITY =< 2 KM 7 0 1 0 4 0 0 1 0 0 0 2 15 DURATION OF SUNSHINE HOURS 75.1 194.1 202.3 241.8 295.3 326.5 338.1 321.2 293.9 224.6 230.2 119.6 2862.7 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1002.4 1002.7 998.4 996.2 992.6 986.3 982.8 984.8 991.8 998.7 1002.6 1002.3 995.1 MAX. QFE PRESSURE IN HPA 1010.7 1011.4 1004.7 1002.6 996.4 993.8 989.6 990.2 998.6 1005.0 1007.5 1008.0 1011.4 DAY-HOUR 28- 6 15- 9 8- 6 19- 6 24- 6 1- 6 2- 6 31- 6 29- 6 18- 6 27- 6 6- 6 MIN. QFE PRESSURE IN HPA 994.8 993.6 991.8 991.0 987.5 979.2 978.0 979.5 985.3 993.0 995.5 994.2 978.0 DAY-HOUR 25-12 28-12 24-12 29-15 28-15 19-12 13-15 1-15 3-15 14-12 4-15 31-12 MEAN QNH PRESSURE IN HPA 1020.2 1020.4 1016.1 1013.9 1010.2 1003.8 1000.2 1002.2 1009.4 1016.4 1020.4 1020.1 1012.8 MAX. QNH PRESSURE IN HPA 1028.6 1029.3 1022.5 1020.4 1014.1 1011.4 1007.2 1007.8 1016.3 1022.8 1025.3 1025.8 1029.3 DAY-HOUR 28- 6 15- 9 8- 6 19- 6 24- 6 1- 6 2- 6 31- 6 29- 6 18- 6 27- 6 6- 6 MIN. QNH PRESSURE IN HPA 1012.4 1011.2 1009.4 1008.6 1005.0 996.6 995.4 996.9 1002.8 1010.6 1013.2 1011.8 995.4 DAY-HOUR 25-12 28-12 24-12 29-15 28-15 19-12 13-15 1-15 3-15 14-12 4-15 31-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1002.3 1002.6 998.3 996.4 992.7 986.9 983.4 985.4 992.2 998.7 1002.7 1002.5 995.3 MAX. QFE PRESSURE IN HPA 1009.4 1010.3 1003.4 1001.0 995.0 992.4 987.8 989.2 998.0 1002.8 1006.5 1006.6 1010.3 DAY 28 16 8 14 9 1 2 31 29 18 27 30 MIN. QFE PRESSURE IN HPA 997.0 996.0 992.3 992.0 989.0 980.3 980.3 981.7 987.2 994.0 998.0 997.0 980.3 DAY 25 28 6 28 28 19 14 1 3 14 4 22 MEAN QNH PRESSURE IN HPA 1020.0 1020.4 1016.0 1014.1 1010.4 1004.4 1000.9 1002.9 1009.8 1016.4 1020.4 1020.2 1013.0 MAX. QNH PRESSURE IN HPA 1027.3 1028.2 1021.2 1018.7 1012.6 1010.0 1005.3 1006.8 1015.7 1020.6 1024.3 1024.4 1028.2 DAY 28 16 8 14 9 1 2 31 29 18 27 30 MIN. QNH PRESSURE IN HPA 1014.7 1013.7 1009.9 1009.6 1006.6 997.7 997.7 999.2 1004.7 1011.6 1015.7 1014.7 997.7 DAY 25 28 6 28 28 19 14 1 3 14 4 22 MEAN QFF PRESSURE IN HPA 1020.4 1020.7 1016.0 1013.7 1009.7 1003.4 999.8 1001.8 1009.1 1015.9 1020.3 1020.5 1012.6 MAX. QFF PRESSURE IN HPA 1028.0 1028.5 1021.6 1018.7 1012.2 1009.2 1004.2 1005.9 1015.0 1020.1 1024.5 1025.0 1028.5 DAY 28 16 8 14 24 1 2 31 29 18 27 30 MIN. QFF PRESSURE IN HPA 1015.0 1013.8 1010.0 1009.0 1005.7 996.5 996.6 998.0 1003.7 1010.9 1015.3 1014.9 996.5 DAY 25 28 23 28 28 19 14 1 3 14 4 22 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1003.6 1003.9 999.7 997.7 993.8 987.5 984.0 986.1 993.3 1000.1 1004.1 1003.6 996.5 MAX. QFE PRESSURE IN HPA 1010.7 1011.2 1004.7 1002.6 996.4 993.8 989.6 990.2 998.6 1005.0 1007.5 1008.0 1011.2 DAY 28 15 8 19 24 1 2 31 29 18 27 6 MIN. QFE PRESSURE IN HPA 997.3 997.0 994.0 993.0 990.0 981.0 980.3 982.4 988.2 995.4 999.5 997.8 980.3 DAY 25 28 6 28 27 19 14 1 3 14 4 25 MEAN QNH PRESSURE IN HPA 1021.4 1021.7 1017.4 1015.4 1011.4 1005.1 1001.5 1003.6 1010.9 1017.8 1021.9 1021.4 1014.1 MAX. QNH PRESSURE IN HPA 1028.6 1029.1 1022.5 1020.4 1014.1 1011.4 1007.2 1007.8 1016.3 1022.8 1025.3 1025.8 1029.1 DAY 28 15 8 19 24 1 2 31 29 18 27 6 MIN. QNH PRESSURE IN HPA 1015.0 1014.7 1011.6 1010.6 1007.6 998.4 997.7 999.9 1005.7 1013.0 1017.2 1015.5 997.7 DAY 25 28 6 28 27 19 14 1 3 14 4 25 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1002.9 1003.5 999.2 996.8 993.3 986.9 983.4 985.3 992.4 999.1 1003.0 1002.5 995.7 MAX. QFE PRESSURE IN HPA 1010.0 1011.4 1004.0 1001.5 995.8 992.0 988.5 989.4 997.4 1003.4 1006.6 1007.1 1011.4 DAY 28 15 8 19 24 1 2 30 29 18 27 23 MIN. QFE PRESSURE IN HPA 996.6 996.0 992.4 992.0 989.7 980.3 980.0 981.8 987.0 994.0 998.0 995.0 980.0 DAY 25 28 23 9 28 19 14 1 3 14 4 25 MEAN QNH PRESSURE IN HPA 1020.6 1021.2 1016.9 1014.5 1011.0 1004.4 1000.9 1002.8 1010.0 1016.8 1020.8 1020.2 1013.3 MAX. QNH PRESSURE IN HPA 1027.9 1029.3 1021.8 1019.2 1013.5 1009.6 1006.0 1007.0 1015.1 1021.2 1024.4 1024.9 1029.3 DAY 28 15 8 19 24 1 2 30 29 18 27 23 MIN. QNH PRESSURE IN HPA 1014.3 1013.7 1010.0 1009.6 1007.3 997.7 997.4 999.3 1004.5 1011.6 1015.7 1012.6 997.4 DAY 25 28 23 9 28 19 14 1 3 14 4 25 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1001.5 1001.6 997.4 995.3 991.8 985.5 981.9 983.7 990.6 997.8 1001.6 1001.3 994.2 MAX. QFE PRESSURE IN HPA 1008.0 1010.0 1002.2 1000.0 994.7 990.6 986.8 987.6 995.2 1001.2 1005.0 1006.0 1010.0 DAY 28 15 17 13 24 22 2 31 29 1 26 29 MIN. QFE PRESSURE IN HPA 994.8 993.6 991.8 991.8 988.2 979.2 979.0 979.8 985.6 993.0 996.0 994.2 979.0 DAY 25 28 24 27 27 19 13 1 3 14 4 31 MEAN QNH PRESSURE IN HPA 1019.2 1019.4 1015.0 1012.9 1009.4 1003.0 999.4 1001.2 1008.2 1015.5 1019.3 1019.0 1011.8 MAX. QNH PRESSURE IN HPA 1025.8 1027.9 1020.0 1017.7 1012.3 1008.2 1004.3 1005.1 1012.9 1018.9 1022.8 1023.8 1027.9 DAY 28 15 17 13 24 22 2 31 29 1 26 29 MIN. QNH PRESSURE IN HPA 1012.4 1011.2 1009.4 1009.4 1005.7 996.6 996.4 997.2 1003.1 1010.6 1013.7 1011.8 996.4 DAY 25 28 24 27 27 19 13 1 3 14 4 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1001.9 1001.8 997.3 994.9 991.4 984.8 981.2 983.3 990.5 997.8 1001.8 1002.0 994.1 MAX. QFE PRESSURE IN HPA 1008.0 1010.0 1002.0 1000.0 994.1 990.0 986.0 987.4 996.5 1002.0 1006.0 1007.0 1010.0 DAY 28 15 8 13 8 22 2 31 29 19 26 29 MIN. QFE PRESSURE IN HPA 995.6 994.2 992.0 991.0 987.5 979.2 978.0 979.5 985.3 993.0 995.5 995.4 978.0 DAY 25 28 24 29 28 19 13 1 3 14 4 31 MEAN QNH PRESSURE IN HPA 1019.6 1019.5 1015.0 1012.5 1009.0 1002.3 998.7 1000.8 1008.1 1015.5 1019.6 1019.7 1011.7 MAX. QNH PRESSURE IN HPA 1025.8 1027.9 1019.7 1017.7 1011.7 1007.6 1003.5 1004.9 1014.2 1019.7 1023.8 1024.8 1027.9 DAY 28 15 8 13 8 22 2 31 29 19 26 29 MIN. QNH PRESSURE IN HPA 1013.3 1011.8 1009.6 1008.6 1005.0 996.6 995.4 996.9 1002.8 1010.6 1013.2 1013.0 995.4 DAY 25 28 24 29 28 19 13 1 3 14 4 31 MEAN QFF PRESSURE IN HPA 1020.0 1019.9 1015.0 1012.1 1008.3 1001.3 997.6 999.7 1007.3 1015.0 1019.5 1020.0 1011.3 MAX. QFF PRESSURE IN HPA 1026.5 1028.3 1020.1 1017.6 1011.2 1006.5 1002.4 1004.1 1013.4 1019.3 1024.0 1025.3 1028.3 DAY 28 15 8 13 24 22 2 31 29 19 26 29 MIN. QFF PRESSURE IN HPA 1013.7 1011.9 1009.5 1007.9 1004.3 995.4 994.2 995.8 1001.8 1009.9 1012.7 1013.4 994.2 DAY 25 28 24 29 28 19 13 1 3 14 4 31 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.0 12.9 15.9 24.1 31.5 37.4 38.3 38.2 35.4 28.5 20.7 13.3 25.5 MINIMUN AIR TEMPERATURE (C) 5.5 7.3 9.6 16.0 22.6 27.1 28.2 28.7 25.1 19.2 14.4 9.5 17.8 DAYS WITH MINIMUM TEMP. >=21 0 0 0 4 25 30 31 31 28 6 0 0 155 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 0 1 TEMPERATURE RECORDS LOWEST(C) 0.0 0.2 2.8 10.8 19.0 23.6 24.8 26.4 19.0 14.8 2.2 3.0 0.0 DAY 6 13 1 7 11 21 13 26 29 28 28 29 MAXIMUM AIR TEMPERATURE (C) 13.8 17.3 20.3 29.2 36.7 42.8 44.6 44.3 41.7 34.8 25.6 16.8 30.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 13 31 30 31 31 30 31 4 0 201 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 18.6 24.4 25.0 35.0 42.4 45.2 48.2 47.8 45.0 39.8 31.8 26.8 48.2 DAY 10 24 29 26 30 29 17 17 2 4 1 2 DIF. BETWEEN (MAX.-MIN.) (C) 8.3 10.0 10.7 13.2 14.1 15.7 16.4 15.6 16.6 15.6 11.2 7.3 12.9 MEAN DAILY TEMP. (MDT) (C) 9.7 12.3 15.0 22.6 29.7 34.9 36.4 36.5 33.4 27.0 20.0 13.1 24.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 67.8 268.9 417.4 478.4 480.9 373.2 186.2 26.0 0.0 2298.8 HEATING DEG. DAYS(BASE 18 0C) 258.7 168.2 98.1 1.3 0.0 0.0 0.0 0.0 0.0 0.0 30.7 154.9 711.9 DEWPOINT (MEAN C) 4.8 4.6 6.6 8.8 8.4 7.2 10.6 13.1 9.1 7.1 8.9 9.2 8.2 MIXING RATIO (G/KG) 5.55 5.64 6.48 7.33 7.19 6.60 8.31 9.78 7.52 6.49 7.50 7.44 7.15 VAPOUR PRESSURE (HPA) 8.88 9.00 10.29 11.60 11.35 10.36 12.97 15.26 11.85 10.31 11.93 11.85 11.30 SATURATION DEF. (HPA) 3.77 6.41 8.40 19.53 36.75 55.66 57.41 54.19 48.27 30.14 13.75 3.91 28.18 RELATIVE HUMIDITY (MEAN %) 72 61 58 40 26 17 20 24 22 28 50 78 41 RELATIVE HUMIDITY (MAX. %) 89 82 78 61 43 28 33 36 33 38 66 91 57 RELATIVE HUMIDITY (MIN. %) 55 41 41 25 17 11 13 16 14 18 37 64 29 RELATIVE HUMIDITY (MEAN% 03UTC) 85 79 75 58 43 28 33 36 32 38 64 88 55 RELATIVE HUMIDITY (MEAN% 09UTC) 63 53 51 33 20 14 17 19 17 21 42 71 35 RELATIVE HUMIDITY (MEAN% 15UTC) 74 60 54 39 21 14 16 20 20 28 50 80 40 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 56.9 53.6 53.2 1.5 2.2 0.0 0.0 0.0 0.0 0.0 21.4 120.9 309.7 DAYS WITH PRECIPITATION >=10 2 2 2 0 0 0 0 0 0 0 1 4 11 DAYS WITH PRECIPITATION >= 5 4 2 4 0 0 0 0 0 0 0 1 8 19 DAYS WITH PRECIPITATION >= 1 7 3 6 1 1 0 0 0 0 0 6 8 32 DAYS WITH PRECIPITATION 9 9 8 5 3 0 0 0 0 0 8 12 54 GREATEST DAILY PRECIPITATION 22.0 36.0 23.0 1.1 2.0 0.0 0.0 0.0 0.0 0.0 11.0 43.0 43.0 DAY 21 25 18 25 9 ** ** ** ** ** 12 15 DAY WITH THUNDER STORM 1 4 2 1 1 1 0 0 0 0 3 5 18 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 2 7 0 1 10 9 15 4 0 6 1 0 55 WIND DIRECTION (PREVAILING) 315 315 315 270 270 270 270 270 270 270 315 315 270 PREVAILING WIND SPEED(KNOTS) 8.1 7.5 5.5 6.5 8.6 8.8 8.8 6.7 7.4 6.3 7.9 6.0 7.3 PREVAILING WIND PERCENT 9.7 17.2 13.5 14.7 14.2 26.5 24.2 23.2 18.0 15.5 9.3 15.5 14.4 CALMS PERCENT OF WIND 57.4 49.7 57.4 44.7 40.6 31.3 42.5 54.2 58.0 66.5 67.3 55.5 52.2 NO. OF WIND OBSERVATION 155 145 155 150 155 147 153 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 201 240 280 259 266 281 262 263 286 275 12 285 271 VECTOR WIND MAGNITUDE(KNOTS) 0.6 1.0 1.2 1.1 1.7 3.7 3.1 2.3 2.6 1.6 0.3 0.6 1.6 WIND STEADINESES (MEAN %) 20.7 23.8 50.0 29.7 34.0 63.8 72.1 79.3 81.2 76.2 12.0 25.0 47.1 WIND SPEED (MEAN KNOTS) 2.9 4.2 2.4 3.7 5.0 5.8 4.3 2.9 3.2 2.1 2.5 2.4 3.4 FASTEST WIND DIRECTION 150 160 190 150 180 300 300 300 300 290 140 130 160 FASTEST WIND SPEED (KNOTS) 23 31 16 16 23 21 17 14 14 16 23 14 31 DAY 30 24 30 24 9 11 12 12 20 12 25 14 DAYS WITH SKY CLEAR (0-2)/8 14 11 12 8 14 23 26 30 30 29 12 5 214 DAYS WITH P.CLOUDY (3-6)/8 9 12 13 17 10 4 5 1 0 2 8 14 95 DAYS WITH CLOUDY (7-8)/8 8 6 6 5 6 3 0 0 0 0 10 12 56 DAYS WITH VISIBILITY =< 2 KM 4 2 1 0 2 0 0 0 0 0 0 6 15 DURATION OF SUNSHINE HOURS 165.7 158.3 227.8 222.1 228.8 300.6 319.3 320.7 312.0 283.0 162.8 127.5 2828.6 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1004.8 1002.4 1000.9 996.4 993.5 987.6 984.3 986.6 992.2 997.7 1003.4 1003.8 996.1 MAX. QFE PRESSURE IN HPA 1014.6 1010.0 1008.3 1001.0 1000.3 993.4 990.0 990.0 998.2 1004.0 1011.0 1009.8 1014.6 DAY-HOUR 4- 6 12- 6 12- 6 20- 6 14- 6 6- 6 6- 6 16- 6 21- 6 30- 6 29- 6 28- 6 MIN. QFE PRESSURE IN HPA 990.0 992.8 989.0 989.4 987.2 981.0 980.0 981.2 986.0 992.0 998.7 997.2 980.0 DAY-HOUR 30-12 24- 9 30-15 17-12 8-15 27-12 19-12 18-15 4-15 6-12 22-12 21-15 MEAN QNH PRESSURE IN HPA 1022.6 1020.1 1018.6 1014.1 1011.1 1005.1 1001.7 1004.1 1009.8 1015.3 1021.1 1021.6 1013.8 MAX. QNH PRESSURE IN HPA 1032.5 1027.9 1026.1 1018.7 1018.0 1011.0 1007.6 1007.6 1015.9 1021.8 1028.9 1027.7 1032.5 DAY-HOUR 4- 6 12- 6 12- 6 20- 6 14- 6 6- 6 6- 6 16- 6 21- 6 30- 6 29- 6 28- 6 MIN. QNH PRESSURE IN HPA 1007.6 1010.4 1006.6 1007.0 1004.7 998.4 997.4 998.6 1003.5 1009.6 1016.4 1014.9 997.4 DAY-HOUR 30-12 24- 9 30-15 17-12 8-15 27-12 19-12 18-15 4-15 6-12 22-12 21-15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1005.0 1002.2 1000.9 996.7 993.6 987.8 984.7 987.1 992.4 997.6 1003.3 1003.6 996.2 MAX. QFE PRESSURE IN HPA 1012.5 1009.0 1006.5 1000.0 998.4 992.0 989.5 989.4 997.0 1002.4 1009.0 1008.2 1012.5 DAY 4 13 1 21 14 3 6 16 29 30 28 28 MIN. QFE PRESSURE IN HPA 999.0 994.5 989.4 992.0 989.2 982.0 980.2 983.2 987.7 992.5 1000.4 998.0 980.2 DAY 31 24 31 27 9 28 19 18 9 6 25 3 MEAN QNH PRESSURE IN HPA 1022.8 1020.0 1018.6 1014.3 1011.2 1005.4 1002.2 1004.6 1010.0 1015.3 1021.1 1021.4 1013.9 MAX. QNH PRESSURE IN HPA 1030.4 1026.8 1024.3 1017.7 1016.1 1009.6 1007.1 1007.0 1014.7 1020.2 1026.8 1026.0 1030.4 DAY 4 13 1 21 14 3 6 16 29 30 28 28 MIN. QNH PRESSURE IN HPA 1016.7 1012.1 1007.0 1009.6 1006.8 999.5 997.6 1000.7 1005.2 1010.1 1018.1 1015.7 997.6 DAY 31 24 31 27 9 28 19 18 9 6 25 3 MEAN QFF PRESSURE IN HPA 1023.4 1020.4 1018.8 1014.1 1010.6 1004.4 1001.0 1003.5 1009.2 1014.9 1021.2 1021.7 1013.6 MAX. QFF PRESSURE IN HPA 1031.3 1027.7 1025.1 1017.5 1015.6 1008.6 1006.0 1005.7 1014.1 1019.9 1027.6 1026.7 1031.3 DAY 4 13 1 21 14 3 6 16 29 30 28 28 MIN. QFF PRESSURE IN HPA 1017.1 1012.1 1006.8 1009.2 1006.1 998.4 996.5 999.5 1004.3 1009.5 1017.8 1015.5 996.5 DAY 31 24 31 27 9 28 19 18 9 6 25 3 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1006.0 1003.5 1002.3 997.7 994.6 988.5 985.3 987.8 993.5 999.0 1004.7 1005.0 997.3 MAX. QFE PRESSURE IN HPA 1014.6 1010.0 1008.3 1001.0 1000.3 993.4 990.0 990.0 998.2 1004.0 1011.0 1009.8 1014.6 DAY 4 12 12 20 14 6 6 16 21 30 29 28 MIN. QFE PRESSURE IN HPA 999.0 995.0 992.2 992.0 990.0 982.6 980.6 984.0 989.2 994.0 1001.0 999.3 980.6 DAY 30 24 31 24 9 28 19 18 9 6 22 3 MEAN QNH PRESSURE IN HPA 1023.9 1021.2 1020.0 1015.4 1012.2 1006.0 1002.8 1005.3 1011.1 1016.8 1022.5 1022.8 1015.0 MAX. QNH PRESSURE IN HPA 1032.5 1027.9 1026.1 1018.7 1018.0 1011.0 1007.6 1007.6 1015.9 1021.8 1028.9 1027.7 1032.5 DAY 4 12 12 20 14 6 6 16 21 30 29 28 MIN. QNH PRESSURE IN HPA 1016.7 1012.6 1009.8 1009.6 1007.6 1000.1 998.0 1001.5 1006.8 1011.6 1018.7 1017.0 998.0 DAY 30 24 31 24 9 28 19 18 9 6 22 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1005.2 1003.0 1001.6 997.2 994.2 988.2 984.8 987.2 992.7 998.2 1003.8 1004.2 996.7 MAX. QFE PRESSURE IN HPA 1014.2 1009.0 1007.4 1000.5 999.6 993.0 989.7 989.4 997.2 1003.4 1010.0 1009.3 1014.2 DAY 4 12 1 20 14 6 6 16 21 30 29 28 MIN. QFE PRESSURE IN HPA 993.5 992.8 990.0 991.5 990.0 982.1 980.4 983.0 988.4 993.8 1000.0 998.5 980.4 DAY 30 24 30 17 9 28 19 18 4 6 22 21 MEAN QNH PRESSURE IN HPA 1023.0 1020.8 1019.3 1014.9 1011.8 1005.7 1002.3 1004.7 1010.4 1015.8 1021.6 1021.9 1014.3 MAX. QNH PRESSURE IN HPA 1032.1 1026.8 1025.2 1018.2 1017.3 1010.6 1007.3 1007.0 1014.9 1021.2 1027.9 1027.2 1032.1 DAY 4 12 1 20 14 6 6 16 21 30 29 28 MIN. QNH PRESSURE IN HPA 1011.1 1010.4 1007.6 1009.1 1007.6 999.6 997.8 1000.5 1005.9 1011.4 1017.7 1016.2 997.8 DAY 30 24 30 17 9 28 19 18 4 6 22 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1003.7 1001.4 1000.0 995.4 992.8 987.0 983.6 985.7 991.2 996.7 1002.3 1003.0 995.2 MAX. QFE PRESSURE IN HPA 1012.5 1007.0 1005.7 999.0 998.0 992.0 988.6 988.0 996.0 1001.5 1008.4 1008.0 1012.5 DAY 5 12 12 20 14 5 6 7 26 30 29 28 MIN. QFE PRESSURE IN HPA 990.0 993.2 990.2 989.4 988.8 981.0 980.0 981.4 986.7 992.0 998.7 997.5 980.0 DAY 30 24 30 17 9 27 19 18 4 6 22 21 MEAN QNH PRESSURE IN HPA 1021.4 1019.2 1017.7 1013.1 1010.4 1004.5 1001.0 1003.2 1008.8 1014.3 1020.1 1020.7 1012.9 MAX. QNH PRESSURE IN HPA 1030.4 1024.8 1023.5 1016.7 1015.7 1009.6 1006.2 1005.5 1013.7 1019.2 1026.2 1025.8 1030.4 DAY 5 12 12 20 14 5 6 7 26 30 29 28 MIN. QNH PRESSURE IN HPA 1007.6 1010.8 1007.8 1007.0 1006.4 998.4 997.4 998.8 1004.2 1009.6 1016.4 1015.2 997.4 DAY 30 24 30 17 9 27 19 18 4 6 22 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1004.2 1001.8 1000.0 995.2 992.4 986.6 983.1 985.4 991.1 996.9 1002.7 1003.4 995.2 MAX. QFE PRESSURE IN HPA 1013.4 1008.0 1006.3 999.4 998.0 992.0 987.7 988.0 996.0 1001.8 1009.0 1009.0 1013.4 DAY 5 12 12 20 24 2 6 31 26 30 29 28 MIN. QFE PRESSURE IN HPA 991.3 994.5 989.0 989.6 987.2 981.0 980.0 981.2 986.0 992.0 999.2 997.2 980.0 DAY 30 24 30 17 8 27 19 18 4 6 22 21 MEAN QNH PRESSURE IN HPA 1022.0 1019.5 1017.7 1012.9 1010.0 1004.1 1000.6 1002.9 1008.6 1014.6 1020.4 1021.2 1012.9 MAX. QNH PRESSURE IN HPA 1031.3 1025.8 1024.1 1017.1 1015.7 1009.6 1005.2 1005.5 1013.7 1019.5 1026.8 1026.8 1031.3 DAY 5 12 12 20 24 2 6 31 26 30 29 28 MIN. QNH PRESSURE IN HPA 1008.9 1012.1 1006.6 1007.2 1004.7 998.4 997.4 998.6 1003.5 1009.6 1016.9 1014.9 997.4 DAY 30 24 30 17 8 27 19 18 4 6 22 21 MEAN QFF PRESSURE IN HPA 1022.6 1020.0 1017.9 1012.6 1009.4 1003.1 999.4 1001.8 1007.8 1014.1 1020.5 1021.6 1012.6 MAX. QFF PRESSURE IN HPA 1032.3 1026.7 1024.7 1016.9 1015.2 1008.7 1004.2 1004.6 1013.0 1019.2 1027.4 1027.6 1032.3 DAY 5 12 12 20 24 5 6 31 26 30 29 28 MIN. QFF PRESSURE IN HPA 1009.4 1012.1 1006.5 1007.0 1004.1 997.4 996.3 997.5 1002.5 1009.1 1016.8 1015.1 996.3 DAY 30 24 30 17 8 28 19 18 4 6 22 21 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.7 14.5 18.8 24.5 32.0 37.6 40.2 39.3 35.5 29.8 20.3 17.3 26.8 MINIMUN AIR TEMPERATURE (C) 7.4 9.3 12.6 17.2 22.7 26.1 30.0 29.2 25.7 21.4 13.8 10.6 18.8 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 23 30 31 31 30 19 3 0 168 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 1 0 0 0 0 0 0 0 0 0 0 1 TEMPERATURE RECORDS LOWEST(C) 1.4 0.0 5.2 12.0 16.2 22.4 26.0 26.2 21.0 18.8 5.0 6.8 0.0 DAY 18 18 13 13 1 5 9 13 29 31 30 6 MAXIMUM AIR TEMPERATURE (C) 15.1 18.5 23.0 30.0 36.9 43.5 46.3 45.3 42.2 35.6 25.6 22.4 32.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 14 30 30 31 31 30 31 3 0 201 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.8 25.0 30.8 38.0 43.4 46.8 49.6 48.0 46.6 40.8 31.0 26.4 49.6 DAY 29 28 31 19 26 28 16 10 1 1 3 7 DIF. BETWEEN (MAX.-MIN.) (C) 7.7 9.2 10.4 12.8 14.2 17.4 16.3 16.1 16.5 14.2 11.8 11.8 13.2 MEAN DAILY TEMP. (MDT) (C) 11.2 13.9 17.8 23.6 29.8 34.8 38.1 37.3 33.9 28.5 19.7 16.5 25.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 3.6 82.5 272.8 415.2 530.8 504.2 388.3 232.8 30.0 0.0 2460.2 HEATING DEG. DAYS(BASE 18 0C) 209.5 115.9 49.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 33.8 53.9 462.3 DEWPOINT (MEAN C) 7.3 8.7 9.6 12.9 10.3 9.7 12.4 10.8 10.4 7.3 7.8 6.6 9.5 MIXING RATIO (G/KG) 6.60 7.31 7.76 9.63 8.12 7.93 9.66 8.53 8.52 6.61 7.02 6.33 7.84 VAPOUR PRESSURE (HPA) 10.53 11.64 12.32 15.21 12.81 12.43 15.02 13.34 13.36 10.50 11.17 10.08 12.37 SATURATION DEF. (HPA) 3.60 5.40 10.29 16.85 36.90 55.25 62.55 60.11 47.01 33.01 13.92 10.31 29.60 RELATIVE HUMIDITY (MEAN %) 77 70 58 52 29 20 21 20 24 27 48 53 42 RELATIVE HUMIDITY (MAX. %) 91 87 79 73 48 34 33 31 39 40 68 73 58 RELATIVE HUMIDITY (MIN. %) 63 55 42 37 19 13 14 12 14 17 32 36 30 RELATIVE HUMIDITY (MEAN% 03UTC) 89 84 77 71 48 34 31 31 38 38 67 70 57 RELATIVE HUMIDITY (MEAN% 09UTC) 70 64 47 44 22 15 18 16 19 20 37 45 35 RELATIVE HUMIDITY (MEAN% 15UTC) 76 69 56 50 26 17 17 17 20 27 45 51 39 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 112.3 154.4 43.5 29.2 1.5 0.0 0.0 0.0 0.0 3.6 20.8 4.1 369.4 DAYS WITH PRECIPITATION >=10 3 4 2 1 0 0 0 0 0 0 0 0 10 DAYS WITH PRECIPITATION >= 5 5 7 3 1 0 0 0 0 0 0 2 0 18 DAYS WITH PRECIPITATION >= 1 8 8 5 7 1 0 0 0 0 1 4 1 35 DAYS WITH PRECIPITATION 9 9 14 9 3 0 0 0 0 4 7 4 59 GREATEST DAILY PRECIPITATION 49.0 88.6 15.0 14.0 1.0 0.0 0.0 0.0 0.0 3.0 8.0 3.3 88.6 DAY 31 3 9 27 6 ** ** ** ** 29 11 15 DAY WITH THUNDER STORM 0 2 3 2 0 0 0 0 0 0 3 0 10 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 0 3 1 9 3 1 0 1 0 0 1 20 WIND DIRECTION (PREVAILING) 270 270 315 315 315 315 270 315 180 315 315 315 315 PREVAILING WIND SPEED(KNOTS) 4.9 7.0 8.8 9.9 11.2 10.3 9.0 7.3 5.2 6.5 7.0 5.4 8.0 PREVAILING WIND PERCENT 15.5 14.3 12.3 10.7 27.7 24.0 19.4 27.7 19.3 27.1 24.0 21.9 19.6 CALMS PERCENT OF WIND 51.6 52.1 56.1 52.7 36.8 38.7 36.8 29.7 25.3 39.4 41.3 62.6 43.6 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 288 251 292 276 298 287 258 276 257 290 291 285 280 VECTOR WIND MAGNITUDE(KNOTS) 0.9 1.0 0.4 0.7 4.3 4.4 3.4 2.6 1.8 1.6 0.9 0.9 1.8 WIND STEADINESES (MEAN %) 39.1 27.8 10.8 18.9 67.2 81.5 65.4 56.5 40.9 44.4 20.0 45.0 43.9 WIND SPEED (MEAN KNOTS) 2.3 3.6 3.7 3.7 6.4 5.4 5.2 4.6 4.4 3.6 4.5 2.0 4.1 FASTEST WIND DIRECTION 150 140 150 160 160 300 330 290 40 330 180 180 160 FASTEST WIND SPEED (KNOTS) 14 19 17 23 27 25 17 16 14 14 23 16 27 DAY 8 2 8 26 2 11 8 11 21 16 12 8 DAYS WITH SKY CLEAR (0-2)/8 11 11 14 10 9 29 24 25 29 19 16 16 213 DAYS WITH P.CLOUDY (3-6)/8 11 11 7 12 13 1 7 6 1 10 10 12 101 DAYS WITH CLOUDY (7-8)/8 9 6 10 8 9 0 0 0 0 2 4 3 51 DAYS WITH VISIBILITY =< 2 KM 5 0 2 0 1 0 0 0 0 0 0 0 8 DURATION OF SUNSHINE HOURS 167.0 175.7 204.4 246.1 243.5 372.8 365.8 352.4 315.8 263.4 217.2 226.6 3150.7 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1004.9 1003.5 1000.6 998.6 994.8 988.5 984.3 987.0 990.7 999.5 1002.3 1001.6 996.4 MAX. QFE PRESSURE IN HPA 1012.4 1012.8 1005.7 1005.0 1001.0 993.7 989.5 991.1 996.8 1005.2 1008.2 1006.9 1012.8 DAY-HOUR 27- 6 7- 9 20-15 4- 6 14- 9 5- 6 25- 6 18- 6 30- 6 30- 6 29- 6 27- 6 MIN. QFE PRESSURE IN HPA 993.8 993.3 992.7 991.5 986.0 983.0 979.0 982.0 984.8 993.4 995.0 997.3 979.0 DAY-HOUR 8-12 3- 3 5-15 26-15 30-12 26-15 10-15 3-15 1-15 3-12 10-15 4-12 MEAN QNH PRESSURE IN HPA 1022.7 1021.2 1018.3 1016.3 1012.4 1006.1 1001.7 1004.5 1008.3 1017.2 1020.0 1019.3 1014.0 MAX. QNH PRESSURE IN HPA 1030.3 1030.7 1023.5 1022.8 1018.7 1011.3 1007.1 1008.7 1014.5 1023.0 1026.0 1024.7 1030.7 DAY-HOUR 27- 6 7- 9 20-15 4- 6 14- 9 5- 6 25- 6 18- 6 30- 6 30- 6 29- 6 27- 6 MIN. QNH PRESSURE IN HPA 1011.4 1010.9 1010.3 1009.1 1003.5 1000.5 996.4 999.5 1002.3 1011.0 1012.6 1015.0 996.4 DAY-HOUR 8-12 3- 3 5-15 26-15 30-12 26-15 10-15 3-15 1-15 3-12 10-15 4-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1004.7 1003.3 1000.6 998.6 994.9 988.9 984.6 987.5 991.1 999.7 1002.4 1001.5 996.5 MAX. QFE PRESSURE IN HPA 1011.7 1011.0 1004.2 1001.5 1000.3 993.0 988.5 991.0 995.0 1004.0 1006.8 1004.6 1011.7 DAY 27 7 23 2 15 5 21 8 30 17 29 18 MIN. QFE PRESSURE IN HPA 995.0 993.3 996.0 994.4 987.2 984.0 980.5 984.4 987.8 995.0 997.2 998.1 980.5 DAY 8 3 5 27 31 26 10 3 2 3 11 4 MEAN QNH PRESSURE IN HPA 1022.4 1021.1 1018.3 1016.3 1012.5 1006.5 1002.1 1005.1 1008.7 1017.4 1020.1 1019.2 1014.2 MAX. QNH PRESSURE IN HPA 1029.6 1028.9 1022.0 1019.2 1018.0 1010.6 1006.0 1008.6 1012.6 1021.8 1024.6 1022.4 1029.6 DAY 27 7 23 2 15 5 21 8 30 17 29 18 MIN. QNH PRESSURE IN HPA 1012.6 1010.9 1013.7 1012.0 1004.7 1001.5 997.9 1001.9 1005.3 1012.6 1014.9 1015.8 997.9 DAY 8 3 5 27 31 26 10 3 2 3 11 4 MEAN QFF PRESSURE IN HPA 1022.9 1021.4 1018.4 1016.1 1011.8 1005.5 1000.9 1003.9 1007.8 1016.9 1020.1 1019.4 1013.8 MAX. QFF PRESSURE IN HPA 1030.2 1029.5 1022.5 1019.0 1017.5 1009.9 1004.8 1007.5 1012.1 1021.3 1025.0 1022.7 1030.2 DAY 27 7 23 2 15 5 21 19 30 17 30 18 MIN. QFF PRESSURE IN HPA 1012.7 1010.9 1013.5 1011.7 1003.7 1000.4 996.8 1000.7 1004.2 1011.9 1014.4 1016.1 996.8 DAY 8 3 5 27 31 26 10 3 2 3 11 4 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1006.0 1004.6 1001.8 999.8 995.6 989.5 985.3 988.1 992.0 1001.0 1003.6 1002.8 997.5 MAX. QFE PRESSURE IN HPA 1012.4 1012.2 1005.2 1005.0 1001.0 993.7 989.5 991.1 996.8 1005.2 1008.2 1006.9 1012.4 DAY 27 7 23 4 15 5 25 18 30 30 29 27 MIN. QFE PRESSURE IN HPA 996.0 995.0 995.0 995.0 988.2 984.8 981.0 985.0 988.4 996.0 998.8 999.5 981.0 DAY 8 3 5 26 31 26 10 3 1 5 11 3 MEAN QNH PRESSURE IN HPA 1023.8 1022.4 1019.6 1017.5 1013.3 1007.1 1002.8 1005.6 1009.6 1018.7 1021.3 1020.5 1015.2 MAX. QNH PRESSURE IN HPA 1030.3 1030.1 1023.0 1022.8 1018.7 1011.3 1007.1 1008.7 1014.5 1023.0 1026.0 1024.7 1030.3 DAY 27 7 23 4 15 5 25 18 30 30 29 27 MIN. QNH PRESSURE IN HPA 1013.7 1012.6 1012.6 1012.6 1005.7 1002.3 998.4 1002.5 1005.9 1013.7 1016.5 1017.2 998.4 DAY 8 3 5 26 31 26 10 3 1 5 11 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1005.3 1004.1 1001.2 999.3 995.5 989.0 984.8 987.5 991.3 999.9 1002.7 1002.0 996.9 MAX. QFE PRESSURE IN HPA 1011.4 1012.8 1005.4 1003.4 1001.0 993.2 988.8 991.0 996.5 1004.0 1007.0 1005.6 1012.8 DAY 27 7 23 2 14 5 25 18 30 17 29 18 MIN. QFE PRESSURE IN HPA 994.2 996.5 995.8 994.3 988.0 984.4 980.3 984.0 987.4 994.9 997.5 998.1 980.3 DAY 8 3 3 26 30 26 10 3 1 3 10 4 MEAN QNH PRESSURE IN HPA 1023.1 1021.9 1019.0 1017.0 1013.2 1006.6 1002.3 1005.0 1008.9 1017.6 1020.4 1019.7 1014.6 MAX. QNH PRESSURE IN HPA 1029.3 1030.7 1023.2 1021.2 1018.7 1010.8 1006.4 1008.6 1014.2 1021.8 1024.8 1023.4 1030.7 DAY 27 7 23 2 14 5 25 18 30 17 29 18 MIN. QNH PRESSURE IN HPA 1011.8 1014.2 1013.5 1011.9 1005.5 1001.9 997.7 1001.5 1004.9 1012.5 1015.2 1015.8 997.7 DAY 8 3 3 26 30 26 10 3 1 3 10 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1004.0 1002.6 999.6 997.8 994.3 987.9 983.5 986.1 989.6 998.5 1001.3 1000.7 995.5 MAX. QFE PRESSURE IN HPA 1009.5 1012.0 1005.4 1001.0 999.6 992.0 987.3 990.7 995.4 1003.0 1006.5 1004.1 1012.0 DAY 26 7 20 3 14 5 25 18 30 17 29 18 MIN. QFE PRESSURE IN HPA 993.8 996.0 993.0 992.5 986.0 983.9 979.5 982.4 985.0 993.4 995.4 997.3 979.5 DAY 8 3 5 26 30 26 10 3 1 3 10 4 MEAN QNH PRESSURE IN HPA 1021.8 1020.3 1017.4 1015.4 1011.9 1005.4 1001.0 1003.6 1007.2 1016.2 1019.1 1018.4 1013.1 MAX. QNH PRESSURE IN HPA 1027.4 1029.9 1023.2 1018.7 1017.3 1009.6 1004.8 1008.3 1013.0 1020.8 1024.3 1021.9 1029.9 DAY 26 7 20 3 14 5 25 18 30 17 29 18 MIN. QNH PRESSURE IN HPA 1011.4 1013.7 1010.6 1010.1 1003.5 1001.4 996.9 999.9 1002.5 1011.0 1013.0 1015.0 996.9 DAY 8 3 5 26 30 26 10 3 1 3 10 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1004.4 1002.8 999.6 997.5 993.8 987.3 983.1 985.8 989.6 998.7 1001.6 1001.0 995.4 MAX. QFE PRESSURE IN HPA 1010.0 1012.2 1005.7 1000.6 999.9 991.4 986.8 990.7 995.2 1003.2 1007.0 1004.6 1012.2 DAY 26 7 20 4 14 4 25 18 30 30 29 18 MIN. QFE PRESSURE IN HPA 995.0 995.4 992.7 991.5 986.0 983.0 979.0 982.0 984.8 994.0 995.0 997.5 979.0 DAY 8 2 5 26 30 26 10 3 1 3 10 4 MEAN QNH PRESSURE IN HPA 1022.2 1020.5 1017.3 1015.2 1011.5 1004.9 1000.6 1003.3 1007.2 1016.4 1019.3 1018.7 1013.1 MAX. QNH PRESSURE IN HPA 1027.9 1030.1 1023.5 1018.3 1017.6 1009.0 1004.3 1008.3 1012.9 1021.0 1024.8 1022.4 1030.1 DAY 26 7 20 4 14 4 25 18 30 30 29 18 MIN. QNH PRESSURE IN HPA 1012.6 1013.0 1010.3 1009.1 1003.5 1000.5 996.4 999.5 1002.3 1011.6 1012.6 1015.2 996.4 DAY 8 2 5 26 30 26 10 3 1 3 10 4 MEAN QFF PRESSURE IN HPA 1022.7 1020.8 1017.4 1014.9 1010.8 1003.8 999.4 1002.2 1006.3 1015.9 1019.3 1018.9 1012.7 MAX. QFF PRESSURE IN HPA 1028.4 1030.7 1023.7 1018.2 1017.1 1008.3 1003.1 1007.3 1012.3 1020.5 1025.3 1022.7 1030.7 DAY 26 7 20 4 14 4 25 18 30 30 29 18 MIN. QFF PRESSURE IN HPA 1012.6 1013.1 1010.2 1008.7 1002.6 999.4 995.3 998.3 1001.2 1010.9 1012.4 1015.5 995.3 DAY 8 2 5 26 30 26 10 3 1 5 10 4 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 15.8 16.2 20.6 28.1 33.2 37.8 38.5 38.2 35.6 29.4 20.8 12.3 27.2 MINIMUN AIR TEMPERATURE (C) 10.9 9.1 13.8 19.5 23.9 27.0 29.0 28.1 26.7 21.8 15.7 7.3 19.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 11 26 30 31 31 30 23 1 0 183 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 5.6 3.8 9.4 14.0 17.6 22.4 23.4 23.4 24.4 18.0 9.8 1.0 1.0 DAY 28 4 17 3 7 29 1 25 30 23 27 7 MAXIMUM AIR TEMPERATURE (C) 20.2 21.2 25.5 33.8 38.6 43.8 44.6 44.8 41.2 34.6 25.0 16.3 32.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 26 31 30 31 31 30 30 4 0 214 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.2 28.0 32.6 40.8 46.8 47.6 47.0 47.8 44.0 38.0 34.0 21.4 47.8 DAY 2 28 31 29 30 9 25 18 13 9 1 19 DIF. BETWEEN (MAX.-MIN.) (C) 9.3 12.1 11.7 14.3 14.7 16.8 15.6 16.7 14.5 12.8 9.3 9.0 13.1 MEAN DAILY TEMP. (MDT) (C) 15.5 15.1 19.6 26.7 31.3 35.4 36.8 36.4 34.0 28.2 20.4 11.8 25.9 COOLING DEG. DAYS(BASE 21 0C) 2.7 1.8 14.2 170.7 317.8 431.3 489.5 478.9 388.8 223.7 35.7 0.0 2555.1 HEATING DEG. DAYS(BASE 18 0C) 92.0 85.5 10.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14.3 192.1 394.1 DEWPOINT (MEAN C) 8.0 2.7 7.1 9.3 7.9 7.5 11.0 9.7 7.7 10.0 12.6 6.5 8.3 MIXING RATIO (G/KG) 6.85 4.76 6.52 7.66 7.00 6.82 8.63 7.98 6.80 8.01 9.40 6.29 7.23 VAPOUR PRESSURE (HPA) 10.89 7.58 10.33 12.07 11.01 10.64 13.38 12.41 10.70 12.65 14.85 10.04 11.38 SATURATION DEF. (HPA) 7.74 11.59 14.75 27.87 42.62 57.75 57.04 57.06 49.18 29.53 10.58 4.68 30.87 RELATIVE HUMIDITY (MEAN %) 63 43 45 34 23 17 21 20 19 33 63 70 38 RELATIVE HUMIDITY (MAX. %) 78 62 65 53 37 29 33 31 30 47 79 87 53 RELATIVE HUMIDITY (MIN. %) 48 28 31 22 15 11 14 12 12 21 50 53 26 RELATIVE HUMIDITY (MEAN% 03UTC) 75 60 61 51 36 29 33 31 29 46 73 84 51 RELATIVE HUMIDITY (MEAN% 09UTC) 57 38 38 28 19 13 17 16 15 27 58 60 32 RELATIVE HUMIDITY (MEAN% 15UTC) 64 38 41 32 20 14 17 15 17 31 65 71 35 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 48.5 0.7 43.2 14.1 10.2 0.0 0.0 0.0 0.0 14.0 151.5 28.3 310.5 DAYS WITH PRECIPITATION >=10 3 0 1 0 0 0 0 0 0 1 5 0 10 DAYS WITH PRECIPITATION >= 5 4 0 2 1 1 0 0 0 0 1 10 3 22 DAYS WITH PRECIPITATION >= 1 4 0 5 3 3 0 0 0 0 2 11 6 34 DAYS WITH PRECIPITATION 9 2 7 4 4 0 0 0 0 3 12 9 50 GREATEST DAILY PRECIPITATION 17.0 0.6 24.0 6.6 7.0 0.0 0.0 0.0 0.0 11.0 38.0 7.5 38.0 DAY 16 1 12 17 5 ** ** ** ** 18 25 19 DAY WITH THUNDER STORM 3 0 2 1 2 0 0 0 0 2 11 1 22 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 2 3 5 6 8 9 8 5 2 1 0 49 WIND DIRECTION (PREVAILING) 180 315 180 315 315 315 315 315 315 315 135 315 315 PREVAILING WIND SPEED(KNOTS) 7.6 6.7 8.8 6.5 7.7 9.1 8.0 7.2 6.5 6.9 6.7 6.5 7.3 PREVAILING WIND PERCENT 12.3 22.1 14.8 19.3 29.7 34.7 32.9 21.9 20.7 16.1 16.7 14.8 20.5 CALMS PERCENT OF WIND 65.2 47.1 49.7 34.0 25.2 23.3 21.3 33.5 35.3 45.8 40.0 69.0 40.8 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 170 246 185 262 291 288 286 250 286 290 159 323 270 VECTOR WIND MAGNITUDE(KNOTS) 1.2 1.4 0.7 1.3 1.9 3.7 3.8 2.1 1.6 0.8 0.7 0.7 1.3 WIND STEADINESES (MEAN %) 54.5 35.9 19.4 34.2 37.3 61.7 66.7 47.7 42.1 23.5 18.4 35.0 32.5 WIND SPEED (MEAN KNOTS) 2.2 3.9 3.6 3.8 5.1 6.0 5.7 4.4 3.8 3.4 3.8 2.0 4.0 FASTEST WIND DIRECTION 230 180 150 230 180 300 310 330 340 330 170 160 180 FASTEST WIND SPEED (KNOTS) 23 29 21 19 16 27 16 16 16 19 16 14 29 DAY 23 28 7 30 16 12 8 25 20 22 7 3 DAYS WITH SKY CLEAR (0-2)/8 15 18 12 15 21 29 31 31 24 19 10 19 244 DAYS WITH P.CLOUDY (3-6)/8 11 10 17 13 8 1 0 0 6 9 11 7 93 DAYS WITH CLOUDY (7-8)/8 5 0 2 2 2 0 0 0 0 3 9 5 28 DAYS WITH VISIBILITY =< 2 KM 2 0 1 1 2 1 3 0 0 1 6 2 19 DURATION OF SUNSHINE HOURS 193.2 252.4 235.7 267.4 308.1 364.5 352.2 353.1 289.7 256.5 157.9 196.4 3227.1 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 999.9 998.6 996.9 993.2 990.1 982.0 978.9 980.9 989.1 995.7 998.7 1004.0 992.3 MAX. QFE PRESSURE IN HPA 1008.4 1004.5 1003.6 1000.6 997.6 986.5 981.2 986.4 998.3 1001.6 1005.6 1009.8 1009.8 DAY-HOUR 28- 9 4- 6 18- 6 16- 6 8- 6 18- 6 6- 6 15- 6 24- 6 19- 6 10- 6 7- 6 MIN. QFE PRESSURE IN HPA 987.7 990.0 987.0 985.6 982.8 978.4 975.9 976.6 980.2 990.4 991.0 989.4 975.9 DAY-HOUR 23-12 1- 3 11-15 26-15 31-15 27-15 30-15 10-15 1-15 5-15 25-15 3-12 MEAN QNH PRESSURE IN HPA 1017.6 1016.3 1014.6 1010.8 1007.7 999.4 996.3 998.4 1006.7 1013.4 1016.4 1021.8 1009.9 MAX. QNH PRESSURE IN HPA 1026.2 1022.3 1021.4 1018.3 1015.3 1004.0 998.6 1003.9 1016.0 1019.3 1023.4 1027.7 1027.7 DAY-HOUR 28- 9 4- 6 18- 6 16- 6 8- 6 18- 6 6- 6 15- 6 24- 6 19- 6 10- 6 7- 6 MIN. QNH PRESSURE IN HPA 1005.2 1007.6 1004.5 1003.1 1000.3 995.8 993.3 994.0 997.6 1008.0 1008.6 1007.0 993.3 DAY-HOUR 23-12 1- 3 11-15 26-15 31-15 27-15 30-15 10-15 1-15 5-15 25-15 3-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 999.8 998.5 997.0 993.6 990.4 982.2 979.2 981.1 989.3 995.6 998.7 1003.7 992.4 MAX. QFE PRESSURE IN HPA 1007.0 1004.0 1002.6 999.6 997.1 985.7 980.9 984.3 996.8 1000.3 1003.6 1009.2 1009.2 DAY 28 4 18 16 8 18 6 15 24 20 10 7 MIN. QFE PRESSURE IN HPA 992.4 990.0 989.1 989.2 985.1 979.1 977.0 977.8 981.1 992.0 993.1 994.4 977.0 DAY 16 1 12 26 31 28 22 10 1 6 17 3 MEAN QNH PRESSURE IN HPA 1017.5 1016.2 1014.7 1011.3 1008.0 999.6 996.6 998.6 1006.8 1013.3 1016.4 1021.5 1010.0 MAX. QNH PRESSURE IN HPA 1024.8 1021.8 1020.4 1017.3 1014.8 1003.2 998.3 1001.8 1014.5 1018.0 1021.4 1027.1 1027.1 DAY 28 4 18 16 8 18 6 15 24 20 10 7 MIN. QNH PRESSURE IN HPA 1010.0 1007.6 1006.7 1006.8 1002.6 996.5 994.4 995.2 998.5 1009.6 1010.7 1012.0 994.4 DAY 16 1 12 26 31 28 22 10 1 6 17 3 MEAN QFF PRESSURE IN HPA 1017.8 1016.4 1014.6 1010.8 1007.2 998.6 995.5 997.5 1005.9 1012.7 1016.3 1022.0 1009.6 MAX. QFF PRESSURE IN HPA 1025.4 1022.4 1020.5 1016.8 1014.3 1002.2 997.3 1000.7 1013.7 1017.6 1021.6 1027.9 1027.9 DAY 28 4 18 16 8 18 6 15 24 20 10 7 MIN. QFF PRESSURE IN HPA 1010.0 1007.3 1006.6 1006.0 1001.4 995.4 993.3 994.0 997.6 1009.0 1010.5 1012.1 993.3 DAY 16 1 12 26 31 28 22 10 1 6 17 3 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1001.0 999.7 998.3 994.5 991.4 983.0 979.9 982.0 990.4 997.1 1000.1 1005.1 993.5 MAX. QFE PRESSURE IN HPA 1008.1 1004.5 1003.6 1000.6 997.6 986.5 981.2 986.4 998.3 1001.6 1005.6 1009.8 1009.8 DAY 28 4 18 16 8 18 6 15 24 19 10 7 MIN. QFE PRESSURE IN HPA 992.6 993.4 989.6 989.4 985.9 980.2 978.0 978.2 981.8 993.0 994.8 995.4 978.0 DAY 16 12 12 26 31 28 12 10 1 3 17 3 MEAN QNH PRESSURE IN HPA 1018.8 1017.4 1016.0 1012.2 1009.0 1000.5 997.3 999.5 1008.0 1014.8 1017.8 1022.9 1011.2 MAX. QNH PRESSURE IN HPA 1025.9 1022.3 1021.4 1018.3 1015.3 1004.0 998.6 1003.9 1016.0 1019.3 1023.4 1027.7 1027.7 DAY 28 4 18 16 8 18 6 15 24 19 10 7 MIN. QNH PRESSURE IN HPA 1010.2 1011.0 1007.2 1007.0 1003.4 997.6 995.4 995.6 999.3 1010.6 1012.4 1013.0 995.4 DAY 16 12 12 26 31 28 12 10 1 3 17 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1000.5 999.4 997.8 994.0 991.0 982.7 979.5 981.6 989.9 996.4 999.2 1004.6 993.1 MAX. QFE PRESSURE IN HPA 1008.4 1003.6 1002.7 1000.3 996.6 986.2 981.2 985.6 997.4 1001.1 1005.6 1009.2 1009.2 DAY 28 18 18 17 8 5 6 15 24 19 10 6 MIN. QFE PRESSURE IN HPA 989.2 993.0 989.0 987.4 985.4 980.2 977.8 977.7 981.8 992.3 993.4 991.3 977.7 DAY 23 28 12 30 31 27 12 10 1 6 25 3 MEAN QNH PRESSURE IN HPA 1018.3 1017.1 1015.5 1011.7 1008.6 1000.1 997.0 999.0 1007.5 1014.0 1016.9 1022.4 1010.7 MAX. QNH PRESSURE IN HPA 1026.2 1021.4 1020.5 1018.0 1014.3 1003.7 998.6 1003.1 1015.1 1018.8 1023.4 1027.1 1027.1 DAY 28 18 18 17 8 5 6 15 24 19 10 6 MIN. QNH PRESSURE IN HPA 1006.8 1010.6 1006.6 1004.9 1002.9 997.6 995.2 995.1 999.3 1009.9 1011.0 1008.9 995.1 DAY 23 28 12 30 31 27 12 10 1 6 25 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 998.9 997.7 995.9 992.2 989.2 981.4 978.2 980.2 988.1 994.8 997.8 1003.2 991.5 MAX. QFE PRESSURE IN HPA 1006.3 1002.0 1001.0 998.6 994.3 984.8 980.2 983.7 995.4 999.1 1003.6 1008.2 1008.2 DAY 28 25 18 16 7 5 6 15 24 19 10 6 MIN. QFE PRESSURE IN HPA 987.7 991.0 988.2 985.7 983.7 979.0 976.6 976.9 980.4 990.6 991.6 989.4 976.6 DAY 23 11 11 30 31 27 12 10 1 5 25 3 MEAN QNH PRESSURE IN HPA 1016.6 1015.4 1013.6 1009.8 1006.8 998.8 995.6 997.6 1005.7 1012.4 1015.5 1021.0 1009.1 MAX. QNH PRESSURE IN HPA 1024.1 1019.7 1018.7 1016.3 1011.9 1002.3 997.6 1001.2 1013.0 1016.8 1021.4 1026.0 1026.0 DAY 28 25 18 16 7 5 6 15 24 19 10 6 MIN. QNH PRESSURE IN HPA 1005.2 1008.6 1005.7 1003.2 1001.2 996.4 994.0 994.3 997.8 1008.2 1009.2 1007.0 994.0 DAY 23 11 11 30 31 27 12 10 1 5 25 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 999.2 997.9 995.7 991.8 988.6 980.8 977.6 979.7 987.9 994.8 997.9 1003.4 991.3 MAX. QFE PRESSURE IN HPA 1006.0 1002.1 1000.6 997.9 994.0 983.8 979.6 983.0 995.0 999.8 1004.0 1008.2 1008.2 DAY 28 3 18 16 8 5 3 15 24 31 10 5 MIN. QFE PRESSURE IN HPA 989.6 990.8 987.0 985.6 982.8 978.4 975.9 976.6 980.2 990.4 991.0 990.7 975.9 DAY 23 11 11 26 31 27 30 10 1 5 25 3 MEAN QNH PRESSURE IN HPA 1016.9 1015.6 1013.4 1009.4 1006.2 998.2 995.0 997.1 1005.4 1012.5 1015.6 1021.2 1008.9 MAX. QNH PRESSURE IN HPA 1023.8 1019.8 1018.3 1015.6 1011.6 1001.3 997.0 1000.5 1012.6 1017.5 1021.8 1026.0 1026.0 DAY 28 3 18 16 8 5 3 15 24 31 10 5 MIN. QNH PRESSURE IN HPA 1007.2 1008.4 1004.5 1003.1 1000.3 995.8 993.3 994.0 997.6 1008.0 1008.6 1008.3 993.3 DAY 23 11 11 26 31 27 30 10 1 5 25 3 MEAN QFF PRESSURE IN HPA 1017.1 1015.8 1013.3 1008.9 1005.4 997.1 993.8 996.0 1004.5 1011.9 1015.5 1021.7 1008.4 MAX. QFF PRESSURE IN HPA 1024.3 1020.3 1018.4 1015.1 1011.1 1000.5 995.9 999.4 1011.9 1017.1 1022.0 1026.7 1026.7 DAY 28 3 18 16 8 5 3 15 24 31 10 5 MIN. QFF PRESSURE IN HPA 1007.4 1008.5 1004.3 1002.3 999.1 994.7 992.1 992.8 996.6 1007.3 1008.4 1008.3 992.1 DAY 23 11 11 26 31 27 30 10 1 5 25 3 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 14.0 15.8 19.8 25.4 34.2 38.2 38.8 39.9 35.0 29.2 21.4 14.0 27.1 MINIMUN AIR TEMPERATURE (C) 9.0 10.7 13.1 17.6 24.3 27.5 29.0 29.4 25.2 20.0 13.4 8.6 19.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 3 26 30 31 31 28 11 0 0 160 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 4.4 6.6 8.4 10.8 16.8 25.0 26.2 26.0 18.4 16.6 3.0 5.0 3.0 DAY 26 11 28 6 9 12 1 31 22 6 27 20 MAXIMUM AIR TEMPERATURE (C) 18.3 19.9 24.5 30.9 39.5 43.8 44.8 46.6 41.0 35.1 27.3 18.2 32.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 19 31 30 31 31 30 31 9 0 213 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.4 24.0 30.0 35.0 44.4 48.0 48.0 49.6 45.2 40.0 33.6 22.6 49.6 DAY 11 3 31 29 23 20 31 4 1 10 4 3 DIF. BETWEEN (MAX.-MIN.) (C) 9.3 9.2 11.4 13.3 15.2 16.3 15.8 17.2 15.8 15.1 13.9 9.6 13.5 MEAN DAILY TEMP. (MDT) (C) 13.6 15.3 18.8 24.2 31.9 35.6 36.9 38.0 33.1 27.6 20.4 13.4 25.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 4.5 100.3 338.3 438.3 493.1 526.9 364.2 203.3 47.8 0.0 2516.7 HEATING DEG. DAYS(BASE 18 0C) 135.2 75.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 37.6 143.1 400.9 DEWPOINT (MEAN C) 8.5 9.2 9.2 9.0 8.1 7.8 11.9 12.9 9.1 5.4 3.7 7.2 8.5 MIXING RATIO (G/KG) 7.09 7.49 7.57 7.56 7.20 7.01 9.57 10.15 7.57 5.81 5.43 6.50 7.41 VAPOUR PRESSURE (HPA) 11.29 11.88 11.98 11.93 11.32 10.95 14.80 15.71 11.86 9.20 8.62 10.36 11.66 SATURATION DEF. (HPA) 5.07 6.50 11.79 21.71 44.78 58.31 56.73 60.66 46.85 33.09 18.59 5.94 30.84 RELATIVE HUMIDITY (MEAN %) 72 67 54 40 22 18 23 22 22 24 34 67 39 RELATIVE HUMIDITY (MAX. %) 88 85 73 60 38 31 38 34 35 35 50 84 54 RELATIVE HUMIDITY (MIN. %) 57 50 39 24 14 11 14 15 15 16 21 50 27 RELATIVE HUMIDITY (MEAN% 03UTC) 85 82 71 57 37 31 38 32 33 34 48 81 52 RELATIVE HUMIDITY (MEAN% 09UTC) 65 62 47 33 18 14 18 18 17 18 27 60 33 RELATIVE HUMIDITY (MEAN% 15UTC) 73 65 52 35 18 13 17 20 21 23 34 66 36 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 24.3 52.2 22.4 34.9 0.5 0.0 0.0 0.0 0.0 0.0 2.0 77.6 213.9 DAYS WITH PRECIPITATION >=10 1 2 1 1 0 0 0 0 0 0 0 4 9 DAYS WITH PRECIPITATION >= 5 2 4 1 3 0 0 0 0 0 0 0 4 14 DAYS WITH PRECIPITATION >= 1 4 6 5 6 0 0 0 0 0 0 1 5 27 DAYS WITH PRECIPITATION 6 8 7 10 2 0 0 0 0 0 1 7 41 GREATEST DAILY PRECIPITATION 10.0 18.0 11.0 14.0 0.3 0.0 0.0 0.0 0.0 0.0 2.0 24.0 24.0 DAY 12 23 20 12 26 ** ** ** ** ** 24 12 DAY WITH THUNDER STORM 0 1 1 4 0 1 0 0 0 0 0 1 8 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 0 1 3 2 1 0 1 0 1 0 9 WIND DIRECTION (PREVAILING) 315 315 315 180 315 315 315 315 315 315 315 315 315 PREVAILING WIND SPEED(KNOTS) 5.8 5.7 7.8 6.6 8.2 9.0 7.3 6.9 7.0 7.0 6.5 5.2 7.0 PREVAILING WIND PERCENT 19.4 16.4 22.6 20.7 21.3 32.7 25.8 18.1 27.3 19.4 23.3 18.1 21.4 CALMS PERCENT OF WIND 43.2 44.3 43.2 30.0 21.3 23.3 21.3 23.9 41.3 47.7 48.7 66.5 37.9 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 243 216 300 190 270 288 253 251 287 265 291 301 269 VECTOR WIND MAGNITUDE(KNOTS) 0.5 0.8 1.4 1.0 1.7 3.5 2.4 2.5 1.7 1.3 1.0 1.0 1.4 WIND STEADINESES (MEAN %) 14.3 25.0 37.8 22.7 30.9 58.3 45.3 54.3 48.6 43.3 37.0 62.5 35.9 WIND SPEED (MEAN KNOTS) 3.5 3.2 3.7 4.4 5.5 6.0 5.3 4.6 3.5 3.0 2.7 1.6 3.9 FASTEST WIND DIRECTION 170 160 310 180 330 240 300 230 330 320 330 310 330 FASTEST WIND SPEED (KNOTS) 16 19 14 19 23 23 16 16 16 16 12 14 23 DAY 11 15 4 3 4 2 11 5 3 5 11 28 DAYS WITH SKY CLEAR (0-2)/8 18 12 14 12 17 29 30 31 29 29 21 13 255 DAYS WITH P.CLOUDY (3-6)/8 8 12 10 12 12 1 1 0 1 2 8 11 78 DAYS WITH CLOUDY (7-8)/8 5 4 7 6 2 0 0 0 0 0 1 7 32 DAYS WITH VISIBILITY =< 2 KM 6 1 0 0 0 0 0 0 0 0 0 5 12 DURATION OF SUNSHINE HOURS 209.0 204.3 240.0 ****** ****** ****** 343.5 356.1 320.7 309.3 239.5 179.2 ****** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1002.6 998.8 997.4 994.0 990.1 984.0 978.7 981.3 988.2 994.5 999.0 1002.3 992.6 MAX. QFE PRESSURE IN HPA 1006.3 1004.6 1003.5 1001.0 995.8 990.8 982.7 986.8 993.4 1001.8 1005.9 1007.7 1007.7 DAY-HOUR 19- 6 10- 6 3- 6 12- 9 2- 6 1- 9 25- 6 12- 6 13- 6 25- 6 30- 6 19- 6 MIN. QFE PRESSURE IN HPA 996.5 991.8 991.2 988.6 984.1 979.0 972.8 973.9 981.5 989.6 992.0 995.2 972.8 DAY-HOUR 11-12 23- 3 14-15 22-15 23-15 18-15 20-15 3-15 1-15 12-12 6-12 12- 3 MEAN QNH PRESSURE IN HPA 1020.4 1016.5 1015.0 1011.6 1007.7 1001.5 996.1 998.8 1005.7 1012.2 1016.7 1020.0 1010.2 MAX. QNH PRESSURE IN HPA 1024.1 1022.4 1021.3 1018.7 1013.5 1008.4 1000.2 1004.3 1011.0 1019.5 1023.7 1025.5 1025.5 DAY-HOUR 19- 6 10- 6 3- 6 12- 9 2- 6 1- 9 25- 6 12- 6 13- 6 25- 6 30- 6 19- 6 MIN. QNH PRESSURE IN HPA 1014.2 1009.4 1008.8 1006.2 1001.6 996.4 990.1 991.2 998.9 1007.2 1009.6 1012.9 990.1 DAY-HOUR 11-12 23- 3 14-15 22-15 23-15 18-15 20-15 3-15 1-15 12-12 6-12 12- 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1002.4 998.6 997.4 994.0 990.6 984.3 979.2 981.6 988.2 994.5 998.9 1002.1 992.7 MAX. QFE PRESSURE IN HPA 1005.3 1002.8 1002.3 998.8 995.0 989.2 982.0 986.1 991.9 1000.4 1003.5 1006.2 1006.2 DAY 20 11 3 6 3 3 25 12 13 25 30 19 MIN. QFE PRESSURE IN HPA 998.3 991.8 993.0 989.1 986.0 980.0 974.6 977.2 982.6 990.2 993.3 995.2 974.6 DAY 12 23 17 19 23 20 21 4 1 22 7 12 MEAN QNH PRESSURE IN HPA 1020.1 1016.3 1015.0 1011.6 1008.2 1001.8 996.7 999.0 1005.8 1012.2 1016.6 1019.9 1010.3 MAX. QNH PRESSURE IN HPA 1023.1 1020.6 1020.1 1016.5 1012.6 1006.8 999.5 1003.6 1009.5 1018.1 1021.3 1024.0 1024.0 DAY 20 11 3 6 3 3 25 12 13 25 30 19 MIN. QNH PRESSURE IN HPA 1016.0 1009.4 1010.6 1006.7 1003.5 997.4 991.9 994.6 1000.1 1007.8 1010.9 1012.9 991.9 DAY 12 23 17 19 23 20 21 4 1 22 7 12 MEAN QFF PRESSURE IN HPA 1020.5 1016.5 1015.0 1011.3 1007.3 1000.8 995.5 997.8 1004.9 1011.7 1016.6 1020.2 1009.8 MAX. QFF PRESSURE IN HPA 1023.6 1021.0 1020.2 1016.6 1012.0 1005.8 998.2 1002.4 1008.9 1017.7 1021.6 1024.5 1024.5 DAY 20 11 3 6 8 3 25 12 22 25 27 19 MIN. QFF PRESSURE IN HPA 1015.9 1009.5 1010.5 1006.0 1002.5 996.3 990.7 993.2 999.1 1007.1 1010.7 1013.1 990.7 DAY 12 23 17 19 23 20 21 4 1 12 7 12 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1003.8 999.9 998.6 995.0 991.4 985.0 979.8 982.5 989.3 996.0 1000.4 1003.4 993.8 MAX. QFE PRESSURE IN HPA 1006.3 1004.6 1003.5 999.6 995.8 990.6 982.7 986.8 993.4 1001.8 1005.9 1007.7 1007.7 DAY 19 10 3 6 2 1 25 12 13 25 30 19 MIN. QFE PRESSURE IN HPA 998.9 992.6 993.6 990.4 987.1 980.9 975.0 978.4 983.5 991.4 994.9 998.0 975.0 DAY 11 23 14 19 23 20 21 3 1 12 6 12 MEAN QNH PRESSURE IN HPA 1021.6 1017.6 1016.3 1012.7 1009.0 1002.5 997.2 1000.0 1006.9 1013.6 1018.1 1021.2 1011.4 MAX. QNH PRESSURE IN HPA 1024.1 1022.4 1021.3 1017.3 1013.5 1008.2 1000.2 1004.3 1011.0 1019.5 1023.7 1025.5 1025.5 DAY 19 10 3 6 2 1 25 12 13 25 30 19 MIN. QNH PRESSURE IN HPA 1016.6 1010.2 1011.2 1008.0 1004.6 998.3 992.4 995.8 1001.0 1009.0 1012.5 1015.7 992.4 DAY 11 23 14 19 23 20 21 3 1 12 6 12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1003.1 999.5 998.1 994.7 990.8 984.6 979.3 982.0 988.9 995.1 999.4 1002.8 993.2 MAX. QFE PRESSURE IN HPA 1006.1 1004.2 1003.5 1001.0 994.5 990.8 982.2 986.1 992.8 1000.8 1005.5 1007.0 1007.0 DAY 19 10 3 12 7 1 25 12 13 24 30 19 MIN. QFE PRESSURE IN HPA 998.0 993.3 993.1 990.6 986.6 980.3 974.0 977.3 983.2 991.0 993.6 996.5 974.0 DAY 11 23 14 22 23 18 21 3 1 12 6 11 MEAN QNH PRESSURE IN HPA 1020.9 1017.2 1015.8 1012.3 1008.4 1002.1 996.7 999.5 1006.4 1012.7 1017.2 1020.5 1010.8 MAX. QNH PRESSURE IN HPA 1023.9 1022.0 1021.3 1018.7 1012.1 1008.4 999.7 1003.6 1010.4 1018.5 1023.3 1024.8 1024.8 DAY 19 10 3 12 7 1 25 12 13 24 30 19 MIN. QNH PRESSURE IN HPA 1015.7 1010.9 1010.7 1008.2 1004.1 997.7 991.3 994.7 1000.7 1008.6 1011.2 1014.2 991.3 DAY 11 23 14 22 23 18 21 3 1 12 6 11 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1001.8 997.9 996.5 993.3 989.2 983.4 978.0 980.5 987.4 993.6 998.1 1001.4 991.8 MAX. QFE PRESSURE IN HPA 1004.9 1002.7 1001.6 1000.2 993.0 989.8 980.6 984.2 991.0 999.0 1003.7 1005.7 1005.7 DAY 19 10 3 12 7 2 4 12 13 24 30 19 MIN. QFE PRESSURE IN HPA 996.5 992.2 991.6 989.2 985.1 979.5 973.0 974.4 981.6 989.6 992.0 996.6 973.0 DAY 11 23 14 22 23 18 20 3 1 12 6 5 MEAN QNH PRESSURE IN HPA 1019.5 1015.6 1014.2 1010.9 1006.8 1000.9 995.4 998.0 1004.9 1011.2 1015.7 1019.2 1009.4 MAX. QNH PRESSURE IN HPA 1022.7 1020.5 1019.3 1017.9 1010.6 1007.4 998.0 1001.7 1008.6 1016.7 1021.5 1023.5 1023.5 DAY 19 10 3 12 7 2 4 12 13 24 30 19 MIN. QNH PRESSURE IN HPA 1014.2 1009.8 1009.2 1006.8 1002.6 996.9 990.3 991.7 999.0 1007.2 1009.6 1014.3 990.3 DAY 11 23 14 22 23 18 20 3 1 12 6 5 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1001.9 998.1 996.3 993.0 988.6 982.8 977.3 980.0 987.1 993.6 998.2 1001.8 991.6 MAX. QFE PRESSURE IN HPA 1005.3 1002.9 1001.1 999.6 993.3 988.6 980.0 984.0 991.1 999.6 1003.6 1006.0 1006.0 DAY 19 10 2 12 7 2 4 18 21 24 30 19 MIN. QFE PRESSURE IN HPA 996.7 992.8 991.2 988.6 984.1 979.0 972.8 973.9 981.5 989.6 992.6 996.0 972.8 DAY 11 23 14 22 23 18 20 3 1 12 6 11 MEAN QNH PRESSURE IN HPA 1019.7 1015.8 1014.0 1010.6 1006.1 1000.2 994.7 997.5 1004.7 1011.2 1015.9 1019.6 1009.2 MAX. QNH PRESSURE IN HPA 1023.1 1020.7 1018.8 1017.3 1010.9 1006.2 997.4 1001.5 1008.7 1017.3 1021.4 1023.8 1023.8 DAY 19 10 2 12 7 2 4 18 21 24 30 19 MIN. QNH PRESSURE IN HPA 1014.4 1010.4 1008.8 1006.2 1001.6 996.4 990.1 991.2 998.9 1007.2 1010.2 1013.7 990.1 DAY 11 23 14 22 23 18 20 3 1 12 6 11 MEAN QFF PRESSURE IN HPA 1020.0 1016.0 1013.9 1010.2 1005.3 999.2 993.6 996.3 1003.8 1010.7 1015.9 1019.9 1008.7 MAX. QFF PRESSURE IN HPA 1023.4 1021.1 1018.9 1017.2 1010.3 1005.1 996.2 1000.4 1008.0 1016.9 1021.7 1024.3 1024.3 DAY 19 10 3 12 7 2 4 24 21 24 30 19 MIN. QFF PRESSURE IN HPA 1014.4 1010.6 1008.8 1005.6 1000.5 995.3 988.9 989.9 998.0 1006.4 1010.1 1013.9 988.9 DAY 11 23 14 22 23 18 21 3 1 12 6 11 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.9 16.9 18.9 25.7 35.5 38.4 42.1 40.5 36.1 29.2 22.1 18.2 28.1 MINIMUN AIR TEMPERATURE (C) 9.7 11.7 13.0 17.4 25.9 27.3 32.6 31.1 26.7 20.8 15.2 12.5 20.3 DAYS WITH MINIMUM TEMP. >=21 0 0 0 3 29 30 31 31 30 15 0 0 169 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 4.0 4.4 9.2 13.0 20.4 22.4 29.2 27.0 21.2 13.6 11.2 4.6 4.0 DAY 15 6 5 6 2 7 9 25 21 31 12 17 MAXIMUM AIR TEMPERATURE (C) 17.7 20.8 23.0 31.0 40.8 44.6 47.6 46.6 42.4 35.1 27.4 23.0 33.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 18 31 30 31 31 30 30 6 0 207 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.8 27.2 28.0 38.8 45.2 47.4 49.8 49.8 46.2 43.0 32.4 26.8 49.8 DAY 31 10 31 23 31 17 19 1 1 1 3 20 DIF. BETWEEN (MAX.-MIN.) (C) 8.0 9.1 10.0 13.6 14.9 17.3 15.0 15.5 15.7 14.3 12.2 10.5 13.0 MEAN DAILY TEMP. (MDT) (C) 13.7 16.3 18.0 24.2 33.3 36.0 40.1 38.8 34.5 27.9 21.3 17.8 26.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 2.7 100.3 382.6 449.2 592.8 552.7 406.3 215.8 32.6 0.1 2735.1 HEATING DEG. DAYS(BASE 18 0C) 134.3 57.5 28.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 32.4 252.5 DEWPOINT (MEAN C) 8.6 10.6 10.7 10.9 11.6 7.4 11.0 12.5 9.6 6.9 7.3 8.7 9.6 MIXING RATIO (G/KG) 7.16 8.22 8.38 8.54 8.86 6.81 8.67 9.74 8.01 6.43 6.73 7.18 7.89 VAPOUR PRESSURE (HPA) 11.37 12.99 13.20 13.44 13.88 10.63 13.47 15.13 12.52 10.18 10.69 11.42 12.41 SATURATION DEF. (HPA) 5.01 6.74 9.20 21.33 45.83 59.96 71.56 63.11 49.91 32.15 16.91 10.05 32.65 RELATIVE HUMIDITY (MEAN %) 72 69 61 43 26 17 17 22 22 27 43 57 40 RELATIVE HUMIDITY (MAX. %) 87 85 77 65 39 31 27 36 36 39 60 73 55 RELATIVE HUMIDITY (MIN. %) 58 54 47 29 18 10 12 13 14 17 30 42 29 RELATIVE HUMIDITY (MEAN% 03UTC) 84 83 76 64 39 30 26 36 34 38 58 72 53 RELATIVE HUMIDITY (MEAN% 09UTC) 65 61 53 33 21 12 14 16 17 20 36 49 33 RELATIVE HUMIDITY (MEAN% 15UTC) 75 69 60 40 23 13 15 16 19 26 40 59 38 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 205.5 94.4 89.8 70.3 2.0 0.0 0.2 0.0 0.0 1.4 5.8 19.0 488.4 DAYS WITH PRECIPITATION >=10 6 2 4 2 0 0 0 0 0 0 0 0 14 DAYS WITH PRECIPITATION >= 5 8 4 6 2 0 0 0 0 0 0 0 1 21 DAYS WITH PRECIPITATION >= 1 11 7 7 5 1 0 0 0 0 1 2 4 38 DAYS WITH PRECIPITATION 14 12 10 6 1 0 1 0 0 2 4 4 54 GREATEST DAILY PRECIPITATION 96.0 51.0 25.0 39.0 2.0 0.0 0.2 0.0 0.0 1.0 3.0 9.0 96.0 DAY 5 5 22 15 12 ** 16 ** ** 11 28 23 DAY WITH THUNDER STORM 2 3 3 0 0 0 0 0 0 2 0 2 12 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 2 3 0 3 0 0 2 6 0 0 0 16 WIND DIRECTION (PREVAILING) 180 180 315 270 270 270 270 270 270 270 315 135 270 PREVAILING WIND SPEED(KNOTS) 7.7 8.3 6.6 5.0 9.0 9.9 10.1 7.5 7.5 7.6 7.1 5.1 8.0 PREVAILING WIND PERCENT 9.7 15.9 20.6 14.7 32.3 30.0 23.9 23.4 24.7 21.3 15.3 9.0 17.6 CALMS PERCENT OF WIND 60.0 30.3 26.5 31.3 25.8 22.7 20.0 24.7 21.3 36.1 48.0 51.6 33.2 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 154 150 155 150 155 1829 VECTOR WIND DIRECTION (MEAN) 179 190 185 204 280 266 261 237 264 257 270 216 255 VECTOR WIND MAGNITUDE(KNOTS) 0.5 0.9 1.2 0.6 4.4 4.6 2.8 3.4 3.3 2.3 1.5 0.5 1.9 WIND STEADINESES (MEAN %) 20.0 19.6 21.8 14.3 69.8 64.8 40.6 58.6 58.9 48.9 45.5 17.2 38.8 WIND SPEED (MEAN KNOTS) 2.5 4.6 5.5 4.2 6.3 7.1 6.9 5.8 5.6 4.7 3.3 2.9 4.9 FASTEST WIND DIRECTION 70 170 170 140 300 280 310 330 280 310 160 160 170 FASTEST WIND SPEED (KNOTS) 19 29 29 21 19 17 19 19 17 16 14 16 29 DAY 5 10 12 21 6 21 11 6 27 16 14 22 DAYS WITH SKY CLEAR (0-2)/8 9 8 9 15 20 29 21 27 30 28 16 17 229 DAYS WITH P.CLOUDY (3-6)/8 15 15 15 12 9 1 10 4 0 3 12 11 107 DAYS WITH CLOUDY (7-8)/8 7 6 7 3 2 0 0 0 0 0 2 3 30 DAYS WITH VISIBILITY =< 2 KM 4 2 0 0 0 0 0 0 2 0 0 2 10 DURATION OF SUNSHINE HOURS 154.0 170.4 227.9 268.6 312.6 376.3 355.4 350.6 304.5 304.2 225.2 222.8 3272.5 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1000.0 997.1 994.6 993.8 989.1 983.5 980.4 982.1 986.7 994.8 999.4 1001.9 992.0 MAX. QFE PRESSURE IN HPA 1006.8 1003.0 1002.6 998.9 995.0 989.6 987.8 988.1 995.9 999.6 1006.6 1006.1 1006.8 DAY-HOUR 25- 6 6- 6 29- 6 8- 6 6- 6 7- 6 3- 6 27- 6 25- 6 31- 6 16- 6 8- 6 MIN. QFE PRESSURE IN HPA 985.8 989.5 986.9 987.3 983.0 977.2 975.8 975.7 981.7 987.2 993.9 997.0 975.7 DAY-HOUR 12- 3 10-12 12-12 12-15 28-15 17-15 6-15 3-15 15-15 4-12 6-12 22-12 MEAN QNH PRESSURE IN HPA 1017.8 1014.8 1012.3 1011.4 1006.6 1001.0 997.8 999.6 1004.2 1012.4 1017.1 1019.6 1009.5 MAX. QNH PRESSURE IN HPA 1024.6 1020.8 1020.4 1016.6 1012.6 1007.2 1005.3 1005.6 1013.6 1017.3 1024.4 1023.9 1024.6 DAY-HOUR 25- 6 6- 6 29- 6 8- 6 6- 6 7- 6 3- 6 27- 6 25- 6 31- 6 16- 6 8- 6 MIN. QNH PRESSURE IN HPA 1003.3 1007.1 1004.4 1004.8 1000.5 994.6 993.2 993.1 999.2 1004.7 1011.5 1014.7 993.1 DAY-HOUR 12- 3 10-12 12-12 12-15 28-15 17-15 6-15 3-15 15-15 4-12 6-12 22-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 999.6 997.1 994.7 993.9 989.2 983.9 980.9 982.5 986.8 994.7 999.3 1001.7 992.0 MAX. QFE PRESSURE IN HPA 1005.2 1001.2 1001.3 997.6 993.0 988.5 986.6 986.7 993.8 999.1 1005.6 1004.4 1005.6 DAY 26 7 29 8 17 7 3 27 25 31 16 28 MIN. QFE PRESSURE IN HPA 985.8 992.0 989.4 990.2 984.3 979.0 977.4 978.2 983.4 987.8 995.3 999.5 977.4 DAY 12 16 7 18 29 17 15 14 15 4 6 14 MEAN QNH PRESSURE IN HPA 1017.3 1014.8 1012.3 1011.6 1006.7 1001.4 998.4 1000.0 1004.4 1012.3 1017.0 1019.4 1009.6 MAX. QNH PRESSURE IN HPA 1023.0 1018.9 1019.0 1015.3 1010.6 1006.0 1004.1 1004.2 1011.4 1016.8 1023.4 1022.2 1023.4 DAY 26 7 29 8 17 7 3 27 25 31 16 28 MIN. QNH PRESSURE IN HPA 1003.3 1009.6 1007.0 1007.8 1001.8 996.4 994.8 995.6 1000.9 1005.3 1013.0 1017.2 994.8 DAY 12 16 7 18 29 17 15 14 15 4 6 14 MEAN QFF PRESSURE IN HPA 1017.5 1014.9 1012.3 1011.2 1005.8 1000.3 997.1 998.7 1003.4 1011.8 1016.9 1019.5 1009.1 MAX. QFF PRESSURE IN HPA 1023.5 1019.5 1019.2 1015.0 1009.7 1005.3 1002.8 1003.0 1010.7 1016.6 1023.1 1022.3 1023.5 DAY 26 7 29 8 17 7 3 27 25 31 16 28 MIN. QFF PRESSURE IN HPA 1003.5 1009.7 1006.9 1007.4 1000.6 995.2 993.4 994.3 999.9 1004.5 1012.7 1017.1 993.4 DAY 12 16 7 18 29 17 15 14 15 4 6 14 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1001.2 998.4 995.8 995.0 990.2 984.6 981.7 983.4 987.9 996.1 1000.6 1003.3 993.2 MAX. QFE PRESSURE IN HPA 1006.8 1003.0 1002.6 998.9 995.0 989.6 987.8 988.1 995.9 999.6 1006.6 1006.1 1006.8 DAY 25 6 29 8 6 7 3 27 25 31 16 8 MIN. QFE PRESSURE IN HPA 987.0 993.3 989.0 992.0 985.0 980.0 978.4 979.1 983.8 989.3 996.6 1000.6 978.4 DAY 12 16 7 18 29 17 6 14 15 4 6 14 MEAN QNH PRESSURE IN HPA 1018.9 1016.1 1013.4 1012.6 1007.8 1002.1 999.1 1000.9 1005.4 1013.7 1018.3 1021.0 1010.8 MAX. QNH PRESSURE IN HPA 1024.6 1020.8 1020.4 1016.6 1012.6 1007.2 1005.3 1005.6 1013.6 1017.3 1024.4 1023.9 1024.6 DAY 25 6 29 8 6 7 3 27 25 31 16 8 MIN. QNH PRESSURE IN HPA 1004.5 1010.9 1006.6 1009.6 1002.5 997.4 995.8 996.5 1001.3 1006.9 1014.3 1018.3 995.8 DAY 12 16 7 18 29 17 6 14 15 4 6 14 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1000.8 997.9 995.3 994.6 989.8 984.2 981.1 982.9 987.4 995.4 999.9 1002.5 992.7 MAX. QFE PRESSURE IN HPA 1006.6 1002.6 1002.1 998.3 993.3 989.0 987.6 987.1 994.9 998.8 1005.4 1005.5 1006.6 DAY 25 6 28 8 17 7 3 27 25 18 16 4 MIN. QFE PRESSURE IN HPA 987.4 992.3 988.6 991.3 985.4 980.0 978.0 978.4 983.1 988.5 995.6 999.9 978.0 DAY 12 10 7 12 29 17 25 3 15 4 6 14 MEAN QNH PRESSURE IN HPA 1018.5 1015.6 1013.0 1012.3 1007.4 1001.7 998.6 1000.4 1004.9 1013.0 1017.6 1020.3 1010.3 MAX. QNH PRESSURE IN HPA 1024.4 1020.4 1019.8 1016.0 1010.9 1006.6 1005.1 1004.6 1012.5 1016.5 1023.2 1023.3 1024.4 DAY 25 6 28 8 17 7 3 27 25 18 16 4 MIN. QNH PRESSURE IN HPA 1004.9 1009.9 1006.2 1008.9 1002.9 997.4 995.4 995.8 1000.6 1006.0 1013.3 1017.6 995.4 DAY 12 10 7 12 29 17 25 3 15 4 6 14 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 999.2 996.2 993.8 993.1 988.4 982.8 979.5 981.2 985.8 993.8 998.6 1000.9 991.1 MAX. QFE PRESSURE IN HPA 1005.2 1001.3 1001.1 997.4 991.4 988.3 985.7 985.8 993.3 997.6 1004.2 1003.6 1005.2 DAY 25 6 28 7 17 7 3 28 25 17 15 4 MIN. QFE PRESSURE IN HPA 988.1 989.5 986.9 987.6 984.0 978.6 976.4 976.4 981.9 987.2 993.9 997.0 976.4 DAY 12 10 12 12 28 17 25 3 15 4 6 22 MEAN QNH PRESSURE IN HPA 1016.9 1013.9 1011.4 1010.7 1005.9 1000.3 996.9 998.6 1003.3 1011.5 1016.3 1018.6 1008.7 MAX. QNH PRESSURE IN HPA 1023.0 1019.0 1018.8 1015.1 1009.0 1005.8 1003.2 1003.3 1010.9 1015.3 1022.0 1021.4 1023.0 DAY 25 6 28 7 17 7 3 28 25 17 15 4 MIN. QNH PRESSURE IN HPA 1005.6 1007.1 1004.4 1005.1 1001.5 996.0 993.8 993.8 999.4 1004.7 1011.5 1014.7 993.8 DAY 12 10 12 12 28 17 25 3 15 4 6 22 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 999.5 996.1 993.6 992.5 987.7 982.0 978.7 980.6 985.6 993.9 998.8 1001.2 990.9 MAX. QFE PRESSURE IN HPA 1005.5 1000.3 1000.5 997.1 991.0 986.7 984.6 985.2 993.3 997.8 1004.4 1003.5 1005.5 DAY 25 6 28 7 4 7 3 28 25 17 15 24 MIN. QFE PRESSURE IN HPA 990.6 990.2 987.1 987.3 983.0 977.2 975.8 975.7 981.7 987.4 994.1 998.2 975.7 DAY 12 10 12 12 28 17 6 3 15 4 6 14 MEAN QNH PRESSURE IN HPA 1017.2 1013.8 1011.3 1010.1 1005.3 999.5 996.1 998.1 1003.1 1011.5 1016.5 1018.9 1008.4 MAX. QNH PRESSURE IN HPA 1023.3 1018.0 1018.2 1014.8 1008.6 1004.2 1002.1 1002.7 1010.9 1015.5 1022.2 1021.3 1023.3 DAY 25 6 28 7 4 7 3 28 25 17 15 24 MIN. QNH PRESSURE IN HPA 1008.2 1007.8 1004.6 1004.8 1000.5 994.6 993.2 993.1 999.2 1004.9 1011.7 1015.9 993.1 DAY 12 10 12 12 28 17 6 3 15 4 6 14 MEAN QFF PRESSURE IN HPA 1017.4 1013.9 1011.3 1009.8 1004.4 998.4 994.8 996.8 1002.2 1011.0 1016.4 1019.0 1007.9 MAX. QFF PRESSURE IN HPA 1023.7 1018.6 1018.4 1014.6 1007.7 1003.4 1000.8 1001.6 1010.1 1015.1 1021.9 1021.6 1023.7 DAY 25 6 28 7 4 7 3 28 25 17 15 24 MIN. QFF PRESSURE IN HPA 1008.5 1007.6 1004.6 1004.4 999.3 993.3 991.7 991.8 998.2 1004.2 1011.5 1015.8 991.7 DAY 12 10 12 12 28 17 25 3 15 4 6 14 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 14.9 14.5 17.3 24.0 33.4 38.9 39.1 38.0 35.9 30.3 20.7 14.6 26.8 MINIMUN AIR TEMPERATURE (C) 9.5 7.1 11.3 16.8 24.2 29.1 29.5 28.5 25.6 22.7 15.3 10.6 19.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 3 24 30 31 31 30 22 0 0 171 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 1 0 0 0 0 0 0 0 0 0 0 1 TEMPERATURE RECORDS LOWEST(C) 6.0 -0.8 4.2 7.6 15.6 22.6 27.8 26.8 22.0 16.4 11.6 6.4 -0.8 DAY 4 7 8 12 6 3 16 22 15 28 29 28 MAXIMUM AIR TEMPERATURE (C) 19.2 19.7 21.7 29.0 38.5 44.4 45.3 44.6 42.5 35.7 24.9 18.2 32.0 DAYS WITH MAXIMUM TEMP. >=30 0 1 0 15 30 30 31 31 30 28 1 0 197 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 26.2 31.0 26.4 35.0 45.0 49.4 47.8 47.8 45.8 42.0 30.4 23.2 49.4 DAY 11 21 4 28 29 27 9 1 2 6 2 4 DIF. BETWEEN (MAX.-MIN.) (C) 9.7 12.6 10.4 12.2 14.3 15.3 15.8 16.1 16.9 13.0 9.6 7.6 12.8 MEAN DAILY TEMP. (MDT) (C) 14.3 13.4 16.5 22.9 31.4 36.7 37.4 36.5 34.1 29.2 20.1 14.4 25.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 2.1 0.0 82.3 321.6 471.1 508.5 481.8 392.0 253.3 21.2 0.0 2533.9 HEATING DEG. DAYS(BASE 18 0C) 116.4 140.6 57.8 9.0 0.0 0.0 0.0 0.0 0.0 0.0 5.1 112.7 441.5 DEWPOINT (MEAN C) 6.3 -0.8 6.5 10.3 9.6 10.0 10.1 11.5 6.7 11.4 12.3 10.8 8.7 MIXING RATIO (G/KG) 6.12 3.82 6.43 8.35 7.80 8.11 8.11 8.78 6.38 8.85 9.20 8.20 7.51 VAPOUR PRESSURE (HPA) 9.74 6.10 10.17 13.15 12.25 12.65 12.60 13.67 10.04 13.96 14.54 13.02 11.82 SATURATION DEF. (HPA) 7.70 11.51 10.13 18.09 41.82 59.42 60.32 55.54 51.61 31.07 10.46 3.88 30.13 RELATIVE HUMIDITY (MEAN %) 60 38 53 45 26 19 19 22 18 35 61 79 40 RELATIVE HUMIDITY (MAX. %) 78 58 73 64 39 30 30 35 28 49 79 92 55 RELATIVE HUMIDITY (MIN. %) 43 23 38 31 18 13 12 14 11 25 46 66 28 RELATIVE HUMIDITY (MEAN% 03UTC) 75 57 69 63 39 30 30 35 27 48 74 89 53 RELATIVE HUMIDITY (MEAN% 09UTC) 54 29 44 38 20 15 16 18 13 29 53 74 34 RELATIVE HUMIDITY (MEAN% 15UTC) 59 35 49 40 24 16 14 17 17 33 63 81 37 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 34.0 0.0 253.0 25.7 10.4 0.0 0.0 0.0 0.0 4.4 36.5 151.3 515.3 DAYS WITH PRECIPITATION >=10 1 0 5 1 0 0 0 0 0 0 2 5 14 DAYS WITH PRECIPITATION >= 5 3 0 5 2 1 0 0 0 0 0 4 5 20 DAYS WITH PRECIPITATION >= 1 5 0 8 6 2 0 0 0 0 1 5 6 33 DAYS WITH PRECIPITATION 5 0 11 7 3 0 0 0 0 2 6 7 41 GREATEST DAILY PRECIPITATION 15.0 0.0 127.0 11.0 9.0 0.0 0.0 0.0 0.0 4.0 14.0 44.0 127.0 DAY 16 ** 16 18 5 ** ** ** ** 23 3 10 DAY WITH THUNDER STORM 1 0 4 2 2 0 0 0 0 0 4 3 16 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 3 2 2 2 0 7 0 1 1 0 0 18 WIND DIRECTION (PREVAILING) 315 315 315 315 225 270 270 270 315 270 315 270 270 PREVAILING WIND SPEED(KNOTS) 6.7 7.8 7.5 9.0 8.5 9.6 8.1 7.9 10.1 7.1 7.9 6.9 7.8 PREVAILING WIND PERCENT 14.2 32.9 14.2 19.3 18.7 33.3 25.8 23.9 24.0 18.7 14.7 15.5 18.9 CALMS PERCENT OF WIND 49.7 30.0 30.3 21.3 25.2 20.0 27.1 33.5 29.3 35.5 51.3 58.1 34.4 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 246 288 204 251 230 269 273 269 281 284 287 229 267 VECTOR WIND MAGNITUDE(KNOTS) 0.6 3.4 0.9 1.6 2.7 4.6 4.1 3.5 3.9 2.3 1.2 1.4 2.3 WIND STEADINESES (MEAN %) 18.2 63.0 17.3 28.1 43.5 65.7 71.9 72.9 69.6 47.9 35.3 48.3 46.0 WIND SPEED (MEAN KNOTS) 3.3 5.4 5.2 5.7 6.2 7.0 5.7 4.8 5.6 4.8 3.4 2.9 5.0 FASTEST WIND DIRECTION 170 180 290 300 70 310 310 310 330 300 120 280 290 FASTEST WIND SPEED (KNOTS) 17 17 27 17 17 16 23 14 19 19 19 14 27 DAY 16 21 25 11 18 1 15 1 24 20 26 1 DAYS WITH SKY CLEAR (0-2)/8 12 20 8 14 18 25 30 29 29 19 16 10 230 DAYS WITH P.CLOUDY (3-6)/8 14 8 19 14 12 5 1 2 1 12 12 16 116 DAYS WITH CLOUDY (7-8)/8 5 0 4 2 1 0 0 0 0 0 2 5 19 DAYS WITH VISIBILITY =< 2 KM 2 0 1 0 0 0 1 0 0 0 0 8 12 DURATION OF SUNSHINE HOURS 206.4 244.5 213.7 264.4 314.9 354.5 372.1 348.1 321.9 255.7 206.1 156.0 3258.3 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1000.3 1001.0 996.4 994.1 990.6 983.8 979.5 982.5 989.3 995.5 998.7 1000.9 992.7 MAX. QFE PRESSURE IN HPA 1005.1 1009.6 1006.0 1003.5 996.6 990.3 983.0 987.8 996.8 1000.0 1003.2 1007.3 1009.6 DAY-HOUR 19- 6 6- 6 1- 6 12- 6 6- 6 8- 6 25- 9 31- 9 30- 6 31- 6 4- 9 30- 6 MIN. QFE PRESSURE IN HPA 990.4 991.6 984.9 988.0 983.9 975.4 975.7 976.8 983.0 989.7 995.6 993.0 975.4 DAY-HOUR 16-15 21-12 25- 3 4-15 30-15 29-15 16-15 1-15 2-15 6-12 24-12 10-12 MEAN QNH PRESSURE IN HPA 1018.0 1018.7 1014.0 1011.8 1008.2 1001.2 997.0 1000.0 1006.9 1013.2 1016.4 1018.6 1010.3 MAX. QNH PRESSURE IN HPA 1022.9 1027.5 1023.8 1021.3 1014.3 1007.9 1000.5 1005.3 1014.5 1017.7 1021.0 1025.1 1027.5 DAY-HOUR 19- 6 6- 6 1- 6 12- 6 6- 6 8- 6 25- 9 31- 9 30- 6 31- 6 4- 9 30- 6 MIN. QNH PRESSURE IN HPA 1008.0 1009.2 1002.4 1005.5 1001.4 992.8 993.1 994.2 1000.5 1007.3 1013.3 1010.6 992.8 DAY-HOUR 16-15 21-12 25- 3 4-15 30-15 29-15 16-15 1-15 2-15 6-12 24-12 10-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1000.1 1001.0 996.0 994.1 991.0 984.2 979.8 982.8 989.4 995.5 998.6 1000.6 992.8 MAX. QFE PRESSURE IN HPA 1003.4 1007.7 1005.0 1002.8 995.5 990.2 982.1 986.3 995.4 998.7 1002.0 1006.3 1007.7 DAY 11 7 1 13 6 8 23 31 30 31 8 30 MIN. QFE PRESSURE IN HPA 990.8 993.5 984.9 989.2 985.7 977.2 977.2 977.3 985.2 991.0 996.0 993.4 977.2 DAY 16 19 25 5 31 28 16 1 2 6 11 10 MEAN QNH PRESSURE IN HPA 1017.8 1018.7 1013.7 1011.8 1008.6 1001.7 997.2 1000.3 1007.0 1013.1 1016.3 1018.3 1010.4 MAX. QNH PRESSURE IN HPA 1021.2 1025.5 1022.8 1020.6 1013.2 1007.8 999.6 1003.8 1013.0 1016.4 1019.7 1024.1 1025.5 DAY 11 7 1 13 6 8 23 31 30 31 8 30 MIN. QNH PRESSURE IN HPA 1008.4 1011.1 1002.4 1006.8 1003.2 994.6 994.6 994.7 1002.7 1008.6 1013.7 1011.0 994.6 DAY 16 19 25 5 31 28 16 1 2 6 11 10 MEAN QFF PRESSURE IN HPA 1018.1 1019.1 1013.8 1011.5 1007.8 1000.6 996.0 999.2 1006.1 1012.5 1016.2 1018.6 1010.0 MAX. QFF PRESSURE IN HPA 1021.2 1026.5 1023.2 1020.8 1013.0 1006.7 998.3 1002.8 1012.4 1016.0 1019.6 1024.4 1026.5 DAY 19 7 1 13 6 8 23 31 30 31 8 30 MIN. QFF PRESSURE IN HPA 1008.4 1011.1 1002.2 1006.4 1002.1 993.2 993.5 993.5 1001.6 1007.7 1013.3 1011.1 993.2 DAY 16 19 25 5 31 28 16 1 2 6 11 10 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1001.5 1002.3 997.6 995.4 991.9 984.8 980.6 983.6 990.5 996.8 999.9 1001.9 993.9 MAX. QFE PRESSURE IN HPA 1005.1 1009.6 1006.0 1003.5 996.6 990.3 982.8 987.5 996.8 1000.0 1002.8 1007.3 1009.6 DAY 19 6 1 12 6 8 19 31 30 31 5 30 MIN. QFE PRESSURE IN HPA 993.0 995.6 985.3 991.0 986.4 978.2 977.4 978.7 986.2 992.5 997.4 995.0 977.4 DAY 16 19 29 5 31 28 16 1 2 6 11 10 MEAN QNH PRESSURE IN HPA 1019.3 1020.0 1015.3 1013.1 1009.5 1002.3 998.0 1001.1 1008.1 1014.5 1017.6 1019.6 1011.5 MAX. QNH PRESSURE IN HPA 1022.9 1027.5 1023.8 1021.3 1014.3 1007.9 1000.3 1005.0 1014.5 1017.7 1020.6 1025.1 1027.5 DAY 19 6 1 12 6 8 19 31 30 31 5 30 MIN. QNH PRESSURE IN HPA 1010.6 1013.3 1002.8 1008.6 1003.9 995.6 994.8 996.1 1003.7 1010.1 1015.1 1012.6 994.8 DAY 16 19 29 5 31 28 16 1 2 6 11 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1001.0 1001.9 997.3 994.9 991.3 984.4 980.3 983.2 990.1 996.2 999.4 1001.3 993.4 MAX. QFE PRESSURE IN HPA 1005.0 1009.0 1005.8 1003.1 996.6 990.1 983.0 987.8 995.8 999.9 1003.2 1006.0 1009.0 DAY 19 6 1 12 6 4 25 31 30 31 4 29 MIN. QFE PRESSURE IN HPA 992.4 994.5 988.2 989.9 985.6 977.7 977.4 978.1 985.8 991.1 996.8 994.7 977.4 DAY 17 21 25 28 31 29 16 1 2 6 24 10 MEAN QNH PRESSURE IN HPA 1018.8 1019.6 1015.0 1012.6 1008.9 1001.9 997.7 1000.7 1007.7 1013.8 1017.1 1019.0 1011.1 MAX. QNH PRESSURE IN HPA 1022.8 1026.8 1023.6 1020.9 1014.3 1007.7 1000.5 1005.3 1013.5 1017.6 1021.0 1023.8 1026.8 DAY 19 6 1 12 6 4 25 31 30 31 4 29 MIN. QNH PRESSURE IN HPA 1010.0 1012.1 1005.7 1007.5 1003.1 995.1 994.8 995.5 1003.3 1008.7 1014.5 1012.3 994.8 DAY 17 21 25 28 31 29 16 1 2 6 24 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 999.3 1000.0 995.6 993.4 989.7 983.0 978.9 981.7 988.4 994.6 997.8 1000.1 991.9 MAX. QFE PRESSURE IN HPA 1002.8 1007.5 1003.1 1001.9 994.7 989.3 981.5 986.0 993.5 998.6 1000.8 1005.0 1007.5 DAY 19 6 1 12 6 4 25 31 30 31 7 22 MIN. QFE PRESSURE IN HPA 990.5 991.6 988.4 988.3 984.5 976.0 976.1 976.9 983.8 989.7 995.6 993.0 976.0 DAY 16 21 24 28 31 29 16 1 2 6 24 10 MEAN QNH PRESSURE IN HPA 1017.0 1017.7 1013.3 1011.1 1007.3 1000.5 996.3 999.2 1005.9 1012.3 1015.5 1017.8 1009.5 MAX. QNH PRESSURE IN HPA 1020.6 1025.3 1020.9 1019.6 1012.3 1006.9 998.9 1003.5 1011.1 1016.3 1018.5 1022.8 1025.3 DAY 19 6 1 12 6 4 25 31 30 31 7 22 MIN. QNH PRESSURE IN HPA 1008.1 1009.2 1005.9 1005.8 1002.0 993.4 993.5 994.3 1001.3 1007.3 1013.3 1010.6 993.4 DAY 16 21 24 28 31 29 16 1 2 6 24 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 999.5 999.9 995.3 992.9 989.2 982.5 978.2 981.3 988.1 994.6 998.1 1000.5 991.7 MAX. QFE PRESSURE IN HPA 1002.9 1007.0 1002.9 1001.2 994.0 988.7 981.0 985.4 993.0 998.6 1001.0 1005.5 1007.0 DAY 19 6 1 12 6 4 25 31 29 31 7 29 MIN. QFE PRESSURE IN HPA 990.4 991.8 986.8 988.0 983.9 975.4 975.7 976.8 983.0 989.9 995.8 994.6 975.4 DAY 16 21 24 4 30 29 16 1 2 6 24 10 MEAN QNH PRESSURE IN HPA 1017.2 1017.6 1013.0 1010.5 1006.8 999.9 995.6 998.7 1005.7 1012.3 1015.8 1018.3 1009.3 MAX. QNH PRESSURE IN HPA 1020.7 1024.8 1020.7 1018.9 1011.6 1006.3 998.4 1002.9 1010.6 1016.3 1018.7 1023.3 1024.8 DAY 19 6 1 12 6 4 25 31 29 31 7 29 MIN. QNH PRESSURE IN HPA 1008.0 1009.4 1004.3 1005.5 1001.4 992.8 993.1 994.2 1000.5 1007.5 1013.5 1012.2 992.8 DAY 16 21 24 4 30 29 16 1 2 6 24 10 MEAN QFF PRESSURE IN HPA 1017.5 1018.0 1013.1 1010.2 1006.0 998.8 994.5 997.6 1004.8 1011.6 1015.7 1018.5 1008.8 MAX. QFF PRESSURE IN HPA 1021.1 1025.7 1021.0 1019.2 1011.3 1005.4 997.2 1001.9 1009.8 1016.0 1018.5 1023.6 1025.7 DAY 19 6 1 12 6 4 25 31 29 31 7 29 MIN. QFF PRESSURE IN HPA 1007.9 1009.2 1004.1 1005.1 1000.2 991.6 992.0 992.9 999.3 1006.6 1013.5 1012.2 991.6 DAY 16 21 24 4 30 29 16 1 2 6 24 10 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.0 15.8 19.3 27.1 34.8 40.6 41.0 41.5 37.3 30.7 24.7 20.1 28.7 MINIMUN AIR TEMPERATURE (C) 7.6 10.2 13.7 18.4 25.4 29.9 31.7 32.5 28.2 21.8 16.3 12.8 20.7 DAYS WITH MINIMUM TEMP. >=21 0 0 0 6 27 30 31 31 30 19 0 0 174 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 1.8 3.4 9.0 14.0 19.4 25.4 28.0 28.6 24.8 17.6 13.2 7.6 1.8 DAY 15 17 21 6 2 10 9 23 8 31 18 13 MAXIMUM AIR TEMPERATURE (C) 15.8 19.8 23.5 32.7 39.9 46.6 46.6 47.4 43.3 36.8 30.5 26.0 34.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 23 31 30 31 31 30 30 17 1 226 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 20.6 26.4 30.6 38.0 47.0 49.8 49.2 49.8 46.6 41.8 34.2 31.0 49.8 DAY 20 7 27 13 28 28 20 15 1 2 4 17 DIF. BETWEEN (MAX.-MIN.) (C) 8.2 9.6 9.8 14.3 14.5 16.7 14.9 14.9 15.1 15.0 14.2 13.2 13.4 MEAN DAILY TEMP. (MDT) (C) 11.7 15.0 18.6 25.5 32.6 38.3 39.2 39.9 35.8 29.3 23.4 19.4 27.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.4 10.0 138.9 360.8 517.6 563.1 587.4 442.8 256.4 73.4 5.3 2956.1 HEATING DEG. DAYS(BASE 18 0C) 194.8 91.4 27.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5.2 318.8 DEWPOINT (MEAN C) 7.2 7.7 10.3 9.6 10.1 11.2 12.8 14.8 12.1 7.5 6.0 5.2 9.6 MIXING RATIO (G/KG) 6.50 6.87 8.18 7.79 8.06 8.72 9.81 11.39 9.29 6.75 6.09 5.91 7.95 VAPOUR PRESSURE (HPA) 10.35 10.91 12.93 12.29 12.65 13.60 15.19 17.64 14.51 10.65 9.67 9.41 12.48 SATURATION DEF. (HPA) 4.06 7.77 10.17 25.17 45.21 65.38 65.10 64.73 51.28 35.26 22.52 14.96 34.30 RELATIVE HUMIDITY (MEAN %) 74 61 59 36 24 19 21 24 24 25 32 41 37 RELATIVE HUMIDITY (MAX. %) 87 78 76 56 36 30 33 37 33 36 45 53 50 RELATIVE HUMIDITY (MIN. %) 61 47 44 23 17 13 14 15 16 16 22 29 26 RELATIVE HUMIDITY (MEAN% 03UTC) 84 76 72 55 36 29 33 35 33 35 43 51 49 RELATIVE HUMIDITY (MEAN% 09UTC) 68 54 53 30 19 15 16 20 19 19 26 34 31 RELATIVE HUMIDITY (MEAN% 15UTC) 76 63 57 32 22 17 17 19 22 25 35 45 36 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 122.4 36.4 83.7 4.0 0.0 1.0 0.0 0.0 0.0 0.1 0.6 2.0 250.2 DAYS WITH PRECIPITATION >=10 4 1 3 0 0 0 0 0 0 0 0 0 8 DAYS WITH PRECIPITATION >= 5 6 2 5 0 0 0 0 0 0 0 0 0 13 DAYS WITH PRECIPITATION >= 1 9 7 9 2 0 1 0 0 0 0 0 1 29 DAYS WITH PRECIPITATION 12 8 10 2 0 1 0 0 0 1 1 3 38 GREATEST DAILY PRECIPITATION 48.0 15.0 40.0 2.0 0.0 1.0 0.0 0.0 0.0 0.1 0.6 1.0 48.0 DAY 5 16 30 20 ** 17 ** ** ** 11 12 2 DAY WITH THUNDER STORM 4 2 2 1 0 2 0 0 0 1 0 1 13 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 0 0 0 0 0 0 0 0 0 0 0 WIND DIRECTION (PREVAILING) 315 315 315 315 315 315 315 270 315 270 270 315 315 PREVAILING WIND SPEED(KNOTS) 7.0 7.5 5.7 7.4 9.8 10.6 9.1 6.4 8.2 6.8 5.2 6.0 8.0 PREVAILING WIND PERCENT 17.4 17.9 16.8 15.3 25.2 24.0 26.5 23.9 22.0 16.8 14.0 12.3 17.7 CALMS PERCENT OF WIND 58.7 39.3 34.8 44.7 25.8 34.0 25.8 24.5 42.0 60.6 57.3 65.8 42.8 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 246 247 224 260 284 284 278 249 276 270 257 297 270 VECTOR WIND MAGNITUDE(KNOTS) 0.5 1.1 1.1 1.1 3.8 4.1 4.1 3.0 2.6 1.6 1.0 0.6 2.0 WIND STEADINESES (MEAN %) 16.7 25.0 24.4 28.9 60.3 68.3 69.5 56.6 65.0 66.7 38.5 30.0 47.6 WIND SPEED (MEAN KNOTS) 3.0 4.4 4.5 3.8 6.3 6.0 5.9 5.3 4.0 2.4 2.6 2.0 4.2 FASTEST WIND DIRECTION 150 130 150 280 310 330 310 210 250 170 150 150 150 FASTEST WIND SPEED (KNOTS) 25 17 21 19 17 21 17 17 14 16 14 12 25 DAY 12 7 18 24 1 9 17 7 15 10 10 1 DAYS WITH SKY CLEAR (0-2)/8 13 13 11 21 22 29 25 27 27 28 22 18 256 DAYS WITH P.CLOUDY (3-6)/8 14 13 13 7 9 1 6 4 3 3 8 11 92 DAYS WITH CLOUDY (7-8)/8 4 2 7 2 0 0 0 0 0 0 0 2 17 DAYS WITH VISIBILITY =< 2 KM 5 0 0 0 0 0 0 0 0 0 0 0 5 DURATION OF SUNSHINE HOURS 194.7 210.1 200.1 288.1 334.1 359.4 353.0 347.7 313.1 300.0 262.3 204.6 3367.2 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1000.9 999.2 997.3 993.6 989.8 983.5 979.8 982.2 986.9 993.6 998.4 1000.8 992.2 MAX. QFE PRESSURE IN HPA 1006.6 1005.6 1004.0 1000.8 996.0 990.0 985.4 988.0 992.3 1000.7 1002.4 1006.0 1006.6 DAY-HOUR 22- 9 5- 6 22- 6 2- 6 3- 6 5- 6 23- 6 25- 6 26- 6 25- 6 21- 6 5- 6 MIN. QFE PRESSURE IN HPA 991.9 991.4 988.5 986.4 983.9 975.3 975.0 977.1 982.0 988.0 995.3 994.7 975.0 DAY-HOUR 12-12 7-15 1- 3 21-15 29-15 30-15 2-15 13-15 1-15 1-15 18-12 21-12 MEAN QNH PRESSURE IN HPA 1018.6 1016.9 1014.9 1011.2 1007.4 1001.0 997.2 999.6 1004.5 1011.2 1016.0 1018.5 1009.8 MAX. QNH PRESSURE IN HPA 1024.4 1023.4 1021.8 1018.5 1013.7 1007.6 1002.9 1005.5 1009.9 1018.4 1020.2 1023.8 1024.4 DAY-HOUR 22- 9 5- 6 22- 6 2- 6 3- 6 5- 6 23- 6 25- 6 26- 6 25- 6 21- 6 5- 6 MIN. QNH PRESSURE IN HPA 1009.5 1009.0 1006.0 1003.9 1001.4 992.7 992.4 994.5 999.5 1005.5 1013.0 1012.3 992.4 DAY-HOUR 12-12 7-15 1- 3 21-15 29-15 30-15 2-15 13-15 1-15 1-15 18-12 21-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1000.6 999.2 997.0 993.4 990.1 984.0 980.1 982.7 987.0 993.6 998.4 1000.7 992.2 MAX. QFE PRESSURE IN HPA 1005.8 1004.0 1002.5 999.6 994.8 988.7 984.0 987.3 990.8 999.3 1001.0 1004.8 1005.8 DAY 22 5 22 2 8 5 22 25 26 25 21 5 MIN. QFE PRESSURE IN HPA 992.3 994.3 988.5 986.7 985.0 978.4 976.8 979.4 983.4 989.0 996.9 996.8 976.8 DAY 13 8 1 21 29 30 2 13 3 1 9 21 MEAN QNH PRESSURE IN HPA 1018.3 1016.9 1014.7 1011.1 1007.7 1001.5 997.6 1000.1 1004.6 1011.2 1016.1 1018.4 1009.8 MAX. QNH PRESSURE IN HPA 1023.6 1021.8 1020.3 1017.3 1012.4 1006.3 1001.5 1004.8 1008.4 1017.0 1018.7 1022.6 1023.6 DAY 22 5 22 2 8 5 22 25 26 25 21 5 MIN. QNH PRESSURE IN HPA 1009.9 1011.9 1006.0 1004.2 1002.5 995.8 994.2 996.8 1000.9 1006.6 1014.6 1014.5 994.2 DAY 13 8 1 21 29 30 2 13 3 1 9 21 MEAN QFF PRESSURE IN HPA 1018.7 1017.2 1014.7 1010.6 1006.8 1000.3 996.3 998.8 1003.5 1010.6 1015.9 1018.5 1009.3 MAX. QFF PRESSURE IN HPA 1024.1 1021.9 1020.5 1017.1 1011.6 1005.1 1000.2 1003.6 1007.4 1016.6 1018.5 1022.7 1024.1 DAY 22 5 22 2 8 5 22 25 26 25 21 5 MIN. QFF PRESSURE IN HPA 1010.5 1011.7 1006.0 1003.8 1001.3 994.6 992.9 995.4 999.6 1005.7 1014.3 1014.4 992.9 DAY 13 8 1 21 29 30 2 13 3 1 9 21 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1001.8 1000.5 998.2 994.7 991.1 984.7 980.9 983.5 988.2 994.9 999.7 1002.1 993.3 MAX. QFE PRESSURE IN HPA 1006.3 1005.6 1004.0 1000.8 996.0 990.0 985.4 988.0 992.3 1000.7 1002.4 1006.0 1006.3 DAY 15 5 22 2 3 5 23 25 26 25 21 5 MIN. QFE PRESSURE IN HPA 994.2 995.3 988.5 987.3 986.0 978.8 977.4 979.5 985.0 990.1 997.9 997.9 977.4 DAY 13 8 18 21 30 30 12 13 1 1 18 21 MEAN QNH PRESSURE IN HPA 1019.6 1018.2 1015.9 1012.3 1008.7 1002.2 998.3 1001.0 1005.7 1012.5 1017.4 1019.9 1011.0 MAX. QNH PRESSURE IN HPA 1024.1 1023.4 1021.8 1018.5 1013.7 1007.6 1002.9 1005.5 1009.9 1018.4 1020.2 1023.8 1024.1 DAY 15 5 22 2 3 5 23 25 26 25 21 5 MIN. QNH PRESSURE IN HPA 1011.8 1013.0 1006.0 1004.8 1003.5 996.2 994.8 996.9 1002.5 1007.7 1015.6 1015.6 994.8 DAY 13 8 18 21 30 30 12 13 1 1 18 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1001.5 1000.1 998.1 994.6 990.5 984.2 980.5 983.0 987.8 994.3 998.9 1001.3 992.9 MAX. QFE PRESSURE IN HPA 1006.6 1005.0 1003.5 1000.4 995.9 989.1 984.4 987.3 991.8 1000.0 1002.0 1005.4 1006.6 DAY 22 5 21 2 3 5 22 25 26 25 21 5 MIN. QFE PRESSURE IN HPA 993.9 994.0 989.2 987.3 985.8 978.2 977.0 979.4 984.3 989.7 997.0 995.9 977.0 DAY 12 7 1 21 30 30 12 13 2 1 10 21 MEAN QNH PRESSURE IN HPA 1019.2 1017.8 1015.8 1012.2 1008.1 1001.7 997.9 1000.5 1005.3 1011.9 1016.6 1019.1 1010.5 MAX. QNH PRESSURE IN HPA 1024.4 1022.8 1021.3 1018.1 1013.6 1006.7 1001.9 1004.8 1009.4 1017.7 1019.7 1023.2 1024.4 DAY 22 5 21 2 3 5 22 25 26 25 21 5 MIN. QNH PRESSURE IN HPA 1011.5 1011.6 1006.8 1004.8 1003.3 995.6 994.4 996.8 1001.8 1007.3 1014.7 1013.6 994.4 DAY 12 7 1 21 30 30 12 13 2 1 10 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1000.2 998.2 996.6 993.0 989.0 982.6 979.0 981.1 986.0 992.6 997.3 999.8 991.3 MAX. QFE PRESSURE IN HPA 1005.3 1002.5 1002.0 998.8 994.2 987.7 982.4 985.2 989.7 998.4 1000.6 1004.4 1005.3 DAY 14 3 22 2 3 5 22 25 26 25 21 6 MIN. QFE PRESSURE IN HPA 991.9 992.3 988.6 986.6 985.0 976.5 975.3 977.5 982.2 988.2 995.3 994.7 975.3 DAY 12 7 1 21 30 30 2 13 1 1 18 21 MEAN QNH PRESSURE IN HPA 1017.9 1015.9 1014.2 1010.6 1006.6 1000.1 996.4 998.6 1003.5 1010.2 1015.0 1017.5 1008.9 MAX. QNH PRESSURE IN HPA 1023.1 1020.3 1019.7 1016.5 1011.8 1005.2 999.9 1002.7 1007.3 1016.1 1018.3 1022.2 1023.1 DAY 14 3 22 2 3 5 22 25 26 25 21 6 MIN. QNH PRESSURE IN HPA 1009.5 1009.9 1006.2 1004.1 1002.5 993.9 992.7 994.9 999.7 1005.7 1013.0 1012.3 992.7 DAY 12 7 1 21 30 30 2 13 1 1 18 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1000.4 998.3 996.5 992.4 988.4 982.0 978.4 980.7 985.8 992.7 997.6 1000.2 991.1 MAX. QFE PRESSURE IN HPA 1006.4 1002.5 1002.2 998.0 993.0 986.8 981.3 984.0 989.7 998.4 1000.8 1004.7 1006.4 DAY 14 2 21 2 3 1 22 29 26 25 21 6 MIN. QFE PRESSURE IN HPA 993.2 991.4 989.0 986.4 983.9 975.3 975.0 977.1 982.0 988.0 995.6 996.1 975.0 DAY 29 7 1 21 29 30 2 13 1 1 18 21 MEAN QNH PRESSURE IN HPA 1018.2 1016.0 1014.2 1010.0 1006.0 999.5 995.8 998.1 1003.3 1010.3 1015.3 1017.9 1008.7 MAX. QNH PRESSURE IN HPA 1024.2 1020.3 1020.0 1015.7 1010.6 1004.3 998.7 1001.5 1007.3 1016.1 1018.5 1022.5 1024.2 DAY 14 2 21 2 3 1 22 29 26 25 21 6 MIN. QNH PRESSURE IN HPA 1010.8 1009.0 1006.6 1003.9 1001.4 992.7 992.4 994.5 999.5 1005.5 1013.3 1013.8 992.4 DAY 29 7 1 21 29 30 2 13 1 1 18 21 MEAN QFF PRESSURE IN HPA 1018.6 1016.2 1014.1 1009.6 1005.1 998.3 994.6 996.8 1002.3 1009.7 1015.0 1017.9 1008.2 MAX. QFF PRESSURE IN HPA 1025.0 1020.5 1020.2 1015.6 1010.1 1003.4 997.4 1000.2 1006.2 1015.6 1018.3 1022.7 1025.0 DAY 14 2 21 6 3 1 22 29 26 25 21 6 MIN. QFF PRESSURE IN HPA 1011.0 1008.8 1006.6 1003.3 1000.3 991.4 991.0 993.0 998.2 1004.7 1013.2 1013.7 991.0 DAY 29 7 1 21 29 30 2 13 1 2 18 21 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 14.9 16.9 19.2 28.1 35.7 40.4 40.2 41.3 36.1 31.5 21.5 16.0 28.5 MINIMUN AIR TEMPERATURE (C) 10.5 11.7 12.5 19.9 24.7 30.1 31.2 32.2 26.0 22.8 14.6 10.0 20.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 10 28 30 31 31 30 24 2 0 186 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 5.0 4.6 8.0 15.0 20.0 27.0 29.4 30.0 21.0 17.4 5.0 6.2 4.6 DAY 22 22 18 15 2 30 4 1 24 22 29 1 MAXIMUM AIR TEMPERATURE (C) 18.5 20.9 23.5 33.1 41.5 45.9 45.8 47.2 42.5 37.4 26.8 20.8 33.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 25 31 30 31 31 30 31 6 0 216 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 25.0 31.6 39.8 47.8 49.0 49.2 50.2 48.6 41.8 32.6 25.6 50.2 DAY 4 28 31 26 30 12 19 12 1 2 7 9 DIF. BETWEEN (MAX.-MIN.) (C) 8.0 9.2 11.0 13.2 16.8 15.8 14.6 15.0 16.5 14.6 12.2 10.8 13.2 MEAN DAILY TEMP. (MDT) (C) 14.5 16.3 18.0 26.5 33.1 38.0 38.5 39.7 34.2 30.1 20.7 15.4 27.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 6.6 165.6 374.6 509.7 541.7 579.6 397.5 282.4 30.8 0.0 2888.5 HEATING DEG. DAYS(BASE 18 0C) 107.6 51.9 26.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 13.0 84.4 283.5 DEWPOINT (MEAN C) 9.1 10.2 9.0 9.9 6.9 8.7 12.4 13.9 9.4 8.7 6.6 8.3 9.4 MIXING RATIO (G/KG) 7.41 8.01 7.41 8.04 6.48 7.30 9.46 10.51 7.89 7.30 6.46 7.08 7.78 VAPOUR PRESSURE (HPA) 11.76 12.69 11.71 12.65 10.18 11.41 14.65 16.29 12.34 11.52 10.24 11.27 12.23 SATURATION DEF. (HPA) 5.48 7.02 11.24 26.86 51.20 66.33 61.96 65.29 50.32 36.55 16.61 7.48 33.86 RELATIVE HUMIDITY (MEAN %) 71 67 55 34 18 16 21 22 22 26 41 64 38 RELATIVE HUMIDITY (MAX. %) 83 82 73 47 30 25 32 34 33 36 58 78 51 RELATIVE HUMIDITY (MIN. %) 58 53 39 24 12 11 14 14 14 18 28 50 28 RELATIVE HUMIDITY (MEAN% 03UTC) 80 80 70 46 30 25 32 33 33 36 55 76 50 RELATIVE HUMIDITY (MEAN% 09UTC) 67 60 48 27 14 12 17 17 18 21 34 56 33 RELATIVE HUMIDITY (MEAN% 15UTC) 72 67 54 34 17 15 17 18 19 24 39 67 37 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 141.7 88.7 87.2 3.1 0.0 0.0 0.0 0.0 0.0 0.1 10.9 60.0 391.7 DAYS WITH PRECIPITATION >=10 5 3 3 0 0 0 0 0 0 0 0 2 13 DAYS WITH PRECIPITATION >= 5 8 5 5 0 0 0 0 0 0 0 0 4 22 DAYS WITH PRECIPITATION >= 1 9 9 6 1 0 0 0 0 0 0 4 4 33 DAYS WITH PRECIPITATION 11 12 9 3 0 0 0 0 0 1 6 4 46 GREATEST DAILY PRECIPITATION 45.0 24.0 27.0 2.0 0.0 0.0 0.0 0.0 0.0 0.1 3.8 27.0 45.0 DAY 9 5 13 2 ** ** ** ** ** 31 15 2 DAY WITH THUNDER STORM 2 0 2 0 0 0 0 0 0 0 0 0 4 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 0 1 4 3 18 0 1 0 0 0 27 WIND DIRECTION (PREVAILING) 315 315 315 315 315 315 270 270 315 315 315 315 315 PREVAILING WIND SPEED(KNOTS) 5.2 6.3 5.9 8.1 8.6 7.9 5.4 6.2 5.9 8.4 6.9 5.5 7.1 PREVAILING WIND PERCENT 9.7 16.4 16.1 21.3 25.2 23.3 24.5 20.6 20.0 23.9 24.0 12.3 17.9 CALMS PERCENT OF WIND 63.2 42.9 49.0 42.0 34.2 33.3 32.9 51.0 48.0 38.1 44.0 71.0 45.9 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 192 242 217 310 288 295 249 254 278 300 271 293 280 VECTOR WIND MAGNITUDE(KNOTS) 0.2 0.3 0.8 2.4 3.5 3.0 2.3 2.0 1.8 1.9 1.3 0.6 1.5 WIND STEADINESES (MEAN %) 10.0 8.6 23.5 60.0 72.9 66.7 53.5 69.0 62.1 46.3 36.1 40.0 42.9 WIND SPEED (MEAN KNOTS) 2.0 3.5 3.4 4.0 4.8 4.5 4.3 2.9 2.9 4.1 3.6 1.5 3.5 FASTEST WIND DIRECTION 150 160 160 10 300 310 210 220 300 310 100 120 150 FASTEST WIND SPEED (KNOTS) 21 16 17 19 17 17 17 16 16 16 16 16 21 DAY 9 4 21 21 1 8 15 3 1 18 1 11 DAYS WITH SKY CLEAR (0-2)/8 12 13 16 14 28 30 29 24 30 27 15 19 257 DAYS WITH P.CLOUDY (3-6)/8 14 9 9 12 3 0 2 7 0 4 14 8 82 DAYS WITH CLOUDY (7-8)/8 5 6 6 4 0 0 0 0 0 0 1 4 26 DAYS WITH VISIBILITY =< 2 KM 5 0 1 0 1 0 1 0 0 0 0 5 13 DURATION OF SUNSHINE HOURS 150.3 171.6 227.7 257.6 348.0 366.4 332.5 338.5 322.8 284.2 214.2 205.7 3219.5 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 999.6 999.0 995.0 993.2 987.8 983.2 979.3 981.6 986.3 993.3 998.6 1002.2 991.6 MAX. QFE PRESSURE IN HPA 1005.0 1004.6 1001.5 999.0 995.8 989.4 984.3 988.3 994.6 998.1 1006.0 1007.0 1007.0 DAY-HOUR 11- 6 22- 6 18- 6 10- 9 1- 9 2- 6 1- 6 19- 6 30- 6 28- 6 15- 9 3- 6 MIN. QFE PRESSURE IN HPA 991.0 991.0 985.8 985.8 983.0 976.6 973.2 976.1 980.8 987.0 990.6 996.8 973.2 DAY-HOUR 18- 3 5-15 2- 3 7-15 19-15 24-15 12-15 13-15 10-15 8-15 1- 3 31-12 MEAN QNH PRESSURE IN HPA 1017.3 1016.7 1012.7 1010.8 1005.3 1000.7 996.8 999.0 1003.8 1010.9 1016.3 1019.9 1009.2 MAX. QNH PRESSURE IN HPA 1022.8 1022.4 1019.2 1016.7 1013.5 1007.0 1001.8 1005.8 1012.2 1015.8 1023.8 1024.8 1024.8 DAY-HOUR 11- 6 22- 6 18- 6 10- 9 1- 9 2- 6 1- 6 19- 6 30- 6 28- 6 15- 9 3- 6 MIN. QNH PRESSURE IN HPA 1008.6 1008.6 1003.3 1003.3 1000.5 994.0 990.5 993.5 998.2 1004.5 1008.2 1014.5 990.5 DAY-HOUR 18- 3 5-15 2- 3 7-15 19-15 24-15 12-15 13-15 10-15 8-15 1- 3 31-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 999.3 998.8 994.6 993.0 988.1 983.6 979.7 982.0 986.5 993.4 998.5 1002.0 991.6 MAX. QFE PRESSURE IN HPA 1003.8 1003.7 1000.0 998.0 994.2 988.7 983.9 987.6 992.6 996.5 1004.0 1005.3 1005.3 DAY 22 22 18 11 1 2 1 19 30 28 29 3 MIN. QFE PRESSURE IN HPA 991.0 991.3 985.8 988.6 984.0 978.1 975.4 977.3 982.8 989.0 990.6 998.0 975.4 DAY 18 6 2 27 20 24 12 7 7 9 1 27 MEAN QNH PRESSURE IN HPA 1017.0 1016.5 1012.2 1010.6 1005.6 1001.1 997.1 999.5 1004.0 1011.0 1016.2 1019.8 1009.2 MAX. QNH PRESSURE IN HPA 1021.6 1021.5 1017.7 1015.7 1011.8 1006.3 1001.4 1005.1 1010.2 1014.2 1021.8 1023.1 1023.1 DAY 22 22 18 11 1 2 1 19 30 28 29 3 MIN. QNH PRESSURE IN HPA 1008.6 1008.9 1003.3 1006.2 1001.5 995.5 992.8 994.7 1000.3 1006.6 1008.2 1015.7 992.8 DAY 18 6 2 27 20 24 12 7 7 9 1 27 MEAN QFF PRESSURE IN HPA 1017.2 1016.6 1012.2 1010.1 1004.7 999.9 995.9 998.2 1003.1 1010.3 1016.1 1020.0 1008.7 MAX. QFF PRESSURE IN HPA 1022.1 1022.1 1018.0 1015.5 1011.2 1005.1 1000.2 1003.9 1009.4 1013.8 1022.2 1023.5 1023.5 DAY 22 22 18 11 1 2 1 19 30 28 29 3 MIN. QFF PRESSURE IN HPA 1008.9 1009.1 1003.3 1005.3 1000.5 994.3 991.5 993.3 999.2 1005.8 1007.4 1016.0 991.5 DAY 18 6 2 27 20 24 12 7 7 9 1 31 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1000.6 1000.1 996.1 994.3 989.1 984.3 980.4 983.0 987.6 994.8 999.9 1003.5 992.8 MAX. QFE PRESSURE IN HPA 1005.0 1004.6 1001.5 999.0 995.6 989.4 984.3 988.3 994.6 998.1 1005.1 1007.0 1007.0 DAY 11 22 18 11 1 2 1 19 30 28 29 3 MIN. QFE PRESSURE IN HPA 993.8 993.1 986.7 988.9 984.6 978.5 975.9 978.1 983.9 990.8 993.4 999.3 975.9 DAY 9 20 2 27 20 24 12 7 10 8 1 31 MEAN QNH PRESSURE IN HPA 1018.4 1017.8 1013.7 1011.9 1006.6 1001.8 997.8 1000.4 1005.1 1012.5 1017.7 1021.3 1010.4 MAX. QNH PRESSURE IN HPA 1022.8 1022.4 1019.2 1016.7 1013.3 1007.0 1001.8 1005.8 1012.2 1015.8 1022.9 1024.8 1024.8 DAY 11 22 18 11 1 2 1 19 30 28 29 3 MIN. QNH PRESSURE IN HPA 1011.4 1010.7 1004.2 1006.5 1002.1 995.9 993.3 995.5 1001.4 1008.4 1011.0 1017.0 993.3 DAY 9 20 2 27 20 24 12 7 10 8 1 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1000.4 999.8 995.9 994.1 988.5 983.9 980.1 982.3 987.0 994.0 999.2 1002.7 992.3 MAX. QFE PRESSURE IN HPA 1004.9 1004.3 1001.5 999.0 995.8 988.8 984.1 987.8 994.0 997.1 1006.0 1006.4 1006.4 DAY 22 22 18 10 1 2 8 19 30 27 15 3 MIN. QFE PRESSURE IN HPA 993.5 994.4 987.7 989.8 985.0 978.2 975.1 977.9 983.3 989.4 993.1 998.5 975.1 DAY 18 28 2 27 20 24 12 7 10 8 11 31 MEAN QNH PRESSURE IN HPA 1018.1 1017.5 1013.5 1011.7 1006.1 1001.4 997.5 999.8 1004.5 1011.6 1016.9 1020.5 1009.9 MAX. QNH PRESSURE IN HPA 1022.7 1022.1 1019.2 1016.7 1013.5 1006.4 1001.6 1005.3 1011.6 1014.8 1023.8 1024.2 1024.2 DAY 22 22 18 10 1 2 8 19 30 27 15 3 MIN. QNH PRESSURE IN HPA 1011.1 1012.0 1005.2 1007.4 1002.5 995.6 992.5 995.3 1000.8 1007.0 1010.7 1016.2 992.5 DAY 18 28 2 27 20 24 12 7 10 8 11 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 998.7 998.1 994.5 992.5 987.0 982.5 978.6 980.5 985.4 992.4 997.6 1001.2 990.7 MAX. QFE PRESSURE IN HPA 1003.3 1002.2 1000.0 996.9 994.3 987.4 982.9 985.6 992.6 997.3 1002.9 1005.2 1005.2 DAY 10 22 18 10 1 1 8 18 30 27 29 3 MIN. QFE PRESSURE IN HPA 992.4 991.3 987.0 987.4 983.6 977.3 973.5 976.5 981.7 987.7 991.8 996.8 973.5 DAY 18 28 2 7 20 24 12 13 10 8 1 31 MEAN QNH PRESSURE IN HPA 1016.4 1015.8 1012.1 1010.1 1004.5 1000.0 996.0 997.9 1002.9 1010.0 1015.3 1019.0 1008.3 MAX. QNH PRESSURE IN HPA 1021.1 1020.0 1017.7 1014.6 1011.9 1004.9 1000.4 1003.1 1010.2 1015.0 1020.7 1023.0 1023.0 DAY 10 22 18 10 1 1 8 18 30 27 29 3 MIN. QNH PRESSURE IN HPA 1010.0 1008.9 1004.5 1004.9 1001.1 994.7 990.8 993.9 999.2 1005.2 1009.4 1014.5 990.8 DAY 18 28 2 7 20 24 12 13 10 8 1 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 999.0 998.2 994.2 992.1 986.3 981.9 978.1 980.1 985.2 992.1 997.9 1001.5 990.5 MAX. QFE PRESSURE IN HPA 1003.8 1002.9 999.8 996.7 994.0 987.0 982.2 985.2 992.3 996.2 1003.4 1004.9 1004.9 DAY 10 12 18 10 1 1 8 18 30 29 15 3 MIN. QFE PRESSURE IN HPA 993.4 991.0 988.2 985.8 983.0 976.6 973.2 976.1 980.8 987.0 992.6 997.2 973.2 DAY 18 5 2 7 19 24 12 13 10 8 1 31 MEAN QNH PRESSURE IN HPA 1016.7 1015.9 1011.9 1009.7 1003.9 999.4 995.5 997.5 1002.7 1009.8 1015.6 1019.3 1008.1 MAX. QNH PRESSURE IN HPA 1021.6 1020.7 1017.5 1014.4 1011.6 1004.5 999.7 1002.7 1009.9 1013.9 1021.2 1022.7 1022.7 DAY 10 12 18 10 1 1 8 18 30 29 15 3 MIN. QNH PRESSURE IN HPA 1011.0 1008.6 1005.7 1003.3 1000.5 994.0 990.5 993.5 998.2 1004.5 1010.2 1014.9 990.5 DAY 18 5 2 7 19 24 12 13 10 8 1 31 MEAN QFF PRESSURE IN HPA 1016.9 1016.0 1011.9 1009.1 1003.0 998.2 994.2 996.2 1001.8 1009.1 1015.5 1019.5 1007.6 MAX. QFF PRESSURE IN HPA 1021.9 1020.8 1017.8 1014.2 1010.9 1003.4 998.5 1001.4 1009.1 1013.3 1021.2 1023.2 1023.2 DAY 10 12 18 10 1 6 8 18 30 29 15 3 MIN. QFF PRESSURE IN HPA 1011.2 1008.8 1005.8 1002.7 999.5 992.9 989.3 992.1 997.1 1003.8 1009.5 1015.1 989.3 DAY 7 5 2 7 19 24 12 13 10 8 1 31 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.5 15.4 20.4 30.7 35.7 38.6 41.8 41.0 35.4 29.2 20.2 14.7 28.0 MINIMUN AIR TEMPERATURE (C) 8.3 9.0 12.3 21.8 25.5 28.4 32.9 32.1 26.1 21.0 14.4 10.9 20.2 DAYS WITH MINIMUM TEMP. >=21 0 0 2 19 29 30 31 31 30 16 1 0 189 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 3.2 4.0 5.0 14.0 19.6 25.6 28.2 23.8 23.0 15.0 10.4 4.4 3.2 DAY 18 2 10 11 10 6 6 31 1 29 23 28 MAXIMUM AIR TEMPERATURE (C) 17.9 20.4 26.1 36.4 41.1 44.9 47.7 47.2 41.7 35.0 24.9 18.3 33.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 7 30 31 30 31 31 30 30 1 0 221 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.4 26.4 32.8 40.4 46.0 50.6 51.6 49.6 44.4 38.8 33.2 24.0 51.6 DAY 1 25 23 30 25 30 16 7 9 11 1 24 DIF. BETWEEN (MAX.-MIN.) (C) 9.6 11.4 13.8 14.6 15.6 16.5 14.8 15.1 15.6 14.0 10.5 7.4 13.2 MEAN DAILY TEMP. (MDT) (C) 13.1 14.7 19.2 29.1 33.3 36.6 40.3 39.6 33.9 28.0 19.6 14.6 26.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.9 27.8 242.7 381.3 468.2 597.3 576.9 387.3 217.1 10.2 0.0 2909.7 HEATING DEG. DAYS(BASE 18 0C) 151.9 102.1 29.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5.2 108.1 397.0 DEWPOINT (MEAN C) 6.2 5.7 3.6 8.5 6.0 6.1 10.3 13.0 8.1 7.6 8.6 10.4 7.8 MIXING RATIO (G/KG) 6.09 5.87 5.15 7.29 6.19 6.11 8.26 10.27 7.18 6.79 7.23 8.08 7.04 VAPOUR PRESSURE (HPA) 9.68 9.34 8.18 11.48 9.73 9.56 12.84 15.90 11.25 10.73 11.48 12.83 11.08 SATURATION DEF. (HPA) 6.35 8.81 17.15 34.53 50.83 61.55 70.89 64.49 48.47 31.20 12.87 4.26 34.28 RELATIVE HUMIDITY (MEAN %) 64 55 35 27 17 15 17 22 21 28 51 77 36 RELATIVE HUMIDITY (MAX. %) 80 75 53 37 27 24 27 37 31 43 68 89 49 RELATIVE HUMIDITY (MIN. %) 48 37 22 19 12 10 11 13 13 18 37 65 25 RELATIVE HUMIDITY (MEAN% 03UTC) 77 74 51 35 27 24 27 36 31 41 67 84 48 RELATIVE HUMIDITY (MEAN% 09UTC) 60 49 28 21 13 11 13 17 16 23 44 70 30 RELATIVE HUMIDITY (MEAN% 15UTC) 63 50 32 27 17 12 14 17 18 27 48 81 34 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 54.6 20.2 2.2 0.0 0.0 0.0 0.0 1.0 0.0 1.7 16.8 196.3 292.8 DAYS WITH PRECIPITATION >=10 2 1 0 0 0 0 0 0 0 0 0 7 10 DAYS WITH PRECIPITATION >= 5 5 1 0 0 0 0 0 0 0 0 2 9 17 DAYS WITH PRECIPITATION >= 1 8 1 1 0 0 0 0 1 0 0 3 12 26 DAYS WITH PRECIPITATION 8 3 2 0 0 0 0 1 0 5 7 14 40 GREATEST DAILY PRECIPITATION 19.0 19.0 2.0 0.0 0.0 0.0 0.0 1.0 0.0 1.0 9.0 60.0 60.0 DAY 17 14 25 ** ** ** ** 15 ** 3 18 1 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 2 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 3 7 12 16 24 5 5 0 0 0 72 WIND DIRECTION (PREVAILING) 315 315 315 315 315 315 225 225 315 315 270 90 315 PREVAILING WIND SPEED(KNOTS) 7.0 5.4 7.7 8.5 9.2 6.6 6.9 6.8 7.5 7.5 4.9 5.8 7.5 PREVAILING WIND PERCENT 20.0 29.0 21.3 31.3 46.5 26.7 16.1 15.5 22.0 17.4 10.0 12.3 21.0 CALMS PERCENT OF WIND 49.7 39.3 41.9 34.0 30.3 46.7 49.0 45.8 50.7 44.5 65.3 57.4 46.2 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 279 300 249 302 305 287 246 258 282 299 281 99 286 VECTOR WIND MAGNITUDE(KNOTS) 0.4 1.7 1.5 3.0 5.5 2.4 2.0 2.1 2.2 1.8 0.7 0.6 1.8 WIND STEADINESES (MEAN %) 11.1 50.0 32.6 62.5 91.7 75.0 64.5 60.0 73.3 45.0 43.8 24.0 50.0 WIND SPEED (MEAN KNOTS) 3.6 3.4 4.6 4.8 6.0 3.2 3.1 3.5 3.0 4.0 1.6 2.5 3.6 FASTEST WIND DIRECTION 160 60 150 90 310 310 310 70 330 280 280 60 150 FASTEST WIND SPEED (KNOTS) 19 19 23 19 19 17 16 16 17 23 16 16 23 DAY 28 24 24 21 24 1 17 1 18 17 4 1 DAYS WITH SKY CLEAR (0-2)/8 18 19 24 14 27 30 29 27 30 24 14 13 269 DAYS WITH P.CLOUDY (3-6)/8 6 9 4 15 4 0 2 4 0 7 11 9 71 DAYS WITH CLOUDY (7-8)/8 7 1 3 1 0 0 0 0 0 0 5 9 26 DAYS WITH VISIBILITY =< 2 KM 4 2 0 0 0 0 5 0 0 0 0 7 18 DURATION OF SUNSHINE HOURS 180.2 221.1 266.6 208.5 308.6 304.7 217.4 317.8 300.4 257.7 190.3 164.5 2937.8 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 999.7 999.5 996.7 992.2 988.1 982.3 979.8 981.7 987.2 994.3 999.4 1000.8 991.8 MAX. QFE PRESSURE IN HPA 1009.8 1006.0 1003.3 998.7 994.3 986.9 985.2 987.8 994.0 1001.0 1004.8 1008.3 1009.8 DAY-HOUR 30- 6 29- 6 3- 6 1- 6 2- 6 17- 6 30- 6 14- 6 29- 6 29- 6 27- 6 17- 6 MIN. QFE PRESSURE IN HPA 989.4 992.2 986.0 986.0 982.8 977.2 973.0 976.1 979.9 989.4 992.8 992.6 973.0 DAY-HOUR 28-12 7- 3 23-15 21-12 25-15 30-15 9-15 11-15 1-15 1-15 1-12 10-15 MEAN QNH PRESSURE IN HPA 1017.4 1017.2 1014.4 1009.8 1005.6 999.8 997.3 999.1 1004.7 1012.0 1017.1 1018.5 1009.4 MAX. QNH PRESSURE IN HPA 1027.7 1023.8 1021.1 1016.4 1011.9 1004.4 1002.7 1005.3 1011.6 1018.7 1022.6 1026.1 1027.7 DAY-HOUR 30- 6 29- 6 3- 6 1- 6 2- 6 17- 6 30- 6 14- 6 29- 6 29- 6 27- 6 17- 6 MIN. QNH PRESSURE IN HPA 1007.0 1009.8 1003.5 1003.5 1000.3 994.6 990.3 993.5 997.3 1007.0 1010.4 1010.2 990.3 DAY-HOUR 28-12 7- 3 23-15 21-12 25-15 30-15 9-15 11-15 1-15 1-15 1-12 10-15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 999.5 999.3 996.8 992.4 988.3 982.8 980.5 982.2 987.3 994.3 999.3 1000.5 991.9 MAX. QFE PRESSURE IN HPA 1007.6 1004.0 1002.0 997.4 993.4 986.2 985.0 986.8 992.0 999.8 1003.0 1007.0 1007.6 DAY 30 29 3 2 2 16 30 14 29 29 11 17 MIN. QFE PRESSURE IN HPA 989.7 992.2 989.0 988.3 983.6 980.0 974.6 978.0 981.0 990.0 993.6 994.0 974.6 DAY 28 7 24 14 31 24 10 11 2 1 1 10 MEAN QNH PRESSURE IN HPA 1017.2 1017.0 1014.5 1010.0 1005.8 1000.2 997.9 999.6 1004.8 1012.0 1017.0 1018.2 1009.5 MAX. QNH PRESSURE IN HPA 1025.4 1021.8 1019.7 1015.1 1011.0 1003.7 1002.5 1004.3 1009.6 1017.5 1020.8 1024.8 1025.4 DAY 30 29 3 2 2 16 30 14 29 29 11 17 MIN. QNH PRESSURE IN HPA 1007.3 1009.8 1006.6 1005.8 1001.1 997.4 991.9 995.4 998.4 1007.6 1011.2 1011.6 991.9 DAY 28 7 24 14 31 24 10 11 2 1 1 10 MEAN QFF PRESSURE IN HPA 1017.5 1017.3 1014.5 1009.4 1004.9 999.1 996.6 998.3 1003.9 1011.4 1016.9 1018.4 1009.0 MAX. QFF PRESSURE IN HPA 1026.1 1022.1 1020.1 1014.9 1010.4 1002.7 1001.1 1003.1 1008.7 1017.3 1020.9 1025.3 1026.1 DAY 30 29 3 11 10 17 30 14 29 29 26 17 MIN. QFF PRESSURE IN HPA 1007.1 1010.0 1006.0 1005.3 1000.1 996.3 990.5 994.0 997.6 1006.8 1010.7 1011.7 990.5 DAY 28 7 24 14 31 24 10 11 2 1 1 10 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1000.9 1000.7 998.0 993.6 989.3 983.5 981.1 983.2 988.4 995.7 1000.6 1001.9 993.1 MAX. QFE PRESSURE IN HPA 1009.8 1006.0 1003.3 998.7 994.3 986.9 985.2 987.8 994.0 1001.0 1004.8 1008.3 1009.8 DAY 30 29 3 1 2 17 30 14 29 29 27 17 MIN. QFE PRESSURE IN HPA 991.1 994.5 989.2 989.2 984.7 981.0 974.9 978.9 981.6 991.0 994.8 994.8 974.9 DAY 28 7 24 14 30 23 10 11 2 1 1 10 MEAN QNH PRESSURE IN HPA 1018.6 1018.4 1015.7 1011.3 1006.9 1001.0 998.6 1000.6 1005.9 1013.3 1018.3 1019.7 1010.7 MAX. QNH PRESSURE IN HPA 1027.7 1023.8 1021.1 1016.4 1011.9 1004.4 1002.7 1005.3 1011.6 1018.7 1022.6 1026.1 1027.7 DAY 30 29 3 1 2 17 30 14 29 29 27 17 MIN. QNH PRESSURE IN HPA 1008.7 1012.1 1006.8 1006.8 1002.2 998.4 992.3 996.3 999.0 1008.6 1012.4 1012.4 992.3 DAY 28 7 24 14 30 23 10 11 2 1 1 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1000.3 1000.4 997.6 992.9 988.8 983.0 980.5 982.5 987.9 995.0 999.9 1001.3 992.5 MAX. QFE PRESSURE IN HPA 1009.1 1005.1 1003.1 998.3 993.8 986.6 984.2 985.8 993.4 1000.1 1004.0 1007.5 1009.1 DAY 30 4 3 1 2 16 30 14 29 30 27 17 MIN. QFE PRESSURE IN HPA 991.3 995.6 988.5 987.0 984.4 980.5 974.6 978.3 981.5 990.8 994.4 994.3 974.6 DAY 28 7 23 21 25 23 10 11 2 1 1 10 MEAN QNH PRESSURE IN HPA 1018.0 1018.2 1015.3 1010.5 1006.4 1000.5 997.9 999.9 1005.5 1012.6 1017.7 1019.0 1010.1 MAX. QNH PRESSURE IN HPA 1026.9 1022.9 1020.9 1016.0 1011.4 1004.1 1001.7 1003.3 1011.0 1017.8 1021.8 1025.3 1026.9 DAY 30 4 3 1 2 16 30 14 29 30 27 17 MIN. QNH PRESSURE IN HPA 1008.9 1013.3 1006.0 1004.5 1001.9 997.9 991.9 995.7 998.9 1008.4 1012.0 1011.9 991.9 DAY 28 7 23 21 25 23 10 11 2 1 1 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 998.7 998.5 995.8 991.2 987.3 981.5 978.9 980.7 986.4 993.4 998.5 1000.1 990.9 MAX. QFE PRESSURE IN HPA 1007.3 1003.6 1001.8 995.9 992.4 985.3 982.8 984.2 991.8 998.5 1001.9 1006.6 1007.3 DAY 30 10 3 1 2 16 30 13 29 30 26 17 MIN. QFE PRESSURE IN HPA 989.4 993.2 987.4 986.0 982.9 978.9 973.3 976.5 980.2 989.8 992.8 993.8 973.3 DAY 28 6 24 21 30 30 10 11 1 1 1 14 MEAN QNH PRESSURE IN HPA 1016.4 1016.2 1013.4 1008.8 1004.8 999.0 996.3 998.1 1003.9 1011.0 1016.2 1017.8 1008.5 MAX. QNH PRESSURE IN HPA 1025.1 1021.4 1019.5 1013.6 1010.0 1002.8 1000.3 1001.7 1009.4 1016.2 1019.6 1024.4 1025.1 DAY 30 10 3 1 2 16 30 13 29 30 26 17 MIN. QNH PRESSURE IN HPA 1007.0 1010.8 1004.9 1003.5 1000.4 996.3 990.6 993.9 997.6 1007.4 1010.4 1011.4 990.6 DAY 28 6 24 21 30 30 10 11 1 1 1 14 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 999.2 998.6 995.5 990.9 986.8 980.9 978.3 980.1 986.1 993.3 998.8 1000.3 990.7 MAX. QFE PRESSURE IN HPA 1007.5 1003.5 1001.4 995.9 992.0 984.4 982.2 984.4 991.2 998.5 1003.1 1007.0 1007.5 DAY 30 10 3 1 2 16 30 13 29 30 4 17 MIN. QFE PRESSURE IN HPA 990.5 992.4 986.0 986.3 982.8 977.2 973.0 976.1 979.9 989.4 993.5 992.6 973.0 DAY 28 6 23 21 25 30 9 11 1 1 1 10 MEAN QNH PRESSURE IN HPA 1017.0 1016.3 1013.1 1008.5 1004.3 998.3 995.6 997.5 1003.6 1010.9 1016.5 1018.0 1008.3 MAX. QNH PRESSURE IN HPA 1025.3 1021.3 1019.1 1013.6 1009.6 1001.9 999.7 1001.9 1008.8 1016.2 1020.9 1024.8 1025.3 DAY 30 10 3 1 2 16 30 13 29 30 4 17 MIN. QNH PRESSURE IN HPA 1008.1 1010.0 1003.5 1003.8 1000.3 994.6 990.3 993.5 997.3 1007.0 1011.1 1010.2 990.3 DAY 28 6 23 21 25 30 9 11 1 1 1 10 MEAN QFF PRESSURE IN HPA 1017.3 1016.6 1013.1 1007.9 1003.4 997.2 994.3 996.3 1002.7 1010.4 1016.4 1018.2 1007.8 MAX. QFF PRESSURE IN HPA 1025.9 1021.8 1019.5 1013.3 1009.0 1000.9 998.2 1000.7 1007.8 1015.9 1020.8 1025.3 1025.9 DAY 30 10 3 1 2 16 30 13 29 30 4 17 MIN. QFF PRESSURE IN HPA 1007.9 1010.3 1002.9 1002.9 999.1 993.2 988.9 992.1 996.5 1006.3 1010.6 1010.2 988.9 DAY 28 6 23 21 25 30 9 11 1 1 1 10 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.6 16.0 22.1 28.5 35.1 38.5 40.3 40.6 36.2 31.1 21.1 17.3 28.4 MINIMUN AIR TEMPERATURE (C) 8.2 9.8 14.6 19.8 25.0 27.9 30.5 31.8 27.0 23.1 13.6 13.3 20.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 11 30 30 31 31 30 30 0 0 193 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 3.4 6.0 12.0 15.0 20.8 24.4 27.2 29.0 24.8 20.4 5.0 4.6 3.4 DAY 29 1 6 10 7 10 1 22 12 31 20 22 MAXIMUM AIR TEMPERATURE (C) 18.0 21.0 27.7 34.5 40.8 44.8 46.4 46.7 42.5 37.0 26.6 21.1 33.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 5 29 31 30 31 31 30 31 8 0 226 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.4 26.4 34.6 40.8 46.6 49.6 49.0 51.4 45.2 41.2 35.0 26.0 51.4 DAY 18 28 31 25 15 23 30 4 1 1 6 9 DIF. BETWEEN (MAX.-MIN.) (C) 9.8 11.2 13.1 14.7 15.8 16.9 15.9 14.9 15.5 13.9 13.0 7.8 13.5 MEAN DAILY TEMP. (MDT) (C) 13.1 15.4 21.2 27.1 32.9 36.4 38.4 39.2 34.8 30.0 20.1 17.2 27.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 24.6 184.2 370.3 460.9 540.1 565.2 413.4 280.0 41.3 0.0 2880.0 HEATING DEG. DAYS(BASE 18 0C) 153.0 75.5 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 35.8 38.3 303.6 DEWPOINT (MEAN C) 7.1 5.9 8.7 6.6 6.8 7.4 9.2 14.7 9.1 8.3 4.3 12.3 8.4 MIXING RATIO (G/KG) 6.45 5.96 7.27 6.32 6.48 6.73 7.60 11.35 7.62 7.22 5.46 9.19 7.30 VAPOUR PRESSURE (HPA) 10.26 9.48 11.49 9.98 10.17 10.49 11.82 17.58 11.95 11.40 8.68 14.56 11.49 SATURATION DEF. (HPA) 5.67 9.22 16.13 30.67 48.82 60.47 65.94 61.21 50.41 35.35 17.97 5.62 33.96 RELATIVE HUMIDITY (MEAN %) 67 54 45 27 19 16 17 25 21 27 37 74 36 RELATIVE HUMIDITY (MAX. %) 83 73 63 42 31 28 29 40 33 40 53 88 50 RELATIVE HUMIDITY (MIN. %) 52 38 30 17 13 11 11 16 13 18 25 60 25 RELATIVE HUMIDITY (MEAN% 03UTC) 82 70 62 42 31 28 29 39 32 39 51 84 49 RELATIVE HUMIDITY (MEAN% 09UTC) 59 46 40 21 14 13 13 20 16 22 30 67 30 RELATIVE HUMIDITY (MEAN% 15UTC) 69 53 42 25 17 14 14 18 19 26 35 76 34 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 21.8 14.0 32.0 0.0 2.0 0.0 0.0 0.0 0.8 2.6 10.4 196.3 279.9 DAYS WITH PRECIPITATION >=10 0 0 1 0 0 0 0 0 0 0 0 8 9 DAYS WITH PRECIPITATION >= 5 3 1 3 0 0 0 0 0 0 0 1 11 19 DAYS WITH PRECIPITATION >= 1 4 5 6 0 1 0 0 0 0 1 3 11 31 DAYS WITH PRECIPITATION 6 5 6 0 1 0 0 0 1 1 4 11 35 GREATEST DAILY PRECIPITATION 8.0 7.0 15.0 0.0 2.0 0.0 0.0 0.0 0.8 2.6 6.0 50.0 50.0 DAY 27 10 26 ** 3 ** ** ** 21 28 29 8 DAY WITH THUNDER STORM 1 2 0 0 1 0 0 0 0 2 1 6 13 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 2 0 2 1 1 0 0 0 2 0 1 9 WIND DIRECTION (PREVAILING) 270 315 315 315 315 315 270 225 315 315 315 315 315 PREVAILING WIND SPEED(KNOTS) 5.3 6.5 6.1 7.8 9.4 8.9 6.6 6.1 5.7 5.5 6.1 4.8 7.1 PREVAILING WIND PERCENT 14.8 22.1 18.1 22.7 33.5 24.7 29.0 19.4 16.7 13.5 18.0 13.5 17.6 CALMS PERCENT OF WIND 68.4 44.3 41.9 38.0 32.9 38.0 40.0 43.2 47.3 59.4 57.3 64.5 48.0 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 269 287 253 283 291 286 261 255 265 251 264 92 273 VECTOR WIND MAGNITUDE(KNOTS) 0.9 1.1 0.7 2.5 3.0 3.4 2.5 2.1 2.0 0.9 1.1 0.1 1.6 WIND STEADINESES (MEAN %) 52.9 31.4 21.2 64.1 51.7 75.6 65.8 56.8 64.5 37.5 37.9 5.0 47.1 WIND SPEED (MEAN KNOTS) 1.7 3.5 3.3 3.9 5.8 4.5 3.8 3.7 3.1 2.4 2.9 2.0 3.4 FASTEST WIND DIRECTION 180 180 310 310 150 310 280 280 310 240 180 100 150 FASTEST WIND SPEED (KNOTS) 14 16 16 17 25 21 14 16 16 14 25 23 25 DAY 3 4 17 24 2 23 12 12 30 1 18 8 DAYS WITH SKY CLEAR (0-2)/8 19 18 20 17 24 30 30 31 30 22 20 12 273 DAYS WITH P.CLOUDY (3-6)/8 8 10 10 11 5 0 1 0 0 9 8 10 72 DAYS WITH CLOUDY (7-8)/8 4 0 1 2 2 0 0 0 0 0 2 9 20 DAYS WITH VISIBILITY =< 2 KM 1 0 0 0 0 0 0 0 0 0 0 3 4 DURATION OF SUNSHINE HOURS 218.8 217.3 273.1 274.0 321.1 372.0 363.9 349.1 314.2 265.1 243.2 147.2 3359.0 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1001.0 999.1 995.5 992.9 986.9 981.1 979.8 982.9 988.2 993.7 999.1 1001.3 991.8 MAX. QFE PRESSURE IN HPA 1007.6 1006.0 1003.1 999.4 992.4 987.6 983.6 986.8 994.8 998.3 1006.4 1008.4 1008.4 DAY-HOUR 30- 6 10- 6 1- 6 1- 6 1- 6 1- 6 28- 6 6- 6 23- 6 20- 6 21- 6 22- 6 MIN. QFE PRESSURE IN HPA 994.6 990.4 985.2 987.3 979.8 976.5 976.2 978.0 982.8 987.8 989.4 993.4 976.2 DAY-HOUR 19-15 18-12 24-15 25-15 28-15 16-15 17-15 3-15 2-15 1- 3 18- 9 5-12 MEAN QNH PRESSURE IN HPA 1018.7 1016.8 1013.1 1010.5 1004.5 998.5 997.2 1000.4 1005.7 1011.3 1016.8 1019.0 1009.4 MAX. QNH PRESSURE IN HPA 1025.4 1023.8 1020.9 1017.1 1010.0 1005.1 1001.1 1004.3 1012.4 1016.0 1024.2 1026.2 1026.2 DAY-HOUR 30- 6 10- 6 1- 6 1- 6 1- 6 1- 6 28- 6 6- 6 23- 6 20- 6 21- 6 22- 6 MIN. QNH PRESSURE IN HPA 1012.2 1008.0 1002.7 1004.8 997.2 993.9 993.6 995.4 1000.3 1005.3 1007.0 1011.0 993.6 DAY-HOUR 19-15 18-12 24-15 25-15 28-15 16-15 17-15 3-15 2-15 1- 3 18- 9 5-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1000.8 999.2 995.5 992.8 987.3 981.6 980.3 983.4 988.2 993.6 999.3 1001.2 991.9 MAX. QFE PRESSURE IN HPA 1006.2 1003.3 1002.2 998.0 990.7 987.0 983.0 986.4 994.0 996.6 1006.0 1007.5 1007.5 DAY 30 10 1 1 1 1 28 6 23 24 20 23 MIN. QFE PRESSURE IN HPA 996.2 991.0 986.2 987.4 981.7 978.4 977.8 979.8 983.7 987.8 990.0 994.0 977.8 DAY 19 21 25 26 28 12 18 24 2 1 18 5 MEAN QNH PRESSURE IN HPA 1018.5 1016.9 1013.2 1010.4 1004.8 999.1 997.7 1000.9 1005.7 1011.2 1017.0 1019.0 1009.5 MAX. QNH PRESSURE IN HPA 1024.0 1021.1 1020.0 1015.7 1008.3 1004.5 1000.5 1003.9 1011.6 1014.3 1023.8 1025.3 1025.3 DAY 30 10 1 1 1 1 28 6 23 24 20 23 MIN. QNH PRESSURE IN HPA 1013.9 1008.6 1003.7 1004.9 999.2 995.8 995.2 997.2 1001.2 1005.3 1007.6 1011.6 995.2 DAY 19 21 25 26 28 12 18 24 2 1 18 5 MEAN QFF PRESSURE IN HPA 1018.9 1017.1 1013.0 1010.0 1004.0 998.0 996.5 999.6 1004.8 1010.6 1017.0 1019.1 1009.0 MAX. QFF PRESSURE IN HPA 1024.6 1021.1 1020.0 1015.2 1007.6 1003.5 999.2 1002.7 1010.7 1013.7 1024.5 1025.9 1025.9 DAY 30 10 1 1 1 1 28 6 23 24 20 23 MIN. QFF PRESSURE IN HPA 1014.0 1008.6 1003.4 1004.1 998.2 994.6 994.0 995.9 1000.2 1004.4 1007.2 1011.6 994.0 DAY 19 21 25 26 28 16 18 24 2 1 18 5 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1002.1 1000.3 996.8 994.0 988.1 982.2 980.8 984.3 989.5 995.1 1000.5 1002.5 993.0 MAX. QFE PRESSURE IN HPA 1007.6 1006.0 1003.1 999.4 992.4 987.6 983.6 986.8 994.8 998.3 1006.4 1008.4 1008.4 DAY 30 10 1 1 1 1 28 6 23 20 21 22 MIN. QFE PRESSURE IN HPA 998.0 992.0 986.4 988.4 982.4 979.0 978.4 980.7 984.6 989.4 991.4 994.0 978.4 DAY 26 21 25 26 28 16 17 24 2 1 18 5 MEAN QNH PRESSURE IN HPA 1019.8 1018.0 1014.5 1011.7 1005.6 999.7 998.3 1001.8 1007.1 1012.7 1018.3 1020.2 1010.6 MAX. QNH PRESSURE IN HPA 1025.4 1023.8 1020.9 1017.1 1010.0 1005.1 1001.1 1004.3 1012.4 1016.0 1024.2 1026.2 1026.2 DAY 30 10 1 1 1 1 28 6 23 20 21 22 MIN. QNH PRESSURE IN HPA 1015.7 1009.6 1003.9 1005.9 999.9 996.4 995.8 998.1 1002.1 1007.0 1009.0 1011.6 995.8 DAY 26 21 25 26 28 16 17 24 2 1 18 5 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1001.6 999.8 996.5 993.6 987.6 981.8 980.4 983.6 988.9 994.3 999.5 1001.6 992.4 MAX. QFE PRESSURE IN HPA 1007.3 1003.8 1002.8 999.0 992.3 987.0 983.0 986.0 994.4 998.3 1005.8 1007.8 1007.8 DAY 30 10 2 1 1 1 15 15 22 20 20 22 MIN. QFE PRESSURE IN HPA 996.3 991.8 986.2 990.4 982.0 978.7 978.2 980.0 984.0 989.2 989.4 994.0 978.2 DAY 3 18 25 26 29 16 4 24 2 1 18 5 MEAN QNH PRESSURE IN HPA 1019.4 1017.5 1014.2 1011.3 1005.1 999.2 997.8 1001.1 1006.5 1011.9 1017.2 1019.3 1010.0 MAX. QNH PRESSURE IN HPA 1025.1 1021.6 1020.6 1016.7 1009.9 1004.5 1000.5 1003.5 1012.0 1016.0 1023.6 1025.6 1025.6 DAY 30 10 2 1 1 1 15 15 22 20 20 22 MIN. QNH PRESSURE IN HPA 1014.0 1009.4 1003.7 1008.0 999.5 996.1 995.6 997.4 1001.5 1006.8 1007.0 1011.6 995.6 DAY 3 18 25 26 29 16 4 24 2 1 18 5 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1000.2 998.1 994.4 992.2 986.2 980.2 978.9 981.9 987.3 992.8 998.0 1000.4 990.9 MAX. QFE PRESSURE IN HPA 1005.6 1001.4 1000.2 997.2 990.4 985.3 981.2 984.1 992.4 996.4 1005.0 1006.8 1006.8 DAY 30 10 1 1 1 1 7 5 22 20 20 22 MIN. QFE PRESSURE IN HPA 995.4 990.4 985.8 988.1 980.7 977.1 976.8 978.8 983.0 988.0 989.6 993.4 976.8 DAY 19 18 25 25 29 16 4 24 2 1 18 5 MEAN QNH PRESSURE IN HPA 1017.9 1015.8 1012.0 1009.8 1003.7 997.7 996.3 999.4 1004.9 1010.4 1015.7 1018.1 1008.5 MAX. QNH PRESSURE IN HPA 1023.4 1019.1 1017.9 1014.9 1008.0 1002.8 998.6 1001.6 1010.0 1014.1 1022.8 1024.6 1024.6 DAY 30 10 1 1 1 1 7 5 22 20 20 22 MIN. QNH PRESSURE IN HPA 1013.0 1008.0 1003.3 1005.6 998.1 994.5 994.2 996.2 1000.5 1005.5 1007.2 1011.0 994.2 DAY 19 18 25 25 29 16 4 24 2 1 18 5 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1000.3 998.1 994.2 991.7 985.7 979.7 978.4 981.3 987.0 992.7 998.1 1000.8 990.7 MAX. QFE PRESSURE IN HPA 1005.8 1001.5 1000.2 997.0 989.6 984.2 980.7 983.9 991.8 996.8 1005.6 1007.4 1007.4 DAY 30 10 1 1 4 1 26 5 22 31 20 22 MIN. QFE PRESSURE IN HPA 994.6 991.8 985.2 987.3 979.8 976.5 976.2 978.0 982.8 988.8 990.9 993.6 976.2 DAY 19 18 24 25 28 16 17 3 2 1 17 4 MEAN QNH PRESSURE IN HPA 1018.1 1015.8 1011.9 1009.2 1003.2 997.1 995.8 998.8 1004.5 1010.3 1015.8 1018.5 1008.2 MAX. QNH PRESSURE IN HPA 1023.6 1019.2 1017.9 1014.7 1007.2 1001.7 998.1 1001.4 1009.4 1014.5 1023.4 1025.2 1025.2 DAY 30 10 1 1 4 1 26 5 22 31 20 22 MIN. QNH PRESSURE IN HPA 1012.2 1009.4 1002.7 1004.8 997.2 993.9 993.6 995.4 1000.3 1006.4 1008.5 1011.2 993.6 DAY 19 18 24 25 28 16 17 3 2 1 17 4 MEAN QFF PRESSURE IN HPA 1018.4 1016.0 1011.7 1008.7 1002.3 996.0 994.6 997.5 1003.5 1009.7 1015.8 1018.6 1007.7 MAX. QFF PRESSURE IN HPA 1024.2 1019.4 1017.8 1014.2 1006.6 1000.7 996.9 1000.1 1008.5 1014.1 1023.9 1025.9 1025.9 DAY 30 10 1 1 4 1 26 5 22 31 20 22 MIN. QFF PRESSURE IN HPA 1012.4 1009.4 1002.4 1004.1 996.2 992.7 992.4 994.0 999.3 1005.5 1008.4 1011.2 992.4 DAY 19 18 24 25 28 16 17 3 2 1 17 4 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.0 16.0 21.4 25.1 34.9 38.7 40.9 39.5 36.2 31.7 21.7 15.0 27.8 MINIMUN AIR TEMPERATURE (C) 8.4 10.0 14.5 18.4 25.2 28.1 30.8 29.6 26.7 23.0 15.2 10.3 20.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 7 30 30 31 31 30 24 1 0 184 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 4.0 5.4 7.6 13.0 19.4 22.8 26.8 25.0 24.8 17.0 10.2 3.8 3.8 DAY 13 1 1 4 5 8 2 31 10 25 27 23 MAXIMUM AIR TEMPERATURE (C) 17.0 20.4 26.3 29.9 40.4 44.5 46.7 46.1 42.9 37.9 26.7 19.2 33.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 4 15 31 30 31 31 30 31 4 0 207 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.0 25.4 32.0 40.0 45.2 47.4 49.2 49.0 47.0 42.0 31.0 24.4 49.2 DAY 3 24 26 28 25 17 21 4 2 6 8 9 DIF. BETWEEN (MAX.-MIN.) (C) 8.6 10.4 11.8 11.5 15.2 16.4 15.9 16.5 16.2 14.9 11.5 8.9 13.2 MEAN DAILY TEMP. (MDT) (C) 12.7 15.2 20.4 24.2 32.8 36.3 38.8 37.8 34.8 30.5 20.9 14.8 26.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.5 22.2 103.2 366.5 459.0 550.4 521.7 414.0 293.7 33.1 1.4 2765.7 HEATING DEG. DAYS(BASE 18 0C) 165.0 84.1 8.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.9 108.7 369.9 DEWPOINT (MEAN C) 8.0 7.9 9.0 10.9 7.8 7.3 9.2 8.7 9.2 7.4 8.3 8.6 8.5 MIXING RATIO (G/KG) 6.89 6.82 7.49 8.56 6.99 6.70 7.62 7.30 7.57 6.69 7.12 7.26 7.25 VAPOUR PRESSURE (HPA) 10.97 10.84 11.83 13.46 10.96 10.47 11.87 11.38 11.88 10.57 11.28 11.53 11.42 SATURATION DEF. (HPA) 4.43 7.88 14.58 19.98 47.40 61.07 68.19 63.47 50.71 38.30 15.49 6.15 33.14 RELATIVE HUMIDITY (MEAN %) 73 61 48 45 21 16 16 17 21 24 45 67 38 RELATIVE HUMIDITY (MAX. %) 88 77 63 64 36 28 29 29 33 35 64 83 52 RELATIVE HUMIDITY (MIN. %) 58 46 34 32 14 11 10 11 13 16 31 51 27 RELATIVE HUMIDITY (MEAN% 03UTC) 86 75 62 62 35 28 29 29 33 35 63 81 52 RELATIVE HUMIDITY (MEAN% 09UTC) 66 58 41 36 15 12 12 13 17 18 36 59 32 RELATIVE HUMIDITY (MEAN% 15UTC) 74 57 46 42 19 14 13 13 18 24 42 68 36 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 88.1 34.0 32.1 69.8 3.0 0.0 0.0 0.0 0.0 0.0 5.9 153.2 386.1 DAYS WITH PRECIPITATION >=10 3 1 1 2 0 0 0 0 0 0 0 5 12 DAYS WITH PRECIPITATION >= 5 5 3 2 3 0 0 0 0 0 0 0 5 18 DAYS WITH PRECIPITATION >= 1 8 4 4 7 1 0 0 0 0 0 4 8 36 DAYS WITH PRECIPITATION 10 4 6 10 1 0 0 0 0 0 5 10 46 GREATEST DAILY PRECIPITATION 39.0 20.0 17.0 31.0 3.0 0.0 0.0 0.0 0.0 0.0 2.4 54.0 54.0 DAY 8 20 18 12 12 ** ** ** ** ** 1 10 DAY WITH THUNDER STORM 4 0 1 4 1 0 0 0 0 0 4 3 17 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 0 3 1 0 1 2 0 0 0 2 9 WIND DIRECTION (PREVAILING) 315 315 315 315 315 315 270 270 315 315 315 315 315 PREVAILING WIND SPEED(KNOTS) 6.3 5.6 4.0 7.4 7.9 5.8 6.3 5.9 5.3 5.5 4.6 5.6 6.1 PREVAILING WIND PERCENT 14.8 10.0 9.7 14.7 23.2 24.0 22.6 21.3 14.0 10.3 12.0 14.2 14.7 CALMS PERCENT OF WIND 67.7 66.4 65.2 43.3 40.0 42.0 45.2 48.4 62.7 73.5 66.0 65.8 57.2 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 263 234 226 296 301 282 272 280 280 294 294 199 279 VECTOR WIND MAGNITUDE(KNOTS) 0.6 0.5 0.4 0.6 2.7 2.4 2.5 2.2 1.4 0.8 0.4 0.5 1.2 WIND STEADINESES (MEAN %) 27.3 26.3 23.5 16.2 61.4 75.0 75.8 73.3 77.8 61.5 23.5 20.8 46.2 WIND SPEED (MEAN KNOTS) 2.2 1.9 1.7 3.7 4.4 3.2 3.3 3.0 1.8 1.3 1.7 2.4 2.6 FASTEST WIND DIRECTION 150 180 170 40 310 310 180 340 310 340 180 160 160 FASTEST WIND SPEED (KNOTS) 17 17 14 17 19 14 16 16 12 14 14 23 23 DAY 7 12 26 29 6 1 24 5 5 5 13 9 DAYS WITH SKY CLEAR (0-2)/8 17 15 19 11 23 29 30 30 29 25 21 14 263 DAYS WITH P.CLOUDY (3-6)/8 9 11 8 12 8 1 1 1 1 6 7 12 77 DAYS WITH CLOUDY (7-8)/8 5 2 4 7 0 0 0 0 0 0 2 5 25 DAYS WITH VISIBILITY =< 2 KM 7 1 0 0 0 0 0 0 0 0 1 4 13 DURATION OF SUNSHINE HOURS 193.2 212.0 260.5 195.9 330.4 361.3 379.1 356.6 319.3 275.6 225.8 180.0 3289.7 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1001.7 1001.0 996.2 992.9 988.1 983.3 981.7 981.7 988.5 993.8 998.9 1000.8 992.4 MAX. QFE PRESSURE IN HPA 1008.0 1010.5 1004.4 998.6 993.8 990.1 984.8 988.4 994.9 999.0 1004.6 1010.2 1010.5 DAY-HOUR 25- 6 1- 9 11- 6 6- 6 16- 6 7- 6 5- 6 29- 6 21- 9 26- 6 29- 6 14- 6 MIN. QFE PRESSURE IN HPA 992.0 991.2 987.1 985.2 983.4 977.5 976.2 976.8 984.0 989.1 991.7 990.1 976.2 DAY-HOUR 11-15 25- 3 28-12 19-15 28-15 17-15 22-15 10-15 7-15 13-15 12-15 21- 3 MEAN QNH PRESSURE IN HPA 1019.4 1018.7 1013.9 1010.5 1005.7 1000.8 999.2 999.2 1006.0 1011.4 1016.6 1018.5 1010.0 MAX. QNH PRESSURE IN HPA 1025.8 1028.4 1022.2 1016.3 1011.4 1007.7 1002.3 1005.9 1012.5 1016.7 1022.4 1028.1 1028.4 DAY-HOUR 25- 6 1- 9 11- 6 6- 6 16- 6 7- 6 5- 6 29- 6 21- 9 26- 6 29- 6 14- 6 MIN. QNH PRESSURE IN HPA 1009.6 1008.8 1004.6 1002.7 1000.9 994.9 993.6 994.2 1001.5 1006.7 1009.3 1007.7 993.6 DAY-HOUR 11-15 25- 3 28-12 19-15 28-15 17-15 22-15 10-15 7-15 13-15 12-15 21- 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1001.4 1000.7 996.2 992.8 988.2 983.7 982.1 982.0 988.6 994.0 998.9 1000.6 992.4 MAX. QFE PRESSURE IN HPA 1006.6 1008.6 1003.4 998.2 993.0 990.0 984.0 987.4 993.8 997.5 1003.6 1009.5 1009.5 DAY 25 2 11 1 17 7 1 30 21 26 29 14 MIN. QFE PRESSURE IN HPA 995.2 991.2 989.0 985.6 984.0 979.0 977.8 978.0 984.6 990.2 992.4 990.1 977.8 DAY 21 25 26 3 21 17 23 14 6 13 13 21 MEAN QNH PRESSURE IN HPA 1019.1 1018.5 1013.9 1010.4 1005.8 1001.2 999.5 999.4 1006.2 1011.7 1016.6 1018.3 1010.1 MAX. QNH PRESSURE IN HPA 1024.4 1026.4 1021.2 1015.9 1010.6 1007.6 1001.5 1004.9 1011.4 1015.2 1021.4 1027.4 1027.4 DAY 25 2 11 1 17 7 1 30 21 26 29 14 MIN. QNH PRESSURE IN HPA 1012.9 1008.8 1006.6 1003.1 1001.5 996.4 995.2 995.4 1002.1 1007.8 1010.0 1007.7 995.2 DAY 21 25 26 3 21 17 23 14 6 13 13 21 MEAN QFF PRESSURE IN HPA 1019.5 1018.7 1013.8 1010.0 1004.9 1000.1 998.3 998.3 1005.2 1011.0 1016.5 1018.6 1009.6 MAX. QFF PRESSURE IN HPA 1025.1 1027.0 1021.1 1015.8 1009.9 1006.6 1000.3 1004.0 1010.5 1014.8 1021.4 1027.9 1027.9 DAY 25 2 11 1 17 7 1 30 21 26 29 14 MIN. QFF PRESSURE IN HPA 1013.0 1008.6 1006.1 1002.7 1000.5 995.2 993.8 994.2 1001.1 1007.1 1009.6 1007.7 993.8 DAY 21 25 26 3 21 17 23 14 6 13 13 21 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1002.7 1002.3 997.4 993.8 989.3 984.5 982.7 982.9 989.6 995.2 1000.2 1002.1 993.6 MAX. QFE PRESSURE IN HPA 1008.0 1010.3 1004.4 998.6 993.8 990.1 984.8 988.4 994.6 999.0 1004.6 1010.2 1010.3 DAY 25 1 11 6 16 7 5 29 21 26 29 14 MIN. QFE PRESSURE IN HPA 994.8 993.4 988.0 988.4 986.0 979.5 979.0 978.8 986.0 991.0 994.4 990.8 978.8 DAY 21 25 28 3 19 17 24 7 6 13 13 21 MEAN QNH PRESSURE IN HPA 1020.5 1020.0 1015.1 1011.4 1006.9 1002.0 1000.1 1000.4 1007.2 1012.9 1017.9 1019.8 1011.2 MAX. QNH PRESSURE IN HPA 1025.8 1028.2 1022.2 1016.3 1011.4 1007.7 1002.3 1005.9 1012.2 1016.7 1022.4 1028.1 1028.2 DAY 25 1 11 6 16 7 5 29 21 26 29 14 MIN. QNH PRESSURE IN HPA 1012.4 1011.0 1005.5 1005.9 1003.5 996.9 996.4 996.2 1003.5 1008.6 1012.0 1008.4 996.2 DAY 21 25 28 3 19 17 24 7 6 13 13 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1002.3 1001.9 997.0 993.7 988.7 984.0 982.3 982.4 989.2 994.5 999.4 1001.2 993.0 MAX. QFE PRESSURE IN HPA 1007.8 1010.5 1003.8 997.6 993.2 989.5 984.6 988.2 994.9 998.4 1003.4 1009.2 1010.5 DAY 24 1 11 6 16 7 5 29 21 26 29 14 MIN. QFE PRESSURE IN HPA 993.6 994.0 988.0 987.7 985.0 979.5 978.6 978.4 985.8 990.8 993.5 991.0 978.4 DAY 21 25 28 19 20 17 22 7 6 13 13 21 MEAN QNH PRESSURE IN HPA 1020.1 1019.6 1014.6 1011.3 1006.3 1001.5 999.8 999.9 1006.8 1012.1 1017.1 1018.9 1010.7 MAX. QNH PRESSURE IN HPA 1025.6 1028.4 1021.6 1015.3 1010.8 1007.1 1002.1 1005.7 1012.5 1016.1 1021.2 1027.1 1028.4 DAY 24 1 11 6 16 7 5 29 21 26 29 14 MIN. QNH PRESSURE IN HPA 1011.2 1011.6 1005.5 1005.2 1002.5 996.9 996.0 995.8 1003.3 1008.4 1011.1 1008.6 995.8 DAY 21 25 28 19 20 17 22 7 6 13 13 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1001.0 1000.0 995.4 992.4 987.5 982.6 981.1 980.9 987.6 992.7 997.8 999.8 991.6 MAX. QFE PRESSURE IN HPA 1006.8 1008.4 1002.0 998.2 992.2 988.4 983.4 986.7 993.3 997.2 1001.8 1007.8 1008.4 DAY 24 1 11 1 16 3 5 29 21 26 29 14 MIN. QFE PRESSURE IN HPA 992.3 993.1 987.1 987.6 984.0 978.0 976.6 977.2 984.2 989.3 992.1 990.3 976.6 DAY 21 25 28 18 28 17 22 10 18 13 12 21 MEAN QNH PRESSURE IN HPA 1018.7 1017.7 1013.0 1010.1 1005.0 1000.1 998.5 998.4 1005.1 1010.4 1015.5 1017.5 1009.2 MAX. QNH PRESSURE IN HPA 1024.6 1026.2 1019.7 1015.9 1009.8 1005.9 1000.9 1004.2 1010.9 1014.9 1019.5 1025.6 1026.2 DAY 24 1 11 1 16 3 5 29 21 26 29 14 MIN. QNH PRESSURE IN HPA 1009.9 1010.7 1004.6 1005.1 1001.5 995.4 994.0 994.6 1001.7 1006.9 1009.7 1007.9 994.0 DAY 21 25 28 18 28 17 22 10 18 13 12 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1001.1 1000.0 995.1 991.8 986.9 982.0 980.5 980.6 987.3 992.7 998.0 1000.1 991.3 MAX. QFE PRESSURE IN HPA 1007.1 1008.4 1002.0 997.6 991.7 987.6 982.8 986.4 992.6 997.0 1002.2 1007.0 1008.4 DAY 24 1 11 1 16 3 5 29 21 26 29 14 MIN. QFE PRESSURE IN HPA 992.0 992.8 987.1 985.2 983.4 977.5 976.2 976.8 984.0 989.1 991.7 992.2 976.2 DAY 11 24 28 19 28 17 22 10 7 13 12 21 MEAN QNH PRESSURE IN HPA 1018.9 1017.7 1012.8 1009.4 1004.4 999.4 998.0 998.0 1004.9 1010.3 1015.6 1017.8 1008.9 MAX. QNH PRESSURE IN HPA 1024.9 1026.2 1019.7 1015.3 1009.3 1005.1 1000.3 1003.9 1010.2 1014.7 1020.0 1024.8 1026.2 DAY 24 1 11 1 16 3 5 29 21 26 29 14 MIN. QNH PRESSURE IN HPA 1009.6 1010.4 1004.6 1002.7 1000.9 994.9 993.6 994.2 1001.5 1006.7 1009.3 1009.8 993.6 DAY 11 24 28 19 28 17 22 10 7 13 12 21 MEAN QFF PRESSURE IN HPA 1019.2 1017.9 1012.6 1009.0 1003.6 998.3 996.7 996.9 1003.9 1009.6 1015.5 1018.1 1008.5 MAX. QFF PRESSURE IN HPA 1025.5 1026.8 1019.6 1015.1 1008.6 1004.1 999.1 1002.8 1009.3 1014.3 1020.0 1025.5 1026.8 DAY 24 1 11 1 16 3 16 29 21 26 29 14 MIN. QFF PRESSURE IN HPA 1009.8 1010.4 1004.3 1002.2 999.9 993.7 992.2 993.0 1000.4 1005.9 1009.0 1009.8 992.2 DAY 11 24 28 19 28 17 22 10 7 13 12 21 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MEANS AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 14.1 16.5 19.9 28.0 34.3 39.2 39.8 40.1 36.1 31.3 21.5 15.6 28.0 MINIMUN AIR TEMPERATURE (C) 9.2 10.8 13.0 20.4 25.4 29.4 30.6 30.8 26.3 23.0 14.6 11.0 20.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 14 28 30 31 31 30 25 2 0 191 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 5.0 5.0 5.4 14.8 16.6 26.0 28.6 27.0 22.4 16.6 8.2 5.0 5.0 DAY 20 18 2 3 1 7 1 30 22 31 15 22 MAXIMUM AIR TEMPERATURE (C) 18.2 21.1 25.3 33.4 39.4 45.1 45.7 46.2 42.4 37.0 26.8 19.9 33.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 3 25 31 30 31 31 30 30 9 0 220 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.8 27.0 31.6 39.0 43.6 48.4 47.4 49.0 47.0 41.4 32.8 25.0 49.0 DAY 9 24 31 9 22 15 10 11 3 1 7 19 DIF. BETWEEN (MAX.-MIN.) (C) 9.0 10.3 12.3 13.0 14.0 15.7 15.1 15.4 16.1 14.0 12.2 8.9 13.0 MEAN DAILY TEMP. (MDT) (C) 13.7 16.0 19.2 26.9 32.4 37.2 38.2 38.5 34.4 30.0 20.7 15.5 26.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 15.2 176.3 353.2 486.6 532.1 543.8 400.8 279.2 42.5 0.3 2830.0 HEATING DEG. DAYS(BASE 18 0C) 132.8 63.1 23.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 16.0 85.0 320.0 DEWPOINT (MEAN C) 7.6 6.3 6.0 9.3 6.5 7.9 9.6 12.9 7.5 8.0 4.6 9.4 8.0 MIXING RATIO (G/KG) 6.65 6.23 6.14 7.66 6.31 6.95 7.86 10.04 6.75 6.96 5.60 7.61 7.06 VAPOUR PRESSURE (HPA) 10.59 9.88 9.72 12.06 9.93 10.85 12.22 15.58 10.59 10.99 8.90 12.10 11.12 SATURATION DEF. (HPA) 5.92 9.44 14.44 27.17 46.13 62.41 63.25 60.93 51.51 36.42 17.99 6.13 33.48 RELATIVE HUMIDITY (MEAN %) 67 53 43 34 20 16 18 23 19 25 35 70 35 RELATIVE HUMIDITY (MAX. %) 83 72 63 51 33 27 29 38 30 37 50 85 50 RELATIVE HUMIDITY (MIN. %) 53 38 29 22 13 10 12 13 12 17 24 56 25 RELATIVE HUMIDITY (MEAN% 03UTC) 82 69 60 50 32 27 29 38 30 36 49 83 49 RELATIVE HUMIDITY (MEAN% 09UTC) 59 45 34 26 14 12 13 18 14 19 29 63 29 RELATIVE HUMIDITY (MEAN% 15UTC) 68 51 41 30 18 15 15 16 16 26 37 71 34 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 71.0 22.6 19.1 10.4 0.0 0.0 0.0 0.0 0.0 0.0 4.5 51.6 179.2 DAYS WITH PRECIPITATION >=10 3 1 1 0 0 0 0 0 0 0 0 2 7 DAYS WITH PRECIPITATION >= 5 3 2 1 0 0 0 0 0 0 0 0 2 8 DAYS WITH PRECIPITATION >= 1 8 3 2 5 0 0 0 0 0 0 3 7 28 DAYS WITH PRECIPITATION 9 6 6 5 0 0 0 0 0 0 4 8 38 GREATEST DAILY PRECIPITATION 36.0 10.0 16.0 3.8 0.0 0.0 0.0 0.0 0.0 0.0 2.0 19.0 36.0 DAY 4 4 26 14 ** ** ** ** ** ** 30 2 DAY WITH THUNDER STORM 0 0 1 1 0 0 0 0 0 0 1 0 3 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 1 8 9 12 3 20 5 2 6 3 1 70 WIND DIRECTION (PREVAILING) 315 315 315 180 315 315 270 225 315 315 315 315 315 PREVAILING WIND SPEED(KNOTS) 6.1 5.2 6.8 10.0 7.4 9.0 7.3 5.7 5.9 5.3 5.5 5.2 6.6 PREVAILING WIND PERCENT 12.3 18.6 15.5 17.3 16.8 27.3 29.7 19.4 22.7 16.1 10.7 12.3 15.1 CALMS PERCENT OF WIND 69.7 52.9 50.3 42.7 41.9 43.3 42.6 44.5 52.0 56.1 58.0 65.2 51.6 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 266 226 255 193 292 291 270 232 292 230 231 259 263 VECTOR WIND MAGNITUDE(KNOTS) 0.2 0.8 0.6 1.4 2.5 3.5 3.1 2.1 2.0 1.3 0.9 0.6 1.3 WIND STEADINESES (MEAN %) 10.5 25.8 18.2 29.8 56.8 79.5 81.6 70.0 74.1 44.8 34.6 35.3 40.6 WIND SPEED (MEAN KNOTS) 1.9 3.1 3.3 4.7 4.4 4.4 3.8 3.0 2.7 2.9 2.6 1.7 3.2 FASTEST WIND DIRECTION 150 160 190 180 30 310 270 240 310 160 160 160 160 FASTEST WIND SPEED (KNOTS) 23 25 19 19 19 19 16 14 14 23 17 14 25 DAY 28 20 19 16 8 10 2 18 20 29 9 19 DAYS WITH SKY CLEAR (0-2)/8 18 14 12 11 22 26 31 30 30 25 18 15 252 DAYS WITH P.CLOUDY (3-6)/8 9 12 15 17 9 3 0 1 0 6 9 12 93 DAYS WITH CLOUDY (7-8)/8 4 2 4 2 0 1 0 0 0 0 3 4 20 DAYS WITH VISIBILITY =< 2 KM 3 0 1 0 3 0 0 2 0 0 0 7 16 DURATION OF SUNSHINE HOURS 198.2 198.3 179.7 180.3 227.5 262.1 355.7 350.6 325.5 282.0 229.5 156.0 2945.4 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1001.2 997.6 996.2 992.9 989.9 982.7 979.7 982.2 987.4 994.1 999.3 1001.9 992.1 MAX. QFE PRESSURE IN HPA 1008.5 1006.0 1006.0 999.3 996.8 991.2 985.5 986.7 993.5 1000.6 1006.8 1008.8 1008.8 DAY-HOUR 6- 6 6- 6 2- 6 29- 6 10- 9 2-15 3- 6 29- 6 27- 6 31- 6 25- 6 30- 6 MIN. QFE PRESSURE IN HPA 988.2 988.4 982.7 985.0 982.6 975.6 976.5 978.5 981.3 988.9 992.3 991.4 975.6 DAY-HOUR 28-12 19-12 12-12 27-12 28-15 30-15 7-15 20-15 3-15 1-15 8-15 6- 3 MEAN QNH PRESSURE IN HPA 1018.9 1015.2 1013.9 1010.5 1007.5 1000.2 997.1 999.7 1004.9 1011.8 1017.0 1019.6 1009.7 MAX. QNH PRESSURE IN HPA 1026.3 1023.8 1023.8 1017.0 1014.5 1008.8 1003.0 1004.2 1011.1 1018.3 1024.6 1026.6 1026.6 DAY-HOUR 6- 6 6- 6 2- 6 29- 6 10- 9 2-15 3- 6 29- 6 27- 6 31- 6 25- 6 30- 6 MIN. QNH PRESSURE IN HPA 1005.7 1005.9 1000.2 1002.5 1000.1 993.0 993.9 995.9 998.7 1006.5 1009.9 1009.0 993.0 DAY-HOUR 28-12 19-12 12-12 27-12 28-15 30-15 7-15 20-15 3-15 1-15 8-15 6- 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1000.9 997.4 996.3 992.9 990.2 983.1 980.0 982.6 987.5 994.3 999.3 1001.7 992.2 MAX. QFE PRESSURE IN HPA 1007.2 1004.1 1004.5 998.6 995.4 990.0 984.2 985.8 992.2 999.6 1005.4 1007.1 1007.2 DAY 7 6 2 29 11 4 3 29 27 31 25 30 MIN. QFE PRESSURE IN HPA 992.0 988.6 985.2 988.4 985.3 977.2 977.4 979.7 982.5 989.4 993.0 991.4 977.2 DAY 28 20 26 28 29 30 7 21 5 1 9 6 MEAN QNH PRESSURE IN HPA 1018.7 1015.0 1014.0 1010.5 1007.8 1000.6 997.4 1000.0 1005.0 1011.9 1017.0 1019.5 1009.8 MAX. QNH PRESSURE IN HPA 1025.0 1021.9 1022.3 1016.3 1013.0 1007.6 1001.7 1003.3 1009.8 1017.3 1023.2 1024.9 1025.0 DAY 7 6 2 29 11 4 3 29 27 31 25 30 MIN. QNH PRESSURE IN HPA 1009.6 1006.2 1002.7 1005.9 1002.8 994.6 994.8 997.1 1000.0 1007.0 1010.6 1009.0 994.6 DAY 28 20 26 28 29 30 7 21 5 1 9 6 MEAN QFF PRESSURE IN HPA 1019.0 1015.2 1014.0 1010.0 1007.0 999.5 996.2 998.8 1004.1 1011.3 1016.9 1019.7 1009.3 MAX. QFF PRESSURE IN HPA 1025.3 1022.3 1022.8 1016.0 1012.4 1006.5 1000.4 1002.3 1008.9 1017.0 1023.2 1025.4 1025.4 DAY 7 6 2 29 11 3 3 29 27 31 25 30 MIN. QFF PRESSURE IN HPA 1009.7 1006.1 1002.5 1005.3 1001.9 993.4 993.5 995.9 998.9 1006.2 1010.3 1008.9 993.4 DAY 28 20 26 28 29 30 7 21 5 1 9 6 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1002.3 998.7 997.4 994.2 991.1 983.8 980.7 983.4 988.6 995.6 1000.6 1003.1 993.3 MAX. QFE PRESSURE IN HPA 1008.5 1006.0 1006.0 999.3 995.6 990.5 985.5 986.7 993.5 1000.6 1006.8 1008.8 1008.8 DAY 6 6 2 29 1 3 3 29 27 31 25 30 MIN. QFE PRESSURE IN HPA 990.6 988.6 987.8 988.8 986.3 977.6 978.3 980.8 984.0 991.4 994.3 992.8 977.6 DAY 28 20 12 20 28 30 7 21 4 1 9 6 MEAN QNH PRESSURE IN HPA 1020.1 1016.4 1015.1 1011.8 1008.7 1001.3 998.1 1000.9 1006.1 1013.2 1018.3 1020.8 1010.9 MAX. QNH PRESSURE IN HPA 1026.3 1023.8 1023.8 1017.0 1013.3 1008.1 1003.0 1004.2 1011.1 1018.3 1024.6 1026.6 1026.6 DAY 6 6 2 29 1 3 3 29 27 31 25 30 MIN. QNH PRESSURE IN HPA 1008.2 1006.2 1005.3 1006.4 1003.8 995.0 995.7 998.2 1001.5 1009.0 1011.9 1010.4 995.0 DAY 28 20 12 20 28 30 7 21 4 1 9 6 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1001.8 998.3 997.0 993.7 990.6 983.3 980.4 982.9 988.2 994.7 1000.0 1002.2 992.7 MAX. QFE PRESSURE IN HPA 1008.0 1005.6 1005.4 998.7 996.8 991.0 985.3 986.4 992.7 1000.0 1006.4 1008.0 1008.0 DAY 6 6 2 29 10 2 3 29 27 31 25 30 MIN. QFE PRESSURE IN HPA 989.0 988.6 984.0 987.0 985.1 977.2 978.4 980.5 983.5 990.6 994.0 992.8 977.2 DAY 28 20 12 27 28 30 10 21 4 7 9 6 MEAN QNH PRESSURE IN HPA 1019.5 1016.0 1014.7 1011.3 1008.2 1000.8 997.8 1000.4 1005.7 1012.3 1017.7 1020.0 1010.4 MAX. QNH PRESSURE IN HPA 1025.8 1023.4 1023.2 1016.4 1014.5 1008.6 1002.8 1003.9 1010.3 1017.7 1024.2 1025.8 1025.8 DAY 6 6 2 29 10 2 3 29 27 31 25 30 MIN. QNH PRESSURE IN HPA 1006.6 1006.2 1001.5 1004.5 1002.6 994.6 995.8 997.9 1001.0 1008.2 1011.6 1010.4 994.6 DAY 28 20 12 27 28 30 10 21 4 7 9 6 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1000.3 996.7 995.3 992.1 989.1 981.9 979.0 981.3 986.5 993.2 998.3 1000.8 991.2 MAX. QFE PRESSURE IN HPA 1006.8 1003.6 1004.0 997.2 994.4 991.0 983.4 985.0 991.2 999.2 1004.6 1006.8 1006.8 DAY 6 6 2 23 10 2 3 29 27 31 25 30 MIN. QFE PRESSURE IN HPA 988.2 988.4 982.7 985.0 983.1 976.0 977.1 978.9 981.4 989.4 992.6 993.0 976.0 DAY 28 19 12 27 28 30 7 20 3 1 8 6 MEAN QNH PRESSURE IN HPA 1018.1 1014.3 1012.9 1009.7 1006.7 999.4 996.4 998.8 1004.0 1010.8 1016.0 1018.5 1008.8 MAX. QNH PRESSURE IN HPA 1024.6 1021.4 1021.8 1014.9 1012.0 1008.6 1000.9 1002.5 1008.8 1016.9 1022.4 1024.6 1024.6 DAY 6 6 2 23 10 2 3 29 27 31 25 30 MIN. QNH PRESSURE IN HPA 1005.7 1005.9 1000.2 1002.5 1000.6 993.4 994.5 996.3 998.8 1007.0 1010.2 1010.6 993.4 DAY 28 19 12 27 28 30 7 20 3 1 8 6 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1000.7 996.8 995.1 991.7 988.6 981.6 978.4 980.9 986.2 993.0 998.5 1001.5 991.1 MAX. QFE PRESSURE IN HPA 1006.8 1003.2 1003.4 997.2 993.2 991.2 982.4 984.6 990.6 999.2 1004.4 1007.4 1007.4 DAY 6 6 1 23 10 2 3 29 27 31 25 29 MIN. QFE PRESSURE IN HPA 990.6 989.4 984.8 985.6 982.6 975.6 976.5 978.5 981.3 988.9 992.3 994.4 975.6 DAY 28 19 12 20 28 30 7 20 3 1 8 5 MEAN QNH PRESSURE IN HPA 1018.4 1014.4 1012.8 1009.3 1006.2 999.0 995.8 998.3 1003.8 1010.7 1016.2 1019.2 1008.7 MAX. QNH PRESSURE IN HPA 1024.6 1021.0 1021.2 1014.9 1010.8 1008.8 999.9 1002.1 1008.2 1016.9 1022.2 1025.2 1025.2 DAY 6 6 1 23 10 2 3 29 27 31 25 29 MIN. QNH PRESSURE IN HPA 1008.2 1007.0 1002.3 1003.1 1000.1 993.0 993.9 995.9 998.7 1006.5 1009.9 1012.0 993.0 DAY 28 19 12 20 28 30 7 20 3 1 8 5 MEAN QFF PRESSURE IN HPA 1018.7 1014.6 1012.7 1008.8 1005.3 997.9 994.6 997.1 1002.9 1010.0 1016.2 1019.4 1008.2 MAX. QFF PRESSURE IN HPA 1024.9 1021.3 1021.7 1014.5 1010.2 1007.9 998.5 1001.1 1007.3 1016.8 1022.1 1025.6 1025.6 DAY 6 6 1 23 10 2 3 29 27 31 25 29 MIN. QFF PRESSURE IN HPA 1008.3 1007.0 1002.0 1002.5 999.0 991.8 992.6 994.7 997.6 1005.6 1009.6 1012.0 991.8 DAY 28 19 12 20 28 30 7 20 3 1 8 5 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1987-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.0 15.3 19.4 26.5 34.1 38.3 40.0 39.4 35.6 29.8 21.4 15.5 27.4 MINIMUN AIR TEMPERATURE (C) 8.2 9.4 12.7 18.3 24.2 27.6 30.1 29.7 25.9 21.4 14.6 10.3 19.4 DAYS WITH MINIMUM TEMP. >=21 0.0 0.0 0.2 6.8 26.0 30.0 31.0 31.0 29.6 18.4 0.8 0.0 173.8 DAYS WITH MINIMUM TEMP. <=-4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 DAYS WITH FREEZING MIN.<= 0 0.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 TEMPERATURE RECORDS LOWEST(C) -0.6 -0.8 2.8 7.6 15.6 21.6 23.4 22.6 18.4 13.4 2.2 0.6 -0.8 YEAR-DAY 89- 5 97- 7 92- 1 97-12 97- 6 91- 4 94- 1 87-28 95-22 87-28 88-15 88-30 97- 7 MAXIMUM AIR TEMPERATURE (C) 17.0 19.8 24.1 31.9 39.5 44.3 45.9 45.6 41.9 35.6 26.6 19.8 32.7 DAYS WITH MAXIMUM TEMP. >=30 0.0 0.1 1.8 20.5 30.9 29.9 30.9 31.0 30.0 29.5 6.4 0.1 211.1 DAYS WITH MAXIMUM TEMP. <= 0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 TEMPERATURE RECORDS HIGHEST(C) 27.2 31.0 34.6 40.8 47.8 50.6 51.6 51.4 48.6 43.0 35.0 31.0 51.6 YEAR-DAY 94- 2 97-21 1-31 94-29 99-30 0-30 0-16 1- 4 99- 1 96- 1 91- 1 98-17 0-16 DIF. BETWEEN (MAX.-MIN.) (C) 8.8 10.4 11.4 13.6 15.3 16.7 15.8 15.9 16.0 14.2 12.0 9.5 13.3 MEAN DAILY TEMP. (MDT) (C) 12.6 14.6 18.4 25.1 31.8 36.0 38.0 37.7 33.9 28.5 20.6 15.1 26.0 STANDARD DEVIATION OF MDT(C) 1.66 1.21 1.47 1.75 1.36 1.11 1.21 1.41 0.80 1.22 0.93 1.90 1.33 COOLING DEG. DAYS(BASE 21 0C) 0.2 0.4 9.8 131.0 336.1 448.6 526.5 516.4 387.6 232.5 35.0 0.4 2624.5 HEATING DEG. DAYS(BASE 18 0C) 168.4 100.0 31.7 1.0 0.0 0.0 0.0 0.0 0.0 0.0 15.8 100.1 417.0 DEWPOINT (MEAN C) 7.3 6.4 8.2 9.4 8.0 8.2 10.8 12.0 9.2 8.5 7.7 8.5 8.7 MIXING RATIO (G/KG) 6.56 6.35 7.13 7.77 7.09 7.18 8.64 9.43 7.77 7.29 6.94 7.19 7.44 VAPOUR PRESSURE (HPA) 10.44 10.09 11.28 12.25 11.16 11.22 13.43 14.66 12.18 11.52 11.01 11.44 11.72 SATURATION DEF. (HPA) 5.04 7.95 12.12 24.09 44.94 58.90 63.02 59.61 48.51 32.20 15.69 6.84 31.58 RELATIVE HUMIDITY (MEAN %) 71 59 52 38 22 18 19 22 22 29 45 67 38 RELATIVE HUMIDITY (MAX. %) 86 77 71 56 36 30 31 35 34 42 62 81 53 RELATIVE HUMIDITY (MIN. %) 56 43 37 25 15 11 13 14 14 20 32 52 28 RELATIVE HUMIDITY (MEAN% 03UTC) 83 75 68 54 36 29 31 34 33 41 60 79 52 RELATIVE HUMIDITY (MEAN% 09UTC) 64 52 44 30 17 14 16 17 17 23 37 59 33 RELATIVE HUMIDITY (MEAN% 15UTC) 71 57 50 35 20 15 15 17 19 28 45 69 37 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 77.0 48.3 54.6 20.6 1.9 0.1 0.2 0.2 0.0 8.1 22.8 95.8 329.6 DAYS WITH PRECIPITATION >=10 2.7 1.4 1.6 0.6 0.0 0.0 0.0 0.0 0.0 0.3 0.7 3.3 10.6 DAYS WITH PRECIPITATION >= 5 4.7 2.8 2.7 1.0 0.1 0.0 0.0 0.0 0.0 0.5 1.5 4.4 17.7 DAYS WITH PRECIPITATION >= 1 7.2 4.7 5.1 3.4 0.6 0.1 0.1 0.1 0.0 0.9 3.3 6.1 31.6 DAYS WITH PRECIPITATION 9.1 7.0 7.6 5.1 1.3 0.1 0.2 0.1 0.1 2.2 4.8 7.8 45.4 GREATEST DAILY PRECIPITATION 96.0 88.6 127.0 39.0 9.0 1.0 2.0 3.0 0.8 28.2 38.2 105.0 127.0 YEAR-DAY 96- 5 93- 3 97-16 96-15 97- 5 98-17 87-28 87- 1 1-21 90-29 88-13 89- 4 97 DAY WITH THUNDER STORM 1.4 1.4 1.9 1.6 0.5 0.2 0.1 0.0 0.0 0.9 2.1 2.5 12.6 DAYS WITH SNOW OR SLEET 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 DAYS WITH DUST 0.2 1.4 2.2 3.0 6.3 5.9 8.3 3.1 3.6 2.2 0.5 0.3 37.0 WIND DIRECTION (PREVAILING) 315 315 315 315 315 315 270 270 315 315 315 315 315 PREVAILING WIND SPEED(KNOTS) 6.5 6.9 7.1 8.0 9.8 9.5 7.9 7.1 7.6 7.5 6.7 6.1 7.9 PREVAILING WIND PERCENT 11.8 17.2 15.0 16.6 23.8 22.7 22.5 19.1 17.9 14.6 14.0 11.5 16.0 CALMS PERCENT OF WIND 61.2 48.7 47.7 40.8 33.9 35.9 36.1 39.3 44.5 53.5 56.4 63.8 46.8 NO. OF WIND OBSERVATION 155.1 141.4 155.0 151.2 155.0 152.9 154.9 154.9 150.0 155.0 150.0 155.0 1830.4 VECTOR WIND DIRECTION (MEAN) 246 260 244 270 289 282 264 257 273 279 273 259 272 VECTOR WIND MAGNITUDE(KNOTS) 0.5 1.0 0.7 1.2 3.5 3.8 2.9 2.5 2.2 1.4 0.8 0.4 1.7 WIND STEADINESES (MEAN %) 20.0 27.8 18.9 28.6 61.4 71.7 61.7 61.0 59.5 45.2 27.6 17.4 44.7 WIND SPEED (MEAN KNOTS) 2.5 3.6 3.7 4.2 5.7 5.3 4.7 4.1 3.7 3.1 2.9 2.3 3.8 FASTEST WIND DIRECTION 130 160 150 210 310 310 270 300 300 250 180 270 270 FASTEST WIND SPEED (KNOTS) 29 31 29 27 35 29 23 23 19 29 25 39 39 YEAR-DAY 89-11 92-24 89-15 88-14 89-27 90- 5 87- 2 89-27 87- 7 91- 1 1-18 89- 4 89 DAYS WITH SKY CLEAR (0-2)/8 13.8 14.2 14.1 12.7 20.8 28.2 28.3 28.5 29.0 22.9 17.2 13.5 243.2 DAYS WITH P.CLOUDY (3-6)/8 10.6 10.2 11.1 12.7 7.9 1.4 2.6 2.5 1.0 6.8 9.1 10.8 86.7 DAYS WITH CLOUDY (7-8)/8 6.6 3.8 5.9 4.5 2.2 0.4 0.1 0.0 0.0 1.2 3.7 6.7 35.1 DAYS WITH VISIBILITY =< 2 KM 3.8 0.8 0.6 0.1 0.8 0.1 0.8 0.2 0.2 0.1 0.5 3.2 11.2 DURATION OF SUNSHINE HOURS 176.7 202.0 225.4 232.1 290.3 341.1 342.6 343.2 311.0 269.3 213.7 174.8 3122.2 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1987-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1001.8 1000.1 997.2 994.3 990.3 984.4 981.0 983.1 988.8 995.6 1000.2 1002.1 993.2 MAX. QFE PRESSURE IN HPA 1014.6 1012.8 1008.3 1007.0 1001.0 993.8 990.0 991.1 998.6 1005.2 1011.0 1012.3 1014.6 YEAR-DAY 92- 4 93- 7 92-12 89- 1 93-14 91- 1 92- 6 93-18 91-29 93-30 92-29 88-29 92- 4 MIN. QFE PRESSURE IN HPA 985.8 988.4 982.7 985.0 979.8 975.3 972.8 973.9 979.9 987.0 989.4 989.4 972.8 YEAR-DAY 96-12 3-19 3-12 3-27 1-28 98-30 95-20 95- 3 0- 1 99- 8 1-18 94- 3 95-20 MEAN QNH PRESSURE IN HPA 1019.5 1017.8 1014.8 1012.0 1007.9 1001.9 998.4 1000.6 1006.3 1013.3 1017.9 1019.8 1010.8 MAX. QNH PRESSURE IN HPA 1032.5 1030.7 1026.1 1024.8 1018.7 1011.4 1007.6 1008.7 1016.3 1023.0 1028.9 1030.2 1032.5 YEAR-DAY 92- 4 93- 7 92-12 89- 1 93-14 91- 1 92- 6 93-18 91-29 93-30 92-29 88-29 92- 4 MIN. QNH PRESSURE IN HPA 1003.3 1005.9 1000.2 1002.5 997.2 992.7 990.1 991.2 997.3 1004.5 1007.0 1007.0 990.1 YEAR-DAY 96-12 3-19 3-12 3-27 1-28 98-30 95-20 95- 3 0- 1 99- 8 1-18 94- 3 95-20 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.3 ****** ****** ****** ****** ****** ****** 1002.3 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.6 ****** ****** ****** ****** ****** ****** 1007.6 YEAR-DAY **-** **-** **-** **-** **-** 89-12 **-** **-** **-** **-** **-** **-** 89-12 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 997.0 ****** ****** ****** ****** ****** ****** 997.0 YEAR-DAY **-** **-** **-** **-** **-** 89-30 **-** **-** **-** **-** **-** **-** 89-30 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 986.0 ****** ****** ****** ****** ****** ****** 986.0 MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 990.5 ****** ****** ****** ****** ****** ****** 990.5 YEAR-DAY **-** **-** **-** **-** **-** 89- 1 **-** **-** **-** **-** **-** **-** 89- 1 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 982.0 ****** ****** ****** ****** ****** ****** 982.0 YEAR-DAY **-** **-** **-** **-** **-** 89- 8 **-** **-** **-** **-** **-** **-** 89- 8 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1003.5 ****** ****** ****** ****** ****** ****** 1003.5 MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1008.1 ****** ****** ****** ****** ****** ****** 1008.1 YEAR-DAY **-** **-** **-** **-** **-** 89- 1 **-** **-** **-** **-** **-** **-** 89- 1 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 999.5 ****** ****** ****** ****** ****** ****** 999.5 YEAR-DAY **-** **-** **-** **-** **-** 89- 8 **-** **-** **-** **-** **-** **-** 89- 8 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.4 ****** ****** ****** ****** ****** ****** 1002.4 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.1 ****** ****** ****** ****** ****** ****** 1007.1 YEAR-DAY **-** **-** **-** **-** **-** 89- 1 **-** **-** **-** **-** **-** **-** 89- 1 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 998.3 ****** ****** ****** ****** ****** ****** 998.3 YEAR-DAY **-** **-** **-** **-** **-** 89-16 **-** **-** **-** **-** **-** **-** 89-16 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1001.6 999.9 997.1 994.4 990.5 984.7 981.4 983.5 988.9 995.6 1000.1 1001.9 993.3 MAX. QFE PRESSURE IN HPA 1012.5 1011.0 1006.5 1006.1 1000.3 993.0 989.5 991.0 998.0 1004.0 1009.0 1011.0 1012.5 YEAR-DAY 92- 4 93- 7 92- 1 89- 1 93-15 93- 5 92- 6 93- 8 91-29 93-17 92-28 88-29 92- 4 MIN. QFE PRESSURE IN HPA 985.8 988.6 984.9 985.6 981.7 977.2 974.6 977.2 981.0 987.8 990.0 990.0 974.6 YEAR-DAY 96-12 3-20 97-25 2- 3 1-28 97-28 95-21 95- 4 0- 2 96- 4 1-18 88-26 95-21 MEAN QNH PRESSURE IN HPA 1019.3 1017.7 1014.8 1012.0 1008.1 1002.2 998.8 1001.0 1006.5 1013.3 1017.8 1019.7 1010.9 MAX. QNH PRESSURE IN HPA 1030.4 1028.9 1024.3 1023.9 1018.0 1010.6 1007.1 1008.6 1015.7 1021.8 1026.8 1028.9 1030.4 YEAR-DAY 92- 4 93- 7 92- 1 89- 1 93-15 93- 5 92- 6 93- 8 91-29 93-17 92-28 88-29 92- 4 MIN. QNH PRESSURE IN HPA 1003.3 1006.2 1002.4 1003.1 999.2 994.6 991.9 994.6 998.4 1005.3 1007.6 1007.6 991.9 YEAR-DAY 96-12 3-20 97-25 2- 3 1-28 97-28 95-21 95- 4 0- 2 96- 4 1-18 88-26 95-21 MEAN QFF PRESSURE IN HPA 1019.7 1017.9 1014.8 1011.6 1007.3 1001.2 997.6 999.8 1005.6 1012.7 1017.8 1019.9 1010.5 MAX. QFF PRESSURE IN HPA 1031.3 1029.5 1025.1 1024.2 1017.5 1009.9 1006.0 1007.5 1015.0 1021.3 1027.6 1029.8 1031.3 YEAR-DAY 92- 4 93- 7 92- 1 89- 1 93-15 93- 5 92- 6 93-19 91-29 93-17 92-28 88-29 92- 4 MIN. QFF PRESSURE IN HPA 1003.5 1006.1 1002.2 1002.7 998.2 993.2 990.5 993.2 997.6 1004.4 1007.2 1007.6 990.5 YEAR-DAY 96-12 3-20 97-25 2- 3 1-28 97-28 0-10 95- 4 94- 1 1- 1 1-18 88-26 0-10 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1987-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1002.9 1001.3 998.4 995.5 991.4 985.4 982.1 984.4 990.0 997.0 1001.5 1003.3 994.4 MAX. QFE PRESSURE IN HPA 1014.6 1012.2 1008.3 1007.0 1001.0 993.8 990.0 991.1 998.6 1005.2 1011.0 1012.3 1014.6 YEAR-DAY 92- 4 93- 7 92-12 89- 1 93-15 91- 1 92- 6 93-18 91-29 93-30 92-29 88-29 92- 4 MIN. QFE PRESSURE IN HPA 987.0 988.6 985.3 987.3 982.4 977.6 974.9 978.1 981.6 989.3 991.4 990.8 974.9 YEAR-DAY 96-12 3-20 97-29 98-21 1-28 3-30 0-10 99- 7 0- 2 96- 4 1-18 2-21 0-10 MEAN QNH PRESSURE IN HPA 1020.7 1019.0 1016.1 1013.2 1009.0 1002.9 999.5 1001.9 1007.6 1014.7 1019.2 1021.1 1012.1 MAX. QNH PRESSURE IN HPA 1032.5 1030.1 1026.1 1024.8 1018.7 1011.4 1007.6 1008.7 1016.3 1023.0 1028.9 1030.2 1032.5 YEAR-DAY 92- 4 93- 7 92-12 89- 1 93-15 91- 1 92- 6 93-18 91-29 93-30 92-29 88-29 92- 4 MIN. QNH PRESSURE IN HPA 1004.5 1006.2 1002.8 1004.8 999.9 995.0 992.3 995.5 999.0 1006.9 1009.0 1008.4 992.3 YEAR-DAY 96-12 3-20 97-29 98-21 1-28 3-30 0-10 99- 7 0- 2 96- 4 1-18 2-21 0-10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1003.4 ****** ****** ****** ****** ****** ****** 1003.4 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.6 ****** ****** ****** ****** ****** ****** 1007.6 YEAR-DAY **-** **-** **-** **-** **-** 89-12 **-** **-** **-** **-** **-** **-** 89-12 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1000.0 ****** ****** ****** ****** ****** ****** 1000.0 YEAR-DAY **-** **-** **-** **-** **-** 89-15 **-** **-** **-** **-** **-** **-** 89-15 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1002.4 1000.9 998.0 995.1 991.0 985.0 981.6 983.8 989.5 996.2 1000.7 1002.5 993.9 MAX. QFE PRESSURE IN HPA 1014.2 1012.8 1007.9 1006.0 1001.0 993.2 989.7 991.0 997.4 1004.0 1010.0 1011.2 1014.2 YEAR-DAY 92- 4 93- 7 89-31 89- 1 93-14 93- 5 92- 6 93-18 91-29 93-17 92-29 88-29 92- 4 MIN. QFE PRESSURE IN HPA 987.4 988.6 984.0 987.0 982.0 977.2 974.0 977.3 981.5 988.5 989.4 991.0 974.0 YEAR-DAY 96-12 3-20 3-12 0-21 1-29 3-30 95-21 95- 3 0- 2 96- 4 1-18 2-21 95-21 MEAN QNH PRESSURE IN HPA 1020.1 1018.6 1015.7 1012.8 1008.6 1002.5 999.1 1001.3 1007.0 1013.9 1018.4 1020.3 1011.5 MAX. QNH PRESSURE IN HPA 1032.1 1030.7 1025.7 1023.8 1018.7 1010.8 1007.3 1008.6 1015.1 1021.8 1027.9 1029.1 1032.1 YEAR-DAY 92- 4 93- 7 89-31 89- 1 93-14 93- 5 92- 6 93-18 91-29 93-17 92-29 88-29 92- 4 MIN. QNH PRESSURE IN HPA 1004.9 1006.2 1001.5 1004.5 999.5 994.6 991.3 994.7 998.9 1006.0 1007.0 1008.6 991.3 YEAR-DAY 96-12 3-20 3-12 0-21 1-29 3-30 95-21 95- 3 0- 2 96- 4 1-18 2-21 95-21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.9 ****** ****** ****** ****** ****** ****** 1002.9 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.3 ****** ****** ****** ****** ****** ****** 1007.3 YEAR-DAY **-** **-** **-** **-** **-** 89-12 **-** **-** **-** **-** **-** **-** 89-12 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 999.5 ****** ****** ****** ****** ****** ****** 999.5 YEAR-DAY **-** **-** **-** **-** **-** 89-15 **-** **-** **-** **-** **-** **-** 89-15 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1000.9 999.1 996.3 993.6 989.6 983.7 980.2 982.3 987.9 994.7 999.2 1001.2 992.4 MAX. QFE PRESSURE IN HPA 1012.5 1012.0 1005.7 1003.9 999.6 992.0 988.6 990.7 996.0 1003.0 1008.4 1010.5 1012.5 YEAR-DAY 92- 5 93- 7 92-12 89- 1 93-14 92- 5 92- 6 93-18 92-26 93-17 92-29 88-29 92- 5 MIN. QFE PRESSURE IN HPA 987.7 988.4 982.7 985.0 980.7 976.0 973.0 974.4 980.2 987.2 989.6 989.4 973.0 YEAR-DAY 94-23 3-19 3-12 3-27 1-29 97-29 95-20 95- 3 0- 1 96- 4 1-18 94- 3 95-20 MEAN QNH PRESSURE IN HPA 1018.6 1016.8 1014.0 1011.2 1007.1 1001.1 997.7 999.7 1005.4 1012.3 1016.9 1018.9 1010.0 MAX. QNH PRESSURE IN HPA 1030.4 1029.9 1023.5 1021.7 1017.3 1009.6 1006.2 1008.3 1013.7 1020.8 1026.2 1028.4 1030.4 YEAR-DAY 92- 5 93- 7 92-12 89- 1 93-14 92- 5 92- 6 93-18 92-26 93-17 92-29 88-29 92- 5 MIN. QNH PRESSURE IN HPA 1005.2 1005.9 1000.2 1002.5 998.1 993.4 990.3 991.7 997.6 1004.7 1007.2 1007.0 990.3 YEAR-DAY 94-23 3-19 3-12 3-27 1-29 97-29 95-20 95- 3 0- 1 96- 4 1-18 94- 3 95-20 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1001.9 ****** ****** ****** ****** ****** ****** 1001.9 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.6 ****** ****** ****** ****** ****** ****** 1006.6 YEAR-DAY **-** **-** **-** **-** **-** 89-12 **-** **-** **-** **-** **-** **-** 89-12 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 997.9 ****** ****** ****** ****** ****** ****** 997.9 YEAR-DAY **-** **-** **-** **-** **-** 89-15 **-** **-** **-** **-** **-** **-** 89-15 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1987-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1001.2 999.2 996.2 993.1 989.1 983.1 979.6 981.8 987.7 994.7 999.5 1001.6 992.2 MAX. QFE PRESSURE IN HPA 1013.4 1012.2 1006.3 1003.9 999.9 992.0 987.7 990.7 996.5 1003.2 1009.0 1010.2 1013.4 YEAR-DAY 92- 5 93- 7 92-12 89- 1 93-14 92- 2 92- 6 93-18 91-29 93-30 92-29 88-29 92- 5 MIN. QFE PRESSURE IN HPA 989.6 989.4 984.8 985.2 979.8 975.3 972.8 973.9 979.9 987.0 990.9 990.7 972.8 YEAR-DAY 94-23 3-19 3-12 2-19 1-28 98-30 95-20 95- 3 0- 1 99- 8 1-17 94- 3 95-20 MEAN QNH PRESSURE IN HPA 1018.9 1016.9 1013.8 1010.8 1006.6 1000.5 997.1 999.2 1005.2 1012.4 1017.2 1019.3 1009.8 MAX. QNH PRESSURE IN HPA 1031.3 1030.1 1024.1 1021.7 1017.6 1009.6 1005.2 1008.3 1014.2 1021.0 1026.8 1028.1 1031.3 YEAR-DAY 92- 5 93- 7 92-12 89- 1 93-14 92- 2 92- 6 93-18 91-29 93-30 92-29 88-29 92- 5 MIN. QNH PRESSURE IN HPA 1007.2 1007.0 1002.3 1002.7 997.2 992.7 990.1 991.2 997.3 1004.5 1008.5 1008.3 990.1 YEAR-DAY 94-23 3-19 3-12 2-19 1-28 98-30 95-20 95- 3 0- 1 99- 8 1-17 94- 3 95-20 MEAN QFF PRESSURE IN HPA 1019.3 1017.2 1013.8 1010.4 1005.8 999.5 995.9 998.1 1004.3 1011.8 1017.1 1019.6 1009.4 MAX. QFF PRESSURE IN HPA 1032.3 1030.7 1024.7 1021.9 1017.1 1008.7 1004.2 1007.3 1013.4 1020.5 1027.4 1029.0 1032.3 YEAR-DAY 92- 5 93- 7 92-12 89- 1 93-14 92- 5 92- 6 93-18 91-29 93-30 92-29 88-29 92- 5 MIN. QFF PRESSURE IN HPA 1007.4 1007.0 1002.0 1002.2 996.2 991.4 988.9 989.9 996.5 1003.8 1008.4 1008.3 988.9 YEAR-DAY 94-23 3-19 3-12 2-19 1-28 98-30 95-21 95- 3 0- 1 99- 8 1-17 94- 3 95-21 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 986.0 ****** ****** ****** ****** ****** ****** 986.0 MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 990.4 ****** ****** ****** ****** ****** ****** 990.4 YEAR-DAY **-** **-** **-** **-** **-** 89-12 **-** **-** **-** **-** **-** **-** 89-12 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 982.6 ****** ****** ****** ****** ****** ****** 982.6 YEAR-DAY **-** **-** **-** **-** **-** 89-15 **-** **-** **-** **-** **-** **-** 89-15 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1003.5 ****** ****** ****** ****** ****** ****** 1003.5 MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1008.0 ****** ****** ****** ****** ****** ****** 1008.0 YEAR-DAY **-** **-** **-** **-** **-** 89-12 **-** **-** **-** **-** **-** **-** 89-12 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1000.1 ****** ****** ****** ****** ****** ****** 1000.1 YEAR-DAY **-** **-** **-** **-** **-** 89-15 **-** **-** **-** **-** **-** **-** 89-15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.5 ****** ****** ****** ****** ****** ****** 1002.5 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.0 ****** ****** ****** ****** ****** ****** 1007.0 YEAR-DAY **-** **-** **-** **-** **-** 89-12 **-** **-** **-** **-** **-** **-** 89-12 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 999.0 ****** ****** ****** ****** ****** ****** 999.0 YEAR-DAY **-** **-** **-** **-** **-** 89-15 **-** **-** **-** **-** **-** **-** 89-15 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 986.3 ****** ****** ****** ****** ****** ****** 986.3 MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 990.8 ****** ****** ****** ****** ****** ****** 990.8 YEAR-DAY **-** **-** **-** **-** **-** 89-12 **-** **-** **-** **-** **-** **-** 89-12 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 982.8 ****** ****** ****** ****** ****** ****** 982.8 YEAR-DAY **-** **-** **-** **-** **-** 89- 8 **-** **-** **-** **-** **-** **-** 89- 8 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1003.8 ****** ****** ****** ****** ****** ****** 1003.8 MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1008.4 ****** ****** ****** ****** ****** ****** 1008.4 YEAR-DAY **-** **-** **-** **-** **-** 89-12 **-** **-** **-** **-** **-** **-** 89-12 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1000.3 ****** ****** ****** ****** ****** ****** 1000.3 YEAR-DAY **-** **-** **-** **-** **-** 89- 8 **-** **-** **-** **-** **-** **-** 89- 8 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.7 ****** ****** ****** ****** ****** ****** 1002.7 MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1007.4 ****** ****** ****** ****** ****** ****** 1007.4 YEAR-DAY **-** **-** **-** **-** **-** 89-12 **-** **-** **-** **-** **-** **-** 89-12 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 999.1 ****** ****** ****** ****** ****** ****** 999.1 YEAR-DAY **-** **-** **-** **-** **-** 89- 8 **-** **-** **-** **-** **-** **-** 89- 8 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 1 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 35.8 37.4 39.7 38.1 35.2 27.9 21.8 15.0 ****** 1988 12.2 15.6 18.7 25.6 33.7 37.4 39.2 38.5 35.6 30.2 20.3 15.3 26.9 1989 10.5 13.8 19.6 26.7 33.6 35.9 40.8 39.1 34.5 29.5 20.8 13.7 26.5 1990 11.3 14.4 19.9 25.1 35.6 38.4 40.3 38.5 35.7 29.6 22.5 16.8 27.3 1991 12.8 14.1 18.4 26.9 31.4 37.5 38.5 37.7 34.2 27.8 22.0 14.4 26.3 1992 10.0 12.9 15.9 24.1 31.5 37.4 38.3 38.2 35.4 28.5 20.7 13.3 25.5 1993 11.7 14.5 18.8 24.5 32.0 37.6 40.2 39.3 35.5 29.8 20.3 17.3 26.8 1994 15.8 16.2 20.6 28.1 33.2 37.8 38.5 38.2 35.6 29.4 20.8 12.3 27.2 1995 14.0 15.8 19.8 25.4 34.2 38.2 38.8 39.9 35.0 29.2 21.4 14.0 27.1 1996 13.9 16.9 18.9 25.7 35.5 38.4 42.1 40.5 36.1 29.2 22.1 18.2 28.1 1997 14.9 14.5 17.3 24.0 33.4 38.9 39.1 38.0 35.9 30.3 20.7 14.6 26.8 1998 12.0 15.8 19.3 27.1 34.8 40.6 41.0 41.5 37.3 30.7 24.7 20.1 28.7 1999 14.9 16.9 19.2 28.1 35.7 40.4 40.2 41.3 36.1 31.5 21.5 16.0 28.5 2000 13.5 15.4 20.4 30.7 35.7 38.6 41.8 41.0 35.4 29.2 20.2 14.7 28.0 2001 13.6 16.0 22.1 28.5 35.1 38.5 40.3 40.6 36.2 31.1 21.1 17.3 28.4 2002 13.0 16.0 21.4 25.1 34.9 38.7 40.9 39.5 36.2 31.7 21.7 15.0 27.8 2003 14.1 16.5 19.9 28.0 34.3 39.2 39.8 40.1 36.1 31.3 21.5 15.6 28.0 MEAN 13.0 15.3 19.4 26.5 34.1 38.3 40.0 39.4 35.6 29.8 21.4 15.5 27.4 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 2 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF MINIMUM TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 24.9 26.5 29.0 28.0 25.0 19.7 12.9 8.5 ****** 1988 6.9 9.2 11.7 17.0 22.1 26.1 28.0 27.8 25.3 21.4 13.5 10.2 18.3 1989 5.2 7.5 13.0 18.0 23.3 26.2 30.6 29.0 24.8 20.5 14.9 9.1 18.5 1990 6.5 8.3 12.0 17.3 24.4 26.5 30.2 28.1 24.9 21.0 14.6 10.3 18.7 1991 8.9 8.6 12.9 18.0 21.7 27.0 28.2 28.1 24.7 20.4 15.0 10.3 18.7 1992 5.5 7.3 9.6 16.0 22.6 27.1 28.2 28.7 25.1 19.2 14.4 9.5 17.8 1993 7.4 9.3 12.6 17.2 22.7 26.1 30.0 29.2 25.7 21.4 13.8 10.6 18.8 1994 10.9 9.1 13.8 19.5 23.9 27.0 29.0 28.1 26.7 21.8 15.7 7.3 19.4 1995 9.0 10.7 13.1 17.6 24.3 27.5 29.0 29.4 25.2 20.0 13.4 8.6 19.0 1996 9.7 11.7 13.0 17.4 25.9 27.3 32.6 31.1 26.7 20.8 15.2 12.5 20.3 1997 9.5 7.1 11.3 16.8 24.2 29.1 29.5 28.5 25.6 22.7 15.3 10.6 19.2 1998 7.6 10.2 13.7 18.4 25.4 29.9 31.7 32.5 28.2 21.8 16.3 12.8 20.7 1999 10.5 11.7 12.5 19.9 24.7 30.1 31.2 32.2 26.0 22.8 14.6 10.0 20.5 2000 8.3 9.0 12.3 21.8 25.5 28.4 32.9 32.1 26.1 21.0 14.4 10.9 20.2 2001 8.2 9.8 14.6 19.8 25.0 27.9 30.5 31.8 27.0 23.1 13.6 13.3 20.4 2002 8.4 10.0 14.5 18.4 25.2 28.1 30.8 29.6 26.7 23.0 15.2 10.3 20.0 2003 9.2 10.8 13.0 20.4 25.4 29.4 30.6 30.8 26.3 23.0 14.6 11.0 20.4 MEAN 8.2 9.4 12.7 18.3 24.2 27.6 30.1 29.7 25.9 21.4 14.6 10.3 19.4 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 3 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF MAXIMUM TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 40.9 43.5 45.7 44.3 41.5 32.8 27.8 19.4 ****** 1988 16.1 20.2 23.3 30.9 39.2 42.9 45.0 44.1 41.7 36.1 25.7 19.6 32.1 1989 15.1 18.4 24.6 32.1 38.9 44.0 47.0 45.5 40.8 35.5 25.5 17.3 32.0 1990 15.1 18.7 25.0 31.2 41.4 44.7 46.0 44.6 42.0 35.2 28.4 21.9 32.9 1991 16.0 18.4 22.7 32.6 36.8 43.5 44.6 44.0 40.6 33.5 27.5 18.0 31.5 1992 13.8 17.3 20.3 29.2 36.7 42.8 44.6 44.3 41.7 34.8 25.6 16.8 30.7 1993 15.1 18.5 23.0 30.0 36.9 43.5 46.3 45.3 42.2 35.6 25.6 22.4 32.0 1994 20.2 21.2 25.5 33.8 38.6 43.8 44.6 44.8 41.2 34.6 25.0 16.3 32.5 1995 18.3 19.9 24.5 30.9 39.5 43.8 44.8 46.6 41.0 35.1 27.3 18.2 32.5 1996 17.7 20.8 23.0 31.0 40.8 44.6 47.6 46.6 42.4 35.1 27.4 23.0 33.3 1997 19.2 19.7 21.7 29.0 38.5 44.4 45.3 44.6 42.5 35.7 24.9 18.2 32.0 1998 15.8 19.8 23.5 32.7 39.9 46.6 46.6 47.4 43.3 36.8 30.5 26.0 34.1 1999 18.5 20.9 23.5 33.1 41.5 45.9 45.8 47.2 42.5 37.4 26.8 20.8 33.7 2000 17.9 20.4 26.1 36.4 41.1 44.9 47.7 47.2 41.7 35.0 24.9 18.3 33.4 2001 18.0 21.0 27.7 34.5 40.8 44.8 46.4 46.7 42.5 37.0 26.6 21.1 33.9 2002 17.0 20.4 26.3 29.9 40.4 44.5 46.7 46.1 42.9 37.9 26.7 19.2 33.2 2003 18.2 21.1 25.3 33.4 39.4 45.1 45.7 46.2 42.4 37.0 26.8 19.9 33.4 MEAN 17.0 19.8 24.1 31.9 39.5 44.3 45.9 45.6 41.9 35.6 26.6 19.8 32.7 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 4 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 16.0 17.0 16.7 16.3 16.5 13.1 14.9 10.9 ****** 1988 9.2 11.0 11.6 13.9 17.1 16.8 17.0 16.3 16.4 14.7 12.2 9.4 13.8 1989 9.9 10.9 11.6 14.1 15.6 17.8 16.4 16.5 16.0 15.0 10.6 8.2 13.5 1990 8.6 10.4 13.0 13.9 17.0 18.2 15.8 16.5 17.1 14.2 13.8 11.6 14.2 1991 7.1 9.8 9.8 14.6 15.1 16.5 16.4 15.9 15.9 13.1 12.5 7.7 12.8 1992 8.3 10.0 10.7 13.2 14.1 15.7 16.4 15.6 16.6 15.6 11.2 7.3 12.9 1993 7.7 9.2 10.4 12.8 14.2 17.4 16.3 16.1 16.5 14.2 11.8 11.8 13.2 1994 9.3 12.1 11.7 14.3 14.7 16.8 15.6 16.7 14.5 12.8 9.3 9.0 13.1 1995 9.3 9.2 11.4 13.3 15.2 16.3 15.8 17.2 15.8 15.1 13.9 9.6 13.5 1996 8.0 9.1 10.0 13.6 14.9 17.3 15.0 15.5 15.7 14.3 12.2 10.5 13.0 1997 9.7 12.6 10.4 12.2 14.3 15.3 15.8 16.1 16.9 13.0 9.6 7.6 12.8 1998 8.2 9.6 9.8 14.3 14.5 16.7 14.9 14.9 15.1 15.0 14.2 13.2 13.4 1999 8.0 9.2 11.0 13.2 16.8 15.8 14.6 15.0 16.5 14.6 12.2 10.8 13.2 2000 9.6 11.4 13.8 14.6 15.6 16.5 14.8 15.1 15.6 14.0 10.5 7.4 13.2 2001 9.8 11.2 13.1 14.7 15.8 16.9 15.9 14.9 15.5 13.9 13.0 7.8 13.5 2002 8.6 10.4 11.8 11.5 15.2 16.4 15.9 16.5 16.2 14.9 11.5 8.9 13.2 2003 9.0 10.3 12.3 13.0 14.0 15.7 15.1 15.4 16.1 14.0 12.2 8.9 13.0 MEAN 8.8 10.4 11.4 13.6 15.3 16.7 15.8 15.9 16.0 14.2 12.0 9.5 13.3 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 5 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF MEAN DAILY TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 32.9 35.0 37.3 36.2 33.3 26.3 20.3 14.0 ****** 1988 11.5 14.7 17.5 23.9 30.6 34.5 36.5 36.0 33.5 28.8 19.6 14.9 25.2 1989 10.1 12.9 18.8 25.0 31.1 35.1 38.8 37.2 32.8 28.0 20.2 13.2 25.3 1990 10.8 13.5 18.5 24.2 32.9 35.6 38.1 36.4 33.5 28.1 21.5 16.1 25.8 1991 12.4 13.5 17.8 25.3 29.2 35.3 36.4 36.0 32.6 27.0 21.3 14.2 25.1 1992 9.7 12.3 15.0 22.6 29.7 34.9 36.4 36.5 33.4 27.0 20.0 13.1 24.2 1993 11.2 13.9 17.8 23.6 29.8 34.8 38.1 37.3 33.9 28.5 19.7 16.5 25.4 1994 15.5 15.1 19.6 26.7 31.3 35.4 36.8 36.4 34.0 28.2 20.4 11.8 25.9 1995 13.6 15.3 18.8 24.2 31.9 35.6 36.9 38.0 33.1 27.6 20.4 13.4 25.7 1996 13.7 16.3 18.0 24.2 33.3 36.0 40.1 38.8 34.5 27.9 21.3 17.8 26.8 1997 14.3 13.4 16.5 22.9 31.4 36.7 37.4 36.5 34.1 29.2 20.1 14.4 25.6 1998 11.7 15.0 18.6 25.5 32.6 38.3 39.2 39.9 35.8 29.3 23.4 19.4 27.4 1999 14.5 16.3 18.0 26.5 33.1 38.0 38.5 39.7 34.2 30.1 20.7 15.4 27.1 2000 13.1 14.7 19.2 29.1 33.3 36.6 40.3 39.6 33.9 28.0 19.6 14.6 26.8 2001 13.1 15.4 21.2 27.1 32.9 36.4 38.4 39.2 34.8 30.0 20.1 17.2 27.2 2002 12.7 15.2 20.4 24.2 32.8 36.3 38.8 37.8 34.8 30.5 20.9 14.8 26.6 2003 13.7 16.0 19.2 26.9 32.4 37.2 38.2 38.5 34.4 30.0 20.7 15.5 26.9 MEAN 12.6 14.6 18.4 25.1 31.8 36.0 38.0 37.7 33.9 28.5 20.6 15.1 26.0 SD 1.66 1.21 1.47 1.75 1.36 1.11 1.21 1.41 0.80 1.22 0.93 1.90 1.33 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 6 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M TEMPERATURE RECORDS LOWEST IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 20.0 22.0 25.0 22.6 21.2 13.4 7.4 2.4 ****** DAY ** ** ** ** 7 6 10 28 30 28 11 30 1988 1.6 4.4 3.4 8.0 18.2 22.2 24.2 24.5 19.8 17.2 2.2 0.6 0.6 DAY 2 6 6 2 4 26 1 31 29 22 15 30 1989 -0.6 2.2 5.2 8.4 19.8 22.4 27.8 26.0 20.2 13.6 8.2 4.8 -0.6 DAY 5 3 31 1 15 2 7 12 20 23 23 7 1990 1.0 4.8 7.6 11.0 18.6 22.8 26.0 25.0 23.0 16.4 10.2 2.6 1.0 DAY 12 12 20 6 7 21 3 21 21 31 14 28 1991 3.6 2.2 6.4 12.4 16.6 21.6 26.0 24.0 21.6 16.0 10.0 4.0 2.2 DAY 28 11 11 14 4 4 8 30 10 30 27 20 1992 0.0 0.2 2.8 10.8 19.0 23.6 24.8 26.4 19.0 14.8 2.2 3.0 0.0 DAY 6 13 1 7 11 21 13 26 29 28 28 29 1993 1.4 0.0 5.2 12.0 16.2 22.4 26.0 26.2 21.0 18.8 5.0 6.8 0.0 DAY 18 18 13 13 1 5 9 13 29 31 30 6 1994 5.6 3.8 9.4 14.0 17.6 22.4 23.4 23.4 24.4 18.0 9.8 1.0 1.0 DAY 28 4 17 3 7 29 1 25 30 23 27 7 1995 4.4 6.6 8.4 10.8 16.8 25.0 26.2 26.0 18.4 16.6 3.0 5.0 3.0 DAY 26 11 28 6 9 12 1 31 22 6 27 20 1996 4.0 4.4 9.2 13.0 20.4 22.4 29.2 27.0 21.2 13.6 11.2 4.6 4.0 DAY 15 6 5 6 2 7 9 25 21 31 12 17 1997 6.0 -0.8 4.2 7.6 15.6 22.6 27.8 26.8 22.0 16.4 11.6 6.4 -0.8 DAY 4 7 8 12 6 3 16 22 15 28 29 28 1998 1.8 3.4 9.0 14.0 19.4 25.4 28.0 28.6 24.8 17.6 13.2 7.6 1.8 DAY 15 17 21 6 2 10 9 23 8 31 18 13 1999 5.0 4.6 8.0 15.0 20.0 27.0 29.4 30.0 21.0 17.4 5.0 6.2 4.6 DAY 22 22 18 15 2 30 4 1 24 22 29 1 2000 3.2 4.0 5.0 14.0 19.6 25.6 28.2 23.8 23.0 15.0 10.4 4.4 3.2 DAY 18 2 10 11 10 6 6 31 1 29 23 28 2001 3.4 6.0 12.0 15.0 20.8 24.4 27.2 29.0 24.8 20.4 5.0 4.6 3.4 DAY 29 1 6 10 7 10 1 22 12 31 20 22 2002 4.0 5.4 7.6 13.0 19.4 22.8 26.8 25.0 24.8 17.0 10.2 3.8 3.8 DAY 13 1 1 4 5 8 2 31 10 25 27 23 2003 5.0 5.0 5.4 14.8 16.6 26.0 28.6 27.0 22.4 16.6 8.2 5.0 5.0 DAY 20 18 2 3 1 7 1 30 22 31 15 22 1987-2003 -0.6 -0.8 2.8 7.6 15.6 21.6 23.4 22.6 18.4 13.4 2.2 0.6 -0.8 YEAR-DAY 89- 5 97- 7 92- 1 97-12 97- 6 91- 4 94- 1 87-28 95-22 87-28 88-15 88-30 97 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 7 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M TEMPERATURE RECORDS HIGHEST IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 43.4 47.8 48.2 48.8 44.8 39.8 32.4 25.0 ****** DAY ** ** ** ** 14 29 24 13 6 2 15 2 1988 20.2 24.0 30.8 39.8 45.6 48.6 49.2 48.2 46.2 39.4 33.8 25.8 49.2 DAY 24 22 30 22 31 14 13 1 8 4 3 13 1989 21.0 24.4 31.2 37.2 45.8 49.6 50.2 47.8 45.8 41.2 30.0 26.0 50.2 DAY 22 27 7 17 30 28 20 27 9 9 2 1 1990 21.2 23.6 30.2 37.8 47.2 48.0 49.8 48.2 45.2 40.0 32.8 27.6 49.8 DAY 1 18 31 28 18 5 17 4 6 8 11 6 1991 21.0 22.0 29.2 39.6 40.8 47.0 47.2 47.4 45.0 39.0 35.0 25.0 47.4 DAY 31 19 31 24 31 24 5 1 1 12 1 12 1992 18.6 24.4 25.0 35.0 42.4 45.2 48.2 47.8 45.0 39.8 31.8 26.8 48.2 DAY 10 24 29 26 30 29 17 17 2 4 1 2 1993 23.8 25.0 30.8 38.0 43.4 46.8 49.6 48.0 46.6 40.8 31.0 26.4 49.6 DAY 29 28 31 19 26 28 16 10 1 1 3 7 1994 27.2 28.0 32.6 40.8 46.8 47.6 47.0 47.8 44.0 38.0 34.0 21.4 47.8 DAY 2 28 31 29 30 9 25 18 13 9 1 19 1995 23.4 24.0 30.0 35.0 44.4 48.0 48.0 49.6 45.2 40.0 33.6 22.6 49.6 DAY 11 3 31 29 23 20 31 4 1 10 4 3 1996 23.8 27.2 28.0 38.8 45.2 47.4 49.8 49.8 46.2 43.0 32.4 26.8 49.8 DAY 31 10 31 23 31 17 19 1 1 1 3 20 1997 26.2 31.0 26.4 35.0 45.0 49.4 47.8 47.8 45.8 42.0 30.4 23.2 49.4 DAY 11 21 4 28 29 27 9 1 2 6 2 4 1998 20.6 26.4 30.6 38.0 47.0 49.8 49.2 49.8 46.6 41.8 34.2 31.0 49.8 DAY 20 7 27 13 28 28 20 15 1 2 4 17 1999 23.0 25.0 31.6 39.8 47.8 49.0 49.2 50.2 48.6 41.8 32.6 25.6 50.2 DAY 4 28 31 26 30 12 19 12 1 2 7 9 2000 24.4 26.4 32.8 40.4 46.0 50.6 51.6 49.6 44.4 38.8 33.2 24.0 51.6 DAY 1 25 23 30 25 30 16 7 9 11 1 24 2001 22.4 26.4 34.6 40.8 46.6 49.6 49.0 51.4 45.2 41.2 35.0 26.0 51.4 DAY 18 28 31 25 15 23 30 4 1 1 6 9 2002 22.0 25.4 32.0 40.0 45.2 47.4 49.2 49.0 47.0 42.0 31.0 24.4 49.2 DAY 3 24 26 28 25 17 21 4 2 6 8 9 2003 23.8 27.0 31.6 39.0 43.6 48.4 47.4 49.0 47.0 41.4 32.8 25.0 49.0 DAY 9 24 31 9 22 15 10 11 3 1 7 19 1987-2003 27.2 31.0 34.6 40.8 47.8 50.6 51.6 51.4 48.6 43.0 35.0 31.0 51.6 YEAR-DAY 94- 2 97-21 1-31 94-29 99-30 0-30 0-16 1- 4 99- 1 96- 1 91- 1 98-17 0 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 8 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M 0C COOLING DEGREE DAYS (BASE 21) YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 368.9 419.7 506.8 470.3 367.7 166.5 28.3 0.0 ****** 1988 0.0 0.0 5.6 108.9 298.6 404.6 480.2 463.5 375.5 240.5 49.6 0.0 2427.0 1989 0.0 0.0 8.5 133.3 313.7 422.5 551.9 502.5 353.6 216.3 18.4 0.5 2521.2 1990 0.0 0.0 5.5 106.8 368.3 439.0 531.4 476.7 374.4 220.0 36.4 0.0 2558.5 1991 0.0 0.0 5.6 131.5 255.3 416.4 461.8 466.4 349.3 185.5 37.9 0.0 2309.7 1992 0.0 0.0 0.0 67.8 268.9 417.4 478.4 480.9 373.2 186.2 26.0 0.0 2298.8 1993 0.0 0.0 3.6 82.5 272.8 415.2 530.8 504.2 388.3 232.8 30.0 0.0 2460.2 1994 2.7 1.8 14.2 170.7 317.8 431.3 489.5 478.9 388.8 223.7 35.7 0.0 2555.1 1995 0.0 0.0 4.5 100.3 338.3 438.3 493.1 526.9 364.2 203.3 47.8 0.0 2516.7 1996 0.0 0.0 2.7 100.3 382.6 449.2 592.8 552.7 406.3 215.8 32.6 0.1 2735.1 1997 0.0 2.1 0.0 82.3 321.6 471.1 508.5 481.8 392.0 253.3 21.2 0.0 2533.9 1998 0.0 0.4 10.0 138.9 360.8 517.6 563.1 587.4 442.8 256.4 73.4 5.3 2956.1 1999 0.0 0.0 6.6 165.6 374.6 509.7 541.7 579.6 397.5 282.4 30.8 0.0 2888.5 2000 0.0 0.9 27.8 242.7 381.3 468.2 597.3 576.9 387.3 217.1 10.2 0.0 2909.7 2001 0.0 0.0 24.6 184.2 370.3 460.9 540.1 565.2 413.4 280.0 41.3 0.0 2880.0 2002 0.0 0.5 22.2 103.2 366.5 459.0 550.4 521.7 414.0 293.7 33.1 1.4 2765.7 2003 0.0 0.0 15.2 176.3 353.2 486.6 532.1 543.8 400.8 279.2 42.5 0.3 2830.0 MEAN 0.2 0.4 9.8 131.0 336.1 448.6 526.5 516.4 387.6 232.5 35.0 0.4 2624.5 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 9 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M 0C HEATING DEGREE DAYS (BASE 18) YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 0.0 0.0 0.0 0.0 0.0 0.0 12.0 126.1 ****** 1988 202.0 96.9 47.7 3.4 0.0 0.0 0.0 0.0 0.0 0.0 47.2 101.4 498.6 1989 243.9 141.8 24.0 2.6 0.0 0.0 0.0 0.0 0.0 0.0 12.3 153.1 577.7 1990 224.5 125.3 23.4 0.1 0.0 0.0 0.0 0.0 0.0 0.0 1.3 78.0 452.6 1991 172.4 126.0 42.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.9 124.3 465.7 1992 258.7 168.2 98.1 1.3 0.0 0.0 0.0 0.0 0.0 0.0 30.7 154.9 711.9 1993 209.5 115.9 49.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 33.8 53.9 462.3 1994 92.0 85.5 10.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14.3 192.1 394.1 1995 135.2 75.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 37.6 143.1 400.9 1996 134.3 57.5 28.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 32.4 252.5 1997 116.4 140.6 57.8 9.0 0.0 0.0 0.0 0.0 0.0 0.0 5.1 112.7 441.5 1998 194.8 91.4 27.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5.2 318.8 1999 107.6 51.9 26.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 13.0 84.4 283.5 2000 151.9 102.1 29.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5.2 108.1 397.0 2001 153.0 75.5 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 35.8 38.3 303.6 2002 165.0 84.1 8.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.9 108.7 369.9 2003 132.8 63.1 23.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 16.0 85.0 320.0 MEAN 168.4 100.0 31.7 1.0 0.0 0.0 0.0 0.0 0.0 0.0 15.8 100.1 417.0 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 10 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 10.1 8.1 9.0 12.9 12.6 10.9 7.7 7.8 ****** 1988 8.0 8.0 9.5 11.4 10.4 9.4 13.3 12.8 8.5 9.5 7.7 7.4 9.6 1989 4.6 4.3 7.9 8.6 5.6 8.0 12.8 10.8 9.5 9.0 10.2 9.8 8.4 1990 5.8 6.5 6.2 5.9 5.8 6.6 8.5 7.2 6.6 7.0 6.6 6.0 6.6 1991 9.1 5.2 10.9 8.3 3.9 8.8 10.1 12.3 11.7 12.2 7.4 10.1 9.2 1992 4.8 4.6 6.6 8.8 8.4 7.2 10.6 13.1 9.1 7.1 8.9 9.2 8.2 1993 7.3 8.7 9.6 12.9 10.3 9.7 12.4 10.8 10.4 7.3 7.8 6.6 9.5 1994 8.0 2.7 7.1 9.3 7.9 7.5 11.0 9.7 7.7 10.0 12.6 6.5 8.3 1995 8.5 9.2 9.2 9.0 8.1 7.8 11.9 12.9 9.1 5.4 3.7 7.2 8.5 1996 8.6 10.6 10.7 10.9 11.6 7.4 11.0 12.5 9.6 6.9 7.3 8.7 9.6 1997 6.3 -0.8 6.5 10.3 9.6 10.0 10.1 11.5 6.7 11.4 12.3 10.8 8.7 1998 7.2 7.7 10.3 9.6 10.1 11.2 12.8 14.8 12.1 7.5 6.0 5.2 9.6 1999 9.1 10.2 9.0 9.9 6.9 8.7 12.4 13.9 9.4 8.7 6.6 8.3 9.4 2000 6.2 5.7 3.6 8.5 6.0 6.1 10.3 13.0 8.1 7.6 8.6 10.4 7.8 2001 7.1 5.9 8.7 6.6 6.8 7.4 9.2 14.7 9.1 8.3 4.3 12.3 8.4 2002 8.0 7.9 9.0 10.9 7.8 7.3 9.2 8.7 9.2 7.4 8.3 8.6 8.5 2003 7.6 6.3 6.0 9.3 6.5 7.9 9.6 12.9 7.5 8.0 4.6 9.4 8.0 MEAN 7.3 6.4 8.2 9.4 8.0 8.2 10.8 12.0 9.2 8.5 7.7 8.5 8.7 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 11 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 8.15 7.37 7.64 10.08 9.90 8.73 6.84 6.94 ***** 1988 6.83 6.88 7.73 8.96 8.23 7.69 10.13 9.65 7.46 7.68 6.84 6.65 7.89 1989 5.39 5.49 6.96 7.28 6.03 7.06 10.05 8.57 8.08 7.46 8.15 7.73 7.35 1990 5.92 6.28 6.16 6.16 6.16 6.50 7.53 6.70 6.36 6.73 6.27 5.95 6.40 1991 7.40 5.90 8.40 7.16 5.36 7.60 8.06 9.56 9.19 9.40 6.57 7.94 7.71 1992 5.55 5.64 6.48 7.33 7.19 6.60 8.31 9.78 7.52 6.49 7.50 7.44 7.15 1993 6.60 7.31 7.76 9.63 8.12 7.93 9.66 8.53 8.52 6.61 7.02 6.33 7.84 1994 6.85 4.76 6.52 7.66 7.00 6.82 8.63 7.98 6.80 8.01 9.40 6.29 7.23 1995 7.09 7.49 7.57 7.56 7.20 7.01 9.57 10.15 7.57 5.81 5.43 6.50 7.41 1996 7.16 8.22 8.38 8.54 8.86 6.81 8.67 9.74 8.01 6.43 6.73 7.18 7.89 1997 6.12 3.82 6.43 8.35 7.80 8.11 8.11 8.78 6.38 8.85 9.20 8.20 7.51 1998 6.50 6.87 8.18 7.79 8.06 8.72 9.81 11.39 9.29 6.75 6.09 5.91 7.95 1999 7.41 8.01 7.41 8.04 6.48 7.30 9.46 10.51 7.89 7.30 6.46 7.08 7.78 2000 6.09 5.87 5.15 7.29 6.19 6.11 8.26 10.27 7.18 6.79 7.23 8.08 7.04 2001 6.45 5.96 7.27 6.32 6.48 6.73 7.60 11.35 7.62 7.22 5.46 9.19 7.30 2002 6.89 6.82 7.49 8.56 6.99 6.70 7.62 7.30 7.57 6.69 7.12 7.26 7.25 2003 6.65 6.23 6.14 7.66 6.31 6.95 7.86 10.04 6.75 6.96 5.60 7.61 7.06 MEAN 6.56 6.35 7.13 7.77 7.09 7.18 8.64 9.43 7.77 7.29 6.94 7.19 7.44 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 12 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 12.81 11.52 11.92 15.65 15.45 13.78 10.87 11.05 ***** 1988 10.88 10.92 12.21 14.08 12.91 12.02 15.68 15.01 11.70 12.14 10.88 10.59 12.42 1989 8.62 8.76 11.01 11.51 9.51 11.05 15.59 13.37 12.67 11.81 12.95 12.31 11.60 1990 9.45 9.99 9.80 9.76 9.69 10.19 11.74 10.50 10.01 10.67 9.99 9.50 10.11 1991 11.78 9.40 13.29 11.33 8.48 11.89 12.57 14.88 14.42 14.84 10.47 12.63 12.16 1992 8.88 9.00 10.29 11.60 11.35 10.36 12.97 15.26 11.85 10.31 11.93 11.85 11.30 1993 10.53 11.64 12.32 15.21 12.81 12.43 15.02 13.34 13.36 10.50 11.17 10.08 12.37 1994 10.89 7.58 10.33 12.07 11.01 10.64 13.38 12.41 10.70 12.65 14.85 10.04 11.38 1995 11.29 11.88 11.98 11.93 11.32 10.95 14.80 15.71 11.86 9.20 8.62 10.36 11.66 1996 11.37 12.99 13.20 13.44 13.88 10.63 13.47 15.13 12.52 10.18 10.69 11.42 12.41 1997 9.74 6.10 10.17 13.15 12.25 12.65 12.60 13.67 10.04 13.96 14.54 13.02 11.82 1998 10.35 10.91 12.93 12.29 12.65 13.60 15.19 17.64 14.51 10.65 9.67 9.41 12.48 1999 11.76 12.69 11.71 12.65 10.18 11.41 14.65 16.29 12.34 11.52 10.24 11.27 12.23 2000 9.68 9.34 8.18 11.48 9.73 9.56 12.84 15.90 11.25 10.73 11.48 12.83 11.08 2001 10.26 9.48 11.49 9.98 10.17 10.49 11.82 17.58 11.95 11.40 8.68 14.56 11.49 2002 10.97 10.84 11.83 13.46 10.96 10.47 11.87 11.38 11.88 10.57 11.28 11.53 11.42 2003 10.59 9.88 9.72 12.06 9.93 10.85 12.22 15.58 10.59 10.99 8.90 12.10 11.12 MEAN 10.44 10.09 11.28 12.25 11.16 11.22 13.43 14.66 12.18 11.52 11.01 11.44 11.72 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 13 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 47.46 55.67 63.69 54.13 43.70 25.47 16.44 6.66 ***** 1988 3.69 7.31 10.24 20.57 41.82 54.81 57.68 55.54 48.72 32.42 14.75 7.57 29.59 1989 4.56 7.64 12.63 25.17 45.19 51.41 64.40 59.60 44.31 31.30 12.37 3.77 30.20 1990 4.35 6.84 14.23 23.95 51.91 60.50 66.37 60.47 50.91 32.32 18.39 10.58 33.40 1991 3.30 7.15 8.57 25.92 39.35 55.37 58.24 52.80 41.55 23.85 17.09 4.29 28.12 1992 3.77 6.41 8.40 19.53 36.75 55.66 57.41 54.19 48.27 30.14 13.75 3.91 28.18 1993 3.60 5.40 10.29 16.85 36.90 55.25 62.55 60.11 47.01 33.01 13.92 10.31 29.60 1994 7.74 11.59 14.75 27.87 42.62 57.75 57.04 57.06 49.18 29.53 10.58 4.68 30.87 1995 5.07 6.50 11.79 21.71 44.78 58.31 56.73 60.66 46.85 33.09 18.59 5.94 30.84 1996 5.01 6.74 9.20 21.33 45.83 59.96 71.56 63.11 49.91 32.15 16.91 10.05 32.65 1997 7.70 11.51 10.13 18.09 41.82 59.42 60.32 55.54 51.61 31.07 10.46 3.88 30.13 1998 4.06 7.77 10.17 25.17 45.21 65.38 65.10 64.73 51.28 35.26 22.52 14.96 34.30 1999 5.48 7.02 11.24 26.86 51.20 66.33 61.96 65.29 50.32 36.55 16.61 7.48 33.86 2000 6.35 8.81 17.15 34.53 50.83 61.55 70.89 64.49 48.47 31.20 12.87 4.26 34.28 2001 5.67 9.22 16.13 30.67 48.82 60.47 65.94 61.21 50.41 35.35 17.97 5.62 33.96 2002 4.43 7.88 14.58 19.98 47.40 61.07 68.19 63.47 50.71 38.30 15.49 6.15 33.14 2003 5.92 9.44 14.44 27.17 46.13 62.41 63.25 60.93 51.51 36.42 17.99 6.13 33.48 MEAN 5.04 7.95 12.12 24.09 44.94 58.90 63.02 59.61 48.51 32.20 15.69 6.84 31.58 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 14 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 *** *** *** *** 23 20 18 25 28 39 44 67 *** 1988 77 63 59 45 26 20 23 23 21 29 48 63 41 1989 69 56 50 35 21 20 22 20 24 30 54 79 40 1990 71 63 44 34 18 17 17 17 19 28 39 52 35 1991 80 59 64 34 20 20 20 24 28 43 41 77 43 1992 72 61 58 40 26 17 20 24 22 28 50 78 41 1993 77 70 58 52 29 20 21 20 24 27 48 53 42 1994 63 43 45 34 23 17 21 20 19 33 63 70 38 1995 72 67 54 40 22 18 23 22 22 24 34 67 39 1996 72 69 61 43 26 17 17 22 22 27 43 57 40 1997 60 38 53 45 26 19 19 22 18 35 61 79 40 1998 74 61 59 36 24 19 21 24 24 25 32 41 37 1999 71 67 55 34 18 16 21 22 22 26 41 64 38 2000 64 55 35 27 17 15 17 22 21 28 51 77 36 2001 67 54 45 27 19 16 17 25 21 27 37 74 36 2002 73 61 48 45 21 16 16 17 21 24 45 67 38 2003 67 53 43 34 20 16 18 23 19 25 35 70 35 MEAN 71 59 52 38 22 18 19 22 22 29 45 67 38 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 15 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 *** *** *** *** 37 35 32 40 41 54 64 83 *** 1988 90 83 78 64 41 31 34 36 32 40 65 78 56 1989 86 74 71 55 36 34 33 31 38 43 71 91 55 1990 87 82 63 49 30 29 29 28 30 41 56 68 49 1991 91 77 82 52 36 32 33 38 43 61 57 89 58 1992 89 82 78 61 43 28 33 36 33 38 66 91 57 1993 91 87 79 73 48 34 33 31 39 40 68 73 58 1994 78 62 65 53 37 29 33 31 30 47 79 87 53 1995 88 85 73 60 38 31 38 34 35 35 50 84 54 1996 87 85 77 65 39 31 27 36 36 39 60 73 55 1997 78 58 73 64 39 30 30 35 28 49 79 92 55 1998 87 78 76 56 36 30 33 37 33 36 45 53 50 1999 83 82 73 47 30 25 32 34 33 36 58 78 51 2000 80 75 53 37 27 24 27 37 31 43 68 89 49 2001 83 73 63 42 31 28 29 40 33 40 53 88 50 2002 88 77 63 64 36 28 29 29 33 35 64 83 52 2003 83 72 63 51 33 27 29 38 30 37 50 85 50 MEAN 86 77 71 56 36 30 31 35 34 42 62 81 53 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 16 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 *** *** *** *** 14 10 10 17 18 28 28 52 *** 1988 63 46 42 30 18 14 16 16 14 21 34 48 30 1989 53 40 34 21 12 11 14 13 15 21 39 64 28 1990 55 46 29 18 12 9 10 10 10 17 24 35 23 1991 67 41 49 21 11 13 12 15 18 29 28 63 31 1992 55 41 41 25 17 11 13 16 14 18 37 64 29 1993 63 55 42 37 19 13 14 12 14 17 32 36 30 1994 48 28 31 22 15 11 14 12 12 21 50 53 26 1995 57 50 39 24 14 11 14 15 15 16 21 50 27 1996 58 54 47 29 18 10 12 13 14 17 30 42 29 1997 43 23 38 31 18 13 12 14 11 25 46 66 28 1998 61 47 44 23 17 13 14 15 16 16 22 29 26 1999 58 53 39 24 12 11 14 14 14 18 28 50 28 2000 48 37 22 19 12 10 11 13 13 18 37 65 25 2001 52 38 30 17 13 11 11 16 13 18 25 60 25 2002 58 46 34 32 14 11 10 11 13 16 31 51 27 2003 53 38 29 22 13 10 12 13 12 17 24 56 25 MEAN 56 43 37 25 15 11 13 14 14 20 32 52 28 RH=0 =====> RELATIVE HUMIDITY < 0.5% =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 17 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF RELATIVE HUMIDITY AT 03 UTC. IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 *** *** *** *** 37 34 32 39 40 50 62 77 *** 1988 88 80 74 63 42 31 34 36 32 40 63 75 55 1989 84 72 68 55 36 31 32 30 38 42 68 90 54 1990 86 81 61 46 29 29 29 28 30 41 54 66 48 1991 88 74 79 50 36 32 32 38 42 59 56 87 56 1992 85 79 75 58 43 28 33 36 32 38 64 88 55 1993 89 84 77 71 48 34 31 31 38 38 67 70 57 1994 75 60 61 51 36 29 33 31 29 46 73 84 51 1995 85 82 71 57 37 31 38 32 33 34 48 81 52 1996 84 83 76 64 39 30 26 36 34 38 58 72 53 1997 75 57 69 63 39 30 30 35 27 48 74 89 53 1998 84 76 72 55 36 29 33 35 33 35 43 51 49 1999 80 80 70 46 30 25 32 33 33 36 55 76 50 2000 77 74 51 35 27 24 27 36 31 41 67 84 48 2001 82 70 62 42 31 28 29 39 32 39 51 84 49 2002 86 75 62 62 35 28 29 29 33 35 63 81 52 2003 82 69 60 50 32 27 29 38 30 36 49 83 49 MEAN 83 75 68 54 36 29 31 34 33 41 60 79 52 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 18 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF RELATIVE HUMIDITY AT 09 UTC. IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 *** *** *** *** 19 16 13 20 23 33 34 57 *** 1988 72 54 53 37 20 16 20 18 16 24 41 54 35 1989 64 48 42 28 15 14 18 16 19 25 45 71 34 1990 61 53 35 22 13 12 14 13 14 23 30 44 28 1991 74 50 55 27 15 15 16 20 24 36 32 68 36 1992 63 53 51 33 20 14 17 19 17 21 42 71 35 1993 70 64 47 44 22 15 18 16 19 20 37 45 35 1994 57 38 38 28 19 13 17 16 15 27 58 60 32 1995 65 62 47 33 18 14 18 18 17 18 27 60 33 1996 65 61 53 33 21 12 14 16 17 20 36 49 33 1997 54 29 44 38 20 15 16 18 13 29 53 74 34 1998 68 54 53 30 19 15 16 20 19 19 26 34 31 1999 67 60 48 27 14 12 17 17 18 21 34 56 33 2000 60 49 28 21 13 11 13 17 16 23 44 70 30 2001 59 46 40 21 14 13 13 20 16 22 30 67 30 2002 66 58 41 36 15 12 12 13 17 18 36 59 32 2003 59 45 34 26 14 12 13 18 14 19 29 63 29 MEAN 64 52 44 30 17 14 16 17 17 23 37 59 33 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 19 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M AVERAGE OF RELATIVE HUMIDITY AT 15 UTC. IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 *** *** *** *** 19 14 13 20 27 40 46 71 *** 1988 78 64 58 43 23 17 19 21 19 27 46 64 40 1989 67 55 47 31 18 14 17 17 20 29 55 81 38 1990 73 62 42 29 16 12 12 12 16 27 41 53 33 1991 81 57 62 31 14 16 14 19 23 40 40 80 40 1992 74 60 54 39 21 14 16 20 20 28 50 80 40 1993 76 69 56 50 26 17 17 17 20 27 45 51 39 1994 64 38 41 32 20 14 17 15 17 31 65 71 35 1995 73 65 52 35 18 13 17 20 21 23 34 66 36 1996 75 69 60 40 23 13 15 16 19 26 40 59 38 1997 59 35 49 40 24 16 14 17 17 33 63 81 37 1998 76 63 57 32 22 17 17 19 22 25 35 45 36 1999 72 67 54 34 17 15 17 18 19 24 39 67 37 2000 63 50 32 27 17 12 14 17 18 27 48 81 34 2001 69 53 42 25 17 14 14 18 19 26 35 76 34 2002 74 57 46 42 19 14 13 13 18 24 42 68 36 2003 68 51 41 30 18 15 15 16 16 26 37 71 34 MEAN 71 57 50 35 20 15 15 17 19 28 45 69 37 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 20 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1987 *** *** *** *** 31 30 31 31 30 26 11 0 *** 1988 0 0 2 17 31 30 31 31 30 30 10 0 212 1989 0 0 1 21 31 30 31 31 30 29 1 0 205 1990 0 0 1 18 31 30 31 31 30 28 11 0 211 1991 0 0 0 20 31 29 30 31 30 25 4 0 200 1992 0 0 0 13 31 30 31 31 30 31 4 0 201 1993 0 0 1 14 30 30 31 31 30 31 3 0 201 1994 0 0 1 26 31 30 31 31 30 30 4 0 214 1995 0 0 1 19 31 30 31 31 30 31 9 0 213 1996 0 0 0 18 31 30 31 31 30 30 6 0 207 1997 0 1 0 15 30 30 31 31 30 28 1 0 197 1998 0 0 2 23 31 30 31 31 30 30 17 1 226 1999 0 0 1 25 31 30 31 31 30 31 6 0 216 2000 0 0 7 30 31 30 31 31 30 30 1 0 221 2001 0 0 5 29 31 30 31 31 30 31 8 0 226 2002 0 0 4 15 31 30 31 31 30 31 4 0 207 2003 0 0 3 25 31 30 31 31 30 30 9 0 220 MEAN 0.0 0.1 1.8 20.5 30.9 29.9 30.9 31.0 30.0 29.5 6.4 0.1 211.1 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 21 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1987 *** *** *** *** 0 0 0 0 0 0 0 0 *** 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 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 0 0 0 0 0 0 0 0 0 0 0 0 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 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 22 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1987 *** *** *** *** 30 30 31 31 30 14 0 0 *** 1988 0 0 0 6 21 30 31 31 29 19 2 0 169 1989 0 0 1 4 24 30 31 31 28 16 0 0 165 1990 0 0 0 3 25 30 31 31 30 18 0 0 168 1991 0 0 0 4 17 30 31 31 30 11 1 0 155 1992 0 0 0 4 25 30 31 31 28 6 0 0 155 1993 0 0 0 1 23 30 31 31 30 19 3 0 168 1994 0 0 0 11 26 30 31 31 30 23 1 0 183 1995 0 0 0 3 26 30 31 31 28 11 0 0 160 1996 0 0 0 3 29 30 31 31 30 15 0 0 169 1997 0 0 0 3 24 30 31 31 30 22 0 0 171 1998 0 0 0 6 27 30 31 31 30 19 0 0 174 1999 0 0 0 10 28 30 31 31 30 24 2 0 186 2000 0 0 2 19 29 30 31 31 30 16 1 0 189 2001 0 0 0 11 30 30 31 31 30 30 0 0 193 2002 0 0 0 7 30 30 31 31 30 24 1 0 184 2003 0 0 0 14 28 30 31 31 30 25 2 0 191 MEAN 0.0 0.0 0.2 6.8 26.0 30.0 31.0 31.0 29.6 18.4 0.8 0.0 173.8 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 23 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1987 *** *** *** *** 0 0 0 0 0 0 0 0 *** 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 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 0 0 0 0 0 0 0 0 0 0 0 0 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 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 24 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 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 1987 *** *** *** *** 0 0 0 0 0 0 0 0 *** 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 2 0 0 0 0 0 0 0 0 0 0 0 2 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 1 0 0 0 0 0 0 0 0 0 0 0 1 1993 0 1 0 0 0 0 0 0 0 0 0 0 1 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 1 0 0 0 0 0 0 0 0 0 0 1 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 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 0.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 25 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M MONTHLY TOTAL OF PRECIPITATION IN MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 0.0 0.0 2.8 3.0 0.0 17.6 0.9 122.2 ****** 1988 70.6 80.3 47.0 34.9 0.2 0.0 0.0 0.0 0.0 0.7 54.2 35.9 323.8 1989 33.1 31.0 25.8 12.7 0.4 0.0 0.0 0.0 0.0 4.0 28.9 215.8 351.7 1990 66.9 37.3 4.8 12.4 0.7 0.0 0.0 0.0 0.0 28.2 16.6 21.5 188.4 1991 80.4 52.6 34.3 7.2 0.0 0.0 0.0 0.0 0.0 59.6 0.3 173.4 407.8 1992 56.9 53.6 53.2 1.5 2.2 0.0 0.0 0.0 0.0 0.0 21.4 120.9 309.7 1993 112.3 154.4 43.5 29.2 1.5 0.0 0.0 0.0 0.0 3.6 20.8 4.1 369.4 1994 48.5 0.7 43.2 14.1 10.2 0.0 0.0 0.0 0.0 14.0 151.5 28.3 310.5 1995 24.3 52.2 22.4 34.9 0.5 0.0 0.0 0.0 0.0 0.0 2.0 77.6 213.9 1996 205.5 94.4 89.8 70.3 2.0 0.0 0.2 0.0 0.0 1.4 5.8 19.0 488.4 1997 34.0 0.0 253.0 25.7 10.4 0.0 0.0 0.0 0.0 4.4 36.5 151.3 515.3 1998 122.4 36.4 83.7 4.0 0.0 1.0 0.0 0.0 0.0 0.1 0.6 2.0 250.2 1999 141.7 88.7 87.2 3.1 0.0 0.0 0.0 0.0 0.0 0.1 10.9 60.0 391.7 2000 54.6 20.2 2.2 0.0 0.0 0.0 0.0 1.0 0.0 1.7 16.8 196.3 292.8 2001 21.8 14.0 32.0 0.0 2.0 0.0 0.0 0.0 0.8 2.6 10.4 196.3 279.9 2002 88.1 34.0 32.1 69.8 3.0 0.0 0.0 0.0 0.0 0.0 5.9 153.2 386.1 2003 71.0 22.6 19.1 10.4 0.0 0.0 0.0 0.0 0.0 0.0 4.5 51.6 179.2 MEAN 77.0 48.3 54.6 20.6 1.9 0.1 0.2 0.2 0.0 8.1 22.8 95.8 329.6 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 26 LATITUDE 31 16 N LONGITUDE 49 36 E DATA PROCESSING CENTER ELEVATION 150.5 M GREATEST DAILY OF PRECIPITATION IN MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1987 ***** ***** ***** ***** 0.0 0.0 2.0 3.0 0.0 10.0 0.9 43.4 ****** DAY ** ** ** ** ** ** 28 1 ** 30 3 28 1988 18.0 51.0 29.3 17.9 0.2 0.0 0.0 0.0 0.0 0.7 38.2 14.7 51.0 DAY 13 17 5 26 2 ** ** ** ** 31 13 17 1989 12.0 19.0 8.0 4.0 0.3 0.0 0.0 0.0 0.0 4.0 10.0 105.0 105.0 DAY 3 23 16 26 8 ** ** ** ** 31 12 4 1990 20.0 14.3 4.0 11.2 0.7 0.0 0.0 0.0 0.0 28.2 16.0 16.0 28.2 DAY 4 5 14 3 12 ** ** ** ** 29 28 21 1991 22.4 20.0 18.0 5.0 0.0 0.0 0.0 0.0 0.0 26.0 0.3 59.0 59.0 DAY 3 21 6 4 ** ** ** ** ** 3 30 10 1992 22.0 36.0 23.0 1.1 2.0 0.0 0.0 0.0 0.0 0.0 11.0 43.0 43.0 DAY 21 25 18 25 9 ** ** ** ** ** 12 15 1993 49.0 88.6 15.0 14.0 1.0 0.0 0.0 0.0 0.0 3.0 8.0 3.3 88.6 DAY 31 3 9 27 6 ** ** ** ** 29 11 15 1994 17.0 0.6 24.0 6.6 7.0 0.0 0.0 0.0 0.0 11.0 38.0 7.5 38.0 DAY 16 1 12 17 5 ** ** ** ** 18 25 19 1995 10.0 18.0 11.0 14.0 0.3 0.0 0.0 0.0 0.0 0.0 2.0 24.0 24.0 DAY 12 23 20 12 26 ** ** ** ** ** 24 12 1996 96.0 51.0 25.0 39.0 2.0 0.0 0.2 0.0 0.0 1.0 3.0 9.0 96.0 DAY 5 5 22 15 12 ** 16 ** ** 11 28 23 1997 15.0 0.0 127.0 11.0 9.0 0.0 0.0 0.0 0.0 4.0 14.0 44.0 127.0 DAY 16 ** 16 18 5 ** ** ** ** 23 3 10 1998 48.0 15.0 40.0 2.0 0.0 1.0 0.0 0.0 0.0 0.1 0.6 1.0 48.0 DAY 5 16 30 20 ** 17 ** ** ** 11 12 2 1999 45.0 24.0 27.0 2.0 0.0 0.0 0.0 0.0 0.0 0.1 3.8 27.0 45.0 DAY 9 5 13 2 ** ** ** ** ** 31 15 2 2000 19.0 19.0 2.0 0.0 0.0 0.0 0.0 1.0 0.0 1.0 9.0 60.0 60.0 DAY 17 14 25 ** ** ** ** 15 ** 3 18 1 2001 8.0 7.0 15.0 0.0 2.0 0.0 0.0 0.0 0.8 2.6 6.0 50.0 50.0 DAY 27 10 26 ** 3 ** ** ** 21 28 29 8 2002 39.0 20.0 17.0 31.0 3.0 0.0 0.0 0.0 0.0 0.0 2.4 54.0 54.0 DAY 8 20 18 12 12 ** ** ** ** ** 1 10 2003 36.0 10.0 16.0 3.8 0.0 0.0 0.0 0.0 0.0 0.0 2.0 19.0 36.0 DAY 4 4 26 14 ** ** ** ** ** ** 30 2 1987-2003 96.0 88.6 127.0 39.0 9.0 1.0 2.0 3.0 0.8 28.2 38.2 105.0 127.0 YEAR-DAY 96- 5 93- 3 97-16 96-15 97- 5 98-17 87-28 87- 1 1-21 90-29 88-13 89- 4 97 =============================================================================================== TEHRAN 2002,MAY M.(S & A) STATION RAMHORMOZ (40813) I.R OF IR