Station Name: AHMEDABAD WMO Station Number: 42647 National I.D. Number: Country: INDIA WMO Region: REGION II - ASIA Latitude: 23d 04m N Longitude: 072d 38m E Elevation: 55 m In the following tables, byr = beginning year of normals or extremes data period eyr = ending year of normals or extremes data period NA = Not Applicable, data not submitted or not computed * = value > 0 but < units resolution Ann-NCDC = annual value computed by NCDC from monthly values provided by Members ========================================================== The normals data and climate variable descriptions are presented in these tables as provided by the WMO Member country. ========================================================== Element 01: Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1971 1971 eyr: 1990 1990 Statistic: MEAN #_YEARS Month -------------------------- Jan 20.1 18 Feb 22.2 20 Mar 27.3 20 Apr 31.7 20 May 33.9 20 Jun 32.8 20 Jul 29.5 20 Aug 28.2 20 Sep 29.1 20 Oct 28.5 20 Nov 24.7 20 Dec 21.3 20 Annual 27.4 NA Ann-NCDC 27.4 NA -------------------------- Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------------------------------ byr: 1971 1971 1971 1971 eyr: 1990 1990 1990 1990 Statistic: MEAN MAX_DLY DATEMAX #_YEARS Month ------------------------------------------ Jan 28.3 34.2 199024 18 Feb 30.4 37.4 198528 20 Mar 35.6 42.6 197126 20 Apr 39.8 44.6 197927 20 May 41.5 45.9 197217 20 Jun 38.4 46.0 197304 20 Jul 33.4 40.1 198709 20 Aug 31.8 40.2 198716 20 Sep 34.0 41.4 197418 20 Oct 35.8 40.8 198702 20 Nov 32.8 37.9 198701 20 Dec 29.3 35.0 198701 20 Annual 34.3 46.0 NA NA Ann-NCDC 34.3 NA NA NA ------------------------------------------ Element 02: Maximum Dry Bulb Temperature (deg C) Qualifier: 11: Maximum Daily Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 18 Feb 20 Mar 20 Apr 20 May 20 Jun 20 Jul 20 Aug 20 Sep 20 Oct 20 Nov 20 Dec 20 Annual NA Ann-NCDC NA ------------------ Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MIN_DLY (Statistic 13): Minimum Daily Value DATEMIN (Statistic 14): Date (Year/Day) of Occurrence of Minimum Daily Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------------------------------ byr: 1971 1971 1971 1971 eyr: 1990 1990 1990 1990 Statistic: MEAN MIN_DLY DATEMIN #_YEARS Month ------------------------------------------ Jan 11.8 4.1 197328 18 Feb 13.9 3.3 198421 20 Mar 18.9 9.2 198202 20 Apr 23.7 17.3 198904 20 May 26.2 18.9 197427 20 Jun 27.2 20.9 197504 20 Jul 25.6 20.2 198307 20 Aug 24.6 21.0 198412 20 Sep 24.2 17.0 197225 20 Oct 21.1 12.4 198329 20 Nov 16.6 8.1 197529 20 Dec 13.2 3.4 198327 20 Annual 20.7 3.3 NA NA Ann-NCDC 20.6 NA NA NA ------------------------------------------ Element 03: Minimum Dry Bulb Temperature (deg C) Qualifier: 13: Minimum Daily Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 18 Feb 20 Mar 20 Apr 20 May 20 Jun 20 Jul 20 Aug 20 Sep 20 Oct 20 Nov 20 Dec 20 Annual NA Ann-NCDC NA ------------------ Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value MIN_MLY (Statistic 20): Minimum Monthly Value QUIN20% (Statistic 22): First Quintile QUIN40% (Statistic 23): Second Quintile QUIN60% (Statistic 24): Third Quintile QUIN80% (Statistic 25): Fourth Quintile MAX_MLY (Statistic 26): Maximum Monthly Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------------------------------------------------------- byr: 1971 1961 1961 1961 1961 1961 1961 1971 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 Statistic: MEANMLY MIN_MLY QUIN20% QUIN40% QUIN60% QUIN80% MAX_MLY #_YEARS Month -------------------------------------------------------------------------- Jan 2.0 .0 .0 .0 .0 3.0 16.2 18 Feb 1.0 .0 .0 .0 .0 .9 9.7 18 Mar .0 .0 .0 .0 .0 .2 21.1 17 Apr 3.0 .0 .0 .0 .0 .8 24.4 18 May 20.0 .0 .0 .0 1.2 12.8 212.7 18 Jun 103.0 1.0 28.1 59.8 99.4 171.6 345.8 18 Jul 247.0 35.8 125.8 203.1 274.3 376.8 646.0 18 Aug 288.0 48.6 103.4 175.0 263.5 387.6 609.8 18 Sep 83.0 .0 7.9 50.6 94.3 185.1 485.3 18 Oct 23.0 .0 .0 .0 .8 11.7 257.0 18 Nov 14.0 .0 .0 .0 .0 8.5 100.4 18 Dec 5.0 .0 .0 .0 .0 1.9 31.2 18 Annual 783.0 301.6 465.1 716.7 799.9 1046.3 1282.3 NA Ann-NCDC 789.0 NA NA NA NA NA NA NA -------------------------------------------------------------------------- Element 11: Relative Humidity (%) MEAN (Statistic 01): Mean Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1971 1971 eyr: 1990 1990 Statistic: MEAN #_YEARS Month -------------------------- Jan 49.0 20 Feb 43.0 20 Mar 37.0 20 Apr 41.0 20 May 47.0 20 Jun 62.0 20 Jul 77.0 20 Aug 81.0 20 Sep 71.0 20 Oct 53.0 19 Nov 48.0 20 Dec 50.0 20 Annual 55.0 NA Ann-NCDC 54.9 NA -------------------------- Element 12: Sea Level Pressure (hPa) MEAN (Statistic 01): Mean Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1971 1971 eyr: 1990 1990 Statistic: MEAN #_YEARS Month -------------------------- Jan 1014.9 20 Feb 1013.2 20 Mar 1010.8 20 Apr 1007.3 20 May 1004.5 20 Jun 1000.8 20 Jul 1000.7 20 Aug 1002.2 20 Sep 1006.2 20 Oct 1010.1 19 Nov 1013.4 20 Dec 1015.3 20 Annual 1008.3 NA Ann-NCDC 1008.3 NA -------------------------- Element 14: Vapor Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 11.5 Feb 11.5 Mar 13.0 Apr 18.1 May 23.2 Jun 29.2 Jul 31.2 Aug 30.6 Sep 28.6 Oct 21.2 Nov 15.3 Dec 12.8 Annual 20.5 Ann-NCDC 20.5 ------------------ Element 15: Sunshine MN_#HRS (Statistic 44): Mean Number of Hours #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1971 1971 eyr: 1990 1990 Statistic: MN_#HRS #_YEARS Month -------------------------- Jan 287.3 18 Feb 274.3 20 Mar 277.5 18 Apr 297.2 19 May 329.6 19 Jun 238.3 20 Jul 130.1 20 Aug 111.4 20 Sep 220.6 20 Oct 290.7 19 Nov 274.1 20 Dec 288.6 19 Annual 3019.7 NA Ann-NCDC 3019.7 NA -------------------------- Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1971 1971 eyr: 1990 1990 Statistic: MEAN #_YEARS Month -------------------------- Jan 1.7 18.0 Feb 1.7 20.0 Mar 1.9 19.0 Apr 2.2 19.0 May 2.8 19.0 Jun 3.1 19.0 Jul 2.8 18.0 Aug 2.2 20.0 Sep 1.9 20.0 Oct 1.1 20.0 Nov 1.1 20.0 Dec 1.4 20.0 Annual 2.0 NA Ann-NCDC 2.0 NA -------------------------- Element 95: Number Days with Precipitation GE Threshold (count) Qualifier: 1.0 mm MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan .3 Feb .3 Mar .1 Apr .3 May .9 Jun 4.8 Jul 13.6 Aug 15.0 Sep 5.8 Oct 1.1 Nov 1.1 Dec .3 Annual 43.9 Ann-NCDC 43.6 ------------------ Element BT: Number Days with Occurrence of Rain (count) #_YEARS (Statistic 98): Number of Years used to Calculate Normal ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 18 Feb 18 Mar 17 Apr 18 May 18 Jun 18 Jul 18 Aug 18 Sep 18 Oct 18 Nov 18 Dec 18 Annual NA Ann-NCDC 215.0 ------------------