Station Name: Durban/Louis Botha WMO Station Number: 68588 National I.D. Number: Country: SOUTH AFRICA WMO Region: REGION I - AFRICA Latitude: 29d 58m S Longitude: 030d 57m E Elevation: 8 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) MNDLYMX (Statistic 09): Mean Daily Maximum Value MNDLYMI (Statistic 10): Mean Daily Minimum Value MN_HRLY (Statistic 69): Mean of Hourly Observations ---------------------------------- byr: 1961 1961 1961 eyr: 1990 1990 1990 Statistic: MNDLYMX MNDLYMI MN_HRLY Month ---------------------------------- Jan 27.8 21.1 24.1 Feb 28.0 21.1 24.3 Mar 27.7 20.3 23.7 Apr 26.1 17.4 21.6 May 24.5 13.8 19.1 Jun 23.0 10.6 16.6 Jul 22.6 10.5 16.5 Aug 22.8 12.5 17.7 Sep 23.3 15.3 19.2 Oct 24.0 16.8 20.1 Nov 25.2 18.3 21.4 Dec 26.9 20.0 23.1 Annual 25.2 16.5 20.6 Ann-NCDC 25.2 16.5 20.6 ---------------------------------- Element 02: Maximum Dry Bulb Temperature (deg C) MAX_VAL (Statistic 04): Maximum Value MNMLYMX (Statistic 18): Mean Monthly Maximum Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MAX_VAL MNMLYMX Month -------------------------- Jan 36.2 32.6 Feb 33.9 31.7 Mar 34.8 32.0 Apr 36.0 30.4 May 33.8 30.2 Jun 35.7 28.8 Jul 33.8 28.9 Aug 35.9 29.7 Sep 36.9 30.3 Oct 40.0 30.5 Nov 33.5 30.6 Dec 35.9 32.0 Annual 40.0 34.5 Ann-NCDC NA 30.6 -------------------------- Element 03: Minimum Dry Bulb Temperature (deg C) MIN_VAL (Statistic 05): Minimum Value MNMLYMI (Statistic 19): Mean Monthly Minimum Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MIN_VAL MNMLYMI Month -------------------------- Jan 14.0 17.3 Feb 13.3 17.1 Mar 11.6 16.1 Apr 8.6 12.3 May 4.9 8.7 Jun 3.5 5.9 Jul 2.6 5.8 Aug 2.6 7.3 Sep 4.5 10.0 Oct 8.3 11.9 Nov 10.3 13.8 Dec 11.8 15.9 Annual 2.6 5.3 Ann-NCDC NA 11.8 -------------------------- 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 ------------------------------------------------------------------ byr: 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 Statistic: MEANMLY MIN_MLY QUIN20% QUIN40% QUIN60% QUIN80% MAX_MLY Month ------------------------------------------------------------------ Jan 134.0 37.5 88.5 102.1 130.6 188.1 310.2 Feb 113.0 20.6 34.5 82.1 117.3 184.0 360.8 Mar 126.0 17.8 38.5 81.4 128.2 195.8 396.7 Apr 73.0 19.8 34.2 47.9 64.8 115.0 274.8 May 59.0 1.0 18.0 25.0 62.0 96.0 227.0 Jun 28.0 0.0 6.0 15.0 21.0 36.0 139.0 Jul 39.0 1.0 4.0 20.0 30.0 49.0 147.0 Aug 62.0 2.5 19.8 43.1 66.8 94.0 252.2 Sep 73.0 12.6 25.9 51.4 71.7 88.1 401.6 Oct 9.0 23.0 55.0 79.0 94.0 123.0 250.0 Nov 10.0 38.0 66.0 87.0 101.0 141.0 246.0 Dec 102.0 27.0 66.2 78.6 104.1 140.6 232.8 Annual 1015.0 604.0 871.1 1018.0 1084.3 1139.3 1283.8 Ann-NCDC 828.0 NA NA NA NA NA NA ------------------------------------------------------------------ Element 11: Relative Humidity (%) MN_HRLY (Statistic 69): Mean of Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 80.0 Feb 80.0 Mar 80.0 Apr 78.0 May 76.0 Jun 72.0 Jul 72.0 Aug 75.0 Sep 77.0 Oct 78.0 Nov 79.0 Dec 79.0 Annual 77.0 Ann-NCDC 77.2 ------------------ Element 13: Station Pressure (hPa) MN_HRLY (Statistic 69): Mean of Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1012.8 Feb 1013.2 Mar 1015.1 Apr 1016.6 May 1018.6 Jun 1021.0 Jul 1022.0 Aug 1020.3 Sep 1018.7 Oct 1017.2 Nov 1015.5 Dec 1013.2 Annual 1017.0 Ann-NCDC 1017.0 ------------------ Element 14: Vapor Pressure (hPa) MN_HRLY (Statistic 69): Mean of Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 23.9 Feb 24.1 Mar 23.2 Apr 20.0 May 16.6 Jun 13.5 Jul 13.4 Aug 15.0 Sep 17.0 Oct 18.2 Nov 20.1 Dec 22.2 Annual 18.9 Ann-NCDC 18.9 ------------------ Element 15: Sunshine MN_#HRS (Statistic 44): Mean Number of Hours ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 184.0 Feb 178.8 Mar 201.6 Apr 206.4 May 223.6 Jun 224.9 Jul 230.4 Aug 217.0 Sep 173.3 Oct 169.4 Nov 166.1 Dec 189.9 Annual 2365.4 Ann-NCDC 2365.4 ------------------ Element 95: Number Days with Precipitation GE Threshold (count) Qualifier: 1.0 mm MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 10.0 Feb 9.0 Mar 9.0 Apr 6.0 May 4.0 Jun 3.0 Jul 3.0 Aug 5.0 Sep 7.0 Oct 10.0 Nov 12.0 Dec 10.0 Annual 88.0 Ann-NCDC 88.0 ------------------