Station Name: Pietersburg WMO Station Number: 68174 National I.D. Number: Country: SOUTH AFRICA WMO Region: REGION I - AFRICA Latitude: 23d 52m S Longitude: 029d 27m E Elevation: 1230 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 28.1 17.1 22.0 Feb 27.6 16.7 21.3 Mar 26.6 15.3 20.7 Apr 24.4 12.2 17.8 May 22.4 7.9 14.7 Jun 19.6 4.7 11.7 Jul 19.9 4.4 11.8 Aug 22.1 6.7 14.1 Sep 25.2 10.4 17.5 Oct 26.1 13.3 19.3 Nov 26.5 15.2 20.3 Dec 27.4 16.4 21.3 Annual 24.7 11.7 17.7 Ann-NCDC 24.7 11.7 17.7 ---------------------------------- 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 36.4 33.0 Feb 36.0 32.0 Mar 33.9 31.3 Apr 33.7 29.5 May 31.6 27.3 Jun 26.8 24.6 Jul 27.1 24.6 Aug 32.0 28.5 Sep 34.0 32.2 Oct 36.8 33.2 Nov 36.2 33.2 Dec 35.0 32.8 Annual 36.8 34.8 Ann-NCDC NA 30.2 -------------------------- 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 10.2 13.6 Feb 10.6 12.9 Mar 8.1 10.9 Apr 3.6 7.3 May 1.4 3.7 Jun -3.5 0.6 Jul -1.4 0.6 Aug -1.0 1.8 Sep 0.2 4.8 Oct 5.4 8.6 Nov 6.9 10.3 Dec 8.8 12.3 Annual -3.5 -0.3 Ann-NCDC NA 7.3 -------------------------- 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 82.0 11.9 38.2 62.8 86.7 127.9 161.7 Feb 60.0 2.3 36.3 41.6 63.5 81.3 131.4 Mar 52.0 0.9 14.1 39.8 51.1 81.0 158.4 Apr 33.0 0.0 8.2 28.2 38.1 47.1 95.5 May 11.0 0.0 0.9 2.8 9.6 17.6 61.9 Jun 5.0 0.0 0.0 0.0 0.9 6.3 65.2 Jul 3.0 0.0 0.0 0.0 0.0 1.0 43.8 Aug 6.0 0.0 0.0 0.1 1.0 3.8 74.5 Sep 17.0 0.0 0.3 4.7 10.0 34.1 86.8 Oct 4.0 0.0 13.0 28.0 51.0 66.0 126.0 Nov 8.0 15.0 56.0 69.0 95.0 118.0 140.0 Dec 81.0 25.3 44.0 70.0 93.0 115.6 146.5 Annual 478.0 324.0 379.1 422.3 512.5 576.8 631.2 Ann-NCDC 362.0 NA NA NA NA NA NA ------------------------------------------------------------------ Element 11: Relative Humidity (%) MN_HRLY (Statistic 69): Mean of Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 69.0 Feb 70.0 Mar 71.0 Apr 69.0 May 64.0 Jun 61.0 Jul 58.0 Aug 56.0 Sep 55.0 Oct 61.0 Nov 66.0 Dec 69.0 Annual 64.0 Ann-NCDC 64.1 ------------------ Element 14: Vapor Pressure (hPa) MN_HRLY (Statistic 69): Mean of Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 17.8 Feb 17.3 Mar 16.7 Apr 13.6 May 10.1 Jun 7.8 Jul 7.6 Aug 8.6 Sep 10.7 Oct 13.1 Nov 15.2 Dec 17.0 Annual 13.0 Ann-NCDC 13.0 ------------------ Element 15: Sunshine MN_#HRS (Statistic 44): Mean Number of Hours ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 253.2 Feb 220.8 Mar 241.4 Apr 232.0 May 271.0 Jun 261.1 Jul 279.1 Aug 281.3 Sep 276.6 Oct 264.7 Nov 235.3 Dec 254.0 Annual 3070.5 Ann-NCDC 3070.5 ------------------ 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 7.0 Feb 6.0 Mar 5.0 Apr 4.0 May 2.0 Jun 1.0 Jul 0.0 Aug 1.0 Sep 1.0 Oct 5.0 Nov 8.0 Dec 7.0 Annual 47.0 Ann-NCDC 47.0 ------------------