Station Name: Marion Island WMO Station Number: 68994 National I.D. Number: Country: SOUTH AFRICA WMO Region: REGION I - AFRICA Latitude: 46d 53m S Longitude: 037d 52m E Elevation: 22 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 10.6 4.8 7.2 Feb 10.9 5.3 7.7 Mar 10.6 5.0 7.4 Apr 9.2 3.8 6.2 May 7.9 2.8 5.1 Jun 7.3 2.2 4.7 Jul 6.6 1.7 4.1 Aug 6.3 1.2 3.7 Sep 6.6 1.4 3.8 Oct 7.7 2.0 4.5 Nov 8.8 2.8 5.3 Dec 9.8 3.8 6.3 Annual 8.5 3.1 5.5 Ann-NCDC 8.5 3.1 5.5 ---------------------------------- 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 23.8 16.4 Feb 22.9 16.6 Mar 21.8 17.1 Apr 18.4 14.7 May 18.4 13.3 Jun 14.8 12.3 Jul 13.5 11.1 Aug 16.2 11.3 Sep 15.9 11.9 Oct 17.5 13.2 Nov 19.2 15.0 Dec 20.0 15.5 Annual 23.8 19.1 Ann-NCDC NA 14.0 -------------------------- 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 -1.4 1.1 Feb -1.4 0.9 Mar -1.1 1.0 Apr -2.2 -0.2 May -3.0 -1.1 Jun -6.0 -2.3 Jul -6.0 -2.9 Aug -5.5 -3.3 Sep -6.5 -3.3 Oct -4.7 -2.2 Nov -3.1 -1.2 Dec -1.5 -0.1 Annual -6.5 -4.3 Ann-NCDC NA -1.1 -------------------------- 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 219.0 89.5 174.5 198.2 230.7 273.0 349.9 Feb 195.0 73.0 133.4 168.9 205.2 254.0 332.6 Mar 216.0 52.2 163.7 195.2 224.9 256.3 402.4 Apr 219.0 100.7 152.9 191.0 234.1 289.6 363.3 May 232.0 99.0 182.0 212.0 238.0 265.0 428.0 Jun 204.0 103.0 162.0 184.0 206.0 234.0 460.0 Jul 194.0 98.0 159.0 180.0 204.0 227.0 307.0 Aug 187.0 106.6 153.4 175.1 200.7 227.3 249.7 Sep 183.0 117.8 146.3 166.3 185.4 207.2 359.5 Oct 17.0 74.0 142.0 153.0 180.0 201.0 287.0 Nov 17.0 47.0 129.0 154.0 195.0 222.0 292.0 Dec 203.0 106.0 165.0 190.8 206.4 242.1 302.3 Annual 2399.0 1867.3 2112.9 2250.3 2497.8 2682.5 2992.6 Ann-NCDC 2086.0 NA NA NA NA NA NA ------------------------------------------------------------------ Element 11: Relative Humidity (%) MN_HRLY (Statistic 69): Mean of Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 83.0 Feb 84.0 Mar 84.0 Apr 84.0 May 85.0 Jun 86.0 Jul 85.0 Aug 84.0 Sep 83.0 Oct 82.0 Nov 82.0 Dec 83.0 Annual 84.0 Ann-NCDC 83.8 ------------------ Element 13: Station Pressure (hPa) MN_HRLY (Statistic 69): Mean of Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1004.4 Feb 1008.4 Mar 1009.5 Apr 1008.6 May 1007.2 Jun 1008.4 Jul 1008.2 Aug 1008.7 Sep 1007.9 Oct 1009.1 Nov 1005.8 Dec 1002.7 Annual 1007.4 Ann-NCDC 1007.4 ------------------ Element 14: Vapor Pressure (hPa) MN_HRLY (Statistic 69): Mean of Hourly Observations ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 8.4 Feb 8.8 Mar 8.6 Apr 8.0 May 7.5 Jun 7.3 Jul 7.0 Aug 6.7 Sep 6.6 Oct 6.9 Nov 7.3 Dec 7.9 Annual 7.6 Ann-NCDC 7.6 ------------------ Element 15: Sunshine MN_#HRS (Statistic 44): Mean Number of Hours ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 160.4 Feb 134.7 Mar 114.2 Apr 90.8 May 82.1 Jun 57.5 Jul 65.9 Aug 91.7 Sep 103.9 Oct 137.7 Nov 159.1 Dec 159.9 Annual 1357.9 Ann-NCDC 1357.9 ------------------ 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 21.0 Feb 18.0 Mar 19.0 Apr 20.0 May 22.0 Jun 23.0 Jul 23.0 Aug 22.0 Sep 21.0 Oct 19.0 Nov 19.0 Dec 20.0 Annual 247.0 Ann-NCDC 247.0 ------------------