Station Name: Haikou WMO Station Number: 59758 National I.D. Number: Country: CHINA WMO Region: REGION II - ASIA Latitude: 20d 02m N Longitude: 110d 21m E Elevation: 14 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 ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 17.2 Feb 18.2 Mar 21.3 Apr 24.8 May 27.3 Jun 28.1 Jul 28.4 Aug 27.8 Sep 26.9 Oct 25.0 Nov 22.0 Dec 18.7 Annual 23.8 Ann-NCDC 23.8 ------------------ Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MAX_VAL (Statistic 04): Maximum Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN MAX_VAL Month -------------------------- Jan 20.8 33.5 Feb 22.0 37.2 Mar 25.7 38.1 Apr 29.5 38.2 May 32.0 38.2 Jun 32.6 38.4 Jul 33.1 38.4 Aug 32.1 37.0 Sep 30.6 36.0 Oct 28.3 34.5 Nov 25.1 32.3 Dec 22.1 31.5 Annual 27.8 38.4 Ann-NCDC 27.8 NA -------------------------- Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MIN_VAL (Statistic 05): Minimum Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN MIN_VAL Month -------------------------- Jan 14.6 3.2 Feb 15.7 6.5 Mar 18.6 6.4 Apr 21.9 9.8 May 24.2 16.3 Jun 25.1 21.2 Jul 25.2 21.3 Aug 24.9 21.7 Sep 24.2 17.5 Oct 22.4 15.8 Nov 19.5 10.0 Dec 16.1 5.3 Annual 21.0 3.2 Ann-NCDC 21.0 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 ------------------------------------------------------------------ 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 21.6 .0 3.1 9.7 16.9 41.1 87.9 Feb 34.2 1.8 7.1 17.6 34.9 60.3 103.0 Mar 51.3 4.7 22.4 29.9 38.4 79.3 192.8 Apr 105.9 15.0 47.6 73.6 131.9 151.9 272.4 May 182.8 83.7 131.1 154.3 185.8 241.2 368.8 Jun 211.1 55.3 135.4 167.3 235.3 309.0 409.3 Jul 210.0 29.7 118.6 159.6 200.5 261.5 589.0 Aug 224.8 61.4 119.3 173.4 217.4 363.9 422.1 Sep 250.9 54.0 106.1 200.1 254.2 370.8 767.4 Oct 201.1 .0 61.4 124.2 198.7 387.4 493.1 Nov 97.2 .2 16.8 37.5 83.9 113.7 541.9 Dec 34.1 .1 3.5 17.7 32.0 58.9 165.5 Annual 1625.0 871.5 1358.8 1499.9 1720.3 1959.9 2342.7 Ann-NCDC 1625.0 NA NA NA NA NA NA ------------------------------------------------------------------ Element 12: Sea Level Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1018.8 Feb 1016.9 Mar 1014.1 Apr 1010.9 May 1007.5 Jun 1004.7 Jul 1004.2 Aug 1004.3 Sep 1008.0 Oct 1012.8 Nov 1016.8 Dec 1019.0 Annual 1011.5 Ann-NCDC 1011.5 ------------------ Element 14: Vapor Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 17.0 Feb 18.7 Mar 22.0 Apr 26.4 May 30.1 Jun 31.7 Jul 31.6 Aug 31.8 Sep 30.3 Oct 26.6 Nov 21.7 Dec 18.0 Annual 25.5 Ann-NCDC 25.5 ------------------ Element 15: Sunshine MN_#HRS (Statistic 44): Mean Number of Hours ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 125.9 Feb 102.8 Mar 141.7 Apr 176.9 May 233.2 Jun 225.3 Jul 260.8 Aug 225.7 Sep 202.8 Oct 189.4 Nov 155.1 Dec 146.4 Annual 2186.1 Ann-NCDC 2186.0 ------------------ Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 3.0 Feb 3.2 Mar 3.2 Apr 3.2 May 2.8 Jun 2.5 Jul 2.7 Aug 2.3 Sep 2.3 Oct 2.9 Nov 3.0 Dec 2.9 Annual 2.8 Ann-NCDC 2.8 ------------------ 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 4.3 Feb 6.2 Mar 5.9 Apr 7.8 May 12.3 Jun 12.3 Jul 10.5 Aug 11.6 Sep 11.5 Oct 9.8 Nov 6.1 Dec 4.2 Annual 102.4 Ann-NCDC 102.5 ------------------