Station Name: MACTAN INTL AP WMO Station Number: 98646 National I.D. Number: Country: PHILIPPINES WMO Region: REGION V - SOUTH-WEST PACIFIC Latitude: 10d 18m N Longitude: 123d 58m E Elevation: 24 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 MNDLYMX (Statistic 09): Mean Daily Maximum Value MNDLYMI (Statistic 10): Mean Daily Minimum Value MN_HRLY (Statistic 69): Mean of Hourly Observations ------------------------------------------ byr: 1971 1971 1971 1971 eyr: 1990 1990 1990 1990 Statistic: MEAN MNDLYMX MNDLYMI MN_HRLY Month ------------------------------------------ Jan 26.8 29.9 23.8 26.7 Feb 27.0 30.2 23.7 26.8 Mar 27.8 31.2 24.4 27.7 Apr 28.8 32.3 25.4 28.9 May 29.4 33.0 25.9 29.4 Jun 28.7 32.1 25.3 28.5 Jul 28.3 31.7 24.9 28.0 Aug 28.4 31.9 25.0 28.2 Sep 28.3 31.7 24.8 28.0 Oct 28.1 31.6 24.7 27.9 Nov 27.9 31.2 24.7 27.8 Dec 27.3 30.3 24.2 27.0 Annual 28.1 31.4 24.7 27.9 Ann-NCDC 28.1 31.4 24.7 27.9 ------------------------------------------ Element 04: Wet Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 24.1 Feb 24.0 Mar 24.5 Apr 25.3 May 25.8 Jun 25.5 Jul 25.2 Aug 25.2 Sep 25.3 Oct 25.3 Nov 25.1 Dec 24.6 Annual 25.0 Ann-NCDC 25.0 ------------------ Element 05: Dew Point Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 23.1 Feb 23.0 Mar 23.3 Apr 24.0 May 24.6 Jun 24.5 Jul 24.3 Aug 24.2 Sep 24.3 Oct 24.4 Nov 24.2 Dec 23.7 Annual 24.0 Ann-NCDC 24.0 ------------------ Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 78.1 Feb 62.3 Mar 41.5 Apr 29.1 May 54.8 Jun 149.9 Jul 157.0 Aug 136.5 Sep 167.3 Oct 148.3 Nov 131.4 Dec 103.8 Annual 1260.1 Ann-NCDC 1260.0 ------------------ Element 11: Relative Humidity (%) MEAN (Statistic 01): Mean Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 80.0 Feb 79.0 Mar 77.0 Apr 74.0 May 75.0 Jun 79.0 Jul 80.0 Aug 79.0 Sep 80.0 Oct 81.0 Nov 81.0 Dec 82.0 Annual 78.0 Ann-NCDC 78.9 ------------------ Element 12: Sea Level Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 1011.2 Feb 1011.6 Mar 1009.6 Apr 1010.3 May 1009.4 Jun 1009.0 Jul 1008.9 Aug 1008.6 Sep 1009.2 Oct 1009.3 Nov 1009.5 Dec 1010.4 Annual 1009.7 Ann-NCDC 1009.8 ------------------ Element 14: Vapor Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 28.3 Feb 28.2 Mar 28.7 Apr 29.8 May 30.8 Jun 30.8 Jul 30.4 Aug 30.2 Sep 30.5 Oct 30.5 Nov 30.3 Dec 29.3 Annual 29.8 Ann-NCDC 29.8 ------------------ Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 2.0 Feb 2.0 Mar 2.0 Apr 2.0 May 2.0 Jun 2.0 Jul 2.0 Aug 2.0 Sep 2.0 Oct 2.0 Nov 2.0 Dec 2.0 Annual 2.0 Ann-NCDC 2.0 ------------------ Element 17: Wind Direction (degrees) PREVAIL (Statistic 41): Prevailing ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 45.0 Feb 45.0 Mar 45.0 Apr 45.0 May 45.0 Jun 225.0 Jul 225.0 Aug 225.0 Sep 225.0 Oct 45.0 Nov 45.0 Dec 45.0 Annual 45.0 Ann-NCDC NA ------------------ Element 20: Sky Cover (Cloud Cover) (okta) MEAN (Statistic 01): Mean Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 5.0 Feb 5.0 Mar 4.0 Apr 4.0 May 4.0 Jun 5.0 Jul 5.0 Aug 5.0 Sep 5.0 Oct 5.0 Nov 5.0 Dec 5.0 Annual 4.0 Ann-NCDC 4.8 ------------------ Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 0.0 Feb 0.0 Mar 0.0 Apr 0.0 May 0.0 Jun 0.0 Jul 0.0 Aug 1.0 Sep 6.0 Oct 2.0 Nov 0.0 Dec 0.0 Annual 9.0 Ann-NCDC 9.0 ------------------ Element 52: Number Days with Lightning (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 0.0 Feb 0.0 Mar 0.0 Apr 0.0 May 0.0 Jun 0.0 Jul 0.0 Aug 0.0 Sep 1.0 Oct 2.0 Nov 0.0 Dec 0.0 Annual 3.0 Ann-NCDC 3.0 ------------------ Element BT: Number Days with Occurrence of Rain (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 8.0 Feb 7.0 Mar 5.0 Apr 4.0 May 5.0 Jun 11.0 Jul 12.0 Aug 10.0 Sep 13.0 Oct 12.0 Nov 11.0 Dec 10.0 Annual 108.0 Ann-NCDC 108.0 ------------------