Station Name: Porto WMO Station Number: 08546 National I.D. Number: Country: PORTUGAL WMO Region: REGION VI - EUROPE Latitude: 41d 08m N Longitude: 008d 36m W Elevation: 100 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 9.3 Feb 10.1 Mar 11.5 Apr 12.9 May 15.1 Jun 18.1 Jul 19.9 Aug 19.8 Sep 19.0 Oct 16.2 Nov 12.3 Dec 9.9 Annual 14.5 Ann-NCDC 14.5 ------------------ 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 13.5 22.3 Feb 14.3 22.7 Mar 16.2 26.5 Apr 17.5 27.5 May 19.6 34.7 Jun 22.7 38.7 Jul 24.7 38.3 Aug 25.0 38.2 Sep 24.0 36.9 Oct 20.9 32.2 Nov 16.7 27.7 Dec 13.9 24.8 Annual 19.1 38.7 Ann-NCDC 19.1 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 5.1 -3.3 Feb 5.9 -3.0 Mar 6.8 -1.8 Apr 8.3 0.1 May 10.6 2.6 Jun 13.5 5.6 Jul 15.0 9.0 Aug 14.6 8.0 Sep 13.9 5.5 Oct 11.4 1.4 Nov 7.9 -0.6 Dec 5.9 -2.1 Annual 9.9 -3.3 Ann-NCDC 9.9 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 171.0 3.6 97.8 142.1 178.5 266.5 374.9 Feb 169.0 44.6 72.0 104.0 160.7 261.4 475.2 Mar 112.0 2.2 24.9 87.8 137.8 166.5 246.7 Apr 112.0 19.3 52.6 91.9 109.2 164.0 293.4 May 89.0 2.6 34.5 51.7 101.5 129.4 244.7 Jun 53.0 1.8 71.3 39.1 45.9 92.4 253.2 Jul 16.0 0.0 1.2 5.9 15.4 23.3 72.5 Aug 22.0 0.1 3.5 9.9 25.4 40.9 69.9 Sep 64.0 0.8 17.9 51.7 76.9 92.2 180.8 Oct 131.0 15.2 52.5 99.3 122.7 195.8 348.8 Nov 152.0 0.3 62.3 124.2 154.3 223.3 376.7 Dec 176.0 27.3 71.2 116.9 182.4 269.3 620.0 Annual 1267.0 875.1 1030.5 1158.3 1341.2 1497.6 1791.6 Ann-NCDC 1267.0 NA NA NA NA NA NA ------------------------------------------------------------------ Element 11: Relative Humidity (%) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 81.0 Feb 80.0 Mar 75.0 Apr 74.0 May 74.0 Jun 74.0 Jul 73.0 Aug 73.0 Sep 76.0 Oct 80.0 Nov 81.0 Dec 81.0 Annual 77.0 Ann-NCDC 76.8 ------------------ Element 12: Sea Level Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1019.9 Feb 1017.6 Mar 1017.5 Apr 1015.5 May 1016.3 Jun 1017.1 Jul 1017.8 Aug 1017.4 Sep 1017.8 Oct 1017.8 Nov 1018.4 Dec 1019.5 Annual 1017.7 Ann-NCDC 1017.7 ------------------ Element 14: Vapor Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 9.7 Feb 10.1 Mar 10.5 Apr 11.5 May 13.4 Jun 16.0 Jul 17.4 Aug 17.2 Sep 16.7 Oct 14.7 Nov 11.7 Dec 10.1 Annual 13.2 Ann-NCDC 13.2 ------------------ Element 15: Sunshine MN_#HRS (Statistic 44): Mean Number of Hours ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 124.0 Feb 129.0 Mar 192.0 Apr 217.0 May 258.0 Jun 274.0 Jul 308.0 Aug 295.0 Sep 224.0 Oct 184.0 Nov 139.0 Dec 124.0 Annual 2468.0 Ann-NCDC 2468.0 ------------------ Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.7 Feb 5.7 Mar 5.6 Apr 5.3 May 5.0 Jun 4.4 Jul 4.3 Aug 4.3 Sep 4.2 Oct 4.5 Nov 5.0 Dec 5.7 Annual 5.4 Ann-NCDC 5.0 ------------------ 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 14.0 Feb 13.0 Mar 11.0 Apr 10.0 May 9.0 Jun 6.0 Jul 2.0 Aug 3.0 Sep 6.0 Oct 10.0 Nov 12.0 Dec 12.0 Annual 108.0 Ann-NCDC 108.0 ------------------