Station Name: Hel WMO Station Number: 12135 National I.D. Number: Country: POLAND WMO Region: REGION VI - EUROPE Latitude: 54d 36m N Longitude: 018d 49m E Elevation: 1 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 -.7 Feb -.6 Mar 1.7 Apr 5.2 May 10.3 Jun 14.7 Jul 16.9 Aug 16.9 Sep 13.7 Oct 9.6 Nov 4.9 Dec 1.4 Annual 7.8 Ann-NCDC 7.8 ------------------ Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MAX_VAL (Statistic 04): Maximum Value YR_MAX (Statistic 55): Year of Occurrence of Maximum Value ---------------------------------- byr: 1961 1961 1961 eyr: 1990 1990 1990 Statistic: MEAN MAX_VAL YR_MAX Month ---------------------------------- Jan .9 10.0 1983 Feb 1.3 12.9 1990 Mar 4.6 20.5 1968 Apr 9.4 21.8 1968 May 15.0 28.0 1971 Jun 19.1 31.2 1968 Jul 21.1 33.2 1963 Aug 21.0 31.8 1963 Sep 17.3 27.3 1983 Oct 12.2 23.2 1966 Nov 6.6 15.9 1968 Dec 3.0 11.1 1961 Annual 11.0 33.2 1963 Ann-NCDC 11.0 NA NA ---------------------------------- Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MIN_VAL (Statistic 05): Minimum Value YR_MIN (Statistic 56): Year of Occurrence of Minimum Value ---------------------------------- byr: 1961 1961 1961 eyr: 1990 1990 1990 Statistic: MEAN MIN_VAL YR_MIN Month ---------------------------------- Jan -2.6 -19.1 1963 Feb -2.7 -16.9 1966 Mar -.8 -17.0 1987 Apr 1.9 -7.0 1974 May 6.2 -3.3 1980 Jun 10.7 .2 1962 Jul 13.3 5.4 1976 Aug 13.4 5.3 1982 Sep 10.8 -2.3 1966 Oct 7.2 -2.2 1979 Nov 3.1 -8.4 1965 Dec -.4 -15.2 1978 Annual 5.0 -19.1 1963 Ann-NCDC 5.0 NA NA ---------------------------------- Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 37 Feb 28 Mar 27 Apr 30 May 43 Jun 56 Jul 70 Aug 72 Sep 61 Oct 48 Nov 56 Dec 46 Annual 574 Ann-NCDC 574.0 ------------------ Element 12: Sea Level Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1015.1 Feb 1015.9 Mar 1014.8 Apr 1013.9 May 1015.8 Jun 1014.5 Jul 1014.0 Aug 1014.6 Sep 1015.2 Oct 1016.5 Nov 1013.2 Dec 1013.2 Annual 1014.7 Ann-NCDC 1014.7 ------------------ Element 14: Vapor Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.3 Feb 5.2 Mar 5.9 Apr 7.4 May 10.3 Jun 13.5 Jul 15.7 Aug 15.9 Sep 13.2 Oct 10.4 Nov 7.7 Dec 6.1 Annual 9.7 Ann-NCDC 9.7 ------------------ Element 15: Sunshine MN_#HRS (Statistic 44): Mean Number of Hours ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 32.0 Feb 52.0 Mar 107.0 Apr 165.0 May 236.0 Jun 249.0 Jul 234.0 Aug 220.0 Sep 143.0 Oct 93.0 Nov 40.0 Dec 26.0 Annual 1600.0 Ann-NCDC 1597.0 ------------------ Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.5 Feb 5.0 Mar 4.8 Apr 4.0 May 3.7 Jun 3.7 Jul 3.9 Aug 3.9 Sep 4.6 Oct 5.1 Nov 5.9 Dec 5.7 Annual 4.7 Ann-NCDC 4.7 ------------------ Element 20: Sky Cover (Cloud Cover) (okta) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.2 Feb 6.0 Mar 5.2 Apr 4.7 May 4.2 Jun 4.2 Jul 4.3 Aug 4.2 Sep 4.6 Oct 5.1 Nov 6.1 Dec 6.3 Annual 5.1 Ann-NCDC 5.1 ------------------ 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 9.3 Feb 7.9 Mar 7.7 Apr 6.8 May 7.7 Jun 7.7 Jul 10.0 Aug 9.0 Sep 9.8 Oct 9.3 Nov 11.4 Dec 11.0 Annual 107.6 Ann-NCDC 107.6 ------------------