Station Name: NDOLA MET WMO Station Number: 67561 National I.D. Number: NDOL0002 Country: ZAMBIA WMO Region: REGION I - AFRICA Latitude: 13d 00m S Longitude: 028d 39m E Elevation: 1270 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 STD_DEV (Statistic 03): Standard Deviation of Mean Value MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value MIN_DLY (Statistic 13): Minimum Daily Value DATEMIN (Statistic 14): Date (Year/Day) of Occurrence of Minimum Daily Value MIN_MLY (Statistic 20): Minimum Monthly Value YRMIMLY (Statistic 21): Year of Occurrence of Minimum Monthly Value MAX_MLY (Statistic 26): Maximum Monthly Value YRMXMLY (Statistic 27): Year of Occurrence of Maximum Monthly Value ------------------------------------------------------------------------------------------ byr: 1961 1961 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1988 1988 1988 1988 1988 1988 1988 1988 1988 1988 Statistic: MEAN STD_DEV MAX_DLY DATEMAX MIN_DLY DATEMIN MIN_MLY YRMIMLY MAX_MLY YRMXMLY Month ------------------------------------------------------------------------------------------ Jan 20.8 .5 24.1 196812 17.6 197121 19.9 1974 21.8 1968 Feb 20.8 .5 26.2 196711 15.4 197825 20.0 1974 21.8 1983 Mar 21.0 .5 26.6 198101 17.6 196629 20.2 1962 22.2 1983 Apr 20.5 .5 23.2 198210 15.3 198130 19.4 1985 21.8 1988 May 18.6 .8 24.1 197906 13.7 198431 16.3 1962 20.0 1983 Jun 16.5 .8 20.5 198805 12.3 197915 15.5 1980 18.3 1988 Jul 16.7 .7 21.5 198730 11.1 197921 15.6 1974 18.0 1983 Aug 19.2 .8 25.4 197730 12.8 196112 17.3 1961 20.8 1987 Sep 22.5 .6 26.8 197316 14.6 198103 21.1 1965 23.4 1987 Oct 23.7 .5 27.4 197906 17.0 198223 22.6 1965 24.6 1973 Nov 22.5 .9 29.0 197401 17.7 197314 21.0 1961 24.7 1987 Dec 21.0 .6 25.1 197523 15.7 197411 20.0 1961 22.3 1987 Annual 20.3 NA NA NA NA NA NA NA NA Annual NA Ann-NCDC 20.3 NA NA NA NA NA NA NA NA Ann-NCDC NA ------------------------------------------------------------------------------------------ Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value MIN_MLY (Statistic 20): Minimum Monthly Value YRMIMLY (Statistic 21): Year of Occurrence of Minimum Monthly Value MAX_MLY (Statistic 26): Maximum Monthly Value YRMXMLY (Statistic 27): Year of Occurrence of Maximum Monthly Value -------------------------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1991 1991 1991 1991 1991 1991 1991 1991 Statistic: MEAN STD_DEV MAX_DLY DATEMAX MIN_MLY YRMIMLY MAX_MLY YRMXMLY Month -------------------------------------------------------------------------- Jan 26.6 .8 31.7 198806 25.1 1974 28.4 1983 Feb 26.9 .8 33.1 198205 25.8 1962 28.5 1980 Mar 27.4 .9 32.0 198225 26.0 1963 29.3 1990 Apr 27.5 .8 32.4 198007 26.2 1976 29.5 1988 May 26.6 1.0 32.0 197809 23.9 1962 28.5 1987 Jun 25.1 .9 30.2 198805 23.8 1976 27.1 1983 Jul 25.2 .9 30.5 198728 22.9 1964 27.3 1987 Aug 27.5 .9 33.5 198931 25.3 1961 29.0 1978 Sep 30.5 .9 35.5 198925 28.7 1964 32.2 1984 Oct 31.5 .7 36.1 196107 30.0 1986 32.6 1968 Nov 29.4 1.5 38.5 198608 27.0 1961 32.8 1987 Dec 27.0 1.1 32.6 196605 25.2 1961 29.2 1981 Annual 27.6 NA NA NA NA NA NA NA Ann-NCDC 27.6 NA NA NA NA NA NA NA -------------------------------------------------------------------------- Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value MIN_DLY (Statistic 13): Minimum Daily Value DATEMIN (Statistic 14): Date (Year/Day) of Occurrence of Minimum Daily Value MIN_MLY (Statistic 20): Minimum Monthly Value YRMIMLY (Statistic 21): Year of Occurrence of Minimum Monthly Value MAX_MLY (Statistic 26): Maximum Monthly Value YRMXMLY (Statistic 27): Year of Occurrence of Maximum Monthly Value -------------------------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1991 1991 1991 1991 1991 1991 1991 1991 Statistic: MEAN STD_DEV MIN_DLY DATEMIN MIN_MLY YRMIMLY MAX_MLY YRMXMLY Month -------------------------------------------------------------------------- Jan 17.1 .3 12.4 197909 16.3 1965 18.0 1988 Feb 17.1 .4 12.4 196424 16.2 1965 17.8 1973 Mar 16.5 .7 7.5 198201 15.0 1970 17.6 1969 Apr 14.4 1.0 7.2 196329 11.5 1964 15.6 1969 May 10.8 1.2 3.8 196324 8.5 1962 13.3 1972 Jun 7.9 1.2 1.7 196815 6.2 1980 10.3 1988 Jul 7.8 .9 .7 197524 6.1 1964 9.6 1983 Aug 10.2 .9 1.6 198828 8.5 1976 12.7 1987 Sep 13.6 .7 6.7 198107 12.1 1964 15.3 1987 Oct 16.2 .7 9.8 197509 14.7 1975 17.5 1972 Nov 17.1 .4 11.7 197319 16.4 1985 17.9 1987 Dec 17.2 .3 11.2 198712 16.6 1964 17.9 1972 Annual 13.8 NA NA NA NA NA NA NA Ann-NCDC 13.8 NA NA NA NA NA NA NA -------------------------------------------------------------------------- Element 05: Dew Point Temperature (deg C) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value -------------------------- byr: 1962 1962 eyr: 1991 1991 Statistic: MEAN STD_DEV Month -------------------------- Jan 19.5 9.7 Feb 17.4 .4 Mar 16.9 .5 Apr 14.8 .9 May 11.1 .8 Jun 7.5 1.1 Jul 5.9 .9 Aug 7.8 8.9 Sep 6.5 1.1 Oct 10.3 1.4 Nov 16.8 10.1 Dec 17.0 .4 Annual 12.6 NA Ann-NCDC 12.6 12.6 -------------------------- Element 06: Precipitation (mm) STD_DEV (Statistic 03): Standard Deviation of Mean Value MEANMLY (Statistic 15): Mean Monthly Value MIN_MLY (Statistic 20): Minimum Monthly Value YRMIMLY (Statistic 21): Year of Occurrence of Minimum Monthly Value MAX_MLY (Statistic 26): Maximum Monthly Value YRMXMLY (Statistic 27): Year of Occurrence of Maximum Monthly Value ---------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 eyr: 1991 1991 1991 1991 1991 1991 Statistic: STD_DEV MEANMLY MIN_MLY YRMIMLY MAX_MLY YRMXMLY Month ---------------------------------------------------------- Jan 97.1 292.9 78.2 1973 560.2 1991 Feb 88.0 249.0 98.9 1991 483.2 1974 Mar 78.4 170.1 15.1 1973 351.6 1979 Apr 33.6 45.5 .0 1964 127.7 1976 May 11.6 3.5 .0 1962 64.9 1974 Jun 2.6 .7 .0 1962 13.5 1967 Jul .3 .1 .0 1961 1.5 1985 Aug 1.2 .4 .0 1961 5.1 1967 Sep 4.8 2.9 .0 1961 19.0 1976 Oct 31.4 31.5 .0 1974 104.1 1963 Nov 63.5 130.3 33.5 1972 295.4 1970 Dec 112.7 305.9 71.3 1981 560.7 1977 Annual NA 1232.7 NA NA NA NA Ann-NCDC NA 1232.8 NA NA NA NA ---------------------------------------------------------- Element 08: Maximum 24-Hour Precipitation (mm) MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value MIN_DLY (Statistic 13): Minimum Daily Value DATEMIN (Statistic 14): Date (Year/Day) of Occurrence of Minimum Daily Value ------------------------------------------ byr: 1961 1961 1961 1961 eyr: 1991 1991 1991 1991 Statistic: MAX_DLY DATEMAX MIN_DLY DATEMIN Month ------------------------------------------ Jan 110.5 196924 .0 196201 Feb 105.4 197226 .0 196209 Mar 84.4 197928 .0 196201 Apr 49.9 197703 .0 196202 May 27.0 197414 .0 196201 Jun 11.2 196712 .0 196201 Jul 1.5 198506 .0 196101 Aug 5.1 196731 .0 196101 Sep 15.2 196802 .0 196101 Oct 56.0 198321 .0 196101 Nov 67.5 198014 .0 196101 Dec 96.0 196115 .0 196103 Annual NA NA NA NA Ann-NCDC NA NA NA NA ------------------------------------------ Element 11: Relative Humidity (%) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value MAX_DLY (Statistic 11): Maximum Daily Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value MIN_DLY (Statistic 13): Minimum Daily Value DATEMIN (Statistic 14): Date (Year/Day) of Occurrence of Minimum Daily Value MIN_MLY (Statistic 20): Minimum Monthly Value YRMIMLY (Statistic 21): Year of Occurrence of Minimum Monthly Value MAX_MLY (Statistic 26): Maximum Monthly Value YRMXMLY (Statistic 27): Year of Occurrence of Maximum Monthly Value ------------------------------------------------------------------------------------------ byr: 1964 1964 1964 1964 1964 1964 1964 1964 1964 1964 eyr: 1991 1991 1991 1991 1991 1991 1991 1991 1991 1991 Statistic: MEAN STD_DEV MAX_DLY DATEMAX MIN_DLY DATEMIN MIN_MLY YRMIMLY MAX_MLY YRMXMLY Month ------------------------------------------------------------------------------------------ Jan 82.5 2.6 97.0 196412 52.0 196719 76.6 1980 86.7 1965 Feb 83.0 2.4 99.0 197318 58.0 198325 77.5 1983 87.8 1966 Mar 79.7 3.1 96.0 196716 49.0 199023 71.6 1990 84.6 1978 Apr 73.4 3.2 94.0 198013 51.0 198418 66.3 1987 79.2 1967 May 65.9 3.0 98.0 197411 48.0 196626 60.6 1973 74.1 1974 Jun 61.1 2.3 99.0 198123 34.0 198930 54.4 1987 65.8 1966 Jul 54.6 2.4 72.0 198801 31.0 197528 48.0 1987 57.8 1976 Aug 46.6 2.3 81.0 197712 29.0 197705 39.3 1971 49.5 1964 Sep 40.9 3.1 76.0 196506 19.0 198529 35.2 1984 47.7 1965 Oct 47.3 5.3 88.0 198222 25.0 197403 40.1 1974 61.2 1986 Nov 64.9 6.9 97.0 196424 12.0 198620 50.6 1987 74.5 1965 Dec 80.4 3.2 95.0 196506 49.0 197601 71.9 1981 87.6 1978 Annual 65.0 NA NA NA NA NA NA NA NA Annual NA Ann-NCDC 65.0 NA NA NA NA NA NA NA NA Ann-NCDC NA ------------------------------------------------------------------------------------------ Element 13: Station Pressure (hPa) MEAN (Statistic 01): Mean Value STD_DEV (Statistic 03): Standard Deviation of Mean Value -------------------------- byr: 1961 1961 eyr: 1991 1991 Statistic: MEAN STD_DEV Month -------------------------- Jan 873.3 2.2 Feb 873.1 2.3 Mar 873.6 .4 Apr 875.1 2.2 May 876.8 2.3 Jun 877.8 .7 Jul 877.8 .6 Aug 876.5 .7 Sep 874.8 .6 Oct 873.5 .4 Nov 873.4 .7 Dec 873.1 .6 Annual 874.9 NA Ann-NCDC 874.9 NA -------------------------- Element 15: Sunshine Qualifier: NCDC: Mean Monthly Value Computed by NCDC from Mean Daily Values Provided by Member MN_#HRS (Statistic 44): Mean Number of Hours ------------------ byr: 1961 eyr: 1991 Month ------------------ Jan 151.9 Feb 142.8 Mar 192.2 Apr 243.0 May 279.0 Jun 276.0 Jul 297.6 Aug 297.6 Sep 279.0 Oct 269.7 Nov 207.0 Dec 158.1 Annual 2793.9 Ann-NCDC 2793.9 ------------------ Element 16: Wind Speed (m/sec) Statistic 01: Mean Value Qualifier: Qualifier: 30: Maximum Gust -------------------------- byr: 1962 1967 eyr: 1988 1988 Qualifier: 30 Month -------------------------- Jan 3.1 19.6 Feb 2.7 19.5 Mar 3.3 19.8 Apr 4.0 18.7 May 4.1 17.8 Jun 4.0 19.4 Jul 4.8 21.2 Aug 6.0 21.4 Sep 5.7 23.6 Oct 5.1 24.0 Nov 4.1 22.0 Dec 4.4 20.4 Annual 4.3 20.6 Ann-NCDC 4.3 NA -------------------------- Element 19: Soil Temperature (deg C) Statistic 01: Mean Value Qualifier: 0.0 cm depth Qualifier: 5.0 cm depth Qualifier: 10.0 cm depth Qualifier: 20.0 cm depth Qualifier: 30.0 cm depth Qualifier: 120.0 cm depth ---------------------------------------------------------- byr: 1961 1968 1968 1968 1968 1968 eyr: 1991 1991 1991 1991 1988 1988 Qualifier: 0.0 5.0 10.0 20.0 30.0 120.0 Month ---------------------------------------------------------- Jan 17.1 20.9 21.5 23.0 23.5 23.9 Feb 17.0 20.6 21.3 22.8 23.0 24.0 Mar 16.2 20.4 21.6 23.2 23.6 24.1 Apr 13.8 19.2 20.5 22.6 19.0 23.3 May 9.3 16.6 18.7 21.1 20.1 22.2 Jun 5.8 13.6 16.1 18.7 17.2 19.6 Jul 5.4 13.2 15.7 18.3 17.0 19.2 Aug 7.6 15.8 18.1 20.6 18.5 19.6 Sep 11.1 19.8 21.5 23.8 21.3 21.2 Oct 15.2 22.9 23.9 26.0 23.3 23.5 Nov 16.5 22.7 23.3 25.2 25.0 24.2 Dec 17.2 21.2 21.7 23.1 23.0 23.7 Annual 12.7 18.9 20.3 22.4 21.2 22.4 Ann-NCDC NA NA NA NA NA NA ---------------------------------------------------------- Element 20: Sky Cover (Cloud Cover) (okta) MEAN (Statistic 01): Mean Value ------------------ byr: 1967 eyr: 1988 Month ------------------ Jan 3.9 Feb 3.9 Mar 3.8 Apr 3.2 May 2.6 Jun 1.9 Jul 1.6 Aug 1.7 Sep 2.0 Oct 2.8 Nov 3.3 Dec 4.0 Annual 2.9 Ann-NCDC 2.9 ------------------ Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1967 eyr: 1988 Month ------------------ Jan 1.6 Feb 1.5 Mar 1.2 Apr .4 May .1 Jun .0 Jul .0 Aug .0 Sep .1 Oct .5 Nov 1.3 Dec 1.8 Annual NA Ann-NCDC 8.5 ------------------ Element 52: Number Days with Lightning (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1967 eyr: 1988 Month ------------------ Jan 1.4 Feb 1.3 Mar 1.2 Apr .5 May .1 Jun .0 Jul .0 Aug .0 Sep .0 Oct .4 Nov 1.1 Dec 1.5 Annual NA Ann-NCDC 7.5 ------------------ Element 53: Number Days with Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1967 eyr: 1988 Month ------------------ Jan .1 Feb .0 Mar .0 Apr .0 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .0 Nov .0 Dec .0 Annual NA Ann-NCDC 0.1 ------------------ Element 58: Number Days with Fog/Ice Fog (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1967 eyr: 1988 Month ------------------ Jan 1.0 Feb 1.3 Mar 1.1 Apr 1.0 May .9 Jun .6 Jul .1 Aug .0 Sep .0 Oct .0 Nov .1 Dec .6 Annual NA Ann-NCDC 6.7 ------------------ Element 95: Number Days with Precipitation GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 1.0 mm Qualifier: 5.0 mm Qualifier: 10.0 mm ---------------------------------- byr: 1961 1961 1961 eyr: 1991 1991 1991 Qualifier: 1.0 5.0 10.0 Month ---------------------------------- Jan 23 21 19 Feb 20 19 17 Mar 17 15 13 Apr 6 5 4 May 1 0 0 Jun 0 0 0 Jul 0 0 0 Aug 0 0 0 Sep 0 0 0 Oct 4 4 3 Nov 14 12 11 Dec 23 21 19 Annual 108 97 86 Ann-NCDC 108.0 97.0 86.0 ---------------------------------- Element BT: Number Days with Occurrence of Rain (count) MIN_MLY (Statistic 20): Minimum Monthly Value MAX_MLY (Statistic 26): Maximum Monthly Value -------------------------- byr: 1967 1967 eyr: 1988 1988 Statistic: MIN_MLY MAX_MLY Month -------------------------- Jan 1.5 3.4 Feb 1.0 3.6 Mar .5 3.0 Apr .1 1.9 May .0 1.1 Jun .0 .3 Jul .0 .2 Aug .0 .2 Sep .0 .8 Oct .0 1.5 Nov .8 2.8 Dec 1.9 3.6 Annual NA NA Ann-NCDC 5.8 22.4 --------------------------