Station Name: LUSAKA INTERNATIONAL AIRPORT WMO Station Number: 67665 National I.D. Number: LUSA0002 Country: ZAMBIA WMO Region: REGION I - AFRICA Latitude: 15d 19m S Longitude: 028d 27m E Elevation: 1154 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: 1967 1967 1967 1967 1967 1967 1967 1967 1967 1967 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 21.5 .6 24.9 198818 17.2 197905 20.4 1974 22.5 1988 Feb 21.5 .6 25.2 198205 18.7 197406 20.5 1974 22.8 1987 Mar 21.1 .8 25.6 198719 17.4 198530 20.1 1974 23.2 1987 Apr 19.9 .9 24.7 198716 14.1 197829 18.2 1974 21.6 1987 May 17.4 1.1 23.4 196813 13.0 197519 15.8 1981 19.7 1983 Jun 15.2 1.0 20.6 198215 9.4 198118 13.8 1978 16.9 1983 Jul 14.9 .9 19.5 197922 10.4 198514 13.2 1978 16.1 1983 Aug 17.3 .7 23.6 198831 12.5 197615 15.7 1976 18.5 1987 Sep 21.3 .8 26.9 197830 13.1 198103 19.9 1982 22.6 1987 Oct 23.5 .8 28.4 198023 14.9 198223 22.0 1982 25.0 1977 Nov 23.4 1.0 29.1 198720 15.8 197313 21.5 1973 25.5 1987 Dec 21.7 .6 26.3 198830 18.0 198611 20.7 1974 23.0 1981 Annual 19.9 NA NA NA NA NA NA NA NA Annual NA Ann-NCDC 19.9 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: 1967 1967 1967 1967 1967 1967 1967 1967 eyr: 1991 1991 1991 1991 1991 1991 1991 1991 Statistic: MEAN STD_DEV MAX_DLY DATEMAX MIN_MLY YRMIMLY MAX_MLY YRMXMLY Month -------------------------------------------------------------------------- Jan 27.4 .9 39.6 198431 25.5 1974 29.4 1984 Feb 27.4 .8 36.4 198826 26.2 1974 29.3 1987 Mar 27.5 1.0 33.6 198224 26.1 1975 30.2 1987 Apr 27.1 1.2 33.0 198716 24.9 1976 29.7 1987 May 25.8 1.2 32.0 198714 23.5 1976 28.4 1983 Jun 23.8 .9 29.9 196712 22.1 1978 25.8 1983 Jul 24.0 .8 29.7 198720 22.2 1978 25.4 1990 Aug 26.5 .9 33.5 198128 24.6 1975 28.1 1978 Sep 30.3 .9 38.5 198928 28.5 1967 31.9 1984 Oct 31.7 1.0 37.2 196712 29.8 1982 33.6 1968 Nov 30.4 1.4 38.6 198720 27.8 1973 33.4 1987 Dec 27.7 1.1 33.9 197203 26.1 1974 29.9 1981 Annual 27.5 NA NA NA NA NA NA NA Ann-NCDC 27.5 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: 1967 1967 1967 1967 1967 1967 1967 1967 eyr: 1991 1991 1991 1991 1991 1991 1991 1991 Statistic: MEAN STD_DEV MIN_DLY DATEMIN MIN_MLY YRMIMLY MAX_MLY YRMXMLY Month -------------------------------------------------------------------------- Jan 17.6 .5 13.0 197909 16.4 1979 18.2 1991 Feb 17.4 .4 12.9 198413 16.2 1972 18.1 1978 Mar 16.4 .7 10.0 197107 14.6 1970 17.9 1969 Apr 14.0 .8 8.0 197829 12.6 1985 15.2 1988 May 10.7 1.0 5.4 197420 9.3 1981 12.6 1983 Jun 7.8 1.1 .2 196815 5.9 1981 10.1 1967 Jul 7.2 .8 .7 198514 5.7 1980 8.6 1988 Aug 9.2 .9 2.8 197615 6.3 1976 11.2 1987 Sep 12.9 .7 5.8 197610 11.6 1974 14.5 1987 Oct 16.2 .7 9.0 197507 14.9 1975 17.6 1967 Nov 17.4 .6 10.8 197215 16.3 1988 18.5 1983 Dec 17.8 .5 10.4 198801 16.9 1986 19.1 1987 Annual 13.7 NA NA NA NA NA NA NA Ann-NCDC 13.7 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: 1973 1973 eyr: 1991 1991 Statistic: MEAN STD_DEV Month -------------------------- Jan 17.9 .8 Feb 18.0 .6 Mar 17.3 .6 Apr 14.6 1.0 May 10.7 .9 Jun 7.4 1.1 Jul 6.3 .8 Aug 6.4 1.1 Sep 7.7 1.2 Oct 10.4 1.6 Nov 14.0 1.3 Dec 17.3 .7 Annual 12.3 NA Ann-NCDC 12.3 12.3 -------------------------- 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: 1967 1967 1967 1967 1967 1967 eyr: 1991 1991 1991 1991 1991 1991 Statistic: STD_DEV MEANMLY MIN_MLY YRMIMLY MAX_MLY YRMXMLY Month ---------------------------------------------------------- Jan 90.1 245.4 61.1 1977 433.7 1982 Feb 94.8 185.9 51.3 1987 527.6 1989 Mar 74.6 95.0 8.9 1970 326.2 1976 Apr 43.0 34.7 .0 1977 187.6 1986 May 5.9 3.1 .0 1969 22.4 1974 Jun .1 .0 .0 1967 .4 1988 Jul .4 .1 .0 1967 2.0 1985 Aug 1.4 .4 .0 1968 6.1 1967 Sep 3.5 1.7 .0 1967 12.7 1972 Oct 19.7 18.4 .0 1968 74.1 1982 Nov 63.6 89.3 17.7 1990 263.4 1974 Dec 85.3 208.1 78.4 1981 422.4 1969 Annual NA 882.1 NA NA NA NA Ann-NCDC NA 882.1 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: 1967 1967 1967 1967 eyr: 1991 1991 1991 1991 Statistic: MAX_DLY DATEMAX MIN_DLY DATEMIN Month ------------------------------------------ Jan 98.0 198714 .0 196701 Feb 105.1 198904 .0 196701 Mar 70.5 197625 .0 196702 Apr 54.7 198618 .0 196702 May 11.9 196825 .0 196702 Jun .4 198829 .0 196701 Jul 2.0 198506 .0 196701 Aug 5.3 196730 .0 196701 Sep 7.2 197328 .0 196701 Oct 51.3 198221 .0 196701 Nov 75.0 197913 .0 196702 Dec 83.5 199026 .0 196701 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: 1967 1967 1967 1967 1967 1967 1967 1967 1967 1967 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 82.3 5.0 99.0 199001 49.0 198201 72.5 1984 92.0 1991 Feb 82.5 3.7 99.0 199107 1.0 199007 75.7 1983 88.0 1991 Mar 80.7 4.4 98.0 199029 59.0 198719 71.0 1987 87.0 1978 Apr 75.8 5.7 96.0 197812 53.0 198105 62.3 1987 84.6 1978 May 69.3 5.1 98.0 197411 42.0 198716 61.5 1987 78.3 1978 Jun 65.2 4.0 86.0 198019 40.0 198013 58.2 1987 74.4 1978 Jul 61.1 4.1 89.0 198801 27.0 199016 53.0 1987 67.4 1980 Aug 53.6 2.5 81.0 198909 34.0 197812 48.3 1973 58.4 1980 Sep 46.3 3.4 77.0 197406 20.0 197323 38.5 1973 51.9 1982 Oct 48.6 5.5 93.0 198222 24.0 197729 42.3 1984 62.0 1986 Nov 60.2 6.5 96.0 199021 22.0 198904 50.3 1975 73.2 1979 Dec 78.6 4.4 97.0 199030 49.0 199001 68.6 1981 85.1 1977 Annual 67.0 NA NA NA NA NA NA NA NA Annual NA Ann-NCDC 67.0 NA NA NA NA NA NA NA NA Ann-NCDC 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: 1967 eyr: 1990 Month ------------------ Jan 176.7 Feb 168.0 Mar 220.1 Apr 246.0 May 275.9 Jun 270.0 Jul 294.5 Aug 303.8 Sep 291.0 Oct 272.8 Nov 234.0 Dec 182.9 Annual 2935.7 Ann-NCDC 2935.7 ------------------ Element 16: Wind Speed (m/sec) Statistic 01: Mean Value Qualifier: Qualifier: 30: Maximum Gust -------------------------- byr: 1967 1967 eyr: 1988 1988 Qualifier: 30 Month -------------------------- Jan 4.4 21.1 Feb 3.9 19.8 Mar 4.4 19.8 Apr 4.9 20.2 May 5.0 18.9 Jun 5.6 20.2 Jul NA 21.5 Aug NA 23.3 Sep 5.6 23.7 Oct NA 23.2 Nov NA 22.8 Dec NA 21.5 Annual 4.8 21.3 Ann-NCDC NA 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: 1967 1967 1967 1967 1967 1967 eyr: 1991 1991 1991 1991 1991 1991 Qualifier: 0.0 5.0 10.0 20.0 30.0 120.0 Month ---------------------------------------------------------- Jan 16.8 21.9 22.0 23.1 24.1 24.5 Feb 16.7 21.4 21.7 23.1 23.8 24.4 Mar 15.4 20.7 21.2 22.6 23.7 24.4 Apr 12.2 18.9 19.7 21.4 22.5 23.7 May 8.3 15.9 17.1 19.1 20.5 22.5 Jun 4.9 13.0 14.4 16.6 18.0 20.9 Jul 4.4 12.4 13.8 16.1 17.4 19.7 Aug 6.2 14.9 15.9 17.9 19.1 20.3 Sep 10.1 19.0 19.6 21.6 22.7 22.6 Oct 13.5 22.8 22.8 24.5 25.5 24.6 Nov 15.8 23.5 23.3 24.7 25.8 25.7 Dec 16.6 22.2 22.1 23.2 24.3 24.9 Annual 11.8 18.9 19.5 21.2 22.3 23.2 Ann-NCDC NA NA NA NA NA NA ---------------------------------------------------------- Element 20: Sky Cover (Cloud Cover) (okta) Statistic 01: Mean Value Qualifier: Qualifier: 45: Mean - Sunrise to Sunset -------------------------- byr: 1967 1967 eyr: 1988 1991 Qualifier: 45 Month -------------------------- Jan 3.9 6.4 Feb 3.7 6.3 Mar 3.6 5.7 Apr 2.5 4.3 May 1.6 3.0 Jun 1.0 2.4 Jul .9 2.0 Aug .7 1.4 Sep .8 1.4 Oct 1.8 3.4 Nov 2.5 4.9 Dec 3.7 6.3 Annual 2.2 4.0 Ann-NCDC 2.2 4.0 -------------------------- Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1967 eyr: 1988 Month ------------------ Jan .7 Feb .6 Mar .3 Apr .1 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .1 Nov .5 Dec .8 Annual NA Ann-NCDC 3.1 ------------------ Element 52: Number Days with Lightning (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1967 eyr: 1988 Month ------------------ Jan .9 Feb .8 Mar .6 Apr .2 May .0 Jun .0 Jul .0 Aug .0 Sep .0 Oct .2 Nov .6 Dec 1.0 Annual NA Ann-NCDC 4.3 ------------------ Element 53: Number Days with Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1967 eyr: 1988 Month ------------------ Jan .0 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 0.0 ------------------ Element 58: Number Days with Fog/Ice Fog (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1967 eyr: 1988 Month ------------------ Jan .5 Feb .5 Mar .5 Apr .2 May .1 Jun .1 Jul .1 Aug .0 Sep .0 Oct .0 Nov .0 Dec .2 Annual NA Ann-NCDC 2.2 ------------------ 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: 1967 1967 1967 eyr: 1991 1991 1991 Qualifier: 1.0 5.0 10.0 Month ---------------------------------- Jan 18 17 16 Feb 15 14 13 Mar 10 9 9 Apr 3 3 2 May 0 0 0 Jun 0 0 0 Jul 0 0 0 Aug 0 0 0 Sep 0 0 0 Oct 2 2 1 Nov 8 7 7 Dec 16 15 14 Annual 72 67 62 Ann-NCDC 72.0 67.0 62.0 ---------------------------------- 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 .7 3.0 Feb .8 3.3 Mar .4 2.5 Apr .0 1.1 May .0 .6 Jun .0 .3 Jul .0 .3 Aug .0 .3 Sep .0 .2 Oct .0 .8 Nov .2 3.0 Dec .9 2.8 Annual NA NA Ann-NCDC 3.0 18.2 --------------------------