Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0491357 Alsuma Site 0491357.RN Variable 10.00 Total Rainfall in Millimetres Figures are for period starting 800 hours. Mean Annual Missing Year Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Monthly Total Days 1949/50 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 0.0 0.0 0.0 0.5 [0.1] [0.5] 243 1950/51 0.0 12.7 12.4 10.2 43.4 4.1 33.7 5.1 0.0 0.0 0.0 0.0 10.1 121.6 0 1951/52 0.0 18.5 0.0 0.0 103.4 0.0 16.0 0.0 0.0 0.0 0.0 0.0 11.5 137.9 0 1952/53 0.0 16.8 7.1 4.0 52.6A 15.7 19.7 0.0 0.0 0.0 0.0 0.0 9.7A 115.9A 0 1953/54 5.7 3.0 39.0A 0.0 6.0 163.0 0.6 0.0 0.0 0.4 0.0 0.0 18.1A 217.7A 0 1954/55 0.0 9.5 0.0 48.0 0.0 44.0 0.0 0.0 13.6 0.0 0.0 0.0 9.6 115.1 0 1955/56 0.0 22.5 0.0 13.0 126.0 148.5 0.0 0.0 0.0 15.5 0.0 0.0 27.1 325.5 0 1956/57 0.0 2.6 18.0 64.0 26.5 62.6 0.0 0.0 0.0 0.0 0.0 0.0 14.5 173.7 0 1957/58 0.0 52.0A 4.0 17.0 26.0 17.3 5.0 0.0 0.0 0.0 0.0 0.0 10.1A 121.3A 0 1958/59 0.0 0.0 4.0 24.0 16.0 7.6 0.0 3.0 3.0 0.0 0.0 0.0 4.8 57.6 0 1959/60 0.0 0.0 0.0 0.0 20.0A 35.0A 37.0 2.5 4.0 0.0 0.0 0.0 8.2A 98.5A 0 1960/61 0.0 27.5 12.0 35.0 0.0 29.5 55.5 0.0 10.6 3.0 0.0 0.0 14.4 173.1 0 1961/62 0.0 4.0 23.5 0.0 137.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 13.8 165.1 0 1962/63 10.4 9.0 0.0 120.7 20.5 24.7 106.5 0.0 0.1 0.0 0.0 0.0 24.3 291.9 0 1963/64 5.0 40.0 0.0 0.0 23.5 16.0 0.0 0.0 0.0 0.0 0.0 0.0 7.0 84.5 0 1964/65 10.0 4.5 7.0 19.7 10.0 38.0 23.0 0.0 0.0 0.0 0.0 0.0 9.4 112.2 0 1965/66 0.0 7.0 [ ] 49.9 39.8 15.0 51.7 0.0 25.2 0.0 0.0 11.0 [18.1] [199.6] 31 1966/67 14.0 0.0 13.5 20.8 55.7 141.5 17.0 25.5 0.9 0.0 0.0 0.0 24.1 288.9 0 1967/68 0.0 13.0 3.0 12.0 9.3 53.7 0.0 55.1 0.0 0.0 0.0 0.0 12.2 146.1 0 1968/69 0.0 5.0 8.0 1.0 63.0 18.5 0.0 0.0 0.0 0.0 0.0 0.0 8.0 95.5 0 1969/70 0.0 2.5 3.0 24.0 22.4 2.5 16.5 0.0 0.0 0.0 0.0 0.0 5.9 70.9 0 1970/71 23.0 0.0 8.5 37.0 32.8 34.5 0.0 0.0 0.0 0.0 0.0 0.0 11.3 135.8 0 1971/72 2.5 2.7 10.0 110.0 0.7 103.0 18.5 0.0 0.0 0.0 0.0 0.0 20.6 247.4 0 1972/73 0.0 3.0 0.0 0.0 29.2 44.0 30.0 0.0 0.0 0.0 0.0 0.0 8.9 106.2 0 1973/74 77.0 4.0 28.1 143.7 374.8 34.0 54.0 0.0 0.0 0.0 0.0 0.0 59.6 715.6 0 1974/75 0.0 51.5 28.0 5.0 26.5 52.9 4.0 4.0 0.0 2.5 0.0 7.0 15.1 181.4 0 1975/76 0.0 1.5 30.5 121.3 189.5 179.5A 38.0 0.0 0.0 0.0 0.0 0.0 46.7A 560.3A 0 1976/77 21.0 0.0 0.0 53.0A 114.5 9.5 41.5A 0.0 0.0 0.0 0.0 0.0 20.0A 239.5A 0 1977/78 1.5 3.5 0.0 38.3 51.0 60.5 13.0 0.0 0.0 0.0 0.0 3.5 14.3 171.3 0 1978/79 0.0 10.0 15.5 49.7 25.8 0.0 8.1 3.7 25.7 0.2 0.6 18.1 13.1 157.4 0 1979/80 10.2 6.5 14.0 9.8 12.0 78.7 12.5 0.0 0.0 0.0 0.0 0.0 12.0 143.7 0 1980/81 3.1 9.5 7.5 0.0 19.2 10.5 0.0 0.0 0.0 0.0 0.0 0.0 4.1 49.8 0 1981/82 0.0 0.0 0.0 3.0 23.2 45.0 16.2 0.0 7.6 0.6 0.1 3.5 8.3 99.2 0 1982/83 11.5 6.5 28.2 11.3 5.0 19.5 23.0 0.0 0.5 0.0 0.0 0.0 8.8 105.5 0 1983/84 4.6 63.5 42.5 0.0 10.0 58.0 38.0 0.0 0.0 0.0 0.0 0.0 18.0 216.6 0 578 Tot ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0491357 Alsuma Site 0491357.RN Variable 10.00 Total Rainfall in Millimetres Figures are for period starting 800 hours. Mean Annual Missing Year Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Monthly Total Days 1984/85 9.3 1.5 0.0 72.5 63.6 9.0 11.0 0.0 0.0 0.0 0.0 0.0 13.9 166.9 0 1985/86 13.5 38.5 20.5 32.5 8.0 46.5 43.0 0.0 0.0 0.0 0.0 3.6 17.2 206.1 0 1986/87 10.5 0.0 0.0 14.0 56.0 21.0 57.0 0.0 0.0 0.0 0.0 0.0 13.2 158.5 0 1987/88 11.5 26.0 0.0 49.0 36.6 30.5 23.0 0.5 0.0 0.0 0.0 0.0 14.8 177.1 0 1988/89 0.0 16.5 26.0 24.0 19.5 13.5 43.0 16.0 0.0 0.0 0.0 0.0 13.2 158.5 0 1989/90 0.0 0.0 0.0 18.6 7.1 36.0 38.5 0.0 0.0 0.0 0.0 0.0 8.4 100.2 0 1990/91 0.0 0.0 20.0 11.5 2.5 52.0 13.5 0.0 0.0 0.0 0.0 14.8 9.5 114.3 0 1991/92 0.0 0.0 19.5 0.0 0.0 27.0 5.0 0.0 0.0 0.0 0.0 0.0 4.3 51.5 0 1992/93 0.0 0.0 3.0 3.0 35.0 10.0 70.4 2.0 0.0 0.0 0.0 0.0 10.3 123.4 0 1993/94 7.0 41.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [24.0] [48.0] 304 578 Tot Mean 5.7 12.2A 10.9A 29.5A 45.2A 42.1A 22.9A 2.7 2.1 0.5 0.0 1.4 [14.5] [167.7] Mean Med. 0.0 4.8A 7.3A 17.0A 25.8A 30.5A 16.5A 0.0 0.0 0.0 0.0 0.0 Med. Max 77.0 63.5A 42.5A 143.7A 374.8A 179.5A 106.5A 55.1 25.7 15.5 0.6 18.1 [59.6] [715.6] Max Min 0.0 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0 0.0 0.0 0.0 0.0 [0.1] [0.5] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 44 44 42 43 43 43 43 43 44 44 44 44 45 45 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded