Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0348819 Duurdrift Noord Site 0348819.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 1938/39 [ ] [ ] [ ] 9.5 43.9 29.8 14.1 2.7 10.8 35.5 6.7 0.0 [17.0] [153.0] 92 1939/40 38.1 0.0 0.0 19.1 76.5 48.3 [ ] [ ] [ ] [ ] [ ] 8.1 [27.2] [190.1] 153 1940/41 2.3 0.0 3.5 72.9 42.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.1 121.4 0 1941/42 10.4 0.0 0.0 0.0 59.8 [ ] [ ] [ ] 0.0 0.0 [ ] 15.0 [10.6] [85.2] 123 1942/43 24.4 11.7 9.1 5.6 16.3 6.8 20.3 12.4 0.0 0.0 1.5 1.0 9.1 109.1 0 1943/44 14.0 69.6 86.6 14.2 23.4 40.7 0.0 6.1 0.0 0.0 1.0 0.0 21.3 255.6 0 1944/45 4.6 0.0 0.8 21.6 13.7 27.7 [ ] [ ] [ ] [ ] [ ] [ ] [11.4] [68.4] 183 1945/46 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1946/47 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1947/48 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1948/49 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1949/50 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1950/51 [ ] [ ] [ ] [ ] [ ] 4.1 1.5 3.3 1.5 0.0 0.0 0.0 [1.5] [10.4] 151 1951/52 0.0 1.5 0.0 6.3 66.8 0.0 1.5 3.6 0.0 0.0 0.0 0.0 6.6 79.7 0 1952/53 16.3 3.8 37.6 1.5 41.5 9.2 11.0 0.0 0.0 0.0 0.0 0.0 10.1 120.9 0 1953/54 0.0 0.0 65.3 0.0 17.0 115.0 13.4 6.0 0.0 0.0 0.0 0.0 18.1 216.7 0 1954/55 4.5 5.0 0.0 55.5A 8.0 12.0 4.0 1.5 37.5 0.5 0.0 0.0 10.7A 128.5A 0 1955/56 10.5 45.0 0.0 47.5A 79.0A 126.5 0.0 0.0 0.0 0.0 0.0 0.0 25.7A 308.5A 0 1956/57 7.5 0.0 2.5 26.0 10.5 40.0 0.0 0.0 0.0 0.0 0.0 0.0 7.2 86.5 0 1957/58 0.0 0.0 11.0 0.0 30.0 0.0 23.0 0.0 0.0 0.0 0.0 0.0 5.3 64.0 0 1958/59 0.0 0.0 20.5 18.0 46.2 8.1 0.0 0.0 14.0 0.0 0.0 0.0 8.9 106.8 0 1959/60 0.0 16.0 24.0 0.0 25.5 44.0 14.0 0.0 0.0 0.0 0.0 0.0 10.3 123.5 0 1960/61 0.0 0.0 18.0 7.5 8.0 11.0 80.5A 0.0 20.0 7.0 0.0 0.0 12.7A 152.0A 0 1961/62 0.0 33.0 0.0 0.0 78.0 12.5 0.0 0.0 0.0 0.0 23.5 0.0 12.3 147.0 0 1962/63 0.0 5.5 0.0 32.5 24.5 63.5 23.0 20.0 0.0 0.0 0.0 0.0 14.1 169.0 0 1963/64 6.0 22.5 0.0 0.0 0.0 12.0 0.0 6.0 3.0A 0.0 1.0 0.0 4.2A 50.5A 0 1964/65 0.0 0.0 21.0 11.0 11.0 35.0 47.0 0.0 0.0 0.0 0.0 0.0 10.4 125.0 0 1965/66 6.5 0.0 0.0 0.0 27.0 8.5 9.5 0.0 0.0 0.0 0.0 0.0 4.3 51.5 0 1966/67 24.0 0.0 0.0 11.5 26.5 37.0 92.0 13.0 0.0 0.0 0.0 0.0 17.0 204.0 0 1967/68 0.0 34.5 9.0 0.0 0.0 61.5 0.0 83.5 0.0 0.0 0.0 0.0 15.7 188.5 0 1968/69 16.0 0.0 19.0 20.5 53.5 46.5A 22.0 0.0 0.0 11.0 0.0 0.0 15.7A 188.5A 0 1969/70 0.0 0.0 0.0 0.0 40.0 0.0 0.0 0.0 0.0 0.0 14.0A 0.0 4.5A 54.0A 0 1970/71 33.5 0.0 [ ] [ ] 24.0 0.0 15.0 0.0 0.0 10.5 0.0 0.0 [8.3] [83.0] 62 1971/72 0.0 0.0 [ ] 37.0A 14.0 14.0 46.5 0.0 0.0 0.0 0.0 0.0 [10.1] [111.5] 31 1972/73 0.0 5.0 0.0 0.0 33.0 30.5A 6.0 0.0 0.0 0.0 0.0 0.0 6.2A 74.5A 0 2804 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 0348819 Duurdrift Noord Site 0348819.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 1973/74 23.0 20.0 18.0 224.0 185.5 98.0 75.0 0.0 0.0 0.0 0.0 0.0 53.6 643.5 0 1974/75 0.0 14.0 24.0 20.5 4.5 105.0 3.5 0.0 0.0 0.0 0.0 0.0 14.3 171.5 0 1975/76 0.0 0.0 37.0 107.5 38.5 116.0 12.0 0.0 0.0 0.0 0.0 0.0 25.9 311.0 0 1976/77 14.0 0.0 0.0 0.0 107.0 70.5 50.0 0.0 0.0 0.0 0.0 0.0 20.1 241.5 0 1977/78 0.0 5.5 0.0 7.0 11.0 40.5 19.0 0.0 0.0 0.0 0.0 12.5 8.0 95.5 0 1978/79 0.0 14.0 8.0 29.0 17.0 0.0 0.0 0.0 23.0 25.0 0.0 4.0 10.0 120.0 0 1979/80 17.0 0.0 0.0 0.0 31.0 47.5 0.0 0.0 0.0 0.0 0.0 0.0 8.0 95.5 0 1980/81 0.0 9.5 0.0 0.0 81.0 32.0A [ ] [ ] [ ] [ ] [ ] [ ] [20.4] [122.5] 183 2804 Tot Mean 7.6 8.8 12.2 22.4A 38.3A 36.6A 17.8A 4.6 3.1A 2.6 1.4A 1.1 [13.3] [148.1] Mean Med. 1.2 0.0 1.6 8.5A 27.0A 30.5A 10.3A 0.0 0.0A 0.0 0.0A 0.0 Med. Max 38.1 69.6 86.6 224.0A 185.5A 126.5A 92.0A 83.5 37.5A 35.5 23.5A 15.0 [53.6] [643.5] Max Min 0.0 0.0 0.0 0.0A 0.0A 0.0A 0.0A 0.0 0.0A 0.0 0.0A 0.0 [1.5] [10.4] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 36 36 34 36 37 37 34 34 35 35 34 36 38 38 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded