Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0609734 Arusis Site 0609734.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 1939/40 [ ] [ ] [ ] 41.9 35.5 7.4 1.8 0.0 6.1 0.0 0.0 23.0 [12.9] [115.7] 92 1940/41 0.0 5.3 48.5 29.1 21.1 0.0 9.9 0.0 0.0 0.0 0.0 0.0 9.5 113.9 0 1941/42 22.6 0.8 0.8 0.0 143.8 22.1 11.1 8.4 0.5 0.0 0.0 1.5 17.6 211.6 0 1942/43 11.1 10.4 50.3 4.5 22.2 21.8 31.5 0.0 0.0 0.0 4.1 1.6 13.1 157.5 0 1943/44 4.1 10.2 50.6 84.2 28.6 4.6 0.0 0.3 0.0 0.0 0.0 0.0 15.2 182.6 0 1944/45 0.0 14.2 0.8 12.6 21.0 8.8 2.0 0.0 0.0 0.0 0.0 0.0 5.0 59.4 0 1945/46 0.0 0.0 37.4 4.6 0.0 32.3 21.1 0.5 0.0 0.0 0.0 0.0 8.0 95.9 0 1946/47 0.0 5.6 13.0 24.1 13.6 40.6 18.0 2.3 10.9 0.0 0.0 5.3 11.1 133.4 0 1947/48 0.0 0.0 1.6 25.8 40.1 12.7 10.7 0.0 0.0 8.2 0.0 0.0 8.3 99.1 0 1948/49 0.0 17.8 0.0 3.0 52.8 32.2 7.0 0.0 0.0 0.0 0.0 0.0 9.4 112.8 0 1949/50 0.0 2.8 34.3 32.2 174.5 88.1A 31.3 13.0 0.0 0.0 0.0 0.0 31.4A 376.2A 0 1950/51 0.0 1.3 21.6 11.4 72.4 0.6 13.7 1.1 0.0 0.0 0.0 0.0 10.2 122.1 0 1951/52 0.3 52.9 2.0 7.3 118.9 0.5 11.4 0.0 1.8 0.0 0.0 4.3 16.6 199.4 0 1952/53 3.1 24.8 0.0 36.3 80.2 19.3 33.1 0.0 0.0 0.0 0.0 0.0 16.4 196.8 0 1953/54 4.2 1.2 13.3 57.6 32.3 192.9 7.9 0.5 0.0 0.0 0.0 0.0 25.8 309.9 0 1954/55 0.2 9.2 12.5 99.4 60.5 35.1 5.8 0.4 9.7 0.0 0.0 0.0 19.4 232.8 0 1955/56 0.3 6.0 2.3 85.1 130.1 92.9 0.0 0.0 0.1 0.2 0.0 0.0 26.4 317.0 0 1956/57 0.0 0.0 0.0 58.8 52.7 170.1 31.5 0.0 0.0 11.1 0.0 0.0 27.0 324.2 0 1957/58 3.5 16.8 26.6 22.2 31.4 20.5 2.6 1.7 0.0 0.0 0.0 4.1 10.8 129.4 0 1958/59 0.3 1.0 12.6 38.5 32.2 27.2 14.7 0.0 2.2 0.0 0.0 0.0 10.7 128.7 0 1959/60 0.3 13.3 5.0 3.4 86.0 39.4A 0.0 0.2 0.0 0.0 0.0 0.2 12.3A 147.8A 0 1960/61 0.0 0.7 11.6 2.6A 6.8 55.7 16.9 0.3 10.1 0.0 0.0 0.3 8.7A 105.0A 0 1961/62 0.1 3.7 19.7 5.2 58.1 0.1 1.6 0.0 0.0 0.0 0.1 0.0 7.4 88.6 0 1962/63 19.6 0.2 2.8 139.6 3.7 36.5 15.7 9.1 0.1 1.3 1.0 0.4 19.2 230.0 0 1963/64 0.8 37.9 9.7 0.7 9.3 27.8 0.1 0.0 0.0 0.0 0.1 0.1 7.2 86.5 0 1964/65 7.0 0.4 0.5 25.6 35.4 20.0 41.8 0.0 1.2 0.0 0.0 12.9 12.1 144.8 0 1965/66 1.1 3.2 0.2 87.4 24.7 25.3 2.4 0.0 8.6 0.0 0.1 0.0 12.7 153.0 0 1966/67 5.4 0.0 33.2 18.0 47.0 46.5 2.2 5.5 0.0 0.0 0.0 0.0 13.2 157.8 0 1967/68 0.8 22.2 12.5 0.2 26.2 64.2 0.0 4.2 4.5 0.0 0.0 0.0 11.2 134.8 0 1968/69 0.3 12.1 42.9 6.1 94.0 71.2 2.5 8.0 0.0 0.0 0.2 0.2 19.8 237.5 0 1969/70 0.0 0.3 1.9 43.7 97.7 6.3 9.8 0.0 0.2 0.0 0.0 0.0 13.3 159.9 0 1970/71 7.5 24.5 3.4 34.5 64.4 12.6 20.3 0.3 0.3 0.0 0.0 0.0 14.0 167.8 0 1971/72 11.4 0.2 0.5 53.5 6.5 101.8 53.3 0.0 0.0 0.0 0.1 0.0 18.9 227.3 0 1972/73 2.3 7.6 8.8 5.3 24.2 70.7 2.5 0.0 0.1 0.1 0.0 0.1 10.1 121.7 0 1973/74 3.4 0.4 6.6 224.2 74.2 77.3 64.7 0.1 0.1 0.0 0.0 0.1 37.6 451.1 0 365 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 0609734 Arusis Site 0609734.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 1974/75 0.1 15.0 4.4 16.6 46.9 122.2 38.0 1.9 0.0 0.3 0.0 0.0 20.4 245.4 0 1975/76 0.0 0.8 5.7 204.5 80.0 236.3 7.7 0.9 0.1 0.0 0.1 0.0 44.7 536.1 0 1976/77 9.0 0.0 0.3 9.8 170.8 7.8 68.5 0.0 0.0 0.0 0.0 0.0 22.2 266.2 0 1977/78 4.7 0.0 2.0 55.7 93.2 85.6 25.0 0.4 0.0 0.0 0.0 0.0 22.2 266.6 0 1978/79 0.0 43.0 4.2 34.2 114.3 0.1 8.2 5.8 34.6 0.2 0.9 6.9 21.0 252.4 0 1979/80 10.1 8.7 8.5 13.4 22.9 114.9 1.8 0.0 0.0 0.0 4.3 0.9 15.5 185.5 0 1980/81 0.0 6.5 14.1 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [6.9] [20.6] 273 365 Tot Mean 3.3 9.3 12.8 40.6A 57.3 50.0A 15.8 1.6 2.2 0.5 0.3 1.5 [16.1] [190.6] Mean Med. 0.3 5.3 6.6 25.6A 46.9 32.2A 9.9 0.1 0.0 0.0 0.0 0.0 Med. Max 22.6 52.9 50.6 224.2A 174.5 236.3A 68.5 13.0 34.6 11.1 4.3 23.0 [44.7] [536.1] Max Min 0.0 0.0 0.0 0.0A 0.0 0.0A 0.0 0.0 0.0 0.0 0.0 0.0 [5.0] [20.6] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 41 41 41 41 41 41 41 41 41 41 41 41 42 42 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded