Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0418310 Hostyn Site 0418310.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 1931/32 [ ] [ ] [ ] 2.5 18.0 46.3 0.4 9.1 1.2 0.0 0.0 0.0 [8.6] [77.5] 92 1932/33 24.6 4.2 4.0 0.0 19.9 16.4 0.3 0.0 0.0 0.2 0.7 0.0 5.9 70.3 0 1933/34 0.0 22.7 20.4 28.5 44.5 129.8 15.4 0.0 0.0 0.0 0.0 0.0 21.8 261.3 0 1934/35 6.2 11.6 14.9 20.7 43.1 16.6 4.7 6.2 0.0 0.0 0.0 3.9 10.7 127.9 0 1935/36 0.8 0.0 1.5 0.0 1.0 49.4 4.3 9.7 0.0 0.0 0.0 0.0 5.6 66.7 0 1936/37 2.9 16.2 36.3 110.9 19.6 0.9 1.3 0.0 0.0 0.0 0.0 0.0 15.7 188.1 0 1937/38 0.0 0.5 31.6 28.7 14.3 7.9 38.3 17.0 3.2 0.0 0.0 0.0 11.8 141.5 0 1938/39 0.0 31.9 3.2 42.3 31.4 7.0 21.9 4.7 1.9 25.5 4.8 0.0 14.6 174.6 0 1939/40 8.4 2.2 0.0 32.3 106.5 46.5 18.0 0.0 0.8 0.0 0.3 13.4 19.0 228.4 0 1940/41 3.8 0.0 6.6 0.0 22.4 0.0 1.3 0.0 0.0 0.0 0.0 0.0 2.8 34.1 0 1941/42 10.5 0.0 0.0 0.8 74.7 45.2 80.0 50.3 0.0 0.0 0.0 0.0 21.8 261.5 0 1942/43 19.3 0.0 6.8 4.4 0.0 17.1 5.4 0.0 0.0 0.0 0.0 22.8 6.3 75.8 0 1943/44 0.0 26.0 46.8 1.5 5.8 7.1 0.0 3.3 0.0 0.0 0.0 0.0 7.5 90.5 0 1944/45 1.5 0.0 0.0 16.5 7.1 17.0 11.9 0.3 0.0 0.0 0.0 0.0 4.5 54.3 0 1945/46 0.0 1.0 16.6 10.9 15.0 0.0 23.4 7.9 0.0 0.0 0.0 0.0 6.2 74.8 0 1946/47 0.0 0.0 0.5 40.9 0.0 14.6 0.0 10.4 3.8 0.0 0.0 5.1 6.3 75.3 0 1947/48 0.0 0.0 8.9 63.0 29.2 0.0 22.9 0.0 0.0 0.0 0.0 0.0 10.3 124.0 0 1948/49 0.0 25.4 2.8 5.6 35.3 21.3 12.7 0.5 12.9 0.0 1.5 0.0 9.8 118.0 0 1949/50 3.6 0.0 0.3 0.3 84.7 59.6 37.2 12.7 0.0 0.3 0.0 3.5 16.9 202.2 0 1950/51 0.0 5.4 8.6 1.3 37.2 0.0 3.9 3.1 1.5 0.0 0.0 0.0 5.1 61.0 0 1951/52 0.0 11.5 0.0 33.0 65.1 0.0 0.5 1.8 0.0 0.0 0.0 0.0 9.3 111.9 0 1952/53 8.1 14.2 2.3 3.1 43.3 5.1 39.8 0.0 0.0 0.2 0.0 0.0 9.7 116.1 0 1953/54 3.9 17.0 102.9 0.2 29.2 159.0 1.4 0.0 0.0 0.0 0.0 1.0 26.2 314.6 0 1954/55 0.0 4.0 0.0 62.4 10.8 43.5 2.5 2.2 3.5 1.4 0.0 0.0 10.9 130.3 0 1955/56 9.7 41.9 3.9 28.6 52.7 136.3 3.0 4.5 0.1 0.0 0.0 0.0 23.4 280.7 0 1956/57 16.5 0.0 10.0 14.0 2.0 43.0 27.5 2.5 0.3 0.0 0.0 0.0 9.7 115.8 0 1957/58 0.0 17.4 32.2 2.4 4.5 4.7 4.7 0.9 0.0 0.0 0.0 0.0 5.6 66.8 0 1958/59 0.0 0.0 37.1 1.0 9.2 4.0 15.3 0.0 3.3 0.0 0.0 0.0 5.8 69.9 0 1959/60 0.0 0.0 5.0 2.0 29.0 50.8 0.0 0.5 0.0 0.0 6.5 0.0 7.8 93.8 0 1960/61 0.0 5.7 3.5 0.0 0.0 14.6 57.5 0.0 23.3 0.0 0.0 0.0 8.7 104.6 0 1961/62 0.0 24.5 14.0 0.0 21.0 11.0 2.5 0.0 0.0 0.0 0.0 0.0 6.1 73.0 0 1962/63 1.5 0.0 0.0 68.2 5.5 61.1 24.0 0.0 0.0 0.0 0.0 7.0 13.9 167.3 0 1963/64 5.2 22.5 4.0 0.0 9.5 2.0 0.0 0.0 0.0 0.0 0.1 3.5 3.9 46.8 0 1964/65 8.5 0.3 5.6 41.8 4.0 36.1 37.5 0.0 0.0 0.0 0.0 14.0 12.3 147.8 0 1965/66 5.0 3.0 3.3 72.0 21.5 40.0 25.0 0.0 2.3 0.0 0.0 7.3 15.0 179.4 0 2375 Tot ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... [ ] Data Not Recorded Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0418310 Hostyn Site 0418310.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 1966/67 20.2 0.0 0.3 0.0 33.1 81.6 5.5 30.4 0.0 0.0 0.0 0.1 14.3 171.2 0 1967/68 0.0 16.8 4.4 0.0 0.3 63.9 0.0 66.0 0.0 0.0 0.0 0.0 12.6 151.4 0 1968/69 0.0 0.2 0.0 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.0] [0.2] 242 1969/70 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1970/71 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1971/72 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1972/73 [ ] 0.0 0.0 0.0 20.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [5.0] [20.0] 245 1973/74 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1974/75 [ ] 18.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [18.0] [18.0] 335 2375 Tot Mean 4.3 8.8 11.5 19.0 25.5 34.0 14.9 6.6 1.6 0.7 0.4 2.2 [10.7] [122.2] Mean Med. 0.8 3.0 4.0 3.1 20.0 17.0 5.4 0.5 0.0 0.0 0.0 0.0 Med. Max 24.6 41.9 102.9 110.9 106.5 159.0 80.0 66.0 23.3 25.5 6.5 22.8 [26.2] [314.6] Max Min 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 [0.0] [0.2] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 37 39 38 39 38 37 37 37 37 37 37 37 40 40 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... [ ] Data Not Recorded