Department of Water Affairs, Namibia HYMONTH V86 Output 29/07/2010 Site 0740215 Avis Dam Site 0740215.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 1930/31 [ ] [ ] 39.6 71.9 97.2 83.7 [ ] [ ] [ ] [ ] [ ] [ ] [73.1] [292.4] 244 1931/32 [ ] [ ] [ ] 21.9 15.0 74.4 0.2 [ ] [ ] [ ] [ ] [ ] [27.9] [111.5] 245 1932/33 44.0 0.8 35.0 1.2 37.4 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [23.7] [118.4] 214 1933/34 [ ] [ ] 139.0 339.9 167.7 183.1 102.3 [ ] [ ] [ ] [ ] [ ] [186.4] [932.0] 214 1934/35 [ ] 89.6 38.4 76.5 47.9 32.2 36.3 [ ] [ ] [ ] [ ] [ ] [53.5] [320.9] 184 1935/36 [ ] [ ] [ ] 121.8 17.6 53.6 7.8 42.0 [ ] [ ] [ ] [ ] [48.6] [242.8] 214 1936/37 [ ] [ ] 31.8 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [31.8] [31.8] 334 1937/38 [ ] 77.1 93.5 189.0 45.9 4.7 76.1 47.6 11.3 [ ] [ ] [ ] [68.1] [545.2] 123 1938/39 [ ] 152.0 31.8 82.7 28.1 169.0 9.3 [ ] [ ] [ ] [ ] [ ] [78.8] [472.9] 184 1939/40 34.5 15.2 52.9 61.8 40.9 81.7 14.2 [ ] [ ] [ ] [ ] 2.8 [38.0] [304.0] 123 1940/41 11.0 12.7 69.3 64.9 31.0 47.5 [ ] [ ] [ ] [ ] [ ] [ ] [39.4] [236.4] 183 1941/42 45.5 [ ] [ ] 20.0 296.9 100.2 119.3 [ ] [ ] [ ] [ ] [ ] [116.4] [581.9] 214 1942/43 10.2 12.4 72.0 25.2 29.7 18.3 124.0 [ ] [ ] [ ] [ ] [ ] [41.7] [291.8] 153 1943/44 [ ] 7.7 102.2 143.6 27.5 23.8 [ ] [ ] [ ] [ ] [ ] [ ] [61.0] [304.8] 214 1944/45 9.4 28.7 6.6 26.7 40.0 52.2 0.0 0.0 0.0 0.0 0.0 0.0 13.6 163.6 0 1945/46 0.0 33.9 99.6 3.3 16.0 16.4 22.2 0.0 0.0 0.0 0.0 0.0 16.0 191.4 0 1946/47 3.6 7.4 23.0 48.4 71.9 136.4 42.1 2.0 2.8 0.0 0.0 0.0 28.1 337.6 0 1947/48 0.0 0.0 64.5 55.9 94.6 15.2 12.2 0.0 0.0 10.4 0.0 0.0 21.1 252.8 0 1948/49 1.5 47.8 49.4 84.8 39.9 193.7 84.9 0.0 0.0 0.0 0.0 0.0 41.8 502.0 0 1949/50 9.5 40.1 18.2 148.8 155.8 214.1 152.1 5.2 2.8 0.0 0.0 1.3 62.3 747.9 0 1950/51 0.0 28.5 119.7 44.3 86.9 28.0 88.3 12.8 0.0 0.0 0.0 0.0 34.0 408.5 0 1951/52 18.5 34.7 24.9 58.7 138.9 9.4 14.0 0.0 0.0 0.0 0.0 0.3 25.0 299.4 0 1952/53 41.0 86.9 6.1 41.8 174.7 124.3 33.5 27.4 0.0 0.0 0.0 6.0 45.1 541.7 0 1953/54 23.6 31.5 58.6 118.2 65.6 291.0 78.0 0.4 0.0 0.0 0.0 24.9 57.7 691.8 0 1954/55 [ ] [ ] [ ] 46.0 21.0 106.0 82.0 0.0 27.5 0.0 0.0 0.0 [31.4] [282.5] 92 1955/56 32.0 79.0 67.0 83.0 141.0 113.0 55.0 0.0 0.0 11.0 0.0 5.0 48.8 586.0 0 1956/57 0.0 14.0 43.1 134.0 131.5 105.5 27.0 0.0 0.0 1.0 0.0 0.0 38.0 456.1 0 1957/58 10.0 93.0 133.0 138.0 91.0 68.0 0.0 0.0 0.0 0.0 0.0 0.0 44.4 533.0 0 1958/59 [ ] [ ] [ ] [ ] 31.3 35.3 34.0 0.3 0.0 0.0 0.0 1.3 [12.8] [102.2] 123 1959/60 2.5 32.1 7.3 27.3 151.7 19.5 14.3 15.0 0.0 0.0 0.0 5.0 22.9 274.7 0 1960/61 9.0 8.3 7.3 33.8 31.5 68.7 21.5 7.5 19.0 0.0 0.0 0.4 17.3 207.0 0 1961/62 0.0 33.3 20.3 20.7 142.7 0.0 1.5 0.0 0.0 0.0 21.0 0.0 20.0 239.5 0 1962/63 26.5 9.2 11.6 280.0 16.8 135.5 149.0 6.0 0.0 0.0 0.0 2.7 53.1 637.3 0 1963/64 25.9 154.0 14.5 36.4 49.0 82.0 19.5 0.0 0.0 0.0 0.0 0.0 31.8 381.3 0 1964/65 4.8 17.2 39.5 79.0 73.5 62.4 73.5 0.0 0.0 0.0 0.0 4.0 29.5 353.9 0 3058 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 29/07/2010 Site 0740215 Avis Dam Site 0740215.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 1965/66 8.0 19.2 4.0 116.7A 90.5 40.7 81.1 0.0 4.5 0.0 0.0 58.0 35.2A 422.7A 0 1966/67 6.5 5.3 46.5 32.9 110.3 52.4 5.8 33.0 0.0 0.0 0.0 0.0 24.4 292.7 0 1967/68 0.0 59.9 48.8A 102.0 24.7 151.4 2.5 22.1 0.6 0.0 0.0 0.0 34.3A 412.0A 0 3058 Tot Mean 14.0 41.1 49.1A 82.8A 77.7 83.1 48.0 8.5 2.7 0.9 0.9 4.5 [44.1] [371.2] Mean Med. 9.4 30.1 39.6A 63.4A 49.0 68.3 33.5 0.2 0.0 0.0 0.0 0.0 Med. Max 45.5 154.0 139.0A 339.9A 296.9 291.0 152.1 47.6 27.5 11.0 21.0 58.0 [186.4] [932.0] Max Min 0.0 0.0 4.0A 1.2A 15.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 [12.8] [31.8] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 27 30 33 36 37 36 33 26 25 24 24 25 38 38 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded