Department of Water Affairs, Namibia HYMONTH V86 Output 29/07/2010 Site 0741326 Dordabis Site 0741326.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 1929/30 [ ] [ ] [ ] 120.0A 34.0A 44.5A 0.0 0.0 0.0 0.0 0.0 0.0 [22.1] [198.5] 92 1930/31 11.0 5.0 83.5 49.0 44.2 39.0A [ ] [ ] [ ] [ ] [ ] [ ] [38.6] [231.7] 183 1931/32 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1932/33 50.5 3.7 47.1 18.8 4.7 15.9 0.0 0.0 0.0 0.0 0.0 0.0 11.7 140.7 0 1933/34 0.0 13.9 90.6 256.0 158.7 222.1 57.8 1.5 [ ] [ ] [ ] [ ] [100.1] [800.6] 122 1934/35 [ ] 33.0 32.8 165.6 97.0 19.9 36.7 22.3 0.0 [ ] [ ] 4.5 [45.8] [411.8] 93 1935/36 0.0 16.1 20.2 167.8 22.5 68.0 10.3 33.5 [ ] [ ] [ ] [ ] [42.3] [338.4] 122 1936/37 0.7 56.0 37.1 67.9 99.7 20.7 41.4 [ ] [ ] [ ] [ ] [ ] [46.2] [323.5] 153 1937/38 4.9 27.0 63.8 213.0 9.6 30.5 63.9 53.3 6.1 [ ] 1.8 0.4 [43.1] [474.3] 31 1938/39 2.2 94.6 22.1 37.2 38.9 146.9 50.7 1.3 [ ] [ ] [ ] 8.3 [44.7] [402.2] 92 1939/40 46.5 15.3 41.3 138.6 109.2 51.7 28.5 0.0 5.9 0.0 0.0 6.6 37.0 443.6 0 1940/41 4.1 8.4 34.8 43.7 28.1 0.6 4.3 [ ] [ ] [ ] [ ] [ ] [17.7] [124.0] 153 1941/42 38.7 0.6 5.6 13.7 146.7 113.3 35.7 1.3 0.0 1.5 0.0 2.0 29.9 359.1 0 1942/43 14.6 10.7 78.9 9.9 12.5 20.6 39.1 0.0 0.0 0.0 3.9 0.0 15.9 190.2 0 1943/44 0.3 7.0 148.9 176.3 35.3 32.7 1.0 0.5 0.0 0.0 0.0 0.8 33.6 402.8 0 1944/45 13.0 7.9 30.3 33.3 40.2 38.2 8.6 0.0 0.0 0.0 0.0 0.0 14.3 171.5 0 1945/46 0.0 26.9 81.0 13.0 24.1 19.8 22.6 0.0 0.0 0.0 0.0 0.0 15.6 187.4 0 1946/47 0.8 18.6 54.3 61.8 49.2 88.7 50.4 0.0 2.1 0.0 0.0 0.0 27.2 325.9 0 1947/48 0.0 4.0 18.9 17.8 60.5 12.4 5.4 3.8 0.0 7.1 0.0 0.0 10.8 129.9 0 1948/49 0.8 38.6 17.0 62.2 33.4 198.7 35.7 0.0 0.0 0.0 0.0 0.0 32.2 386.4 0 1949/50 10.0 17.2 46.5 60.2 144.4 100.5 238.6 18.1 0.5 0.0 0.0 0.3 53.0 636.3 0 1950/51 0.0 13.2 28.2 19.5 72.8 33.5 44.9 6.1 0.0 0.0 0.0 2.0 18.4 220.2 0 1951/52 17.3 50.0 4.1 2.3 183.2 4.1 11.7 0.0 10.2 0.0 0.0 2.8 23.8 285.7 0 1952/53 28.3 29.7 9.4 69.4 120.5 70.9 11.6 7.1 0.0 0.0 0.0 0.3 28.9 347.2 0 1953/54 56.7 69.9 13.3 84.4 67.6 152.7 36.5 2.0 0.0 0.0 0.0 5.7 40.7 488.8 0 1954/55 13.6 8.2 22.6 69.1 97.0 61.7 52.2 1.7 13.2 0.0 0.0 0.0 28.3 339.3 0 1955/56 52.2 14.8 71.4 29.3 307.0 114.0 3.3 0.0 0.0 12.0 0.0 0.0 50.3 604.0 0 1956/57 6.0 17.8 18.0 84.5 56.5 70.0 11.0 9.1 0.0 6.8 0.0 0.8 23.4 280.5 0 1957/58 12.2 48.0 11.4 61.5 61.2 79.0 5.0 6.5 0.0 0.0 0.0 0.0 23.7 284.8 0 1958/59 0.0 7.5 13.5 15.2 55.7 29.6 4.6 0.0 0.0 0.0 0.0 5.0 10.9 131.1 0 1959/60 0.0 13.6 1.0 52.5 158.0 26.5 10.5 38.5 0.0 0.0 0.0 0.0 25.0 300.6 0 1960/61 12.5 17.5 4.5 36.0 73.5 82.5 27.0 5.0 16.5 0.0 0.0 0.0 22.9 275.0 0 1961/62 0.0 61.0 7.5 17.5 108.1 30.5 11.6 0.0 0.0 0.0 5.0 0.0 20.1 241.2 0 1962/63 54.0 4.5 0.0 242.5 11.0 53.0 45.5 0.0 0.0 0.0 0.0 0.0 34.2 410.5 0 1963/64 7.5 95.8 8.0 10.0 35.0 35.0 0.0 0.0 0.0 0.0 0.0 0.0 15.9 191.3 0 1926 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 0741326 Dordabis Site 0741326.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 1964/65 0.0 2.5 5.5 48.5 49.5 47.0 110.0 0.0 0.0 0.0 0.0 0.0 21.9 263.0 0 1965/66 0.0 36.0 0.0 120.0 45.0 20.0 46.5 0.0 4.0 0.0 0.0 43.0 26.2 314.5 0 1966/67 6.0 2.0 74.5 60.0 113.5 66.5 0.0 26.0 0.0 0.0 0.0 0.0 29.0 348.5 0 1967/68 0.0 43.0 25.0 22.5 16.0 76.0 2.3 2.0 4.5 0.0 0.0 0.0 15.9 191.3 0 1968/69 2.0 15.8 17.5 16.0 88.0 44.7 35.1 0.0 0.0 0.0 0.0 0.0 18.3 219.1 0 1969/70 0.0 35.4 9.0 17.9 64.0 22.6 16.0 0.0 0.0 0.0 0.0 0.0 13.7 164.9 0 1970/71 [ ] 31.0 81.7 78.3 89.4 37.4 62.6 7.5 4.6 0.0 0.0 0.0 [35.7] [392.5] 31 1971/72 0.0 22.6 6.4 130.8 0.0 225.1 42.5 0.0 0.0 0.0 0.0 0.0 35.6 427.4 0 1972/73 12.0 15.5 8.5 40.5 11.5 58.5 0.0 0.0 0.0 0.0 0.0 0.0 12.2 146.5 0 1973/74 51.0 0.0 46.0 271.5 134.8 108.2 169.0 0.0 0.0 0.0 0.0 8.5 65.7 789.0 0 1974/75 29.0 28.5 5.5 23.5 23.0 123.5 17.5 19.0 0.0 0.0 0.0 0.0 22.5 269.5 0 1975/76 0.0 17.5 28.5 174.0 112.5A 150.5 4.7 11.5 0.0 0.0 0.0 0.0 41.6A 499.2A 0 1976/77 27.8 0.0 0.0 110.5 163.5 39.5 64.0A 3.0 0.0 0.0 0.0 0.0 34.0A 408.3A 0 1977/78 3.5 7.5 6.0 199.1 88.1 34.0 14.0 2.5 0.0 0.0 0.0 0.0 29.6 354.7 0 1978/79 0.0 28.0 21.5 31.5 135.3 2.0 6.7 18.5 6.0 0.0 0.0 4.0 21.1 253.5 0 1979/80 15.0 34.5 32.0 1.0 58.0 116.0 0.0 0.0 0.0 0.0 0.0 13.0 22.5 269.5 0 1980/81 0.0 8.5 21.0 2.0 15.0 95.5 0.0 0.0 0.0 0.0 0.0 0.0 11.8 142.0 0 1981/82 0.0 0.0 0.0 11.0 79.8 2.0 0.0 0.0 0.0 0.0 0.0 0.0 7.7 92.8 0 1982/83 2.0 2.0 52.5 94.1 40.7 15.5 33.5 4.5 12.0 0.0 0.0 0.0 21.4 256.8 0 1983/84 26.0 26.6 72.6 35.0 35.0 53.0 55.5 [ ] [ ] [ ] [ ] 0.0 [38.0] [303.7] 123 1984/85 0.0 22.5 9.0 110.0 56.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 16.5 197.5 0 1985/86 16.8 23.0 42.0 81.7 27.3 79.5 18.2 0.0 0.0 0.0 0.0 2.0 24.2 290.5 0 1986/87 47.9 16.0 4.0 12.2 168.8 13.5 45.5 14.5 0.0 0.0 0.0 0.0 26.9 322.4 0 1987/88 6.0 11.0 31.0 141.5 94.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 23.6 283.5 0 1988/89 0.2 26.1 108.2 90.4 149.4 13.8 85.2 5.5 0.0 0.0 0.0 0.0 39.9 478.8 0 1989/90 0.0 0.0 0.0 69.5 21.8 36.2 27.3 0.0 0.0 0.0 0.0 0.0 12.9 154.8 0 1990/91 11.0 38.5 70.5 116.2 89.4 71.5 0.0 0.0 0.0 0.0 0.0 9.0 33.8 406.1 0 1991/92 36.1 36.5 104.0 12.4 49.9 65.4 0.0 0.0 0.0 0.0 0.0 2.7 25.6 307.0 0 1992/93 2.5 3.7 14.1 13.2 103.7 71.9 31.0 [ ] [ ] [ ] 0.0 0.0 [26.7] [240.1] 92 1993/94 45.7 34.0 20.7 108.2 83.0 0.0 11.4 0.0 0.0 0.0 0.0 0.0 25.3 303.0 0 1994/95 0.0 13.0 3.3 0.0 23.3 53.8 0.0 0.0 0.0 0.0 0.0 0.0 7.8 93.4 0 1995/96 0.0 1.5 5.3 59.5 46.0 5.0 0.0 0.0 0.0 10.0 0.0 0.0 10.6 127.3 0 1996/97 0.0 31.0A 37.0 196.0 109.0 110.0 8.0 0.0 0.0 0.0 0.0 0.0 40.9A 491.0A 0 1997/98 0.0 0.0 109.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [36.3] [109.0] 273 1926 Tot Mean 12.3 21.9A 33.4 74.9A 74.4A 59.5A 29.0A 5.3 1.5 0.7 0.2 2.0 [28.3] [308.7] Mean Med. 3.5 16.1A 21.5 60.0A 60.5A 44.7A 15.0A 0.0 0.0 0.0 0.0 0.0 Med. Max 56.7 95.8A 148.9 271.5A 307.0A 225.1A 238.6A 53.3 16.5 12.0 5.0 43.0 [100.1] [800.6] Max Min 0.0 0.0A 0.0 0.0A 0.0A 0.0A 0.0A 0.0 0.0 0.0 0.0 0.0 [7.7] [92.8] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 65 67 67 67 67 67 66 62 59 57 59 62 68 68 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded