Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0612897 Witkrans Site 0612897.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 [ ] [ ] [ ] 9.6 89.3 200.1 13.2 0.1 8.1 7.2 6.8 5.7 [37.8] [340.1] 92 1939/40 39.1 67.0 4.6 28.6 54.1 0.0 37.5 22.0 0.6 0.0 0.0 10.6 22.0 264.1 0 1940/41 0.0 9.8 30.3 28.4 57.7 21.3 6.1 0.0 0.0 0.0 0.0 0.0 12.8 153.6 0 1941/42 14.5 11.2 0.0 6.6 [ ] [ ] 39.2 7.9 0.0 0.0 0.0 10.4 [9.0] [89.8] 59 1942/43 16.5 5.6 44.7 25.1 18.1 25.7 61.0 0.0 [ ] [ ] [ ] [ ] [24.6] [196.7] 122 1943/44 [ ] 35.1 87.4 60.7 0.5 38.7 0.0 2.5 0.0 0.0 0.0 0.0 [20.4] [224.9] 31 1944/45 17.3 0.0 0.0 13.2 16.9 6.1 0.0 0.0 0.0 0.0 0.0 0.0 4.5 53.5 0 1945/46 0.0 20.8 23.6 2.0 36.5 14.3 10.6 2.3 0.0 0.0 0.0 2.0 9.3 112.1 0 1946/47 4.6 1.5 19.7 18.1 23.3 30.0 11.2 3.5 1.8 0.0 0.0 6.8 10.0 120.5 0 1947/48 0.3 8.1 46.5 43.4 85.6 54.0 20.0 0.0 0.0 1.5 0.0 0.0 21.6 259.4 0 1948/49 1.0 51.1 20.5 10.4 6.9 49.6 31.7 0.0 2.1 0.0 0.3 0.0 14.5 173.6 0 1949/50 30.5 0.3 23.2 4.8 59.4 144.3 22.3 10.2 0.0 0.0 0.0 7.9 25.2 302.9 0 1950/51 0.0 28.8 50.3 46.3 26.7 0.0 9.6 21.4 0.0 0.0 0.0 3.6 15.6 186.7 0 1951/52 4.4 44.2 0.0 4.9 100.9 0.0 19.8 0.0 3.3 0.0 0.0 1.8 14.9 179.3 0 1952/53 24.4 27.9 0.0 2.0 60.0 62.4 34.8 0.0 0.0 0.0 0.7 0.0 17.7 212.2 0 1953/54 17.4 0.0 75.4 15.0 44.9 189.5 10.8 2.5 0.0 0.0 0.0 0.0 29.6 355.5 0 1954/55 11.4 3.4 9.4 45.0 16.0 30.4 15.6 1.1 14.4 0.0 0.0 0.0 12.2 146.7 0 1955/56 0.4 41.8 41.8 76.5 157.4 114.2 9.5 0.5 0.0 1.5 0.0 0.0 37.0 443.6 0 1956/57 2.9 9.2 13.1 40.3 25.7 45.8 7.1 9.4 0.1 0.8 0.1 9.3 13.6 163.8 0 1957/58 5.4 34.2 118.9 45.3 8.8 16.3 3.8 0.0 0.0 0.0 0.0 0.5 19.4 233.2 0 1958/59 0.1 0.0 16.2 35.3 68.8 17.4 8.7 0.0 2.5 0.0 0.0 0.4 12.5 149.4 0 1959/60 0.2 4.7 9.4 3.0 67.1 50.5 0.8 19.2 0.1 0.1 0.0 0.3 13.0 155.4 0 1960/61 0.0 10.9 2.2 33.4 15.5 9.9 19.9 7.9 27.7 0.0 0.0 0.0 10.6 127.4 0 1961/62 1.2 21.9 31.4 30.5 64.1 0.0 2.5 0.0 0.0 0.0 15.9 0.0 14.0 167.5 0 1962/63 6.2 4.4 2.3 121.6 0.0 83.1 29.4 12.4 0.1 1.1 0.0 0.0 21.7 260.6 0 1963/64 11.0 29.5 16.1 3.2 5.5 15.0 7.4 0.0 0.0 0.0 0.1 0.0 7.3 87.8 0 1964/65 3.7 0.0 8.1 13.8 56.1 20.3 32.0 0.0 0.0 0.0 0.0 2.8 11.4 136.8 0 1965/66 0.1 4.6 0.0 38.7 0.0 13.3 20.6 0.0 1.5 0.0 0.0 12.0 7.6 90.8 0 1966/67 10.8 0.0 18.1 71.4 29.9 88.6 7.9 6.2 0.0 0.0 0.0 0.0 19.4 232.9 0 1967/68 0.8 17.3 0.8 7.3 10.3 63.9 0.0 8.4 6.0 0.0 0.0 0.0 9.6 114.8 0 1968/69 10.8 23.2 1.1 9.0 57.8 8.7 24.5 2.4 0.0 0.0 0.0 0.0 11.5 137.5 0 1969/70 1.6 3.9 11.9 21.0 41.6 0.0 9.2 0.0 1.1 0.0 0.0 0.0 7.5 90.3 0 1970/71 13.6 3.9 0.2 16.7 21.8 20.5 7.6 9.3 0.1 0.0 0.0 0.0 7.8 93.7 0 1971/72 13.1 24.7 1.5 100.5 7.8 78.8 37.1 0.0 0.0 0.0 0.0 0.0 22.0 263.5 0 1972/73 4.2 11.0 0.0 2.2 45.6 57.0 35.6 0.0 0.0 0.4 0.0 0.0 13.0 156.0 0 942 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 0612897 Witkrans Site 0612897.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 10.4 0.5 18.0 77.4 221.7 12.7 130.4 0.0 3.6 0.0 0.0 3.0 39.8 477.7 0 1974/75 18.2 9.5 18.6 7.1 17.7 140.6 0.0 1.3 0.0 0.0 0.0 0.0 17.8 213.0 0 1975/76 1.4 9.4 6.7 124.1 93.7 141.2 22.3 6.1 0.0 0.0 0.5 0.0 33.8 405.4 0 1976/77 12.8 0.0 0.0 40.6 142.6 91.5 58.4 0.0 0.0 0.0 0.0 0.0 28.8 345.9 0 1977/78 9.0 4.8 22.3 38.0 102.3 13.9 14.6 0.0 0.0 0.0 0.0 0.0 17.1 204.9 0 1978/79 0.0 11.6 15.5 113.7 60.6 0.0 21.7 9.1 24.1 5.5 0.0 0.0 21.8 261.8 0 1979/80 3.9 14.3 22.1 0.0 39.2 81.3 4.2 0.0 0.0 0.0 0.0 7.3 14.4 172.3 0 1980/81 0.0 21.3 22.1 19.1 1.5 15.3 9.3 0.0 0.0 0.0 49.5 0.0 11.5 138.1 0 1981/82 4.3 0.0 0.0 7.0 52.0 25.3 0.0 2.0 0.0 1.1 0.0 0.0 7.6 91.7 0 1982/83 47.2 12.9 14.5 24.0 6.4 12.8 19.9 1.5 1.2 0.0 0.0 0.0 11.7 140.4 0 1983/84 16.5 29.8 81.8 0.0 17.8 70.7 33.7 13.1 0.0 0.0 0.0 0.0 21.9 263.4 0 1984/85 32.5 30.7 3.6 17.8 21.4 46.3 18.5 0.0 0.0 0.0 0.0 0.0 14.2 170.8 0 1985/86 9.4 12.8 15.5 44.2 19.1 23.5 21.9 0.0 4.7 0.0 0.0 0.1 12.6 151.2 0 1986/87 47.3 15.6 0.0 0.0 97.0 10.0 29.4 0.0 0.0 0.0 0.0 0.0 16.6 199.3 0 1987/88 32.7 5.6 8.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.9 46.8 0 1988/89 0.0 0.0 0.0 92.9 111.5 5.6 34.9 7.6 0.0 0.0 0.0 0.0 21.0 252.5 0 1989/90 0.0 0.0 0.0 21.9 7.4 30.0 34.8 0.0 1.2 0.0 0.0 0.0 7.9 95.3 0 1990/91 0.0 3.0 54.1 64.0 30.0 68.5 0.0 0.0 0.0 0.0 0.0 5.0 18.7 224.6 0 1991/92 7.0 41.0 32.5 0.0 9.0 17.5 0.0 0.0 0.0 0.0 0.0 1.0 9.0 108.0 0 1992/93 1.0 0.0 17.1 64.0 21.5 58.0 53.0 0.0 0.0 0.0 0.5 0.0 17.9 215.1 0 1993/94 6.0 21.8 16.5 60.9 49.6 0.0 11.6 0.0 0.0 0.0 0.0 0.0 13.9 166.4 0 1994/95 4.5 4.4 1.0 13.0 [ ] 39.5 16.0 11.5 0.0 0.0 0.0 9.7 [9.1] [99.6] 28 1995/96 7.5 0.0 4.0 102.6 73.0 14.5 19.5 1.3 0.0 17.0 0.0 0.0 19.9 239.4 0 1996/97 0.0 5.0 23.0 54.0 9.5 32.1 0.0 15.0 0.0 0.0 0.0 0.0 11.6 138.6 0 1997/98 19.0 5.0 21.0 [ ] 11.0 9.0 0.0 0.0 0.0 0.0 0.0 8.0 [6.6] [73.0] 31 1998/99 0.0 3.0 12.0 32.0 9.0 2.5 25.0 18.0 0.0 0.0 0.0 0.0 8.5 101.5 0 1999/ 0 0.0 15.0 64.5 38.0 187.5 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [61.0] [305.0] 214 2000/ 1 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 942 Tot Mean 9.3 13.7 20.1 34.3 46.5 42.2 19.4 3.9 1.7 0.6 1.2 1.8 [16.8] [190.0] Mean Med. 4.6 9.4 15.5 25.1 30.0 24.4 15.6 0.0 0.0 0.0 0.0 0.0 Med. Max 47.3 67.0 118.9 124.1 221.7 200.1 130.4 22.0 27.7 17.0 49.5 12.0 [61.0] [477.7] 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 [3.9] [46.8] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 60 61 61 61 60 60 61 61 60 60 60 60 62 62 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... [ ] Data Not Recorded