Department of Water Affairs, Namibia HYMONTH V86 Output 29/07/2010 Site 0654646 Mbela Site 0654646.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 1940/41 [ ] [ ] 37.7 58.3 5.1 8.9 [ ] [ ] [ ] [ ] [ ] [ ] [27.5] [110.0] 244 1941/42 [ ] [ ] [ ] 17.5 209.3 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [113.4] [226.8] 306 1942/43 [ ] [ ] 10.1 24.4 27.2 13.2 43.1 0.0 0.0 0.0 0.0 0.0 [11.8] [118.0] 61 1943/44 22.4 3.3 71.5 96.1 0.8 24.7 0.0 1.8 0.0 0.0 0.0 0.0 18.4 220.6 0 1944/45 5.6 0.0 0.0 15.9 5.9 36.0 3.5 0.0 0.0 0.0 0.0 0.0 5.6 66.9 0 1945/46 0.0 3.8 85.1 3.3 19.8 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [22.4] [112.0] 214 1946/47 [ ] [ ] 51.3 47.7 27.9 58.5 45.8 0.0 22.9 0.0 0.0 0.0 [25.4] [254.1] 61 1947/48 6.1 42.4 54.6 39.6 53.8 38.8 11.6 0.0 0.0 5.8 0.0 0.0 21.1 252.7 0 1948/49 5.1 60.0 0.0 16.5 5.6 97.3 8.7 0.0 1.3 0.0 0.0 0.0 16.2 194.5 0 1949/50 7.6 9.4 5.6 84.1 64.7 199.0 74.9 13.5 2.5 0.0 0.0 1.8 38.6 463.1 0 1950/51 0.0 19.1 26.7 6.9 36.3 21.3 18.9 5.9 0.0 0.0 0.0 4.1 11.6 139.2 0 1951/52 42.7 23.6 10.4 17.6 136.3 0.0 13.7 0.0 1.8 0.0 0.0 0.0 20.5 246.1 0 1952/53 0.0 23.4 0.0 2.5 107.9 44.3 53.5 15.0 0.0 0.0 0.0 0.0 20.6 246.6 0 1953/54 22.5 5.0 14.0 17.5 20.5 165.6 14.5 3.0 0.0 0.0 0.0 0.0 21.9 262.6 0 1954/55 20.0 21.0 28.5 36.8 44.0 40.0 41.8 2.5 15.0 0.0 0.0 0.0 20.8 249.6 0 1955/56 11.6 21.0 4.3 30.6 73.3 107.5 19.0 0.8 0.0 19.0 0.0 4.0 24.3 291.1 0 1956/57 4.5 27.1 16.0 43.5 54.0 112.5 1.5 1.0 0.0 0.0 0.0 4.0 22.0 264.1 0 1957/58 9.0 44.5 17.1 103.0 21.0 18.3 0.5 0.0 0.0 0.0 0.0 0.0 17.8 213.4 0 1958/59 0.0 6.0 12.5 27.0 22.5 21.0 0.0 0.0 0.0 0.0 0.0 0.0 7.4 89.0 0 1959/60 0.0 0.0 15.1 5.2 184.5 38.5 13.5 0.0 0.0 0.0 0.0 0.5 21.4 257.3 0 1960/61 0.0 0.1 7.5 32.5 15.5 76.5 61.5 19.5 20.0 0.0 0.0 0.0 19.4 233.1 0 1961/62 0.0 7.5 30.0 3.5 112.5 0.0 3.0 0.0 0.0 0.0 20.0 0.0 14.7 176.5 0 1962/63 31.5 13.0 0.0 194.5 0.0 40.5 45.5 16.0 0.0 0.0 0.0 0.0 28.4 341.0 0 1963/64 9.0 54.5 0.0 0.0 5.0 37.5 9.0 0.0 0.0 0.0 0.0 0.0 9.6 115.0 0 1964/65 12.0 0.5 16.0 40.5 7.2 48.5 73.4 0.0 0.0 0.0 0.0 0.0 16.5 198.1 0 1965/66 19.0 24.0 0.0 170.8 71.5 28.0 0.0 0.0 0.0 0.0 0.0 13.5 27.2 326.8 0 1966/67 7.0 0.0 75.5 32.5 65.0 62.5 0.0 0.0 0.0 0.0 0.0 0.0 20.2 242.5 0 1967/68 0.0 52.0 28.5 0.0 0.5 58.0 0.0 12.0 0.0 0.0 0.0 0.0 12.6 151.0 0 1968/69 4.0 17.0 13.5 0.0 83.0 12.5 7.5 0.0 0.0 0.0 0.0 0.0 11.5 137.5 0 1969/70 0.0 9.0 6.0 6.2 121.5 5.0 0.5 0.0 0.0 0.0 0.0 0.0 12.3 148.2 0 1970/71 28.0 [ ] [ ] 48.5 60.5 19.5 81.5 0.0 0.0 0.0 0.0 0.0 [23.8] [238.0] 61 1971/72 2.0 7.5 4.0 78.5 6.5 133.5 38.0 0.0 0.0 0.0 0.0 0.0 22.5 270.0 0 1972/73 3.5 16.5 0.0 6.0 32.2 48.5 0.5 0.0 0.0 0.0 0.0 0.0 8.9 107.2 0 1973/74 45.5 2.7 55.0 166.0 163.0 35.5 63.5 0.1 0.0 0.0 0.0 0.0 44.3 531.3 0 1974/75 12.8 9.5 6.5 7.5 36.0 155.7 1.0 3.0 0.0 0.0 0.0 0.0 19.3 232.0 0 2164 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 29/07/2010 Site 0654646 Mbela Site 0654646.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 1975/76 1.2 9.8 18.2 115.5 57.5 106.5 17.0 0.0 0.0 0.0 2.0 0.0 27.3 327.7 0 1976/77 0.0 0.0 0.0 32.5 137.5 62.0 101.8 0.5 0.0 0.0 0.0 0.0 27.9 334.3 0 1977/78 0.0 0.0 15.0 75.0 101.0 23.0 19.5 0.0 0.0 0.0 0.0 0.0 19.5 233.5 0 1978/79 1.7 2.5 2.0 81.0 128.5 0.0 11.0 14.0 0.0 3.0 0.0 0.0 20.3 243.7 0 1979/80 11.0 14.5 1.5 5.6 11.5 106.0 23.1 0.0 0.0 0.0 0.0 2.5 14.6 175.7 0 1980/81 0.0 23.5 19.5 2.5 0.0 29.5 0.0 0.0 0.0 0.0 0.0 0.0 6.3 75.0 0 1981/82 0.0 0.0 0.5 2.5 130.0 20.0 14.5 0.0 0.0 0.0 0.0 5.2 14.4 172.7 0 1982/83 2.5 0.0 36.7 30.7 0.0 28.5 24.0 0.0 0.5 0.0 0.0 0.0 10.2 122.9 0 1983/84 5.0 14.1 39.4 0.0 41.7 46.5 19.7 9.3 0.0 0.0 0.0 0.0 14.6 175.7 0 1984/85 0.7 0.0 0.0 39.9 22.3 53.0 33.0 0.0 0.0 0.0 0.0 0.0 12.4 148.9 0 1985/86 3.8 9.1 20.0 71.0 18.0 53.3 0.0 0.0 0.0 0.0 0.0 0.5 14.6 175.7 0 1986/87 36.6 0.0 6.5 28.5 105.9 1.0 47.5 0.0 0.0 0.0 0.0 0.0 18.8 226.0 0 1987/88 13.0 11.0 7.5 117.0 112.5 35.0 55.5 12.0 0.0 0.0 0.0 0.0 30.3 363.5 0 1988/89 4.5 6.5 26.5 58.2 79.1 6.2 39.5 6.0 0.0 0.0 0.0 0.0 18.9 226.5 0 1989/90 1.0 0.0 2.5 45.2 17.0 22.7 26.5 0.0 0.0 0.0 0.0 0.0 9.6 114.9 0 1990/91 6.0 4.5 49.0 106.0 40.5 4.3 0.0 0.0 0.0 0.0 0.0 3.0 17.8 213.3 0 1991/92 0.0 7.4 28.8 9.0 22.7 31.2 5.5 0.0 0.0 0.0 0.0 0.0 8.7 104.6 0 1992/93 0.0 5.5 6.1 56.5 75.0 68.8 38.0 0.0 0.0 1.0 0.0 0.0 20.9 250.9 0 1993/94 0.5 31.1 0.7 15.0 90.2 0.0 0.0 0.0 1.0 0.0 0.0 0.0 11.5 138.5 0 1994/95 0.0 3.5 9.0 0.0 0.0 8.5 0.0 0.0 0.0 0.0 0.0 7.0 2.3 28.0 0 1995/96 0.0 0.0 11.0 79.8 19.3 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [22.0] [110.1] 214 1996/97 [ ] 5.0 29.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [17.0] [34.0] 304 1997/98 [ ] [ ] [ ] 27.5 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [27.5] [27.5] 334 1998/99 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2164 Tot Mean 8.1 12.9 18.8 43.5 55.5 47.4 23.6 2.6 1.3 0.6 0.4 0.9 [20.1] [202.6] Mean Med. 3.9 7.5 12.5 30.7 38.4 36.0 14.5 0.0 0.0 0.0 0.0 0.0 Med. Max 45.5 60.0 85.1 194.5 209.3 199.0 101.8 19.5 22.9 19.0 20.0 13.5 [113.4] [531.3] 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 [2.3] [27.5] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 52 52 55 57 56 53 52 52 52 52 52 52 58 58 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... [ ] Data Not Recorded