Department of Water Affairs, Namibia HYMONTH V86 Output 29/07/2010 Site 0696183 Mahonda Site 0696183.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 1941/42 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 0.0 0.0 6.1 [2.0] [6.1] 273 1942/43 14.9 12.0 67.5 15.0 0.0 0.0 0.0 0.0 0.0 0.0 1.8 0.0 9.3 111.2 0 1943/44 0.0 7.4 111.7 55.6 30.5 3.3 0.0 0.0 0.0 0.0 0.0 0.0 17.4 208.5 0 1944/45 0.0 16.0 6.4 42.7 7.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6.0 72.2 0 1945/46 0.0 57.6 92.5 2.8 8.7 7.9 21.7 0.0 0.0 0.0 0.0 0.0 15.9 191.2 0 1946/47 0.0 0.5 62.9 36.4 9.6 69.3 36.0 0.0 8.1 0.0 0.0 0.0 18.6 222.8 0 1947/48 3.6 4.1 21.9 42.3 30.7 1.0 10.1 0.0 0.0 12.9 0.0 0.0 10.6 126.6 0 1948/49 0.0 47.5 23.4 0.0 42.9 131.1 24.7 0.0 0.0 0.0 0.0 0.0 22.5 269.6 0 1949/50 18.0 15.0 1.3 72.0 168.9 258.4 78.0A 0.0 0.0 0.0 0.3 0.0 51.0A 611.9A 0 1950/51 0.0 24.3 39.0 5.9 100.2 4.1 17.3 3.0 0.0 0.0 0.0 4.3 16.5 198.1 0 1951/52 7.6 35.1 15.8 3.6 112.6 14.0 43.0 0.0 6.3 0.0 0.0 0.0 19.8 238.0 0 1952/53 13.0 111.5 13.2 10.1 222.9 74.5 26.0 12.4 0.0 0.0 0.0 0.0 40.3 483.6 0 1953/54 9.9 3.5 35.5 67.0 59.2 190.4 2.5 2.0 0.0 0.0 0.0 3.2 31.1 373.2 0 1954/55 5.0 14.2 39.5 63.2 61.2 34.0 73.2 0.0 2.2 0.0 0.0 0.0 24.4 292.5 0 1955/56 4.5 13.9 9.0 46.6 70.7 99.9 9.7 2.0 0.0 0.0 0.0 0.0 21.4 256.3 0 1956/57 7.0 25.0 13.0 97.7 87.8 125.7 41.0 8.7 0.0 0.1 0.0 4.1 34.2 410.1 0 1957/58 8.3 67.1 32.3 48.0 68.8 36.2 0.0 2.0 0.0 0.0 0.0 0.0 21.9 262.7 0 1958/59 0.0 1.8 0.6 29.9 112.5 9.0 17.3 0.7 0.0 0.0 0.0 0.0 14.3 171.8 0 1959/60 0.0 18.7 17.9 4.9 112.1 44.0 0.0 5.5 1.5 0.0 0.0 0.0 17.0 204.6 0 1960/61 1.2 14.5 3.0 45.3 22.3 70.0 26.1 15.0 33.5 0.0 0.0 0.0 19.2 230.9 0 1961/62 0.0 12.6 20.1 9.8 61.8 0.0 18.2 0.0 0.0 0.0 7.3 0.0 10.8 129.8 0 1962/63 29.8 5.4 16.2 269.4 23.0 114.6 19.3 18.5 1.2 0.0 8.5 2.0 42.3 507.9 0 1963/64 19.9 59.5 11.2 12.7 65.0 48.4 5.1 0.0 0.0 0.0 0.0 0.0 18.5 221.8 0 1964/65 5.5 12.2 7.0 29.0 39.7 97.4 39.6 0.0 0.0 0.0 0.0 5.7 19.7 236.1 0 1965/66 1.0 10.9 4.0 60.7 50.6 84.2 65.1 0.0 10.0 0.0 0.0 18.5 25.4 305.0 0 1966/67 0.2 0.0 48.5 55.0 135.5 [ ] [ ] 11.7 0.0 0.0 0.0 3.1 [25.4] [254.0] 61 1967/68 0.0 134.0 35.6 17.5 17.0 84.7 0.0 22.4 1.0 0.0 0.0 0.0 26.0 312.2 0 1968/69 2.5 81.6 2.5 23.5 92.4 53.6 5.0 2.1 0.0 0.0 0.9 2.0 22.2 266.1 0 1969/70 0.0 0.3 1.2 48.3 68.6 9.6 5.2 0.0 0.0 0.0 0.0 0.1 11.1 133.3 0 1970/71 36.9 0.8 34.5 45.2 186.4 32.7 50.5 8.0 0.0 0.0 0.0 0.0 32.9 395.0 0 1971/72 0.4 4.6 0.0 77.0 17.0 170.4 66.6 0.0 0.0 0.0 0.0 0.0 28.0 336.0 0 1972/73 1.3 2.5 3.9 1.9 4.1 88.9 3.0 0.0 0.0 0.6 0.0 0.0 8.9 106.2 0 1973/74 42.2 0.6 1.0 145.8 166.5 69.9 93.5 0.0 0.0 0.0 0.0 0.0 43.3 519.5 0 1974/75 33.2 0.0 48.4 7.5 14.6 129.6 5.0 1.0 0.0 0.0 0.0 0.0 19.9 239.3 0 1975/76 0.0 11.0 12.0 174.5 175.5 142.0 0.0 5.0 0.0 0.0 0.0 0.0 43.3 520.0 0 638 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 0696183 Mahonda Site 0696183.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 1976/77 5.5 0.0 9.0 77.4 155.5 66.0 38.0 4.5 0.0 0.0 0.0 0.0 29.7 355.9 0 1977/78 0.0 0.0 29.7 128.5 110.0 65.0A 1.5A 6.5 0.0 0.0 0.0 0.0 28.4A 341.2A 0 1978/79 0.0 6.6 0.0 104.0A 178.0 1.1 8.5 0.6 42.0 0.0 0.0 2.0 28.6A 342.8A 0 1979/80 11.5A 3.3 8.0 28.5 44.8 122.0 0.0 0.0 0.0 0.0 0.0 0.1 18.2A 218.2A 0 1980/81 1.2 1.5 52.0 0.0 0.0 53.0 12.0 0.0 0.0 0.0 0.0 0.0 10.0 119.7 0 1981/82 0.0 0.0 0.0 0.0 41.2 53.1 12.5 0.0 0.0 0.0 0.0 2.5 9.1 109.3 0 1982/83 0.0 5.0 46.5 100.5 5.0 5.0 1.6 0.0 0.1 0.0 0.0 0.0 13.6 163.7 0 1983/84 3.0 19.0 41.0 0.0 67.7 53.5 8.5 34.5 0.0 0.0 0.0 0.0 18.9 227.2 0 1984/85 2.5 0.5 0.0 26.0 56.5 49.5 0.0 0.0 0.0 0.0 0.0 0.0 11.3 135.0 0 1985/86 34.2 34.0 10.5 57.5 107.0 48.0 0.0 0.0 0.0 1.0 0.0 7.0 24.9 299.2 0 1986/87 55.5 0.0 1.6 2.0 111.4 24.0 47.0 3.0 0.0 0.2 0.0 0.0 20.4 244.7 0 1987/88 10.4 16.5 23.0 65.0 49.0 30.0 63.0 14.0 0.0 0.0 0.0 0.0 22.6 270.9 0 1988/89 0.1 14.0 12.7 80.5 93.0 49.5 21.0 0.0 0.0 0.0 0.0 0.0 22.6 270.8 0 1989/90 0.0 0.0 6.0 103.0 38.0 20.0 19.0 0.0 0.0 0.0 0.0 0.0 15.5 186.0 0 1990/91 0.0 4.5 14.0 70.5 40.0 54.5 0.0 0.0 0.0 0.0 0.0 20.6 17.0 204.1 0 1991/92 0.0 34.0 59.0 10.0 26.0 42.5 41.5 0.0 0.0 0.0 0.0 16.5 19.1 229.5 0 1992/93 0.0 0.0 2.5 89.0 113.0 93.0 11.0 6.0 0.0 0.0 0.2 0.0 26.2 314.7 0 1993/94 8.5 0.0 17.0 56.0 66.0 0.0 5.0 0.0 0.0 0.0 0.0 0.0 12.7 152.5 0 1994/95 14.0 3.0 0.0 0.0 65.0 22.0 12.0 0.0 0.0 0.0 0.0 3.0 9.9 119.0 0 1995/96 0.0 2.0 0.0 101.0 10.0 8.0 1.0 0.0 0.0 3.0 0.0 12.0 11.4 137.0 0 1996/97 0.0 9.0 13.0 92.1 42.0 74.0 2.5 9.0 0.0 0.0 0.0 12.0 21.1 253.6 0 1997/98 0.0 0.0 74.0 22.0 12.0 22.0 0.0 0.0 0.0 0.0 9.0 4.0 11.9 143.0 0 1998/99 5.0 9.0 1.0 36.0 41.0 71.0 0.0 2.5 0.0 0.0 0.0 0.0 13.8 165.5 0 1999/ 0 [ ] 20.5 64.5 42.0 100.5 133.0 34.0 8.0 0.0 0.0 0.0 0.0 [36.6] [402.5] 31 2000/ 1 0.0 0.0 7.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [2.3] [7.0] 273 638 Tot Mean 7.2A 17.1 22.8 51.0A 69.3 60.7A 20.0A 3.6 1.8 0.3 0.5 2.2 [20.8] [247.3] Mean Med. 1.2A 7.4 13.0 44.0A 60.2 53.0A 11.0A 0.0 0.0 0.0 0.0 0.0 Med. Max 55.5A 134.0 111.7 269.4A 222.9 258.4A 93.5A 34.5 42.0 12.9 9.0 20.6 [51.0] [611.9] Max Min 0.0A 0.0 0.0 0.0A 0.0 0.0A 0.0A 0.0 0.0 0.0 0.0 0.0 [2.0] [6.1] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 58 59 59 58 58 57 57 58 58 59 59 59 60 60 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded