Department of Water Affairs, Namibia HYMONTH V86 Output 29/07/2010 Site 0740124A Windhoek Convent Site 0740124A.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 1939/40 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 7.4 0.0 0.0 6.4 [3.4] [13.8] 244 1940/41 13.7 14.0 62.7 66.1 39.4 48.7 1.3 0.0 0.5 0.0 0.0 0.0 20.5 246.4 0 1941/42 46.6 0.6 0.8 18.9 215.8 94.8 98.6 0.3 0.3 0.0 0.3 1.8 39.9 478.8 0 1942/43 14.0 26.9 69.9 12.1 25.5 21.3 191.0 0.0 0.0 0.0 1.8 0.0 30.2 362.5 0 1943/44 0.0 7.3 118.1 109.8 18.3 49.6 0.0 0.3 0.0 0.0 0.0 0.5 25.3 303.9 0 1944/45 2.5 12.7 21.9 32.4 12.0 11.0 7.2 2.0 0.0 0.0 0.0 0.0 8.5 101.7 0 1945/46 0.0 34.2 107.2 4.4 4.1 22.1 23.1 0.0 0.0 0.0 0.0 0.8 16.3 195.9 0 1946/47 1.0 7.5 56.5 64.5 81.1 136.2 49.6 4.8 0.3 0.0 0.0 0.0 33.5 401.5 0 1947/48 1.5 0.3 23.0 78.6 113.7 13.4 5.1 1.8 0.0 6.9 1.0 0.0 20.4 245.3 0 1948/49 1.3 62.2 37.4 54.1 42.3 133.2 67.9 0.0 0.0 0.0 0.0 0.0 33.2 398.4 0 1949/50 9.2 27.5 3.6 141.7 123.9 211.5 126.1 6.2 3.3 0.0 0.0 0.9 54.5 653.9 0 1950/51 0.3 21.0 70.8 48.7 55.3 27.1 39.5 17.8 0.0 0.0 0.0 0.3 23.4 280.8 0 1951/52 17.5 6.2 35.3 47.7 137.8 9.0 16.2 0.0 4.2 0.0 0.0 0.3 22.9 274.2 0 1952/53 27.4 51.1 11.2 44.3 150.3 88.8 38.7 31.0 0.0 0.0 0.0 3.0 37.2 445.8 0 1953/54 36.5 30.1 73.0 126.8 46.8 323.0 82.5 6.0 0.0 0.0 0.0 10.4 61.3 735.1 0 1954/55 46.0 6.5 33.6 64.5 41.0 83.8 73.6 1.0 21.0 0.0 0.0 0.0 30.9 371.0 0 1955/56 20.0 35.0 36.5 50.1 155.9 132.0 40.5 0.0 0.0 10.9 0.0 1.0 40.2 481.9 0 1956/57 4.0 4.5 43.6 121.8 99.5 88.5 12.8 0.0 0.0 0.4 0.0 3.0 31.5 378.1 0 1957/58 19.5 153.7 63.7 124.0 53.0 110.5 7.0 0.0 0.0 0.0 0.0 3.5 44.6 534.9 0 1958/59 0.0 1.3 35.5 44.5 81.8 21.5 28.2 0.0 0.0 0.0 0.0 3.5 18.0 216.3 0 1959/60 0.0 21.0 4.5 23.2 124.5 21.3 11.2 17.7 0.0 0.0 0.0 6.5 19.2 229.9 0 1960/61 8.5 3.8 18.3 8.1 56.5 84.5 26.3 8.8 17.1 0.0 0.0 0.6 19.4 232.5 0 1961/62 0.0 39.9 15.5 42.6 129.7 0.0 0.2 0.0 0.0 0.0 21.3 0.0 20.8 249.2 0 1962/63 28.8 12.5 15.2 271.6 19.5 124.2 112.8 12.0 0.0 0.0 0.0 2.9 50.0 599.5 0 1963/64 22.6 159.3 19.4 1.8 26.8 73.5 13.7 0.0 0.0 0.0 0.7 0.0 26.5 317.8 0 1964/65 3.7 18.4 23.8 92.0 71.3 85.7A 75.2 0.0 0.0 0.0 0.0 4.5 31.2A 374.6A 0 1965/66 4.0 14.9 5.1 110.5 97.0 39.7 58.9 0.0 3.1 0.0 0.0 51.3A 32.0A 384.5A 0 1966/67 5.0 7.0 83.5 69.5 113.0 26.1 35.5 24.1 0.0 0.0 0.0 1.4 30.4 365.1 0 1967/68 2.5 73.1 45.7 65.1 23.5 136.0 6.3 19.3 0.0 0.0 0.0 0.0 31.0 371.5 0 1968/69 0.9 105.5 13.4 9.4 123.4 51.8 18.4 0.0 0.0 0.0 0.4 1.7 27.1 324.9 0 1969/70 0.1 11.6 28.6 161.0 56.3 17.5 2.3 0.0 0.0 0.0 0.0 0.0 23.1 277.4 0 1970/71 54.7 4.8 64.2 86.6 143.8 93.3 10.8 13.6 0.0 0.0 0.0 0.0 39.3 471.8 0 1971/72 0.0 0.2 11.3 43.2 4.0 177.4 114.8 0.0 0.0 0.0 0.0 0.0 29.2 350.9 0 1972/73 22.3 12.5 21.0 9.8 61.9 111.1 24.7 0.0 0.0 0.0 0.0 0.0 21.9 263.3 0 1973/74 58.0 40.9 44.8 302.9 115.0 89.1 83.5 1.5 0.0 0.0 0.0 0.0 61.3 735.7 0 701 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 0740124A Windhoek Convent Site 0740124A.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 1974/75 19.2 63.4 26.5 69.0A 122.2 148.0 26.9 8.7 0.0 0.0 0.0 0.1 40.3A 484.0A 0 1975/76 3.7 15.7 11.0 174.1 134.4 146.2 5.2 8.3 0.0 0.0 0.0 0.0 41.6 498.6 0 1976/77 20.0 4.4 40.8 64.3 188.6 51.8 47.8 0.3 0.0 0.0 0.0 0.1 34.8 418.1 0 1977/78 16.0 8.0 50.9 98.4 75.0 76.6 13.1 4.5 0.0 0.0 0.9 0.0 28.6 343.4 0 1978/79 0.0 14.4 25.6 53.5 195.6 30.3 15.2 26.1 8.0 0.2 4.5 27.3 33.4 400.7 0 1979/80 9.1 43.2 33.6 49.3 141.3 73.1 9.8 0.0 0.0 0.0 3.5 19.0 31.8 381.9 0 1980/81 1.9 10.5 57.0 1.8 59.1 60.5 13.3 0.0 0.0 0.0 0.0 0.0 17.0 204.1 0 1981/82 0.0 1.0 0.0 7.0 72.8 44.6 11.9 0.0 0.4 0.0 0.0 4.7 11.9 142.4 0 1982/83 3.5 11.4 35.9 110.9 28.8 44.4 20.7 7.3 13.5 0.0 0.0 0.0 23.0 276.4 0 1983/84 6.2 8.4 117.5 19.4 58.6 34.2 90.6 13.2 0.0 0.0 0.0 0.0 29.0 348.1 0 1984/85 9.4 33.9 1.1 56.1 116.9 33.1 33.3 0.0 0.0 0.0 0.0 0.0 23.7 283.8 0 1985/86 18.4 61.6 15.6 128.6 126.3 85.0 29.4 0.0 3.4 0.0 0.0 5.2 39.5 473.5 0 1986/87 40.8 7.6 58.5 5.7 209.6 28.4 63.8 2.6 0.0 0.5 0.0 0.0 34.8 417.5 0 1987/88 28.6 14.4 4.2 296.6 90.7 18.0 11.5 10.6 0.0 0.0 0.0 0.0 39.6 474.6 0 1988/89 8.0 24.0 67.9 142.8 81.8 3.6 71.7 11.0 0.0 0.0 0.0 0.0 34.2 410.8 0 1989/90 0.3 0.1 0.4 116.6 100.3 124.6 49.2 0.0 0.0 0.0 0.0 0.0 32.6 391.5 0 1990/91 0.0 20.3 18.3 93.8 34.4 43.2 0.0 0.0 0.0 0.0 0.0 0.0 17.5 210.0 0 1991/92 7.0 41.1 113.9 38.4 96.1 63.5 11.6 0.0 0.0 0.0 0.0 0.0 31.0 371.6 0 1992/93 5.1 6.6 19.5 63.2 70.7 55.3 21.8 1.6 0.0 0.0 0.3 3.0 20.6 247.1 0 1993/94 53.0 0.0 10.5 97.2 111.7 1.5 13.5 0.0 0.4 0.0 0.0 0.1 24.0 287.9 0 1994/95 0.0 22.8 10.4 3.8 42.4 91.6 13.1 10.7 0.0 0.0 0.0 2.2 16.4 197.0 0 1995/96 0.0 8.9 1.5 84.2 50.6 12.3 7.3 0.0 0.0 7.5 0.0 0.0 14.4 172.3 0 1996/97 0.0 10.8 36.0 89.4 74.0 70.0 0.0 0.0 0.0 0.0 0.0 0.0 23.4 280.2 0 1997/98 18.6 0.8 78.4 92.0 10.2 19.9 2.0 0.0 0.0 0.0 0.0 10.2 19.3 232.1 0 1998/99 2.6 31.9 28.7 42.6 25.3 65.4 0.0 30.0 3.0 0.0 0.0 0.0 19.1 229.5 0 1999/ 0 0.0 57.9 86.3 41.2 184.5 127.4 18.2 [ ] [ ] [ ] [ ] [ ] [73.6] [515.5] 153 2000/ 1 [ ] 18.5 9.4 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [14.0] [27.9] 304 701 Tot Mean 12.4 25.7 37.3 76.5A 86.1 71.8A 35.1 5.1 1.4 0.4 0.6 2.9A [29.5] [345.0] Mean Med. 5.0 14.4 28.7 64.4A 78.1 62.0A 19.6 0.3 0.0 0.0 0.0 0.0A Med. Max 58.0 159.3 118.1 302.9A 215.8 323.0A 191.0 31.0 21.0 10.9 21.3 51.3A [73.6] [735.7] Max Min 0.0 0.0 0.0 1.8A 4.0 0.0A 0.0 0.0 0.0 0.0 0.0 0.0A [3.4] [13.8] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 60 61 61 60 60 60 60 59 60 60 60 60 62 62 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded