Department of Water Affairs, Namibia HYMONTH V86 Output 29/07/2010 Site 0740185 Klein Windhoek Mission Site 0740185.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 1920/21 [ ] [ ] [ ] 14.0 69.6 79.6 23.2 120.8 0.0 0.0 0.0 0.0 [34.1] [307.2] 92 1921/22 6.7 19.7 9.9 67.9 52.5 32.8 0.0 0.0 0.0 0.0 0.0 0.0 15.8 189.5 0 1922/23 0.0 0.0 4.4 21.1 318.4 221.9 0.0 0.0 0.0 0.0 0.0 0.0 47.2 565.8 0 1923/24 27.6 1.6 31.2 99.9 32.5 118.5 8.5 0.0 0.0 0.0 0.0 0.0 26.6 319.8 0 1924/25 28.3 2.1 15.0 84.1 64.0 185.2 102.9 12.6 0.0 13.3 0.0 0.0 42.3 507.5 0 1925/26 1.5 28.1 30.9 14.4 26.0 73.7 48.6 13.5 13.5 0.0 0.0 7.4 21.5 257.6 0 1926/27 6.0 16.0 97.1 44.4 12.0 56.5 79.5 0.0 0.0 0.0 0.0 0.0 26.0 311.5 0 1927/28 2.7 15.8 42.8 81.7 58.9 34.9 85.6 8.3 [ ] [ ] [ ] [ ] [41.3] [330.7] 122 1928/29 [ ] [ ] [ ] 38.0 62.8 119.3 0.0 0.0 0.0 0.0 0.0 12.0 [25.8] [232.1] 92 1929/30 28.0 6.0 0.0 15.0 33.0 10.0 14.6 0.0 0.0 0.0 0.0 0.0 8.9 106.6 0 1930/31 4.5 18.6 32.1 85.1 82.8 108.8 0.0 0.0 0.0 0.0 0.0 0.0 27.7 331.9 0 1931/32 0.0 13.2 45.6 21.9 19.8 76.4 6.0 14.4 0.0 0.0 0.0 0.0 16.4 197.3 0 1932/33 35.6 7.6 61.0 9.4 24.7 32.2 3.5 0.0 0.0 2.1 0.0 0.0 14.7 176.1 0 1933/34 0.0 4.7 128.8 259.3 158.3 142.5 65.2 5.1 0.0 0.0 0.0 0.0 63.7 763.9 0 1934/35 11.0 74.3 36.2 91.7 44.5 35.7 30.3 0.0 0.0 0.0 0.0 1.7 27.1 325.4 0 1935/36 0.0 2.4 13.6 108.9 21.1 39.4 16.1 50.9 0.0 0.0 0.0 0.0 21.0 252.4 0 1936/37 0.0 16.0 62.2 219.6 102.6 58.9 19.2 0.0 0.0 0.0 0.0 0.0 39.9 478.5 0 1937/38 1.6 86.0 50.4 197.4 74.4 5.9 75.8 38.7 7.9 0.0 0.0 0.0 44.8 538.1 0 1938/39 0.0 152.1 28.4 50.2 28.4 153.2 13.3 0.0 0.7 0.0 0.0 0.0 35.5 426.3 0 1939/40 38.8 13.9 64.0 61.2 54.2 64.0 20.6 0.0 7.9 0.0 0.0 6.1 27.6 330.7 0 1940/41 14.8 12.7 53.6 90.7 24.2 39.3 0.8 [ ] 0.3 [ ] 0.0 0.0 [23.6] [236.4] 62 1941/42 41.6 0.3 0.0 21.3 238.2 113.5 112.8 0.0 0.0 0.0 0.0 0.0 44.0 527.7 0 1942/43 9.0 10.7 83.1 13.4 25.1 24.1 122.1 [ ] [ ] [ ] 2.3 0.0 [32.2] [289.8] 92 1943/44 0.0 7.6 112.3 136.9 20.6 42.7 0.0 0.0 0.0 0.0 0.0 0.8 26.7 320.9 0 1944/45 5.8 38.9 5.7 34.0 30.4 42.9 8.6 3.1 0.0 0.0 0.0 0.0 14.1 169.4 0 1945/46 0.0 38.0 126.4 3.8 9.6 24.6 16.8 0.0 0.0 0.0 0.0 0.0 18.3 219.2 0 1946/47 4.6 5.4 0.0 51.5 76.3 126.1 47.0 1.0 4.0 0.0 0.0 0.5 26.4 316.4 0 1947/48 0.5 0.0 18.8 106.4 137.4 18.3 3.5 0.0 0.0 9.7 0.8 0.0 24.6 295.4 0 1948/49 0.0 35.0 47.6 89.8 47.4 184.8 92.4 0.0 0.0 0.0 0.0 0.0 41.4 497.0 0 1949/50 9.2 28.9 6.9 144.7 87.8 227.8 148.0 8.9 2.8 0.0 0.0 0.0 55.4 665.0 0 1950/51 0.0 24.1 104.1 48.3 97.4 21.6 [ ] 15.7 0.0 0.0 0.0 0.0 [28.3] [311.2] 30 1951/52 17.0 37.8 42.6 38.4 112.3 0.5 10.7 0.0 3.1 0.0 0.0 0.0 21.9 262.4 0 1952/53 49.3 80.0 10.4 33.0 194.5 49.5 65.4 20.0 0.0 0.0 0.0 0.9 41.9 503.0 0 1953/54 38.6 27.2 57.0 132.3 62.9 308.2 73.3 0.0 0.0 0.0 0.0 14.8 59.5 714.3 0 1954/55 37.0 20.8 50.3 74.7 15.0 84.0 91.0 6.5 23.0 0.0 0.0 0.0 33.5 402.3 0 1340 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 0740185 Klein Windhoek Mission Site 0740185.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 1955/56 29.0 88.5 55.5 67.3 149.9 159.5 44.9 0.0 0.0 13.0 0.0 2.6 50.9 610.2 0 1956/57 4.7 41.4 28.6 161.7 112.2 126.5 8.7 1.1 0.0 3.7 0.0 0.0 40.7 488.6 0 1957/58 22.0 149.6A [ ] 124.8 [ ] [ ] [ ] 0.0 0.0 0.0 0.0 2.9 [37.4] [299.3] 120 1958/59 0.0 2.6 39.3 71.2 49.8 25.3 52.0 0.0 0.0 0.0 0.0 1.5 20.1 241.7 0 1959/60 0.0 26.0 3.3 13.3 167.9 17.9 18.0 12.7 0.0 0.0 0.0 4.6 22.0 263.7 0 1960/61 14.1 12.6 12.0A 14.2 46.2 78.2 22.9 3.8 27.7 0.1 0.0 1.2 19.4A 233.0A 0 1961/62 0.1 35.5 21.5 47.5 129.4 1.5 1.6 0.0 0.0 0.0 22.3 0.0 21.6 259.4 0 1962/63 31.4 21.7 18.6 290.5 19.0 133.4 83.2 14.7 0.0 0.0 0.4 5.2 51.5 618.1 0 1963/64 22.4 157.6 12.2 45.5 60.6 71.6 19.5 0.0 0.0 0.0 1.1 0.0 32.5 390.5 0 1964/65 3.9 22.2 29.9 72.3 86.0 76.5 81.1 0.0 0.1 0.0 0.0 4.6 31.4 376.6 0 1965/66 8.6 25.8 6.5 113.4A 121.6 62.9 78.1A 0.0 3.0 0.0 0.0 57.0 39.7A 476.9A 0 1966/67 34.3 2.3 83.3 70.6 123.5 44.5 4.5 47.0 0.0 0.0 0.0 0.0 34.2 410.0 0 1967/68 0.0 60.2 38.7 64.5 30.0 197.0 0.0 18.5 0.0 0.0 0.0 0.0 34.1 408.9 0 1968/69 1.0 83.5 37.6 26.4 117.8 65.3 16.3A 0.2 0.1 0.0 0.0 0.0 29.0A 348.2A 0 1969/70 0.0 25.7 12.2 33.0A 35.0 17.5 4.0 0.0 0.0 0.0 0.0 0.0 10.6A 127.4A 0 1970/71 60.5 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [60.5] [60.5] 334 1971/72 [ ] [ ] [ ] 43.1 13.2 206.5 74.9 0.0 0.0 0.0 0.0 0.0 [37.5] [337.7] 92 1972/73 22.5 8.1 40.7 8.6 37.8 105.0 28.9 0.0 0.2 10.3 0.0 0.0 21.8 262.1 0 1973/74 61.6 18.8 42.6 180.5 123.5 70.0 88.7 0.3 2.1 0.0 0.0 0.0 49.0 588.1 0 1974/75 13.7 43.6 11.1 88.2 103.6 140.0 18.4 15.7 0.0 0.0 0.0 0.5 36.2 434.8 0 1975/76 3.2 27.8 32.1 155.2 114.3 135.7 4.9 7.4 0.0 0.0 0.0 0.0 40.1 480.6 0 1976/77 21.5 10.2 4.3 88.0 157.0 54.0 40.2 0.7 0.0 0.0 0.0 0.2 31.3 376.1 0 1977/78 16.0 2.1 57.0 124.5 65.2 55.5 12.4 4.2 0.0 0.0 1.2 0.1 28.2 338.2 0 1978/79 0.0 12.6 18.2 66.1 177.5 28.3 11.2 14.2 8.4 1.4 1.1 15.9 29.6 354.9 0 1979/80 6.3 47.3 20.2 31.1 99.6 94.6 3.8 0.0 0.2 0.0 2.3 14.7 26.7 320.1 0 1980/81 1.4 5.1 42.9 3.3 47.8 55.6 31.9 0.2 0.0 0.0 0.2 0.0 15.7 188.4 0 1981/82 0.6 1.0 0.4 4.9 77.3 41.3 8.5 0.1 0.1 0.1 0.0 2.9 11.4 137.2 0 1982/83 2.4 4.9 47.9 104.3 17.6 35.1 15.9 6.2 11.6 0.0 0.0 0.2 20.5 246.1 0 1983/84 6.9 16.4 94.5 24.7 79.0 27.9 93.7 11.5 0.0 0.1 0.0 0.0 29.6 354.7 0 1984/85 5.5 20.9 14.6 59.1 80.1 43.0 23.8 0.0 0.0 0.0 0.0 0.1 20.6 247.1 0 1985/86 14.4 51.9 8.4 82.2 95.5 81.8 16.8 0.1 0.3 0.1 0.0 9.6 30.1 361.1 0 1986/87 36.3 5.2 37.6 8.1 216.7 12.2 49.0 2.7 0.0 0.4 0.0 0.1 30.7 368.3 0 1987/88 23.7 19.2 8.2 143.7 108.5 29.1 12.7 9.4 0.0 0.0 0.1 0.0 29.5 354.6 0 1988/89 1.9 27.0 78.0A 71.5 59.4 11.1 65.5 6.5 0.0 0.0 0.0 0.0 26.7A 320.9A 0 1989/90 0.2 0.5 1.8 107.6 57.8 91.5 48.6 0.0 0.1 0.1 0.1 0.1 25.7 308.4 0 1340 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 0740185 Klein Windhoek Mission Site 0740185.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 1990/91 6.0 16.3 17.2 75.6 44.5 55.0 0.3 0.1 0.0 0.0 0.0 5.5 18.4 220.5 0 1991/92 6.9 38.4 100.9 54.7 75.2 59.2 4.7 0.0 0.0 0.0 0.0 7.3 28.9 347.3 0 1992/93 0.0 1.4 12.5 51.6 89.5 81.2 25.2 1.5 0.0 0.0 0.7 1.2 22.1 264.8 0 1993/94 80.5 15.6 11.4 111.2 93.7 3.9 15.1 0.2 0.4 0.0 0.0 0.1 27.7 332.1 0 1994/95 0.6 16.7 8.0 5.3 32.2 108.4 8.4 17.7 0.0 0.0 0.1 1.8 16.6 199.2 0 1995/96 0.2 10.4 3.8 105.0 39.8 [ ] 6.2 0.3 0.0 7.1 0.0 0.0 [15.7] [172.8] 31 1996/97 0.6 7.4 27.9 88.0 68.2 70.6 7.1 1.9 0.0 0.0 0.0 6.2 23.2 277.9 0 1997/98 15.8 0.4 59.7 84.4 12.4 15.6 4.3 0.0 0.0 0.4 2.7 2.2 16.5 197.9 0 1998/99 15.9 3.0 33.4 42.4 54.6 77.8 0.8 21.9 6.0 0.0 0.0 0.0 21.3 255.8 0 1999/ 0 2.5 43.8 93.2 50.7 197.7 155.5 20.4 21.8 0.0 0.0 0.1 0.1 48.8 585.8 0 2000/ 1 2.8 8.2 10.6 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [7.2] [21.6] 273 1340 Tot Mean 13.1 27.1A 37.0A 74.5A 79.6 77.7 33.5A 7.3 1.6 0.8 0.5 2.5 [29.9] [340.1] Mean Med. 5.9 16.4A 31.1A 67.3A 64.6 62.9 18.0A 0.2 0.0 0.0 0.0 0.0 Med. Max 80.5 157.6A 128.8A 290.5A 318.4 308.2 148.0A 120.8 27.7 13.3 22.3 57.0 [63.7] [763.9] Max Min 0.0 0.0A 0.0A 3.3A 9.6 0.5 0.0A 0.0 0.0 0.0 0.0 0.0 [7.2] [21.6] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 78 77 76 79 78 77 77 77 77 76 78 78 81 81 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded