Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0456027 Gellap Ost Site 0456027.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 1913/14 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 2.1 0.0 0.0 0.0 [0.5] [2.1] 243 1914/15 3.5 0.0 5.5 2.3 81.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [18.5] [92.3] 214 1915/16 [ ] [ ] 16.8 2.7 3.0 13.6 0.0 [ ] [ ] 0.0 0.0 0.0 [4.5] [36.1] 122 1916/17 4.6 10.9 7.7 72.4 89.6 28.0 40.6 [ ] 1.7 [ ] 3.5 [ ] [28.8] [259.0] 92 1917/18 [ ] 2.3 9.1 0.2 42.9 109.7 2.2 1.0 0.2 12.2 0.3 0.6 [16.4] [180.7] 31 1918/19 49.7 1.5 20.6 0.0 6.2 33.4 11.1 0.0 0.0 0.0 0.0 27.0 12.5 149.5 0 1919/20 8.6 4.0 0.0 0.0 112.0 6.4 [ ] [ ] [ ] [ ] [ ] [ ] [21.8] [131.0] 183 1920/21 [ ] 6.1 [ ] 12.7 65.6 36.2 69.3 17.7 0.0 0.0 0.0 0.0 [20.8] [207.6] 62 1921/22 9.8 35.5 13.5 0.0 2.0 0.0 2.7 10.8 0.0 0.0 0.0 0.0 6.2 74.3 0 1922/23 0.4 0.0 5.0 3.5 93.8 112.4 63.9 10.7 0.0 0.0 0.0 0.0 24.1 289.7 0 1923/24 17.9 4.0 0.0 45.8 12.2 28.0 39.6 0.0 0.0 1.0 0.0 0.0 12.4 148.5 0 1924/25 6.6 0.8 10.7 38.6 95.3 39.4 44.9 1.0 0.0 6.1 0.0 0.0 20.3 243.4 0 1925/26 0.0 0.0 37.0 24.5 0.0 11.8 33.2 12.8 1.8 0.0 0.0 0.0 10.1 121.1 0 1926/27 0.0 2.5 14.3 33.9 32.7 28.4 12.0 3.6 0.0 0.0 2.6 0.0 10.8 130.0 0 1927/28 11.8 11.4 0.0 16.8 29.3 81.9 19.8 2.7 0.0 0.0 0.0 0.0 14.5 173.7 0 1928/29 0.0 0.0 0.5 2.3 2.0 45.1 0.0 3.0 1.0 0.6 1.0 [ ] [5.0] [55.5] 30 1929/30 [ ] 0.0 4.1 0.0 16.2 23.3 0.0 0.4 0.0 0.0 0.0 0.0 [4.0] [44.0] 31 1930/31 0.0 7.7 10.4 27.4 19.8 53.1 0.6 0.0 0.0 3.6 0.0 0.0 10.2 122.6 0 1931/32 0.0 14.5 3.3 2.0 28.9 8.8 0.2 7.5 0.0 0.5 0.0 0.0 5.5 65.7 0 1932/33 6.9 1.2 9.3 8.8 19.5 10.9 8.2 0.0 0.0 0.0 1.0 0.0 5.5 65.8 0 1933/34 0.0 2.4 67.9 100.6 71.8 86.4 13.1 0.0 0.0 0.0 0.0 0.0 28.5 342.2 0 1934/35 19.0 18.2 23.8 1.7 20.2 15.5 11.0 13.6 0.0 0.0 0.0 1.5 10.4 124.5 0 1935/36 0.0 0.0 7.9 29.6 0.0 60.2 3.7 4.1 0.0 0.0 0.0 0.0 8.8 105.5 0 1936/37 7.9 0.0 14.0 102.8 25.3 14.1 8.3 0.0 0.0 0.0 0.0 0.0 14.4 172.4 0 1937/38 11.6 [ ] [ ] 82.0 6.0 0.0 68.0 22.1 3.4 7.3 0.0 0.0 [20.0] [200.4] 61 1938/39 0.3 65.0 11.1 28.3 131.5 6.2 20.2 9.2 7.0 7.1 9.6 [ ] [26.9] [295.5] 30 1939/40 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1940/41 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1941/42 [ ] [ ] [ ] [ ] 122.0 2.0 51.3 38.9 0.0 0.0 0.0 0.0 [26.8] [214.2] 123 1942/43 29.2 0.0 43.5 15.0 36.8 22.1 17.5 0.0 0.0 0.0 0.0 0.0 13.7 164.1 0 1943/44 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.0] [0.0] 335 1944/45 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 0.0 [0.0] [0.0] 335 1945/46 0.0 9.1 12.6 2.5 13.2 14.3 26.7 0.0 0.0 0.0 0.0 0.0 6.5 78.4 0 1946/47 0.0 0.0 6.1 6.1 0.0 46.4 0.0 8.6 2.8 0.0 0.0 0.0 5.8 70.0 0 1947/48 0.0 0.0 0.0 2.0 12.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.2 14.2 0 3142 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 0456027 Gellap Ost Site 0456027.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 1948/49 0.0 24.4 13.5 31.3 11.0 18.8 9.4 0.0 6.4 0.0 6.1 0.0 10.1 120.9 0 1949/50 11.7 1.5 9.4 0.0 124.0 65.7 41.7 9.1 13.5 0.0 0.0 0.0 23.1 276.6 0 1950/51 0.0 1.8 17.0 1.5 27.2 0.0 7.7 0.0 0.0 0.0 0.0 0.0 4.6 55.2 0 1951/52 0.0 38.6 0.0 0.0 177.1 27.2 7.9 1.5 0.0 0.0 0.0 0.0 21.0 252.3 0 1952/53 5.1 30.0 0.0 0.0 56.6 36.5 15.4 0.0 0.0 0.0 0.0 0.0 12.0 143.6 0 1953/54 5.0 0.0 37.5 13.0 10.5 121.0 12.5 1.0 0.0 0.0 0.0 0.0 16.7 200.5 0 1954/55 0.0 5.4 0.0 92.0 13.5 69.0 0.0 0.0 36.5 0.0 0.0 0.0 18.0 216.4 0 1955/56 9.3 37.5 4.5 51.0 124.1 175.0 0.0 3.0 0.0 0.0 0.0 0.0 33.7 404.4 0 1956/57 8.0 0.0 0.0 6.8 21.3 47.7 3.0 0.2 0.0 0.0 0.1 3.0 7.5 90.1 0 1957/58 3.5 6.3 104.2 9.0 31.0 6.2 8.5 0.0 0.0 0.0 0.0 0.0 14.1 168.7 0 1958/59 0.0 0.0 11.5 45.2 6.9 8.4 10.6 0.6 3.2 0.0 0.0 0.0 7.2 86.4 0 1959/60 0.0 5.5 4.4 7.2 52.7 23.2 7.8 0.0 3.0 0.0 0.0 3.5 8.9 107.3 0 1960/61 0.0 26.3 1.1 21.7 20.5 25.8 61.0 5.0 10.4 0.0 0.0 0.0 14.3 171.8 0 1961/62 0.0 5.1 9.5 8.5 58.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6.8 81.6 0 1962/63 0.0 12.5 0.0 106.9 7.5 53.0 88.0 6.5 0.0 0.0 0.0 6.0 23.4 280.4 0 1963/64 4.0 19.0 64.5 0.0 0.0 6.1 0.0 0.0 0.0 0.0 0.0 2.5 8.0 96.1 0 1964/65 8.5 1.0 0.0 74.0 5.0 24.5 26.5 0.0 0.0 0.0 0.0 10.0 12.5 149.5 0 1965/66 0.0 6.7 0.0 23.2 14.5 34.3 9.7 0.0 0.0 0.0 0.0 4.0 7.7 92.4 0 1966/67 25.0 0.0 9.3 20.0 35.5 84.0 11.5 26.0 0.0 0.0 0.0 0.0 17.6 211.3 0 1967/68 0.0 10.0 0.0 0.0 0.0 85.0 0.0 48.5 0.0 0.0 0.0 0.0 12.0 143.5 0 1968/69 0.0 8.0 [ ] 0.0 55.5 21.5 2.0 0.0 0.0 0.0 0.0 0.0 [7.9] [87.0] 31 1969/70 0.0 0.0 0.0 6.0 26.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.7 32.3 0 1970/71 38.5 0.0 0.0 52.2 71.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 14.3 171.7 0 1971/72 5.0 0.0 2.5 121.8 0.0 52.5 29.0 0.0 0.0 0.0 0.0 0.0 17.6 210.8 0 1972/73 0.0 6.5 0.0 0.0 65.8 6.5 12.0 0.0 0.0 2.5 0.0 0.0 7.8 93.3 0 1973/74 3.0 0.0 15.4 135.1 168.8 38.8 68.0 0.0 0.0 0.0 0.0 0.0 35.8 429.1 0 1974/75 0.0 21.0 5.5 0.0 0.0 62.3 15.0 10.2 0.0 4.4 0.0 0.0 9.9 118.4 0 1975/76 0.0 0.0 12.5 98.2 114.7 181.9 37.5 6.9 1.5 0.0 0.0 0.0 37.8 453.2 0 1976/77 76.4 0.0 0.0 7.3 79.8 45.2 15.6 0.0 0.0 0.0 0.0 5.0 19.1 229.3 0 1977/78 2.0 0.0 3.5 59.9 78.8 84.1 0.0 0.0 0.0 0.0 0.0 5.0 19.4 233.3 0 1978/79 0.0 6.0 0.0 61.1 30.9 0.0 3.0 13.2 15.0 0.0 0.0 9.3 11.5 138.5 0 1979/80 12.5 2.8 4.5 11.3 18.2 71.8 0.0 0.0 0.0 0.0 2.0 16.6 11.6 139.7 0 1980/81 0.0 14.0 6.4 1.2 33.8 34.0 1.8 0.0 1.5 0.0 1.1 0.0 7.8 93.8 0 1981/82 0.3 0.0 0.0 0.0 12.3 1.7 4.8 0.0 1.0 0.0 0.0 0.0 1.7 20.1 0 1982/83 0.0 0.0 13.5 15.0 0.0 15.9 31.6 0.0 5.1 0.0 0.0 0.0 6.8 81.1 0 3142 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 0456027 Gellap Ost Site 0456027.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 1983/84 0.0 17.2 32.1 0.0 5.8 77.3 5.5 0.0 0.0 0.0 0.0 0.0 11.5 137.9 0 1984/85 27.0 9.3 0.0 19.0 47.6 9.9 0.0 0.0 0.0 0.0 0.0 0.0 9.4 112.8 0 1985/86 2.0 11.1 43.0 8.7 49.2 60.5 20.7 12.3 0.0 0.0 0.0 0.0 17.3 207.5 0 1986/87 9.2 1.7 0.0 25.0 49.7 38.6 8.5 1.5 0.0 0.0 0.0 0.0 11.2 134.2 0 1987/88 11.0 4.9 0.0 25.7 17.6 84.8 23.0 0.0 0.2 0.0 0.0 0.0 13.9 167.2 0 1988/89 0.0 2.5 14.0 40.1 113.6 8.5 24.6 6.9 0.0 0.0 0.0 0.0 17.5 210.2 0 1989/90 0.0 0.0 2.5 27.0 7.0 51.8 38.3 0.0 2.0 0.0 0.0 0.0 10.7 128.6 0 1990/91 5.0 0.0 12.9 33.8 17.1 15.0 6.4 0.0 0.0 0.0 0.0 26.3 9.7 116.5 0 1991/92 0.0 26.9 15.1 0.0 3.8 6.3 5.2 0.0 0.0 0.0 0.0 0.0 4.8 57.3 0 1992/93 0.0 0.0 0.0 10.8 38.8 10.1 11.5 0.0 0.0 0.0 0.0 0.0 5.9 71.2 0 1993/94 39.0 26.1 5.4 49.8 62.7 10.0 0.0 0.0 4.3 0.0 0.0 0.0 16.4 197.3 0 1994/95 0.0 4.7 4.5 0.0 13.8 11.9 0.0 15.8 0.0 0.0 0.0 0.0 4.2 50.7 0 1995/96 0.0 2.4 14.6 33.8 9.5 0.0 0.0 10.0 0.0 22.5 0.0 0.0 7.7 92.8 0 1996/97 3.0 30.7 71.7 13.0 18.5 4.4 0.0 9.5 0.0 11.5 0.0 0.0 13.5 162.3 0 1997/98 14.5 0.0 10.7 18.1 29.4 36.1 0.0 0.0 0.0 1.3 3.8 22.0 11.3 135.9 0 1998/99 0.0 1.0 22.0 17.6 30.5 27.0 0.0 50.5 0.0 0.0 0.0 0.0 12.4 148.6 0 1999/ 0 0.0 0.0 35.4 76.8 31.1 75.0 15.8 0.0 0.0 0.0 0.0 0.0 19.5 234.1 0 2000/ 1 0.0 0.0 0.0 38.0 20.3 10.0 62.9 3.5 [ ] [ ] [ ] [ ] [16.8] [134.7] 122 2001/ 2 [ ] [ ] [ ] 0.0 79.6 70.2 44.5 0.0 0.0 0.0 0.0 0.0 [21.6] [194.3] 92 2002/ 3 0.0 0.0 0.0 16.1 22.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.2 38.7 0 2003/ 4 11.3 12.9 8.6 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [10.9] [32.8] 274 3142 Tot Mean 6.5 7.8 12.3 26.2 40.1 36.7 16.6 5.1 1.5 1.0 0.4 1.8 [13.0] [146.3] Mean Med. 0.0 2.5 6.4 14.0 26.3 26.4 8.5 0.0 0.0 0.0 0.0 0.0 Med. Max 76.4 65.0 104.2 135.1 177.1 181.9 88.0 50.5 36.5 22.5 9.6 27.0 [37.8] [453.2] 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 [0.0] [0.0] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 81 82 81 84 85 84 83 81 82 82 83 81 89 89 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... [ ] Data Not Recorded