Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0347527 Blanksdam Site 0347527.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 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 0.0 2.0 0.0 [0.7] [2.0] 273 1921/22 4.0 19.1 6.8 0.0 10.8 0.0 14.0 0.0 3.0 0.0 8.6 0.0 5.5 66.3 0 1922/23 1.0 0.0 0.0 14.3 32.6 78.7 9.6 35.1 0.0 2.2 0.8 0.0 14.5 174.3 0 1923/24 21.6 5.7 0.0 13.5 8.0 2.3 0.0 10.9 1.2 0.8 2.2 0.0 5.5 66.2 0 1924/25 0.0 1.4 5.6 1.7 67.5 117.7 4.9 2.6 1.9 11.5 0.0 0.0 17.9 214.8 0 1925/26 0.0 3.6 42.8 1.1 0.0 0.0 2.5 15.1 3.1 3.1 0.0 1.2 6.0 72.5 0 1926/27 0.0 2.7 0.0 22.1 2.1 10.3 24.3 0.6 0.0 0.0 5.3 0.0 5.6 67.4 0 1927/28 0.0 8.1 3.1 8.0 0.0 69.8 4.1 [ ] [ ] [ ] 1.1 0.0 [10.5] [94.2] 92 1928/29 0.0 0.9 1.5 2.9 4.0 46.4 0.0 6.1 10.6 0.0 0.3 4.3 6.4 77.0 0 1929/30 3.4 0.0 3.7 3.7 23.6 25.9 0.0 0.0 0.8 0.0 3.8 0.0 5.4 64.9 0 1930/31 0.0 6.0 0.0 13.6 46.6 33.0 0.7 1.1 0.0 [ ] [ ] [ ] [11.2] [101.0] 92 1931/32 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1932/33 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1933/34 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1934/35 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1935/36 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1936/37 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1937/38 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1938/39 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1939/40 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1940/41 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1941/42 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1942/43 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1943/44 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1944/45 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1945/46 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1946/47 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1947/48 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1948/49 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1949/50 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1950/51 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1951/52 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1952/53 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1953/54 [ ] 8.7 102.8 0.0 0.0 68.0 7.6 14.4 0.0 4.8 0.0 3.0 [19.0] [209.3] 31 1954/55 0.0 10.0 0.0 44.9 0.7 0.2 0.0 2.1 9.8 18.4 2.2 0.0 7.4 88.3 0 9165 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 28/07/2010 Site 0347527 Blanksdam Site 0347527.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 2.1 34.4 0.0 57.0 50.1 80.4 0.2 7.1 0.0 0.2 0.0 0.0 19.3 231.5 0 1956/57 21.3 0.0 0.0 59.0 14.3 14.5 0.0 5.2 0.0 0.0 0.0 0.7 9.6 115.0 0 1957/58 3.1 14.5 27.0 28.0 9.0 0.0 37.5 2.1 1.0 0.0 0.5 0.0 10.2 122.7 0 1958/59 0.1 0.0 2.2 8.0 42.0 2.5 0.0 9.0 7.0 0.0 0.4 1.0 6.0 72.2 0 1959/60 1.0 0.5 0.2 0.0 20.0 30.0 5.0 0.0 1.5 0.0 1.5 0.0 5.0 59.7 0 1960/61 1.0 2.6 2.0 0.0 5.0 53.0 56.0 0.0 1.0 6.0 0.0 0.0 10.6 126.6 0 1961/62 0.0 7.5 0.0 2.0 110.0 23.0 0.0 0.0 0.1 0.1 1.5 1.0 12.1 145.2 0 1962/63 1.5 1.2 0.0 33.5 71.0 [ ] [ ] [ ] [ ] [ ] 0.0 9.4 [16.7] [116.6] 153 1963/64 9.0 9.0 13.5 0.0 0.0 8.5 0.0 3.0 3.9 2.5 0.3 13.5 5.3 63.2 0 1964/65 0.1 0.0 0.2 8.5 0.0 10.5 22.4 0.0 0.0 11.5 0.5 1.7 4.6 55.4 0 1965/66 5.3 3.0 1.0 20.5 20.0 0.0 12.5 0.0 0.0 0.0 0.0 6.4 5.7 68.7 0 1966/67 22.0 0.0 0.0 0.0 19.5 34.2 0.0 18.4 3.6 1.0 0.0 0.0 8.2 98.7 0 1967/68 0.0 9.0 10.0 0.0 0.0 34.5 0.0 44.9 0.0 0.0 0.5 3.0 8.5 101.9 0 1968/69 2.0 0.0 5.3 0.0 21.5 8.0 10.7 0.0 0.0 6.0 0.0 0.0 4.5 53.5 0 1969/70 0.0 0.0 0.0 1.5 12.0 0.0 12.0 0.5 1.0 0.0 7.5 0.0 2.9 34.5 0 1970/71 27.0 0.0 0.5 16.7 13.4A 11.9 1.5 8.7 0.0 9.0 1.5 0.0 7.5A 90.2A 0 1971/72 1.7 0.0 16.0 39.4 0.0 18.5 10.6 0.0 0.0 0.0 0.0 0.0 7.2 86.2 0 1972/73 2.0 6.8 0.0 0.0 36.3 22.9 13.0 0.0 4.6 2.0 0.0 0.0 7.3 87.6 0 1973/74 3.5 0.0 9.0 49.8 91.5 23.9 3.2 0.0 1.3 0.0 6.7 0.0 15.7 188.9 0 1974/75 0.4 4.0 2.0 4.0 0.4 101.3 0.8 5.3 0.0 3.0 0.0 0.0 10.1 121.2 0 1975/76 0.0 0.0 2.0 65.3 65.0 58.9 12.4 3.8 0.0 2.2 0.0 0.0 17.5 209.6 0 1976/77 13.2 1.0 0.0 3.0 69.9 35.0 47.3 0.9 5.0 0.0 0.0 2.2 14.8 177.5 0 1977/78 0.0 0.0 0.0 14.0 60.5 39.5 19.7 0.0 0.0 0.0 0.0 10.5 12.0 144.2 0 1978/79 0.0 7.0 0.0 21.0 32.0 0.0 0.0 0.0 7.0 27.5 5.0 0.0 8.3 99.5 0 1979/80 4.0 0.0 6.5 0.0 13.9 35.7 0.0 0.0 0.0 0.0 0.0 30.0 7.5 90.1 0 1980/81 0.0 0.0 2.5 0.0 8.5 10.5 0.0 1.0 0.0 0.0 6.0 0.0 2.4 28.5 0 1981/82 6.5 0.0 0.0 0.0 0.0 2.5 17.5 0.0 6.5 17.5 0.0 5.5 4.7 56.0 0 1982/83 2.0 1.7 0.0 2.0 0.0 115.0 17.5 8.0 2.5 2.4 0.0 4.5 13.0 155.6 0 1983/84 0.0 31.0 9.0 0.0 0.7 65.0 7.0 2.0 1.2 0.0 0.0 0.0 9.7 115.9 0 1984/85 10.0 10.3 0.0 7.5 40.7 25.0 4.0 0.0 0.0 0.0 1.0 22.5 10.1 121.0 0 1985/86 22.0 62.4 74.0 41.0 4.8 23.5 41.5 0.0 0.0 0.0 0.0 0.0 22.4 269.2 0 1986/87 25.0 0.0 0.0 0.0 2.3 7.0 107.5 2.0 0.0 5.5 0.0 18.0 13.9 167.3 0 1987/88 0.7 0.4 0.0 22.8 23.4 25.9 27.2 7.5 1.4 0.0 4.5 0.0 9.5 113.8 0 1988/89 0.0 0.0 129.0 13.5 7.0 15.5 49.8 0.8 0.0 5.0 0.0 2.0 18.6 222.6 0 1989/90 0.0 0.0 0.0 4.0 4.0 11.0 16.4 1.0 3.2 0.0 0.0 0.0 3.3 39.6 0 9165 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 28/07/2010 Site 0347527 Blanksdam Site 0347527.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 0.0 0.0 9.6 16.0 3.5 23.0 6.0 0.0 12.0 0.0 4.0 19.0 7.8 93.1 0 1991/92 0.0 6.0 5.0 2.0 0.0 0.0 0.0 0.0 2.2 4.0 0.3 0.0 1.6 19.5 0 1992/93 1.4 0.5 0.0 29.5 37.0 24.5 64.8 [ ] 1.8 0.8 5.1 0.0 [15.0] [165.4] 31 1993/94 0.5 13.5 0.2 62.0 5.0 24.3 14.0 0.4 17.0 2.5 0.0 0.0 11.6 139.4 0 1994/95 0.0 0.0 0.0 4.6 18.6 7.5 0.0 3.9 0.0 0.0 3.5 6.9 3.8 45.0 0 1995/96 0.0 2.8 7.8 13.8 1.5 3.5 0.0 2.5 0.0 2.2 1.4 1.2 3.1 36.7 0 1996/97 9.1 43.5 7.0 23.5 8.0 27.5 1.0 17.5 4.0 8.0 0.0 0.0 12.4 149.1 0 1997/98 3.5 2.0 2.0 [ ] 2.5 9.0 0.0 1.0 0.0 0.0 1.5 30.0 [4.7] [51.5] 31 1998/99 9.0 [ ] [ ] 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 [0.9] [9.0] 61 1999/ 0 0.0 0.0 0.0 59.5 70.0 10.5 6.5 0.0 0.0 0.0 0.0 12.0 13.2 158.5 0 2000/ 1 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 9165 Tot Mean 4.3 6.1 9.1 15.3 21.2A 27.3 12.7 4.5 2.2 2.9 1.4 3.7 [9.2] [107.2] Mean Med. 1.0 1.3 0.8 7.8 9.0A 22.9 5.0 1.0 0.8 0.0 0.3 0.0 Med. Max 27.0 62.4 129.0 65.3 110.0A 117.7 107.5 44.9 17.0 27.5 8.6 30.0 [22.4] [269.2] Max Min 0.0 0.0 0.0 0.0 0.0A 0.0 0.0 0.0 0.0 0.0 0.0 0.0 [0.7] [2.0] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 56 56 56 56 57 56 56 54 55 55 57 57 58 58 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded