Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0422538 Louwsvlei Site 0422538.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 1926/27 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 0.0 [0.0] [0.0] 335 1927/28 0.0 6.5 9.1 86.3 10.3 84.6 13.6 9.9 0.0 0.0 0.0 8.8 19.1 229.1 0 1928/29 0.0 16.3 2.4 23.1 11.2 52.0 1.5 8.5 1.5 0.0 0.4 7.8 10.4 124.7 0 1929/30 1.5 0.0 34.8 46.0 24.4 11.4 0.8 0.0 0.1 0.0 5.0 0.0 10.3 124.0 0 1930/31 0.0 17.7 4.9 28.7 19.8 26.1 18.2 0.0 0.0 5.7 0.0 0.0 10.1 121.1 0 1931/32 0.5 18.2 0.0 0.0 57.1 16.6 0.0 10.5 0.0 0.0 0.0 0.0 8.6 102.9 0 1932/33 20.8 0.0 1.1 10.6 14.5 4.8 5.8 0.0 2.5 0.0 0.0 0.0 5.0 60.1 0 1933/34 0.0 6.3 94.0 64.0 55.5 92.5 0.0 7.0 0.0 0.0 0.0 0.0 26.6 319.3 0 1934/35 9.0 45.5 50.3 0.0 32.1 40.4 45.4 7.7 3.8 0.0 0.0 0.0 19.5 234.2 0 1935/36 10.0 0.1 24.0 7.9 32.9 123.4 8.7 3.1 0.0 0.0 0.0 0.7 17.6 210.8 0 1936/37 1.5 0.0 37.2 58.0 30.2 0.0 0.2 0.0 0.0 0.0 0.0 0.0 10.6 127.1 0 1937/38 2.7 28.1 27.3 45.8 69.0 13.0 13.0 4.5 0.9 34.1 0.0 1.5 20.0 239.9 0 1938/39 2.0 24.7 52.1 26.7 93.0 8.4 14.0 2.5 15.0 15.7 6.2 0.8 21.8 261.1 0 1939/40 20.7 3.1 2.7 23.6 52.8 30.3 4.6 0.0 0.0 0.0 0.0 6.8 12.1 144.6 0 1940/41 0.0 25.7 20.8 82.7 3.8 0.0 3.8 0.0 0.0 0.0 0.0 1.0 11.5 137.8 0 1941/42 16.2 0.0 0.0 15.0 33.7 63.8 27.7 27.2 0.0 0.0 0.0 0.3 15.3 183.9 0 1942/43 39.4 2.8 9.8 17.8 20.1 25.6 50.0 0.0 0.0 0.0 13.4 0.0 14.9 178.9 0 1943/44 0.0 52.8 44.2 33.0 0.0 49.1 0.0 0.3 3.8 0.0 0.0 0.0 15.3 183.2 0 1944/45 0.0 0.0 0.0 19.6 0.0 46.8 11.9 0.0 0.0 1.3 0.0 0.0 6.6 79.6 0 1945/46 0.0 0.0 2.8 12.5 22.1 10.2 2.3 0.0 0.0 0.0 0.0 0.0 4.2 49.9 0 1946/47 0.0 0.0 9.4 20.3 0.0 16.5 18.1 9.7 2.3 0.0 0.0 0.0 6.4 76.3 0 1947/48 [ ] [ ] [ ] [ ] [ ] 12.0 5.1 0.0 0.0 0.0 0.0 0.0 [2.4] [17.1] 152 1948/49 0.0 6.1 11.4 41.9 12.6 7.8 59.9 0.0 2.8 0.0 18.3 0.0 13.4 160.8 0 1949/50 10.9 1.8 13.5 10.7 99.0 120.1 44.1 26.6 19.8 0.0 0.0 1.3 29.0 347.8 0 1950/51 8.1 14.3 21.9 0.0 20.3 7.1 1.0 11.4 0.0 0.0 0.0 0.0 7.0 84.1 0 1951/52 0.0 0.0 0.0 1.8 72.9 5.6 15.3 0.0 0.0 0.0 0.0 0.0 8.0 95.6 0 1952/53 10.4 2.8 0.0 0.0 28.0 9.6 42.3 0.0 0.0 0.0 1.7 0.0 7.9 94.8 0 1953/54 17.2 11.5 53.9 4.0 22.3 115.7 36.3 5.6 0.0 0.0 0.0 0.0 22.2 266.5 0 1954/55 0.0 0.0 4.3 98.1 48.0 38.9 27.0 21.2 0.0 0.0 0.0 0.0 19.8 237.5 0 1955/56 0.0 19.0 43.9 19.1 121.0 105.9 0.0 16.0 0.0 0.0 0.0 0.0 27.1 324.9 0 1956/57 0.0 0.0 53.2 9.7 12.7 55.0 6.6 0.0 0.0 0.0 0.0 9.0 12.2 146.2 0 1957/58 13.5 7.8 48.5 37.8 33.5 8.9 18.5 3.0 0.0 0.0 0.0 0.0 14.3 171.5 0 1958/59 1.0 0.0 24.0 36.0 6.8 0.0 9.0 6.0 4.0 0.0 0.0 0.0 7.2 86.8 0 1959/60 0.0 0.8 33.8 0.0 3.0 44.6 17.8 0.0 0.0 0.0 0.0 0.0 8.3 100.0 0 1960/61 0.0 12.5 28.0 0.0 22.2 23.3 32.0 15.0 28.7 0.0 0.0 0.0 13.5 161.7 0 1156 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 0422538 Louwsvlei Site 0422538.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 1961/62 0.0 31.4 0.7 3.4 110.5 4.0 0.0 0.0 0.0 0.0 6.0 0.0 13.0 156.0 0 1962/63 0.0 4.3 5.5 76.0 37.2 27.4 31.7 47.1 0.0 0.0 0.0 0.0 19.1 229.2 0 1963/64 13.3 31.3 5.0 0.0 35.5 2.5 0.0 2.0 0.0 0.0 0.0 0.0 7.5 89.6 0 1964/65 10.5 0.2 21.7 43.0 0.0 77.5 40.5 0.0 0.0 0.0 0.0 4.0 16.4 197.4 0 1965/66 0.0 35.0 0.0 12.0 9.5 1.2 0.0 0.0 9.0 0.0 0.0 5.0 6.0 71.7 0 1966/67 51.5 0.0 1.9 30.8 24.1 3.8 46.5 38.0 0.0 0.0 0.0 0.0 16.4 196.6 0 1967/68 0.0 42.0 0.0 5.5 0.0 156.5 0.5 28.3 0.0 0.0 0.0 0.0 19.4 232.8 0 1968/69 7.5 1.3 37.8 0.0 44.7 22.7 26.0 5.2 0.0 1.0 0.0 0.0 12.2 146.2 0 1969/70 0.0 0.0 0.0 1.3 134.0 1.3 22.0 0.0 0.0 0.0 6.0 0.0 13.7 164.6 0 1970/71 12.2 0.0 0.0 36.0 7.5 22.5 9.8 11.5 6.1 0.0 0.0 0.0 8.8 105.6 0 1971/72 23.5 1.5 0.0 93.2 41.0 31.5 45.2 0.0 0.0 0.0 0.0 0.0 19.7 235.9 0 1972/73 6.0 15.0 0.0 5.5 36.0 20.5 39.5 0.0 0.0 3.0 0.0 0.0 10.5 125.5 0 1973/74 11.7 9.5 23.2 223.5 176.6 10.0 88.5 5.0 0.0 0.0 0.0 0.0 45.7 548.0 0 1974/75 0.0 10.2 26.5 12.0 9.5 61.6 30.0 3.0 2.0 0.0 0.0 0.0 12.9 154.8 0 1975/76 0.0 4.5 110.6 97.6 82.0 188.3 36.5 10.5 0.0 0.0 0.0 0.0 44.2 530.0 0 1976/77 13.5 0.0 23.5 29.5 79.7 59.5 50.1 0.3 0.0 0.0 0.0 6.5 21.9 262.6 0 1977/78 0.0 2.5 0.0 76.6 24.5 48.5 0.0 0.0 0.0 0.0 5.0 2.5 13.3 159.6 0 1978/79 0.0 2.0 3.0 44.0 35.0 4.7 18.7 13.0 6.7 11.0 0.3 5.0 11.9 143.4 0 1979/80 0.0 17.0 11.0 0.0 68.4 41.8 0.0 0.0 0.0 0.0 0.0 0.0 11.5 138.2 0 1980/81 21.0 0.0 6.0 0.0 17.5 14.0 0.0 0.0 1.0 0.0 11.5 0.0 5.9 71.0 0 1981/82 20.0 1.5 0.0 9.0 21.0 0.0 23.0 0.0 0.0 3.5 0.0 0.5 6.5 78.5 0 1982/83 17.0 0.0 21.6 22.5 0.0 32.5 13.0 2.5 0.0 0.0 0.0 0.0 9.1 109.1 0 1983/84 0.0 28.0 21.5 0.5 14.0 11.2 17.0 17.5 0.0 0.0 0.0 0.0 9.1 109.7 0 1984/85 18.0 8.0 0.0 15.1 8.8 35.0 1.5 0.0 0.0 0.0 0.0 0.0 7.2 86.4 0 1985/86 4.0 10.0 46.0 11.5 0.0 0.0 47.5 0.0 5.0 0.0 0.0 0.0 10.3 124.0 0 1986/87 0.0 0.0 0.0 0.0 12.0 19.0 3.0 8.0 0.0 0.0 0.0 26.2 5.7 68.2 0 1987/88 2.5 13.0 12.5 16.0 25.5 51.5 72.0 0.0 0.0 0.0 0.0 0.0 16.1 193.0 0 1988/89 0.0 3.5 62.0 56.0 84.5 5.5 32.0 0.0 0.0 0.0 0.0 0.0 20.3 243.5 0 1989/90 0.0 0.0 0.0 2.5 25.0 32.0 46.5 0.0 0.0 0.0 0.0 0.0 8.8 106.0 0 1990/91 1.0 17.0 4.5 69.0 38.0 67.0 0.0 0.0 0.0 0.0 0.0 13.0 17.5 209.5 0 1991/92 6.0 25.0 9.0 2.5 3.5 15.5 13.5 0.0 0.0 0.0 0.0 0.0 6.3 75.0 0 1992/93 2.5 21.0 0.0 42.0 29.5 34.5 19.0 3.0 0.0 10.0 4.0 0.0 13.8 165.5 0 1993/94 30.5 8.5 0.0 82.0 13.5 7.0 0.0 0.0 6.5 0.0 0.0 0.0 12.3 148.0 0 1994/95 0.0 2.0 2.8 42.0 0.0 65.5 0.0 16.5 0.0 0.0 0.0 0.0 10.7 128.8 0 1995/96 0.0 3.0 33.0 36.0 14.0 18.0 59.0 2.0 0.0 26.0 0.0 0.0 15.9 191.0 0 1156 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 0422538 Louwsvlei Site 0422538.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 1996/97 4.0 32.5 77.5 58.5 5.5 35.0 0.0 9.0 2.0 0.0 0.0 0.0 18.7 224.0 0 1997/98 3.5 0.0 3.7 60.0 29.0 57.5 0.0 0.0 0.0 0.0 0.0 0.0 12.8 153.7 0 1998/99 0.0 0.0 32.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [10.7] [32.0] 273 1999/ 0 [ ] [ ] [ ] 97.0 64.0 59.0 10.0 0.0 0.0 0.0 0.0 7.0 [26.3] [237.0] 92 2000/ 1 5.0 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [2.5] [5.0] 304 1156 Tot Mean 6.5 9.8 19.2 32.3 34.4 36.3 19.4 5.8 1.7 1.5 1.1 1.5 [13.7] [161.7] Mean Med. 1.3 3.3 9.4 20.3 24.4 24.4 13.5 0.3 0.0 0.0 0.0 0.0 Med. Max 51.5 52.8 110.6 223.5 176.6 188.3 88.5 47.1 28.7 34.1 18.3 26.2 [45.7] [548.0] 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 72 72 71 71 71 72 72 72 72 72 72 73 75 75 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... [ ] Data Not Recorded