Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0609057 Lahnstein Site 0609057.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 1912/13 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 0.0 0.0 0.0 [0.0] [0.0] 273 1913/14 0.0 9.4 6.7 35.3 12.5 113.6 5.3 0.0 0.0 0.0 0.3 0.0 15.3 183.1 0 1914/15 3.9 0.0 2.2 24.5 77.6 1.9 11.9 [ ] [ ] [ ] [ ] [ ] [17.4] [122.0] 153 1915/16 [ ] [ ] 13.4 3.3 8.6 54.3 3.5 [ ] [ ] 0.0 0.0 0.0 [10.4] [83.1] 122 1916/17 13.2 6.7 46.7 45.7 127.6 54.9 17.6 0.0 0.0 0.0 2.2 0.0 26.2 314.6 0 1917/18 0.0 0.0 3.0 2.9 249.6 168.0 14.0 0.0 0.0 0.4 0.0 0.0 36.5 437.9 0 1918/19 8.0 7.7 0.0 0.0 1.5 6.9 11.9 0.0 0.0 0.0 0.0 41.5 6.5 77.5 0 1919/20 13.5 6.9 [ ] 0.0 59.8 26.5 23.8 [ ] [ ] 0.0 [ ] 0.0 [16.3] [130.5] 123 1920/21 0.0 46.7 43.0 33.2 96.8 33.2 40.3 33.6 0.0 0.0 0.1 0.0 27.2 326.9 0 1921/22 0.0 33.4 0.0 0.0 0.1 3.0 2.0 24.7 0.0 0.0 0.0 0.0 5.3 63.2 0 1922/23 5.5 0.0 10.0 1.5 124.3 143.5 54.0 5.0 1.5 0.0 0.0 0.0 28.8 345.3 0 1923/24 0.9 4.2 0.4 1.6 16.1 46.3 11.5 0.0 0.0 0.0 0.0 0.0 6.8 81.0 0 1924/25 1.0 6.1 12.0 71.9 79.9 122.7 8.7 8.0 0.0 13.6 0.0 0.0 27.0 323.9 0 1925/26 0.0 0.0 7.5 58.2 0.0 3.5 10.3 2.0 15.8 0.0 0.0 7.1 8.7 104.4 0 1926/27 0.0 0.1 17.3 9.1 8.7 16.2 26.8 0.0 0.0 0.0 1.1 0.0 6.6 79.3 0 1927/28 0.0 10.6 12.4 71.8 35.7 46.5 11.2 0.0 0.0 0.0 0.0 0.0 15.7 188.2 0 1928/29 0.0 1.7 9.1 12.8 16.8 42.4 0.0 0.0 7.4 0.0 1.7 6.7 8.2 98.6 0 1929/30 5.8 0.0 6.9 0.3 7.9 18.0 0.0 0.0 0.0 0.0 0.0 0.0 3.2 38.9 0 1930/31 8.5 38.6 24.7 46.2 11.2 23.8 0.4 0.0 0.0 0.0 0.0 0.0 12.8 153.4 0 1931/32 0.0 3.0 0.0 0.0 4.2 1.3 0.0 12.6 0.0 0.0 0.0 0.0 1.8 21.1 0 1932/33 26.3A 0.4 0.6 1.0 46.0 22.1 0.0 0.0 0.0 0.0 0.0 0.0 8.0A 96.4A 0 1933/34 0.4 0.0 31.7 174.5 102.3 176.9 53.6 0.9 0.0 0.0 0.0 0.0 45.0 540.3 0 1934/35 0.0 9.8 27.5 13.1 39.9 15.0 17.5 2.7 0.0 0.0 0.0 12.5 11.5 138.0 0 1935/36 0.0 0.0 0.0 37.7 0.0 52.8 1.0 13.7 1.6 0.0 0.0 0.0 8.9 106.8 0 1936/37 0.0 19.3 4.2 0.0 91.0 66.0 0.2 0.0 0.0 0.0 0.0 0.0 15.1 180.7 0 1937/38 1.1 4.4 15.1 80.5 0.0 2.2 20.1 0.0 13.6 0.0 0.0 0.0 11.4 137.0 0 1938/39 0.0 52.3 5.7 31.2 10.3 88.2 18.3 1.7 0.0 1.9 3.1 0.0 17.7 212.7 0 1939/40 5.3 0.0 4.1 30.3 34.5 28.7 2.5 0.0 0.0 0.0 0.0 8.4 9.5 113.8 0 1940/41 0.0 0.0 23.1 16.3 52.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7.7 92.2 0 1941/42 17.8 0.5 0.0 0.0 138.2 17.0 25.9 1.3 0.0 0.0 0.0 0.0 16.7 200.7 0 1942/43 12.7 13.4 46.0 16.0 23.6 16.3 15.8 0.0 0.0 0.0 2.8 6.8 12.8 153.4 0 1943/44 0.0 8.9 89.9 75.7 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14.6 175.0 0 1944/45 0.0 0.0 3.3 49.5 23.4 0.0 7.6 0.0 0.0 0.0 0.0 0.0 7.0 83.8 0 1945/46 0.0 3.0 109.5 23.8 0.0 4.1 21.0 0.0 0.0 0.0 0.0 0.0 13.4 161.4 0 1946/47 0.0 0.0 0.0 41.9 6.6 68.8 0.0 0.0 [ ] [ ] [ ] [ ] [14.7] [117.3] 122 2649 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 0609057 Lahnstein Site 0609057.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 1947/48 0.0 [ ] 17.0 98.0 27.9 8.6 29.7 0.0 0.0 0.0 0.0 0.0 [16.5] [181.2] 30 1948/49 0.0 11.9 22.1 0.0 21.8 77.2 40.4 0.0 0.0 0.0 0.0 0.0 14.4 173.4 0 1949/50 0.0 2.3 16.0 92.5 146.9 166.9 5.1 15.5 0.0 0.0 0.0 0.0 37.1 445.2 0 1950/51 0.0 0.0 6.4 2.0 31.9 0.0 34.0 0.8 0.0 0.0 0.0 0.0 6.3 75.1 0 1951/52 0.0 72.9 0.0 8.4 113.9 0.0 11.4 0.0 0.0 0.0 0.0 0.0 17.2 206.6 0 1952/53 23.9 0.0 2.0 14.0 124.0 5.6 17.6 0.0 0.0 0.0 0.0 2.2 15.8 189.3 0 1953/54 0.0 0.0 0.3 20.0A 29.9 130.9 0.0 0.0 0.0 0.0 0.0 0.0 15.1A 181.1A 0 1954/55 0.0 13.5 5.1 26.8 23.0 49.0 0.0 0.0 19.0A 0.0 0.0 0.0 11.4A 136.4A 0 1955/56 0.0 2.9 0.0 55.0 77.7 162.7 0.0 0.0 0.0 0.0 0.0 0.0 24.9 298.3 0 1956/57 0.0 [ ] 0.0 56.1 88.5 64.0 7.0 0.0 0.0 14.0 0.0 0.0 [20.9] [229.6] 30 1957/58 0.0 30.5 10.5 31.0 57.0 34.5 0.0 0.0 0.0 0.0 0.0 0.0 13.6 163.5 0 1958/59 0.0 1.8 13.0 3.0 38.0 3.5 7.7 0.0 0.0 0.0 0.0 0.0 5.6 67.0 0 1959/60 0.0 6.2 0.0 5.0 44.0 23.8 0.0 [ ] 0.0 0.0 0.0 0.0 [7.2] [79.0] 31 1960/61 0.0 3.0 0.0 21.1 49.0 83.5A 3.0 0.0 0.0 0.0 0.0 0.0 13.3A 159.6A 0 1961/62 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.0] [0.0] 334 1962/63 [ ] [ ] [ ] 155.0 0.0 47.6 [ ] [ ] [ ] [ ] [ ] [ ] [67.5] [202.6] 275 1963/64 [ ] [ ] [ ] [ ] 30.7 24.0 0.0 0.0 0.0 0.0 0.0 0.0 [6.8] [54.7] 123 1964/65 25.0 0.0 0.0 28.0 64.0 15.0 8.5 0.0 0.0 0.0 0.0 11.0 12.6 151.5 0 1965/66 4.0 0.0 0.0 55.0 41.5 45.0 18.0 0.0 0.0 0.0 0.0 22.0 15.5 185.5 0 1966/67 14.0 0.0 24.0 41.0 130.1 81.6 0.0 0.0 0.0 0.0 0.0 0.0 24.2 290.7 0 1967/68 0.0 9.5 22.4 0.0 15.0 126.0 0.0 0.0 0.0 0.0 0.0 0.0 14.4 172.9 0 1968/69 0.0 79.0 0.0 0.0 83.8 90.5 2.5 0.0 0.0 0.0 0.0 0.0 21.3 255.8 0 1969/70 0.0 0.0 12.5 48.0 28.5 10.5 10.0 0.0 0.0 0.0 0.0 0.0 9.1 109.5 0 1970/71 13.0 0.0 0.0 39.5 211.5 62.0 12.5 0.0 0.0 0.0 0.0 0.0 28.2 338.5 0 1971/72 0.0 0.0 0.0 48.0 0.0 124.5 60.5 0.0 0.0 0.0 0.0 0.0 19.4 233.0 0 1972/73 0.0 0.0 0.0 0.0 11.6 64.0 29.9 0.0 0.0 0.0 0.0 0.0 8.8 105.5 0 1973/74 0.0 0.0 0.0 207.5 146.2 139.0A 90.5A 0.0 0.0 0.0 0.0 0.0 48.6A 583.2A 0 1974/75 0.0 43.5 0.0 0.0 18.5 66.0 36.5 0.0 0.0 0.0 0.0 0.0 13.7 164.5 0 1975/76 0.0 0.0 0.0 231.5 71.0 117.0 0.0 0.0 0.0 0.0 0.0 0.0 35.0 419.5 0 1976/77 0.0 0.0 0.0 19.0 135.5 29.0 12.5 0.0 0.0 0.0 0.0 0.0 16.3 196.0 0 1977/78 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.0] [0.0] 334 1978/79 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1979/80 [ ] [ ] [ ] 3.1 43.2 33.3 0.0 0.0 0.0 0.0 14.0 0.0 [10.4] [93.6] 92 1980/81 1.4 7.0 13.5 5.0 5.1 7.0 0.5 0.0 0.0 0.0 0.0 0.0 3.3 39.5 0 1981/82 0.0 0.0 0.0 3.5 13.6 26.6 2.2 0.0 4.7 3.0 0.0 2.5 4.7 56.1 0 2649 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 0609057 Lahnstein Site 0609057.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 1982/83 0.0 7.0 3.0 21.7 0.0 21.0 7.6 0.0 0.0 0.0 0.0 0.0 5.0 60.3 0 1983/84 2.7 11.0 5.5 0.0 0.0 78.7 9.7 0.0 0.0 0.0 0.0 0.0 9.0 107.6 0 1984/85 0.0 14.0 0.0 12.1 29.2 29.0 16.5 0.0 0.0 0.0 0.0 0.0 8.4 100.8 0 1985/86 7.0 7.0 35.3 69.0 34.7 40.5 11.5 0.0 0.0 0.0 0.0 1.2 17.2 206.2 0 1986/87 11.0 0.0 0.0 0.0 39.4 0.0 67.0 0.5 0.0 7.0 0.0 0.0 10.4 124.9 0 1987/88 0.0 0.0 0.0 14.0 22.5 63.5 25.8 7.0 0.0 0.0 0.0 0.0 11.1 132.8 0 1988/89 0.0 0.0 14.0 55.0 55.5 0.0 94.5 6.0 0.0 0.0 0.0 0.0 18.8 225.0 0 1989/90 0.0 0.0 0.0 0.0 15.5 32.0 14.0 0.0 0.0 0.0 0.0 0.0 5.1 61.5 0 1990/91 0.0 4.0 16.5 15.0 0.0 29.0 0.0 0.0 0.0 0.0 0.0 0.0 5.4 64.5 0 1991/92 0.0 0.0 63.5 10.0 12.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7.2 86.0 0 1992/93 0.0 0.0 0.0 25.0A 25.0A 13.0 9.0 0.0 0.0 0.0 0.0 0.0 6.0A 72.0A 0 1993/94 0.0 7.0 0.0 64.0 25.0 0.0 23.5 0.0 0.0 0.0 0.0 0.0 10.0 119.5 0 1994/95 2.0 0.0 0.0 0.0 31.0 41.5 0.0 0.0 0.0 0.0 0.0 0.0 6.2 74.5 0 1995/96 0.0 14.0A 21.0A 19.0A 4.5A 4.0A 0.0 0.0 0.0 0.0 0.0 0.0 5.2A 62.5A 0 1996/97 0.0 0.0 0.0 129.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [32.3] [129.0] 242 2649 Tot Mean 2.9A 8.5A 11.7A 34.5A 46.6A 46.9A 14.6A 1.8 0.8A 0.5 0.3 1.6 [14.7] [161.3] Mean Med. 0.0A 1.8A 4.1A 19.5A 29.6A 30.5A 9.0A 0.0 0.0A 0.0 0.0 0.0 Med. Max 26.3A 79.0A 109.5A 231.5A 249.6A 176.9A 94.5A 33.6 19.0A 14.0 14.0 41.5 [67.5] [583.2] Max Min 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0 0.0A 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 79 75 77 80 80 80 79 75 75 78 77 78 84 84 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded