Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0529428 Gibeon Site 0529428.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 1897/98 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 0.0 0.0 0.0 [0.0] [0.0] 273 1898/99 0.0 8.9A 17.0A 116.1A 67.8A 66.0A 63.8A 0.0 0.0 0.0 0.0 0.0 28.3A 339.6A 0 1899/ 0 22.1A 8.9A 0.3A 19.3A 0.3A 35.3A 21.8A 3.0A 3.0A 0.0 0.0 0.0 9.5A 114.0A 0 1900/ 1 0.0 1.5A 7.1A 4.3A 0.0 23.9A 11.2A 0.0 0.0 0.0 0.0 0.0 4.0A 48.0A 0 1901/ 2 17.3A 22.1A 17.0A 27.9A 19.8A 18.8A 0.0 0.0 1.8A 2.0A 0.0 0.0 10.6A 126.7A 0 1902/ 3 2.0A 0.0 5.1A 8.1A 35.1A 8.4A 5.1A 0.0 0.0 0.0 0.0 1.3A 5.4A 65.1A 0 1903/ 4 0.0 0.0 32.0A 181.9A 11.2A 32.3A 13.5A 0.0 0.0 0.0 0.0 0.0 22.6A 270.9A 0 1904/ 5 0.0 0.0 3.3A 3.3A 74.7A 35.3A 10.9A 0.0 0.0 0.0 0.0 11.4A 11.6A 138.9A 0 1905/ 6 2.0A 0.0 0.0 93.7A 3.0A 0.3A 0.0 4.6A 0.0 0.0 0.0 0.0 8.6A 103.6A 0 1906/ 7 0.0 92.2A 0.0 14.5A 16.8A 29.2A 23.6A 7.1A 11.7A 0.0 0.0 0.0 16.3A 195.1A 0 1907/ 8 7.9A 0.0 31.8A 5.3A 80.3A 0.3A 0.0 0.0 0.0 0.0 0.0 0.0 10.5A 125.6A 0 1908/ 9 0.0 0.0 3.8A 55.6A 75.9A 32.0A 14.2A 0.8A 0.0 0.0 0.0 0.0 15.2A 182.3A 0 1909/10 0.0 8.4A 6.4A 30.0A 51.8A 10.2A 0.0 0.0 0.5A 2.5A 1.8A 0.0 9.3A 111.6A 0 1910/11 0.0 0.0 0.0 15.7A 6.4A 51.3A 1.0A 0.0 0.0 0.0 1.0A 0.0 6.3A 75.4A 0 1911/12 5.1A 10.7A 0.0 24.1A 84.6A 27.4A 0.5A 0.0 0.0 0.0 0.0 0.0 12.7A 152.4A 0 1912/13 0.3A 0.0 22.9A 0.5A 18.5A 13.2A 8.9A 0.5A 2.0A 0.0 0.0 4.6 6.0A 71.4A 0 1913/14 0.0 26.1 1.3 51.1 3.8 29.3 0.0 1.3 0.0 0.0 [ ] [ ] [11.3] [112.9] 61 1914/15 [ ] 1.3 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [1.3] [1.3] 335 1915/16 [ ] [ ] [ ] 4.6 7.6 24.6 [ ] [ ] [ ] 0.0 0.0 0.0 [6.1] [36.8] 183 1916/17 28.2 62.0 19.7 60.8 83.2 100.4 33.5 0.0 0.5 0.0 0.0 0.0 32.4 388.3 0 1917/18 0.0 0.5 9.1 3.3 133.0 124.4 4.8 3.6 0.0 20.6 0.0 0.0 24.9 299.3 0 1918/19 7.3 5.4 4.6 0.3 11.4 69.0 2.5 0.0 0.0 0.0 0.0 39.1 11.6 139.6 0 1919/20 8.7 34.6 0.0 0.0 76.6 2.0 [ ] [ ] [ ] [ ] [ ] [ ] [20.3] [121.9] 183 1920/21 [ ] [ ] 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] 0.0 0.0 [0.0] [0.0] 273 1921/22 1.0 14.5 8.2 49.3 5.9 0.0 1.3 8.2 0.0 0.0 0.0 0.0 7.4 88.4 0 1922/23 15.8 0.5 0.0 40.7 124.2 79.6 65.4 0.0 0.0 0.0 0.0 0.0 27.2 326.2 0 1923/24 9.4 6.9 0.0 7.3 23.1 29.2 11.2 [ ] [ ] 0.0 0.0 0.0 [8.7] [87.1] 61 1924/25 0.0 8.9A 2.0 24.6 144.5 69.8 6.8 6.1 0.0 14.4 0.0 [ ] [25.2] [277.1] 30 1925/26 2.3A 2.0 54.4 23.2 0.0 108.0 30.0 [ ] [ ] [ ] [ ] [ ] [31.4] [219.9] 153 1926/27 0.0 1.8 7.9 11.4 27.3 19.8 15.6 [ ] [ ] [ ] 0.0 0.0 [9.3] [83.8] 92 1927/28 3.8 16.5 13.5 36.6 22.6 62.6 0.0 0.0 0.0 0.0 0.0 0.0 13.0 155.6 0 1928/29 0.0 21.3A 3.3A 5.3A 6.1A 28.9 0.0 0.5 4.6 0.0 0.0 5.3 6.3A 75.3A 0 1929/30 0.3 0.0 8.4 0.0 28.7 4.8 0.0 0.0 0.0 0.0 0.0 0.0 3.5 42.2 0 1930/31 6.1 17.4 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [7.8] [23.5] 273 1931/32 [ ] 17.4 0.0 11.7 13.2 23.6 0.0 0.0 0.0 0.0 0.0 0.0 [6.0] [65.9] 31 6759 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 0529428 Gibeon Site 0529428.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 1932/33 45.4 10.9 6.4 7.5 17.6 5.9 4.3 0.5 0.0 0.0 0.0 0.0 8.2 98.5 0 1933/34 0.0 13.4 93.6 140.9 71.6 138.4 10.2 0.0 0.0 0.0 0.0 0.0 39.0 468.1 0 1934/35 0.3 0.8 17.0 66.6 32.9 26.0 17.8 13.2 0.0 0.0 0.0 0.5 14.6 175.1 0 1935/36 0.0 3.3 13.7 9.7 0.5 101.2 0.0 13.0 0.0 0.0 0.0 0.0 11.8 141.4 0 1936/37 0.0 0.0 20.8 183.4 72.7 15.2 3.8 0.0 0.0 0.0 0.0 0.0 24.7 295.9 0 1937/38 0.0 8.7 14.3 107.1 5.3 0.8 57.9 30.5 0.0 0.0 0.0 0.0 18.7 224.6 0 1938/39 0.0 51.7 2.0 30.2 143.0 137.7 17.0 0.0 4.8 3.3 2.3 0.0 32.7 392.0 0 1939/40 19.1 [ ] [ ] 19.5 71.2 13.7 3.5 0.0 15.5 0.0 0.0 17.3 [16.0] [159.8] 61 1940/41 0.0 17.0 10.2 22.1 12.2 2.9 0.0 0.0 0.0 0.0 0.0 0.0 5.4 64.4 0 1941/42 5.0 2.3 0.0 0.3 127.6 23.6 26.7 11.0 0.0 0.0 0.0 2.0 16.5 198.5 0 1942/43 27.2 0.0 89.0 17.5 41.4 25.5 55.4 0.0 [ ] [ ] 10.9 0.3 [26.7] [267.2] 61 1943/44 0.0 35.0 72.1 82.2 0.8 25.2 0.0 0.5 1.5 0.0 0.3 0.0 18.1 217.6 0 1944/45 1.8 0.0 0.0 29.9 27.5 5.6 21.6 0.0 0.0 0.0 0.0 0.0 7.2 86.4 0 1945/46 0.0 10.5 9.7 0.0 22.1 20.6 7.9 0.0 0.0 0.0 0.0 0.0 5.9 70.8 0 1946/47 0.5 0.0 26.1 45.8 12.9 32.9 7.9 0.0 1.1 0.0 0.0 2.0 10.8 129.2 0 1947/48 0.0 0.0 21.9 37.8 47.8 18.6 28.7 0.0 0.0 0.8 1.0 0.0 13.1 156.6 0 1948/49 21.8 19.6 30.4 28.9 42.2 56.1 3.5 0.0 19.1 0.0 1.3 0.0 18.6 222.9 0 1949/50 8.4 3.3 1.3 15.0 95.9 200.9 34.6 12.7 0.0 0.0 0.0 0.0 31.0 372.1 0 1950/51 0.0 3.3 33.8 1.0 45.6 0.0 19.1 2.3 0.5 0.0 0.0 0.0 8.8 105.6 0 1951/52 0.0 25.3 14.2 4.6 75.5 0.0 6.1 0.0 1.0 0.0 0.0 0.0 10.6 126.7 0 1952/53 0.0 23.4 3.6 0.3 164.6 33.1 29.8 0.0 0.0 0.0 0.0 0.0 21.2 254.8 0 1953/54 18.7 0.5 [ ] 15.8 39.4 94.1 18.8 1.5 0.0 0.0 0.0 2.5 [17.4] [191.3] 31 1954/55 0.0 4.6 0.0 46.8 23.5 11.3 8.0 3.0 6.3 0.0 0.0 0.0 8.6 103.5 0 1955/56 3.0 25.5 24.5 58.1 113.2 66.5 2.5 0.0 0.0 2.7 0.0 0.0 24.7 296.0 0 1956/57 3.0 21.5 15.5 68.8 42.0 76.5 3.5 1.4 0.0 0.0 0.0 0.0 19.3 232.2 0 1957/58 1.6 57.5 46.7 23.4 29.3 11.6 0.5 0.5 0.0 0.0 0.0 0.0 14.3 171.1 0 1958/59 0.0 0.0 7.2 21.6 15.5 20.6 0.0 0.0 0.0 0.0 0.0 0.0 5.4 64.9 0 1959/60 0.5 5.0 7.0 14.0 30.8 60.1 3.2 0.0 0.0 0.0 0.0 0.0 10.0 120.6 0 1960/61 0.0 2.2 7.5 2.1 4.5 40.9 31.3 0.0 19.6 0.0 0.0 0.0 9.0 108.1 0 1961/62 0.0 8.1 29.8 0.0 65.9 0.0 5.7 0.0 0.0 0.0 [ ] 0.0 [10.0] [109.5] 31 1962/63 7.5 9.0 11.7 148.2 14.0 51.1 39.5 11.5 0.0 3.2 0.0 0.0 24.6 295.7 0 1963/64 15.5 14.7 6.5 0.0 0.0 32.5 0.0 1.1 0.0 0.0 0.0 0.0 5.9 70.3 0 1964/65 0.0 4.1 18.5 14.8 38.5 49.2 14.5 0.0 0.0 0.0 0.0 10.0 12.5 149.6 0 1965/66 0.0 5.5 0.0 10.7 24.0 23.0 20.4 0.0 0.0 0.0 0.0 10.0 7.8 93.6 0 1966/67 42.0 0.0 25.7 8.0 60.0 80.0 0.0 11.0 0.0 0.0 0.0 0.0 18.9 226.7 0 6759 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 0529428 Gibeon Site 0529428.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 1967/68 0.0 47.9 0.0 0.0 0.0 96.2 0.0 0.0 0.0 0.0 0.0 0.0 12.0 144.1 0 1968/69 0.0 7.0 6.3 0.0 34.5 21.0 0.0 0.0 0.0 0.0 0.0 0.0 5.7 68.8 0 1969/70 0.0 0.0 0.0 19.5 77.5 11.0 7.0 0.0 0.0 0.0 0.0 0.0 9.6 115.0 0 1970/71 15.5 0.0 23.8 17.0 51.5 56.0 0.4 0.0 0.0 0.0 0.0 0.0 13.7 164.2 0 1971/72 4.0 14.0 0.0 104.4 0.0 106.5 58.5 0.0 0.0 0.0 0.0 0.0 23.9 287.4 0 1972/73 0.0 0.0 0.0 0.0 46.0 95.0 0.0 0.0 0.0 0.0 0.0 0.0 11.8 141.0 0 1973/74 17.0 0.0 7.5 291.5 232.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 45.7 548.5 0 1974/75 0.0 0.0 37.0 21.0 0.0 60.0 0.0 0.0 0.0 0.0 0.0 0.0 9.8 118.0 0 1975/76 0.0 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 0.0 [0.0] [0.0] 275 1976/77 0.0 0.0 0.0 0.0 64.0 13.0 10.0 0.0 0.0 0.0 0.0 4.5 7.6 91.5 0 1977/78 0.0 0.0 0.0 20.5 93.4 37.5 11.0 0.0 0.0 0.0 0.0 0.0 13.5 162.4 0 1978/79 0.0 3.0 0.0 30.0 32.5 0.0 9.5 0.0 0.0 0.0 0.0 0.0 6.3 75.0 0 1979/80 2.5 0.0 18.5 0.0 0.0 54.0 0.0 0.0 0.0 0.0 0.0 0.0 6.3 75.0 0 1980/81 0.0 [ ] 0.0 0.0 7.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 [0.7] [7.5] 30 1981/82 0.0 0.0 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.0] [0.0] 273 1982/83 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1983/84 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1984/85 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1985/86 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1986/87 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1987/88 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1988/89 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1989/90 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1990/91 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1991/92 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1992/93 [ ] [ ] [ ] 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 [0.0] [0.0] 92 1993/94 0.0 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.0] [0.0] 304 6759 Tot Mean 4.9A 10.5A 13.3A 34.0A 44.1A 40.1A 12.1A 2.0A 1.3A 0.6A 0.2A 1.4A [13.2] [150.9] Mean Med. 0.0A 3.3A 7.1A 17.3A 30.0A 28.2A 5.9A 0.0A 0.0A 0.0A 0.0A 0.0A Med. Max 45.4A 92.2A 93.6A 291.5A 232.5A 200.9A 65.4A 30.5A 19.6A 20.6A 10.9A 39.1A [45.7] [548.5] Max Min 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A [0.0] [0.0] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 81 81 79 80 80 80 78 75 74 77 78 79 87 87 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded