Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0490132 Aruab Site 0490132.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 6.0 [2.0] [6.0] 273 1913/14 5.5 16.8 0.0 62.2 25.6 14.1 0.0 2.3 [ ] [ ] [ ] [ ] [15.8] [126.5] 122 1914/15 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1915/16 [ ] [ ] [ ] [ ] [ ] 18.0 9.0 0.0 0.0 0.0 0.0 0.0 [3.9] [27.0] 152 1916/17 3.5 2.5 28.8 70.1 133.4 70.3 35.4 0.0 13.5 9.5 0.0 0.0 30.6 367.0 0 1917/18 0.0 0.0 18.7 17.5 42.7 65.5 0.0 0.0 0.0 1.2 0.0 0.0 12.1 145.6 0 1918/19 46.9 4.5 5.7 0.0 5.2 10.1 5.3 0.0 0.0 0.0 8.2 15.8 8.5 101.7 0 1919/20 6.6 3.8 0.0 0.0 0.5 10.4 42.7 2.7 10.4 0.0 0.0 0.0 6.4 77.1 0 1920/21 3.0 3.8 0.0 0.0 11.7 33.5 34.5 17.9 14.4 0.8 45.1 0.0 13.7 164.7 0 1921/22 2.5 29.7 6.5 5.6 8.0 0.6 4.5 37.7 [ ] [ ] [ ] [ ] [11.9] [95.1] 122 1922/23 [ ] [ ] 6.2 11.3 33.1 58.6 64.7 7.7 1.2 0.0 0.0 0.0 [18.3] [182.8] 61 1923/24 1.7 3.6 0.0 9.3 1.7 10.0 [ ] [ ] [ ] 0.0 1.8 0.0 [3.1] [28.1] 91 1924/25 19.5 7.2 6.0 46.8 119.7 132.9 37.8 17.8 18.5 15.1 0.0 2.0 35.3 423.3 0 1925/26 6.0 2.6 15.2 21.1 0.0 17.0 7.2 58.5 38.1 1.8 0.0 10.0 14.8 177.5 0 1926/27 0.0 28.2 13.7 22.5 32.1 38.8 33.7 0.0 0.0 0.0 0.0 0.0 14.1 169.0 0 1927/28 0.0 11.6 11.9 58.7 11.9 110.9 34.7 0.0 0.0 0.0 0.0 0.4 20.0 240.1 0 1928/29 0.0 0.0 8.2 14.1 8.6 45.2 0.0 0.8 5.6 8.7 0.5 0.6 7.7 92.3 0 1929/30 6.9 0.0 0.0 0.8 2.1 26.7 0.5 0.0 0.6 0.0 10.0 0.0 4.0 47.6 0 1930/31 2.1 3.6 8.0 15.8 111.4 67.3 0.0 0.0 0.0 1.8 0.0 0.0 17.5 210.0 0 1931/32 0.0 26.6 10.4 0.0 37.2 21.4 8.4 16.1 0.0 1.5 0.0 [ ] [11.1] [121.6] 30 1932/33 8.2 0.5 7.6 0.0 22.8 17.7 0.0 0.0 0.0 0.0 9.5 0.0 5.5 66.3 0 1933/34 0.0 0.0 15.8 107.7 131.7 98.2 23.1 0.0 0.0 0.0 0.0 0.0 31.4 376.5 0 1934/35 0.4 5.9 36.3 23.8 107.4 26.6 3.4 5.5 0.0 0.7 0.0 1.1 17.6 211.1 0 1935/36 0.0 0.0 17.0 0.0 0.0 88.6 2.5 15.5 0.0 0.0 0.0 0.0 10.3 123.6 0 1936/37 0.0 8.5 33.5 143.4 115.4 11.0 1.6 0.0 0.0 3.5 0.0 0.0 26.4 316.9 0 1937/38 0.8 8.0 26.8 67.4 8.0 0.0 24.4 24.0 6.2 0.2 0.0 0.0 13.8 165.8 0 1938/39 0.0 40.5 0.7 9.2 16.8 56.5 35.2 0.0 0.2 30.0 1.4 0.0 15.9 190.5 0 1939/40 0.0 23.9 8.1 10.9 63.8 20.8 0.0 0.0 9.9 6.1 [ ] 22.9 [15.1] [166.4] 31 1940/41 0.5 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.5] [0.5] 334 1941/42 [ ] [ ] [ ] 8.9 85.0 11.2 61.0 12.5 5.1 0.0 0.0 0.0 [20.4] [183.7] 92 1942/43 1.8 0.0 52.1 [ ] [ ] 28.5 6.1 0.0 0.0 4.1 0.0 16.5 [10.9] [109.1] 59 1943/44 0.0 2.0 75.6 18.6 55.8 3.8 5.6 0.0 0.0 3.3 0.0 0.0 13.7 164.7 0 1944/45 0.0 0.0 0.0 7.8 38.9 12.2 0.3 1.0 0.0 0.0 0.0 0.0 5.0 60.2 0 1945/46 0.0 19.0 81.5 9.1 11.2 2.0 2.0 0.0 0.0 0.0 0.0 2.5 10.6 127.3 0 1946/47 0.5 3.0 4.1 11.7 21.5 5.3 3.0 16.3 0.5 0.0 0.0 1.5 5.6 67.4 0 2673 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 0490132 Aruab Site 0490132.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 0.0 5.1 34.9 42.4 15.1 15.0 0.0 0.0 0.0 0.0 0.0 9.4 112.5 0 1948/49 7.1 51.6 0.0 0.0 39.6 30.7 24.1 0.0 2.8 0.0 4.1 0.0 13.3 160.0 0 1949/50 0.0 20.1 8.4 30.3 67.0 148.7 50.6 18.3 0.0 18.3 0.0 0.0 30.1 361.7 0 1950/51 0.5 1.8 0.0 2.5 31.9 1.3 10.4 3.6 20.3 0.0 0.0 0.0 6.0 72.3 0 1951/52 2.0 34.5 0.0 5.6 146.0 0.5 2.5 0.0 0.0 2.5 0.0 0.0 16.1 193.6 0 1952/53 14.7 41.7 3.1 10.1 101.6 21.5 62.9 9.0 0.0 0.0 0.0 0.0 22.1 264.6 0 1953/54 3.0 0.0 20.0 3.5 19.0 148.0 0.0 16.0 0.0 0.0 0.0 0.0 17.5 209.5 0 1954/55 0.0 28.0 0.0 66.5 22.5 35.0 0.0 0.0 0.0 0.0 0.0 0.0 12.7 152.0 0 1955/56 0.5 18.0 0.0 72.0 111.5 119.0A 9.0 3.5 1.2 0.0 0.0 0.0 27.9A 334.7A 0 1956/57 0.0 0.0 0.0 54.0 27.0 58.2 1.5 0.0 0.0 0.0 0.0 0.0 11.7 140.7 0 1957/58 0.0 5.5 48.8 17.0 2.0 0.0 5.5 0.0 0.0 0.0 0.0 0.0 6.6 78.8 0 1958/59 0.0 0.0 10.5 19.0 29.0 1.8 4.0 2.7 8.0 0.0 0.0 0.0 6.3 75.0 0 1959/60 0.0 0.0 0.0 12.0 25.0 28.0 0.0 0.0 20.0 0.0 15.0 0.0 8.3 100.0 0 1960/61 0.0 0.0 0.0 19.5 4.5 31.0 57.0 0.0 29.5 0.0 0.0 0.0 11.8 141.5 0 1961/62 0.0 0.0 0.0 15.5 64.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6.7 80.0 0 1962/63 13.5 0.0 0.0 154.0 35.5 43.5 39.0 15.1 0.0 0.0 36.0 0.0 28.0 336.6 0 1963/64 5.0 18.0 0.0 0.0 14.5 9.5 0.0 7.0 0.0 0.0 0.0 0.0 4.5 54.0 0 1964/65 0.0 0.0 0.0 56.0 13.5 18.5 21.5 0.0 0.0 0.0 0.0 15.5 10.4 125.0 0 1965/66 0.0 0.0 0.0 47.5 117.5 140.5 11.5 0.0 10.5 0.0 0.0 11.0 28.2 338.5 0 1966/67 4.5 0.0 44.5 11.0 32.7 109.5 0.0 14.0 0.0 0.0 0.0 0.0 18.0 216.2 0 1967/68 0.0 24.5 7.0 0.0 0.0 102.5 0.0 12.0 0.0 0.0 0.0 0.0 12.2 146.0 0 1968/69 0.0 23.5 0.0 0.0 80.0 64.5 0.0 0.0 0.0 0.0 0.0 0.0 14.0 168.0 0 1969/70 0.0 0.0 0.0 39.8 68.5 12.5 10.5 0.0 0.0 0.0 [ ] [ ] [13.1] [131.3] 61 1970/71 [ ] [ ] [ ] 54.0 73.5 8.5 3.0 0.0 0.0 0.0 7.0 0.0 [16.2] [146.0] 92 1971/72 0.0 0.0 0.0 188.0 17.0 151.5 50.5 0.0 0.0 0.0 0.0 0.0 33.9 407.0 0 1972/73 0.0 6.0 0.0 0.0 23.5 51.0 8.6 0.0 0.0 8.5 0.0 0.0 8.1 97.6 0 1973/74 12.0 7.5 50.0 137.7 120.5 61.0 67.5 0.0 0.0 0.0 0.0 0.0 38.0 456.2 0 1974/75 0.0 21.5 5.0 0.0 0.5 90.2A 3.5 3.5 1.5 1.0 0.5 0.0 10.6A 127.2A 0 1975/76 0.0 0.0 8.5 113.2 166.2 182.5 23.0 0.0 0.0 6.8 0.0 0.0 41.7 500.2 0 1976/77 28.0 0.0 1.1 5.5 182.5 9.5 52.5 1.0 3.5 0.0 0.0 0.0 23.6 283.6 0 1977/78 0.5 10.0 1.0 10.5 92.0 141.3 13.0 0.0 0.0 0.0 0.0 3.0 22.6 271.3 0 1978/79 0.0 8.5 0.0 47.0 23.0 9.0 6.0 1.0 20.0 1.5 0.0 34.0 12.5 150.0 0 1979/80 0.0 0.0 4.5 0.0 64.0 27.0 2.0 0.0 0.0 0.0 14.0 0.0 9.3 111.5 0 1980/81 0.0 0.0 12.0 0.0 35.0 3.0 1.5 0.0 10.5 0.0 5.0 0.0 5.6 67.0 0 1981/82 0.0 0.0 0.0 0.0 12.0 98.5 12.5 0.0 0.0 17.0 0.0 12.5 12.7 152.5 0 2673 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 0490132 Aruab Site 0490132.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 3.0 0.0 0.0 28.0 9.0 4.5 25.0 8.0 0.0 0.0 0.0 5.0 6.9 82.5 0 1983/84 1.0 31.5 33.5 0.0 8.5 143.5 15.0 0.0 0.0 0.0 0.0 0.0 19.4 233.0 0 1984/85 4.0 14.0 0.0 1.0 24.7 38.0 27.5 0.0 0.0 0.0 0.0 0.0 9.1 109.2 0 1985/86 8.5 23.0 14.0 16.0 10.0 49.0 52.0 11.5 4.5 0.0 2.0 0.0 15.9 190.5 0 1986/87 26.5 0.0 0.0 15.0 44.0 1.0 92.0 0.0 0.0 13.5 3.0 0.0 16.3 195.0 0 1987/88 0.0 0.0 0.0 0.0 56.5 41.0 27.0 0.0 14.5 0.0 3.5 0.0 11.9 142.5 0 1988/89 0.0 0.0 7.5 64.0 99.0 13.5 64.0 14.0 0.0 0.0 0.0 0.0 21.8 262.0 0 1989/90 0.0 0.0 0.0 35.5 21.0 50.5 27.0 1.0 7.0 3.0 0.0 0.0 12.1 145.0 0 1990/91 0.0 0.0 5.0 17.0 21.5 14.0 27.5 0.0 3.0 0.0 0.0 17.0 8.8 105.0 0 1991/92 0.0 0.0 32.1 8.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.0 4.1 49.6 0 1992/93 0.0 0.0 9.5 42.0 27.5 48.5 54.5 13.0 0.0 0.0 0.0 0.0 16.3 195.0 0 1993/94 0.0 5.0 4.5 36.5 45.5A 5.0A 16.5A 0.0 11.0A 16.0A 0.0 0.0 11.7A 140.0A 0 1994/95 0.0 1.5A 7.0A 0.0 46.0A 49.0A 0.0 2.0A 0.0 0.0 9.0A 5.0A 10.0A 119.5A 0 1995/96 0.0 1.5A 0.0 22.0A [ ] 3.5A [ ] 6.5A 0.0 1.3 0.0 7.0 [4.2] [41.8] 59 1996/97 0.0 38.5 0.0 61.0 67.0 3.5 0.0 9.0 0.0 0.0 0.0 0.0 14.9 179.0 0 1997/98 2.0 4.5 11.5 15.5 4.0 44.0 0.0 0.0 0.0 0.0 3.0 5.0 7.5 89.5 0 1998/99 0.0 0.0 3.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [1.0] [3.0] 273 1999/ 0 [ ] [ ] [ ] 65.7 105.0 118.1 0.0 0.0 0.0 0.0 0.0 [ ] [36.1] [288.8] 122 2000/ 1 5.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [5.0] [5.0] 334 2673 Tot Mean 3.1 8.7A 10.6A 29.6A 46.4A 44.4A 18.1A 4.9A 3.6A 2.1A 2.2A 2.5A [14.3] [164.4] Mean Med. 0.0 2.5A 5.0A 15.5A 31.9A 27.5A 8.5A 0.0A 0.0A 0.0A 0.0A 0.0A Med. Max 46.9 51.6A 81.5A 188.0A 182.5A 182.5A 92.0A 58.5A 38.1A 30.0A 45.1A 34.0A [41.7] [500.2] Max Min 0.0 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A 0.0A [0.5] [0.5] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 82 80 81 82 81 84 82 83 81 83 81 80 88 88 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded