Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0422257 Aroab Site 0422257.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 [ ] [ ] 13.0A 26.4A 17.0A 29.5A 30.0A 0.0 17.5A 0.0 0.0 6.9 [14.0] [140.3] 61 1913/14 19.3 26.7 1.0 36.5 6.9 58.4 0.3 4.4 1.3 0.0 [ ] [ ] [15.5] [154.8] 61 1914/15 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1915/16 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1916/17 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1917/18 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1918/19 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1919/20 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1920/21 [ ] 4.1 4.8 11.9 88.4 97.6 41.7 3.8 0.0 0.5 0.0 0.0 [23.0] [252.8] 31 1921/22 [ ] 47.5 33.8 52.1 3.3 0.8 0.0 23.1 0.0 0.0 0.0 0.0 [14.6] [160.6] 31 1922/23 0.0 20.9 2.0 17.0 122.5 59.2 21.4 15.5 0.0 0.0 0.0 0.0 21.5 258.5 0 1923/24 3.0A 19.8A 0.0 36.8A 6.1A 78.0A 18.5A 26.4 0.0 0.0 0.0 0.0 15.7A 188.6A 0 1924/25 0.0 0.0 9.6 12.4 100.0 75.5 62.6 22.3 25.6 0.0 0.0 1.3 25.8 309.3 0 1925/26 0.0 0.0 1.6 7.1 0.0 30.2 0.0 0.0 7.6 0.0 0.0 5.3 4.3 51.8 0 1926/27 1.0 19.6 17.5 14.2 0.0 31.3 12.2 0.0 0.0 0.0 0.0 0.0 8.0 95.8 0 1927/28 1.5 24.2 10.2 99.1 3.0 72.6 33.0 9.9 0.0 0.0 0.0 6.4 21.7 259.9 0 1928/29 0.0 7.1 0.0 18.5 7.6 78.6 13.2 6.1 1.5 0.0 2.8 4.1 11.6 139.5 0 1929/30 7.7 0.0 1.0 57.2 23.6 7.0 8.9 0.0 0.8 0.0 3.3 0.0 9.1 109.5 0 1930/31 0.0 3.6 0.0 30.7 21.1 23.4 0.0 0.0 0.0 5.9 0.0 0.0 7.1 84.7 0 1931/32 0.0 44.7 0.0 0.0 33.8 40.9 9.4 3.8 0.0 0.0 0.0 0.0 11.1 132.6 0 1932/33 23.9 0.0 2.8 10.7 4.0 1.3 2.3 2.0 3.8 0.0 0.0 0.0 4.2 50.8 0 1933/34 0.0 28.2 70.4 81.6 59.9 111.8 0.3 3.0 0.0 0.0 0.0 0.0 29.6 355.2 0 1934/35 16.8 59.7 11.4 7.9 2.8 12.7 39.7 5.3 3.0 0.0 0.0 2.0 13.4 161.3 0 1935/36 2.0 4.1 21.6 22.3 19.5 124.0 8.1 0.0 0.0 0.0 0.0 1.3 16.9 202.9 0 1936/37 3.3 0.0 30.0 45.4 57.7 2.5 3.0 0.0 0.0 0.0 0.0 0.0 11.8 141.9 0 1937/38 0.0 7.6 36.3 28.2 57.4 10.9 23.9 9.6 7.1 0.3 0.0 0.0 15.1 181.3 0 1938/39 0.0 45.5 28.6 21.0 127.0 14.2 59.7 3.0 14.5 15.0 0.0 0.0 27.4 328.5 0 1939/40 9.1 7.1 0.0 25.7 85.7 20.3 0.0 0.0 6.6 0.0 0.0 5.8 13.4 160.3 0 1940/41 0.0 26.9 0.0 73.1 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [25.0] [100.0] 242 1941/42 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1942/43 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1943/44 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1944/45 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1945/46 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1946/47 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 5753 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 0422257 Aroab Site 0422257.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 [ ] [ ] [ ] 68.8 34.0 3.5 32.0 0.0 0.0 0.0 0.0 0.0 [15.4] [138.3] 92 1948/49 0.0 25.4 12.7 8.4 19.8 12.3 76.8 0.0 6.4 0.0 24.2 0.0 15.5 186.0 0 1949/50 10.4 8.9 18.1 10.5 60.8 126.4 25.4 20.0 34.3 0.0 0.0 1.3 26.3 316.1 0 1950/51 5.1 13.2 8.9 7.6 28.4 1.5 0.0 7.4 0.0 0.0 0.0 0.0 6.0 72.1 0 1951/52 2.3 6.6 0.0 5.6 72.0 2.0 11.7 0.0 2.5 0.0 0.0 0.0 8.6 102.7 0 1952/53 10.4 28.7 0.0 0.0 17.1 22.9 30.0 0.0 0.0 0.0 7.6 0.0 9.7 116.7 0 1953/54 15.0 5.0 49.0 3.5 10.0 92.4 40.0 3.5 0.0 0.0 0.0 0.0 18.2 218.4 0 1954/55 0.0 18.7 4.5 96.0 53.6 42.7 11.5 19.5 10.2 0.0 0.0 0.0 21.4 256.7 0 1955/56 0.0 23.0 12.0 14.0 161.2 111.9 0.0 5.0 0.0 0.0 0.0 0.0 27.3 327.1 0 1956/57 2.7 7.4 0.0 22.7 11.5 32.7 0.0 2.5 0.0 0.0 0.0 12.3 7.6 91.8 0 1957/58 4.5 20.2 50.8 58.0 29.0 9.8 18.5 3.5 0.0 0.0 0.0 0.0 16.2 194.3 0 1958/59 0.0 0.0 7.8 24.0 14.9 9.5 12.0 4.3 0.0 0.0 0.0 0.0 6.0 72.5 0 1959/60 0.0 0.7 22.4 6.0 3.6 91.5 42.5 0.0 0.0 0.0 0.0 0.0 13.9 166.7 0 1960/61 0.0 18.0 12.0 18.0 21.0 15.5 32.0 10.5 36.0 0.0 0.0 0.0 13.6 163.0 0 1961/62 0.0 20.0 3.0 0.0 114.0 1.0 0.0 0.0 0.0 0.0 3.5 0.0 11.8 141.5 0 1962/63 0.0 18.5 10.5 103.0 13.0 33.5 84.5 35.0 0.0 0.0 0.0 0.0 24.8 298.0 0 1963/64 0.0 9.0 28.5 0.0 0.0 8.9 0.0 0.0 0.0 0.0 0.0 0.0 3.9 46.4 0 1964/65 0.0 0.0 24.2 47.0 5.0 88.5 16.5 0.0 0.0 0.0 0.0 7.1 15.7 188.3 0 1965/66 0.0 18.1 0.0 42.5 21.2 0.0 4.5 0.0 0.0 0.0 0.0 6.0 7.7 92.3 0 1966/67 32.8 0.0 8.0 34.5 11.5 23.0 64.5 41.5 0.0 0.0 0.0 0.0 18.0 215.8 0 1967/68 0.0 34.5 0.0 0.0 3.5 149.0 0.0 32.5 0.0 0.0 0.0 0.0 18.3 219.5 0 1968/69 0.0 0.0 20.0 60.0 28.0 9.5 26.0 0.0 0.0 0.0 0.0 0.0 12.0 143.5 0 1969/70 14.5 0.0 0.0 0.0 60.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6.2 74.5 0 1970/71 14.5 0.0 0.0 52.0 26.0 36.0 6.0 8.0 0.0 0.0 0.0 0.0 11.9 142.5 0 1971/72 0.0 3.0 0.0 62.5 44.5 61.5 38.0 0.0 0.0 0.0 0.0 0.0 17.5 209.5 0 1972/73 5.0 10.5 0.0 0.0 37.0 13.0 21.5 0.0 0.0 0.0 0.0 0.0 7.3 87.0 0 1973/74 15.0 0.0 0.0 197.5 163.9 21.0 22.3 3.5 0.0 0.0 0.0 0.0 35.3 423.2 0 1974/75 0.0 23.5 30.5 3.5 11.0 63.5 12.0 3.0 1.5 0.0 0.0 0.0 12.4 148.5 0 1975/76 0.0 1.5 38.5 142.7 73.0 136.0 25.8 15.0 0.0 0.0 0.0 0.0 36.0 432.5 0 1976/77 14.0 0.0 15.5 4.5 79.0 100.0 35.1 1.1 0.0 0.0 0.0 25.0 22.8 274.2 0 1977/78 11.0 2.5 1.5 51.5 11.5 41.0 1.4 0.0 0.0 0.0 4.5 0.0 10.4 124.9 0 1978/79 0.0 0.0 2.5 40.0 40.5 0.0 12.5 12.5 0.0 12.0 0.0 4.0 10.3 124.0 0 1979/80 0.0 25.0 9.0 0.0 77.5 55.0 9.0 0.0 0.0 0.0 3.0 0.0 14.9 178.5 0 1980/81 0.0 15.0 6.5 0.0 42.3 10.0 3.9 1.1 0.0 0.0 18.5 0.0 8.1 97.3 0 1981/82 17.5 0.0 0.0 0.0 50.0 1.5 14.5 0.0 3.2 0.0 0.0 0.0 7.2 86.7 0 5753 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 0422257 Aroab Site 0422257.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 13.0 3.5 6.5 40.5 6.0 16.0 0.0 3.5 3.0 0.0 0.0 0.0 7.7 92.0 0 1983/84 10.1 52.3 53.2 0.0 3.3 10.6 38.9 8.2 0.0 0.0 0.0 0.0 14.7 176.6 0 1984/85 15.9 8.3 0.0 7.5 25.0 58.3 0.0 0.0 0.0 0.0 0.0 3.0 9.8 118.0 0 1985/86 0.0 29.5 59.9 14.7 7.0 6.1 21.8 0.0 6.8 0.0 0.0 1.5 12.3 147.3 0 1986/87 2.0 4.7 0.0 0.0 48.2 26.4 5.2 0.0 0.0 0.0 0.0 13.5 8.3 100.0 0 1987/88 5.3 20.5 18.5 78.5 57.5 73.8 80.2 0.0 0.0 0.0 0.0 0.0 27.9 334.3 0 1988/89 12.0 13.8 32.6 80.5 85.7 17.3 35.0 0.0 0.0 0.0 0.0 0.0 23.1 276.9 0 1989/90 0.0 0.0 8.5 9.5 5.0 22.5 26.5 0.0 0.0 0.0 0.0 0.0 6.0 72.0 0 1990/91 2.0 4.5 8.5 34.5 55.5 30.6 0.0 0.0 0.0 0.0 0.0 7.0 11.9 142.6 0 1991/92 0.0 15.0 11.7 2.0 7.0 8.5 2.0 0.0 0.0 0.0 0.0 0.0 3.9 46.2 0 1992/93 6.5 27.0 0.0 32.5 24.0 30.2 33.5 0.0 0.0 0.0 0.0 0.0 12.8 153.7 0 1993/94 19.5 4.5 0.0 27.5 24.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6.3 76.0 0 1994/95 1.0 1.0 16.0 0.0 0.0 58.5 26.0 0.0 0.0 0.0 0.0 0.0 8.5 102.5 0 1995/96 2.0 11.0 21.0 10.0 11.5 20.5 0.0 0.0 0.0 0.0 0.0 0.0 6.3 76.0 0 1996/97 0.0 20.0 79.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [33.0] [99.0] 273 1997/98 [ ] [ ] [ ] 10.0 25.0 46.0 0.0 [ ] [ ] [ ] [ ] [ ] [20.3] [81.0] 245 1998/99 7.0 0.0 27.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.8 34.0 0 1999/ 0 0.0 0.0 0.0 110.0 82.0 112.0 4.0 0.0 0.0 0.0 0.0 [ ] [28.0] [308.0] 30 2000/ 1 [ ] 0.0 4.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [2.0] [4.0] 304 5753 Tot Mean 5.1A 13.1A 13.8A 31.7A 37.3A 39.8A 18.8A 5.2 2.6A 0.5 0.9 1.6 [14.6] [164.1] Mean Med. 1.0A 8.0A 8.5A 18.5A 24.2A 24.9A 12.1A 0.0 0.0A 0.0 0.0 0.0 Med. Max 32.8A 59.7A 79.0A 197.5A 163.9A 149.0A 84.5A 41.5 36.0A 15.0 24.2 25.0 [36.0] [432.5] 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 [2.0] [4.0] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 71 74 75 75 74 74 74 73 73 73 72 71 77 77 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded