Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0380519 Rooiberg Site 0380519.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 1951/52 [ ] [ ] [ ] [ ] [ ] [ ] 2.5 0.0 2.5 12.3 0.5 0.0 [3.0] [17.8] 183 1952/53 10.2 57.4 0.0 7.6 70.7 3.9 35.7 11.5 0.0 0.0 6.0 0.0 16.9 203.0 0 1953/54 0.0 5.5 39.7 36.5 13.1 134.9 0.0 27.5 0.0 16.0 0.0 0.0 22.8 273.2 0 1954/55 0.0 12.0 0.0 0.0 1.7 21.5 2.5 0.0 0.0 5.7 0.0 0.0 3.6 43.4 0 1955/56 6.1 23.5 6.7 12.5 30.0 47.1 11.0 13.0 5.5 2.0 0.0 0.0 13.1 157.4 0 1956/57 0.0 0.0 0.0 13.5 0.0 36.0A 2.5 0.0 13.0 0.0 7.0 0.0 6.0A 72.0A 0 1957/58 0.0 15.0 15.0 0.0 0.0 3.5 7.0 4.5 0.0 0.0 0.0 0.0 3.8 45.0 0 1958/59 0.0 0.0 39.0 0.0 7.0 0.0 6.0 23.0 7.0 7.0 1.5 0.0 7.5 90.5 0 1959/60 0.0 7.0 0.0 9.0 8.7 48.5 1.0 0.0 17.5 5.0 7.0 0.0 8.6 103.7 0 1960/61 0.0 0.0 5.4 23.0 7.0 21.6 7.0 0.0 11.5 0.0 0.0 0.0 6.3 75.5 0 1961/62 0.0 0.0 0.0 0.0 11.0 0.0 0.0 0.0 7.5 0.0 28.0 0.0 3.9 46.5 0 1962/63 9.0 0.0 0.0 55.5 0.0 0.0 0.0 22.0 12.0 3.5 13.0 1.3 9.7 116.3 0 1963/64 0.0 66.5 0.0 0.0 0.0 0.0 0.0 0.0 13.6 4.5 5.0 0.0 7.5 89.6 0 1964/65 0.0 0.0 21.5 6.0 0.0 9.5 24.5 0.0 0.0 10.5 0.0 0.0 6.0 72.0 0 1965/66 0.0 0.0 0.0 24.0 0.0 6.0 56.0 0.0 0.0 0.0 6.0 31.1 10.3 123.1 0 1966/67 6.0 0.0 50.8 2.0 20.5 73.5 0.0 27.5 18.5 0.1A 0.0 0.0 16.6A 198.9A 0 1967/68 0.0 24.0 18.0 11.0 0.0 57.5 0.0 2.0 0.0 0.0 0.0 3.0 9.6 115.5 0 1968/69 4.0 12.5 0.0 0.0 33.0 64.0 0.0 0.0 2.5 2.5 0.0 8.5 10.6 127.0 0 1969/70 0.0 0.0 0.0 16.5 15.0 5.5 1.0 0.0 0.0 12.0 8.5 0.0 4.9 58.5 0 1970/71 8.0 0.0 0.0 23.0 21.8 19.7 2.0 3.3 0.0 3.0 0.0 0.0 6.7 80.8 0 1971/72 0.0 0.0 0.0 80.3 0.0 66.0A 18.0 0.0 0.0 3.0 0.8 0.0 14.0A 168.1A 0 1972/73 0.0 0.0 0.0 0.0 41.5 10.5 0.0 0.0 0.0 9.5 3.5 0.0 5.4 65.0 0 1973/74 9.0 0.0 48.2 73.0 85.5 76.5 33.0 0.0 8.5 0.0 11.5 0.0 28.8 345.2 0 1974/75 0.0 7.4 16.0 0.0 5.5 74.0 0.0 15.5 0.0 4.0 0.0 17.0 11.6 139.4 0 1975/76 0.0 0.0 40.0 67.0 91.5 97.5 37.5 0.0 13.5 6.0 0.0 0.0 29.4 353.0 0 1976/77 8.0 0.0 0.0 8.0 19.5 11.0 46.0 4.5 7.5 0.0 0.0 0.0 8.7 104.5 0 1977/78 3.5 0.0 2.5 4.5 85.5 54.5 8.5 0.0 0.0 0.0 0.0 7.5 13.9 166.5 0 1978/79 0.0 8.5 0.0 40.5 36.0 0.0 5.5 14.5 18.0 6.0 3.0 24.0 13.0 156.0 0 1979/80 8.5 0.0 6.5 0.0 19.5 16.0 8.0 0.0 4.0 0.0 0.0 0.0 5.2 62.5 0 1980/81 6.5 14.5 0.0 0.0 0.0 24.5 0.0 0.0 6.0 0.0 16.8 0.0 5.7 68.3 0 1981/82 5.0 0.0 0.0 0.0 0.0 30.0 14.5 0.0 11.0 7.0 4.5 [ ] [6.5] [72.0] 30 213 Tot Mean 2.8 8.5 10.3 17.1 20.8 33.8A 10.6 5.4 5.8 3.9A 4.0 3.1 [10.3] [122.9] Mean Med. 0.0 0.0 0.0 7.8 9.8 21.6A 2.5 0.0 4.0 3.0A 0.5 0.0 Med. Max 10.2 66.5 50.8 80.3 91.5 134.9A 56.0 27.5 18.5 16.0A 28.0 31.1 [29.4] [353.0] Max Min 0.0 0.0 0.0 0.0 0.0 0.0A 0.0 0.0 0.0 0.0A 0.0 0.0 [3.0] [17.8] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 30 30 30 30 30 30 31 31 31 31 31 30 31 31 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded