Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0273754 Oranjemund Site 0273754.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 1.0 [0.5] [1.0] 305 1948/49 1.3 0.0 0.3 2.5 0.0 1.3 0.0 3.6 2.3 0.0 0.0 3.6 1.2 14.9 0 1949/50 0.0 1.0 0.0 0.0 0.0 4.8 16.0 16.2 0.0 33.5 0.0 29.3 8.4 100.8 0 1950/51 3.6 10.7 0.0 2.3 0.0 0.5 0.5 9.4 25.3 6.3 17.5 3.8 6.7 79.9 0 1951/52 1.6 1.4 1.9 2.2 3.1 0.0 1.6 2.4 3.3 22.4 5.1 2.0 3.9 47.0 0 1952/53 1.8 8.6 0.5 0.5 25.2 1.0 10.5 21.3 1.5 7.0 7.0 0.0 7.1 84.9 0 1953/54 4.0 0.0 14.5 0.0 1.3 11.3 11.2 42.3 0.0 2.0 3.5 0.5 7.6 90.6 0 1954/55 2.0 2.8 0.0 0.5 2.5 2.9 2.5 0.4 1.4 8.7 10.7 0.0 2.9 34.4 0 1955/56 1.9 17.0 0.0 0.0 0.7 41.7 1.6 2.1 2.0 1.7 1.4 0.5 5.9 70.6 0 1956/57 4.5 0.0 0.0 0.0 0.0 1.2 1.6 11.5 6.7 5.0 17.2 4.5 4.4 52.2 0 1957/58 0.1 0.0 1.2 0.9 0.4 0.0 0.6 15.5 2.7 0.0 0.0 0.0 1.8 21.4 0 1958/59 0.0 0.0 8.0 0.0 0.0 0.0 2.0 40.0 0.0 0.0 8.5 1.0 5.0 59.5 0 1959/60 0.0 0.0 1.5 0.2 0.3 0.0 1.5 2.0 4.0 1.5 2.0 0.0 1.1 13.0 0 1960/61 1.2 0.0 0.0 0.3 0.0 0.5 3.3 25.5 39.9 2.0 3.5 0.8 6.4 77.0 0 1961/62 1.8 0.0 0.0 0.0 0.0 0.0 3.9 0.0 7.0 4.0 39.4 5.0 5.1 61.1 0 1962/63 1.0 6.5 0.0 3.5 0.0 0.0 3.8 5.7 26.8 0.2 28.9 1.6 6.5 78.0 0 1963/64 0.0 2.0 0.0 0.0 0.0 0.0 4.0 0.3 29.5 0.0 4.5 4.0 3.7 44.3 0 1964/65 0.0 0.0 0.0 0.0 0.0 0.0 7.4 0.0 0.0 8.5 6.3 10.5 2.7 32.7 0 1965/66 15.0 0.7 2.5 0.0 0.0 0.0 2.5 0.0 0.0 2.5 0.0 9.5 2.7 32.7 0 1966/67 1.2 0.0 0.0 0.0 0.0 18.7 1.1 0.9 9.0 1.5 0.0 0.0 2.7 32.4 0 1967/68 0.0 0.0 0.0 0.0 0.5 1.4 1.4 0.0 4.5 6.5 0.0 8.0 1.9 22.3 0 1968/69 0.0 0.0 0.0 0.0 4.5 0.0 5.5 0.0 0.0 0.0 0.0 1.2 0.9 11.2 0 1969/70 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.0 25.0 0.0 2.4 29.0 0 1970/71 0.0 0.0 3.0 0.0 0.0 0.0 0.0 0.0 0.0 4.2 10.4 0.0 1.5 17.6 0 1971/72 0.0 0.0 0.0 0.0 4.0 0.0 0.0 0.0 0.0 0.0 0.0 4.5 0.7 8.5 0 1972/73 2.5 0.0 1.6 0.0 1.9 0.0 0.0 0.6 0.0 18.5 6.5 1.0 2.7 32.6 0 1973/74 0.0 4.5 14.5 3.0 12.5 0.0 6.0 0.0 9.0 0.0 10.0 0.0 5.0 59.5 0 1974/75 0.0 0.0 0.0 0.0 0.0 0.0 0.0 16.0 0.0 0.0 0.0 0.0 1.3 16.0 0 1975/76 0.0 0.0 0.0 0.0 22.0 0.0 0.0 0.0 0.0 0.0 2.1 0.1 2.0 24.2 0 1976/77 20.5 11.2 4.5 0.6 3.3 1.0 20.9 6.5 15.3 5.2 6.4 2.0 8.1 97.4 0 1977/78 9.6 1.3 1.2 3.4 3.8 10.9 3.9 0.7 0.2 0.3 4.2 0.0 3.3 39.5 0 1978/79 0.1 8.7 3.4 2.4 1.4 0.8 0.0 5.5 2.9 0.3 3.1 0.7 2.4 29.3 0 1979/80 0.9 3.0 0.1 2.2 1.9 0.6 0.1 6.5 11.7 31.7 3.1 0.0 5.2 61.8 0 1980/81 0.0 3.1 6.7 0.3 8.0 7.8 0.3 0.0 5.9 13.2 15.9 4.3 5.5 65.5 0 1981/82 36.9 0.0 0.0 0.0 0.6 28.3 13.3 0.9 16.1 17.2 0.0 8.7 10.2 122.0 0 578 Tot ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... [ ] Data Not Recorded Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0273754 Oranjemund Site 0273754.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 4.6 0.9 0.0 0.0 0.0 3.7 0.0 46.1 10.0 3.5 0.0 25.5 7.9 94.3 0 1983/84 14.8 2.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.4 16.9 0 1984/85 0.0 0.0 0.0 7.0 4.1 3.0 1.0 4.9 0.0 6.1 3.0 2.5 2.6 31.6 0 1985/86 2.6 5.5 24.0 0.0 0.0 3.0 0.0 18.0 32.1 1.5 4.8 1.8 7.8 93.3 0 1986/87 13.5 0.0 0.0 0.0 3.0 1.5 12.5 1.0 6.0 12.5 3.7 3.4 4.8 57.1 0 1987/88 0.0 0.0 0.5 1.0 0.0 9.5 6.5 0.0 5.0 11.0 3.5 4.5 3.5 41.5 0 1988/89 1.0 0.0 0.0 0.0 1.0 2.5 21.0 8.0 3.0 26.5 1.0 5.0 5.8 69.0 0 1989/90 1.5 13.0 1.0 0.0 0.5 0.0 2.0 7.5 9.0 4.0 0.0 0.0 3.2 38.5 0 1990/91 0.0 0.0 1.0 0.1 0.0 0.0 7.5 3.0 5.0 12.0 0.0 9.0 3.1 37.6 0 1991/92 12.0 3.0 0.0 1.5 13.5 0.0 6.0 1.5 6.0 5.5 1.0 0.0 4.2 50.0 0 1992/93 0.0 0.0 4.5 0.0 0.0 0.0 14.0 44.0 8.5 1.0 3.5 0.0 6.3 75.5 0 1993/94 0.0 0.0 0.0 5.0 0.0 0.0 3.0 0.5 19.0 12.0 0.0 0.0 3.3 39.5 0 1994/95 4.5 0.0 0.0 12.0 2.0 1.5 0.0 10.0 0.5 6.0 6.5 16.5 5.0 59.5 0 1995/96 5.5 5.0 0.0 2.0 0.0 8.0 0.0 6.0 2.0 21.0 6.0 14.1 5.8 69.6 0 1996/97 4.5 14.0 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [6.2] [18.5] 273 578 Tot Mean 3.6 2.6 2.0 1.1 2.5 3.5 4.2 8.0 6.9 6.9 5.6 3.9 [4.2] [49.1] Mean Med. 1.2 0.0 0.0 0.0 0.3 0.5 1.8 2.3 3.2 4.0 3.5 1.2 Med. Max 36.9 17.0 24.0 12.0 25.2 41.7 21.0 46.1 39.9 33.5 39.4 29.3 [10.2] [122.0] Max Min 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 [0.5] [1.0] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 49 49 49 48 48 48 48 48 48 48 49 49 50 50 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... [ ] Data Not Recorded