Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0350151 Nimmerrust Site 0350151.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 1950/51 [ ] [ ] 12.7 3.1 10.0 4.6 0.0 4.8 0.8 0.0 0.0 0.0 [3.6] [36.0] 61 1951/52 5.3 12.5 0.0 0.0 77.8 0.0 14.5 2.5 0.0 0.0 0.0 0.0 9.4 112.6 0 1952/53 7.1 26.0 7.4 5.8 68.9 54.4 39.6 0.0 0.0 0.0 2.1 0.0 17.6 211.3 0 1953/54 4.4 28.0 48.9 0.0 6.0 96.0 21.0 0.0 0.0 0.0 0.0 0.0 17.0 204.3 0 1954/55 0.0 36.0 1.5 95.0 16.5 22.0 37.0 2.2 26.0 0.1 0.0 0.0 19.7 236.3 0 1955/56 36.0A 34.0 8.7 42.0 69.0 70.0 26.5 0.0 0.0 0.0 0.0 0.0 23.9A 286.2A 0 1956/57 [ ] 1.2 8.2 23.5 17.0 79.0 1.0 0.2 0.0 0.0 0.0 5.5 [12.3] [135.6] 31 1957/58 0.0 0.0 45.0 56.0 25.0 0.0 21.0 0.0 0.0 0.0 0.0 0.0 12.3 147.0 0 1958/59 0.0 0.0 11.0 19.0 10.7 1.6 0.0 0.0 10.0 0.0 0.0 0.0 4.4 52.3 0 1959/60 0.0 9.1 63.5 4.8 3.6 112.5 4.5 0.0 1.0 0.0 0.0 3.0 16.8 202.0 0 1960/61 0.0 8.0 16.0 26.0 6.3 18.0 37.0 2.0 53.5 0.4 0.0 0.0 13.9 167.2 0 1961/62 0.0 9.5 0.0 14.6 83.8 13.5 0.0 0.0 0.0 0.0 7.1 0.0 10.7 128.5 0 1962/63 0.0 5.0 0.0 68.6 12.0 62.7 50.5 19.5 0.1 0.0 0.0 3.6 18.5 222.0 0 1963/64 12.2 10.0 7.5 0.0 11.0 0.5 0.0 8.0 0.0 0.0 3.5 2.0 4.6 54.7 0 1964/65 18.0 0.1 12.5 1.5 19.1 53.6 46.8 0.0 0.0 0.0 0.0 7.0 13.2 158.6 0 1965/66 0.0 7.5 0.0 22.0 3.0 8.0 1.8 [ ] [ ] [ ] [ ] [ ] [6.0] [42.3] 153 1966/67 [ ] [ ] [ ] [ ] [ ] [ ] 14.7 25.8 0.3 0.0 0.0 0.0 [6.8] [40.8] 182 1967/68 0.0 25.0 0.0 0.0 0.0 97.0 0.0 43.0 0.1 0.0 0.0 0.0 13.8 165.1 0 1968/69 9.8 33.5 4.0 3.5 90.5 20.0 32.0 2.1 0.0 0.0 0.0 0.0 16.3 195.4 0 1969/70 0.0 13.6 6.0 9.0 36.0 8.0 42.0 4.0 4.0 0.0 18.0 0.0 11.7 140.6 0 1970/71 22.1 0.0 18.1 0.0 48.5 24.0 8.5 6.0 3.0A 5.5 0.0 0.0 11.3A 135.7A 0 1971/72 8.0 0.0 0.0 72.5 10.0 75.5 27.9 0.0 0.0 0.0 0.0 0.0 16.2 193.9 0 1972/73 0.0 0.0 0.0 0.0 24.0 17.0 78.0 0.0 0.2 4.2 0.0 0.0 10.3 123.4 0 1973/74 16.5 0.0 35.5 109.5 118.0A 43.0 28.0 4.5 0.0 0.0 0.2 0.0 29.6A 355.2A 0 1974/75 2.0 15.0 32.5 29.0 2.0 68.5 2.0 6.0 8.5 3.8 0.0 0.0 14.1 169.3 0 1975/76 0.0 5.0 33.0 131.0 111.0 64.0 19.0A 9.6 9.0 0.0 0.0 0.0 31.8A 381.6A 0 1976/77 8.5 0.0 2.0 0.0 63.8 17.0 37.0 0.0 0.0 0.0 0.0 5.7 11.2 134.0 0 1977/78 0.0 0.0 0.0 11.5 25.0 20.4 8.0 0.0 0.0 0.0 2.5 8.7 6.3 76.1 0 1978/79 0.0 3.0 3.0 16.1 16.2 0.0 39.0 6.5 4.8 19.0 2.0 1.8 9.3 111.4 0 1979/80 2.5 9.5 10.1 0.0 18.2 66.8 6.6 0.0 0.0 0.0 6.0 0.2 10.0 119.9 0 1980/81 13.0 0.5 14.1 0.0 63.6 9.6 0.7 2.0 1.0 0.0 6.6 0.0 9.3 111.1 0 1981/82 19.5 0.0 0.1 0.0 14.2 0.0 53.6 0.0 1.1 4.5 0.0 0.0 7.8 93.0 0 1982/83 3.7 0.0 2.5 13.6 6.5 12.0 1.6 3.0 9.9 0.0 0.0 2.0 4.6 54.8 0 1983/84 2.2 20.2 57.3 0.0 0.0 36.3 9.8 0.5 0.0 0.0 0.0 0.0 10.5 126.3 0 1984/85 5.5 13.5 3.1 12.2 6.4 5.7 4.3 0.5 0.0 0.0 0.0 1.5 4.4 52.7 0 730 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 0350151 Nimmerrust Site 0350151.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 1985/86 17.3 73.7 24.2 43.0 23.5 25.2 25.3 6.0 0.6 0.0 0.0 1.3 20.0 240.1 0 1986/87 8.0 2.8 0.0 0.0 16.3 13.1 17.5 1.0 0.0 0.0 0.0 11.2 5.8 69.9 0 1987/88 10.0 7.3 6.9 13.9 123.4 46.2 79.0A 1.6 0.0 0.0 0.0 0.0 24.0A 288.3A 0 1988/89 0.0 17.5 24.5 2.0 30.7 9.5 38.5 0.0 0.0 0.0 0.0 0.0 10.2 122.7 0 1989/90 0.0 0.0 0.0 18.0 13.7 46.5 19.0 0.0 0.0 0.0 0.0 0.0 8.1 97.2 0 1990/91 7.0 0.0 18.5 16.0 22.5 44.5 2.0 0.0 0.0 0.0 0.0 20.2 10.9 130.7 0 1991/92 11.7 22.3 32.0 0.0 11.0 7.4 0.0 0.0 0.0 0.0 0.0 0.0 7.0 84.4 0 1992/93 19.5 0.0 0.0 6.0 0.0 11.5 20.5 0.0 4.5 6.5 0.0 0.0 5.7 68.5 0 1993/94 17.5 6.0 0.0 36.5 21.5 18.5 0.0 0.0 0.0 0.0 0.0 0.0 8.3 100.0 0 1994/95 0.0 10.3 0.0 19.0 10.0 10.5 0.0 2.2 0.0 0.0 0.0 0.0 4.3 52.0 0 1995/96 0.0 16.5 64.9 43.0 0.0 14.5 3.5 0.0 0.0 25.0 0.0 0.0 14.0 167.4 0 1996/97 7.0 [ ] 24.0 28.0 0.0 24.0 0.0 0.0 0.0 0.0 0.0 0.0 [7.5] [83.0] 30 1997/98 11.5 0.0 0.0 8.0 16.7 0.0 0.0 0.0 0.0 0.0 3.3 31.5 5.9 71.0 0 1998/99 0.0 0.0 15.5 40.5 1.0 13.0 16.8 5.3 0.0 0.0 0.0 0.0 7.7 92.1 0 1999/ 0 12.0 0.0 65.7 21.0 45.0 172.6 52.8 0.0 0.0 0.0 0.0 8.5 31.5 377.6 0 2000/ 1 3.0 0.0 8.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [3.7] [11.0] 273 730 Tot Mean 6.7A 10.0 15.0 22.1 29.2A 33.4 19.8A 3.4 2.8A 1.4 1.0 2.3 [12.0] [141.8] Mean Med. 4.0A 5.5 7.8 13.6 16.5A 18.5 15.8A 0.2 0.0A 0.0 0.0 0.0 Med. Max 36.0A 73.7 65.7 131.0 123.4A 172.6 79.0A 43.0 53.5A 25.0 18.0 31.5 [31.8] [381.6] Max Min 0.0A 0.0 0.0 0.0 0.0A 0.0 0.0A 0.0 0.0A 0.0 0.0 0.0 [3.6] [11.0] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 48 48 50 49 49 49 50 49 49 49 49 49 51 51 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded