Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0279304 Velloor Site 0279304.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 1971/72 [ ] [ ] [ ] [ ] [ ] [ ] 4.3 0.0 0.0 0.0 0.0 0.5 [0.8] [4.8] 183 1972/73 0.0 0.0 0.0 0.0 62.4 58.0 35.7 0.0 0.0 10.7 0.0 0.0 13.9 166.8 0 1973/74 13.0 2.0 17.0 85.2 96.7 16.0 0.0 0.0 4.2 0.0 0.0 0.0 19.5 234.1 0 1974/75 0.0 7.4 5.3 49.0 8.1 103.6 7.4 10.2 0.0 7.0 0.0 0.0 16.5 198.0 0 1975/76 0.0 0.0 17.5 46.2 222.3 60.7 23.2 14.5 0.0 0.0 1.2 7.0 32.7 392.6 0 1976/77 5.0 0.0 13.5 0.0 65.4 26.5 46.0 0.0 0.0 0.0 0.0 0.0 13.0 156.4 0 1977/78 0.0 2.4 0.0 36.0 3.0 0.0 5.0 0.0 0.0 0.0 0.0 9.0 4.6 55.4 0 1978/79 0.0 16.5 11.5 10.5 8.0 0.0 7.0 0.0 3.0 36.5 0.0 0.0 7.8 93.0 0 1979/80 6.7 0.0 6.5 5.0 9.0 14.5 0.0 0.0 2.5 0.0 1.0 52.0 8.1 97.2 0 1980/81 0.0 0.0 0.0 0.0 75.0 8.0 0.0 0.0 0.0 0.0 20.0 0.0 8.6 103.0 0 1981/82 20.0 0.0 0.0 0.0 0.0 0.0 19.5 0.0 0.0 1.0 0.0 5.0A 3.8A 45.5A 0 1982/83 0.0 0.0 0.0 0.0 0.0 14.0 0.0 0.0 0.0 0.0 2.0 0.0 1.3 16.0 0 1983/84 0.0 29.9 8.0 0.0 4.0 14.5 22.5 0.5 0.5 0.0 0.0 0.0 6.7 79.9 0 1984/85 0.0 0.0 0.0 3.4 35.0 6.0 0.0 0.0 0.0 0.0 0.0 0.0 3.7 44.4 0 1985/86 42.5 54.0 9.5 2.0 0.0 40.0 20.0 0.0 23.0 0.0 0.0 0.0 15.9 191.0 0 1986/87 10.0 0.0 0.0 0.0 5.0 0.0 0.0 0.0 0.0 11.0 0.0 27.5 4.5 53.5 0 1987/88 0.0 11.0 0.0 0.0 7.0 38.5 0.0 0.0 0.0 0.0 0.0 0.0 4.7 56.5 0 1988/89 0.0 31.0 23.0 0.0 26.0 14.0 29.0 0.0 0.0 0.0 0.0 0.0 10.3 123.0 0 1989/90 0.0 0.0 0.0 14.0 0.0 0.0 68.5 0.0 0.0 0.0 0.0 0.0 6.9 82.5 0 1990/91 0.0 0.0 0.0 13.0 12.5 39.0 0.0 0.0 0.0 0.0 0.0 21.0 7.1 85.5 0 1991/92 12.5 0.0 0.0 0.0 0.0 15.0 0.0 0.0 0.0 0.0 0.0 0.0 2.3 27.5 0 1992/93 0.0 3.5 0.0 0.0 4.0 0.0 4.3 0.0 0.0 0.0 0.0 0.0 1.0 11.8 0 1993/94 10.0 9.0 0.0 28.5 22.0 24.0 0.0 0.0 0.0 0.0 0.0 0.0 7.8 93.5 0 1994/95 0.0 0.0 0.0 18.0 8.0 0.0 0.0 0.0 0.0 0.0 0.0 13.0 3.3 39.0 0 1995/96 6.5 13.5 34.5 4.0 6.0 0.0 0.0 0.0 0.0 41.0 0.0 0.0 8.8 105.5 0 1996/97 0.0 0.0 14.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [4.7] [14.0] 273 456 Tot Mean 5.0 7.2 6.4 13.1 28.3 20.5 11.7 1.0 1.3 4.3 1.0 5.4A [8.4] [98.9] Mean Med. 0.0 0.0 0.0 2.7 8.0 14.3 4.3 0.0 0.0 0.0 0.0 0.0A Med. Max 42.5 54.0 34.5 85.2 222.3 103.6 68.5 14.5 23.0 41.0 20.0 52.0A [32.7] [392.6] Max Min 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0A [0.8] [4.8] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 25 25 25 24 24 24 25 25 25 25 25 25 26 26 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded