Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0345896 Ai-Ais Site 0345896.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 1966/67 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 0.0 0.0 0.0 0.0 [0.0] [0.0] 243 1967/68 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.0] [0.0] 335 1968/69 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1969/70 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 5.0 0.0 [2.5] [5.0] 304 1970/71 [ ] [ ] [ ] [ ] [ ] 22.0 [ ] 4.5 0.0 0.0 0.0 0.0 [4.4] [26.5] 181 1971/72 0.0 [ ] [ ] 5.1 0.0 6.2 [ ] 0.0 0.0 0.8 0.0 0.0 [1.3] [12.1] 91 1972/73 0.0 0.0 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.0] [0.0] 273 1973/74 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1974/75 [ ] [ ] [ ] [ ] 0.0 0.0 0.0 0.0 0.0 10.0 0.0 0.0 [1.3] [10.0] 123 1975/76 0.0 0.0 0.0 31.4 95.0 34.0 37.5 0.0 0.0 0.0 0.0 0.0 16.5 197.9 0 1976/77 0.0 0.0 0.0 5.7 12.5 3.0 13.0 0.0 1.5 1.0 0.0 0.0 3.1 36.7 0 1977/78 0.0 0.0 0.0 0.0 46.6 0.0 7.5 0.0 0.0 0.0 0.0 0.0 4.5 54.1 0 1978/79 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.5 15.0 2.5 0.0 0.0 1.6 19.0 0 1979/80 0.0 0.0 0.0 0.0 0.0 0.0 0.0 [ ] [ ] [ ] [ ] [ ] [0.0] [0.0] 153 1980/81 [ ] [ ] [ ] 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6.5 0.0 [0.7] [6.5] 92 1981/82 0.0 0.0 0.0 0.0 0.0 2.8 23.0 0.0 0.0 0.0 0.0 0.0 2.2 25.8 0 1982/83 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 0.0 0.5 0 1983/84 0.0 0.0 0.0 0.0 0.0 12.0 0.0 14.9 0.0 0.0 0.0 0.0 2.2 26.9 0 1984/85 8.0 0.0 0.0 18.0 12.5 9.2 0.0 0.0 0.0 0.0 0.0 6.0 4.5 53.7 0 1985/86 5.8 9.0 6.0 0.0 0.0 17.5 29.8 1.3 2.0 0.0 0.0 0.0 5.9 71.4 0 1986/87 6.5 0.0 [ ] 0.0 0.0 0.0 10.0 13.5 0.0 9.5 1.2 1.5 [3.8] [42.2] 31 1987/88 38.0 2.5 0.0 3.4 1.5 26.3 3.5 0.0 0.0 0.0 5.0 0.0 6.7 80.2 0 1988/89 0.0 1.5 0.0 1.8 2.5 0.0 72.2 0.0 0.0 3.0 0.0 0.0 6.8 81.0 0 1989/90 0.0 3.5 0.0 3.0 0.0 0.0 6.5 0.0 4.0 0.0 0.0 0.0 1.4 17.0 0 1990/91 0.0 0.0 4.2 0.0 6.5 26.0 11.0 0.0 0.0 0.0 0.0 5.5 4.4 53.2 0 1991/92 8.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.7 8.0 0 1992/93 0.0 0.0 0.0 0.0 0.0 6.0 37.0 13.0 0.0 0.0 0.0 0.0 4.7 56.0 0 1993/94 2.0 7.0 0.0 14.0 0.0 0.0 0.0 0.0 0.0 6.0 0.0 0.0 2.4 29.0 0 1994/95 0.0 0.0 3.0 0.0 1.6 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.4 5.0 0 1995/96 0.0 3.9 7.0 [ ] 0.3 0.0 0.0 3.0 0.0 0.0 0.0 0.0 [1.3] [14.2] 31 1996/97 0.0 0.0 0.6 0.0 0.0 27.5 0.0 0.0 0.0 0.0 0.0 0.8 2.4 28.9 0 1997/98 0.0 0.0 0.0 [ ] [ ] 14.8 0.0 0.0 0.0 0.0 1.5 [ ] [1.8] [16.3] 89 1998/99 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 3041 Tot Mean 2.7 1.2 0.9 3.7 7.5 8.0 10.5 2.1 0.9 1.3 0.7 0.5 [2.9] [32.6] Mean Med. 0.0 0.0 0.0 0.0 0.0 1.6 0.0 0.0 0.0 0.0 0.0 0.0 Med. Max 38.0 9.0 7.0 31.4 95.0 34.0 72.2 14.9 15.0 10.0 6.5 6.0 [16.5] [197.9] 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 [0.0] [0.0] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 25 23 22 22 24 26 24 25 26 26 27 26 30 30 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... [ ] Data Not Recorded