Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0612818 Rohrbeck Site 0612818.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 1958/59 [ ] [ ] [ ] [ ] 94.5 19.0 5.5A 0.0 1.0 0.0 0.3 0.0 [15.0] [120.3] 123 1959/60 0.2 3.3 7.3 21.0 97.1 62.5 4.6 2.4 0.4 0.0 0.0 0.0 16.6 198.8 0 1960/61 0.0 17.1 0.0 16.9 27.0 27.0 16.0 16.6 24.3 0.0 0.0 0.0 12.1 144.9 0 1961/62 0.0 7.8 30.7 16.9 58.2 0.0 0.0 0.0 0.0 0.0 11.2 0.0 10.4 124.8 0 1962/63 10.7 6.2 1.6 178.0 8.8 17.4 92.7 10.2 1.7 0.0 0.0 0.0 27.3 327.3 0 1963/64 5.4 43.2 0.4 0.0 4.2 18.1 0.0 0.0 0.0 0.0 0.3 0.0 6.0 71.6 0 1964/65 1.6 14.4 29.1 17.0 60.6 24.7 62.7 0.0 0.0 0.0 0.0 2.8 17.7 212.9 0 1965/66 3.1 10.0 0.0 77.8 21.3 20.5 38.4 0.0 0.0 0.0 0.0 22.0 16.1 193.1 0 1966/67 16.2 0.0 23.9 86.5 49.9 43.9 17.8 25.9 0.0 0.0 0.0 0.0 22.0 264.1 0 1967/68 0.0 54.8 13.0 34.5 12.0 51.3 0.0 37.1 9.0 0.0 0.0 0.0 17.6 211.7 0 1968/69 21.0 29.5 5.0 7.6 30.3 10.9 17.0 11.9 0.0 0.0 0.0 0.0 11.1 133.2 0 1969/70 0.0 9.2 0.0 26.3 61.3 11.5 3.5 0.0 0.0 0.0 0.0 0.0 9.3 111.8 0 1970/71 5.0 0.0 9.1 26.0 46.3 21.8 6.5 1.4 1.7 0.0 0.0 0.0 9.8 117.8 0 1971/72 16.5 34.0 2.6 69.9 17.7 69.1 47.6 0.0 0.0 0.0 0.0 0.0 21.5 257.4 0 1972/73 0.0 29.7 0.0 9.8 116.8 86.6 16.6 0.0 0.0 0.0 1.0 0.0 21.7 260.5 0 1973/74 28.9 3.5 45.3 157.8 201.5 26.3 71.6 0.0 2.5 0.0 0.0 1.0 44.9 538.4 0 1974/75 14.5 11.0 13.6 6.7 8.5 44.7 0.9 0.0 0.0 0.0 0.0 0.0 8.3 99.9 0 1975/76 0.0 24.4 1.5 192.2A 65.3 105.3 18.0 8.0 1.0 0.0 0.8 0.0 34.7A 416.5A 0 1976/77 5.3 0.0 8.0 72.7 149.7 35.8 41.0 1.0 0.0 0.0 0.0 0.0 26.1 313.5 0 1977/78 3.1 9.6 15.0 45.8 140.3 53.8 20.0 0.0 0.0 0.0 0.0 13.0 25.0 300.6 0 1978/79 0.0 1.2 14.0 173.9 104.8 0.0 21.0 10.0 7.5 0.0 0.1 4.1 28.1 336.6 0 1979/80 1.2 21.0 13.3 11.9 34.8 86.4 0.0 0.0 0.0 0.0 0.4 6.5 14.6 175.5 0 1980/81 0.0 11.1 0.0 77.0 9.1 6.0 0.0 0.0 0.0 0.0 1.0 0.0 8.7 104.2 0 1981/82 0.0 0.0 3.5 18.7 16.4 12.0 15.0 11.4 0.0 0.0 0.0 9.1 7.2 86.1 0 1982/83 46.1 0.3 30.6 19.5 6.4 19.0 22.5 2.5 1.5 0.0 0.0 0.0 12.4 148.4 0 1983/84 10.7 39.0 48.2 4.3 26.5 36.6 25.1 10.5 0.0 0.0 0.0 0.0 16.7 200.9 0 1984/85 12.7 1.5 7.9 20.5 7.3 38.8 5.4 0.0 0.0 0.0 0.0 0.0 7.8 94.1 0 1985/86 0.0 [ ] [ ] 43.5 28.9 20.8 12.3 0.0 4.8 2.5 0.0 0.0 [11.3] [112.8] 61 1986/87 21.7 21.8 2.0 0.0 115.7 0.8 27.3 0.0 0.0 0.0 0.0 0.0 15.8 189.3 0 1987/88 24.3 17.4 3.0 77.0 78.0 27.8 29.7 5.5 0.0 0.0 0.0 0.0 21.9 262.7 0 1988/89 21.5 0.0 33.4 53.3 77.5 5.0 20.7 7.5 0.0 0.0 0.0 0.0 18.2 218.9 0 1989/90 0.0 0.0 0.0 37.2 8.0 37.8 0.0 0.0 0.0 0.0 0.0 0.0 6.9 83.0 0 1990/91 0.0 0.0 45.6 66.2 80.3 167.0 0.0 0.0 0.0 0.0 0.0 7.5 30.5 366.6 0 1991/92 15.2 7.0 71.4 0.0 19.1 31.2 0.0 0.0 0.0 0.0 0.0 0.0 12.0 143.9 0 1992/93 1.5 2.0 17.2 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [6.9] [20.7] 273 1948 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 0612818 Rohrbeck Site 0612818.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 1993/94 [ ] [ ] [ ] 44.5 41.5 0.0 8.4 0.0 1.7 0.0 0.0 0.0 [10.7] [96.1] 92 1994/95 0.0 2.6 3.7 0.6 12.4 47.7 1.2 9.1 0.0 0.0 0.0 0.0 6.4 77.3 0 1995/96 19.2 0.0 6.5 52.7 16.4 0.0 6.9 4.0 0.0 8.5 0.0 0.0 9.5 114.2 0 1996/97 0.0 7.2 51.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [19.4] [58.2] 273 1997/98 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1998/99 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1999/ 0 [ ] [ ] [ ] 99.0 202.3 89.4 33.5 0.0 0.0 0.0 0.0 0.0 [47.1] [424.2] 92 2000/ 1 6.8 0.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [3.4] [6.8] 304 1948 Tot Mean 8.2 11.9 15.5 50.4A 56.8 36.2 18.7A 4.6 1.5 0.3 0.4 1.7 [16.8] [188.8] Mean Med. 3.1 7.2 7.9 34.5A 38.1 26.6 15.5A 0.0 0.0 0.0 0.0 0.0 Med. Max 46.1 54.8 71.4 192.2A 202.3 167.0 92.7A 37.1 24.3 8.5 11.2 22.0 [47.1] [538.4] Max Min 0.0 0.0 0.0 0.0A 4.2 0.0 0.0A 0.0 0.0 0.0 0.0 0.0 [3.4] [6.8] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 38 37 36 37 38 38 38 38 38 38 38 38 41 41 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded