Department of Water Affairs HYMONTH V93 Output 30/08/2010 Site D3E001 Goodhope @ Gariep Dam Site D3E001 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 1963/64 [ ]M [ ]M [ ]M [ ]M [ ]M 11.7 [ ]M [ ]M [ ]M [ ]M 8.4 [ ]M [10.0] [20.1] 304 1964/65 29.0 52.8 [ ]M 53.3 45.5 [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M 31.8 [42.5] [212.4] 215 1965/66 [ ]M [ ]M 19.0 43.9 51.9 6.7 5.1 11.4 18.5& 0.0& 15.2 19.0 [19.1] [190.8] 61 1966/67 111.8 34.8 83.7 0.0 209.8 74.2 175.8 144.3 18.8& 0.0& 29.2& 0.0& 73.5& 882.3& 0 1967/68 96.5 69.9 17.8 50.8 3.1 73.0 72.0 52.1& 0.0& 0.0& 1.0 6.7 36.9& 442.8& 0 1968/69 37.0 3.5 60.0 0.9 44.3 73.4 56.3 27.6 6.0 0.7& 0.0& 6.5 26.3& 316.2& 0 1969/70 50.2 10.5 1.1 36.8 24.0 0.4 18.3 14.1 48.0 30.9 8.5 1.3 20.3 244.1 0 1970/71 44.3 4.0 45.0 50.5 76.3 49.3 97.8 40.7 6.5 6.2 4.5 0.6 35.5 425.7 0 1971/72 111.2 17.5 55.5 82.8 92.0 167.6& 24.5& 0.0& 6.3& 0.0& 0.0& 6.0 47.0& 563.4& 0 1972/73 33.3 10.0& 0.0& 2.5 40.2 32.7 58.3 24.5& 0.0& 5.6 18.2 3.9 19.1& 229.2& 0 1973/74 3.9 33.5 98.0 141.3 226.0 210.3 33.7 86.4 12.6 2.0 115.5& 0.0& 80.3& 963.2& 0 1974/75 9.8 51.5 17.9 52.9& 48.1& 90.7& 56.9& 1.3& 16.3& 16.0& 0.0& 16.3& 31.5& 377.7& 0 1975/76 0.0& 48.0& 68.6& 115.8& 129.8& 229.4& 96.5& 27.2& 6.1& 9.7& 0.5& 48.0& 65.0& 779.6& 0 1976/77 61.7& 42.2& 33.0& 19.3& 85.9& 107.2& 19.6& 27.2& 14.0& 0.0& 0.0& 22.1& 36.0& 432.2& 0 1977/78 45.7& 35.3& 56.4& 52.8& 25.9& 85.6& 63.8& 0.0& 5.0& 2.5& 17.5& 36.8& 35.6& 427.3& 0 1978/79 47.2& 7.6& 53.8& 40.6& 69.3 6.9 24.7 61.6 8.2 27.8 37.0 3.9 32.4& 388.6& 0 1979/80 26.8 25.0 12.0 39.5 105.9 36.8 10.0& 0.0& 5.1 2.5 23.4 16.1& 25.3& 303.1& 0 1980/81 0.0& 41.1 53.1 70.8 127.9 64.4 7.0 48.5 18.0 1.2 109.3 0.0& 45.1& 541.3& 0 1981/82 13.8 22.5 81.7 27.5 33.4 54.5 42.0& 0.0& 25.6 42.0 0.5 21.5 30.4& 365.0& 0 1982/83 35.6 47.6 8.5 8.7 0.0& 64.8 12.0 33.0 15.3 44.5& 0.0& 39.0 25.7& 309.0& 0 1983/84 14.0 62.5 63.5 29.0 1.6 39.0 41.7 18.6 2.0& 0.0& 62.0 0.0 27.8& 333.9& 0 1984/85 73.9 19.0& 0.0& 35.3 78.4 31.0 7.4& 0.0& 0.9& 0.0& 0.0& 0.3 20.5& 246.2& 0 1985/86 85.6 94.5 131.0 91.7 22.0 18.7 12.5& 0.0& 11.0 2.8 28.0 19.0 43.1& 516.8& 0 1986/87 76.1 96.5 7.0& 0.0& 68.6 19.4 14.6 1.3 39.5 29.2 13.0 84.0 37.4& 449.2& 0 1987/88 18.2 71.5 14.0 10.0 321.7 134.2 85.5 17.0 31.0 3.0& 0.0& 57.0 63.6& 763.1& 0 1988/89 25.3 34.1 76.7 90.6 106.7 22.4 59.0 17.0 6.0 2.5 3.0 2.5 37.2 445.8 0 1989/90 4.5 54.5 13.5 59.8 78.6 89.3 66.1 7.0 43.8 10.1 11.6& 0.0& 36.6& 438.8& 0 1990/91 15.6 12.6 33.2 237.0 60.5 117.9 0.1& 0.0& 23.0& 0.0& 0.0& 33.3 44.4& 533.2& 0 1991/92 157.3 37.0 52.5 2.0 6.1 66.9 1.5& 0.0& 6.0 6.5 48.0& 0.0& 32.0& 383.8& 0 1992/93 46.2 50.0& 0.0& 13.5 65.0 33.2 68.8 6.0 7.5 10.1 5.5 0.0& 25.5& 305.8& 0 1993/94 72.0 57.9 146.0 103.5 70.5 52.5 3.0 0.0& 0.3 6.1& 0.0& 0.2 42.7& 512.0& 0 1994/95 0.6 16.0 2.0 17.1 24.1 49.1 7.5 26.1& 0.0& 0.0& 0.6 14.5 13.1& 157.6& 0 1995/96 6.3 46.3 112.7 51.4 44.2 35.4 29.1 5.0 3.1 16.0 6.0 2.2 29.8 357.7 0 1996/97 5.2 88.6 56.7 68.4 30.6 90.9 56.4 63.5 17.7 10.8 3.2& 0.0& 41.0& 492.0& 0 1997/98 16.0 4.5 5.7 11.5 55.2 79.0 20.5 18.5 3.0& 0.0& 14.0 12.0 20.0& 239.9& 0 672 Tot ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... & ... Monthly Reading M ... Missing Data Q ... Data Not Audited Department of Water Affairs HYMONTH V93 Output 30/08/2010 Site D3E001 Goodhope @ Gariep Dam Site D3E001 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 1998/99 26.5 123.5 30.5 18.1 4.0 24.0 32.0 36.0& 0.0& 3.0& 0.0& 4.5 25.2& 302.1& 0 1999/ 0 27.0 8.0 89.9 65.2 56.5 98.0 66.0 6.5 12.5 3.0 3.6 64.8 41.7 501.0 0 2000/ 1 11.0 22.6 30.0 6.5 28.0 46.5 121.2 40.0 8.0 6.5 0.5 83.5 33.7 404.3 0 2001/ 2 30.0 158.0 177.5 178.7 23.0 24.1 19.0 23.0 43.0 2.5 121.5 24.3 68.7 824.6 0 2002/ 3 3.0 25.5 85.0 4.7 52.0 38.5 26.5 34.5 0.0 0.0 7.1 23.6 25.0 300.4 0 2003/ 4 15.9 41.8 12.0 53.0 80.5 86.0 92.0 1.8 2.1 6.5 4.0 94.0 40.8 489.6 0 2004/ 5 35.0 16.0 76.0 57.5 49.5 22.0 27.5 35.0 33.0 1.0 17.5 0.0 30.8 370.0 0 2005/ 6 17.5 28.0 31.6 155.0 189.0 103.0 71.5 21.5 4.0 23.0 86.5 0.3 60.9 730.9 0 2006/ 7 30.0 21.0 18.5 49.0 12.0 55.0 55.5 1.0 16.0 6.0 5.0 5.3 22.9 274.3 0 2007/ 8 29.0 38.5 179.5 50.5 88.0 17.0 35.5 67.5 46.0 0.7 7.6 0.0 46.6 559.8 0 2008/ 9 11.0 27.5 28.5 49.5 151.5 26.0 23.5 34.5 49.5 8.0 7.5 0.0 34.8 417.0 0 2009/10 94.0 57.5 9.5 121.0 101.5 88.0Q 105.5Q 7.5Q 3.5Q [ ]M [ ]M [ ]M [65.3] [588.0] 92 672 Tot Mean 37.9& 41.6& 50.0& 54.8& 71.9& 64.1& 45.0& 24.2& 14.3& 7.9& 18.8& 17.9& [37.2] [433.0] Mean Med. 29.0& 35.3& 33.2& 50.0& 55.9& 53.5& 33.7& 18.5& 8.0& 3.0& 6.0& 6.0& Med. Max 157.3& 158.0& 179.5& 237.0& 321.7& 229.4& 175.8& 144.3& 49.5& 44.5& 121.5& 94.0& [80.3] [963.2] Max Min 0.0& 3.5& 0.0& 0.0& 0.0& 0.4& 0.1& 0.0& 0.0& 0.0& 0.0& 0.0& [10.0] [20.1] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 45 45 45 46 46 46 45 45 45 44 45 45 47 47 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... & ... Monthly Reading M ... Missing Data Q ... Data Not Audited