Department of Water Affairs HYMONTH V93 Output 23/08/2010 Site D1E001 Aliwal-North @ School Site D1E001 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 1933/34 [ ]M [114.6] 156.2 196.4 97.3 103.6 36.3 27.7 0.0 15.0 2.0& 0.0& [68.1] [749.0] 33 1934/35 72.4 106.4 62.5 40.4 50.0 170.4 31.5 62.5 1.5& 0.0& 42.4 7.9 54.0& 648.0& 0 1935/36 20.1 76.2 28.4 16.0 95.0 70.1 5.8 62.5 8.1 11.2& 0.0& 15.0 34.0& 408.4& 0 1936/37 88.9 151.1 79.3 89.6 71.6& 48.0& 4.3& 25.4& 0.0& 15.2& 0.8& 0.0& 47.9& 574.2& 0 1937/38 19.3& 31.2 66.8 117.6 136.2 58.9 41.7 20.1 37.3 10.7 11.4 5.6 46.4& 556.8& 0 1938/39 64.8 61.0 53.6 103.9 146.3 40.6 25.7 25.4 6.9 20.8 45.2 17.5 51.0 611.6 0 1939/40 47.2 52.6 25.7 37.9 117.6 158.0 46.0 46.2 3.8 7.6 0.0& 56.6 49.9& 599.2& 0 1940/41 5.6 75.7 60.0 71.6 121.9 52.6 65.5 16.0 3.1 31.7 19.6 26.2 45.8 549.4 0 1941/42 54.4 7.1 0.8 160.0 70.6 80.8 61.0 6.4 5.3& 0.0& 45.7 20.3 42.7& 512.3& 0 1942/43 78.2 65.0 91.9 82.0 16.0 59.9 185.4 63.0& 0.0& 0.0& 68.6 10.2 60.0& 720.3& 0 1943/44 16.3 173.5 185.2 51.8 24.6 65.3 20.3 29.2 25.9 0.5& 0.0& 100.1 57.7& 692.7& 0 1944/45 63.5 7.4& 0.0& 36.6 59.7 39.9 54.1 28.7 4.3 0.8 1.8& 0.0& 24.7& 296.7& 0 1945/46 19.6 42.7 63.5 199.6 103.1 52.3 61.0 93.0 5.1 0.5& 0.0& 0.5 53.4& 640.9& 0 1946/47 104.4 27.4 13.2 29.0 132.3 26.7 71.4 29.7 1.0 8.9 4.3 52.3 41.7 500.7 0 1947/48 72.1 47.5 118.1 139.2 139.0 246.4 69.6 13.5 1.0 1.8& 0.0& 0.0& 70.7& 848.1& 0 1948/49 23.9 8.6 1.0 5.6 6.6 114.8 21.6 41.7 15.3 6.1 2.5 5.8 21.1 253.5 0 1949/50 21.3 71.4 50.1 46.2 80.3 120.1 80.5 83.6 20.8 13.7 34.0 25.2 53.9 647.2 0 1950/51 41.1 40.4 171.9 91.2 21.8 83.8 22.6 26.4 10.4 1.8& 0.0& 13.0 43.7& 524.5& 0 1951/52 45.7 31.2 0.0& 62.7 102.3 18.8 44.5 19.3 15.8 65.3 9.9 45.2 38.4& 460.7& 0 1952/53 9.7 34.8 43.9 22.6 119.9 17.5 87.4 15.2& 0.0& 1.5 5.8 20.8 31.6& 379.2& 0 1953/54 38.9 108.7 79.3 53.9 83.3 225.8 22.4 24.6 3.8 3.8& 0.0& 2.8 53.9& 647.2& 0 1954/55 3.3 66.3 3.8 183.9 113.5 79.0 59.4 27.7 27.4 6.3 0.8 3.3 47.9 574.8 0 1955/56 2.8 80.8 56.6 42.9 56.9 125.7 77.2 31.8 1.3 6.6& 0.0& 18.8 41.8& 501.4& 0 1956/57 61.5 61.0 107.4 87.4 40.4 68.1 8.4 16.5 9.7 7.4 49.5 93.7 50.9 610.9 0 1957/58 78.7 92.5 57.4 136.9 32.3 42.7 33.0 96.8& 0.0& 0.0& 0.0& 18.8 49.1& 589.0& 0 1958/59 32.7 86.6 73.2 63.0 94.5 38.9 70.6 43.4 1.0 35.1 0.3& 0.0& 44.9& 539.3& 0 1959/60 57.7 62.7 61.2 55.9 113.5 47.8 53.3 61.5 14.5 10.2 38.9 8.9 48.8 585.9 0 1960/61 89.9 75.2 73.2 60.7 33.0 136.7 44.5 48.3 40.6 34.8 19.6 1.3& 54.8& 657.6& 0 1961/62 0.0& 86.4 99.3 62.5 231.1 66.1 50.3 1.5 10.7 0.3 2.0 4.8 51.2& 614.9& 0 1962/63 26.9 141.2 62.7 176.5 38.3 211.1 64.5 5.8 14.2 30.2 9.9 1.0 65.2 782.5 0 1963/64 65.0 79.5 31.8 27.9 34.0 36.3 44.9 15.0 31.0& 0.0& 2.5 0.8 30.7& 368.8& 0 1964/65 71.9 14.2 56.4 52.8 60.7 35.3 74.4 18.5 36.1 26.2 0.5 21.1 39.0 468.1 0 1965/66 10.9 38.4 17.8 162.3 91.4 5.6 32.3 0.0& 12.5& 0.0& 0.0& 0.8 31.0& 371.9& 0 1966/67 16.5 90.7 15.0 156.7 43.7 56.1 186.2 82.8 9.9 3.3 14.7 6.4 56.8 682.0 0 1967/68 43.4 22.6 34.5 10.9 7.9 67.3 41.2 26.4 3.3 7.4& 0.0& 16.5 23.4& 281.4& 0 126 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 23/08/2010 Site D1E001 Aliwal-North @ School Site D1E001 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 1968/69 38.6 8.4 100.1 32.8 63.0 115.8 34.3 42.4 13.5 4.3 4.6 21.8 40.0 479.5 0 1969/70 55.1 19.1 13.5 72.2 33.0 21.3 4.6 6.3 28.1 19.1 56.5 48.3 31.4 377.1 0 1970/71 36.7 15.0 115.1 105.5 101.5 52.4 74.9 56.0 3.4 32.3 5.9& 0.0& 49.9& 598.7& 0 1971/72 29.7 22.9 40.9 75.4 214.9 147.8 54.3 3.0 7.6& 0.0& 1.0 1.0 49.9& 598.5& 0 1972/73 80.8 28.4 9.8 28.3 65.9 34.8 28.2 26.8& 0.0& 2.8 15.0 8.9 27.5& 329.7& 0 1973/74 11.1 29.9 72.3 248.2 143.1 156.5 26.7 66.7 13.2 1.0 73.4 1.2 70.3 843.3 0 1974/75 25.6 86.2 36.4 37.0 73.8 84.7 56.0 3.6 30.3 26.5& 0.0& 41.1 41.8& 501.2& 0 1975/76 1.4 46.0 163.6 124.0 190.3 181.8 74.4 41.0 6.0 2.4 0.8 48.0 73.3 879.7 0 1976/77 95.8 25.2 91.0 45.4 149.2 65.0 40.2 27.8 23.8& 0.0& 0.0& 53.2 51.4& 616.6& 0 1977/78 58.0 20.4 96.8 102.4 66.4 137.6 119.7& 0.0& 5.0 5.0 18.4 60.0 57.5& 689.7& 0 1978/79 16.6 11.4 142.2 43.8 74.6 6.6 14.2 50.2 1.2 28.0 41.4 12.4 36.9 442.6 0 1979/80 61.2 34.6 44.8 51.4 114.6 34.2 4.4& 0.0& 1.8 3.4 13.8 23.6 32.3& 387.8& 0 1980/81 0.2 33.8 38.4 84.6 116.2 90.4 17.4 60.6 32.4 0.6 119.2& 0.0& 49.5& 593.8& 0 1981/82 34.4 40.8 72.4 22.6 57.5 93.0 71.4& 0.0& 52.6 52.2 0.2 22.4 43.3& 519.5& 0 1982/83 43.0 104.0 13.4 54.8 6.2 46.2 51.6 24.0 19.5 79.1& 0.0& 26.0 39.0& 467.8& 0 1983/84 29.8 57.6 94.6 25.6 3.0 56.2 37.2 37.4 3.8 0.2 52.4 0.6 33.2 398.4 0 1984/85 40.2 40.0 25.0 74.6 113.0 49.8 28.8& 0.0& 26.4& 0.0& 0.0& 3.4 33.4& 401.2& 0 1985/86 123.8 59.4 123.3 84.6 55.8 91.6 19.6& 0.0& 18.4 5.8 40.0 19.8 53.5& 642.1& 0 1986/87 117.0 127.6 12.2 13.0 61.2 24.4 46.0 0.2 27.2 17.0 15.0 131.2 49.3 592.0 0 1987/88 22.2 136.2 8.2 25.4 336.8 113.5 153.8 19.2 5.4 10.4 3.0 101.8 78.0 935.9 0 1988/89 25.2 42.3 132.5 103.6 120.2 44.2 90.2 13.6 12.2 4.0 2.6 21.0 51.0 611.6 0 1989/90 6.1 0.0 29.0 21.8 25.0 96.8 67.3 0.4 26.6 11.8 3.6 8.8& 24.8& 297.2& 0 1990/91 0.0& 25.2 43.6 168.4 70.4 103.6 2.6 1.6 13.4 0.0& 0.0& 41.4 39.2& 470.2& 0 1991/92 154.6 31.2 72.4 0.8 0.0 54.0 6.8& 0.0& 6.8 0.2 42.6 1.8 30.9& 371.2& 0 1992/93 54.8 72.8 6.8 21.4 110.8 60.4 58.6 16.4 2.8 0.4 0.0& 0.0& 33.8& 405.2& 0 1993/94 150.4 59.2 92.6 104.6 0.0 47.0 7.2 0.2 0.5 14.2& 0.0& 0.2 39.7& 476.1& 0 1994/95 0.2 36.8 16.6 15.6 13.5 0.0 0.0 42.2 3.2& 0.0& 0.0& 46.8 14.6& 174.9& 0 1995/96 43.6 30.0 155.8 66.4 76.2 44.0 55.0 6.2 0.8 24.0 11.8 7.2 43.4 521.0 0 1996/97 10.8 130.4 134.8 22.2 58.6 198.3 62.4 36.2 7.4 3.8 18.2 0.4 57.0 683.5 0 1997/98 12.4 0.4 32.8 38.4 66.9 156.2 18.8 26.2 0.6& 0.0& 3.2 16.2 31.0& 372.1& 0 126 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 23/08/2010 Site D1E001 Aliwal-North @ School Site D1E001 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 53.0 140.0 40.4 55.0 18.2 28.0 7.0 14.0 2.2 0.1& 0.0& 3.8 30.1& 361.7& 0 1999/ 0 24.7 9.6 165.2 83.0 66.8 140.6 39.3 2.6 5.0 8.4 0.4 58.8 50.4 604.4 0 2000/ 1 34.4 44.8 10.3 47.6 36.0 34.5 [100.0] 27.0 16.0 2.2 5.6 32.4 [32.6] [390.8] 1 2001/ 2 7.2 336.2 155.6 125.8 24.0 87.4 40.9 33.0 24.8 4.8 132.0 22.0 82.8 993.7 0 2002/ 3 1.2 25.8 39.8 32.8 71.2Q 91.0Q 34.0Q 17.0 0.0 [ ]M [ ]M [ ]M [34.8] [312.8] 92 126 Tot Mean 43.0& [60.9] 64.9& 74.2 79.8& 80.9& [49.2] 27.7& 11.8& 10.8& 16.1& 21.8& [45.2] [539.9] Mean Med. 36.7& [45.4] 57.0& 58.3 70.5& 65.1& [44.5] 25.4& 7.1& 4.8& 3.0& 13.0& Med. Max 154.6& [336.2] 185.2& 248.2 336.8& 246.4& [186.2] 96.8& 52.6& 79.1& 132.0& 131.2& [82.8] [993.7] Max Min 0.0& [0.0] 0.0& 0.8 0.0& 0.0& [0.0] 0.0& 0.0& 0.0& 0.0& 0.0& [14.6] [174.9] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 69 70 70 70 70 70 70 70 70 69 69 69 70 70 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