Department of Water Affairs HYMONTH V93 Output 24/08/2010 Site D2R004 Caledon River @ Welbedacht Site D2R004.V VarFrom 377.00 G24: Controlled spill (volume) in Megalitres VarTo 154.00 Total Surface Water Volume in Million Cub Metres Figures are for period starting 0 hours. Mean Annual Missing Year Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Monthly Total Days 1972/73 [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [4.56] 0.00 [2.28] [4.56] 306 1973/74 0.00 2.84 [40.73] 396.58 461.60 102.15 44.60 7.24 0.00 0.00 0.00 0.00 [87.98][1055.7 ] 3 1974/75 26.11 135.68 51.84 123.55 333.18 464.29 30.46 0.00 0.00 0.00 0.00 32.18 99.78 1197.3 0 1975/76 16.04 152.06 174.53 1007.1 1136.2 734.26 411.21 79.70 0.00 0.00 0.00 31.00 311.85 3742.2 0 1976/77 509.93 244.41 42.01 90.50 237.31 525.01 21.33 0.22 0.00 0.00 0.00 [28.13] [141.57][1698.8 ] 1 1977/78 105.86 28.17 41.17 420.08 137.92 107.46 831.98 50.94 0.00 0.00 0.00 0.00 143.63 1723.5 0 1978/79 10.44 0.00 422.91 15.75 28.75 5.94 0.00 0.00 0.00 0.00 158.94 13.86 54.72 656.59 0 1979/80 129.78 93.78 47.88 8.75 31.10 18.90 0.00 0.00 0.00 0.00 0.00 0.00 27.52 330.19 0 1980/81 0.00 3.02 34.45 433.08 304.88 244.30 29.74 0.00 8.10 0.00 57.85 0.00 92.95 1115.4 0 1981/82 0.00 76.91 56.10 20.16 23.49 0.00 192.46 2.79 0.00 0.00 0.00 0.00 30.99 371.91 0 1982/83 19.51 221.02 9.96 0.00 2.79 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21.11 253.29 0 1983/84 10.96 29.38 55.96 173.57 1.73 25.02 0.86 21.69 0.00 0.00 0.00 14.22 27.78 333.40 0 1984/85 0.00 29.75 12.87 11.48 39.71 49.46 0.00 0.00 0.00 0.00 0.00 0.00 11.94 143.28 0 1985/86 20.70 101.47 216.67 49.06 101.80 45.80 12.69 0.00 15.72 0.00 0.00 5.34 47.44 569.23 0 1986/87 94.93 495.54 31.73 0.00 3.04 11.61 60.55 0.00 0.00 0.00 15.80 293.81 83.92 1007.0 0 1987/88 127.09 156.49 307.76 78.71 896.93 1253.0 162.52 16.57 8.22 0.00 0.00 80.53 257.32 3087.8 0 1988/89 103.74 92.71 207.28 214.46 726.74 171.97 52.34 44.61 114.74 5.11 3.68 0.00 144.78 1737.3 0 1989/90 0.00 111.95 24.97 76.35 70.35 143.58 210.80 58.35 4.87 10.22 9.39 0.00 60.07 720.80 0 1990/91 0.00 0.00 20.42 382.57 601.39 493.96 32.81 0.00 0.00 0.00 0.00 0.00 127.60 1531.1 0 1991/92 180.07 78.17 31.09 0.00 0.44 0.00 0.07 0.00 0.00 0.00 0.00 0.00 24.15 289.84 0 1992/93 1.37 106.11 5.55 14.21 119.52 36.68 31.70 0.00 0.00 0.00 0.00 0.00 26.26 315.14 0 1993/94 141.91 13.95 19.27 120.15 246.78 39.67 17.12 0.00 0.00 0.00 0.00 0.00 49.90 598.85 0 1994/95 0.00 0.50 0.00 14.17 0.00 34.28 5.42 1.32 0.00 0.00 [0.00] [ ]M [5.06] [55.68] 31 341 Tot Mean 68.11 98.81 [84.33] 165.92 250.26 204.88 97.67 12.88 6.89 0.70 [10.88] [22.68] [81.76] [979.97] Mean Med. 17.78 85.44 [40.95] 77.53 110.66 47.63 30.10 0.00 0.00 0.00 [0.00] [0.00] Med. Max 509.93 495.54 [422.91]1007.1 1136.2 1253.0 831.98 79.70 114.74 10.22 [158.94][293.81] [311.85][3742.2 ] Max Min 0.00 0.00 [0.00] 0.00 0.00 0.00 0.00 0.00 0.00 0.00 [0.00] [0.00] [2.28] [4.56] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 22 22 22 22 22 22 22 22 22 22 23 22 23 23 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... M ... Missing Data