Department of Water Affairs HYMONTH V93 Output 26/08/2010 Site D1H009 Orange River @ Oranjedraai Site D1H009 VarFrom 100.00 Surface Water Level in Metres 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 1958/59 [ ]M [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]M [ ]M 365 1959/60 [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z [ ]Z 366 1960/61 [157.30] 441.79 271.30 376.07 255.07 386.17 927.49 401.23 468.67 69.10 30.43 13.22 [316.49][3797.8 ] 20 1961/62 10.87L 330.72 1000.0 285.25 1055.2 464.29 155.10 327.12 72.87 34.21 19.97 16.03 314.31L 3771.7 L 0 1962/63 18.16 228.20 206.89 1305.7 574.97 1192.3 1344.8 169.66 85.22 194.51 173.56 81.28 464.61 5575.3 0 1963/64 61.36 756.21 618.62 220.31 267.78 276.44 693.63 102.97 73.82 118.94 111.21 120.86 285.18 3422.1 0 1964/65 1122.3 464.54 167.09 298.37 151.90 24.24 158.60 79.81 51.58 109.58 136.09 247.35 250.96 3011.4 0 1965/66 228.87 202.08 102.45 1186.8 1240.5 107.54 72.70 57.46 35.48 18.03 11.19 12.80 273.00 3276.0 0 1966/67 11.81 148.12 234.59 476.35 2225.9 642.54 1368.1 338.30 530.29 168.04 88.28 65.03 524.79 6297.4 0 1967/68 36.03 414.56 208.98 92.05 54.02 109.48 141.78 389.66 106.07 105.23 47.50 83.59 149.08 1788.9 0 1968/69 50.75 50.59 407.80 62.21 81.55 500.01 462.56 141.44 99.35 41.74 46.78 16.36 163.43 1961.1 0 1969/70 339.59 193.07 155.85 171.58 223.59 44.61 12.09 8.50 6.49 7.13 14.56 98.95 106.33 1276.0 0 1970/71 390.58L 264.02 450.72 382.05 413.79 246.69 415.70 268.47 63.48 44.10 35.12 27.38 250.17L 3002.1 L 0 1971/72 38.25 106.29 172.24 643.76 1143.1 1545.6 355.50 292.86 119.98 53.34 30.02 22.30 376.95 4523.4 0 1972/73 107.02 173.11 80.71 36.54 338.18 290.07 253.58 73.64 42.34 24.08 206.01 160.74 148.83 1786.0 0 1973/74 151.05 138.27 269.59 959.07 2204.7 892.17 366.26 97.38 72.09 40.85 131.06 133.91 454.70 5456.4 0 1974/75 43.30 877.89 450.55 482.49 1166.2 1171.2 229.50 114.87 55.93 131.55 58.40 164.98 412.25 4946.9 0 1975/76 380.77 817.44 1031.2 1754.1 1905.2 2408.8 788.19 492.23 335.86 121.26 52.43 145.13 852.73 10232 0 1976/77 2002.3 1146.6 180.77 325.89 939.29 1490.1 245.94 127.75 54.26 39.59 21.18 98.52 556.02 6672.2 0 1977/78 578.88 345.04 194.47 1053.4 422.45 269.43 1282.0 246.15 78.31 51.60 35.63 196.44 396.17 4753.9 0 1978/79 271.57 145.56 1087.4 192.49 195.60 228.89 62.76 69.27 58.32 165.86 642.65 437.46 296.49 3557.8 0 1979/80 618.65 234.12 378.05 339.07 424.27 279.35 91.58 30.11 18.88 15.38 13.75 33.67 206.41 2476.8 0 1980/81 164.82 149.79 401.97 1012.4 922.93 623.73 243.74 226.11 324.40 65.21 281.05 391.81 400.67 4808.0 0 1981/82 108.68 219.67 472.67 167.05 198.22 213.58 701.80 234.11 84.68 75.96 43.45 28.73 212.38 2548.6 0 1982/83 185.85 1000.4 107.66 45.68 70.46 66.24 72.47 87.23 76.63 80.53 70.53 30.60 157.86 1894.3 0 1983/84 97.32 219.68 626.05 835.51 113.04 140.61 158.27 248.77 46.58 24.74 30.69 119.44 221.73 2660.7 0 1984/85 71.37 189.79 145.52 127.62 887.70 491.13 166.11 31.51 35.94 17.11 7.73 4.36 181.33 2175.9 0 1985/86 101.73 735.73 1202.1 461.63 475.03 178.47 84.84 51.07 103.94 28.97 28.23 247.17 308.24 3698.9 0 1986/87 629.36 1801.5 226.26 103.07L 116.78L 133.64 275.02 46.10 19.44 18.86 [2.92]1461.0 ] [402.84][4834.0 ] 35 1987/88 1897.1 704.46 442.52 221.37 1028.1 2502.3 614.31 175.91 145.72 161.15 226.32 978.01 758.11 9097.3 0 1988/89 567.88 558.13 1053.9 891.02 1782.6 641.24 357.81 [90.37] 537.81 607.59L 338.30 45.16 [622.66][7471.9 ] 22 1989/90 50.86 771.09 588.45 309.75 267.19 553.27 815.71 380.53 139.99 202.56 129.00 84.71 357.76 4293.1 0 1990/91 27.28 24.67 173.29 726.54 1530.2 769.51 125.38 40.58 31.77 23.90 14.08 36.24 293.62 3523.5 0 1991/92 1067.3 447.07 391.04 120.19 59.12 56.03 31.23 11.11 7.94 7.86 12.19 32.17 186.95 2243.3 0 1992/93 127.92 370.24 70.61 59.80 309.12 242.40 351.73 104.22 26.53 16.21 32.59 9.25 143.38 1720.6 0 1330 Tot ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... > ... Greater than E ... Estimated Data L ... Linear Fill M ... Missing Data Q ... Data Not Audited Z ... No info for stage/disch determination Department of Water Affairs HYMONTH V93 Output 26/08/2010 Site D1H009 Orange River @ Oranjedraai Site D1H009 VarFrom 100.00 Surface Water Level in Metres 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 1993/94 680.79 435.54 585.82 1076.6 1600.1 477.09 [106.21] [72.26] 44.18 30.54 34.89 15.88 [430.00][5159.9 ] 22 1994/95 5.23 19.70 12.66 [71.53] 169.86 274.19 [111.52] 113.22 34.87 16.33 7.97 15.32 [71.03] [852.40] 17 1995/96 85.56 195.00 1267.7 825.87 463.27 1213.2 > 174.00L 88.52 39.97 [1.95] [ ]M [ ]M [435.51][4355.1 ] 90 1996/97 [ ]M[101.72] [75.63] [ ]M [59.88] [ ]M[291.69] [ ]M [ ]M [ ]M [16.14] 138.98 [114.01] [684.04] 307 1997/98 90.84 46.55 148.31 [563.00]1297.5 1172.0 425.34 228.67 63.33 45.52 38.14 35.49 [346.23][4154.7 ] 1 1998/99 101.29 484.41 515.01 320.91 323.16 244.94 65.02 46.97 23.12 15.49 10.78L 6.57 179.81L 2157.6 L 0 1999/ 0 10.08 25.27 511.88 1087.6 405.50 804.10 375.08 281.22 84.24 45.84 27.43 233.11 324.28 3891.3 0 2000/ 1 247.60 291.63 544.48 262.92 399.53 320.27 734.03 630.86 99.49 59.79 74.43 725.88 365.91 4390.9 0 2001/ 2 312.72 2068.7 932.79 1138.2 705.28 242.17 135.96 210.68 427.37 113.79 829.79 982.79 675.03 8100.3 0 2002/ 3 132.22 169.01 395.17 419.86 250.64 602.73 174.56 67.78 40.92 30.30 39.92 26.54 195.81 2349.6 0 2003/ 4 18.16 69.70 95.69 263.17E 438.12E 515.15 276.10 59.05 31.87 27.19 42.35 137.40 164.50E 1973.9 E 0 2004/ 5 184.56 151.02 287.06 457.82 231.71 414.34 254.48 132.42 43.78 34.24 44.87 31.91 189.02 2268.2 0 2005/ 6 86.82 137.30 108.07 492.95 1577.3 1016.8 590.18 413.85 122.57 56.42 415.78 190.03 434.01 5208.1 0 2006/ 7 454.68 1256.8 401.02 219.52 126.26 81.03 84.37 32.61 96.68E 74.61E 35.85E 18.55E 240.17E 2882.0 E 0 2007/ 8 375.24 270.24 927.91 408.80 294.61 372.50 188.64 164.46 194.86Q 57.40Q 31.47Q 16.22Q 275.20Q 3302.3 Q 0 2008/ 9 13.17Q 96.12Q 569.92Q 498.91Q1390.1 Q 388.81Q 52.19Q 40.85Q 163.40Q 119.35Q 83.85Q 31.13Q 287.33Q 3447.9 Q 0 2009/10 974.42Q 555.51Q 143.15Q 367.20Q 571.69Q 200.62Q 259.08Q 104.59Q 122.56Q [14.64] [ ]M [ ]M [331.35][3313.4 ] 85 1330 Tot Mean [316.13][420.90][421.88][493.89][666.98] 561.68>[354.50][168.26] 115.18E [74.04][101.18][171.89] [322.11][3820.9 ] Mean Med. [132.22][249.07][384.55][376.07][418.12] 386.17>[249.76][113.22] 72.87E [45.52] [39.03] [73.15] Med. Max 2002.3 ]2068.7 ]1267.7 ]1754.1 ]2225.9 ]2502.3 >1368.1 ][630.86] 537.81E[607.59][829.79]1461.0 ] [852.73]10232 ] Max Min [5.23] [19.70] [12.66] [36.54] [54.02] 24.24> [12.09] [8.50] 6.49E [1.95] [2.92] [4.36] [71.03] [684.04] Min OK 99% 98% 98% 99% 98% 100% 97% 98% 100% 97% 97% 99% 98% 98% OK Cnt 49 50 50 49 50 49 50 49 49 49 48 48 50 50 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... > ... Greater than E ... Estimated Data L ... Linear Fill M ... Missing Data Q ... Data Not Audited Z ... No info for stage/disch determination