Department of Water Affairs HYMONTH V93 Output 26/08/2010 Site D1H001 Wonderboom Spruit @ Diepkloof Site D1H001 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 1912/13 0.00 0.00 4.32 5.40 11.47 11.74 3.13 0.37 0.36 0.23 0.04 22.58 4.97 59.65 0 1913/14 16.26 1.22 0.00 1.05 4.50 5.48 0.48 0.16 0.05 0.00 0.01 0.03 2.44 29.24 0 1914/15 5.77 1.39 4.41 13.84> 17.79 0.05 0.02 1.46 0.00 0.04 0.00 0.00 3.73> 44.77> 0 1915/16 0.43 1.74 0.30 4.36 0.23 3.20 0.47 1.45 0.00 0.03 0.00 0.49 1.06 12.68 0 1916/17 5.81 1.36 5.28 6.25 10.99> 23.80 7.34 0.32 0.38 0.07 0.83 2.41 5.40> 64.82> 0 1917/18 2.42 0.59 3.11 7.10 1.65 25.29> 2.40 2.58 0.37 0.32 0.21 3.27 4.11> 49.31> 0 1918/19 0.78 0.04 0.66 0.00 0.02 1.92 1.07 0.02 0.00 0.00 0.00 0.00 0.38 4.52 0 1919/20 0.00 0.44 1.11 2.17 18.94> 17.48 0.20 0.00 0.00 0.00 0.00 0.29 3.39> 40.63> 0 1920/21 0.00 0.00 0.10 0.00 11.64 4.85 17.36 0.21 0.00 0.00 0.00 0.00 2.85 34.16 0 1921/22 0.37 0.63 5.33 2.93 0.03 0.15 0.00 0.00 0.01 0.00 0.00 0.00 0.79 9.45 0 1922/23 0.00 8.08 0.22 4.63 8.93 1.31 0.00 0.39 0.91 0.00 0.01 0.00 2.04 24.49 0 1923/24 0.00 0.47 0.69 1.34 1.31 24.07 0.38 0.00 0.00 0.00 0.00 0.45 2.39 28.71 0 1924/25 0.02 4.23 2.66 2.05 17.02 68.47> 29.77 21.04> 9.39 0.87 0.86 0.22 13.05> 156.61> 0 1925/26 0.09 5.04 0.13 0.95 1.02 1.81 0.50 0.97 0.00 0.00 0.00 0.00 0.88 10.51 0 1926/27 0.02 0.41 0.35 5.81 3.76 7.32 2.76 0.00 0.00 0.02 0.00 0.00 1.70 20.45 0 1927/28 1.16 0.20 4.51 8.13 1.02 0.03 0.06 0.00 0.00 0.00 0.00 0.62 1.31 15.72 0 1928/29 0.70 2.90 7.33 6.53 0.57 9.41 0.01 1.13 0.64 2.18 0.00 18.34 4.15 49.75 0 1929/30 10.67> 1.32 9.83 4.21 3.23 10.45> 2.53 0.00 0.00 0.00 2.48 0.00 3.73> 44.72> 0 1930/31 1.09 0.52 0.74 4.23 2.31 1.55 7.24 0.01 0.00 5.37 0.06 0.00 1.93 23.12 0 1931/32 0.42 4.47 8.14 9.13 5.74 0.36 0.00 0.00 0.00 0.00 0.00 2.03 2.52 30.29 0 1932/33 0.00 0.11 0.00 1.13 0.09 7.57 7.92> 0.00 0.00 0.00 0.00 0.00 1.40> 16.81> 0 1933/34 0.00 21.55 25.58> 27.14> 6.20 20.59 3.13 0.02 0.00 0.21 0.00 0.00 8.70> 104.42> 0 1934/35 1.01 5.26 5.53 1.97 0.63 8.08 3.63 23.63> 0.38 0.06 0.58 0.02 4.23> 50.78> 0 1935/36 0.55 2.03 0.61 0.66 0.62 0.54 0.00 0.20 0.02 0.06 0.00 0.13 0.45 5.42 0 1936/37 0.43 8.60 1.15 2.83 2.14 1.98 0.62 0.00 0.00 0.00 0.00 0.00 1.48 17.75 0 1937/38 0.00 0.00 8.89 6.53 17.55> 5.21 0.00 0.00 0.13 0.00 0.00 0.00 3.19> 38.32> 0 1938/39 8.50> 1.46 9.74 12.62 38.72 0.28 0.70 0.73 0.00 0.02 3.85 0.38 6.42> 76.99> 0 1939/40 0.44 0.01 3.22 0.16 3.36 21.23> 5.33 9.01 0.00 0.00 0.00 0.95 3.64> 43.71> 0 1940/41 0.05 1.36 0.00 1.61 33.32 4.18 7.08 0.05 0.00 0.00 0.51 0.00 4.01 48.15 0 1941/42 0.21 0.00 0.00 0.22 14.41> 24.87> 5.95 0.00 0.00 0.00 2.08 1.50 4.10> 49.23> 0 1942/43 5.05 10.12 4.40 1.42 0.28 1.65 18.72> 18.55 1.50 0.38 1.09 2.38 5.46> 65.53> 0 1943/44 1.06 20.72 10.21 12.94 1.93 8.06 0.44 1.02 3.06 0.44 0.04 4.06 5.33 63.99 0 1944/45 3.81 0.01 0.00 0.00 0.00 3.12 0.86 0.00 0.00 0.00 0.00 0.00 0.65 7.80 0 1945/46 0.10 0.20 0.77 8.13 2.89 1.78 12.30 30.22 0.78 0.12 0.00 0.00 4.77 57.28 0 1946/47 8.93 0.07 0.08 1.10 3.23 2.31 1.02 0.82 0.00 0.00 0.00 0.57 1.51 18.12 0 857 Tot ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... > ... Greater than A ... Above Rating E ... Estimated Data L ... Linear Fill M ... Missing Data Q ... Data Not Audited Department of Water Affairs HYMONTH V93 Output 26/08/2010 Site D1H001 Wonderboom Spruit @ Diepkloof Site D1H001 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 1947/48 1.59 0.05 10.60 2.44 9.51 47.35 4.54 0.41 0.00 0.00 0.00 0.00 6.37 76.49 0 1948/49 0.85 0.00 0.00 0.20 0.14 1.19 0.00 0.06 0.05 0.00 0.00 0.00 0.21 2.48 0 1949/50 0.00 9.36 0.69 3.48 19.30> 23.15 33.52 38.35 1.32 0.53 1.31 3.93 11.25> 134.95> 0 1950/51 0.56 0.00 8.50 9.23 4.16 4.67 0.98 0.00 0.00 0.00 0.00 0.00 2.34 28.11 0 1951/52 4.90 0.41 0.00 1.27 10.18 0.43 1.44 0.00 0.00 2.05 0.00 0.61 1.77 21.27 0 1952/53 0.79 2.15 11.15 0.31 1.22 0.64 0.78 0.00 0.00 0.00 0.00 1.74 1.57 18.80 0 1953/54 0.04 23.03 0.09 1.00 0.70 4.45 0.69 0.52 0.00 0.00 0.00 0.00 2.54 30.52 0 1954/55 0.00 2.07 0.19 4.51 10.91 17.71 1.33 0.35 0.08 0.00 0.00 0.00 3.09 37.14 0 1955/56 1.05 0.75 0.85 1.83 2.73 7.21 [ ]M [ ]M [ ]M 0.00 [ ]M [ ]M [2.06] [14.43] 152 1956/57 [ ]M 4.67 4.00 1.11 1.66 5.17 0.60 0.00 0.07 0.00L 0.75 0.41 [1.68] [18.45] 31 1957/58 0.55 0.83 1.95 16.13 0.38 2.57 0.31 2.10 0.40 0.25 0.02 0.37 2.16 25.87 0 1958/59 0.16 0.83 0.30 0.91 4.64 0.80 0.76 2.79 0.01 0.01 0.00 0.00 0.93 11.20 0 1959/60 0.00 0.52 2.07 0.23 0.01 0.04 0.47L 0.61 0.00 0.00 0.88 0.00 0.40L 4.84L 0 1960/61 0.90 1.51 4.39 0.18 0.01 1.41 0.52 3.88 0.57 0.10 0.27 0.02 1.15 13.78 0 1961/62 0.00 0.07 0.89 0.04 24.04 8.24 1.08 0.37 0.02 0.01 0.01 0.02 2.90 34.80 0 1962/63 0.00 2.33 0.08 20.67 4.32 23.17 18.12 0.83 0.88 0.76 0.34L 0.09 5.97L 71.60L 0 1963/64 4.05 14.82 2.80 0.15 0.01 0.02 0.57 0.00 0.04 0.00 0.00 0.00 1.87 22.48 0 1964/65 0.05 0.11 0.31 0.78 0.70 0.05 3.46 0.13 0.20 0.07 0.07 0.02 0.50 5.95 0 1965/66 0.08 0.70 0.02 0.44 0.32 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.13 1.59 0 1966/67 0.01 0.14 2.60 27.64A 13.86 8.24 27.49 13.88 15.31 1.25 0.38 0.13 9.24A 110.93A 0 1967/68 0.07 0.09 0.00 0.03 0.01 0.03 0.27 0.02 0.02 0.01 0.00 0.00 0.05 0.54 0 1968/69 0.06 0.00 2.67 0.13 3.18 20.63 7.15 0.05 0.02 0.06 0.09 0.11 2.84 34.14 0 1969/70 0.47 0.07 0.00 0.00 0.87 0.00 0.00 0.00 0.07 0.40 6.62 1.32 0.82 9.83 0 1970/71 0.57 0.11 [4.45] 2.99 7.22 2.98 10.50 1.80 0.21 0.17 0.20 0.07 [2.61] [31.27] 8 1971/72 0.12 0.00 0.54 5.45 21.18 10.20 6.32 0.64 0.20 0.15 0.07 0.02 3.74 44.90 0 1972/73 0.49 0.97 0.03 0.00 0.52 0.22 0.48 0.38 0.08 0.06 0.07 0.04 0.28 3.34 0 1973/74 0.00 0.04 0.56 13.81 28.69 85.71 22.14 42.02 8.58 2.29 72.46A 2.38 23.22A 278.67A 0 1974/75 0.17L 3.76 4.33 0.72 0.75 2.10 0.52 0.33L 1.33 1.35 0.35 0.36L 1.34L 16.07L 0 1975/76 0.17 0.27 4.12 3.48 36.50 149.51A 36.14 42.09 8.30 6.03 3.07 3.50 24.43A 293.18A 0 1976/77 40.79 18.76L 0.46L 1.42 4.42 2.38 0.45L [0.61] 0.57L 0.80 0.30L 1.34L [6.02] [72.28] 9 1977/78 0.91 0.35 1.17 3.21 0.43 3.12 7.15L 0.62 0.39 0.30 0.22 0.29 1.51L 18.16L 0 1978/79 0.28 0.04 0.34 0.05 0.09 0.01 0.01 0.40 0.07 2.09 0.29 0.10 0.31 3.76 0 1979/80 0.12 [0.04] [0.53] 0.02 0.75 1.54 0.20 0.05 0.05 0.05 0.05 0.01 [0.28] [3.41] 13 1980/81 0.00 0.00 0.17 0.10 3.57 16.46 0.59 1.14 9.33 0.34 [2.23] [ ]M [3.08] [33.92] 38 1981/82 [ ]M [ ]M [ ]M [0.00] 0.01 0.11 1.07 0.10 0.16 0.45 0.20 0.10 [0.25] [2.21] 117 857 Tot ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... > ... Greater than A ... Above Rating E ... Estimated Data L ... Linear Fill M ... Missing Data Q ... Data Not Audited Department of Water Affairs HYMONTH V93 Output 26/08/2010 Site D1H001 Wonderboom Spruit @ Diepkloof Site D1H001 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 1982/83 0.06 4.67 0.16 0.00 0.00 0.00 0.00 0.03 0.11 1.49 0.12 0.06 0.56 6.71 0 1983/84 0.03 0.20 0.52 0.37 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.10 0.11 1.26 0 1984/85 0.32 0.37 0.00 0.00 4.01 2.89 0.00 0.01 0.05 0.01 0.01 0.00 0.64 7.69 0 1985/86 0.03 0.74 18.33 6.18 8.08 1.85 0.18 0.04 0.05 0.04 0.11 0.07 2.98 35.71 0 1986/87 0.97 3.80 0.10 0.00 0.02 0.05 0.01 0.01 0.03 0.01 0.01 0.37 0.45 5.38 0 1987/88 0.76 2.50 0.03 0.00 54.94A 26.68 11.79 2.99 0.89 0.96 0.38 4.97 8.91A 106.90A 0 1988/89 0.53 0.56 8.71 5.17 15.24 2.33 9.22 2.93 2.22 0.98 0.48 0.33 4.06 48.70 0 1989/90 0.11 2.44 1.82 0.04 0.05 0.22 0.26 0.10 0.16 0.13 0.10 0.07 0.46 5.51 0 1990/91 0.04 0.01 0.00 14.27 15.10 2.83 0.09 0.07 0.09 0.12 0.11 0.14 2.74 32.87 0 1991/92 19.53 8.25 0.51 0.09 0.05 0.11 0.12 0.09 0.06 0.05 0.06 0.06 2.42 28.99 0 1992/93 0.10 0.06 0.00 0.13 0.10 0.21 0.11 0.09 0.04 0.04 0.03 0.01 0.08 0.93 0 1993/94 0.00 0.00 0.06 6.41 13.38 1.35 0.13 0.16 0.18 0.18 0.10 0.04 1.83 21.98 0 1994/95 0.08 0.04 0.00 0.00 0.00 0.01 0.01 0.03 0.02 0.01 0.02 0.02 0.02 0.24 0 1995/96 0.01 0.00 2.09 1.86 1.18 0.07 0.07 0.04 0.03 0.09 0.10 0.03 0.47 5.58 0 1996/97 0.01 1.00 0.93 6.07 0.31 17.46 4.74 3.48 2.25 0.61 0.32 0.14 3.11 37.32 0 1997/98 0.07 0.00 0.03 0.05 0.00 0.08 0.14 0.08 0.03 0.02 0.01 0.02 0.05 0.54 0 1998/99 0.00 3.26 0.02 0.00 0.00 0.00 0.00 0.01 0.01 0.01 0.00 0.00 0.28 3.31 0 1999/ 0 0.00 0.00 0.51 4.34 1.88 5.12 4.09 0.83 0.22 0.14 0.11 5.50 1.90 22.75 0 2000/ 1 0.43 0.61 0.23 0.17 [0.02] [ ]M [ ]M [ ]M [0.09] 0.23 [0.08] [ ]M [0.23] [1.86] 182 2001/ 2 [ ]M [0.40] 1.31 1.21 1.09 2.24 2.72 0.36 0.42 0.32 3.21 7.41 [1.88] [20.69] 52 2002/ 3 0.50 0.15 0.66 1.67 0.56 0.79E 0.22E 0.22 0.20 0.18 0.16 0.14 0.45E 5.44E 0 2003/ 4 0.14 0.13 0.04 0.22 0.71 2.79 19.91 0.58 [ ]M [ ]M [0.06] 30.53 [5.51] [55.11] 85 2004/ 5 3.02 0.48 7.19 13.41 4.04 0.80 0.31 0.44 0.38 0.30 0.26 0.20 2.57 30.84 0 2005/ 6 0.19 0.09 0.11 0.85 22.23 8.53 5.74 18.60 1.86 1.82 43.56 4.67 9.02 108.25 0 2006/ 7 2.80 1.08 0.82 0.13 0.08 1.00 0.30 0.21 0.44 0.25 0.18 0.11 0.62 7.39 0 2007/ 8 0.12 0.10 2.65 3.11 6.30 2.44 0.44 0.46Q 0.46Q 0.42Q 0.33Q 0.21Q 1.42Q 17.05Q 0 2008/ 9 0.13Q 0.09Q 0.12Q 0.39Q 7.92Q 1.17Q 0.19Q 0.18Q 0.25Q 0.23Q 0.04Q 0.15Q 0.91Q 10.86Q 0 2009/10 1.18Q 0.73Q 0.14Q 0.10Q 3.75Q 2.13Q [1.98] [ ]M [ ]M [ ]M [ ]M [ ]M [1.43] [10.00] 170 857 Tot Mean 1.76> [2.34] [2.55] [3.66] [6.38] 8.92> [4.12] [3.17] [0.81] 0.40L [1.59] 1.42L [3.08] [36.62] Mean Med. 0.19> [0.52] [0.66] [1.30] [2.04] 2.33> [0.61] [0.21] [0.06] 0.06L [0.06] 0.09L Med. Max 40.79> [23.03] [25.58] [27.64] [54.94] 149.51> [36.14] [42.09] [15.31] 6.03L [72.46] 30.53L [24.43] [293.18] Max Min 0.00> [0.00] [0.00] [0.00] [0.00] 0.00> [0.00] [0.00] [0.00] 0.00L [0.00] 0.00L [0.02] [0.24] Min OK 100% 99% 99% 99% 99% 100% 99% 100% 99% 100% 98% 100% 99% 99% OK Cnt 95 97 97 98 98 97 96 95 95 96 96 94 98 98 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... > ... Greater than A ... Above Rating E ... Estimated Data L ... Linear Fill M ... Missing Data Q ... Data Not Audited