Department of Water Affairs HYMONTH V93 Output 26/08/2010 Site D1H010 Stormberg Spruit @ Molteno Site D1H010 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 1962/63 [ ]M [0.00] 0.00 0.77 0.37 4.59A 4.13 0.16 0.08 0.09 0.01 0.00 [0.93] [10.20] 53 1963/64 0.39 2.79 1.23 0.11 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.38 4.52 0 1964/65 0.00 0.00 0.00 0.00 0.05 0.00 0.08 0.00 0.00 0.00 0.00 0.00 0.01 0.13 0 1965/66 0.00 0.00 0.00 0.02 0.15 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.17 0 1966/67 0.00 0.00 2.13 2.07 1.20 1.06 5.00 2.71 3.34 0.41 0.08L 0.04 1.50L 18.05L 0 1967/68 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0 1968/69 0.00 0.00 0.07 0.00 0.19 4.75A 2.08 0.13 0.04 0.01 0.00 0.00 0.61A 7.26A 0 1969/70 0.00 0.00 0.00 0.00 0.00 0.00 0.00L 0.00 0.00 0.00 3.19 0.23 0.28L 3.41L 0 1970/71 0.11 0.00 1.36 0.44 0.54 0.24 1.26 0.03 0.01 0.02 0.03 0.00 0.34 4.03 0 1971/72 0.00 0.00 0.00 0.27 1.00 1.57 1.46 0.09 0.04 0.01 0.01 0.00 0.37 4.44 0 1972/73 0.04 0.06 0.11 0.00 0.03 0.11 0.23 0.02 0.01 0.01 0.01 0.00 0.05 0.62 0 1973/74 0.00 0.00 0.00 0.24 3.71 15.74A 5.04 9.46 1.48 0.41 [0.09] [ ]M [3.29] [36.17] 46 1974/75 [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M 365 1975/76 [ ]M [0.01] 1.19 2.62 10.34A 31.95A 5.01 5.56 1.48 0.76 0.39 0.48 [5.44] [59.80] 58 1976/77 12.88A 5.79A 0.12 0.36 0.30 0.34 0.11 0.28 0.14 0.19 0.10 0.15 1.73A 20.77A 0 1977/78 0.10 [0.17] [0.05] 0.11 0.00 0.12 0.50 0.21 0.15 0.08 0.09 0.07 [0.14] [1.66] 15 1978/79 0.03 0.00 0.00 0.00 0.00 [0.00] 0.00 0.00 0.00 0.00 0.05 0.03 [0.01] [0.11] 8 1979/80 0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0 1980/81 0.00 0.00 0.00 0.06 0.49 2.09 0.07 0.12 2.26 0.07 4.38 1.81 0.95 11.34 0 1981/82 0.19 0.03 0.02 0.00 0.00 0.00 0.14 0.00 0.00 0.00 0.00 0.01 0.03 0.39 0 1982/83 0.00 0.09 0.00 0.00 0.00 0.00 0.00 0.00 [0.00] [ ]M [ ]M [ ]M [0.01] [0.09] 110 655 Tot Mean 0.77A [0.45] [0.31] 0.35 0.92A [3.13] 1.26L 0.94 [0.45] 0.11 [0.44] 0.16 [0.80] [9.16] Mean Med. 0.00A [0.00] [0.00] 0.04 0.10A [0.12] 0.12L 0.02 [0.01] 0.01 [0.01] 0.00 Med. Max 12.88A [5.79] [2.13] 2.62 10.34A [31.95] 5.04L 9.46 [3.34] 0.76 [4.38] 1.81 [5.44] [59.80] Max Min 0.00A [0.00] [0.00] 0.00 0.00A [0.00] 0.00L 0.00 [0.00] 0.00 [0.00] 0.00 [0.00] [0.00] Min OK 100% 92% 98% 100% 100% 99% 100% 100% 97% 100% 97% 100% 99% 99% OK Cnt 18 20 20 20 20 20 20 20 20 19 19 18 20 20 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Above Rating L ... Linear Fill M ... Missing Data