Department of Water Affairs HYMONTH V93 Output 23/08/2010 Site D2H031 Inlet Canal From Caledon River @ Knelpoort Site D2H031 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 1989/90 [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [0.45] 0.57 0.46 0.87 [0.59] [2.35] 257 1990/91 1.31 0.01 0.00 0.06 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.12 1.43 0 1991/92 0.00 0.05 1.25 0.12 0.12 0.07 0.00 0.00 0.00 0.00 0.00 0.02 0.14 1.63 0 1992/93 1.21 3.56 0.96 0.00 3.32 2.87 2.69 1.57 0.00 0.00 0.00 0.00 1.35 16.17 0 1993/94 0.91 0.84 0.99 0.88 1.04 0.01 0.00 0.00 0.00 0.13 0.23 0.00 0.42 5.02 0 1994/95 0.00 0.00 0.60 3.46 2.07 2.29 0.32 0.01 0.00 0.00 0.00 0.00 0.73 8.74 0 1995/96 0.89 3.28 3.35 1.45 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.29 0.77 9.26 0 1996/97 1.38 3.16 3.79 4.96 4.73 1.48 2.40 5.60 5.53 5.92 6.01 0.00 3.75 44.97 0 1997/98 0.10 0.08 0.06 0.12 0.08 0.08 0.07 0.07 0.08 0.10 0.02 0.00 0.07 0.86 0 1998/99 0.02 0.09 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.15 0 1999/ 0 0.00 0.00 1.08 2.76 0.29 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.34 4.14 0 2000/ 1 0.00 3.29 4.43 1.43 2.08 4.55 4.83 0.00 0.00 0.00 0.00 0.00 1.72 20.62 0 2001/ 2 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 2002/ 3 0.00 0.00 0.02 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0 2003/ 4 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 2004/ 5 0.00 0.00 0.00 0.00 3.21 6.37 6.96 6.45 1.98 0.00 0.00 0.00 2.08 24.97 0 2005/ 6 3.63 4.61 3.24 5.28 4.94 3.83 2.32 0.00 0.00 0.00 0.00 0.00 2.32 27.85 0 2006/ 7 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 2007/ 8 0.00 0.00 0.00 0.04 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ 0.00 0.00 0.00 0.00$ 0.04$ 0 2008/ 9 0.00 0.00 0.00 0.53 2.17 3.82 0.83 0.00 0.00 0.00Q 0.00Q 0.00Q 0.61Q 7.35Q 0 2009/10 2.98Q 2.57Q 1.37Q 1.34Q 3.60Q [0.68] [ ]M [ ]M [ ]M [ ]M [ ]M [ ]M [2.09] [12.55] 204 461 Tot Mean 0.62Q 1.08Q 1.06Q 1.12Q 1.39$ [1.30] 1.08$ 0.72$ [0.40] 0.34Q 0.34Q 0.06Q [0.82] [8.96] Mean Med. 0.00Q 0.03Q 0.33Q 0.12Q 0.20$ [0.04] 0.00$ 0.00$ [0.00] 0.00Q 0.00Q 0.00Q Med. Max 3.63Q 4.61Q 4.43Q 5.28Q 4.94$ [6.37] 6.96$ 6.45$ [5.53] 5.92Q 6.01Q 0.87Q [3.75] [44.97] Max Min 0.00Q 0.00Q 0.00Q 0.00Q 0.00$ [0.00] 0.00$ 0.00$ [0.00] 0.00Q 0.00Q 0.00Q [0.00] [0.00] Min OK 100% 100% 100% 100% 100% 97% 100% 100% 98% 100% 100% 100% 100% 100% OK Cnt 20 20 20 20 20 20 19 19 20 20 20 20 21 21 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... $ ... Gauge Plate Readings M ... Missing Data Q ... Data Not Audited