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Department of Water and Environmental Regulation HYMONTH V128 Output 30/11/2023 Site 613031 Mayfield Drain - Old Bunbury Rd Site 613031 VarFrom 10.00 Stage - SL in Metres VarTo 151.00 Total Stream Discharge Volume in Megalitres Figures are for period ending 24:00 Mean Annual Missing Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Monthly Total Days Yr 1991 [ ] [ ] [7.5] 9.7^ 1046 ^11852 &11475 & 6392 $ 4039 # 291.8& 124.4& 24.8^ [3526 ] [35263] 65 1991 1992 24.6& 19.9^ 21.5& 31.5^ 159.3& 8304 & 9297 &11542 & 3471 # 298.4$ 220.7& 81.7& 2789 ^ 33471^ 0 1992 1993 71.5& 59.5& 79.6& 60.4& 124.7& 227.0& 3761 & 4036 $ 4807 & 411.7$ 1275 & 142.3& 1255 & 15056& 0 1993 1994 96.2& 113.0& 78.9& 36.3& 673.2&11347 & 9808 & 4903 & 498.0$ 147.2& 61.2& 48.2& 2317 & 27810& 0 1994 1995 56.0& 46.3& 50.2& 41.0& 86.3& 748.8&14381 & 3324 # 4209 $ 253.0& 89.3& 56.0& 1945 & 23341& 0 1995 1996 50.36& 63.95& 59.17& 18.60& 18.92"[2433 ][7196 ][8286 ]5433 ^ 659.2 " 188.2 " 77.68" [2040 ] [24483] 7 1996 1997 31.57" 18.97" 16.34" 14.31" 57.27"3295 &[4637 ]5471 ^3009 & 290.4 " 74.56" 35.34" [1413 ] [16951] 1 1997 1998 19.46" 11.86" 18.67" 16.28" 22.19" 753.1 "1842 #5448 ^4183 ^ 993.1 & 92.04& 47.12& 1120 ^ 13446^ 0 1998 1999 15.97& 10.21& 10.02& 10.58& 34.59&[3690 ][4134 ]4433 ^4674 ^1504 # 98.19" 40.21" [1554 ] [18654] 5 1999 2000 30.60" 13.32" 12.43" 10.64" 21.62"[3072 ][9518 ][4523 ][2876 ] 208.1 " 63.04" 22.67" [1698 ] [20371] 14 2000 2001 13.19" 8.04" 7.29" 6.65" 19.78" 47.56" 264.5 "1421 &1273 & 514.6 " 73.84" 40.05" 307.5 & 3690 & 0 2001 2002 20.55" 11.42" [1.24] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [11.07] [33.21] 302 2002 2003 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2003 2004 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 2004 2005 [ ] [ ] [ ] [ ] [1019 ][5234 ]2791 &[3109 ]2162 "2373 ^ 213.7 " 81.25" [2123 ][16983 ] 138 2005 2006 60.29" 32.92" 24.48" 20.46" 20.05" 24.65" 397.0 "2318 & 321.2 " 109.6 " 37.91" 25.77" 282.7 & 3393 & 0 2006 2007 13.48" 7.48" 8.05" 15.59" 21.84" 270.3 "[4745 ][7448 ]5516 ^1837 & [ ] [ ] [1988 ][19881 ] 67 2007 2008 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 2008 2009 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2009 2010 [ ] [ ] [ ] [ ] [ ] 171.5 #1667 &1065 ^ 289.9 # 135.6 # 65.98# 25.01# [488.6 ][3420 ] 151 2010 2011 25.90# 11.43# 9.44# 9.19# 20.42#1666 ^3169 ^[3167 ]1644 ^ 298.4 # 210.6 # 109.8 # [861.8 ][10341 ] 1 2011 2012 47.58# 20.38# 21.62# 16.72# 48.38#2714 ^ 415.3 #2152 ^2191 ^ 335.8 $ 605.2 ^1274 ^ 820.2 ^ 9842 ^ 0 2012 2013 91.54$ 348.6 $ 415.4 ! 22.97# 315.8 # 218.0 #[2941 ][4325 ]6444 ^ 663.5 # 104.8 # 54.82# [1329 ][15945 ] 6 2013 2014 25.60# 13.45$ 12.47$ 13.62# 141.2 #1707 ^5167 ^3532 ^2306 & 435.0 # 96.84# 50.53# 1125 ^13501 ^ 0 2014 2015 34.18# 17.67# 21.28# 22.69# 25.06# 27.49# 151.2 $ 850.3 # 598.0 # 77.81# 45.33# 25.55# 158.1 $ 1897 $ 0 2015 2016 22.29# 17.17# 17.95# 23.64# 313.1 #1067 &1326 &6729 ^1522 $ 764.9 $ 112.2 # 44.03$ 996.7 ^11961 ^ 0 2016 2017 27.50# 27.61# 29.40# 26.90# 28.84# 43.83#2684 ^[6001 ]2673 ^ 285.3 # 60.97# 31.61# [993.4 ][11921 ] 5 2017 2018 38.42# 21.10# 16.14# 10.94# 12.63#[2225 ][4496 ][4124 ] 810.0 # 238.6 # 60.40# 26.00# [1007 ][12079 ] 12 2018 2019 14.74# 9.23# 8.26# 6.68# 5.79# 615.7 $3602 ^2977 ^1216 & 133.7 # 52.27# 20.27# 721.7 ^ 8661 ^ 0 2019 2020 11.58# 9.16# 8.54# 6.50# 9.22# 527.6 &1460 ^2294 ^1005 ^ 159.7 # 117.3 # 53.43# 471.8 ^ 5662 ^ 0 2020 ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... ! ... Not reviewed / Quality not known " ... Relative Uncertainty +/-10% # ... Relative Uncertainty +/-15% $ ... Relative Uncertainty +/-20% & ... Relative Uncertainty +/-30% [ ... Not Available ^ ... Relative Uncertainty +/-50% Department of Water and Environmental Regulation HYMONTH V128 Output 30/11/2023 Site 613031 Mayfield Drain - Old Bunbury Rd Site 613031 VarFrom 10.00 Stage - SL in Metres VarTo 151.00 Total Stream Discharge Volume in Megalitres Figures are for period ending 24:00 Mean Annual Missing Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Monthly Total Days Yr 2021 30.88# 25.69# 25.59# 25.31# 475.5 &1238 ^[8626 ]3711 ^1327 $ 885.3 ^ 210.1 # 67.23# [1387 ][16648 ] 2 2021 2022 37.49# 27.85# 25.82# 21.36# 25.18# 326.2 $[2786 ]6510 ^ 785.2 & 101.4 # 45.91# 21.02# [892.8 ][10714 ] 2 2022 2023 10.47# 7.69# 7.52# 15.15# 16.12# 854.2 #3163 ^3364 ^1129 & 126.6 # [38.46] [ ] [793.8 ][8732 ] 33 2023 Mean 35.45 & 37.46 ^[37.58 ] 19.76 ^[176.4 ][2311 ][4496 ][4409 ][2515 ]519.0 ^[164.4 ] 97.15 ^ [1256 ][14281 ] Mean Med. 29.05 & 18.32 ^[17.95 ] 16.50 ^[28.84 ][960.8 ][3385 ][4080 ][2177 ]295.1 ^[92.04 ] 45.58 ^ Med. Max 96.17& 348.6 ^[415.4 ] 60.42^[1046 ][11852 ][14381 ][11542 ][6444 ]2373 ^[1275 ]1274 ^ [3526 ][35263 ] Max Min 10.47& 7.48^ [1.24] 6.50^ [5.79] [24.65][151.2 ][850.3 ][289.9 ] 77.81^ [37.91] 20.27^ [11.07] [33.21] Min Total 921.8& 973.9^[1015 ] 513.7^[4762 ][64701 ][125897][123455][70412 ]14532 ^[4438 ] 2526 ^ [36417 ][414148 ] 2273 Total OK 100% 100% 96% 100% 99% 99% 96% 97% 100% 100% 100% 100% 99% 99% OK Cnt 26 26 27 26 27 28 28 28 28 28 27 26 29 29 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... ! ... Not reviewed / Quality not known " ... Relative Uncertainty +/-10% # ... Relative Uncertainty +/-15% $ ... Relative Uncertainty +/-20% & ... Relative Uncertainty +/-30% [ ... Not Available ^ ... Relative Uncertainty +/-50%