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Department of Water and Environmental Regulation HYMONTH V128 Output 09/08/2026
Site 607022 Lefroy Brook - Cascades Site 607022
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
1997 [ ] [ ] [ ] [ ] [ ] [ ] [2189 ]19249 "14971 " 3816 & 1724 & 1045 & [7166 ] [42994] 205 1997
1998 399.3& 353.7& 819.3& 988.1& 2012 & 5531 " 7012 "13976 "29769 $ 9598 " 1553 & 870.0& 6073 & 72882& 0 1998
1999 396.7& 252.5& 336.5& 550.9& 1483 &12533 &30703 $24426 "30378 $21338 $ 2591 & 1121 & 10509 & 126110& 0 1999
2000 825.3& 570.9& 517.0& 1117 & 2289 & 4282 &24719 $18291 "16848 $ 3124 & 1495 & 717.8& 6233 & 74796& 0 2000
2001 257.7& 183.3& 215.7& 322.3& 1210 & 2859 & 1762 & 4536 & 5762 " 4393 & 1023 & 1349 & 1989 & 23873& 0 2001
2002 279.8& 101.2& 133.5& 313.6& 569.1& 2377 & 8966 "14868 $13244 $ 6341 $ 2859 $ 244.2$ 4191 & 50298& 0 2002
2003 79.5$ 90.0$ 71.5$ 227.4$ 849.5$ 3114 $13157 $17317 $17846 $ 6826 $ 3106 $ 821.6$ 5292 $ 63505$ 0 2003
2004 153.4$ 179.2$ 160.1$ 264.7$ 1043 $ 6976 $ 9643 $12592 $ 6643 $ 2791 $ 1435 $ 286.3$ 3514 $ 42167$ 0 2004
2005 103.4$ 138.3$ 202.4$ 766.7$ 3789 $10641 $ 7621 $10296 $11108 $ 9863 $ 3396 $ 1635 $ 4963 $ 59561$ 0 2005
2006 456.9$ 164.7$ 275.8$ 1341 $ 2097 $ 1761 $ 5464 $12926 $ 6655 $ 2755 $ 875.1$ 335.5$ 2926 $ 35107 $ 0 2006
2007 186.8$ 102.1$ 144.4$ 307.6$ 854.5$ 2642 $ 9933 $12372 $12617 $ 5092 $ 2748 $ 764.4$ 3980 $ 47764 $ 0 2007
2008 376.1$ 143.5$ 119.3$ 639.1$ 2089 $ 6175 $18741 $12439 $ 8575 $ 5957 $ 6876 $ 4364 $ 5541 $ 66495 $ 0 2008
2009 844.4$ 396.0$ 517.4$ 470.4$ 1173 $ 5123 $26147 $12905 $19700 $ 7529 $ 3252 $ 928.5$ 6582 $ 78987 $ 0 2009
2010 251.7$ 89.2$ 122.7$ 304.0$ 607.5$ 1045 $ 2276 $ 2004 $ 1591 $ 407.2$ 163.4$ 88.0$ 745.8$ 8950 $ 0 2010
2011 95.0$ 59.3$ 80.5$ 102.9$ 128.2$ 529.6$ 2511 $ 8823 $ 4419 $ 3667 $ 1594 $ 188.9$ 1850 $ 22198$ 0 2011
2012 71.3$ 50.6$ 40.9$ 133.7$ 338.5$ 1017 $ 1370 $ 4911 $ 4932 $ 1985 $ 564.5$ 406.4$ 1318 $ 15820$ 0 2012
2013 49.8$ 19.9$ 60.3$ 123.5$ 1234 $ 1638 $ 5691 $15354 $20049 $ 6470 $ 1094 $ 498.2$ 4357 $ 52281$ 0 2013
2014 98.0$ 81.6& 106.7& 182.3$ 1005 $ 2218 $13979 $ 7546 $ 9856 $ 3328 $ 1055 $ 474.4$ 3327 & 39930& 0 2014
2015 107.2$ 91.7$ 149.7$ 351.9$ 766.6$ 1716 $ 3259 $ 7004 $ 3668 $ 785.3$ 271.0$ 171.1& 1529 & 18342& 0 2015
2016 819.6& 205.5$ 144.8$ 470.8$ 2099 $ 3490 $18596 $19837 $16289 # 9968 $ 1617 $ 660.8$ 6183 & 74199& 0 2016
2017 213.2$ 175.2$ 263.1$ 341.8$ 687.2$ 742.4$ 3820 $14295 $ 5423 $ 3927 $ 988.7$ 447.8$ 2610 $ 31324$ 0 2017
2018 235.5$ 140.7$ 192.1$ 294.9$ 514.4$ 1347 $ 9695 $20786 $ 7800 $ 2408 $ 947.7$ 631.3$ 3749 $ 44993$ 0 2018
2019 484.6$ 97.7$ 134.1$ 199.4$ 316.5$ 1439 $ 5482 $ 4242 $ 6684 $ 1235 $ 972.5$ 188.3$ 1790 $ 21476$ 0 2019
2020 150.1& 58.3& 74.4& 105.6& 399.9" 1289 " 5112 " 6349 " 9414 " 2350 " 1092 " 339.3" 2228 & 26732& 0 2020
2021 75.7& 155.2& 235.7" 244.3" 974.6" 3854 "16902 "19974 "10684 " 9181 " 2653 " 437.3" 5448 & 65370& 0 2021
2022 110.4& 97.8& 175.5& 366.3" 859.4" 3191 " 4601 "18854 $ 4210 " 2393 " 2027 " 350.5" 3103 & 37236& 0 2022
2023 125.4& 79.0& 153.8" 493.5" 674.0" 6066 "12348 "12512 "11616 " 2185 " 441.0" 118.2& 3901 & 46813& 0 2023
2024 78.6& 55.5& 61.8& 54.6& 162.9& 428.2& 1063 "17294 $ 6264 " 2305 " 416.3" 96.1& 2357 & 28280& 0 2024
2025 51.1& 35.3& 74.4& 285.1& 452.8" 1788 "[10250 ]17185 "17987 $ 2944 " 1514 " 350.9" [4410 ] [52917] 1 2025
2026 79.86& 56.62& 148.8 " 347.3 " 677.9 "2277 "4173 "[448.0 ] [ ] [ ] [ ] [ ] [1026 ][8208 ] 146 2026
Mean 257.1& 145.7& 197.7& 403.8& 1081 & 3382 &[9573 ][12787 ]11552 $ 4999 & 1736 & 687.2& [3963 ][45987 ] Mean
Med. 153.4& 101.2& 148.8& 313.6& 854.5& 2377 &[7316 ][12916 ] 9856 $ 3667 & 1495 & 447.8& Med.
Max 844.4& 570.9& 819.3& 1341 & 3789 &12533 &[30703 ][24426 ]30378 $21338 & 6876 & 4364 & [10509 ][126110 ] Max
Min 49.8& 19.9& 40.9& 54.6& 128.2& 428.2&[1063 ] [448.0] 1591 $ 407.2& 163.4& 88.0& [745.8] [8208 ] Min
Total 7457& 4225& 5732& 11710& 31357& 98092&[287185][383613] 335004$ 144961& 50344& 19930& [118892][1379610] 352 Total
OK 100% 100% 100% 100% 100% 100% 97% 97% 100% 100% 100% 100% 100% 100% OK
Cnt 29 29 29 29 29 29 30 30 29 29 29 29 30 30 Cnt
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
" ... Relative Uncertainty +/-10%
# ... Relative Uncertainty +/-15%
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available