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Department of Water and Environmental Regulation HYMONTH V128 Output 14/11/2025
Site 609059 Blackwood River - Flax Mill Site 609059
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
2001 [ ] [ ] [ ] [ ] [ ] [582] 4179" 11260" 6713" 3291" 477" 2907" [4201] [29409] 172 2001
2002 275" 1" 0" 7045$ 6081" 8857" 20596$ 17492$ 15483$ 5259" 1320" 49" 6872$ 82459$ 0 2002
2003 0" 0" 0" 87" 2359" 3349" 22622$ 50722$ 19250$ 12690$ 3456" 522" 9588$ 115057$ 0 2003
2004 385" 234" 2" 0" 272" 11796$ 28201$ 44940$ 19600$ 4157" 919" 177" 9223$ 110681$ 0 2004
2005 0" 0" 1" 15928$ 126220& 79597$ 27981$ 57240$ 30645$ 13099$ 3378" 589" 29556& 354678& 0 2005
2006 134" 21" 0" 0" 156" 385" 3956" 27200$ 17522" 3338" 385" 76" 4431$ 53171$ 0 2006
2007 23" 0" 0" 0" 0" 557" 23134" 48741" 39304" 13796" 1463" 327" 10612" 127345" 0 2007
2008 30" 0" 0" 326" 2979" 17335" 82528" 76276" 7503" 4926" 2484" 1297" 16307" 195683" 0 2008
2009 52" 0" 0" 0" 701" 11816" 122296" 88865" 39942" 10224" 881" 194" 22914" 274970" 0 2009
2010 4" 0" 1857" 3634" 981" 4039" 7780" 7589" 3344" 733" 533# 49# 2545# 30543# 0 2010
2011 43.4# 3087 " 140.7" 190.3# 1082 " 7412 "47368 "96044 &32935 "13521 "14986 "32753 " 20797 & 249564& 0 2011
2012 1968 " 345.9" 33.4# 1.2" 901.0"10122 # 8754 # 8404 " 8846 " 3459 " 426.2" 1748 " 3751 # 45008# 0 2012
2013 1472 " 18.2" 0.0" 641.2" 5119 " 6900 "11054 "54199 "58016 "18122 " 1352 " 154.7" 13087 " 157048" 0 2013
2014 5.3" 0.0" 0.0" 0.0" 6953 " 9371 "55784 "32737 "43393 " 9895 " 2231 " 410.4" 13398 " 160780" 0 2014
2015 8.3" 0.0" 0.0$ 2325 $ 4472 $ 3632 " 4660 $13191 " 9221 " 1123 $ 274.1$ 8.9$ 3243 $ 38915$ 0 2015
2016 41133$ 4877$ 2573$ 15111" 15906" 28389" 31547" 61989" 36820" 16249" 1775$ 2331$ 21558$ 258701$ 0 2016
2017 303$ 75720$ 4865$ 988$ 1678$ 2938$ 17000$ 101515" 18925" 11295" 1309$ 514$ 19754$ 237051$ 0 2017
2018 2804$ 578$ 180$ 1045$ 1770$ 12475" 65624" 111551" 22961" 6517" 1105$ 208$ 18901$ 226818$ 0 2018
2019 13$ 0$ 579$ 470$ 276$ 5816$ 19343" 20188" 30891" 2640$ 388$ 14$ 6718$ 80618$ 0 2019
2020 0$ 0$ 0$ 0$ 75$ 2812$ 11651" 13026" 12570" 2706$ 2063$ 116$ 3752$ 45019$ 0 2020
2021 0$ 40$ 244$ 5092$ 19085" 28349" 169238" 204084" 53835" 18747" 3740$ 814$ 41939$ 503269$ 0 2021
2022 50$ 0$ 0$ 4$ 613$ 4815$ 21388" 103285" 31022" 7685" 6211" 1338$ 14701$ 176411$ 0 2022
2023 81$ 0$ 0$ 0$ 1$ 11450$ 13244" 48949" 22611" 4194$ 362$ 3$ 8408$ 100895$ 0 2023
2024 0$ 0$ 0$ 0$ 0$ 4163$ 15091" 60797" 20015" 4101$ 1083$ 93$ 8779$ 105344$ 0 2024
2025 0$ 0$ 0$ 195$ 243$ 4369$ 20690$ 66704" 38709" 7048$ [819] [ ] [12616] [138776] 49 2025
Mean 2033 $ 3538 $ 436.4$ 2212 $ 8247 &[11253 ]34228 $57079 &25603 $ 7953 $[2137 ] 1946 $ [13106 ][155928 ] Mean
Med. 36.8$ 0.0$ 0.0$ 192.8$ 1031 &[6900 ]20690 $50722 &22611 $ 6517 $[1309 ] 267.6$ Med.
Max 41133$ 75720$ 4865$ 15928$ 126220& [79597] 169238$ 204084& 58016$ 18747$ [14986] 32753$ [41939] [503269] Max
Min 0$ 0$ 0$ 0$ 0& [385] 3956$ 7589& 3344$ 733$ [274] 3$ [2545] [29409] Min
Total 48783$ 84923$ 10474$ 53082$ 197924&[281327] 855707$1426987& 640076$ 198816$ [53422] 46692$ [327653][3898212] 221 Total
OK 100% 100% 100% 100% 100% 97% 100% 100% 100% 100% 98% 100% 100% 100% OK
Cnt 24 24 24 24 24 25 25 25 25 25 25 24 25 25 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