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Department of Water and Environmental Regulation HYMONTH V128 Output 24/09/2023
Site 616216 Helena River - Poison Lease Gs Site 616216
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
1966 [ ] [ ] [ ] [ ] [0.00] 100.4 &2254 #1149 "1356 " 324.1 " 47.87& 0.52& [653.9 ][5231 ] 145 1966
1967 0.00& 0.00& 0.00& 0.00& 228.6 &4423 #6748 #5265 #2540 # 284.2 # 29.37& 0.33& 1626 &19518 & 0 1967
1968 0.00& 0.00& 0.00& 0.00& 0.00& 603.6 &2781 #3485 #2654 # 928.0 " 115.2 & 6.45& 881.0 &10572 & 0 1968
1969 0.00& 0.00& 0.00& 0.00& 0.00& 207.1 & 544.2 " 488.1 " 138.3 # 47.75& 1.38& 0.00& 118.9 & 1427 & 0 1969
1970 0.00& 0.00& 0.00& 0.00& 0.00&2885 &1950 "1291 " 758.1 " 847.2 " 62.99& 0.40& 649.6 & 7795 & 0 1970
1971 0.0& 0.0& 0.0& 0.0& 0.0& 12.3& 149.3$ 439.2" 1162 # 1522 " 133.3# 13.4& 286.0& 3432 & 0 1971
1972 0.0& 0.0& 0.0& 0.0& 0.0& 0.0& 175.4& 1838 " 570.2" 148.6$ 22.0& 0.0& 229.5& 2754 & 0 1972
1973 0.0& 0.0& 0.0& 0.0& 0.0& 216.8& 3043 # 4568 # 3686 # 751.0" 137.6& 5.4& 1034 & 12408 & 0 1973
1974 0.0& 0.0& 0.0& 0.0& 191.1& 1116 " 9571 #15760 ! 1390 " 456.1" 139.7$ 14.8& 2387 ! 28639 ! 0 1974
1975 0.0& 0.0& 0.0& 0.0& 0.0& 145.3& 2820 # 3537 # 1377 " 587.2" 100.0& 7.4& 714.5& 8574 & 0 1975
1976 0.00& 0.00& 0.00& 0.00& 0.00& 3.08& 102.6 $ 753.7 # 281.2 " 147.5 $ 47.25& 1.72& 111.4 & 1337 & 0 1976
1977 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 736.4 & 148.4 # 97.23& 39.78& 2.87& 85.39& 1025 & 0 1977
1978 0.00& 0.00& 0.00& 0.00& 0.00& 53.46&5775 # 700.1 " 438.7 " 282.5 & 18.76& 1.36& 605.9 & 7270 & 0 1978
1979 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 67.63& 284.7 # 145.2 " 64.84& 34.31& 2.32& 49.92& 599.0 & 0 1979
1980 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 418.0 & 629.7 " 388.0 " 128.0 # 23.49& 1.31& 132.4 & 1588 & 0 1980
1981 0.00& 0.00& 0.00& 0.00& 76.25&2818 #4666 #8891 # 965.2 " 333.4 " 261.6 # 24.88& 1503 &18036 & 0 1981
1982 1.30& 0.00& 0.00& 0.00& 0.00& 24.93& 453.6 # 796.8 " 405.0 " 159.6 $ 32.99& 1.71& 156.3 & 1876 & 0 1982
1983 0.00& 0.00& 0.00& 0.00& 0.00& 607.4 &2693 #2758 "6207 # 326.5 # 125.2 & 9.97& 1061 &12727 & 0 1983
1984 0.08& 0.00& 0.00& 0.00& 4.33& 169.4 # 337.3 " 691.8 " 912.9 " 150.9 $ 56.53& 4.73& 194.0 & 2328 & 0 1984
1985 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 257.2 &1167 " 457.3 " 114.3 $ 28.21& 1.05& 168.7 & 2025 & 0 1985
1986 0.00& 0.00& 0.00& 0.00& 0.00& 638.6 &1400 #2511 # 710.1 " 268.0 " 52.97& 9.05& 465.9 & 5590 & 0 1986
1987 0.00& 0.00& 0.00& 0.00& 0.00& 29.52& 639.2 # 840.7 " 279.1 " 167.7 $ 30.12& 4.76& 165.9 & 1991 & 0 1987
1988 0.00& 0.00& 0.00& 0.00& 0.00& 504.5 &2396 #2443 # 994.2 " 939.5 " 117.6 & 11.77& 617.2 & 7407 & 0 1988
1989 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 163.3 & 308.6 " 244.6 " 216.2 # 32.79& 1.00& 80.54& 966.4 & 0 1989
1990 123.5 & 40.00& 0.08& 0.00& 10.39& 64.32&1219 $1358 " 389.1 " 255.2 " 70.37& 5.18& 294.6 & 3535 & 0 1990
1991 0.00& 0.00& 0.00& 0.00& 0.00& 96.33&2063 "3415 !1087 ! 247.9 # 66.06& 6.89& 581.8 ! 6981 ! 0 1991
1992 0.00& 0.00& 0.00& 0.00& 0.00& 81.50& 717.0 "2831 #1883 " 358.7 # 130.5 $ 17.55& 501.6 & 6019 & 0 1992
1993 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 242.6 & 614.0 " 179.3 # 37.01& 2.23& 89.59& 1075 & 0 1993
1994 0.00& 0.00& 0.00& 0.00& 0.00& 3.74& 536.7 # 541.0 " 187.7 # 50.85& 4.53& 0.00& 110.4 & 1325 & 0 1994
1995 0.00& 0.00& 0.00& 0.00& 0.00& 101.8 &3789 $1846 " 934.9 " 646.0 # 79.86& 7.03& 617.0 & 7404 & 0 1995
1996 0.00& 0.00& 0.00& 0.00& 0.00& 626.9 &8655 #6700 #3791 #1054 " 328.0 # 35.44& 1766 &21192 & 0 1996
1997 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 124.2 & 798.5 " 937.2 " 164.2 $ 33.01& 5.19& 171.9 & 2062 & 0 1997
1998 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 113.8 & 607.3 "1238 " 301.1 # 37.60& 6.00& 192.0 & 2304 & 0 1998
1999 0.00& 0.00& 0.00& 0.00& 0.00& 54.25& 924.9 "1856 "2426 "2006 # 118.6 & 16.60& 616.9 & 7402 & 0 1999
2000 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 993.7 &1239 #1444 # 122.6 $ 27.61& 1.36& 319.0 & 3828 & 0 2000
------------------ 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
Department of Water and Environmental Regulation HYMONTH V128 Output 24/09/2023
Site 616216 Helena River - Poison Lease Gs Site 616216
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 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 22.85& 345.4 # 189.6 # 181.6 $ 9.93& 2.47& 62.65& 751.8 & 0 2001
2002 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 90.64& 264.5 " 461.1 " 148.6 # 38.11& 5.65& 84.05& 1009 & 0 2002
2003 0.00& 0.00& 0.00& 0.00& 0.00& 14.88&1201 "2123 " 959.1 " 363.5 # 47.80& 6.20& 393.0 & 4716 & 0 2003
2004 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 86.61&1211 # 652.0 " 146.7 # 42.65& 4.82& 178.6 & 2144 & 0 2004
2005 0.00& 0.00& 0.00& 0.00& 3.06& 946.9 & 609.3 "1174 "1388 " 495.5 " 88.57& 9.12& 392.9 & 4715 & 0 2005
2006 0.09& 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 540.4 & 448.5 " 97.19$ 20.80& 0.34& 92.28& 1107 & 0 2006
2007 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 421.0 &1310 "1000 " 283.9 # 35.88& 2.46& 254.5 & 3054 & 0 2007
2008 0.00& 0.00& 0.00& 0.00& 0.00& 0.00&1115 & 902.4 " 169.4 " 163.0 # 123.6 $ 24.34& 208.2 & 2498 & 0 2008
2009 0.00& 0.00& 0.00& 0.00& 0.00& 0.00&1448 &1953 #1539 # 216.7 # 36.40& 1.66& 432.8 & 5194 & 0 2009
2010 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 2010
2011 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 10.53& 743.5 " 311.4 " 121.2 $ 41.88& 1.86& 102.5 & 1230 & 0 2011
2012 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 65.78& 8.93& 0.00& 0.00& 6.23& 74.71& 0 2012
2013 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 0.00&1314 & 184.5 & 6.06& 0.00& 125.4 & 1505 & 0 2013
2014 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 6.23& 126.5 & 372.7 " 58.88& 2.62& 0.00& 47.25& 567.0 & 0 2014
2015 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 2015
2016 0.00& 0.00& 0.00& 0.00& 7.98& 0.00& 21.60& 492.7 & 261.9 " 111.3 & 6.62& 0.00& 75.17& 902.0 & 0 2016
2017 0.00& 13.55& 0.00& 0.00& 0.00& 0.00& 3.42&1642 # 293.0 # 113.3 $ 6.05& 0.00& 172.6 & 2071 & 0 2017
2018 2.61& 0.00& 0.00& 0.00& 0.74& 35.24& 680.9 &3145 # 421.6 " 109.2 $ 15.12& 0.00& 367.6 & 4411 & 0 2018
2019 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 352.2 & 491.6 " 646.7 # 45.54& 9.35& 0.00& 128.8 & 1545 & 0 2019
2020 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 119.5 & 126.0 $ 18.40& 4.76& 0.00& 22.39& 268.7 & 0 2020
2021 0.00& 0.00& 17.27& 0.00& 0.00& 0.00&3529 &2849 # 503.8 " 347.4 " 74.12& 0.00& 610.0 & 7320 & 0 2021
2022 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 133.3 &4619 # 809.9 " 124.0 # 44.97& 0.49& 477.6 & 5732 & 0 2022
2023 0.00& 0.00& 0.00& 0.00& 0.00& 0.00& 20.60&[125.2 ][129.4 ] [ ] [ ] [ ] [30.58] [275.2 ] 113 2023
Mean 2.24& 0.94& 0.30& 0.00& [9.01] 285.9 &1350 &[1844 ][951.8 ] 316.1 & 57.54& 5.09& [405.2 ][4816 ] Mean
Med. 0.00& 0.00& 0.00& 0.00& [0.00] 0.00& 437.3 &[1026 ][630.3 ] 179.3 & 37.60& 2.23& Med.
Max 123.5 & 40.00& 17.27& 0.00&[228.6 ]4423 &9571 &[15760 ][6207 ]2006 & 328.0 & 35.44& [2387 ][28639 ] Max
Min 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] Min
Total 127.5& 53.5& 17.4& 0.0& [522.4]16584 &78294 &[106942][55204 ]18018 & 3279 & 290.0& [23503 ][279334 ] 258 Total
OK 100% 100% 100% 100% 99% 100% 100% 100% 99% 100% 100% 100% 100% 100% OK
Cnt 57 57 57 57 58 58 58 58 58 57 57 57 58 58 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