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Department of Water and Environmental Regulation HYMONTH V128 Output 15/01/2026
Site 708002 Fortescue River - Gregory Gorge Site 708002
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
1968 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.0] 0.0$ [0.0] [0.0] 325 1968
1969 0.0$ 1111 $ 44.9$ 0.0$ 78.1$ 438.2$ 516.6$ 379.9$ 207.8$ 30.1$ 0.0$ 0.0$ 233.9$ 2807 $ 0 1969
1970 0.0$12551 $ 793.3$ 71.0$30953 $22174 $ 422.8$ 340.3$ 259.9$ 50.9$ 0.0$ 0.0$ 5635 $ 67616 $ 0 1970
1971 26678$ 341243$ 4936$ 1280$ 326$ 115879$ 926$ 843$ 367$ 103$ 0$ 0$ 41048$ 492581$ 0 1971
1972 758$ 4904$ 726$ 0$ 0$ 0$ 405$ 467$ 92$ 0$ 0$ 0$ 613$ 7353$ 0 1972
1973 120143$ 1613$ 219669$ 1055$ 502$ 925$ 615$ 592$ 176$ 2$ 0$ 1193$ 28874$ 346486$ 0 1973
1974 102186$ 12460$ [423] [308] 493$ 561$ 638$ 716$ 841! 29$ 0$ 4291$ [10246] [122947] 16 1974
1975 98$ 46$ 61$ 69$ 0$ 0$ 0$ 117$ 14$ 0$ 0$1254008$ 104534$ 1254412$ 0 1975
1976 20400 $ 6784 !66957 $ 576.4$ 349.0$ 379.0$ 430.4$ 362.7$ 164.5$ 59.5$ 0.2$ 18.8$ 8040 ! 96481 ! 0 1976
1977 184.0$ 664.3$ 42.2$ 0.0$ 0.0$ 0.0$ 620.4$ 4886 $ 252.6$ 0.0$ 0.0$ 288.8$ 578.2$ 6938 $ 0 1977
1978 2683 $ [594.5] [811.1] 440.5$ 54.1$ 138.0$ 269.3$ 4519 $ 216.6$ 11.8$ 0.0$ 0.0$ [811.5] [9738 ] 11 1978
1979 40.0$ 1647 $11652 $ 21.8$ 62.7$ 0.2$ 0.0$ 0.0$ 0.0$ 0.0$ 0.0$ 515.6$ 1162 $ 13940 $ 0 1979
1980 33611 $ 8108 $ 1112 $ 371.0$ 17.3$ 1364 $ 2799 $ 141.5$ 2.2$ 0.0$ 0.0$ 258.9! 3982 ! 47784 ! 0 1980
1981 [5600] [ ] [1117] 9! 0! 0$ 0$ 0$ 0$ 0$ 0$ 0$ [611] [6725] 49 1981
1982 51933$ 103973$ 3425$ 388$ 1228$ 278$ 180$ 58$ 1$ 0$ 0$ 2587$ 13671$ 164051$ 0 1982
1983 1$ 245$ 1$ 0$ 0$ 0$ 0$ 0$ 0$ 0$ 0$ 0$ 21$ 248$ 0 1983
1984 3842$ 7063$ 572207$ 568$ 3305$ 466$ 557$ 397$ 104$ 6$ 0$ 49$ 49047$ 588564$ 0 1984
1985 6026$ 192005$ 1328$ 364$ 240$ 110$ 156$ 86$ 3$ 0$ 0$ 0$ 16693$ 200316$ 0 1985
1986 0$ 1849$ 34$ 0$ 0$ 0$ 0$ 0$ 0$ 0$ 0$ 0$ 157$ 1883$ 0 1986
1987 141958$ 16896$ 2587$ [8] [ ] [ ] [ ] [ ] [ ] [0] 0$ 0$ [23064] [161450] 176 1987
1988 2345$ 21763$ 1290$ 4296$ 3093$ 391$ 305$ 221$ 33$ 0$ 0$ 1248$ 2915$ 34985$ 0 1988
1989 688$ 1875$ 1352$ 7364$ 304$ 39885$ 493$ 340$ 180$ 9$ 0$ 0$ 4374$ 52490$ 0 1989
1990 0$ 479$ 437$ 4$ 0$ 0$ 264$ 309$ 50$ 1$ 0$ 0$ 129$ 1544$ 0 1990
1991 623$ 2797$ 729$ 0$ 2465$ 17941$ 572$ 328$ 158$ 8$ 0$ 0$ 2135$ 25622$ 0 1991
1992 0$ 0$ 0$ 4747$ 14106$ 482$ 343$ 307$ 226$ 55$ 0$ 0$ 1689$ 20267$ 0 1992
1993 10139$ 325561& 961^ 370^ 473^ 1133^ 577^ 580^ 428^ 220^ 7^ 333^ 28398^ 340781^ 0 1993
1994 227^ 14620^ 9006^ 47^ 16^ 211^ 263^ 273^ 179^ 975^ 1^ 396^ 2185^ 26214^ 0 1994
1995 923^ 324127^ 41098$ 1418^ 509^ 2383^ 879^ 626^ 447^ 228^ 49! 0! 31057! 372687! 0 1995
1996 0! 0^ 131^ 32637^ 374^ 552^ 937^ 526^ 290^ 52^ 0^ 14636^ 4178! 50134! 0 1996
1997 46253^ 202741$ 3388^ 572^ 724^ 716^ 890^ 966^ 604^ 87^ 0^ 0^ 21412^ 256940^ 0 1997
1998 0^ 45^ 11718^ 392^ 1036^ 1078^ 3215^ 388^ 214^ 23^ 0^ 0^ 1509^ 18110^ 0 1998
1999 147^ 270553^ 257913& 27446& 1313& 1159& 1044& 890^ 591^ 640^ 241^ 184359^ 62191^ 746296^ 0 1999
2000 23987$ 55148$ 553926$ 121039$ 14941$ 2129$ 1642& 1321& 886^ 576^ 475^ 2271^ 64862^ 778341^ 0 2000
2001 6913^ 349550$ 10577& 869^ 1137& 1282& 1479& 1139& 877^ 630^ 201^ 0^ 31221^ 374654^ 0 2001
2002 14^ 2954^ 7101^ 378^ 606^ 1280^ 1046& 885^ 538^ 31^ 0^ 0^ 1236^ 14834^ 0 2002
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
! ... Not reviewed / Quality not known
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available
^ ... Relative Uncertainty +/-50%
Department of Water and Environmental Regulation HYMONTH V128 Output 15/01/2026
Site 708002 Fortescue River - Gregory Gorge Site 708002
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
2003 0^ 13248^ 244^ 91^ 92^ 437^ 621^ 611^ 327^ 12^ 0^ 0^ 1307^ 15682^ 0 2003
2004 0^ 49495^ 494179& 1271^ 585^ 533^ 1024^ 778^ 600^ 242^ 63^ 1^ 45731^ 548771^ 0 2004
2005 127^ 2851^ 1492^ 81^ 690^ 840^ 3558& 899^ 532^ 120^ 5^ 0^ 933^ 11195^ 0 2005
2006 171208^ 70664$ 291012$ 588718$ 5201$ 3591$ 2833$ 2078$ 1522& 1618& 1111^ 993^ 95046^ 1140549^ 0 2006
2007 1314^ 689^ 11902^ 2000& 1895& 1749& 1710& 1614& 1663& 1742& 2457$ 4828& 2797^ 33564^ 0 2007
2008 4582& 69614$ 36707$ 30644$ 6194$ 4241$ 2552& 1966& 1675& 1304& 793^ 3364^ 13636^ 163635^ 0 2008
2009 9045^ 317568$ 23993$ 2404$ 2671$ 3824$ 3469$ 3157$ 2468$ 1990& 1388& 1087^ 31089^ 373064^ 0 2009
2010 12000& 1193& 1789& 1804$ 2381$ 2774$ 3178$ 2838$ 2487$ 1218^ 363^ 954^ 2748^ 32978^ 0 2010
2011 31115^ 267268$ 79030$ 2854$ 3880$ 3695$ 3621$ 3254$ 2407$ 2178$ 1835& 573^ 33476^ 401709^ 0 2011
2012 158512^ 31872$ 5227$ 2612$ 2444$ 3215$ 2657$ 2279$ 1409^ 586^ 359^ 9062^ 18353^ 220234^ 0 2012
2013 434605$ 29060$ 1907& 3620& 2207$ 4877$ 2687$ 1892$ 1171^ 499^ 1087^ 14256^ 41489^ 497869^ 0 2013
2014 44023^ 32489^ 4344^ 1599^ 16612$ 4140$ 4085$ 3152$ 1815^ 368^ 114^ 31^ 9398^ 112772^ 0 2014
2015 3140^ 903^ 33077^ 2130& 33357$ 14433$ 3417$ 2261$ 989^ 116^ 23^ 1903^ 7979^ 95750^ 0 2015
2016 3075^ 3724^ 243^ 41^ 251^ 1631^ 1946& 1455& 681^ 47^ 0^ 7918^ 1751^ 21012^ 0 2016
2017 62610^ 70674$ 3424& 1555& 1211& 1206& 1292& 1003^ 157^ 25^ 0^ 296^ 11954^ 143452^ 0 2017
2018 20314^ 2220& 235^ 177^ 40^ 5907^ 1515& 1344& 571^ 4^ 0^ 0^ 2694^ 32327^ 0 2018
2019 193^ 98^ 1467^ 900^ 503^ 683^ 952^ 803^ 291^ 0^ 0^ 878^ 564^ 6768^ 0 2019
2020 1558^ 276688^ 1665^ 499^ 517^ 675^ 665^ 564^ 23^ 1^ 1743^ 27089^ 25974^ 311688^ 0 2020
2021 2522^ 180554& 6823& 25732& 18236$ 2341$ 2004$ 1307& 770^ 217^ 4^ 15^ 20044^ 240526^ 0 2021
2022 782^ 1362^ 1495^ 699^ 131954^ 69672$ 2285$ 2134$ 1720& 743^ 106^ 793^ 17812^ 213747^ 0 2022
2023 5111^ 31105& 7859& 1504& 1052& 1619& 1878$ 1557& 726^ 8^ 1^ 71^ 4374^ 52492^ 0 2023
2024 426^ 296^ 28882^ 1011^ 1172& 2070& 2107$ 2318$ 1188^ 414^ 3464^ 182^ 3628^ 43530^ 0 2024
2025 17620^ 5340^ 607^ 381^ 585^ 1093& 1260& 1482^ 587^ 16^ 0^ 3119^ 2674^ 32090^ 0 2025
2026 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2026
Mean [27935 ][66874 ][49564 ][15429 ] 5579 ! 6225 ^ 1318 ^ 1138 ^ 610.4! [303.4] [274.0]26618 ! [16620 ][197442 ] Mean
Med. [2683 ][7586 ][1907 ] [571.6] 595.6! 1113 ^ 931.4^ 790.2^ 347.0! [31.4] [0.0] 126.5! Med.
Max [434605][349550][572207][588718] 131954! 115879^ 4085^ 4886^ 2487! [2178] [3464]1254008! [104534][1254412] Max
Min [0] [0] [0] [0] 0! 0^ 0^ 0^ 0! [0] [0] 0! [0] [0] Min
Total1592282]3744948]2825155][879437] 312437! 348579^ 73805^ 63748^ 34182! [17295] [15890]1543864! [963963]11451622] 942 Total
OK 99% 99% 99% 99% 100% 100% 100% 100% 100% 100% 99% 100% 100% 100% OK
Cnt 57 56 57 57 56 56 56 56 56 57 58 58 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 +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available
^ ... Relative Uncertainty +/-50%