Copyright © Government of Western Australia
Information supplied by the Department of Water and Environmental Regulation is protected by the Copyright Act 1968. That copyright belongs to the State of Western Australia.
Apart from any fair dealing for the purpose of private study, research, criticism or review, as permitted under the Copyright Act 1968, no part may be
reproduced or reused for any purpose without the written permission of the Department of Water and Environmental Regulation. Please click on the Copyright
link for full details.
Disclaimer / limitation of liability
The information contained herein is provided by the Department of Water and Environmental Regulation in good faith as a public service.
However, the Department does not guarantee the accuracy of this information, and it is the responsibility of recipients to make their own enquiries
as to its accuracy, currency and appropriateness. Telemetered data is provisional only and has not been verified for accuracy. If any aspect of this information is of significance to you, you should
discuss your particular circumstances with the Department. Please click on the Disclaimer
link for full details.
Should you require further information or technical assistance, please contact one of our water information officers.
Department of Water and Environmental Regulation HYMONTH V128 Output 03/05/2025 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 03/05/2025 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^ 3627^ 43530^ 0 2024 2025 17619^ 5340^ 582^ 135^ [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [5919] [23676] 245 2025 Mean [27935 ][66874 ][49564 ][15424 ] 5670 ! 6318 ^ 1319 ^ 1132 ^ 610.8! [308.6] [278.8]27031 ! [16676 ][197297 ] Mean Med. [2683 ][7586 ][1907 ] [571.6] 606.4! 1133 ^ 925.6^ 777.7^ 326.7! [39.0] [0.0] 71.1! 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]2825131][879191] 311852! 347486^ 72545^ 62265^ 33595! [17279] [15890]1540745! [967208]11443208] 822 Total OK 99% 99% 99% 99% 100% 100% 100% 100% 100% 100% 99% 100% 100% 100% OK Cnt 57 56 57 57 55 55 55 55 55 56 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 +/-20% & ... Relative Uncertainty +/-30% [ ... Not Available ^ ... Relative Uncertainty +/-50%