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 14/08/2026
Site 602014 King River - Billa Boya Reserve Site 602014
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
1992 248.8 $ 298.3 $ 252.7 $ 277.7 $ 717.1 $1885 $2113 $6591 &6970 &2319 &2463 & 828.0 # 2080 & 24964& 0 1992
1993 196.8 $ 221.1 # 589.8 $ 542.1 #1937 #6096 $6268 &4922 $4038 #1748 $ 521.1 # 266.7 # 2279 & 27347& 0 1993
1994 208.3 $ 182.7 $ 210.0 $ 282.2 #1448 $2122 $1562 #3667 &1657 $1470 # 391.2 # 210.2 $ 1118 & 13411& 0 1994
1995 187.5 $ 156.9 $ 216.9 $ 275.3 # 730.2 #1257 $2065 $1553 #2855 & 877.5 # 448.8 # 482.5 # 925.5 & 11106& 0 1995
1996 227.1 $ 143.6 $ 190.1 $ 265.4 # 356.0 # 678.9 #1994 $2817 &3570 &1832 $ 507.7 # 735.4 # 1110 & 13318& 0 1996
1997 156.1 $ 225.1 $ 218.0 $ 258.8 # 461.8 #1030 #1729 $2590 &4818 & 634.4 # 276.8 # 225.2 $ 1052 & 12623& 0 1997
1998 122.8 $ 103.7 $ 326.5 $ 535.8 # 827.4 #1016 #2191 $3624 &3888 &1085 $ 348.2 # 256.5 $ 1194 & 14325& 0 1998
1999 211.7 $ 173.3 $ 263.5 $ 234.3 # 916.0 $2038 $2217 $1935 $2709 &1809 $ 364.3 # 211.1 $ 1090 & 13081& 0 1999
2000 222.0 $ 189.6 $ 555.3 $ 357.1 # 579.3 # 855.8 #2641 $2410 $1563 & 354.3 # 212.7 $ 149.5 $ 840.8 & 10089& 0 2000
2001 128.0 $ 90.43$ 141.2 $ 171.9 $ 601.8 $ 898.6 # 963.1 $1450 #1783 & 914.2 $ 332.7 #1936 & 784.3 & 9411 & 0 2001
2002 164.3 $ 104.5 $ 136.5 $ 450.5 $ 337.3 # 931.9 #1303 $1617 $ 970.4 # 650.0 # 297.8 $ 124.3 $ 590.6 $ 7087 $ 0 2002
2003 85.26$ 137.9 $ 102.6 $ 344.3 $ 421.6 # 878.3 #1954 $3215 &3104 &2907 & 493.1 # 235.7 $ 1157 &13880 & 0 2003
2004 160.5 $ 173.3 $ 184.7 $ 245.1 $ 503.1 # 981.1 #1372 #2034 # 916.0 # 309.6 # 205.7 $ 97.06$ 598.5 $ 7182 $ 0 2004
2005 79.43$ 174.3 $ 127.1 $3161 &1474 $7159 &2014 $1486 #1633 # 978.5 # 420.8 # 287.5 $ 1583 &18993 & 0 2005
2006 199.6 $ 160.1 $ 225.2 $ 434.8 # 453.6 # 581.0 #1636 $ 771.5 # 523.7 # 357.3 # 195.3 $ 111.1 $ 470.7 $ 5649 $ 0 2006
2007 81.59$ 61.56$ 110.6 $ 212.8 $ 350.9 # 726.8 $ 935.2 #1232 #1513 $ 689.4 $ 268.4 $ 249.5 $ 536.0 $ 6432 $ 0 2007
2008 106.9 $ 81.76$ 82.09$ 490.6 $ 422.7 # 880.2 #1939 $1160 # 727.2 # 686.3 #2567 & 460.5 $ 800.4 & 9605 & 0 2008
2009 122.3 $ 82.30$ 143.0 $ 229.0 $ 351.6 #1724 $3306 &2182 $3088 $ 783.3 # 283.5 # 141.3 $ 1036 &12436 & 0 2009
2010 91.00$ 85.68$ 120.7 $ 252.3 $ 318.0 # 704.2 #1531 $1123 # 627.5 # 288.1 # 258.0 $ 135.8 $ 461.3 $ 5535 $ 0 2010
2011 133.4 $ 132.1 $ 93.42$ 170.8 $ 414.1 # 590.7 #2035 &2149 $1145 $1018 $ 873.4 $ 299.8 $ 754.6 & 9055 & 0 2011
2012 86.74$ 71.19$ 83.96$ 164.0 $ 328.0 #3693 &1495 #1334 #2663 & 457.7 # 303.1 $ 221.7 $ 908.4 &10901 & 0 2012
2013 88.27$ 60.58$ 231.9 $ 225.9 $ 397.0 # 636.5 #1312 $2225 $2483 & 888.1 $ 250.8 # 185.8 $ 748.7 & 8984 & 0 2013
2014 86.26$ 88.68$ 83.07$ 140.9 $ 379.3 # 531.3 #1574 $ 560.3 # 515.4 # 791.0 # 231.9 $ 126.2 $ 425.6 $ 5108 $ 0 2014
2015 66.69$ 50.89$ 89.53$ 379.4 $ 384.6 # 458.7 # 815.2 #1331 # 860.3 # 263.1 # 200.3 $ 197.4 $ 424.8 $ 5097 $ 0 2015
2016 174.6 $ 94.13$ 135.1 $ 401.7 $ 865.7 #1693 #2267 $3154 &2225 $1472 $ 304.1 $ 193.3 $ 1082 &12979 & 0 2016
2017 116.3 $ 161.1 $ 188.5 $ 232.7 $ 317.1 # 367.0 #1039 #3362 &3714 &1094 # 245.5 # 278.3 $ 926.3 &11115 & 0 2017
2018 146.1 $ 91.86$ 118.4 $ 151.5 $ 221.7 $ 339.1 # 688.7 #2122 $ 761.6 # 390.0 # 230.7 # 149.2 $ 450.9 $ 5411 $ 0 2018
2019 77.32$ 66.65$ 107.3 $ 194.1 $ 221.9 $ 331.6 $ 777.0 #1313 # 518.7 # 297.5 # 244.8 $ 91.85$ 353.5 $ 4242 $ 0 2019
2020 70.66& 58.84$ 70.52$ 78.76$ 322.7 $ 477.9 # 802.1 #4201 &1519 $ 350.7 $ 351.6 $ 151.1 $ 704.6 & 8455 & 0 2020
2021 91.58$ 117.6 $ 102.5 $ 336.9 $2271 &6136 &5585 &3496 &3038 $1804 # 461.4 # 218.7 $ 1972 & 23659& 0 2021
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
# ... Relative Uncertainty +/-15%
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available
Department of Water and Environmental Regulation HYMONTH V128 Output 14/08/2026
Site 602014 King River - Billa Boya Reserve Site 602014
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
2022 134.3 $ 116.6 $ 184.4 $ 363.2 # 570.0 #1068 #1010 #2353 $ 819.0 #1273 $ 811.6 # 225.2 $ 744.1 $ 8929 $ 0 2022
2023 108.1 $ 67.96$ 125.8 $ 465.2 $ 348.5 #4386 &2842 &2430 &1133 # 408.3 # 347.2 # 197.4 # 1072 &12860 & 0 2023
2024 183.2 $ 97.22$ 126.4 $ 149.0 $ 313.9 # 652.9 # 969.0 #1346 # 559.4 # 386.9 # 192.8 $ 98.25$ 423.0 $ 5075 $ 0 2024
2025 73.60$ 63.70$ 658.0 $ 352.8 $ 335.8 #1290 #3580 &3223 &3948 & 528.5 # 705.6 # 204.6 $ 1247 &14963 & 0 2025
2026 120.4 $ 94.11$ 340.2 $ 295.9 # 531.7 #1421 $1153 $[506.1 ] [ ] [ ] [ ] [ ] [557.8 ][4463 ] 142 2026
Mean 135.9 & 122.3 $ 198.2 $ 375.0 & 612.3 &1615 &1934 &[2328 ]2143 & 944.6 & 488.6 & 293.6 & [928.6 ][11079 ] Mean
Med. 122.8 & 103.7 $ 141.2 $ 275.3 & 421.6 & 931.9 &1636 &[2149 ]1645 & 787.2 & 318.4 & 210.6 & Med.
Max 248.8 & 298.3 $ 658.0 $3161 &2271 &7159 &6268 &[6591 ]6970 &2907 &2567 &1936 & [2279 ][27347 ] Max
Min 66.69& 50.89$ 70.52$ 78.76& 221.7 & 331.6 & 688.7 &[506.1 ] 515.4 & 263.1 & 192.8 & 91.85& [353.5 ][4242 ] Min
Total 4758 & 4279 $ 6936 $13123 &21429 &56515 &67674 &[81486 ]72859 &32116 &16611 & 9982 & [32500 ][387767 ] 142 Total
OK 100% 100% 100% 100% 100% 100% 100% 98% 100% 100% 100% 100% 100% 100% OK
Cnt 35 35 35 35 35 35 35 35 34 34 34 34 35 35 Cnt
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
# ... Relative Uncertainty +/-15%
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available