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 HYANN V87 Output 29/01/2023 Site 607013 Lefroy Brook - Rainbow Trail Variable 151.00 Stream Discharge Volume in Megalitres Year Annual Days Rank Total Missing (Megalitres) ----------------------------------------------- 1979 33200 107 23 1980 40440 13 1981 62070 2 1982 30810 26 1983 40940 12 1984 49200 5 1985 32500 24 1986 22420 32 1987 11790 40 1988 49990 4 1989 34310 22 1990 43320 10 1991 46350 7 1992 42300 11 1993 35340 19 1994 22900 31 1995 35950 17 1996 65220 1 1997 44140 9 1998 37180 15 1999 61250 3 2000 38620 14 2001 16570 37 2002 23010 30 2003 35160 20 2004 22120 33 2005 34510 21 2006 19090 36 2007 24540 28 2008 36150 16 2009 44940 8 2010 6370 44 2011 13590 39 2012 8870 43 2013 32160 25 2014 24530 29 2015 11370 42 2016 47210 6 2017 19110 35 2018 25870 27 2019 11740 41 2020 14970 38 2021 35900 18 2022 21440 34 2023 124.7 338 45 Total 1410000 445 Minimum 124.7 Maximum 65220 Mean 31320 Median 33200