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Peak Streamflow for the Nation

USGS 05440700 ROCK RIVER AT BYRON, IL

Ogle County, Illinois
Hydrologic Unit Code 07090005
Latitude  42°07'19.88", Longitude  89°15'19.31" NAD83
Drainage area 7,990  square miles
Contributing drainage area 7,990.00  square miles
Gage datum 666.00 feet above NAVD88
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
Reselect output format
Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
2001 2001-02-25 11.74 21,000
2002 2002-06-05 14.67 30,800
2003 2003-05-15 8.11 9,290
2004 2004-06-13 13.19 26,100
2005 2005-02-15 11.08 18,400
2006 2006-03-14 8.67 11,200
2007 2007-08-25 15.52 34,500
2008 2008-06-15 14.812 30,500
2009 2009-03-11 13.66 27,900
2010 2010-07-25 16.50 37,700
2011 2011-03-24 10.49 16,000
2012 2011-11-10 8.99 12,700
2013 2013-04-20 17.08 40,100
2014 2014-07-02 11.51 19,200
2015 2015-06-17 11.54 19,300
2016 2015-12-16 10.941,2 17,400
2017 2017-07-22 15.38 33,300
2018 2018-02-22 15.15 32,300
2019 2019-03-16 16.64 38,500
2020 2019-10-04 14.43 29,700
2021 2021-03-11 10.27 15,300
2022 2022-09-12 9.92 14,400
2023 2023-04-05 11.67 19,600
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  Peak Gage-Height Qualification Codes.