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Peak Streamflow for the Nation

USGS 06479215 BIG SIOUX RIVER NEAR FLORENCE,SD

Grant County, South Dakota
Hydrologic Unit Code 10170201
Latitude  45°10'51", Longitude  97°11'09" NAD27
Drainage area 68.3  square miles
Contributing drainage area 68.3  square miles
Gage datum 1,792 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)
1984 1984-06-15 8.05 194
1985 1985-03-20 7.722 268
1986 1986-03-29 9.08 1,810
1987 1987-03-25 7.51 177
1988 1988-02-28 5.621 14.02
1989 1989-03-27 8.341 5002
1990 1990-05-23 4.792 21.0
1991 1991-08-02 8.16 287
1992 1992-06-30 7.72 268
1993 1993-07-25 9.18 1,280
1994 1994-03-19 8.79 1,140
1995 1995-03-11 9.021 1,200
1996 1995-10-28 7.942 387
1997 1997-04-04 9.322 2,000
1998 1998-05-16 8.122 528
1999 1998-10-17 6.55 134
2000 2000-04-22 3.29 20.0
2001 2001-04-07 9.071 1,200
2002 2002-03-29 7.101 110
2003 2003-03-17 7.291 100
2004 2004-07-10 4.78 54.0
2005 2005-06-08 7.48 104
2006 2006-03-30 6.60 131
2007 2007-03-21 8.011 450
2008 2008-06-11 8.36 738
2009 2009-03-17 8.501 650
2010 2010-03-17 8.241,2 500
2011 2011-04-04 8.451 850
2012 2012-04-18 4.21 43.0
2013 2013-04-28 7.321,2 200
2014 2014-06-19 8.011 272
2015 2015-03-11 5.671,2 70.0
2016 2016-04-26 4.092 39.0
2017 2017-02-22 6.371,2 96.0
2018 2018-04-21 8.251,2 4992
2019 2019-03-27 8.951 9972
2020 2020-05-05 6.892 191
2021 2021-04-09 4.92 66.3
2022 2022-03-16 7.491 2202
2023 2023-04-13 9.701 2,480
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.