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Peak Streamflow for the Nation

USGS 12456500 CHIWAWA RIVER NEAR PLAIN, WA

Chelan County, Washington
Hydrologic Unit Code 17020011
Latitude  47°50'15", Longitude 120°39'40" NAD27
Drainage area 170  square miles
Gage datum 2,100.00 feet above NGVD29
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
Reselect output format
Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1914 1914-05-15   2,400
1937 1937-06-03 7.44 2,880
1938 1938-05-25 7.66 3,210
1939 1939-05-16 6.83 2,170
1940 1940-05-24 7.14 2,540
1941 1941-05-02 6.04 1,360
1942 1942-05-26 7.12 2,510
1943 1943-05-26 7.55 3,060
1944 1944-05-16 6.04 1,360
1945 1945-05-31 7.27 2,700
1946 1946-05-27 7.55 3,060
1947 1947-05-08 7.50 3,000
1948 1948-05-29 9.17 5,880
1949 1949-05-16 8.31 4,250
1955 1955-06-13 8.26 4,730
1956 1956-06-01 8.87 5,080
1957 1957-05-19 7.77 3,460
1991 1990-11-25 9.26 6,810
1992 1992-05-08 6.81 2,470
1993 1993-05-14 7.27 3,130
1994 1994-05-09 6.68 2,260
1995 1995-05-30 7.66 3,700
1996 1995-11-30 9.36 7,030
1997 1997-05-16 8.05 4,370
1998 1998-05-07 7.60 3,600
1999 1999-06-17 8.39 5,550
2000 1999-11-13 7.06 2,780
2001 2001-05-25 6.68 2,260
2002 2002-06-16 7.52 3,470
2003 2003-06-08 7.18 2,950
2004 2003-10-21 7.68 3,730
2005 2005-05-10 6.102 1,570
2006 2006-05-19 8.01 4,790
2007 2006-11-07 7.79 4,320
2008 2008-05-19 7.73 4,340
2009 2009-06-06 6.89 2,670
2010 2010-06-14 6.76 2,470
2011 2011-06-08 7.11 3,030
2012 2012-05-16 6.93 2,730
2013 2013-05-13 7.24 3,260
2014 2014-05-17 7.18 3,150
2015 2014-11-28 6.19 1,700
2016 2016-04-22 7.34 3,440
2017 2017-05-31 7.90 4,550
2018 2018-05-09 7.74 4,210
2019 2019-05-13 6.76 2,360
2020 2020-05-31 7.48 3,570
2022 2022-06-10 7.40 3,020
2023 2023-05-17 7.69 3,600
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  Peak Gage-Height Qualification Codes.