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Peak Streamflow for the Nation

USGS 05586100 ILLINOIS RIVER AT VALLEY CITY, IL

Scott County, Illinois
Hydrologic Unit Code 07130011
Latitude  39°42'11.5", Longitude  90°38'35.1" NAD83
Drainage area 26,743  square miles
Gage datum 417.68 feet above NAVD88
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
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Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1921 1921-05-05 14.603 34,8005
1922 1922-04-20 25.103 93,1005
1923 1923-03-28 15.403 38,3005
1924 1924-07-04 19.103 55,4005
1925 1925-03-28 15.403 38,6005
1926 1926-09-19 22.203 71,2005
1927 1926-10-09   105,0002,5
1928 1927-12-15 19.203 59,2005
1929 1929-04-16   63,3002,5
1930 1930-03-05 18.003 48,0005
1931 1931-06-15 11.503 23,3005
1932 1932-01-26 15.003 36,0005
1933 1933-05-23 25.503 90,8005
1934 1934-04-08 9.403 15,8005
1935 1935-05-18   70,8002,5
1936 1936-03-05 19.803 57,3005
1937 1937-05-10 17.303 46,4005
1938 1938-04-16 21.803 68,6005
1939 1939-03-22 18.082,3 69,5005
1940 1940-03-08   25,6001,5
1941 1941-06-17   26,0001,5
1942 1942-02-17   73,6001,5
1943 1943-05-26 28.613 123,0005
1944 1944-04-29 24.862,3 102,0005
1945 1945-05-24 18.072,3 62,8005
1946 1946-01-14 18.882,3 66,0005
1947 1947-06-11 20.152,3 68,3005
1948 1948-04-01 20.592,3 73,6005
1949 1949-02-27 16.913 59,8005
1950 1950-05-02 20.432,3 77,2005
1951 1951-02-28 20.153 77,8005
1952 1952-04-25 17.482,3 55,7005
1953 1953-04-07 11.782,3 35,2005
1954 1954-04-24 11.072,3 33,3005
1955 1955-02-27 11.872,3 37,7005
1956 1956-06-02 9.533 29,7005
1957 1957-05-06 18.213 66,3005
1958 1958-06-22 15.972,3 60,8005
1959 1959-02-19 18.012,3 64,3005
1960 1960-04-07 20.882,3 73,0005
1961 1961-05-16 15.733 53,0005
1962 1962-03-29 22.273 91,1005
1963 1963-03-09 13.443 41,1005
1964 1964-04-27 14.512,3 48,7005
1965 1965-04-18 17.622,3 55,0005
1966 1966-05-25 17.932,3 65,6005
1967 1967-04-10 14.692,3 48,6005
1968 1968-02-11 18.232,3 66,9005
1969 1969-02-09 17.622,3 62,9005
1970 1970-05-22 22.573 94,8005
1971 1970-10-01 17.433 61,4005
1972 1972-05-01 15.672,3 51,2005
1973 1973-05-02 26.252,3 102,0005
1974 1974-06-29 24.843 110,0005
1975 1975-03-04 16.463 55,1005
1976 1976-03-13 20.632,3 80,6005
1977 1977-05-12 13.812,3 45,9005
1978 1978-05-20 19.853 72,6005
1979 1979-04-19 27.283 111,0005
1980 1980-06-07 16.952,3 76,9005
1981 1981-05-24 20.953 75,5005
1982 1982-03-24 25.563 104,0005
1983 1982-12-12 26.403 112,0005
1984 1984-03-28 21.602,3 76,8005
1985 1985-03-10 27.623 122,0005
1986 1985-11-27 24.853 96,8005
1987 1986-10-11 21.603 69,6005
1988 1988-04-14 13.843 41,8005
1989 1989-09-18 10.803 32,8005
1990 1990-06-27 18.90 76,5005
1991 1991-05-31 16.772 67,4005
1992 1992-08-03 10.83 38,4005
1993 1993-08-01 25.002 92,4005
1994 1994-04-22 17.462 74,8005
1995 1995-05-31 26.452 109,0005
1996 1996-06-07 21.452 83,8005
1997 1997-03-06 21.072 88,4005
1998 1998-05-16 19.212 77,4005
1999 1999-02-04 15.372 62,4005
2000 2000-06-30 12.742 43,8005
2001 2001-03-04 18.332 74,6005
2002 2002-05-19 25.522 106,0005
2003 2003-05-17 11.292 41,8005
2004 2004-06-21 14.062 51,7005
2005 2005-01-20 21.172 93,5005
2006 2006-04-10 9.462 35,6005
2007 2007-04-03 17.242 69,9005
2008 2008-09-24 21.112 92,2005
2009 2009-05-21 23.702 105,0005
2010 2010-06-29 22.822 92,2005
2011 2011-06-28 20.832 76,0005
2012 2012-05-15 9.762 36,6005
2015 2015-07-02 26.772 113,0005
2016 2016-01-05 25.552 116,0005
2017 2017-05-11 21.652 84,9005
2018 2018-03-06 17.482 73,2005
2019 2019-05-10 26.172 101,0005
2020 2020-05-26 22.992 100,0006
2021 2021-07-07 15.582 66,7005
2022 2022-04-15 14.982 61,6005
2023 2023-03-13 12.672 53,2005
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.