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Peak Streamflow for the Nation

USGS 07020500 Mississippi River at Chester, IL

Randolph County, Illinois
Hydrologic Unit Code 07140105
Latitude  37°54'02.67", Longitude  89°49'48.76" NAD83
Drainage area 708,600  square miles
Gage datum 340.72 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)
1844 1844-06-30 39.80 1,050,0001,6,7
1926 1926-09-30 23.80 501,0001,6
1927 1927-04-27 34.40 1,060,0001,6
1928 1928-06-23 28.00 626,0001,6
1929 1929-04-29 33.302 878,0001,6
1930 1930-06-21 19.70 342,0001,6
1931 1931-06-16 14.40 221,0001,6
1932 1931-12-01 23.30 451,0001,6
1933 1933-05-18 28.90 500,0001,6
1934 1934-04-25 10.20 137,0001,6
1935 1935-06-10 33.40 665,0001,6
1936 1936-03-01 20.80 326,0001,6
1937 1937-05-06 24.60 422,0001,6
1938 1938-05-28 27.10 540,0001,6
1939 1939-04-21 30.60 618,0001,6
1940 1940-04-21 13.60 193,0001,6
1941 1941-04-24 26.90 455,0001,6
1942 1942-07-01 34.00 603,0006
1943 1943-05-24 38.08 873,0006
1944 1944-05-02 37.40 842,0006
1945 1945-04-02 33.002 716,0006
1946 1946-01-13 27.50 502,0006
1947 1947-07-03 38.002 886,0006
1948 1948-03-28 32.80 668,0006
1949 1949-04-03 24.70 426,0006
1950 1950-05-15 27.60 476,0006
1951 1951-07-22 39.102 795,0006
1952 1952-04-30 34.102 685,0006
1953 1953-04-05 22.20 378,0006
1954 1954-06-07 18.80 289,0006
1955 1955-02-23 19.50 332,0006
1956 1955-10-09 14.90 221,0006
1957 1957-05-28 25.60 426,0006
1958 1958-07-25 29.30 510,0006
1959 1959-06-04 23.10 361,0006
1960 1960-04-11 33.70 680,0006
1961 1961-05-12 34.30 691,0006
1962 1962-03-26 30.60 625,0006
1963 1963-03-08 19.002 308,0006
1964 1964-04-24 20.042 304,0006
1965 1965-09-29 29.79 544,0006
1966 1965-10-01 28.61 498,0006
1967 1967-07-01 30.33 530,0006
1968 1968-05-27 23.07 383,0006
1969 1969-07-15 35.73 644,0006
1970 1970-05-19 30.89 544,0006
1971 1971-03-03 24.552 421,0006
1972 1972-05-05 25.87 416,0006
1973 1973-04-30 43.32 886,0006
1974 1974-05-26 32.48 537,0006
1975 1975-04-28 31.39 544,0006
1976 1976-05-01 28.10 453,0006
1977 1977-09-17 21.99 339,0006
1978 1978-03-29 32.86 632,0006
1979 1979-04-16 39.79 760,0006
1980 1980-04-03 24.14 364,0006
1981 1981-05-22 31.24 524,0006
1982 1982-06-13 32.24 550,0006
1983 1982-12-09 41.02 825,0006
1984 1984-04-25 34.97 605,0006
1985 1985-02-28 36.60 749,0006
1986 1985-11-23 35.14 620,0006
1987 1986-10-10 39.54 754,0006
1988 1987-12-29 25.57 426,0006
1989 1989-09-14 21.57 330,0006
1990 1990-05-20 35.53 661,0006
1991 1991-05-09 27.78 448,0006
1992 1992-04-24 27.11 434,0006
1993 1993-08-07 49.74 1,000,0006
1994 1993-10-01 41.41 756,0006
1995 1995-05-22 43.465 876,0006
1996 1996-06-03 36.08 626,0006
1997 1997-03-02 34.31 580,0006
1998 1998-04-18 35.09 574,0006
1999 1999-05-09 34.04 552,0006
2000 2000-06-30 27.74 425,0006
2001 2001-06-11 35.31 591,0006
2002 2002-05-17 40.95 738,0006
2003 2003-05-13 27.11 427,0006
2004 2004-05-30 29.35 457,0006
2005 2005-01-07 30.76 496,0006
2006 2006-05-06 20.72 308,0006
2007 2007-05-13 30.28 486,0006
2008 2008-07-01 39.44 696,0006
2009 2009-05-21 34.86 585,0006
2010 2010-06-30 36.34 620,0006
2011 2011-05-02 39.74 703,0006
2012 2012-03-26 23.02 350,0006
2013 2013-06-05 42.41 777,0006
2014 2014-07-12 31.80 537,0006
2015 2015-07-02 39.68 703,0006
2016 2016-01-01 45.99 953,0006
2017 2017-05-06 44.66 903,0006
2018 2018-09-11 29.33 470,000
2019 2019-06-10 46.52 961,000
2020 2020-06-02 33.46 554,0006
2021 2021-03-21 33.85 563,0006
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.