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Peak Streamflow for Illinois

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USGS 07022000 Mississippi River at Thebes, IL

Alexander County, Illinois
Hydrologic Unit Code 07140105
Latitude  37°13'12.9", Longitude  89°27'47.4" NAD83
Drainage area 713,200  square miles
Gage datum 299.70 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 1844-07-04   1,080,0006,7
1933 1933-05-18 34.595 525,0006
1934 1934-04-27 15.945 140,0006
1935 1935-06-10 36.045 623,0006
1936 1936-03-02 24.925 318,0006
1937 1937-05-07 31.065 420,0006
1938 1938-05-28 35.825 552,0006
1939 1939-04-21 36.425 637,0006
1940 1940-04-21 19.415 199,0006
1941 1941-04-24 29.11 469,0006
1942 1942-06-30 35.65 615,0006
1943 1943-05-27 40.26 893,0006
1944 1944-05-06 39.05 812,0006
1945 1945-04-02 37.90 702,0006
1946 1946-01-14 33.68 506,0006
1947 1947-07-06 40.08 837,0006
1948 1948-03-28 36.97 676,0006
1949 1949-04-04 31.35 447,0006
1950 1950-05-15 32.29 491,0006
1951 1951-07-24 39.91 805,0006
1952 1952-05-02 37.36 685,0006
1953 1953-04-06 26.66 382,0006
1954 1954-06-07 22.25 292,0006
1955 1955-02-25 24.39 329,0006
1956 1955-10-09 18.48 220,0006
1957 1957-05-23 31.62 463,0006
1958 1958-07-25 33.87 534,0006
1959 1959-06-05 26.11 364,0006
1960 1960-04-11 37.19 685,0006
1961 1961-05-13 38.74 739,0006
1962 1962-03-27 36.28 628,0006
1963 1963-03-09 24.272 314,0006
1964 1964-04-09 24.62 313,0006
1965 1965-09-29 32.852 542,0006
1966 1965-10-01 32.57 525,0006
1967 1967-07-02 33.72 533,0006
1968 1968-05-28 29.132,5 388,0006
1969 1969-07-15 36.892,5 666,0006
1970 1970-05-05 36.15 552,0006
1971 1971-03-04 32.082 437,0006
1972 1972-04-26 32.79 430,0006
1973 1973-04-30 43.43 886,0006
1974 1974-05-26 36.36 573,0006
1975 1975-04-28 36.15 562,0006
1976 1976-05-02 32.192,5 470,0006
1977 1977-09-18 25.152 337,0006
1978 1978-03-29 38.19 637,0006
1979 1979-04-17 43.11 791,0006
1980 1980-04-04 31.08 368,0006
1981 1981-05-22 34.985 534,0006
1982 1982-06-14 36.065 557,0006
1983 1982-12-09 42.545 846,0006
1984 1984-04-27 38.58 632,0006
1985 1985-03-01 40.46 744,0006
1986 1985-11-24 39.84 664,0006
1987 1986-10-14 41.52 762,0006
1988 1987-12-30 31.19 447,0006
1989 1989-09-14 24.225 330,0006
1990 1990-05-21 39.78 669,0006
1991 1991-04-24 31.652,5 458,0006
1992 1992-04-25 30.80 426,0006
1993 1993-08-07 45.51 996,0006
1994 1993-10-02 40.82 736,0006
1995 1995-05-23 45.91 875,0006
1996 1996-06-04 39.562,5 634,0006
1997 1997-03-03 38.96 635,0006
1998 1998-04-19 38.575 624,0006
1999 1999-05-10 37.03 600,0006
2000 2000-06-30 31.13 429,0006
2001 2001-06-12 37.82 620,0006
2002 2002-05-18 44.32 838,0006
2003 2003-05-13 33.33 478,0006
2004 2004-05-31 33.27 504,0006
2005 2005-01-08 35.202 539,0006
2006 2006-05-07 24.54 324,0006
2007 2007-05-14 32.58 491,0006
2008 2008-07-03 41.102 717,0006
2009 2009-05-22 38.25 603,0006
2010 2009-11-04 37.872 660,0006
2011 2011-05-02 44.352 876,0006
2012 2012-03-26 26.385 369,0001,2,6
2013 2013-06-06 42.77 803,0006
2014 2014-07-14 33.662 539,0006
2015 2015-06-23 41.612 732,0006
2016 2016-01-02 47.362 1,050,0006
2017 2017-05-06 42.922 928,0006
2018 2018-09-12 32.132 486,000
2019 2019-06-11 43.642 945,000
2020 2020-01-15 36.182 583,0006
2021 2021-03-22 36.47 624,0006
2022 2022-05-09 33.882 556,0006
2023 2023-03-06   415,0006
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.