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Peak Streamflow for the Nation

USGS 05567500 MACKINAW RIVER NEAR CONGERVILLE, IL

Woodford County, Illinois
Hydrologic Unit Code 07130004
Latitude  40°37'24.6", Longitude  89°14'30.0" NAD83
Drainage area 767  square miles
Gage datum 606.77 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)
1945 1945-06-16 12.16 6,300
1946 1946-06-20 15.60 14,300
1947 1947-04-30 16.02 15,500
1948 1948-02-28 12.18 6,400
1949 1949-02-13 11.69 5,650
1950 1950-04-26 14.74 11,800
1951 1951-07-09 19.41 36,000
1952 1952-04-13 13.54 8,900
1953 1953-07-06 12.09 6,250
1954 1954-05-29 13.65 9,100
1955 1955-04-20 11.28 5,130
1956 1956-05-29 7.93 2,740
1957 1957-04-29 14.44 11,100
1958 1958-06-14 12.37 6,700
1959 1959-02-11 15.291 7,8002
1960 1960-03-30 14.32 10,000
1961 1961-09-25 14.87 11,700
1962 1962-03-12 14.82 11,400
1963 1963-03-06 10.50 4,230
1964 1964-04-21 11.60 5,320
1965 1965-04-06 14.95 11,800
1966 1965-12-25 10.45 4,380
1967 1967-04-02 8.63 3,280
1968 1968-06-26 14.29 10,000
1969 1969-01-30 9.732 3,940
1970 1970-05-15 14.33 10,100
1971 1971-07-14 11.65 5,450
1972 1972-04-22 9.39 3,730
1973 1973-04-23 15.59 13,800
1974 1974-06-23 17.48 21,500
1975 1975-02-24 9.14 3,580
1976 1976-03-05 14.73 8,030
1977 1977-08-10 13.89 6,990
1978 1978-05-14 10.66 4,360
1979 1979-03-05 18.35 18,000
1980 1980-06-03 19.52 31,900
1981 1981-05-15 15.31 9,260
1982 1982-03-12 16.69 12,600
1983 1982-12-04 20.21 44,800
1984 1984-02-13 12.72 8,290
1985 1985-02-24 16.65 13,900
1986 1985-11-20 17.62 17,000
1987 1986-10-04 19.61 35,300
1988 1988-04-07 6.772 2,380
1989 1989-05-27 4.99 1,310
1990 1990-03-11 18.06 18,900
1991 1990-11-28 15.70 11,600
1992 1992-07-31 8.11 3,380
1993 1993-01-05 17.382 16,200
1994 1993-10-19 13.66 8,970
1995 1995-05-14 17.33 16,000
1996 1996-05-28 14.64 9,980
1997 1997-02-22 13.60 8,550
1998 1998-05-09 16.42 13,100
1999 1999-06-14 16.89 13,800
2000 2000-05-28 5.01 1,570
2001 2001-02-10 12.70 7,230
2002 2002-05-12 18.13 19,400
2003 2003-07-10 13.48 8,040
2004 2004-06-01 11.17 5,760
2005 2005-01-14 18.45 21,900
2006 2006-04-18 8.49 3,600
2007 2007-03-24 15.02 10,400
2008 2008-09-15 18.84 25,400
2009 2009-03-11 15.90 10,600
2010 2009-11-01 17.44 13,700
2011 2011-04-24 11.51 6,090
2012 2011-12-15 6.00 2,300
2013 2013-04-18 18.79 28,700
2014 2014-02-22 14.53 9,310
2015 2015-07-11 16.82 15,300
2016 2015-12-29 19.09 31,400
2017 2017-05-01 13.94 8,510
2018 2018-02-23 9.37 4,480
2019 2019-05-02 17.65 18,800
2020 2020-07-16 17.75 20,300
2021 2021-06-28 13.03 6,910
2022 2022-04-01 10.052 4,970
2023 2023-03-25 8.48 3,860
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.