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Peak Streamflow for the Nation

USGS 05443500 ROCK RIVER AT COMO, IL

Whiteside County, Illinois
Hydrologic Unit Code 07090005
Latitude  41°46'20", Longitude  89°44'44" NAD83
Drainage area 8,753  square miles
Gage datum 603.13 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)
1915 1915-02-25 13.012 23,600
1916 1916-03-28 17.022 39,500
1917 1917-03-14 15.201 26,0002
1918 1918-02-16 19.601 36,0002
1919 1919-03-20 16.52 37,000
1920 1920-03-27 16.33 36,200
1921 1921-04-28 13.61 25,600
1922 1922-04-11 14.11 27,400
1923 1923-04-11 14.70 29,800
1924 1924-08-23 14.77 30,200
1925 1925-02-24 17.701 39,0002
1926 1926-02-27 13.98 27,000
1927 1927-02-07 15.12 31,400
1928 1928-02-08 12.402 20,800
1929 1929-03-17 16.602 37,2002
1930 1930-02-27 11.20 17,100
1931 1931-06-25 6.602 5,130
1932 1931-10-11 13.63 25,400
1933 1933-05-28 13.83 26,100
1934 1934-04-06 4.15 5,490
1935 1935-03-12 9.562 23,900
1936 1936-03-12 8.601,2 18,0001,2
1937 1937-02-22 14.502 51,000
1938 1938-01-24   46,6002
1939 1939-03-12 8.43 20,500
1940 1940-08-28 7.50 17,200
1941 1941-03-22 6.99 16,200
1942 1941-10-23 6.64 14,700
1943 1943-03-16 11.89 39,400
1944 1944-03-16 11.90 34,900
1945 1945-05-18 6.26 13,600
1946 1946-01-06 14.40 46,400
1947 1947-06-04 6.442 14,000
1948 1948-03-21 12.76 41,400
1949 1949-02-26   22,0002
1950 1950-03-07   25,0002
1951 1951-02-26 11.432 34,400
1952 1952-07-20 12.06 35,800
1953 1953-02-22 7.54 17,800
1954 1954-06-05 6.08 12,900
1955 1954-10-11 12.11 34,000
1956 1956-05-12   9,6001
1957 1957-06-17 4.45 7,330
1958 1958-03-01 5.50 10,900
1959 1959-04-05 10.01 26,200
1960 1960-04-01 11.99 34,800
1961 1961-03-14 6.80 15,300
1962 1962-03-20 10.98 30,200
1963 1963-03-27 7.05 15,500
1964 1964-04-08 5.06 8,930
1965 1965-04-02 8.55 20,900
1966 1966-02-14   23,0002
1967 1967-06-13 6.95 15,300
1968 1968-08-18 5.492 10,300
1969 1969-01-24 12.201 20,0002
1970 1970-06-04 7.02 15,600
1971 1971-02-21 12.521 35,0002
1972 1972-04-16 8.03 19,100
1973 1973-04-21 15.66 59,700
1974 1974-05-17 13.13 43,100
1975 1975-03-26 11.24 32,500
1976 1976-03-07 10.55 29,000
1978 1978-07-04 11.69 34,900
1979 1979-03-22 12.38 38,400
1980 1980-09-18 6.53 14,100
1981 1981-06-13 7.35 16,800
1982 1982-03-20 9.41 23,900
1983 1983-04-04 10.13 27,400
1984 1984-02-17 12.002,5 23,2002
1985 1985-03-05 11.042 31,200
1986 1986-03-11 9.432 23,700
1991 1991-03-29 7.73 19,200
1992 1991-12-08 6.33 14,900
1993 1993-03-25 12.72 42,700
1994 1994-02-21 14.361 37,8002
1995 1995-05-10 8.30 21,600
1996 1996-05-29 13.58 48,300
1997 1997-02-22 13.301 40,9002
1998 1998-04-18 7.92 20,400
1999 1999-06-15 10.80 31,200
2000 2000-06-15 13.12 45,300
2001 2001-02-26 9.78 26,700
2002 2002-06-05 13.65 48,800
2003 2003-05-12 5.43 11,400
2004 2004-06-01 9.82 26,800
2005 2005-02-15 8.02 20,400
2006 2006-03-14 6.14 14,600
2007 2007-08-26 12.08 38,700
2008 2008-06-16 11.03 32,500
2009 2009-03-09 10.982 33,200
2010 2010-07-26 12.87 41,900
2011 2011-02-22 9.242 24,600
2012 2011-11-11 6.25 15,000
2013 2013-04-20 13.12 45,100
2014 2014-03-16 13.19 45,600
2015 2015-06-16 11.64 23,800
2016 2015-12-15 9.86 19,400
2017 2017-07-23 15.64 42,200
2018 2018-02-21 14.68 36,900
2019 2019-03-16 15.18 39,900
2020 2019-10-05 13.30 31,900
2021 2021-03-11 9.35 16,900
2022 2022-08-09 9.71 17,800
2023 2023-04-06 10.86 21,100
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.