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Peak Streamflow for the Nation

USGS 05446500 ROCK RIVER NEAR JOSLIN, IL

Rock Island County, Illinois
Hydrologic Unit Code 07090005
Latitude  41°33'22", Longitude  90°11'07" NAD83
Drainage area 9,549  square miles
Gage datum 563.74 feet above NAVD88
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
Reselect output format
Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1940 1940-08-30 10.41 15,700
1941 1941-03-22 11.61 20,600
1942 1941-10-24 9.73 13,800
1943 1943-03-18 14.20 36,400
1944 1944-03-18 14.00 34,800
1945 1945-05-19 9.88 14,200
1946 1946-01-09   38,0001,2
1947 1947-06-03 10.51 15,900
1948 1948-03-22 14.462 46,200
1949 1949-03-07 14.551 27,0002
1950 1950-03-08 13.02 27,500
1951 1951-02-28 13.512 32,800
1952 1952-03-15 13.152 29,500
1953 1953-02-22 11.26 17,800
1954 1954-06-06 9.58 13,000
1955 1954-10-13 15.02 28,000
1956 1956-05-12 8.262 9,710
1957 1957-06-18 7.072 7,480
1958 1958-03-04   11,2002
1959 1959-04-07 14.36 26,000
1960 1960-04-03 16.08 36,400
1961 1961-03-17 10.44 15,400
1962 1962-03-22 15.86 32,500
1963 1963-03-28 10.032 13,700
1964 1964-04-09 8.10 9,610
1965 1965-04-08 13.122 21,700
1966 1966-02-15   26,0002
1967 1967-04-04 10.57 15,100
1968 1968-07-02 8.44 10,300
1969 1969-01-25   26,0002
1970 1970-06-05 11.43 16,900
1971 1971-02-23 17.691 40,0002
1972 1972-08-27 14.20 25,300
1973 1973-04-23 17.74 41,500
1974 1974-05-18 17.18 38,700
1975 1975-03-28 15.95 33,800
1976 1976-03-08 14.86 29,400
1977 1977-02-25 8.84 10,000
1978 1978-07-06 16.00 33,100
1979 1979-03-22 17.81 41,600
1980 1980-09-19 10.612 14,600
1981 1981-06-15 11.052 16,200
1982 1982-03-18 14.42 26,800
1983 1983-04-05 15.18 29,800
1984 1984-02-18 15.351 25,1002
1985 1985-03-03 16.64 35,200
1986 1986-03-13 13.762 23,900
1987 1986-10-03 13.61 23,400
1988 1988-02-04 14.21 24,0002,5
1989 1989-03-13   12,0002,5
1990 1990-07-01 15.37 27,1005
1991 1991-03-30 12.73 19,4005
1992 1991-12-15 9.77 12,7005
1993 1993-03-26 18.35 46,5005
1994 1994-02-22 18.011 39,7002,5,9
1995 1995-05-11 13.33 22,4005
1996 1996-05-31 18.73 44,8005
1997 1997-02-23 18.881 41,0002,5,9
1998 1998-04-19 13.03 22,6005
1999 1999-06-17 15.45 30,4005
2000 2000-06-16 18.55 44,0005
2001 2001-02-27 18.021 27,0002,5,9
2002 2002-06-07 19.24 47,7005
2003 2003-05-16 8.86 10,9005
2004 2004-06-03 15.04 28,6005
2005 2005-02-16 12.50 21,0005
2006 2006-03-15 9.95 14,0005
2007 2007-08-28 17.24 36,1005
2008 2008-06-21 16.612 34,0005
2009 2009-03-11 16.98 35,6005
2010 2010-07-27 17.45 37,5005
2011 2011-02-23 13.47 22,9005
2012 2011-11-11 10.47 14,4005
2013 2013-04-21 19.11 47,0005
2014 2014-07-03 14.13 26,3005
2015 2015-06-18 14.46 27,5005
2016 2015-12-16 12.97 22,4005
2017 2017-07-25 18.51 43,8005
2018 2018-02-23 18.36 40,6005
2019 2019-03-16 18.59 44,4005
2020 2019-10-07 16.10 32,5005
2021 2021-03-12 12.01 19,4005
2022 2022-08-10 12.36 19,4005
2023 2023-04-07 13.67 23,4005
2024 2024-07-18 15.64 30,0005
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.