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Peak Streamflow for the Nation

USGS 05533000 FLAG CREEK NEAR WILLOW SPRINGS, IL

Cook County, Illinois
Hydrologic Unit Code 07120004
Latitude  41°44'20.2", Longitude  87°53'48.7" NAD83
Drainage area 16.5  square miles
Contributing drainage area 16.5  square miles
Gage datum 606.02 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)
1951 1951-09-26 4.59 540
1952 1951-11-13 4.07 398
1953 1953-06-10 3.61 306
1954 1954-03-25 5.42 770
1955 1954-10-10 6.88 1,300
1956 1956-05-11 3.57 285
1957 1957-07-13 6.89 1,350
1958 1958-06-13 3.96 388
1959 1959-04-28 7.53 1,550
1960 1960-01-12 9.23 800
1961 1961-09-14 13.71 2,680
1962 1962-03-19 7.88 344
1963 1963-04-30 7.95 367
1964 1964-04-06 9.10 375
1965 1965-09-09 6.99 576
1966 1966-05-12 8.98 975
1967 1967-04-01 7.79 816
1968 1968-08-17 7.26 648
1969 1969-04-17 7.88 803
1970 1970-06-21 6.52 400
1971 1971-02-18 5.342 188
1972 1972-08-26 7.95 830
1973 1972-12-30 7.83 786
1974 1974-04-03 7.22 696
1975 1975-04-18 9.70 1,630
1976 1976-06-13 10.22 2,230
1977 1977-08-08 6.89 560
1978 1978-07-21 6.94 575
1979 1979-04-12 8.02 967
1980 1980-07-21 6.46 439
1981 1981-06-13 7.64 823
1982 1982-03-13 7.65 826
1983 1983-07-02 9.86 1,960
1984 1984-03-15 7.22 670
1985 1985-03-04 8.89 1,390
1986 1986-09-26 7.12 636
1987 1987-08-26 7.93 939
1988 1988-04-06 7.47 759
1989 1989-09-01 7.48 708
1990 1990-05-09 9.87 1,910
1991 1990-11-27 9.02 1,470
1992 1992-09-09 8.10 1,100C
1993 1993-06-07 8.13 791C
1994 1994-08-11 7.31 569C
1995 1995-01-14 7.30 567C
1996 1996-07-18 10.37 2,300C
1997 1997-02-21 9.34 1,540C
1998 1998-09-07 8.71 1,160C
1999 1999-04-09 8.03 860C
2000 2000-04-20 7.29 633C
2001 2001-08-02 7.68 745C
2002 2001-10-13 8.30 962C
2003 2003-05-09 7.16 600C
2004 2004-08-28 7.82 790C
2005 2005-01-13 7.50 692C
2006 2006-08-10 6.82 559C
2007 2006-10-03 9.00 1,490C
2008 2008-09-14 8.85 1,240C
2009 2008-12-27 9.01 1,330C
2010 2010-07-24 10.36 2,350C
2011 2011-06-09 9.02 1,580C
2012 2012-08-26 8.32 1,210C
2013 2013-04-18 10.57 2,610C
2014 2014-08-22 10.06 2,240C
2015 2015-06-15 8.44 1,270C
2016 2016-05-12 7.55 870C
2017 2017-03-01 7.36 797C
2018 2018-02-20 8.80 1,450C
2019 2019-07-02 8.50 1,140C
2020 2020-05-17 10.95 2,880C
2021 2021-06-26 9.63 1,850C
2022 2022-02-17 8.03 968C
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.