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Peak Streamflow for the Nation

USGS 05435500 PECATONICA RIVER AT FREEPORT, IL

Stephenson County, Illinois
Hydrologic Unit Code 07090003
Latitude  42°18'01", Longitude  89°36'55" NAD83
Drainage area 1,326.88  square miles
Gage datum 742.41 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)
1914 1914-09-16 18.453 13,000
1915 1915-02-27 17.273 9,070
1916 1916-03-28 19.403 17,000
1917 1917-03-16 16.093 6,310
1918 1918-02-15 16.383 6,880
1919 1919-03-16 17.603 10,000
1920 1920-03-16 15.483 5,380
1921 1921-08-20 12.063 2,720
1922 1922-02-25 18.823 14,500
1923 1923-04-06 18.363 13,100
1924 1924-08-23 14.883 4,830
1925 1925-02-24 14.283 4,180
1926 1926-06-14 15.093 4,040
1927 1927-02-05 14.902,3 4,400
1928 1928-03-16 16.773 8,070
1929 1929-03-16 19.763 18,400
1930 1930-02-24 16.283 6,150
1931 1931-09-27 10.983 2,280
1932 1932-03-29 16.283 5,650
1933 1933-04-03 17.413 8,600
1934 1934-01-14 12.003,5 2,6602
1935 1935-03-09 12.491,2,6 4,6002
1936 1936-03-16 11.99 4,190
1937 1937-03-08 16.981 15,7002
1938 1938-02-09 16.331 12,3002
1939 1939-03-15 11.40 3,350
1940 1940-08-29 10.72 3,080
1941 1941-03-25 12.85 4,840
1942 1942-08-03 13.76 5,820
1943 1943-03-16 14.131 7,890
1944 1944-02-27 13.75 7,110
1945 1945-06-29 12.67 5,170
1946 1946-01-09 15.46 10,500
1947 1947-06-18 12.30 4,570
1948 1948-03-01 16.41 13,700
1949 1949-03-09 14.65 8,640
1950 1950-07-22 14.51 8,450
1951 1951-07-12 14.59 7,820
1952 1952-03-14 14.13 7,220
1953 1953-02-24 15.04 8,820
1954 1954-06-27 11.21 2,730
1955 1955-02-21 13.23 5,700
1956 1956-02-28 10.10 2,600
1957 1957-06-15 10.13 2,600
1958 1958-03-01 12.211 3,0002
1959 1959-04-05 16.90 12,000
1960 1960-04-02 16.35 11,000
1961 1961-03-30 12.94 4,480
1962 1962-03-30 13.55 5,400
1963 1963-03-21 14.68 7,600
1964 1964-04-05 9.02 1,910
1965 1965-03-06 14.25 6,700
1966 1966-02-14 14.23 6,220
1967 1967-03-29 13.29 4,800
1968 1967-11-04 9.762 2,040
1969 1969-07-03 17.16 11,000
1970 1970-03-08 9.96 2,120
1971 1971-02-20 16.331 5,6002
1972 1972-09-15 13.38 4,160
1973 1972-12-31 14.41 6,070
1974 1974-03-08 13.892 5,370
1975 1975-03-25 17.13 13,900
1976 1976-03-09 12.60 3,500
1977 1977-07-25 10.50 2,180
1978 1978-06-23 12.73 3,650
1979 1979-03-24 14.06 6,000
1980 1980-03-20 12.182 3,290
1981 1981-09-08 12.84 4,040
1982 1982-03-20 14.63 6,510
1983 1982-12-07 12.53 3,140
1984 1984-06-20 10.94 2,690
1985 1985-02-27 15.64 9,200
1986 1986-03-25 13.25 4,260
1987 1987-08-27 8.78 1,980
1988 1988-02-02 11.54 2,920
1989 1989-03-16 13.08 4,010
1990 1990-07-04 16.24 9,480
1991 1991-03-06 12.54 3,500
1992 1991-12-01 10.32 2,470
1993 1993-07-11 16.61 12,200
1994 1994-02-22   4,9002
1995 1995-05-12 11.73 2,660
1996 1996-07-19 14.56 6,620
1997 1997-02-22 16.40 10,900
1998 1998-04-06 13.04 4,170
1999 1999-05-22 13.96 5,550
2000 2000-06-05 15.27 7,390
2001 2001-02-11 11.57 2,690
2002 2002-08-23 13.97 5,560
2003 2003-05-15 9.24 1,970
2004 2004-05-29 14.08 4,690
2005 2005-02-15 14.34 4,670
2006 2006-04-19 10.94 2,330
2007 2007-08-31 13.63 5,020
2008 2008-06-15 15.71 8,210
2009 2009-03-13 13.90 5,450
2010 2010-03-17 13.282 5,050
2011 2011-07-29 12.97 3,380
2012 2011-11-12 8.60 2,080
2013 2013-03-15 14.71 6,910
2014 2014-03-21 12.70 3,820
2015 2015-06-16 12.63 3,640
2016 2015-11-29 11.992 3,080
2017 2017-07-26 15.392 5,690
2018 2018-02-25 16.14 9,570
2019 2019-03-17 17.27 16,300
2020 2019-10-09 15.61 8,520
2021 2021-03-13   3,700
2022 2022-08-09 15.72 8,450
2023 2023-03-06 13.12 4,010
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.