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Peak Streamflow for the Nation

USGS 05453100 Iowa River at Marengo, IA

Iowa County, Iowa
Hydrologic Unit Code 07080208
Latitude  41°48'45.8", Longitude  92°03'52.6" NAD27
Drainage area 2,794  square miles
Gage datum 720.45 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)
1947 1947-06-16 18.20 34,0007
1957 1957-06-22 14.82 7,060
1958 1958-09-04 16.34 11,000
1959 1959-03-24 16.92 15,400
1960 1960-03-31 19.21 30,800
1961 1961-03-08 16.322 11,500
1962 1962-03-25 16.83 15,000
1963 1963-03-15 15.101 7,7002
1964 1964-06-23 14.08 6,040
1965 1965-04-07 17.84 19,900
1966 1966-06-17 16.482 11,600
1967 1967-06-10 14.62 7,720
1968 1968-08-05 11.41 3,730
1969 1969-07-12 19.79 28,300
1970 1970-05-17 16.232 10,700
1971 1971-02-20 18.152 14,000
1972 1972-06-18 17.49 12,600
1973 1973-04-16 17.73 16,600
1974 1974-05-19 18.82 21,200
1975 1975-03-24 18.82 22,200
1976 1976-04-24 17.91 17,700
1977 1977-09-19 17.39 15,100
1978 1978-07-21 17.99 13,0002
1979 1979-03-19 19.40 22,300
1980 1980-03-16   7,2002
1981 1981-06-24 12.91 5,030
1982 1982-06-16 18.12 21,100
1983 1983-07-03 18.19 21,600
1984 1984-06-18 18.17 17,200
1985 1985-03-04 17.501,2 16,2002
1986 1986-05-18 16.59 13,100
1987 1987-08-26 15.15 7,500
1988 1988-01-31 13.731 4,5002
1989 1989-03-11 10.672 3,310
1990 1990-06-21 18.68 18,100
1991 1991-06-08 18.25 16,300
1992 1992-07-26 16.90 12,400
1993 1993-07-19 20.31 38,000
1994 1994-03-07 15.36 8,350
1995 1995-04-28 15.86 9,210
1996 1996-05-10 16.35 10,900
1997 1997-02-21 17.561 10,2002
1998 1998-06-30 18.92 19,500
1999 1999-06-17 17.09 11,600
2000 2000-07-14 14.58 6,290
2001 2001-03-23 16.46 9,540
2002 2002-06-13 13.35 5,180
2003 2003-05-15 15.83 8,880
2004 2004-05-31 17.97 14,600
2005 2005-05-20 15.55 8,130
2006 2006-05-04 12.58 4,580
2007 2007-04-30 18.17 15,900
2008 2008-06-12 21.38 51,000
2009 2009-04-30 17.64 15,500
2010 2010-07-06 17.78 16,200
2011 2011-06-11 16.27 9,950
2012 2012-04-16 10.65 3,430
2013 2013-05-31 20.36 37,200
2014 2014-07-02 19.96 26,800
2015 2015-06-25 17.09 13,000
2016 2015-12-18 18.31 19,000
2017 2016-10-04 16.902 12,300
2018 2018-09-06 19.14 20,800
2019 2019-03-17 18.83 18,400
2020 2020-06-25 17.93 15,000
2021 2021-03-09 12.87 5,040
2022 2022-05-11 12.68 5,030
2023 2023-03-02 13.16 6,220
2024 2024-05-26 18.11 16,300
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.