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Peak Streamflow for Iowa

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Boating safety tips are available from the U.S. Coast Guard.

NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


USGS 06810000 Nishnabotna River above Hamburg, IA

Fremont County, Iowa
Hydrologic Unit Code 10240004
Latitude  40°36'04.3", Longitude  95°38'40.2" NAD83
Drainage area 2,806  square miles
Gage datum 892.31 feet above NAVD88
Output formats
Table
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Tab-separated file
peakfq (watstore) format
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Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1917 1917-06-17 21.005  
1922 1922-04-12 16.70 11,800
1923 1923-03-27 16.00 8,800
1929 1929-03-13 22.306 21,100
1930 1930-02-08 13.801,6 3,0202
1931 1931-06-22 18.10 9,350
1932 1931-11-25 19.10 11,100
1933 1933-01-22 17.10 8,020
1934 1934-06-09 14.60 5,620
1935 1935-06-26 17.50 8,500
1936 1936-03-05 22.20 20,600
1937 1937-03-05 21.60 16,500
1938 1938-09-14 18.20 9,650
1939 1939-03-12 23.001 22,1002
1940 1940-08-12 18.90 10,700
1941 1941-06-09 20.40 14,600
1942 1942-06-20 19.20 11,700
1943 1943-05-16 19.10 11,100
1944 1944-06-15 20.80 11,800
1945 1945-05-23 22.60 21,000
1946 1946-09-04 19.70 11,300
1947 1947-06-24 26.03 55,500
1948 1948-03-20 24.50 36,300
1949 1949-03-07 25.90 32,200
1950 1950-05-10 22.50 19,900
1951 1951-05-02 24.51 23,800
1952 1952-06-23 20.92 12,800
1953 1953-06-09 14.65 5,440
1954 1954-08-23 21.32 12,600
1955 1955-04-24 18.80 12,000
1956 1956-07-08 20.90 13,500
1957 1957-06-16 21.59 20,400
1958 1958-07-06 22.75 14,600
1959 1959-05-29 21.70 15,400
1960 1960-03-31 24.56 23,900
1961 1961-03-13 21.33 14,400
1962 1962-05-29 23.62 18,000
1963 1963-03-12 22.02 15,600
1964 1964-05-26 23.32 19,900
1965 1965-03-02 24.83 24,700
1966 1966-06-26   16,0002
1967 1967-06-10 24.531 20,0002
1968 1968-06-27 8.85 798
1969 1969-03-18 24.19 19,700
1970 1970-05-14 19.122 10,400
1971 1971-02-20   25,0002
1972 1972-09-15 27.42 25,200
1973 1973-09-27 23.452 17,900
1974 1973-10-12 23.07 16,300
1975 1975-04-28 21.63 13,300
1976 1976-06-14 25.70 21,400
1977 1977-09-04 23.24 12,200
1978 1978-09-15 25.17 20,500
1979 1979-03-19   23,000
1980 1980-06-04 24.93 19,800
1981 1981-07-09 13.29 3,190
1982 1982-06-15 27.25 29,100
1983 1983-02-20 20.88 12,700
1984 1984-06-16 27.90 24,300
1985 1985-02-22 21.901 12,3002
1986 1986-02-27 23.87 18,300
1987 1987-05-27 28.14 31,400
1988 1988-01-31 17.931 4,5802
1989 1989-09-10 28.27 32,900
1990 1990-07-27 28.06 32,000
1991 1991-06-15 26.75 27,300
1992 1992-09-16 21.54 12,700
1993 1993-07-25 30.561 37,7002
1994 1994-06-23 25.13 22,000
1995 1995-05-10 22.86 15,600
1996 1996-06-22 28.45 24,300
1997 1997-02-19 25.50 18,000
1998 1998-06-17 33.18 65,100
1999 1999-08-08 28.83 25,800
2000 2000-06-14 16.33 4,710
2001 2001-03-15 24.48 14,300
2002 2002-05-13 13.71 3,230
2003 2003-05-06 19.40 7,140
2004 2004-05-26 28.04 26,500
2005 2005-05-13 25.16 18,000
2006 2006-09-18 16.44 4,780
2007 2007-05-08 32.44 55,300
2008 2008-06-14 29.19 32,300
2009 2009-04-28 20.42 9,980
2010 2010-06-14 26.95 19,800
2011 2011-02-17 23.772 16,800
2012 2012-04-15 23.31 14,100
2013 2013-05-30 23.66 16,200
2014 2014-06-04 26.57 23,100
2015 2015-06-15 24.932 18,700
2016 2015-12-15 27.27 23,700
2017 2017-05-21 24.86 19,300
2018 2018-08-21 23.06 14,000
2019 2019-03-16 31.07 39,000
2020 2019-10-12 22.40 12,500
2021 2021-03-16 12.92 3,290
2022 2022-06-08 18.09 8,310
2023 2023-02-28 18.72 8,610
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.