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Peak Streamflow for Iowa

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


USGS 06486000 Missouri River at Sioux City, IA

Dakota County, Nebraska
Hydrologic Unit Code 10230001
Latitude  42°29'09", Longitude  96°24'49" NAD27
Drainage area 314,600  square miles
Gage datum 1,057.42 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)
1929 Apr. 01, 1929 12.40 190,000
1930 Mar. 06, 1930 9.40 108,000
1931 Jun. 16, 1931 9.79 54,700
1932 Jun. 16, 1932 11.70  
1933 May 28, 1933 10.90  
1934 Mar. 03, 1934 13.401  
1935 Jul. 17, 1935 12.90  
1936 Mar. 08, 1936 11.101  
1937 Jun. 21, 1937 11.80  
1938 Mar. 24, 1938 13.20  
1939 Apr. 03, 1939 14.35 168,000
1940 Jun. 16, 1940 8.90 55,700
1941 Jun. 15, 1941 13.00 121,000
1942 Jun. 08, 1942 13.77 127,000
1943 Apr. 10, 1943 18.72 212,000
1944 Apr. 12, 1944 15.45 180,300
1945 Mar. 22, 1945 9.35 116,400
1946 Jun. 21, 1946 8.60 87,900
1947 Apr. 04, 1947 15.10 178,000
1948 Mar. 27, 1948 9.602 115,000
1949 Apr. 10, 1949 15.72 178,000
1950 Apr. 25, 1950 18.44 252,000
1951 Apr. 08, 1951 13.04 152,000
1952 Apr. 14, 1952 24.28 441,000
1953 Jun. 25, 1953 9.19 109,0006
1954 Jun. 21, 1954 6.83 51,3006
1955 Mar. 12, 1955 5.792 56,2006
1956 Aug. 18, 1956 7.10 38,9006
1957 Oct. 03, 1956 6.332 36,2006
1958 Jul. 02, 1958 7.28 39,5006
1959 May 31, 1959 6.50 33,6006
1960 Apr. 03, 1960 10.52 101,0006
1961 Aug. 10, 1961 5.77 32,7006
1962 Apr. 02, 1962 6.922 71,6006
1963 Jun. 02, 1963 6.00 34,4006
1964 Aug. 06, 1964 6.26 37,4006
1965 Aug. 21, 1965 5.67 35,6006
1966 Jul. 27, 1966 6.00 38,2006
1967 Aug. 30, 1967 4.932 37,1006
1968 Jul. 24, 1968 5.27 38,3006
1969 Apr. 10, 1969 7.58 77,7006
1970 Oct. 01, 1969 5.476 51,2006
1971 Feb. 19, 1971 30.651,6 80,0002,6
1972 Jul. 17, 1972 24.532 55,8006
1973 Nov. 13, 1972 22.972 54,4006
1974 Jun. 23, 1974 21.492 41,1006
1975 Sep. 06, 1975 26.412 64,9001,6
1977 Nov. 20, 1976 24.022 67,4002,6
1978 Jul. 23, 1978 25.42 62,5006
1979 Nov. 05, 1978 23.48 57,8006
1980 Oct. 31, 1979 20.53 44,0006
1981 Jun. 14, 1981 20.97 40,9006
1982 Oct. 14, 1981 19.81 35,7006
1983 Nov. 24, 1982 22.78 50,2006
1984 Jun. 25, 1984 30.91 104,0006
1985 Apr. 23, 1985 23.94 56,6006
1986 Sep. 30, 1986 23.232 57,4006
1987 Oct. 01, 1986 23.19 57,0006
1988 Sep. 15, 1988 19.96 40,2006
1989 Nov. 03, 1988  2 35,5006
1990 May 19, 1990 20.77 40,4006
1991 Jun. 01, 1991 19.04 35,2006
1992 Jul. 12, 1992 19.90 36,5006
1993 Jul. 15, 1993 27.33 72,2006
1994 Jun. 17, 1994 22.24 50,6006
1995 Jun. 01, 1995 25.14 65,9006
1996 Jul. 17, 1996 27.55 85,7006
1997 Apr. 10, 1997 25.492 100,0006
1998 Nov. 01, 1997 22.652 73,6006
1999 Jul. 22, 1999 20.93 55,4006
2000 Oct. 02, 1999 18.82 48,9006
2001 Apr. 27, 2001 22.352 64,1006
2002 Aug. 22, 2002 16.55 36,1006
2003 Sep. 11, 2003 16.83 36,2006
2004 May 30, 2004 17.892 39,2006
2005 Jun. 09, 2005 17.91 40,9006
2006 Apr. 12, 2006 16.89 37,4006
2007 Mar. 13, 2007 18.58 42,1006
2008 Jun. 11, 2008 18.19 39,8006
2009 Jul. 10, 2009 19.04 44,8006
2010 Sep. 30, 2010 25.492 86,6006
2011 Jul. 20, 2011 35.242 192,0006
2012 May 12, 2012 15.462 45,1006
2013 May 28, 2013 16.57 43,7006
2014 Jun. 20, 2014 23.97 82,5006
2015 Oct. 02, 2014 17.44 49,2006
2016 Jun. 18, 2016 15.21 39,3006
2017 May 29, 2017 16.65 44,700
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.