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Peak Streamflow for the Nation

USGS 12305000 KOOTENAI RIVER AT LEONIA, ID

Boundary County, Idaho
Hydrologic Unit Code 17010104
Latitude  48°37'00.78", Longitude 116°02'57.10" NAD83
Drainage area 11,740  square miles
Gage datum 1,794.75 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)
1928 1928-05-25 115.983 77,500
1929 1929-06-04 113.363,6 61,000
1930 1930-06-01 112.703 57,300
1931 1931-05-17 110.973 46,600
1932 1932-06-16 114.992,3 70,900
1933 1933-06-18 118.113 95,500
1934 1934-04-29 116.403 75,200
1935 1935-05-24 115.043 63,600
1936 1936-06-01 113.293 54,200
1937 1937-05-28 112.403 47,900
1938 1938-05-28 117.643 83,000
1939 1939-05-18 112.113 47,500
1940 1940-05-26 112.923 52,000
1941 1941-05-17 109.053 31,900
1942 1942-05-27 116.603 74,300
1943 1943-05-29 114.373 58,000
1944 1944-06-01 108.803 30,000
1945 1945-06-02 114.323 57,700
1946 1946-05-30 116.903 77,000
1947 1947-05-11 117.563 82,500
1948 1948-05-28 123.403 123,000
1949 1949-05-15 116.933 75,200
1950 1950-06-23 118.213,6 87,100
1951 1951-05-13 117.043 76,300
1952 1952-04-28 114.873 63,000
1953 1953-06-15 116.513 74,700
1954 1954-05-21 120.813 104,000
1955 1955-06-15 117.303 79,300
1956 1956-05-23 121.653 115,000
1957 1957-05-07 115.933 71,000
1958 1958-05-24 116.163 72,700
1959 1959-06-06 117.863 87,900
1960 1960-06-05 116.053 71,900
1961 1961-05-29 120.533 106,000
1962 1962-05-30 113.783 56,300
1963 1963-06-01 114.203 58,000
1964 1964-06-09 117.913 85,900
1965 1965-06-19 116.303 73,800
1966 1966-06-02 116.983 81,000
1967 1967-06-04 118.003 86,600
1968 1968-06-05 115.923 72,100
1969 1969-06-07 116.553 74,600
1970 1970-06-07 114.743 61,900
1971 1971-05-30 27.27 80,900
1972 1972-06-01 22.57 47,1006
1973 1972-10-13 20.75 39,4006
1974 1974-01-16 24.15 62,0006
1975 1975-09-11 18.19 29,2006
1976 1975-12-04 22.43 51,8006
1977 1976-11-30 20.98 45,9006
1978 1978-06-09 17.41 25,0006
1979 1978-12-09 16.94 22,8006
1980 1980-06-20 19.66 34,6006
1981 1981-07-07 22.27 48,5006
1982 1982-05-26   35,0001,6
1983 1982-12-04 17.62 25,4006
1984 1984-01-05 17.05 22,1006
1985 1984-12-14 17.80 26,0006
1986 1985-11-04 20.17 37,0006
1987 1986-12-24 20.80 40,1006
1988 1988-09-22 17.77 27,0006
1989 1988-10-17 18.26 29,3006
1990 1989-11-12 20.39 39,9006
1991 1991-05-18 20.20 38,9006
1992 1991-11-05 18.40 29,6006
1993 1992-10-01 18.18 28,6006
1994 1994-06-07 16.63 21,8006
1995 1995-05-17 19.20 33,5006
1996 1996-02-09 25.06 61,9006
1997 1997-05-14 23.43 48,2006
1998 1998-05-27 21.69 38,6006
1999 1999-06-18 21.48 37,7006
2000 2000-06-13   32,9001,6
2001 2000-12-11   21,3001,6
2002 2002-07-02   48,4001,6
2003 2003-06-07 19.25 31,0006
2004 2003-11-20   21,6001,6
2005 2004-12-14 19.72 31,5006
2006 2006-06-17 25.87 61,7006
2007 2006-11-07   32,7006
2008 2008-05-18 22.23 40,7006
2009 2009-06-15 20.20 32,1006
2010 2010-06-11 22.41 41,5006
2011 2011-05-16 22.53 43,9006
2012 2012-07-03 24.77 56,0006
2013 2013-05-14 22.60 44,2006
2014 2014-05-24 21.79 40,4006
2015 2015-05-25 19.56 30,5006
2016 2015-12-09 21.95 41,1006
2017 2017-03-19 22.06 41,6006
2018 2018-05-25 20.145 32,9002,6
2019 2019-05-17 18.79 27,5006
2020 2020-05-31 20.84 36,0006
2021 2021-05-25 20.98 36,8006
2022 2022-06-07 21.39 38,5006
2023 2023-05-18 19.47 30,6006
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.