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Peak Streamflow for the Nation

USGS 12303000 Kootenai River at Libby MT

Lincoln County, Montana
Hydrologic Unit Code 17010101
Latitude  48°24'00.79", Longitude 115°33'13.12" NAD83
Drainage area 10,179  square miles
Gage datum 2,041.54 feet above NGVD29
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peakfq (watstore) format
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Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1911 1911-06-16 13.80 72,500
1912 1912-05-18 9.60 36,800
1913 1913-06-04 14.30 77,300
1914 1914-06-05 12.10 56,900
1915 1915-06-28 9.50 36,100
1916 1916-06-21 20.70R 121,000R
1917 1917-06-18 12.99 65,000
1918 1918-06-13 14.29 77,300
1919 1919-05-29 14.59 80,200
1920 1920-07-04 12.51 60,500
1921 1921-06-09 13.84 72,900
1922 1922-06-06 13.45 69,200
1923 1923-06-14 13.67 71,500
1924 1924-05-18 10.74 45,100
1925 1925-05-23 14.38 78,200
1926 1926-05-01 8.04 26,400
1927 1927-06-12 14.90 83,100
1928 1928-05-27 13.85 70,200
1929 1929-06-04 12.17 57,400
1930 1930-06-01 11.46 52,100
1931 1931-05-17 10.666 41,200
1932 1932-06-16 14.06 62,000
1933 1933-06-18 16.90 85,600
1934 1934-05-31 14.39 63,700
1935 1935-05-24 12.66 52,500
1936 1936-06-01 12.18 49,400
1937 1937-05-28 10.76 41,000
1938 1938-05-28 15.60 78,800
1939 1939-05-18 10.80 41,000
1940 1940-05-26 11.88 48,500
1941 1941-05-19 8.18 26,800
1942 1942-05-27 14.45 67,900
1943 1943-06-19 12.19 50,100
1944 1944-06-01 8.44 27,800
1945 1945-06-02 12.44 51,600
1946 1946-05-30 15.12 74,300
1947 1947-05-11 15.06 74,300
1948 1948-05-28 19.93 109,000
1949 1949-05-15 13.97 61,900
1950 1950-06-23 16.23 79,100
1951 1951-06-17 14.97 69,400
1952 1952-04-28 11.97 48,800
1953 1953-06-15 15.13 69,600
1954 1954-05-21 17.33 86,600
1955 1955-06-15 15.17 70,700
1956 1956-05-23 18.63 96,600
1957 1957-05-08 13.17 57,100
1958 1958-05-25 14.08 63,100
1959 1959-06-07 15.64 75,800
1960 1960-06-05 14.15 64,600
1961 1961-05-29 18.23 96,000
1962 1962-06-19 12.17 50,000
1963 1963-06-01 12.68 53,600
1964 1964-06-09 15.90 77,800
1965 1965-06-20 15.00 71,000
1966 1966-06-02 15.28 73,100
1967 1967-06-04 15.98 78,400
1968 1968-06-05 14.59 67,900
1969 1969-06-07 15.07 70,100
1970 1970-06-06 13.29 57,100
1971 1971-05-29 13.29 69,200
1972 1972-06-14 10.21 37,9006
1973 1972-11-12 10.49 39,5006
1974 1974-07-01 10.67 40,6006
1975 1975-09-11 8.91 30,4006
1976 1976-08-07 9.00 30,9006
1977 1976-11-29 11.08R 42,7006,R
1978 1977-11-26 7.08R 21,4006,R
1979 1978-12-09 7.36 22,7006
1980 1980-06-19 9.24 32,0006
1981 1981-06-07 11.00 42,1006
1982 1982-09-22 9.65 33,8006
1983 1983-02-11 7.11 21,6006
1984 1984-01-05 7.25 22,2006
1985 1984-12-13 7.97 25,6006
1986 1985-11-04 8.47 25,9006
1987 1986-11-24 8.77 28,3006
1988 1988-09-22 8.12 25,2006
1989 1988-10-17 8.42 26,6006
1990 1989-11-12 9.20 30,4006
1991 1990-12-13 8.87 28,8006
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.