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Peak Streamflow for the Nation

USGS 12355000 Flathead River at Flathead British Columbia

000, British Columbia
Hydrologic Unit Code --
Latitude  49°00'04.47", Longitude 114°28'32.39" NAD83
Drainage area 429  square miles
Gage datum 3,968.16 feet above NGVD29
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
Reselect output format
Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1929 1929-05-24 6.10 7,750
1930 1930-05-31 4.78 4,760
1931 1931-05-15 5.10 5,400
1932 1932-05-22 6.12 8,0301
1933 1933-06-17 7.10 10,600
1934 1934-05-16 5.79 6,990
1935 1935-05-23 6.18 8,080
1936 1936-05-15 5.52 6,2701
1937 1937-05-27 5.10 5,260
1938 1938-05-26 6.82 8,9501
1939 1939-05-04 4.99 5,0301
1940 1940-05-12 5.55 6,2201
1941 1941-05-02 3.92 2,930
1942 1942-06-06 5.52 6,160
1943 1943-05-29 5.24 5,550
1944 1944-05-17 3.82 2,780
1945 1945-05-31 5.20 5,470
1946 1946-05-06 6.35 7,960
1947 1947-05-09 6.60 8,510
1948 1948-05-23 9.10 14,600
1949 1949-05-13 5.80 6,750
1950 1950-06-21 5.25 6,320
1951 1951-05-12 6.12 8,100
1952 1952-05-21 4.29 4,400
1953 1953-06-13 6.20 8,900
1954 1954-05-20 7.40 11,700
1955 1955-06-12 5.58 8,260
1956 1956-05-21 7.05 13,300
1957 1957-05-05 5.60 8,320
1958 1958-05-13 5.32 7,420
1959 1959-06-05 5.94 9,550
1960 1960-06-03 5.96 9,610
1961 1961-05-27 7.12 12,700
1962 1962-05-24 4.42 5,200
1963 1963-05-31 4.08 4,650
1964 1964-06-08 8.00 16,300
1965 1965-05-30 7.98 8,410
1966 1966-05-31   7,2002
1967 1967-05-23 8.67 9,970
1968 1968-05-22   6,200
1969 1969-05-14   6,500
1970 1970-05-26 7.30 6,150
1971 1971-05-28   8,3002
1972 1972-06-01 9.15 11,800
1973 1973-05-18   8,600
1974 1974-06-17 7.57 12,300
1975 1975-06-20 7.52 12,800
1976 1976-05-11 6.30 8,800
1977 1977-05-11 3.58 3,010
1978 1978-06-06 5.40 6,520
1979 1979-05-27 5.41 6,930
1980 1980-05-26 5.29 6,280
1981 1981-05-23 5.28 6,640
1982 1982-05-26 5.64 7,590
1983 1983-05-27 5.97 7,800
1984 1984-05-31 5.28 6,250
1985 1985-05-25 5.31 6,710
1986 1986-05-29 6.04 7,910
1987 1987-05-01 5.69 7,170
1988 1988-05-13 4.91 5,540
1989 1989-05-08 5.44 6,640
1990 1990-05-30 5.56 6,890
1991 1991-05-20 6.69 9,360
1992 1992-04-30 4.38 4,490
1993 1993-05-14 5.70 7,170
1994 1994-05-13 5.18 6,070
1995 1995-06-07   20,9002
2000 1999-11-13 9.04 9,360
2001 2001-05-14 7.892 4,530
2002 2002-05-31 10.00 9,220
2003 2003-05-30 9.03 6,650
2004 2004-05-03 7.66 4,070
2005 2005-05-18 8.442 5,0202
2006 2006-05-19 9.71 8,4102
2007 2006-11-07 9.29 7,300
2008 2008-05-25 10.34 9,860
2009 2009-05-31 8.49 5,400
2010 2010-05-19 8.57 5,580
2011 2011-06-08 9.90 8,900
2012 2012-06-06 9.21 7,120
2013 2013-05-14 10.62 13,400
2014 2014-06-18 10.17 9,390
2015 2015-06-03 7.79 4,070
2016 2016-04-23 8.46 5,150
2017 2017-05-24 9.70 8,460
2018 2018-05-17 10.01 11,200
2019 2019-05-16 8.68 5,040
2020 2020-06-01 10.59 9,810
2021 2021-06-04 8.94 5,890
2022 2022-06-11 9.64 7,440
2023 2023-05-05 8.56 5,120
2024 2024-05-17 8.85 5,700
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.