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Peak Streamflow for the Nation

USGS 14238000 COWLITZ RIVER BELOW MAYFIELD DAM, WA

Lewis County, Washington
Hydrologic Unit Code 17080005
Latitude  46°30'38", Longitude 122°36'54" NAD27
Drainage area 1,400  square miles
Gage datum 226.60 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)
1912 1911-11-19   35,0007
1935 1934-11-06 20.10 36,900
1936 1936-06-08 16.57 23,400
1937 1937-04-15 18.32 29,900
1938 1937-12-30 19.91 36,100
1939 1939-02-15 15.45 19,400
1940 1939-12-17 17.26 25,900
1941 1940-11-29 14.96 17,700
1942 1941-12-20 19.26 33,600
1943 1942-11-24 21.50 47,500
1944 1943-12-04 16.42 22,500
1945 1945-02-08 18.22 29,200
1946 1945-12-29 20.33 37,600
1947 1946-12-13 24.75 67,000
1948 1947-10-20 17.70 27,100
1949 1949-05-13 16.97 25,400
1950 1949-11-28 19.52 36,300
1951 1951-02-11 22.50 51,200
1952 1952-02-04 16.39 22,500
1953 1953-02-01 19.14 37,100
1954 1953-12-10 21.09 47,600
1955 1955-06-11 17.47 28,600
1956 1955-12-12 22.05 49,900
1957 1956-12-11 18.28 30,700
1958 1958-04-21 17.36 26,500
1959 1958-11-12 19.69 37,400
1960 1959-11-24 23.71 60,800
1961 1961-02-22 19.29 36,400
1962 1961-12-25 17.93 29,200
1963 1962-11-21 21.83 49,5006
1964 1964-01-26 17.49 27,5006
1965 1965-01-30 24.36 64,7006
1966 1966-05-07 16.76 24,5006
1967 1966-12-13 20.09 40,4006
1968 1968-02-20 19.03 35,2006
1969 1969-01-05 16.65 22,4006
1970 1970-01-27 14.11 13,1006
1971 1971-01-26 17.11 24,2006
1972 1972-03-19 19.27 33,8006
1973 1972-12-27 17.47 25,7006
1974 1974-06-19 17.85 27,2006
1975 1975-01-18 17.76 26,8006
1976 1975-12-04 25.26 64,7006
1977 1977-01-09 13.38 10,6006
1978 1977-12-04 23.69 55,2006
1979 1979-02-07 14.73 14,7006
1980 1979-12-18 18.40 28,6006
1981 1980-12-31 18.42 28,7006
1982 1982-01-24 18.45 28,9006
1983 1983-01-08 17.56 25,2006
1984 1983-11-16 18.97 31,2006
1985 1985-06-13 14.29 13,3006
1986 1986-02-23 17.82 26,2006
1987 1986-11-24 17.32 24,2006
1988 1987-12-09 14.69 14,1006
1989 1988-11-28 15.83 17,7006
1990 1990-02-10 17.78 24,9006
1991 1990-11-24 19.62 32,7006
1992 1991-12-08 16.35 19,5006
1993 1993-05-21 13.39 10,3006
1994 1994-01-17 14.32 13,0006
1995 1995-02-19 18.31 27,0006
1996 1995-11-28 26.19 68,4006
1997 1997-01-04 17.83 25,0006
1998 1997-11-07 15.70 15,6006
1999 1998-12-29 16.37 17,8006
2000 1999-12-18 16.78 19,2006
2001 2000-12-12 13.86 10,2006
2002 2001-12-19   13,9006
2003 2003-01-31 17.08 20,3006
2004 2004-01-05 15.17 13,9006
2005 2005-01-18 15.15 13,9006
2006 2006-01-16 17.33 21,2006
2007 2006-11-09 19.34 29,3006
2008 2007-12-03 15.11 14,3006
2009 2009-01-07 20.59 34,8006
2010 2009-12-11 15.03 14,0006
2011 2011-01-20 16.75 19,4006
2012 2012-06-22 15.10 14,0006
2013 2012-11-22 15.23 15,1006
2014 2014-03-16 15.39 15,5006
2015 2014-11-25 15.21 14,3006
2016 2015-12-10 16.64 19,8006
2017 2017-03-27 15.16 14,7006
2018 2017-11-21 15.22 14,6006
2019 2019-01-18 14.30 11,9006
2020 2020-02-05 17.89 24,4006
2021 2021-01-14 15.14 14,7006
2022 2022-01-06 15.78 16,4006
2023 2022-12-22 15.10 14,1006
2024 2024-01-17 15.30 14,9006
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  Peak Streamflow Qualification Codes.