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Peak Streamflow for the Nation

USGS 12027500 CHEHALIS RIVER NEAR GRAND MOUND, WA

Thurston County, Washington
Hydrologic Unit Code 17100103
Latitude  46°46'34", Longitude 123°02'04" NAD27
Drainage area 895  square miles
Gage datum 0 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 1929-03-27 8.00 13,700
1930 1930-02-08 7.26 12,200
1931 1931-04-01 10.39 19,400
1932 1932-02-27 11.29 23,500
1933 1932-12-03 11.55 24,900
1934 1933-12-21 15.00 45,700
1935 1935-01-23 17.08 38,000
1936 1936-01-13 16.77 36,300
1937 1937-04-15 14.33 24,300
1938 1937-12-29 18.39 48,400
1939 1939-02-16 14.39 24,800
1940 1939-12-17 13.90 22,700
1941 1941-01-19 12.69 18,800
1942 1941-12-20 15.30 26,900
1943 1943-02-07 13.23 20,200
1944 1943-12-04 12.30 16,400
1945 1945-02-09 15.29 27,000
1946 1945-12-30 14.33 23,100
1947 1947-01-26 14.57 24,200
1948 1948-01-03 13.57 20,000
1949 1949-02-18 16.70 36,500
1950 1950-02-26 15.41 26,300
1951 1951-02-10 16.96 38,000
1952 1952-02-05 13.12 18,800
1953 1953-01-10 13.69 20,500
1954 1954-01-06 16.53 34,700
1955 1955-02-09 12.90 18,100
1956 1955-12-22 16.58 35,100
1957 1957-02-27 13.89 20,900
1958 1957-12-27 13.16 18,500
1959 1958-11-13 14.31 22,500
1960 1959-11-24 14.82 24,700
1961 1961-02-22 15.29 27,000
1962 1961-12-21 12.30 15,900
1963 1962-11-21 15.78 29,800
1964 1964-01-26 16.66 35,700
1965 1964-12-24 15.12 26,200
1966 1966-01-07 14.16 21,900
1967 1966-12-14 16.48 34,400
1968 1968-02-05 14.83 24,800
1969 1969-02-12 12.91 17,500
1970 1970-01-28 14.62 23,300
1971 1971-01-26 17.29 40,800
1972 1972-01-21 18.21 49,200
1973 1972-12-28 14.27 21,900
1974 1974-01-17 16.88 37,400
1975 1975-01-15 15.44 26,900
1976 1975-12-05 17.73 44,800
1977 1977-03-09 12.32 15,200
1978 1977-12-03 16.79 36,500
1979 1979-02-08 13.38 18,300
1980 1980-01-13 13.60 19,000
1981 1980-12-27 14.87 24,000
1982 1982-01-25 15.50 27,300
1983 1982-12-05 15.19 25,600
1984 1984-01-26 13.71 19,200
1985 1984-11-29 13.27 18,000
1986 1986-01-20 16.49 32,100
1987 1986-11-25 18.41 51,600
1988 1987-12-11 13.88 16,400
1989 1988-12-31 13.22 14,400
1990 1990-01-10 19.34 68,700
1991 1990-11-25 18.12 48,000
1992 1992-01-30 14.63 19,600
1993 1993-04-12 11.02 10,400
1994 1994-03-04 12.42 13,100
1995 1994-12-21 16.97 35,900
1996 1996-02-09 19.98 74,800
1997 1996-12-30 17.29 38,700
1998 1998-01-15 14.53 21,400
1999 1998-11-26 17.04 36,500
2000 1999-12-17 16.34 31,000
2001 2001-02-05 7.14 5,750
2002 2001-12-18 16.33 31,900
2003 2003-02-01 14.56 23,100
2004 2004-01-31 13.88 20,400
2005 2005-01-19 14.17 20,700
2006 2006-01-31 16.54 37,900
2007 2006-11-08 15.77 32,700
2008 2007-12-04 20.23 79,100
2009 2009-01-08 18.18 50,700
2010 2009-11-18 13.04 19,400
2011 2011-01-17 14.24 23,900
2012 2012-03-16 14.39 24,500
2013 2012-11-21 14.95 27,000
2014 2014-02-18 15.13 27,800
2015 2015-01-06 15.16 28,000
2016 2015-12-10 16.84 37,700
2017 2017-02-10 15.77 30,800
2018 2017-12-30 13.423,2 20,100
2019 2018-12-19 138.86 13,600R
2020 2019-12-22 142.68 27,300R
2021 2021-01-14 142.88 28,900
2022 2022-01-08 145.21 51,300
2023 2022-12-28 140.84 19,100
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.