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Peak Streamflow for the Nation

USGS 12442500 SIMILKAMEEN RIVER NEAR NIGHTHAWK, WA

Okanogan County, Washington
Hydrologic Unit Code 170200072009
Latitude  48°59'05", Longitude 119°37'02" NAD27
Drainage area 3,550.0  square miles
Gage datum 1,137.7 feet above NGVD29
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
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Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1929 1929-05-23 9.14 8,5006
1930 1930-06-08 9.08 8,5006
1931 1931-05-15 9.49 9,3806
1932 1932-05-11 10.00 10,2006
1933 1933-06-17 13.30 20,9006
1934 1934-04-26 14.96 27,2006
1935 1935-05-31 11.42 14,6006
1936 1936-05-15 10.34 11,4006
1937 1937-06-04 11.90 16,1006
1938 1938-05-27 13.60 21,9006
1939 1939-05-16   10,0006
1940 1940-05-25 8.74 7,5506
1941 1941-06-08 7.23 4,7506
1942 1942-05-27 13.09 20,0006
1943 1943-06-10 11.14 13,4006
1944 1944-06-02 9.72 9,7406
1945 1945-06-01 12.40 17,6006
1946 1946-05-28 11.93 15,9006
1947 1947-05-09 11.43 14,3006
1948 1948-05-30 17.62 38,7006
1949 1949-05-15 14.76 26,9006
1950 1950-06-17 15.47 29,7006
1951 1951-05-24 13.71 22,7006
1952 1952-05-20 11.23 14,4006
1953 1953-06-14 11.79 16,2006
1954 1954-05-21 12.85 19,7006
1955 1955-06-13 15.13 28,2006
1956 1956-05-22 14.19 24,5006
1957 1957-05-21 13.70 23,2006
1958 1958-05-25 11.50 15,5006
1959 1959-06-04 12.77 19,7006
1960 1960-06-04 11.55 15,2006
1961 1961-06-05 13.69 22,5006
1962 1962-05-28 10.48 12,5006
1963 1963-05-24 10.85 13,6006
1964 1964-06-12 13.43 22,0006
1965 1965-05-29 11.53 15,6006
1966 1966-05-10 9.86 10,2006
1967 1967-06-23 13.92 21,1006
1968 1968-05-21 12.27 17,2006
1969 1969-05-25 11.87 16,1006
1970 1970-06-04 11.78 15,6006
1971 1971-05-14 14.06 22,7006
1972 1972-06-01 17.972 45,8006
1973 1973-05-18 10.07 12,4006
1974 1974-06-17 15.52 31,5006
1975 1975-06-03 12.30 19,5006
1976 1976-06-20 11.63 17,2006
1977 1977-06-08 8.05 7,5006
1978 1978-06-06 12.28 19,4006
1979 1979-05-27 9.30 10,3006
1980 1980-05-06 10.86 14,8006
1981 1981-05-26 11.10 14,8006
1982 1982-06-15 11.76 16,8006
1983 1983-05-31 12.91 20,5006
1984 1984-06-16 11.26 15,3006
1985 1985-05-24 11.29 15,4006
1986 1986-06-01 13.72 23,2006
1987 1987-05-13 11.52 16,1006
1988 1988-05-13 10.67 13,6006
1989 1989-06-03 10.23 12,4006
1990 1990-06-01 10.692 14,2006
1991 1991-05-22 14.252 25,4006
1992 1992-05-07 8.67 8,7106
1993 1993-05-15 10.97 14,7006
1994 1994-05-12 9.09 9,8606
1995 1995-05-31 10.76 14,1006
1996 1996-06-08 12.10 18,0006
1997 1997-05-17 14.59 26,8006
1998 1998-05-07 11.23 15,4006
1999 1999-06-17 12.48 19,2006
2000 2000-05-22 9.13 9,9606
2001 2001-05-24 8.66 8,5706
2002 2002-05-30 12.23 17,9006
2003 2003-05-31 9.38 10,1006
2004 2003-10-21 10.14 12,0006
2005 2005-04-27 7.102 5,6206
2006 2006-05-21 11.592 16,2006
2007 2007-06-05 10.59 13,2006
2008 2008-05-20 12.87 20,3006
2009 2009-05-31 9.89 11,3006
2010 2010-06-03 10.24 12,2006
2011 2011-06-09 13.02 20,5006
2012 2012-05-17 11.10 14,6006
2013 2013-05-13 13.06 21,7006
2014 2014-05-18 11.97 17,7006
2015 2015-05-24 8.26 7,7706
2016 2016-04-23 11.72 16,9006
2017 2017-05-24 12.46 19,5006
2018 2018-05-10 15.50 32,3006
2019 2019-05-18 9.52 11,0006
2020 2020-06-01 12.83 20,7006
2021 2021-05-17 10.64 14,0006
2022 2021-11-16 14.41 26,9006
2023 2023-05-06 11.18 15,3006
2024 2024-05-17 8.37 8,3606
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.