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Peak Streamflow for the Nation

USGS 12436500 COLUMBIA RIVER AT GRAND COULEE, WA

Okanogan County, Washington
Hydrologic Unit Code 17020005
Latitude  47°57'56", Longitude 118°58'54" NAD27
Drainage area 74,700  square miles
Gage datum 900.00 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)
1894 1894-06   725,0002,6,7,Bd
1913 1913-06-15   492,0006,7
1923 1923-06-17 979.503 395,0006,7
1928 1928-06-01 985.803 490,0006
1929 1929-06-18   319,0006
1930 1930-06-15 967.603 251,0006
1931 1931-06-14 962.703 243,0006
1932 1932-06-19 973.203 363,0006
1933 1933-06-23 979.883 469,0006
1934 1934-06-03 973.383 378,0006
1935 1935-06-18 971.773 355,0006
1936 1936-06-04 74.42 387,0006
1937 1937-06-25 65.71 271,0006
1938 1938-06-08 72.80 364,0006
1939 1939-06-01 67.25 290,0006
1940 1940-06-05 65.30 266,0006
1941 1941-05-09 56.19 170,0006
1942 1942-06-13 69.16 315,0006
1943 1943-06-21 69.53 320,0006
1944 1944-06-16 61.05 218,0006
1945 1945-06-06 70.59 334,0006
1946 1946-06-01 75.52 402,0006
1947 1947-06-10 72.54 352,0006
1948 1948-06-12 87.90 638,0006
1949 1949-05-21 72.70 363,0006
1950 1950-06-25 81.66 508,0006
1951 1951-05-28 73.70 377,0006
1952 1952-05-25 72.12 355,0006
1953 1953-06-17 73.50 374,0006
1954 1954-07-10 75.50 404,0006
1955 1955-06-28 79.13 414,0006
1956 1956-06-08 83.80 522,0006
1957 1957-05-26 77.20 402,0006
1958 1958-06-06 75.43 387,0006
1959 1959-06-28 78.40 426,0006
1960 1960-07-01 70.42 298,0006
1961 1961-06-09 83.60 503,0006
1962 1962-06-04 71.32 303,0006
1963 1963-06-26 69.76 286,0006
1964 1964-06-20 78.92 417,0006
1965 1965-06-21 72.50 329,0006
1966 1966-06-10 73.48 334,0006
1967 1967-06-25   429,0006
1968 1968-06-08 71.76 306,0006
1969 1969-07-01   267,0006
1970 1970-06-02   214,0006
1971 1971-06-17   290,0001,6
1972 1972-06-15 78.88 369,0006
1973 1972-12-11 60.47 177,0006
1974 1974-06-28   303,0001,6
1975 1975-05-22   197,0001,6
1976 1976-07-19   227,0001,6
1977 1977-01-26   139,0001,6
1978 1978-09-09   178,0001,6
1979 1978-12-31   165,0001,6
1980 1980-05-30 65.46 215,0006
1981 1981-06-12   261,0001,6
1982 1982-03-11 74.84 283,0006
1983 1983-03-04 71.672 258,0006
1984 1984-05-04   165,0001,6
1985 1985-02-05   179,0001,6
1986 1986-04-15   166,0001,6
1987 1987-05-27   162,0001,6
1988 1988-02-05   142,0001,6
1989 1989-05-23   167,0001,6
1990 1990-06-13   213,0001,6
1991 1991-05-28   187,0001,6
1992 1992-06-17   180,0001,6
1993 1993-05-22   163,0001,6
1994 1994-06-13   173,0001,6
1995 1995-06-26   155,0001,6
1996 1996-02-27   225,0001,6
1997 1997-06-22   295,0001,6
1998 1998-06-02   205,0001,6
1999 1999-08-12   183,0001,6
2000 2000-04-24   202,0001,6
2001 2000-12-13   139,0001,6
2002 2002-06-02   238,0001,6
2003 2003-06-16   161,0001,6
2004 2004-08-31   158,0001,6
2005 2005-05-26   162,0001,6
2006 2006-05-28   224,0001,6
2007 2007-04-03   183,0001,6
2008 2008-06-03   215,0001,6
2009 2009-06-04   161,0001,6
2010 2010-06-21   198,0001,6
2011 2011-05-28   268,0001,6
2012 2012-06-28   287,0001,6
2013 2013-06-28   201,0001,6
2014 2014-07-01   187,0001,6
2015 2015-02-22   167,0001,6
2016 2016-04-17   183,0001,6
2017 2017-05-17   236,0001,6
2018 2018-05-13   283,0001,6
2019 2019-05-15   152,0001,6
2020 2020-06-07   206,0001,6
2021 2021-06-08   159,0001,6
2022 2022-06-28   263,0001,6
2023 2023-05-17   184,0001,6
2024 2024-07-03   138,0001,6
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.