Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Peak Streamflow for the Nation

USGS 12322000 KOOTENAI RIVER AT PORTHILL ID

Boundary County, Idaho
Hydrologic Unit Code 17010104
Latitude  48°59'47", Longitude 116°30'27" NAD83
Drainage area 13,700  square miles
Gage datum 1,700 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)
1894 1894 72.70Bm  
1925 1925-05-26 62.43  
1926 1926-05-05 50.66  
1927 1927-06-17 62.49  
1928 1928-05-27 63.32 83,0001
1929 1929-06-05 57.182 59,5001
1930 1930-06-03 55.632 61,2001
1931 1931-05-17 54.48 52,0001
1932 1932-05-23 59.792 77,2001
1933 1933-06-19 63.92 93,2001
1934 1934-04-29 61.042 89,3001
1935 1935-05-24 58.382 69,4001
1936 1936-05-17 58.492 59,8001
1937 1937-05-29 56.392 54,3001
1938 1938-05-29 64.08 91,1001
1939 1939-05-18 55.66 51,1001
1940 1940-05-26 56.49 54,6001
1941 1941-05-18 51.79 38,8001
1942 1942-05-28 60.58 81,9001
1943 1943-04-21 56.642 68,2001
1944 1944-06-02 50.432 33,3001
1945 1945-06-02 57.91 62,3001
1946 1946-05-31 62.62 83,3001
1947 1947-05-11 62.09 91,1001
1948 1948-06-01 66.16 125,0001
1949 1949-05-16 61.98 86,8001
1950 1950-06-23 65.44 91,6001
1951 1951-05-14 62.202 88,6001
1952 1952-04-29 57.862 71,2001
1953 1953-06-16 62.59 79,2001
1954 1954-05-22 65.17 102,0001
1955 1955-06-15 63.462 88,7001
1956 1956-05-28   114,0001
1957 1957-05-09 60.152 82,3001
1958 1958-05-26   81,1001
1959 1959-06-07   93,2001
1960 1960-06-06 59.651 77,5001
1961 1961-05-29   117,0001
1962 1962-05-30   63,7001
1963 1963-05-28   64,0001
1964 1964-06-10   93,4001
1965 1965-06-20   75,4001
1966 1966-06-03   87,1001
1967 1967-06-05   98,3001
1968 1968-06-05   75,2001
1969 1969-05-15   91,4001
1970 1970-06-07   65,8001
1971 1971-05-30   90,2001
1972 1972-06-01   60,2001,6
1973 1972-10-13   35,8001,6
1974 1974-01-17   55,0001,6
1975 1975-05-16   39,8001,6
1976 1976-05-11   44,4001,6
1977 1976-11-30   30,8001,6
1978 1978-05-16   29,3001,6
1979 1979-05-06   26,9001,6
1980 1980-04-30   37,2001,6
1981 1981-07-08   44,5001,6
1982 1982-05-26   45,2001,6
1983 1983-05-26   32,4001,6
1984 1984-01-26   23,7001,6
1985 1985-05-21   28,0001,6
1986 1985-11-05   36,2001,6
1987 1986-11-25   35,1001,6
1988 1988-04-18   25,3001,6
1989 1989-05-08   31,2001,6
1990 1990-06-20   38,7001,6
1991 1991-05-19   53,7001,6
1992 1991-11-05   30,0001,6
1993 1993-05-16   28,4001,6
1994 1994-06-07   26,1001,6
1995 1995-05-18   43,8001,6
1996 1996-06-05   56,2001,6
1997 1997-05-14   61,4001,6
1998 1998-05-28   46,8001,6
1999 1999-06-18   49,4001,6
2000 2000-06-15   36,4001,6
2001 2000-12-12   19,7001,6
2002 2002-05-23   50,1001,6
2003 2003-06-08   34,9001,6
2004 2004-06-07   23,2001,6
2005 2005-05-25   33,4001,6
2006 2006-06-20   62,7001,6
2007 2007-05-28   36,6001,6
2008 2008-05-19   57,3001,6
2009 2009-05-20   36,8001,6
2010 2010-06-12   47,8001,6
2011 2011-05-16   52,9001,6
2012 2012-06-29   59,9001,6
2013 2013-05-14   57,0001,6
2014 2014-05-18 53.342 50,5006
2015 2015-05-25 48.45 34,0006
2016 2016-05-24   45,6006
2017 2017-03-20 48.052 51,1006
2018 2018-05-10 53.181,2 49,2006
2019 2019-05-17 48.641,2 35,5006
2020 2020-06-01 54.351,2 44,4006
2021 2021-05-18 49.551,2 40,2006
2022 2022-06-05 53.692 49,3006
2023 2023-05-18 51.081,2 37,2006
?
  Peak Gage-Height Qualification Codes.
?
  Peak Streamflow Qualification Codes.