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 14233500 COWLITZ RIVER NEAR KOSMOS, WA

Lewis County, Washington
Hydrologic Unit Code 17080005
Latitude  46°27'59", Longitude 122°06'28" NAD27
Drainage area 1,040  square miles
Gage datum 759.29 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)
1949 1949-05-13 14.10 24,100
1950 1949-11-27 15.06 27,600
1951 1951-02-11 16.60 33,800
1952 1951-12-01 12.54 18,000
1953 1953-02-01 14.56 25,600
1954 1953-12-10 14.35 24,800
1955 1955-06-11 14.22 24,300
1956 1955-12-12 16.31 33,200
1957 1956-12-12 13.51 22,300
1958 1958-04-20 13.00 20,500
1959 1958-11-13 13.85 23,500
1960 1959-11-24 19.50 47,500
1961 1961-02-22 13.82 22,700
1962 1962-04-07 13.86 22,800
1963 1962-11-20 18.22 41,000
1964 1964-06-05 12.59 18,100
1965 1965-01-30 19.08 45,000
1966 1966-05-06 13.52 21,400
1967 1966-12-13 15.58 29,500
1968 1968-02-19 15.21 28,000
1994 1994-03-04 13.05 14,6006
1995 1995-02-01   68,0006
1996 1996-02-09   103,0006
1997 1997-01-01   54,6006
1998 1997-10-31   38,5006
1999 1998-12-31   39,3006
2000 1999-11-12   42,3006
2001 2001-05-24   10,6006
2002 2002-04-14   48,7006
2003 2003-02-01   61,8006
2004 2004-01-30   23,4006
2005 2005-01-19   38,6006
2006 2006-01-10   35,8006
2007 2006-11-07   77,3006
2008 2007-12-04   37,1006
2009 2009-01-08   53,4006
2010 2010-06-03   17,0006
2011 2011-01-17   67,6006
2012 2012-02-22   33,1006
2013 2012-11-20   30,2006
2014 2014-03-06   43,7006
2015 2014-11-26   52,1006
2016 2015-12-09   79,7006
2017 2017-03-15   36,4006
2018 2017-11-23   53,4006
2019 2019-09-18   12,1006
2020 2020-02-07   49,1006
2021 2021-01-13   28,5006
2022 2022-03-01   28,5006
?
  Peak Streamflow Qualification Codes.