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Historic River Levels

Yakima River at Cle Elum (USGS)
  • Area: 502 square miles
  • Period of Record: 1907-1990
Date of Event
 Flow in Cubic Feet Per Second (cfs)
November 14, 1906
 25,600
December 30, 1917
 19,900
December 13, 1921
 19,500
December 2, 1977
 17,600
December 24, 1909
 17,300
May 29, 1948
 16,700
November 23, 1959
 14,000
June 3, 1913
 11,300
December 13, 1928
 10,600
May 30, 1917
  
Missing flood data:
  • 1904
  • 1906
  • 1990
Yakima River at Umtanum (USGS)
  • Area: 1,594 square miles
  • Period of Record: 1907-2007
Date of Event
 Flow (cfs)
November 14, 1906
 41,000
December 23, 1933
 32,200
May 29, 1948
 27,800
February 9, 1996
 27,200
November 25, 1909
 22,900
November 25, 1990
 22,800
December 2, 1977
 21,500
November 23, 1959
 19,100
December 26, 1980
 16,800
December 3, 1975
 16,600
Missing flood data:
  • 1904
  • 1906
Yakima River Near Parker (USGS)
  • Area: 3,660 square miles
  • Period of Record: 1908-1977
Yakima River Near Parker (BOR)
  • Area: 3,660
  • Period of Record: 1979-2007
Date of Event
 Flow (cfs)
December 23, 1933
 65,000
February 9, 1996
 58,150
December 30, 1917
 52,900
December 27, 1980
 47,337
May 29, 1948
 37,700
November 30, 1995
 36,504
November 26, 1990
 35,620
December 13, 1921
 35,800
December 3, 1977
 35,090
January 8, 2009
 32,630
January 16, 1974
 28,000
November 23, 1959
 27,400
December 4, 1975
 26,500
Missing flood data:
  • 1904
  • 1906
Yakima River at Kiona (USGS)
  • Area: 5,615 square miles
  • Period of Record: 1978-1914, 1933-2007
Date of Event
 Flow (cfs)
December 23, 1933
 67,000
November 17, 1906
 66,000
February 11, 1996
 49,400
January 18, 1974
 39,700
November 18, 1896
 38,000
May 31, 1948
 37,900
April 17, 1904
 32,000
November 26, 1909
 30,600
December 28, 1980
 27,600
December 4, 1977
 27,000
Missing flood data:
  • 1917
  • 1921
Naches River below Tieton (USGS)
  • Area: 941 square miles
  • Period of Record: 1909-1979
Naches River at Naches (BOR)
  • Area: 941 square miles
  • Period of Record: 1979-2007
Date of Event
 Flow (cfs)
December 22, 1933
 32,200
February 8, 1996
 20,924
November 24, 1909
 19,400
December 2, 1977
 18,000
December 30, 1917
 16,800
November 20, 1995
 16,434
December 13, 1921
 14,500
December 4, 1975
 14,100
June 1, 1956
 13,300
June 17, 1974
 12,800
May 25, 1948
 12,600
June 18, 1916
 11,700
Missing flood data:
  • 1904
  • 1906
North Fork Ahtanum Near Tampico (USGS)
  • Area: 78.9 square miles
  • Period of Record: 1908-1921, 1932-1979
North Fork Ahtanum Near Tampico (AID)
  • Area: 78.9 square miles
  • Period of Record: 1997-2006
Date of Event
 Flow (cfs)
January 15, 1974
 1,580
December 2, 1977
 1,080
May 20, 1956
 823
May 27, 1948
 770
March 1, 1910
 766
December 22, 1933
 755
June 18, 1916
 728
May 11, 1951
 655
May 20, 1912
 629
June 10, 1972
 593
Missing flood data:
  • 1904
  • 1906
  • 1980
  • 1990
  • 1996
Ahtanum Creek at Union Gap (USGS)
  • Area: 173 square miles
  • Period of Record: 1910-1914, 1960-2007
Date of Event
 Flow (cfs)
January 16, 1974
 3,100
February 9, 1996
 2,660
February 2, 1995
 1,700
March 3, 1910
 1,530
February 5, 1963
 1,340
March 13, 1983
 1,240
February 21, 1982
 1,110
February 29, 1980
 1,020
February 1, 2003
 1,010
December 3, 1977
 882
Missing flood data:
  • 1904
  • 1906
  • 1909
  • 1916
  • 1917
  • 1921
  • 1933
  • 1948
  • 1951
  • 1956
America River Near Nile (USGS)
  • Area: 78.9 square miles
  • Period of Record: 1940-2006
Date of Event
 Flow (cfs)
December 26, 1980
 6,280
December 4, 1975
 4,860
January 16, 1974
 4,310
February 9, 1996
 4,050
January 2, 1968
 3,440
May 27, 1948
 3,420
November 2, 2006
 3,130
December 2, 1977
 3,02
May 20, 1956
 2,870
November 27, 1949
 2,530
Missing flood data:
  • 1904
  • 1906
  • 1909
  • 1917
  • 1921
  • 1933
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