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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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