Data is updated every year about October/November time period



Tully Dam, E.B. Tully River
Peak Pool Levels
by Water Year
(1949 - Present)
Drainage Area:  50 sq. miles
Normal Pool:  16 ft. (Summer), 13 ft. (Winter)
Gate Invert Elev.:  625 ft. NGVD
1" Runoff =   2,667 ac-ft
Storage at Spillway Crest:   8.1 in. / 21,500 ac-ft



Date
Annual Peak
Pool Level (ft)
Storage Utilized
Inches Acre-Feet Percent
07 Jan 1949 16.4 0.6 1,630 7
     
12 Mar 1950 13.2 0.3 865 4
05 Apr 1951 21.3 1.4 3,640 17
30 Jan 1952 17.8 0.8 2,125 10
31 Mar 1953 24.7 2.1 5,545 25
20 Apr 1954 16.6 0.6 1,695 8
22 Aug 1955 16.9 0.7 1,792 8
05 May 1956 26.1 2.4 6,443 29
27 Jan 1957 15.5 0.5 1,362 6
24 Apr 1958 17.8 0.8 2,125 10
05 Apr 1959 18.3 0.9 2,320 11
     
08 Apr 1960 32.3 4.3 11,355 52
01 Mar 1961 14.4 0.4 1,105 5
09 Apr 1962 21.8 1.5 3,915 18
07 Apr 1963 20.5 1.2 3,250 15
18 Apr 1964 20.0 1.1 3,025 14
24 Mar 1965 14.6 0.4 1,145 5
27 Mar 1966 19.4 1.0 2,770 13
29 May 1967 22.4 1.6 4,245 19
26 Mar 1968 24.7 2.1 5,545 25
25 Apr 1969 24.2 2.0 5,245 24
     
10 Apr 1970 20.3 1.2 3,160 14
14 Apr 1971 17.0 0.7 1,825 8
24 Apr 1972 23.5 1.8 4,850 22
19 Mar 1973 20.0 1.1 3,025 14
23 Dec 1973 21.3 1.4 3,640 17
28 Sep 1975 22.0 1.5 4,025 18
01 Feb 1976 20.9 1.3 3,430 16
17 Mar 1977 25.3 2.2 5,920 27
12 Jan 1978 19.9 1.1 2,982 14
12 Mar 1979 29.6 3.4 9,120 41
     
24 Mar 1980 22.4 1.6 4,245 19
27 Feb 1981 20.1 1.2 3,070 14
05 Apr 1982 23.8 1.9 5,015 23
22 Mar 1983 20.2 1.2 3,115 14
05 Jun 1984 35.0 5.2 13,750 62
05 Apr 1985 17.4 0.7 1,975 9
21 Mar 1986 23.6 1.8 4,905 22
10 Apr 1987 35.3 5.3 14,042 64
29 Mar 1988 20.8 1.3 3,385 15
08 May 1989 19.8 1.1 2,940 13
     
22 Mar 1990 23.2 1.8 4,685 21
22 Aug 1991 22.1 1.5 4,080 19
04 Apr 1992 18.4 0.9 2,360 11
02 Apr 1993 22.1 1.5 4,080 19
08 Apr 1994 20.4 1.2 3,205 15
08 Apr 1995 18.6 0.9 2,440 11
24 Apr 1996 26.6 2.5 6,773 31
02 Apr 1997 20.8 1.3 3,372 15
19 Jun 1998 20.7 1.2 3,326 15
19 Sep 1999 22.5 1.6 4,311 20
     
23 Apr 2000 18.5 0.9 2,392 11
15 Apr 2001 20.8 1.3 3,385 15
12 Apr 2002 18.1 0.8 2,240 10
31 Mar 2003 20.9 1.3 3,430 16
03 Apr 2004 22.1 1.5 4,080 19
06 Apr 2005 26.3 2.2 6,000 27
17 Oct 2005 27.1 2.5 6,525 30
20 Apr 2007 26.3 2.3 6,053 28
20 Feb 2008 21.8 1.3 3,390 16
02 Apr 2009 19.8 0.9 2,407 12
     
02 Apr 2010 24.0 1.7 4,575 21
13 Mar 2011 26.3 2.2 6,000 28
09 Dec 2011 18.9 0.8 2,047 10
11 Apr 2013 19.0 0.8 2,059 10
02 Apr 2014 21.5 1.2 3,247 15
09 Apr 2015 18.9 0.8 2,039 10
29 Mar 2016 19.2 0.8 2,173 10
08 Apr 2017 20.8 1.1 2,874 14
19 Jan 2018 24.7 1.9 5,008 23
11 Apr 2019 20.7 1.1 2,815 13
     
14 Apr 2020 18.2 0.7 1,735 8
20 Jul 2021 24.4 1.8 4,825 22