Data is updated every year about October/November time period
Date |
Annual Peak Pool Level (ft) |
Storage Utilized | ||
Inches | Acre-Feet | Percent | ||
1943 | ||||
10 Nov 1943 | 339.5 | 0.7 | 34,800 | 23 |
04 Apr 1945 | 330.1 | 0.4 | 19,940 | 13 |
24 May 1946 | 320.9 | 0.2 | 9,310 | 6 |
13 Apr 1947 | 328.1 | 0.3 | 17,230 | 11 |
02 Apr 1948 | 327.5 | 0.3 | 16,450 | 11 |
01 Jan 1949 | 327.7 | 0.3 | 16,710 | 11 |
22 Apr 1950 | 335.5 | 0.5 | 28,000 | 18 |
04 Apr 1951 | 331.4 | 0.4 | 21,760 | 14 |
02 Jun 1952 | 331.3 | 0.4 | 21,620 | 14 |
29 Mar 1953 | 375.7 | 2.1 | 113,650 | 74 |
13 Sep 1954 | 330.8 | 0.4 | 20,920 | 14 |
16 Apr 1955 | 323.0 | 0.2 | 11,200 | 7 |
14 Jan 1956 | 331.8 | 0.4 | 22,320 | 14 |
22 Apr 1957 | 314.0 | 0.1 | 4,100 | 3 |
22 Dec 1957 | 338.6 | 0.6 | 33,220 | 22 |
05 Apr 1959 | 322.0 | 0.2 | 10,300 | 7 |
26 Oct 1959 | 355.7 | 1.3 | 66,940 | 43 |
24 Apr 1961 | 319.0 | 0.1 | 7,700 | 5 |
09 Apr 1962 | 327.8 | 0.3 | 16,840 | 11 |
08 Oct 1962 | 330.0 | 0.4 | 19,800 | 13 |
16 Apr 1964 | 330.8 | 0.4 | 20,920 | 14 |
17 Apr 1965 | 315.1 | 0.1 | 4,770 | 3 |
29 Mar 1966 | 319.0 | 0.2 | 7,700 | 6 |
04 Apr 1967 | 325.3 | 0.3 | 13,660 | 9 |
26 Apr 1968 | 329.0 | 0.3 | 18,400 | 12 |
20 Apr 1969 | 349.1 | 1.0 | 53,100 | 34 |
25 Apr 1970 | 323.0 | 0.2 | 11,200 | 7 |
05 May 1971 | 325.0 | 0.2 | 13,300 | 9 |
05 May 1972 | 324.0 | 0.2 | 12,200 | 8 |
06 Jul 1973 | 369.8 | 1.9 | 99,320 | 64 |
22 Dec 1973 | 347.9 | 1.0 | 50,700 | 33 |
21 Mar 1975 | 320.5 | 0.2 | 8,950 | 6 |
03 Apr 1976 | 335.6 | 0.5 | 28,160 | 18 |
16 Mar 1977 | 340.1 | 0.7 | 35,870 | 23 |
12 Jan 1978 | 320.0 | 0.2 | 8,500 | 6 |
29 Mar 1979 | 330.4 | 0.4 | 20,360 | 13 |
11 Apr 1980 | 329.9 | 0.4 | 19,660 | 13 |
22 Feb 1981 | 340.0 | 0.7 | 35,700 | 23 |
22 Apr 1982 | 331.6 | 0.4 | 22,040 | 14 |
27 Apr 1983 | 331.3 | 0.4 | 21,620 | 14 |
04 Jun 1984 | 373.6 | 2.0 | 108,440 | 70 |
14 Mar 1985 | 314.7 | 0.1 | 4,520 | 3 |
29 Jan 1986 | 344.0 | 0.8 | 43,000 | 28 |
03 Apr 1987 | 375.4 | 2.1 | 112,900 | 73 |
30 Apr 1988 | 333.2 | 0.5 | 24,400 | 16 |
08 May 1989 | 329.3 | 0.4 | 18,820 | 12 |
13 Aug 1990 | 332.6 | 0.4 | 23,500 | 15 |
25 Dec 1990 | 326.9 | 0.3 | 15,670 | 10 |
13 Mar 1992 | 321.7 | 0.2 | 10,030 | 7 |
19 Apr 1993 | 330.1 | 0.4 | 19,940 | 13 |
18 Apr 1994 | 332.8 | 0.4 | 23,800 | 15 |
18 Jan 1995 | 319.5 | 0.2 | 8,100 | 6 |
25 Apr 1996 | 340.4 | 0.7 | 36,380 | 24 |
21 Apr 1997 | 333.5 | 0.5 | 24,850 | 16 |
18 Jun 1998 | 349.7 | 1.0 | 54,300 | 35 |
19 Sep 1999 | 334.9 | 0.5 | 27,040 | 18 |
11 Apr 2000 | 340.5 | 0.7 | 36,533 | 24 |
19 Dec 2000 | 333.8 | 0.5 | 25,285 | 16 |
15 Apr 2002 | 333.3 | 0.5 | 24,550 | 16 |
31 Mar 2003 | 324.7 | 0.2 | 12,959 | 8 |
19 Dec 2003 | 331.7 | 0.4 | 22,166 | 14 |
05 Apr 2005 | 336.9 | 0.6 | 29,500 | 20 |
18 May 2006 | 359.2 | 1.4 | 74,618 | 50 |
20 Apr 2007 | 339.6 | 0.7 | 34,980 | 23 |
01 May 2008 | 337.7 | 0.6 | 31,605 | 21 |
13 Dec 2008 | 326.2 | 0.3 | 14,695 | 10 |
31 Mar 2010 | 325.9 | 0.3 | 14,447 | 10 |
30 Aug 2011 | 351.3 | 1.1 | 57,695 | 38 |
10 May 2012 | 322.4 | 0.2 | 10,709 | 7 |
01 Nov 2012 | 326.0 | 0.3 | 14,454 | 10 |
17 Apr 2014 | 344.0 | 0.8 | 42,981 | 29 |
22 Apr 2015 | 320.8 | 0.2 | 9,229 | 6 |
26 Feb 2016 | 326.8 | 0.3 | 15,540 | 10 |
03 Jul 2017 | 334.6 | 0.5 | 26,528 | 18 |
01 Nov 2017 | 348.6 | 1.0 | 52,160 | 35 |
23 Apr 2019 | 349.4 | 1.0 | 53,700 | 36 |
15 Apr 2020 | 335.9 | 0.5 | 28,576 | 19 |
27 Dec 2020 | 337.3 | 0.6 | 30,961 | 21 |
01 Nov 2021 | 323.4 | 0.2 | 11,621 | 8 |
04 May 2023 | 339.9 | 0.7 | 35,484 | 24 |
20 Dec 2025 | 359.6 | 1.4 | 75,476 | 50 |