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SNAKE - LOWER GRANITE DAM   (LGDW1)
Period Rankings - 1949 to 2024
 APR-AUG Normal -- 21121 (KAF)
Rank Year Period Volume
(KAF) 		Percent of Normal Exceedance
Probability*
1 1974 36158.74 171 1.299 %
2 1997 36091.24 171 2.597 %
3 2011 35332.20 167 3.896 %
4 1971 35253.11 167 5.195 %
5 1984 34567.31 164 6.494 %
6 1982 32781.02 155 7.792 %
7 1965 31843.27 151 9.091 %
8 1956 31805.97 151 10.390 %
9 1952 31489.81 149 11.688 %
10 1972 31171.78 148 12.987 %
11 1975 30690.06 145 14.286 %
12 1976 29951.14 142 15.584 %
13 2017 29911.58 142 16.883 %
14 1996 29790.16 141 18.182 %
15 1950 28795.46 136 19.481 %
16 1957 28408.88 135 20.779 %
17 1999 27464.81 130 22.078 %
18 1983 27239.13 129 23.377 %
19 1964 27195.32 129 24.675 %
20 2006 26217.63 124 25.974 %
21 1951 25656.41 121 27.273 %
22 1958 25119.53 119 28.571 %
23 1998 25113.10 119 29.870 %
24 1953 25010.00 118 31.169 %
25 1969 24831.76 118 32.468 %
26 2008 24611.69 117 33.766 %
27 1949 24472.28 116 35.065 %
28 2019 24468.52 116 36.364 %
29 1986 24459.96 116 37.662 %
30 2018 24458.52 116 38.961 %
31 1970 24126.22 114 40.260 %
32 2009 24039.54 114 41.558 %
33 2012 23773.50 113 42.857 %
34 1978 23761.49 113 44.156 %
35 1954 23330.59 110 45.455 %
36 1993 23301.56 110 46.753 %
37 1995 22970.37 109 48.052 %
38 1967 22342.44 106 49.351 %
39 1959 21664.50 103 50.649 %
40 1980 21456.47 102 51.948 %
41 1962 21420.48 101 53.247 %
42 1955 21336.01 101 54.545 %
43 2014 21145.26 100 55.844 %
44 2020 20714.50 98 57.143 %
45 2022 20450.59 97 58.442 %
46 2023 20397.75 97 59.740 %
47 1985 20168.62 95 61.039 %
48 1963 19981.53 95 62.338 %
49 1960 19958.88 94 63.636 %
50 2002 19618.89 93 64.935 %
51 1989 19472.86 92 66.234 %
52 1981 19464.66 92 67.532 %
53 2010 19206.06 91 68.831 %
54 2024 18494.25 88 70.130 %
55 2000 18354.42 87 71.429 %
56 1979 18212.06 86 72.727 %
57 2003 18168.37 86 74.026 %
58 1961 17791.06 84 75.325 %
59 2016 17245.59 82 76.623 %
60 2004 16669.65 79 77.922 %
61 1990 16632.59 79 79.221 %
62 1968 16423.75 78 80.519 %
63 1991 16315.02 77 81.818 %
64 2013 15129.60 72 83.117 %
65 2005 14666.11 69 84.416 %
66 1966 14464.95 68 85.714 %
67 2021 13889.32 66 87.013 %
68 2007 13401.23 63 88.312 %
69 1988 13388.63 63 89.610 %
70 1973 12569.24 60 90.909 %
71 1994 12494.89 59 92.208 %
72 2001 11607.22 55 93.506 %
73 2015 11427.87 54 94.805 %
74 1987 11355.94 54 96.104 %
75 1992 9918.96 47 97.403 %
76 1977 9247.90 44 98.701 %

*Exceedance Probability: The probability that a specific seasonal volume will be exceeded.