Header for ESP Natural Volumes Period Rankings Page

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NOOKSACK - AT FERNDALE   (NKSW1)
Period Rankings - 1949 to 2025
 APR-SEP Normal -- 1206 (KAF)
Rank Year Period Volume
(KAF) 		Percent of Normal Exceedance
Probability*
1 1974 1742.61 144 1.282 %
2 1972 1735.05 144 2.564 %
3 1997 1698.87 141 3.846 %
4 2012 1671.12 139 5.128 %
5 1999 1646.94 137 6.410 %
6 1950 1624.42 135 7.692 %
7 2008 1591.35 132 8.974 %
8 1971 1578.93 131 10.256 %
9 1956 1576.57 131 11.538 %
10 2013 1535.34 127 12.821 %
11 1976 1527.45 127 14.103 %
12 1964 1499.53 124 15.385 %
13 2011 1469.74 122 16.667 %
14 1954 1467.67 122 17.949 %
15 1969 1465.26 121 19.231 %
16 2000 1462.21 121 20.513 %
17 2002 1455.65 121 21.795 %
18 1959 1438.41 119 23.077 %
19 2014 1373.74 114 24.359 %
20 1988 1350.55 112 25.641 %
21 1955 1315.64 109 26.923 %
22 1985 1314.04 109 28.205 %
23 1982 1306.38 108 29.487 %
24 1968 1305.03 108 30.769 %
25 1991 1297.70 108 32.051 %
26 1981 1292.75 107 33.333 %
27 1949 1286.06 107 34.615 %
28 1984 1282.53 106 35.897 %
29 1990 1278.84 106 37.179 %
30 1975 1266.48 105 38.462 %
31 2010 1255.62 104 39.744 %
32 1967 1248.67 104 41.026 %
33 2004 1242.83 103 42.308 %
34 1960 1241.71 103 43.590 %
35 1961 1236.87 103 44.872 %
36 1989 1235.65 102 46.154 %
37 2020 1232.47 102 47.436 %
38 2007 1231.29 102 48.718 %
39 2017 1212.30 100 50.000 %
40 1983 1201.15 100 51.282 %
41 2018 1176.46 98 52.564 %
42 1965 1176.39 98 53.846 %
43 1966 1172.72 97 55.128 %
44 2006 1169.42 97 56.410 %
45 1993 1165.28 97 57.692 %
46 1952 1150.86 95 58.974 %
47 1957 1148.41 95 60.256 %
48 1951 1140.02 95 61.538 %
49 2022 1136.18 94 62.821 %
50 1962 1128.36 94 64.103 %
51 1986 1115.96 93 65.385 %
52 1980 1103.97 92 66.667 %
53 2009 1103.62 91 67.949 %
54 1978 1072.64 89 69.231 %
55 1996 1064.88 88 70.513 %
56 2001 1031.44 86 71.795 %
57 1953 1023.65 85 73.077 %
58 2021 1019.40 85 74.359 %
59 1987 1018.59 84 75.641 %
60 1970 1012.61 84 76.923 %
61 1979 1006.61 83 78.205 %
62 1977 1005.83 83 79.487 %
63 2005 998.24 83 80.769 %
64 1973 978.16 81 82.051 %
65 2025 977.74 81 83.333 %
66 2003 971.12 81 84.615 %
67 2024 947.19 79 85.897 %
68 1998 945.88 78 87.179 %
69 2023 939.97 78 88.462 %
70 1994 927.48 77 89.744 %
71 1992 916.82 76 91.026 %
72 1958 900.04 75 92.308 %
73 1963 896.36 74 93.590 %
74 1995 883.05 73 94.872 %
75 2019 862.12 71 96.154 %
76 2016 856.80 71 97.436 %
77 2015 740.40 61 98.718 %

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