Year,Value,Alaska (State),Precip,May-Jun,(in.)
1940,4.77
1941,4.073
1942,4.576
1943,4.589
1944,5.279
1945,5.139
1946,4.935
1947,5.094
1948,4.184
1949,5.608
1950,5.443
1951,4.751
1952,4.276
1953,4.84
1954,4.13
1955,6.333
1956,5.806
1957,3.578
1958,5.976
1959,4.125
1960,4.575
1961,5.722
1962,5.314
1963,6.119
1964,4.9
1965,5.973
1966,4.897
1967,4.1
1968,4.138
1969,3.876
1970,4.691
1971,5.158
1972,5.033
1973,5.328
1974,3.89
1975,5.126
1976,4.499
1977,5.177
1978,5.66
1979,5.199
1980,6.263
1981,4.929
1982,5.348
1983,4.325
1984,4.549
1985,5.91
1986,4.212
1987,6.131
1988,5.483
1989,5.748
1990,4.708
1991,4.845
1992,5.06
1993,4.51
1994,5.753
1995,5.804
1996,4.616
1997,4.185
1998,6.595
1999,4.854
2000,3.95
2001,3.609
2002,4.556
2003,4.948
2004,4.727
2005,4.914
2006,5.335
2007,4.33
2008,5.214
2009,4.209
2010,4.765
2011,4.531
2012,5.279
2013,3.792
2014,5.816
2015,4.539
2016,5.714
2017,5.115
2018,6.57
2019,5.043
2020,5.383
2021,5.473
2022,3.176
2023,6.723
2024,4.837
2025,5.998