Year,Value,Alaska (State),Clouds,Apr,(%)
1940,58.662
1941,76.445
1942,72.416
1943,66.86
1944,62.315
1945,67.164
1946,68.273
1947,57.0
1948,72.136
1949,66.631
1950,67.401
1951,76.175
1952,71.226
1953,68.898
1954,54.839
1955,68.167
1956,68.798
1957,62.656
1958,68.032
1959,68.933
1960,66.864
1961,72.405
1962,70.243
1963,72.273
1964,76.399
1965,73.507
1966,63.742
1967,76.401
1968,76.074
1969,68.075
1970,77.579
1971,71.654
1972,68.448
1973,75.512
1974,66.991
1975,72.844
1976,69.84
1977,71.645
1978,66.457
1979,68.795
1980,73.268
1981,57.647
1982,75.995
1983,71.759
1984,73.401
1985,70.447
1986,61.818
1987,70.06
1988,72.679
1989,74.452
1990,66.1
1991,66.671
1992,69.645
1993,63.441
1994,72.849
1995,71.005
1996,61.733
1997,59.531
1998,74.958
1999,74.917
2000,59.009
2001,73.907
2002,69.523
2003,61.944
2004,69.776
2005,61.813
2006,74.866
2007,71.435
2008,79.972
2009,71.96
2010,72.17
2011,63.577
2012,64.228
2013,56.078
2014,60.916
2015,72.259
2016,65.848
2017,56.081
2018,57.189
2019,62.06
2020,71.534
2021,63.308
2022,54.649
2023,65.807
2024,72.31
2025,79.518