Year,Value,Alaska (State),Clouds,Jun-Aug,(%)
1940,73.986
1941,73.489
1942,82.246
1943,81.532
1944,82.189
1945,82.458
1946,75.823
1947,75.872
1948,77.309
1949,77.857
1950,73.537
1951,75.544
1952,76.389
1953,72.899
1954,75.994
1955,77.956
1956,76.709
1957,68.745
1958,76.098
1959,74.025
1960,73.662
1961,79.016
1962,73.733
1963,79.62
1964,71.132
1965,77.007
1966,70.417
1967,75.264
1968,63.089
1969,69.497
1970,74.942
1971,71.948
1972,73.048
1973,78.549
1974,70.967
1975,74.039
1976,70.523
1977,65.727
1978,74.979
1979,74.607
1980,79.629
1981,76.223
1982,74.875
1983,73.489
1984,75.78
1985,75.368
1986,75.803
1987,75.231
1988,77.361
1989,78.246
1990,71.752
1991,70.769
1992,75.478
1993,72.551
1994,77.229
1995,77.181
1996,75.263
1997,74.262
1998,79.586
1999,75.296
2000,76.026
2001,77.445
2002,71.441
2003,74.637
2004,66.362
2005,67.119
2006,79.874
2007,70.113
2008,76.877
2009,72.988
2010,77.614
2011,80.374
2012,77.407
2013,73.911
2014,77.68
2015,72.56
2016,74.367
2017,76.097
2018,77.658
2019,69.821
2020,74.88
2021,80.344
2022,74.977
2023,79.359
2024,76.617
2025,74.348