Year,Depart From 1940-2025 Detrended,Alaska (State),Clouds,Mar-Apr,(%) 1940,-11.691 1941,3.31 1942,2.509 1943,-0.26 1944,2.184 1945,2.45 1946,0.713 1947,-6.088 1948,-1.175 1949,-0.947 1950,0.736 1951,-2.084 1952,3.32 1953,-1.822 1954,-7.219 1955,0.673 1956,-3.296 1957,-2.068 1958,2.075 1959,-3.113 1960,-9.856 1961,1.478 1962,-0.032 1963,3.014 1964,-0.88 1965,10.457 1966,-2.13 1967,1.95 1968,3.145 1969,3.092 1970,9.622 1971,-2.284 1972,-3.742 1973,7.449 1974,-2.6 1975,3.098 1976,5.956 1977,6.052 1978,-3.994 1979,2.453 1980,5.731 1981,-3.161 1982,5.661 1983,-4.706 1984,4.963 1985,6.442 1986,-10.954 1987,-4.13 1988,6.156 1989,-3.139 1990,0.483 1991,2.619 1992,4.773 1993,0.881 1994,9.871 1995,-2.24 1996,-8.505 1997,-12.494 1998,4.262 1999,4.55 2000,-2.314 2001,5.623 2002,-8.232 2003,-7.672 2004,0.126 2005,1.019 2006,0.456 2007,-3.42 2008,11.742 2009,7.294 2010,2.925 2011,-12.644 2012,0.694 2013,-5.634 2014,-12.024 2015,3.864 2016,0.84 2017,-15.502 2018,-2.499 2019,3.201 2020,4.662 2021,1.701 2022,-7.756 2023,2.425 2024,6.707 2025,6.899