Year,Value,Hawaii (State),Clouds,Jan-Apr,(%) 1940,45.428 1941,50.507 1942,52.427 1943,57.295 1944,47.495 1945,52.31 1946,56.441 1947,49.353 1948,49.063 1949,53.481 1950,63.736 1951,56.147 1952,56.867 1953,47.406 1954,56.24 1955,60.781 1956,68.215 1957,53.832 1958,49.236 1959,54.947 1960,49.577 1961,51.513 1962,54.963 1963,53.509 1964,55.665 1965,51.686 1966,53.182 1967,51.944 1968,54.324 1969,53.796 1970,42.829 1971,56.99 1972,55.32 1973,50.817 1974,53.469 1975,57.398 1976,59.489 1977,45.912 1978,41.61 1979,56.036 1980,51.816 1981,42.187 1982,62.086 1983,46.689 1984,39.606 1985,58.74 1986,46.838 1987,47.418 1988,48.286 1989,62.178 1990,60.982 1991,47.305 1992,45.475 1993,41.303 1994,57.767 1995,43.017 1996,49.779 1997,46.338 1998,40.728 1999,51.016 2000,45.723 2001,51.676 2002,54.521 2003,46.988 2004,54.255 2005,50.984 2006,61.937 2007,47.462 2008,54.62 2009,63.918 2010,47.027 2011,58.699 2012,53.227 2013,50.429 2014,53.658 2015,48.091 2016,43.549 2017,45.687 2018,63.052 2019,45.966 2020,53.721 2021,54.437 2022,51.36 2023,57.816 2024,52.338 2025,49.141