Year,Value,User Defined Line,Temp,May,(°F) 1940,55.009 1941,53.922 1942,49.913 1943,51.236 1944,53.841 1945,51.229 1946,50.736 1947,53.578 1948,56.206 1949,57.104 1950,52.743 1951,55.66 1952,55.823 1953,51.761 1954,55.923 1955,56.247 1956,58.763 1957,53.46 1958,60.504 1959,54.558 1960,55.18 1961,55.039 1962,58.358 1963,58.754 1964,57.073 1965,55.658 1966,59.6 1967,53.253 1968,52.905 1969,59.482 1970,57.533 1971,53.832 1972,56.251 1973,55.342 1974,57.696 1975,53.752 1976,55.618 1977,56.538 1978,53.113 1979,54.953 1980,54.299 1981,53.531 1982,54.638 1983,51.768 1984,55.432 1985,57.921 1986,55.773 1987,59.047 1988,57.676 1989,56.788 1990,53.606 1991,56.053 1992,59.277 1993,56.78 1994,59.46 1995,50.585 1996,55.518 1997,55.842 1998,56.826 1999,53.848 2000,59.196 2001,58.391 2002,56.013 2003,56.382 2004,58.267 2005,56.83 2006,59.633 2007,58.986 2008,54.685 2009,57.846 2010,52.401 2011,52.349 2012,60.137 2013,57.643 2014,57.642 2015,55.257 2016,55.487 2017,56.503 2018,61.721 2019,53.38 2020,57.714 2021,56.84 2022,56.074 2023,59.688 2024,55.652 2025,58.172