1901-2000 Degrees Fahrenheit 1 56.8 53.9 2.9 98 32 1960 2012 1904 1903 top-third 1995 2 47.7 50.4 -2.7 23 107 1960 2012 1902 1904 bottom-third 1931 3 45.1 48.4 -3.3 13 117 1958 2023 1902 1904 bottom-tenth 1915 4 44.8 47.7 -2.9 13 116 1978 2012 1904 1903 bottom-tenth 2010 5 45.9 48.8 -2.9 10 119 1902,1940,1977 1932 1904 1903 bottom-tenth 1912,1960,1964 6 48.6 51.2 -2.6 10 119 1977 1932 1904 1903 bottom-tenth 7 52.2 54.4 -2.2 12 117 1977 1932 1904 1903 bottom-tenth 8 55.4 57.5 -2.1 10 119 1977 2017 1904 1903 bottom-tenth 1978 9 58.0 60.0 -2.0 9 120 1977 2017 1904 1904 bottom-tenth 1904 10 59.9 61.7 -1.8 8 121 1977 2017 1904 1903 bottom-tenth 1969 11 60.8 62.5 -1.7 8 121 1977 2017 1904 1903 bottom-tenth 1902,1970 12 60.6 62.4 -1.8 5 124 1977 2017 1904 1904 bottom-tenth 1904 18 56.5 58.7 -2.2 1 127 1905 2017 1905 1904 lowest 24 60.6 62.4 -1.8 3 125 1969 2017 1905 1904 bottom-tenth 36 61.5 62.4 -0.9 11 116 1970 2018 1904 1903 bottom-tenth 1966 48 61.2 62.4 -1.2 4 122 1970 2020 1905 1904 bottom-tenth 1980 60 61.6 62.4 -0.8 11 114 1970 2020 1905 1904 bottom-tenth 1965,1980