1991-2020 Degrees Fahrenheit 1 80.3 82.3 -2.0 62 67 1903 2022 1976 1971 normal 2 77.0 79.3 -2.3 52 77 1903 2022 1976 1974 normal 1899,1941,1951,1960 3 73.3 75.9 -2.6 46 83 1903 2022 1976 1974 normal 1915,1950,1968 4 70.1 72.6 -2.5 46 83 1903 2022 1976 1974 normal 1905,1935,1988 5 66.5 69.3 -2.8 40 89 1903 2017 1975 1976 bottom-third 1944,1982 6 62.5 66.4 -3.9 20 109 1903 2017 1973 1976 bottom-third 1899,1915 7 60.6 64.5 -3.9 15 113 1903 2017 1973 1976 bottom-third 8 59.4 64.0 -4.6 6 122 1912 2017 1973 1976 bottom-tenth 9 59.4 64.8 -5.4 1 127 1977 2017 1977 1976 lowest 10 61.1 66.3 -5.2 1 127 1977 2017 1977 1976 lowest 11 62.9 68.0 -5.1 1 127 1977 2017 1977 1976 lowest 12 64.2 69.3 -5.1 1 127 1977 2017 1977 1976 lowest 18 64.3 68.3 -4.0 3 125 1904,1913 2017 1913 1976 bottom-tenth 24 65.6 69.3 -3.7 2 125 1978 2017,2018 1920 1976 bottom-tenth 1906,1913,1920 36 65.7 69.3 -3.6 2 124 1905 2018 1915 1976 bottom-tenth 1914,1915,1979 48 66.3 69.2 -2.9 8 117 1915 2020 1920 1976 bottom-tenth 1907 60 66.1 69.1 -3.0 2 122 1979 2020 1907 1976 bottom-tenth 1906,1907