1991-2020 Degrees Fahrenheit 1 81.6 82.3 -0.7 91 38 1903 2022 1977 1971 top-third 2 78.7 79.3 -0.6 95 34 1903 2022 1977 1971 top-third 1980,2014 3 75.1 75.9 -0.8 86 43 1903 2022 1977 1971 top-third 1933,1953 4 70.9 72.6 -1.7 70 59 1903 2022 1977 1974 normal 1896,1910,1943 5 65.8 69.3 -3.5 26 103 1903 2017 1973 1977 bottom-third 6 61.9 66.4 -4.5 9 120 1903 2017 1973 1977 bottom-tenth 1931,1958,1973 7 60.5 64.5 -4.0 13 115 1903 2017 1973 1977 bottom-tenth 1906 8 60.5 64.0 -3.5 21 107 1912 2017 1977 1976 bottom-third 1983 9 61.5 64.8 -3.3 23 105 1977 2017 1977 1976 bottom-third 1906,1914,1937,1944 10 63.5 66.3 -2.8 30 98 1977 2017 1977 1976 bottom-third 1947,1966 11 65.3 68.0 -2.7 32 96 1977 2017 1977 1976 bottom-third 1904,1917,1966 12 66.9 69.3 -2.4 35 93 1977 2017 1977 1976 bottom-third 1900,1918,1983,1988 18 65.4 68.3 -2.9 23 105 1904,1913 2017 1977 1976 bottom-third 1900,1973 24 65.5 69.3 -3.8 1 126 1978 2017,2018 1978 1977 lowest 36 66.0 69.3 -3.3 7 119 1905 2018 1977 1976 bottom-tenth 1920,1960,1970 48 66.0 69.2 -3.2 3 122 1915 2020 1915 1977 bottom-tenth 1979 60 66.4 69.1 -2.7 9 115 1979 2020 1977 1976 bottom-tenth 1917,1981