1901-2000 Degrees Fahrenheit 1 69.2 68.7 0.5 74 56 1917 2018 1968 1965 normal 1912 2 65.2 64.6 0.6 76 54 1907 1896 1968 1967 normal 1905,1946,1954,1972,2023 3 58.2 60.1 -1.9 15 115 1960 2012 1960 1968 bottom-third 1912,1984 4 54.2 55.9 -1.7 22 108 1960 2012 1968 1967 bottom-third 1913,1917,1931,1989 5 51.4 52.6 -1.2 27 103 1978 2012 1968 1967 bottom-third 1906,1929,1936 6 49.4 50.7 -1.3 22 107 1978 2012 1968 1967 bottom-third 1910,2010 7 49.2 50.6 -1.4 22 107 1978 2012 1968 1967 bottom-third 2001 8 50.6 52.0 -1.4 17 112 1978 2017 1968 1968 bottom-third 1902,1968,1970,1993 9 52.7 54.3 -1.6 13 116 1978 2017 1968 1967 bottom-tenth 10 55.3 56.8 -1.5 14 115 1977 2017 1968 1967 bottom-third 11 57.4 59.0 -1.6 12 117 1968,1977 2017 1968 1967 bottom-tenth 1905,1980 12 59.0 60.4 -1.4 13 116 1977 2012 1968 1967 bottom-tenth 1912,1984 18 55.7 57.2 -1.5 6 122 1979,1980 2017 1918 1968 bottom-tenth 1905,1906,1913 24 58.7 60.4 -1.7 3 125 1978 2017 1905 1968 bottom-tenth 36 59.3 60.4 -1.1 8 119 1979 2018 1962 1968 bottom-tenth 1962,1971,1977 48 59.5 60.4 -0.9 10 116 1980 2019 1963 1968 bottom-tenth 1962,1963 60 59.7 60.4 -0.7 12 113 1980 2020 1963 1968 bottom-tenth 1908,1963,1978,1983,1984