1901-2000 Degrees Fahrenheit 1 67.4 72.0 -4.6 1 128 1912 2018 1912 1911 lowest 2 71.6 74.9 -3.3 1 128 1912 2020 1912 1911 lowest 3 72.9 76.5 -3.6 1 128 1912 2020 1912 1911 lowest 4 73.3 76.0 -2.7 1 128 1912 2020 1912 1911 lowest 5 71.3 73.8 -2.5 2 127 1965 2020 1912 1911 bottom-tenth 6 68.2 71.0 -2.8 1 128 1912 2020 1912 1911 lowest 7 65.3 67.9 -2.6 1 128 1912,1965 2018 1912 1911 lowest 1965 8 62.7 65.0 -2.3 2 127 1965 2018 1912 1911 bottom-tenth 9 60.4 62.3 -1.9 4 125 1913 2018 1912 1911 bottom-tenth 1917,1965,1975 10 57.9 60.2 -2.3 2 126 1913 2018 1912 1911 bottom-tenth 11 56.9 59.2 -2.3 1 127 1912,1913 2018 1912 1911 lowest 1913 12 57.1 59.4 -2.3 2 126 1913 2018 1912 1911 bottom-tenth 18 61.5 63.2 -1.7 2 126 1913 2018 1912 1911 bottom-tenth 1917 24 58.6 59.4 -0.8 16 111 1913 2018 1912 1911 bottom-third 36 59.1 59.3 -0.2 32 94 1914 2018 1909 1911 bottom-third 1909,1930,1948,1971 48 59.0 59.3 -0.3 27 98 1915 2018 1909 1911 bottom-third 1899,1944,1945,1947,1948,1952,1966,1968,1977 60 59.0 59.3 -0.3 29 95 1916,1917 2018 1909 1911 bottom-third 1909,1932,1967,1974