1901-2000 Degrees Fahrenheit 1 29.3 34.3 -5.0 8 121 1909 2021 1912 1910 bottom-tenth 2 37.3 38.2 -0.9 33 96 1911 2021 1912 1910 bottom-third 1938,1951,1982,1987,1991 3 42.2 43.5 -1.3 21 108 1911 2017,2021 1912 1910 bottom-third 1916 4 46.8 48.8 -2.0 9 120 1912 2021 1912 1910 bottom-tenth 5 51.6 53.2 -1.6 10 119 1912 2021 1912 1911 bottom-tenth 1961,1972 6 55.1 56.4 -1.3 12 117 1912 2021 1912 1910 bottom-tenth 1961,1968,1972 7 56.7 58.2 -1.5 5 124 1912 2021 1912 1911 bottom-tenth 8 57.3 58.5 -1.2 9 120 1912 2021 1912 1911 bottom-tenth 1905 9 56.5 57.7 -1.2 8 121 1912 2020,2021 1912 1911 bottom-tenth 1968 10 54.9 56.3 -1.4 5 124 1912 2020 1912 1911 bottom-tenth 11 52.9 54.6 -1.7 3 126 1912 2017 1912 1911 bottom-tenth 12 51.0 52.9 -1.9 2 127 1912 2017 1912 1911 bottom-tenth 18 52.0 54.0 -2.0 1 127 1913 2017 1913 1912 lowest 24 50.9 52.8 -1.9 1 127 1913 2017 1913 1912 lowest 36 51.6 52.8 -1.2 2 125 1914 2018 1913 1912 bottom-tenth 48 52.4 52.8 -0.4 14 112 1915 2018,2020 1908 1912 bottom-third 1898,1905,1919,1921,1971,1974,1977 60 52.4 52.8 -0.4 13 112 1915,1916 2020,2021 1909 1912 bottom-third 1899,1907,1908,1918,1921,1968,1973,1974,1979