1901-2000 Degrees Fahrenheit 1 71.2 74.4 -3.2 8 121 2014 1936 1904 1903 bottom-tenth 1947 2 69.5 72.4 -2.9 7 122 1958 1934 1903 1902 bottom-tenth 1928,1945 3 66.4 68.6 -2.2 14 115 1924 1934 1904 1903 bottom-third 1967 4 60.7 63.9 -3.2 3 126 1907 1991 1904 1903 bottom-tenth 5 55.9 58.8 -2.9 6 123 1960 2012 1904 1903 bottom-tenth 6 49.7 53.6 -3.9 1 128 1904,1947 2012 1904 1903 lowest 1947 7 45.0 49.3 -4.3 2 127 1912 2012 1904 1903 bottom-tenth 8 41.9 46.7 -4.8 1 127 1904 2012 1904 1903 lowest 9 41.1 45.9 -4.8 1 127 1904 2012 1904 1903 lowest 10 42.2 46.7 -4.5 1 127 1904 2012 1904 1903 lowest 11 44.1 48.3 -4.2 1 127 1904 2012 1904 1903 lowest 12 46.3 50.3 -4.0 1 127 1904 2012 1904 1903 lowest 18 48.5 51.4 -2.9 2 126 1918 2012,2017 1904 1903 bottom-tenth 24 47.9 50.3 -2.4 2 125 1905 2017 1904 1903 bottom-tenth 1979 36 48.0 50.3 -2.3 1 125 1904,1905,1906 2018 1904 1903 lowest 1905,1906 48 48.7 50.3 -1.6 5 120 1905 2019 1904 1903 bottom-tenth 1918 60 48.9 50.3 -1.4 5 119 1906 2020 1904 1903 bottom-tenth