1991-2020 Degrees Fahrenheit 1 42.1 46.2 -4.1 20 109 1969 1963 1916 1915 bottom-third 2 49.7 52.8 -3.1 38 91 1912 2015 1916 1915 bottom-third 3 53.2 57.8 -4.6 8 121 1912 2015,2022 1916 1915 bottom-tenth 1915 4 56.4 60.8 -4.4 12 117 1912 2022 1915 1916 bottom-tenth 1902 5 56.5 61.2 -4.7 12 117 1912 2022 1915 1916 bottom-tenth 1905,1925 6 54.1 59.7 -5.6 3 126 1915 2022 1915 1916 bottom-tenth 7 51.4 57.2 -5.8 1 128 1917 2022 1917 1916 lowest 8 48.0 54.7 -6.7 2 127 1912 2012 1912 1916 bottom-tenth 9 45.5 51.9 -6.4 3 126 1912 2012 1912 1916 bottom-tenth 10 43.0 49.6 -6.6 1 128 1917 2012 1917 1916 lowest 11 40.9 47.6 -6.7 1 127 1917 2012 1917 1916 lowest 12 40.0 46.6 -6.6 1 126 1899,1917 2000 1899 1916 lowest 1899 18 45.1 50.9 -5.8 1 126 1899,1917 2022 1899 1916 lowest 1899 24 41.6 46.6 -5.0 3 122 1913 2022 1913 1916 bottom-tenth 36 41.7 46.6 -4.9 1 122 1917 2017 1917 1916 lowest 48 42.3 46.5 -4.2 2 119 1915 2018 1915 1916 bottom-tenth 1899,1918 60 42.2 46.5 -4.3 1 118 1916,1917 2018 1916 1916 lowest 1916