1901-2000 Degrees Fahrenheit 1 31.8 41.5 -9.7 1 128 1917 2015 1917 1916 lowest 2 38.5 45.4 -6.9 1 128 1917 2015 1917 1916 lowest 3 44.0 50.1 -6.1 1 128 1917 2015 1917 1916 lowest 4 49.7 55.2 -5.5 1 128 1917 2015 1917 1916 lowest 5 54.7 59.2 -4.5 1 128 1917 2015 1917 1916 lowest 6 58.3 62.2 -3.9 1 128 1917 2015 1917 1916 lowest 7 60.4 63.8 -3.4 1 128 1917 2015 1917 1916 lowest 8 60.6 64.1 -3.5 1 128 1917 2015 1917 1916 lowest 9 60.5 63.4 -2.9 1 128 1917 2015 1917 1916 lowest 10 59.3 62.0 -2.7 1 128 1917 2015 1917 1916 lowest 11 57.6 60.2 -2.6 1 128 1917 2019 1917 1916 lowest 12 56.4 58.5 -2.1 1 128 1917 2019 1917 1916 lowest 18 58.1 59.8 -1.7 3 125 1904 2016,2017 1904 1916 bottom-tenth 24 57.5 58.5 -1.0 9 119 1967 2020 1905 1916 bottom-tenth 1902,1966,1979 36 57.7 58.5 -0.8 13 114 1968,1969 2019,2020 1906 1916 bottom-tenth 1903,1960,1966,1978,1980 48 57.7 58.5 -0.8 12 114 1969 2019,2020 1907 1916 bottom-tenth 1906,1907,1979 60 58.1 58.5 -0.4 25 100 1969,1970 2020 1908 1916 bottom-third 1961