1901-2000 Degrees Fahrenheit 1 38.5 40.7 -2.2 36 94 1975 1915 1917 1916 bottom-third 2 36.7 35.1 1.6 89 41 1899 1910 1917 1916 top-third 1895,1916,1972 3 30.4 30.5 -0.1 64 66 1899 2016 1917 1916 normal 2022 4 26.1 27.0 -0.9 49 81 1899 1992 1917 1915 normal 5 24.1 25.8 -1.7 31 98 1917 1992 1917 1915 bottom-third 1933,1962,2018 6 26.5 26.4 0.1 57 72 1979 1992 1917 1915 normal 7 28.4 28.8 -0.4 52 77 1899,1917 2000,2016 1917 1915 normal 1989 8 31.8 31.9 -0.1 57 72 1917 2016 1917 1915 normal 1948 9 35.3 35.5 -0.2 53 76 1917 2016 1917 1915 normal 1901,1955,1989 10 38.6 38.5 0.1 56 73 1917 2016 1917 1915 normal 1925,1955,1989,2018 11 40.2 40.3 -0.1 56 73 1917 2016 1917 1915 normal 1948 12 40.8 41.1 -0.3 43 86 1917 2016 1917 1915 bottom-third 1930,1933,1955 18 33.9 36.2 -2.3 8 120 1917 2016 1917 1916 bottom-tenth 24 38.7 41.1 -2.4 3 125 1917 2016 1917 1916 bottom-tenth 1913,1979 36 38.7 41.1 -2.4 1 126 1918 2017 1918 1917 lowest 48 39.5 41.1 -1.6 3 123 1952 2007,2016,2017 1899 1917 bottom-tenth 1919 60 39.9 41.1 -1.2 7 118 1952 2016 1917 1916 bottom-tenth 1913,1916