1901-2000 Degrees Fahrenheit 1 29.64 32.68 -3.04 15 114 1983 2021 1916 1915 bottom-third 2009 2 36.59 37.19 -0.60 39 90 2000 2021 1916 1915 bottom-third 3 41.20 42.83 -1.63 15 114 1898 2021 1916 1915 bottom-third 4 46.92 48.34 -1.42 12 117 1976 2021 1916 1915 bottom-tenth 5 51.74 53.09 -1.35 8 121 1976 2021 1916 1915 bottom-tenth 6 55.55 56.51 -0.96 14 115 1976 2021 1916 1915 bottom-third 7 57.18 58.22 -1.04 11 118 1976 2021 1916 1915 bottom-tenth 1924 8 56.93 58.47 -1.54 2 127 1976 2021 1917 1916 bottom-tenth 9 56.00 57.64 -1.64 1 128 1917 2021 1917 1916 lowest 10 54.24 56.03 -1.79 1 128 1917 2012 1917 1916 lowest 11 52.04 54.01 -1.97 1 128 1917 2012 1917 1916 lowest 12 50.06 52.02 -1.96 1 128 1917 2012 1917 1916 lowest 18 51.76 53.52 -1.76 1 127 1917 2012,2016 1917 1916 lowest 24 50.46 52.02 -1.56 1 127 1917 2017 1917 1916 lowest 36 50.79 52.01 -1.22 1 126 1917 2017 1917 1916 lowest 48 51.05 52.00 -0.95 1 125 1917 2018 1917 1916 lowest 60 51.15 51.99 -0.84 2 123 1920 2019,2020 1917 1916 bottom-tenth 1919