1901-2000 Degrees Fahrenheit 1 57.90 59.06 -1.16 15 114 1950 2022 1911 1909 bottom-third 2 58.90 59.80 -0.90 17 112 1950 2022 1911 1910 bottom-third 3 57.17 58.41 -1.24 7 122 1915 2021 1907 1911 bottom-tenth 4 54.85 55.67 -0.82 17 112 1907 2018 1910 1911 bottom-third 5 51.65 52.25 -0.60 18 111 1907 2012 1909 1911 bottom-third 1927,1951 6 47.27 48.54 -1.27 5 124 1917 2012 1912 1911 bottom-tenth 7 43.40 44.87 -1.47 4 125 1917 2012 1899 1911 bottom-tenth 8 39.74 41.73 -1.99 2 127 1917 2012 1912 1911 bottom-tenth 9 37.84 39.61 -1.77 4 124 1917 2012 1899 1911 bottom-tenth 10 36.66 38.72 -2.06 3 125 1917 2016 1899 1911 bottom-tenth 11 37.06 38.97 -1.91 3 125 1917 2016 1899 1911 bottom-tenth 12 38.46 40.04 -1.58 4 124 1917 2016 1904 1911 bottom-tenth 18 41.85 42.87 -1.02 5 123 1917 2016 1904 1911 bottom-tenth 1913 24 39.42 40.04 -0.62 11 116 1918 2017 1905 1911 bottom-tenth 36 39.41 40.02 -0.61 12 114 1918 2017 1906 1911 bottom-tenth 48 39.52 40.01 -0.49 14 111 1918 2018 1907 1911 bottom-third 60 39.65 40.00 -0.35 22 102 1920 2020 1908 1911 bottom-third