1901-2000 Degrees Fahrenheit 1 52.11 51.90 0.21 61 68 1918 2019 1946 1947 normal 2 55.35 55.48 -0.13 46 83 1974 2019 1946 1947 normal 1895 3 56.96 57.16 -0.20 42 87 1924 2022 1946 1947 bottom-third 1984 4 56.71 56.78 -0.07 46 83 1903 2021 1946 1947 normal 5 54.82 54.91 -0.09 45 84 1907,1924 2018 1946 1947 normal 6 52.47 52.20 0.27 68 61 1907 2018 1947 1941 normal 1906,1989 7 48.89 49.02 -0.13 46 83 1917 2012 1947 1946 normal 1942 8 45.37 45.75 -0.38 34 95 1917 2012 1947 1946 bottom-third 9 42.20 42.86 -0.66 22 107 1917 2012 1929 1947 bottom-third 10 40.26 40.84 -0.58 26 102 1917 2016 1929 1947 bottom-third 11 39.21 39.92 -0.71 18 110 1917 2016 1929 1947 bottom-third 12 39.79 40.04 -0.25 44 84 1917 2016 1944 1947 normal 18 43.94 44.09 -0.15 43 85 1917 2016 1946 1947 normal 1960 24 39.89 40.04 -0.15 48 79 1918 2017 1945 1947 normal 36 39.98 40.02 -0.04 57 69 1918 2017,2018 1946 1947 normal 48 39.99 40.01 -0.02 54 71 1918 2018 1947 1944 normal 60 39.92 40.00 -0.08 50 74 1920 2019,2020 1931 1947 normal 1931