1901-2000 Degrees Fahrenheit 1 41.14 41.41 -0.27 44 85 1917 1947 1970 1971 normal 1945,1982 2 46.69 46.66 0.03 61 68 1917 2015 1970 1971 normal 3 50.77 50.79 -0.02 57 72 1917 2016 1970 1971 normal 4 52.93 53.23 -0.30 42 87 1976 2021 1968 1971 bottom-third 5 53.41 53.71 -0.30 36 93 1917 2021 1968 1971 bottom-third 6 52.44 52.66 -0.22 43 86 1917 2018 1968 1971 bottom-third 7 50.40 50.65 -0.25 36 93 1917 2015 1971 1970 bottom-third 8 48.03 48.07 -0.04 50 79 1917 2016 1971 1963 normal 1927,1984 9 45.11 45.27 -0.16 49 80 1917 2016 1971 1963 normal 10 42.49 42.71 -0.22 44 85 1917 2016 1971 1963 normal 11 40.88 40.89 -0.01 54 74 1917 2016 1971 1963 normal 12 40.06 40.04 0.02 59 69 1917 2016 1971 1963 normal 1922,1959 18 44.24 44.25 -0.01 56 72 1917 2016 1971 1963 normal 24 39.84 40.04 -0.20 45 82 1917,1918 2017 1971 1963 normal 36 39.78 40.02 -0.24 37 89 1918 2017 1971 1963 bottom-third 48 39.73 40.01 -0.28 32 93 1918 2018 1971 1963 bottom-third 1953,1978 60 39.70 40.00 -0.30 28 96 1920 2020 1971 1963 bottom-third 1904