1991-2020 Degrees Fahrenheit 1 66.7 65.8 0.9 104 21 1895 1990 2019 2020 top-third 2 71.3 70.4 0.9 107 18 1912 2022 2019 2020 top-third 3 74.9 72.2 2.7 122 3 1912 2022 2020 2014 top-tenth 2014 4 75.1 70.8 4.3 124 1 1895 2021 2020 2021 highest 5 72.4 68.6 3.8 124 1 1895,1916 2021 2020 2021 highest 6 69.2 65.7 3.5 124 1 1902,1916 2021 2020 2021 highest 7 65.8 62.8 3.0 124 1 1955 2021 2020 2021 highest 8 62.0 59.8 2.2 123 2 1899 2015 2020 2015 top-tenth 9 59.4 57.2 2.2 123 2 1916 2015 2020 2015 top-tenth 10 57.2 55.0 2.2 120 2 1916 2015 2020 2015 top-tenth 11 55.9 53.7 2.2 120 2 1916 2015 2020 2015 top-tenth 12 55.7 53.6 2.1 119 2 1916,1920 2015 2020 2015 top-tenth 18 59.2 57.6 1.6 116 4 1917 2015 2020 2016 top-tenth 24 54.8 53.6 1.2 116 3 1917 2016 2020 2016 top-tenth 2015 36 54.2 53.6 0.6 110 7 1917 2016,2017 2020 2018 top-tenth 2006 48 54.2 53.6 0.6 108 7 1913 2016 2020 2018 top-tenth 60 54.0 53.6 0.4 105 8 1917 2016 2020 2020 top-tenth 2006,2020