1991-2020 Degrees Fahrenheit 1 47.1 41.5 5.6 126 1 1985 2016 2015 2016 highest 2 50.3 46.9 3.4 122 2 1985 1988 2015 1988 top-tenth 3 55.0 53.2 1.8 115 8 1985 1963 2015 2014 top-tenth 4 60.0 58.7 1.3 113 10 1985 2012 2015 2014 top-tenth 5 62.7 62.1 0.6 110 13 1916 2021 2013 2015 top-third 6 63.7 62.8 0.9 113 10 1916 2021 2013 2015 top-tenth 1990 7 63.4 62.4 1.0 115 8 1916 2021 2013 2015 top-tenth 2022 8 62.7 61.0 1.7 119 4 1916 2021 2013 2015 top-tenth 9 60.9 59.3 1.6 120 3 1955 2021 2014 2015 top-tenth 2014 10 59.3 57.3 2.0 120 3 1916,1955 2015 2014 2015 top-tenth 11 57.3 55.3 2.0 120 3 1916 2015 2014 2015 top-tenth 12 55.6 53.6 2.0 119 3 1916 2015 2014 2015 top-tenth 18 59.0 56.7 2.3 118 2 1916 2015 2014 2015 top-tenth 24 56.0 53.6 2.4 118 1 1917 2016 2015 2016 highest 36 55.4 53.6 1.8 116 1 1913,1917 2016 2015 2016 highest 48 55.1 53.6 1.5 114 1 1913 2016 2015 2016 highest 60 54.9 53.6 1.3 112 1 1913,1920 2016 2015 2016 highest