1991-2020 Degrees Fahrenheit 1 93.6 91.2 2.4 79 7 1965 2021 2014 2013 top-tenth 2 85.9 86.5 -0.6 53 32 1965 2006,2021,2022 2011 2014 normal 1988 3 81.9 81.9 0.0 61 23 1965 2021 2011 2014 top-third 1981 4 79.4 78.0 1.4 75 9 1965 2017 2012 2014 top-third 2000,2004,2012 5 76.5 74.3 2.2 82 2 1965 2017 2014 2014 top-tenth 2014 6 73.5 71.3 2.2 81 2 1944 2014 2013 2014 top-tenth 2018 7 71.2 69.1 2.1 81 2 1975 2018 2014 2015 top-tenth 8 70.5 68.5 2.0 78 4 1975 2018 2014 2014 top-tenth 2014 9 71.5 69.5 2.0 78 3 1944 2018 2014 2000 top-tenth 2000 10 73.2 71.4 1.8 79 2 1942 2018 2014 2015 top-tenth 2017,2021,2022 11 74.8 73.5 1.3 74 7 1942 2018 2014 2000 top-tenth 12 76.6 75.3 1.3 76 5 1942 2021 2014 1996 top-tenth 18 75.6 73.9 1.7 76 3 1965 2018 2014 2015 top-tenth 24 76.4 75.2 1.2 73 4 1965 2018 2014 2015 top-tenth 2017 36 76.3 75.2 1.1 71 4 1944,1975 2018,2022 2014 2015 top-tenth 2016 48 76.2 75.2 1.0 69 4 1944 2018 2014 2015 top-tenth 2016,2019,2020,2022 60 76.0 75.2 0.8 63 8 1975 2018 2014 2015 top-third