1901-2000 Degrees Fahrenheit 1 70.7 64.8 5.9 129 1 1997 2006 2005 2006 highest 2 65.9 60.6 5.3 126 4 1915 2012 2005 1967 top-tenth 3 60.7 56.9 3.8 125 5 1958 2017 2005 2000 top-tenth 4 58.7 54.0 4.7 126 4 1958 2017 2005 2000 top-tenth 5 56.4 52.6 3.8 125 4 1899 2017 2005 2000 top-tenth 6 56.8 53.0 3.8 126 3 1899 2017 2005 2000 top-tenth 7 58.2 54.8 3.4 126 3 1899 2017 2005 2000 top-tenth 8 60.9 57.5 3.4 127 2 1977 2017 2005 2006 top-tenth 9 63.2 60.2 3.0 125 4 1977 2017 2005 2000 top-tenth 1999,2016 10 65.1 62.4 2.7 124 5 1977 2017 2005 2000 top-tenth 2000 11 66.5 63.9 2.6 124 5 1977 2017 2005 1999 top-tenth 2016,2023 12 66.9 64.6 2.3 123 6 1977 2012 2005 2000 top-tenth 2000,2016 18 62.8 60.7 2.1 119 9 1913 2017 2005 2000 top-tenth 24 66.1 64.6 1.5 116 12 1977,1978 2000,2017 2005 2000 top-tenth 2022 36 66.0 64.6 1.4 114 13 1977 2013 2005 2002 top-tenth 2002,2008 48 65.7 64.6 1.1 105 21 1915,1980 2019 2005 2003 top-third 2003,2016 60 65.8 64.6 1.2 108 17 1962,1977 2020 2005 2003 top-third 2008,2009