1901-2000 Degrees Fahrenheit 1 49.0 44.8 4.2 116 13 1895 2021 2004 1984 top-tenth 1947,1970,2016,2020 2 54.1 50.6 3.5 120 9 1917 2018 2004 1971 top-tenth 1919 3 58.5 54.7 3.8 122 7 1909,1917 2018 2004 1900 top-tenth 4 60.9 57.2 3.7 122 7 1909 2018 2004 1900 top-tenth 5 61.2 57.7 3.5 123 6 1907 2018 2004 1900 top-tenth 1900 6 58.9 56.6 2.3 115 14 1907 2018 2003 2004 top-third 1959,2022 7 56.6 54.3 2.3 115 14 1907 2018,2019 2003 2004 top-third 8 53.4 51.5 1.9 111 18 1907 2019 2003 2004 top-third 1959 9 50.4 48.5 1.9 113 16 1907 2018 2003 2004 top-third 1990 10 48.0 46.1 1.9 111 18 1904,1940 2017 2004 2004 top-third 2004 11 46.2 44.3 1.9 109 19 1904 2012 2004 2004 top-third 2004,2006 12 45.6 43.5 2.1 111 17 1904 2012,2016 2003 2004 top-third 2011 18 50.1 47.9 2.2 116 12 1904 2019 2004 2005 top-tenth 24 45.6 43.5 2.1 115 12 1905 2017 2004 1999 top-tenth 2007,2010 36 45.1 43.5 1.6 107 19 1918 2018 2003 2004 top-third 2016 48 45.5 43.5 2.0 115 10 1905,1907 2019 2004 2005 top-tenth 2008,2010,2011,2014 60 45.0 43.5 1.5 105 19 1967 2020 2004 2004 top-third 2004