1901-2000 Degrees Fahrenheit 1 48.5 48.0 0.5 70 59 1925 1947 2009 2007 normal 1903,1982 2 54.7 53.5 1.2 92 37 1917 1961,2017 2009 2007 top-third 1949,1953,1983,2002 3 59.2 57.7 1.5 102 27 1976 2021 2009 2007 top-third 1995 4 62.3 60.3 2.0 112 17 1976 1900,1947,2016,2021 2009 2007 top-third 1898,1921,2022 5 62.8 60.9 1.9 110 19 1992 2005 2009 2007 top-third 1973 6 62.1 59.9 2.2 117 12 1917 2018,2021 2009 2007 top-tenth 7 60.3 57.4 2.9 128 1 1907 2010,2021 2009 2010 highest 2021 8 57.5 54.1 3.4 127 2 1926 2012 2009 2010 top-tenth 9 53.8 50.4 3.4 127 2 1926 2012 2009 2010 top-tenth 10 50.6 47.3 3.3 126 3 1940 2012 2009 1998 top-tenth 1921 11 48.3 45.2 3.1 121 7 1904 2012 2009 2002 top-tenth 1949,1991,2017 12 47.8 44.5 3.3 123 5 1904 2012 2009 2002 top-tenth 1949 18 51.5 49.6 1.9 116 12 1904,1918 2012 2009 2006 top-tenth 1921,2020 24 46.2 44.5 1.7 109 18 1905 2017 2009 2008 top-third 36 46.0 44.5 1.5 106 20 1918 2012 2009 2008 top-third 1991 48 46.3 44.5 1.8 113 12 1907 2013 2009 2008 top-tenth 2000,2007 60 46.3 44.5 1.8 114 10 1907,1908,1927 2020 2009 2002 top-tenth