1901-2000 Degrees Fahrenheit 1 83.1 76.3 6.8 128 2 2014 1936 2011 1936 top-tenth 2 78.1 74.4 3.7 122 8 1927 1934 2011 1954 top-tenth 1933 3 75.3 70.7 4.6 128 2 1924 1934 2011 1934 top-tenth 4 70.4 66.2 4.2 129 1 1907 2012 2011 2012 highest 5 67.7 61.3 6.4 129 1 1960 2012 2011 2012 highest 6 62.7 56.3 6.4 129 1 1947 2012 2011 2012 highest 7 58.6 52.2 6.4 129 1 1978 2012 2011 2012 highest 8 56.0 49.7 6.3 128 1 1978 2012 2011 2012 highest 9 55.1 48.8 6.3 128 1 1904 2012 2011 2012 highest 10 55.2 49.5 5.7 128 1 1904 2012 2011 2012 highest 11 56.1 51.2 4.9 128 1 1904 2012 2011 2012 highest 12 57.7 53.1 4.6 128 1 1904 2012 2011 2012 highest 18 58.0 54.1 3.9 128 1 1918 2012 2011 2012 highest 24 56.0 53.1 2.9 126 2 1905,1978,1979 2017 2011 2012 top-tenth 36 55.3 53.0 2.3 125 2 1979 2018 2011 2012 top-tenth 48 54.7 53.0 1.7 122 4 1980 2019 2011 1935 top-tenth 1935,2013,2018 60 54.6 53.0 1.6 122 3 1981 2020 2011 2008 top-tenth 1935,2008,2021