1991-2020 Degrees Fahrenheit 1 53.2 47.8 5.4 96 12 1917 1963 1930 1920 top-third 2 59.9 54.4 5.5 106 1 1917 1931 1930 1931 highest 3 62.8 58.9 3.9 104 2 1917 1947 1930 1931 top-tenth 4 65.7 61.8 3.9 104 2 1992 1947 1930 1931 top-tenth 5 67.1 62.9 4.2 105 1 1992 1931 1930 1931 highest 6 64.9 62.0 2.9 105 1 1917 1931 1930 1931 highest 7 62.5 59.6 2.9 104 2 1917 1955 1930 1931 top-tenth 8 58.7 56.0 2.7 101 5 1917 2012 1930 1931 top-tenth 9 55.6 51.9 3.7 104 2 1917 2012 1930 1931 top-tenth 10 52.5 48.1 4.4 103 2 1917 2012 1930 1931 top-tenth 11 49.6 45.6 4.0 103 2 1917 2012 1930 1931 top-tenth 12 48.5 44.6 3.9 103 2 1917 2012 1930 1931 top-tenth 18 53.1 50.4 2.7 101 2 1917 2012 1930 1931 top-tenth 2016 24 46.5 44.6 1.9 97 5 1918 2017 1930 1931 top-tenth 36 45.4 44.6 0.8 90 10 1952 2012 1920 1931 top-tenth 2022 48 -99 44.6 -99 -99 -99 1918 1934,2013 normal 60 -99 44.6 -99 -99 -99 1969,1997 1934 normal