1991-2020 Degrees Fahrenheit 1 57.2 47.8 9.4 106 2 1917 1963 1946 1947 top-tenth 2 59.5 54.4 5.1 105 2 1917 1931 1946 1931 top-tenth 1963 3 65.2 58.9 6.3 105 1 1917 1947 1946 1947 highest 4 66.5 61.8 4.7 105 1 1992 1947 1946 1947 highest 5 66.0 62.9 3.1 104 2 1992 1931 1946 1931 top-tenth 2021 6 63.6 62.0 1.6 92 14 1917 1931 1946 1941 top-third 1938 7 60.4 59.6 0.8 81 25 1917 1955 1946 1941 top-third 1991 8 56.4 56.0 0.4 73 33 1917 2012 1945 1946 top-third 9 51.6 51.9 -0.3 60 46 1917 2012 1945 1946 normal 1918,1942,1944,1995,2022 10 48.3 48.1 0.2 69 36 1917 2012 1945 1946 normal 1953,1954,2015 11 45.8 45.6 0.2 66 39 1917 2012 1946 1944 normal 1973 12 44.7 44.6 0.1 71 34 1917 2012 1946 1944 top-third 1944,1988 18 50.2 50.4 -0.2 59 44 1917 2012 1946 1944 normal 1915,1948,2018 24 44.6 44.6 0.0 71 31 1918 2017 1946 1942 top-third 1940 36 44.0 44.6 -0.6 49 51 1952 2012 1946 1946 normal 1936,1944,1946,1983,2010 48 44.2 44.6 -0.4 60 38 1918 1934,2013 1946 1944 normal 1936,1943,1957,1983,1989 60 43.8 44.6 -0.8 43 53 1969,1997 1934 1920 1946 normal 1916,1988