1991-2020 Degrees Fahrenheit 1 34.3 32.3 2.0 104 24 1989 2015 2013 2012 top-third 1928 2 36.5 37.0 -0.5 77 50 1989 2015 2013 2012 normal 1907,1908,1964,1992 3 42.4 42.1 0.3 84 43 1917 2015 2013 2012 normal 2003 4 47.8 47.6 0.2 88 39 1917 2015 2013 2012 top-third 2022 5 52.2 52.3 -0.1 84 43 1917 2021 2013 2012 normal 1970,1973 6 55.0 55.6 -0.6 58 69 1976 1931,2021 2013 2012 normal 1927,1936,1944 7 57.1 57.3 -0.2 86 41 1917 2021 2013 2012 top-third 1901,1939,1970,1979,2017 8 57.2 57.5 -0.3 87 40 1917 2015,2021 2013 2012 top-third 1922,1939,1952,1970,1973,1979 9 56.1 56.3 -0.2 92 34 1917 2021 2013 2012 top-third 1911,1946,1970 10 53.2 54.2 -1.0 57 69 1917 2012,2021 2009 2013 normal 1897,1903,1918,2009 11 50.3 51.7 -1.4 47 79 1917 2012 2003 2013 normal 1901 12 47.8 49.6 -1.8 31 94 1917 2012 2003 2013 bottom-third 1916,1965,1980 18 50.0 51.6 -1.6 24 98 1926 2012 1997 2013 bottom-third 1916,1929,1930,1935,1958,1972,1997 24 48.7 49.6 -0.9 65 55 1918 2021 2009 2013 normal 1983,2009 36 50.0 49.6 0.4 103 12 1918 2022 2011 2013 top-third 48 50.1 49.5 0.6 101 9 1917 2021 2011 2013 top-tenth 1955 60 50.1 49.5 0.6 99 7 1918 2021 2012 2013 top-tenth 2002,2012