1901-2000 Degrees Fahrenheit 1 28.4 27.2 1.2 78 52 1918 2023 1920 1919 normal 1997,2010 2 30.4 29.1 1.3 77 52 1918 2016 1920 1919 normal 1916 3 33.0 33.2 -0.2 50 79 1918 2016 1920 1919 normal 1909,1964,1965 4 38.8 37.9 0.9 78 51 1918 2016 1920 1919 normal 1919,1939 5 43.5 42.7 0.8 77 52 1918 2016 1920 1916 normal 1916,2005 6 47.9 47.0 0.9 77 52 1918 2016 1920 1913 normal 2005 7 50.8 50.4 0.4 69 60 1905,1918 2016 1920 1914 normal 1914 8 52.3 52.2 0.1 59 70 1904 2023 1920 1914 normal 1944,1969,1979,1994 9 52.3 52.6 -0.3 44 85 1918 2016,2023 1920 1919 normal 1896 10 51.4 51.9 -0.5 35 94 1918 2023 1920 1919 bottom-third 1906,1938 11 49.9 50.5 -0.6 36 93 1918 2023 1920 1919 bottom-third 1896,1906,1916 12 47.8 48.6 -0.8 28 101 1918 2023 1920 1919 bottom-third 1900,1929,1979 18 46.6 48.0 -1.4 11 117 1905 2013,2017 1919 1920 bottom-tenth 1924 24 47.5 48.5 -1.0 16 112 1918 2023 1919 1920 bottom-third 1912,1926 36 47.8 48.5 -0.7 25 102 1906 2023 1920 1916 bottom-third 1913,1965 48 47.0 48.5 -1.5 7 119 1908 2023 1920 1919 bottom-tenth 1927 60 47.0 48.5 -1.5 5 120 1908 2023 1909 1920 bottom-tenth 1905