1991-2020 Degrees Fahrenheit 1 38.6 39.6 -1.0 71 53 1948 2017 1912 1913 normal 2 44.4 46.4 -2.0 53 71 1911,1919 2016 1913 1910 normal 1968,2002 3 51.1 53.3 -2.2 52 72 1912 2016 1913 1910 normal 1928 4 56.2 59.1 -2.9 43 81 1912,1916 2015 1913 1910 normal 1964 5 59.5 63.1 -3.6 28 96 1912 2012 1913 1910 bottom-third 1900,1951,1993 6 60.6 64.7 -4.1 22 102 1912 2012 1913 1910 bottom-third 1951 7 60.5 64.3 -3.8 22 102 1912 2012 1913 1913 bottom-third 1909,1913,1924,1938,1945,1948,1951 8 59.2 62.8 -3.6 28 96 1912 2012 1913 1913 bottom-third 1913,1925,1930,1948 9 57.2 60.8 -3.6 34 90 1912 2012 1913 1910 bottom-third 1918,1928,1955 10 54.4 58.2 -3.8 32 92 1912,1917,1929 2012 1913 1910 bottom-third 1932 11 51.4 55.5 -4.1 30 94 1917 2012 1913 1911 bottom-third 1922 12 48.9 53.2 -4.3 26 97 1917 2012 1913 1911 bottom-third 1909,1919 18 52.7 57.0 -4.3 18 105 1917 2017 1913 1911 bottom-third 1906 24 48.1 53.2 -5.1 6 116 1917 2018 1913 1912 bottom-tenth 1916,1921,1925,1929,1933 36 47.7 53.2 -5.5 2 119 1917 2017 1914 1913 bottom-tenth 48 48.2 53.1 -4.9 7 113 1920 2018 1914 1913 bottom-tenth 60 48.6 53.1 -4.5 9 110 1917,1920 2018,2019,2021 1913 1913 bottom-tenth 1913