1991-2020 Degrees Fahrenheit 1 46.2 47.6 -1.4 53 76 1920 1981 1912 1910 normal 2 42.4 43.9 -1.5 73 56 1912 2012 1912 1911 normal 1895,1933,1976 3 36.7 39.7 -3.0 43 84 1899 2012 1912 1911 normal 4 35.5 36.9 -1.4 74 51 1912 1992 1912 1911 normal 5 32.1 35.1 -3.0 30 94 1912 1992 1912 1911 bottom-third 1896,1918 6 33.3 35.5 -2.2 42 79 1912 2000 1912 1911 normal 1916,1960,1969 7 35.0 37.6 -2.6 28 91 1912 2000 1912 1911 bottom-third 1923,1926,1947,2019 8 38.1 40.9 -2.8 21 97 1912 1981 1912 1911 bottom-third 1960,1978 9 41.9 44.4 -2.5 22 96 1912 1981 1912 1911 bottom-third 1900,1926,1933,1975 10 44.8 47.6 -2.8 19 99 1912 1981 1912 1911 bottom-third 11 46.8 49.5 -2.7 19 98 1912 1981 1912 1911 bottom-third 1944 12 47.7 50.2 -2.5 20 97 1912 1981 1912 1911 bottom-third 1922,1928,1937 18 -99 45.3 -99 -99 -99 1909,1916 2000 normal 24 -99 50.2 -99 -99 -99 1909 2000 normal 36 -99 50.2 -99 -99 -99 1918 2000 normal 48 -99 50.3 -99 -99 -99 1918 2002 normal 60 -99 50.3 -99 -99 -99 1912,1918,1920 2003 normal