1901-2000 Degrees Fahrenheit 1 25.4 35.9 -10.5 2 127 1960 2012 1912 1911 bottom-tenth 2 21.6 30.4 -8.8 1 128 1912 2012 1912 1911 lowest 3 16.8 27.3 -10.5 1 128 1912 2012 1912 1911 lowest 4 20.2 27.0 -6.8 2 126 2014 2012 1904 1911 bottom-tenth 1904 5 22.5 29.2 -6.7 1 127 1912 2012 1912 1911 lowest 6 27.1 33.0 -5.9 1 127 1912 2012 1912 1911 lowest 7 32.5 37.4 -4.9 1 127 1912 2012 1912 1911 lowest 8 37.2 41.6 -4.4 2 126 1904 2012 1904 1911 bottom-tenth 9 41.3 45.1 -3.8 2 126 1904 2012 1904 1911 bottom-tenth 10 44.4 47.5 -3.1 4 124 1904 2012 1904 1911 bottom-tenth 2014 11 46.2 48.5 -2.3 6 122 1918 2012 1904 1911 bottom-tenth 12 46.2 48.5 -2.3 8 120 1918 2012 1905 1911 bottom-tenth 18 41.8 43.3 -1.5 12 115 1905 2017 1905 1911 bottom-tenth 24 47.2 48.5 -1.3 11 116 1905 2017 1906 1911 bottom-tenth 1926,1930 36 47.3 48.4 -1.1 7 119 1905,1906,1918 2018 1906 1911 bottom-tenth 1920,1927,1980 48 47.8 48.4 -0.6 19 106 1906 2002 1908 1911 bottom-third 1962,1971,1978 60 47.5 48.4 -0.9 7 117 1906,1908 2002,2020 1908 1911 bottom-tenth 1918,1919,1929,1930,1980