1991-2020 Degrees Fahrenheit 1 12.6 27.7 -15.1 1 126 1904 1998 1904 1903 lowest 2 15.0 27.2 -12.2 2 123 1912 1998 1904 1903 bottom-tenth 3 17.7 28.8 -11.1 1 124 1904 2002 1904 1903 lowest 4 22.3 31.8 -9.5 1 124 1904 2002 1904 1903 lowest 5 28.2 35.8 -7.6 2 123 1918 1932 1904 1903 bottom-tenth 1977 6 33.8 40.4 -6.6 3 122 1918 1932 1904 1903 bottom-tenth 7 38.2 44.8 -6.6 2 123 1918 1932,2017 1904 1903 bottom-tenth 8 42.1 48.2 -6.1 2 123 1918 1932 1904 1903 bottom-tenth 9 44.4 50.3 -5.9 2 123 1918 1932 1904 1903 bottom-tenth 10 46.0 51.0 -5.0 2 122 1918 2017 1904 1903 bottom-tenth 11 46.0 50.7 -4.7 2 121 1918 2017 1904 1903 bottom-tenth 12 45.5 49.4 -3.9 5 116 1918 2017 1904 1903 bottom-tenth 18 43.3 46.4 -3.1 8 111 1918 2017 1904 1903 bottom-tenth 24 46.7 49.4 -2.7 13 103 1918 2013 1899 1903 bottom-third 1909,1928 36 46.9 49.4 -2.5 13 98 1918 2013 1900 1903 bottom-third 1900 48 47.1 49.4 -2.3 12 95 1919,1927 2002,2013 1901 1903 bottom-third 1901,1982 60 47.2 49.4 -2.2 9 95 1920 2002 1902 1903 bottom-tenth 1902,1926