1901-2000 Degrees Fahrenheit 1 46.3 50.0 -3.7 9 120 1925 2017 1896 1903 bottom-tenth 2 52.6 55.2 -2.6 5 124 1917 2017 1896 1903 bottom-tenth 1988 3 56.8 59.3 -2.5 2 127 1940 2021 1904 1903 bottom-tenth 4 59.8 61.9 -2.1 3 126 1902,1925 2021 1902 1903 bottom-tenth 1940 5 60.3 62.4 -2.1 3 126 1903 2021 1903 1901 bottom-tenth 1940 6 60.1 61.3 -1.2 15 114 1907 2021 1903 1901 bottom-third 1897,1974 7 57.5 58.9 -1.4 10 119 1907 2010 1903 1901 bottom-tenth 1909 8 54.2 55.8 -1.6 7 122 1926 2010 1904 1903 bottom-tenth 1924 9 50.1 52.4 -2.3 4 125 1907 2012 1904 1903 bottom-tenth 1940 10 46.6 49.6 -3.0 1 128 1904,1907 2012 1904 1903 lowest 1907 11 44.5 47.6 -3.1 1 127 1904 2012 1904 1903 lowest 12 43.7 46.9 -3.2 1 127 1904 2012 1904 1903 lowest 18 48.9 51.7 -2.8 1 127 1904 2012 1904 1903 lowest 24 45.1 46.9 -1.8 3 124 1905 2017 1904 1903 bottom-tenth 36 45.3 46.9 -1.6 5 121 1905 2012 1904 1903 bottom-tenth 48 45.5 46.9 -1.4 5 120 1907 2013 1904 1903 bottom-tenth 1908,1920,1926 60 45.8 46.9 -1.1 9 115 1907 2020 1904 1903 bottom-tenth 1919,1926