Choose from the options below and click "Plot" to create a time series graph.
Data are available from January 1895 through May 2013.
Move mouse towards an axis until highlighted. Left-click mouse to pan. Shift key + left-click to zoom.
| 1896 | 1897 | 1898 | 1899 | 1900 | 1901 | 1902 | 1903 | 1904 | 1905 | 1906 | 1907 | 1908 | 1909 | 1910 | 1911 | 1912 | 1913 | 1914 | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 1925 | 1926 | 1927 | 1928 | 1929 | 1930 | 1931 | 1932 | 1933 | 1934 | 1935 | 1936 | 1937 | 1938 | 1939 | 1940 | 1941 | 1942 | 1943 | 1944 | 1945 | 1946 | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 33.09°F | 32.62°F | 32.51°F | 28.20°F | 32.42°F | 32.30°F | 31.34°F | 30.37°F | 30.18°F | 28.96°F | 32.84°F | 33.99°F | 33.69°F | 33.80°F | 28.48°F | 33.07°F | 29.71°F | 31.36°F | 32.79°F | 30.79°F | 31.73°F | 29.44°F | 29.43°F | 33.16°F | 30.81°F | 35.07°F | 31.59°F | 32.84°F | 32.81°F | 31.90°F | 33.84°F | 33.87°F | 31.80°F | 29.08°F | 32.83°F | 34.37°F | 34.78°F | 31.51°F | 35.54°F | 33.68°F | 28.05°F | 30.67°F | 33.90°F | 33.07°F | 32.08°F | 34.27°F | 32.61°F | 33.18°F | 33.44°F | 32.44°F | 32.11°F | 33.43°F | 31.12°F | 30.49°F | 33.40°F | 32.86°F | 33.22°F | 35.54°F | 35.55°F | 31.79°F | 31.84°F | 33.98°F | 33.82°F | 31.58°F | 32.25°F | 32.72°F | 31.17°F | 30.81°F | 30.57°F | 32.23°F | 31.32°F | 33.05°F | 31.50°F | 30.83°F | 32.16°F | 32.31°F | 32.63°F | 31.16°F | 33.29°F | 33.05°F | 34.64°F | 30.11°F | 29.13°F | 26.72°F | 33.41°F | 34.83°F | 30.85°F | 35.39°F | 30.66°F | 30.64°F | 33.08°F | 34.50°F | 32.06°F | 32.18°F | 33.70°F | 33.32°F | 36.34°F | 31.07°F | 31.86°F | 35.58°F | 32.98°F | 33.45°F | 36.09°F | 36.45°F | 36.59°F | 31.13°F | 35.75°F | 33.64°F | 33.06°F | 35.38°F | 35.56°F | 33.36°F | 32.79°F | 33.19°F | 30.63°F | 31.69°F | 36.40°F | 34.30°F |
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