Choose from the options below and click "Plot" to create a time series graph.
Data are available from January 1895 through April 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 51.78°F | 51.98°F | 51.64°F | 50.84°F | 52.62°F | 52.21°F | 51.79°F | 50.78°F | 51.12°F | 51.17°F | 51.49°F | 51.58°F | 52.25°F | 52.12°F | 51.97°F | 52.09°F | 50.29°F | 51.64°F | 52.49°F | 51.03°F | 51.29°F | 50.11°F | 51.55°F | 52.09°F | 50.76°F | 53.68°F | 52.23°F | 51.52°F | 51.37°F | 52.15°F | 52.11°F | 52.43°F | 51.56°F | 50.84°F | 52.27°F | 53.28°F | 52.28°F | 52.50°F | 54.45°F | 52.09°F | 51.88°F | 51.74°F | 53.10°F | 53.02°F | 52.05°F | 52.76°F | 52.19°F | 52.16°F | 52.10°F | 51.93°F | 52.42°F | 52.24°F | 51.70°F | 52.05°F | 51.48°F | 51.31°F | 52.17°F | 53.39°F | 53.34°F | 51.94°F | 51.99°F | 52.03°F | 52.40°F | 51.82°F | 51.93°F | 51.84°F | 51.72°F | 52.74°F | 51.36°F | 51.38°F | 51.78°F | 51.85°F | 51.55°F | 51.24°F | 51.65°F | 51.70°F | 51.76°F | 52.01°F | 52.31°F | 51.50°F | 51.79°F | 52.39°F | 51.36°F | 50.43°F | 52.49°F | 53.29°F | 51.19°F | 52.82°F | 51.28°F | 51.81°F | 52.87°F | 53.35°F | 52.75°F | 52.29°F | 53.28°F | 52.78°F | 52.94°F | 51.07°F | 52.73°F | 52.93°F | 51.84°F | 52.26°F | 54.18°F | 53.90°F | 53.93°F | 53.00°F | 53.29°F | 53.27°F | 53.15°F | 53.84°F | 53.99°F | 53.92°F | 52.43°F | 52.58°F | 52.77°F | 52.96°F | 55.25°F |
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