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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 36.12" | 25.70" | 28.53" | 29.17" | 33.44" | 48.76" | 22.36" | 42.56" | 32.14" | 32.59" | 45.05" | 31.11" | 38.89" | 31.85" | 27.18" | 23.96" | 24.14" | 27.53" | 41.47" | 45.82" | 27.77" | 25.52" | 14.54" | 33.42" | 53.89" | 35.41" | 29.80" | 37.47" | 38.76" | 24.35" | 32.38" | 36.49" | 23.59" | 28.69" | 32.61" | 37.69" | 28.48" | 26.36" | 29.02" | 26.72" | 41.39" | 41.99" | 28.32" | 27.92" | 20.09" | 40.54" | 40.36" | 36.44" | 31.50" | 33.77" | 32.58" | 43.17" | 25.36" | 22.93" | 35.05" | 19.56" | 25.76" | 28.93" | 27.25" | 17.33" | 21.29" | 16.21" | 46.52" | 30.20" | 33.50" | 43.20" | 29.67" | 24.84" | 19.62" | 27.91" | 32.94" | 25.38" | 39.95" | 38.55" | 31.86" | 28.66" | 35.73" | 35.68" | 47.24" | 35.92" | 32.55" | 48.52" | 26.59" | 34.27" | 37.22" | 28.10" | 42.06" | 25.17" | 34.94" | 27.02" | 34.55" | 37.42" | 32.31" | 23.46" | 22.34" | 31.03" | 45.00" | 38.12" | 32.67" | 38.73" | 28.68" | 26.17" | 43.54" | 38.85" | 24.93" | 35.22" | 36.22" | 44.00" | 28.76" | 44.80" | 20.47" | 33.94" | 44.17" | 18.05" | 34.94" | 32.78" | 16.50" | 26.39" |
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