National Drought Mitigation Center
Click on a map or the text link above it to view it full-sized. Graphs of the Palmer Drought Index by river basin showing the percent of area in drought between 1895-2004 is also available.
1895-1995
1990-1995
1989
1988-1992
1988
1986
1985-1995
1980
1980-1989
1976-1977
1970-1979
1965
1964-1966
1961
1960-1969
1954-1956
1950-1959
1940-1949
1934-1939
1930-1939
1928-1934
1920-1929
1910-1919
1900-1909