U.S. Geological Survey Data Series Link: https://pubs.usgs.gov/ds/691/
Authors: Michael S. O’Donnell and Drew A. Ignizio
U.S. Geological Survey ScienceBase Data Catalog (Data Repository)
BioClimComposite_1971_2000_800m.zip
BioClimComposite_1970s_2km.zip
BioClimComposite_1980s_2km.zip
BioClimComposite_1990s_2km.zip
BioClimComposite_2000s_2km.zip
BioClimComposite_1890s_4km.zip
BioClimComposite_1900s_4km.zip
BioClimComposite_1910s_4km.zip
BioClimComposite_1920s_4km.zip
BioClimComposite_1930s_4km.zip
BioClimComposite_1940s_4km.zip
BioClimComposite_1950s_4km.zip
BioClimComposite_1960s_4km.zip
BioClimComposite_1970s_4km.zip
BioClimComposite_1980s_4km.zip