Cook et al. 1999 North American Drought Variability PDSI Reconstructions Cook, E.R.; Meko, D.M.; Stahle, D.W.; Cleaveland, M.K. Cook, E.R. Meko, D.M. Stahle, D.W. Cleaveland, M.K. Palmer Drought Index Reconstruction earth science/paleoclimate/climate reconstructions|tree ring (age,null,null,year Common Era,null,climate reconstructions|tree ring,null,null,N,null) earth science/paleoclimate/climate reconstructions|tree ring (Palmer Drought Severity Index,ring width,null,standard deviation unit,Jun-Aug,climate reconstructions|tree ring,null,regression analysis,N,calibration data set: Historical Climatology Network; point-by-point regression) earth science/paleoclimate/instrumental (Palmer Drought Severity Index,null,null,standard deviation unit,Jun-Aug,instrumental,null,null,N,null) earth science/paleoclimate/reconstructions (Coterminous United States>LATITUDE >LONGITUDE ) Records of past temperature, precipitation, and other climate variables derived from paleoclimate proxies. Parameter keywords describe what was measured in this data set. Additional summary information can be found in the abstracts of papers listed in the data set citations. NCDC-Paleoclimatology https://www.ncdc.noaa.gov/data-access/paleoclimatology-data - Bauer Bruce Investigator : Cook, E.R. Investigator : Meko, D.M. Investigator : Stahle, D.W. Investigator : Cleaveland, M.K. 2003-07-01 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/6389 https://www1.ncdc.noaa.gov/pub/data/paleo/drought/pdsitree.xls https://www1.ncdc.noaa.gov/pub/data/paleo/drought/pdsiinst.txt https://www1.ncdc.noaa.gov/pub/data/paleo/drought/pdsi_maxrecon.dat https://www1.ncdc.noaa.gov/pub/data/paleo/drought/readme_pdsi.txt https://www1.ncdc.noaa.gov/pub/data/paleo/drought/pdsiinst.xls https://www1.ncdc.noaa.gov/pub/data/paleo/drought/pdsitree.xls https://www1.ncdc.noaa.gov/pub/data/paleo/drought/pdsiinst.txt https://www1.ncdc.noaa.gov/pub/data/paleo/drought/pdsi_maxrecon.dat https://www1.ncdc.noaa.gov/pub/data/paleo/drought/readme_pdsi.txt https://www1.ncdc.noaa.gov/pub/data/paleo/drought/pdsiinst.xls English https://www.ncdc.noaa.gov/paleo/study/6389 https://www1.ncdc.noaa.gov/pub/data/paleo/drought/pdsitree.xls https://www1.ncdc.noaa.gov/pub/data/paleo/drought/pdsiinst.txt https://www1.ncdc.noaa.gov/pub/data/paleo/drought/pdsi_maxrecon.dat https://www1.ncdc.noaa.gov/pub/data/paleo/drought/readme_pdsi.txt https://www1.ncdc.noaa.gov/pub/data/paleo/drought/pdsiinst.xls START YEAR: 1700 AD * END YEAR: 1978 AD -124 27 -68 49