Esper et al. 2002 Northern Hemisphere Extratropical Temperature Reconstruction Esper, J.; Cook, E.R.; Schweingruber, F.H. Esper, J. Cook, E.R. Schweingruber, F.H. Air Temperature Reconstruction earth science/paleoclimate/tree ring (tree ring standardized growth index,null,null,null,null,tree ring,composited,null,N,null) earth science/paleoclimate/tree ring (age,null,null,year Common Era,null,tree ring,null,null,N,null) earth science/paleoclimate/reconstructions (Northern Hemisphere>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 : Esper, J. Investigator : Cook, E.R. Investigator : Schweingruber, F.H. 2002-07-01 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/6299 https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/n_hem_temp/esper2002_nhem_temp.txt https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/n_hem_temp/esper2002_nhem_temp.txt English https://www.ncdc.noaa.gov/paleo/study/6299 https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/n_hem_temp/esper2002_nhem_temp.txt START YEAR: 831 AD * END YEAR: 1992 AD -180 0 180 90