The ERA-Interim temperature data are available at https://www.ecmwf.int/en/forecasts/datasets/reanalysis-datasets/era-interim. The US Census Populations With Bridged Race Categories data for 1990-2016 are available at https://wonder.cdc.gov/bridged-race-population.html. Pre 1990, the County Intercensal Tables are available at https://www.census.gov/data/tables/time-series/demo/popest/1980s-county.html. The Vital statistics data are available at https://www.cdc.gov/nchs/nvss/dvs_data_release.htm through a request to NAPHSIS (https://www.naphsis.org/).
National Center for Health StatisticsVital statistics (1980-2016).
European Centre for Medium-Range Weather ForecastsERA-Interim temperature data (1979-2016).
CDC WONDERUS Census Populations With Bridged Race Categories (1990-2016).
United States Census BureauCounty Intercensal Tables (1980-1989).