{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Jay Alder", "hasEmail": "mailto:jalder@usgs.gov"}, "description": "This data release provides annual values for the 19 standard bioclimatic variables (BIO1\u2013BIO19) for the Contiguous United States, computed from the downscaled CMIP6-LOCA2 temperature and precipitation dataset for 1950\u20132100. Daily maximum temperature, minimum temperature, and precipitation from 27 CMIP6-LOCA2 GCMs were processed using the Python xclim library to generate bioclimatic metrics for historical period (1950-2014) and three future emission scenarios (ssp245, ssp370, ssp585). The dataset includes 6-km gridded outputs on the native LOCA2 grid (944 \u00d7 474, WGS84) and spatial summaries aggregated to U.S. Geological Survey Watershed Boundary Dataset (WBD) hydrologic units at the HU8 and HU10 levels using the gdptools Python package. All available ensemble members were included without weighting. This release supports ecological, hydrologic, agricultural, and climate-impact assessments requiring consistent, high-resolution, multi-model bioclimatic indicators for historical and projected future conditions.\nThe 27 included CMIP6 GCMs are:\nACCESS-CM2, ACCESS-ESM1-5, AWI-CM-1-1-MR, BCC-CSM2-MR, CESM2-LENS, CNRM-CM6-1, CNRM-CM6-1-HR, CNRM-ESM2-1, CanESM5, EC-Earth3, EC-Earth3-Veg, FGOALS-g3, GFDL-CM4, GFDL-ESM4, HadGEM3-GC31-LL, HadGEM3-GC31-MM, INM-CM4-8, INM-CM5-0, IPSL-CM6A-LR, KACE-1-0-G, MIROC6, MPI-ESM1-2-HR, MPI-ESM1-2-LR, MRI-ESM2-0, NorESM2-LM, NorESM2-MM, TaiESM1", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P13MHWVP", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}, {"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.691cfbf6d4be021d1d89b4ac.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_691cfbf6d4be021d1d89b4ac", "keyword": ["CMIP6", "LOCA2", "USGS:691cfbf6d4be021d1d89b4ac", "air temperature", "bioclimatic variables", "climate indices", "precipitation (atmospheric)"], "modified": "2026-01-07T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-125.5000, 23.8750, -66.0000, 53.5000", "theme": ["geospatial"], "title": "Annual Bioclimatic Variables (BIO1-BIO19) derived from CMIP6-LOCA2 (1950-2100) for the Contiguous United States"}