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Federal
United States Climate Reference Network (USCRN) Quality Controlled Datasets
National Oceanic and Atmospheric Administration, Department of Commerce —
USCRN Products are available on public FTP and derived from the USCRN processed data. Available parameters include averages and calculated values for precipitation,... -
Federal
National HM Route Registry - National HM Route Registry
Department of Transportation —
Information related to preferred and restricted routes for carrying hazardous materials. -
Federal
Global Historical Climatology Network - Monthly (GHCN-M), Version 2
National Oceanic and Atmospheric Administration, Department of Commerce —
Please note, the temperature portion of this dataset has been superseded by a newer version. Users should not use this version except in rare cases (e.g., when... -
Federal
Railroad Crossings
Department of Homeland Security —
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on Railroad Crossings.