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Federal
Global Historical Climatology Network - Daily (GHCN-Daily), Version 3
National Oceanic and Atmospheric Administration, Department of Commerce —
The Global Historical Climatology Network - Daily (GHCN-Daily/GHCNd) dataset integrates daily climate observations from approximately 30 different data sources.... -
Federal
U.S. Daily Climate Normals (1981-2010)
National Oceanic and Atmospheric Administration, Department of Commerce —
The U.S. Daily Climate Normals for 1981 to 2010 are 30-year averages of meteorological parameters for thousands of U.S. stations located across the 50 states, as well... -
Federal
U.S. Annual/Seasonal Climate Normals (1981-2010)
National Oceanic and Atmospheric Administration, Department of Commerce —
The U.S. Annual Climate Normals for 1981 to 2010 are 30-year averages of meteorological parameters that provide users with many tools to understand typical climate... -
Federal
Integrated Surface Dataset (Global) (Version Superseded)
National Oceanic and Atmospheric Administration, Department of Commerce —
This version has been superseded by a newer version. It is highly recommended for users to access the current version. Users should only access this superseded... -
Federal
National Bridge Inventory
Federal Geographic Data Committee —
The National Bridge Inventory dataset is as of June 20, 2025 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation... -
Federal
NOAA Monthly U.S. Climate Divisional Database (NClimDiv)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset replaces the previous Time Bias Corrected Divisional Temperature-Precipitation Drought Index. The new divisional data set (NClimDiv) is based on the... -
Crashes in DC
District of Columbia —
Crashes on the roadway blocks network of Washington, DC maintained by the District Department of Transportation (DDOT). In addition to locations, a related table... -
Federal
U.S. Monthly Climate Normals (1981-2010)
National Oceanic and Atmospheric Administration, Department of Commerce —
The U.S. Monthly Climate Normals for 1981 to 2010 are 30-year averages of meteorological parameters for thousands of U.S. stations located across the 50 states, as... -
Federal
Monthly Summaries of the Global Historical Climatology Network - Daily (GHCN-D)
National Oceanic and Atmospheric Administration, Department of Commerce —
Monthly Summaries of Global Historical Climatology Network (GHCN)-Daily is a dataset derived from GHCN-Daily. The data are produced by computing simple averages or... -
City
Light Rail Stations
City of Seattle —
Frequent, reliable transit service is the foundation of a transportation system that empowers all travelers and makes Seattle a truly transit-friendly city. A robust... -
Federal
North American Rail Network Lines
Federal Geographic Data Committee —
The North American Rail Network (NARN) Rail Lines dataset was created in 2016 and was updated on July 18, 2025 from the Federal Railroad Administration (FRA) and is... -
Federal
U.S. Hourly Climate Normals (1981-2010)
National Oceanic and Atmospheric Administration, Department of Commerce —
The U.S. Hourly Climate Normals for 1981 to 2010 are 30-year averages of meteorological parameters for thousands of U.S. stations located across the 50 states, as... -
City
Frequent Transit Network
City of Seattle —
Frequent, reliable transit service is the foundation of a transportation system that empowers all travelers and makes Seattle a truly transit-friendly city. A robust... -
Federal
Navigable Waterway Network Lines
Federal Geographic Data Committee —
The Navigable Waterway Network Lines dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of... -
City
Substandard Sidewalks
City of Seattle —
The Pedestrian Element of the Seattle Transportation Plan (STP) is a blueprint to create a more walkable Seattle and provides a suite of pedestrian improvements... -
Built Environment Indicators
District of Columbia —
This data layer provides a comprehensive set of indicators related to the built environment and their impact on health outcomes across the District of Columbia. It... -
Interstate Highways
District of Columbia —
Roadway Street Blocks representing Interstates, Freeways, Expressways in the District, This data set was created to act as a basis for public and private institutions... -
State
All Public Roads
State of Oregon —
OR-Trans is a GIS road centerline dataset compiled from numerous sources of data throughout the state. Each dataset is from the road authority responsible for (or... -
City
Transit Capital Corridors
City of Seattle —
Frequent, reliable transit service is the foundation of a transportation system that empowers all travelers and makes Seattle a truly transit-friendly city. A robust...