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Federal
U.S. Hourly Precipitation Data
National Oceanic and Atmospheric Administration, Department of Commerce —
Hourly Precipitation Data (HPD) is digital data set DSI-3240, archived at the National Climatic Data Center (NCDC). The primary source of data for this file is... -
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
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 NEXt-Generation RADar (NEXRAD) Products NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset consists of Level III weather radar products collected from Next-Generation Radar (NEXRAD) stations located in the contiguous United States, Alaska,... -
Federal
NOAA Next Generation Radar (NEXRAD) Level 2 Base Data
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset consists of Level II weather radar data collected from Next-Generation Radar (NEXRAD) stations located in the contiguous United States, Alaska, Hawaii,... -
Federal
U.S. Local Climatological Data (LCD)
National Oceanic and Atmospheric Administration, Department of Commerce —
Local Climatological Data (LCD) are summaries of climatological conditions from airport and other prominent weather stations managed by NWS, FAA, and DOD. The product... -
Federal
U.S. 15 Minute Precipitation Data
National Oceanic and Atmospheric Administration, Department of Commerce —
U.S. 15 Minute Precipitation Data is digital data set DSI-3260, archived at the National Climatic Data Center (NCDC). This is precipitation data. The primary source... -
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
Safety Pilot Model Deployment Data
Department of Transportation —
This data were collected during the Safety Pilot Model Deployment (SPMD). The data sets that these entities will provide include basic safety messages (BSM), vehicle... -
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... -
Air Quality History
District of Columbia —
This dataset contains quality assured and DOEE-certified air quality data collected from the District’s five air monitoring network sites. The dataset covers a three-... -
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... -
Federal
Aviation Facilities
Federal Geographic Data Committee —
The Aviation Facilities dataset is updated every 28 days from the Federal Aviation Administration (FAA) and is part of the U.S. Department of Transportation... -
ACS 5-Year Demographic Characteristics DC Ward
District of Columbia —
Age, Sex, Race, Ethnicity, Total Housing Units, and Voting Age Population. This service is updated annually with American Community Survey (ACS) 5-year data. Contact:... -
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
Local Climatological Data (LCD) Publication
National Oceanic and Atmospheric Administration, Department of Commerce —
Local Climatological Data (LCD) contains summaries from major airport weather stations that include a daily account of temperature extremes, degree days,...
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