NCDC is the world's largest active archive of weather data.
"NOAA’s National Climatic Data Center (NCDC) maintains the world's largest climate data archive and provides climatological services and data to every sector of the United States economy and to users worldwide. Records in the archive range from paleoclimatic data to centuries-old journals to data less than an hour old. The Center's mission is to preserve these data and make them available to the public, business, industry, government, and researchers.
Mid-1800s to present - Updated regularlyVendor:
U.S. National Weather ServiceProducer:
U.S. National Weather ServiceInterlibrary Loan:
Not PermittedSimultaneous User Limit: