National Climatic Data Center

The National Climatic Data Center (NCDC), which is now part of the National Centers for Environmental Information (NCEI), is a division of the National Oceanic and Atmospheric Administration (NOAA) in the United States. It is responsible for collecting, preserving, and disseminating climate and weather data. The NCDC/NCEI serves as the nation's archive for climate data, including weather observations, climate monitoring, and related research.