Definition: The United States Historical Climatology Network (USHCN) is a National Climatic Data Center subsidiary responsible for the collection and analysis of several meteorological factors. The USHCN uses 1221 weather stations within the 48 contiguous United States to compile monthly averaged maximum, minimum, and mean temperature and total monthly precipitation. The records span back to as early as 1900.
Visit the homepage for the US Historical Climatology Network for more information. Or, find out the Top 25 Hottest Years Ever compiled from USHCN data.
Also Known As: USHCN or the US Historical Climatology Network