Global Historical Climate Network (GHCN)
The Global Historical Climatology Network (GHCN) is a worldwide climate database with managed by the National Climatic Data Center at Arizona State University and the Carbon Dioxide Information Analysis Center. It primarily contains data on temperatures and precipitation on a daily basis.
Number of devices and sensors
118894 devices 329167 sensors
Menne, M.J., I. Durre, B. Korzeniewski, S. McNeal, K. Thomas, X. Yin, S. Anthony, R. Ray, R.S. Vose, B.E.Gleason, and T.G. Houston, 2012: Global Historical Climatology Network - Daily (GHCN-Daily), Version 3. NOAA National Climatic Data Center.