Please, go here to learn more about the data.
All the original data has been provided by Aemet, the Spanish meteorological agency.
In the front page you have a map with markers. Each marker represents the location of a met mast. When you click on a marker a popup window will appear with information about the met mast and with links to access the available data in several formats.
If you find an error in the data, please, open an issue and tell us all the details. If it was our fault sorry about it.