Get meta-data on the GHCND daily dataSource:
These function allow you to pull the current versions of certain meta-datasets for the GHCND, including lists of country and state abbreviations used in some of the weather station IDs and information about the current version of the data.
ghcnd_version: Get current version of GHCND data
ghcnd_states: Get US/Canada state names and 2-letter codes
ghcnd_countries: Get country names and 2-letter codes