To cite package ‘worldmet’ in publications use:

  Carslaw D (2025). _worldmet: Import Surface Meteorological Data from
  NOAA Integrated Surface Database (ISD)_. R package version 0.9.9, ,
  <https://github.com/openair-project/worldmet>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {worldmet: Import Surface Meteorological Data from NOAA Integrated Surface
Database (ISD)},
    author = {David Carslaw},
    year = {2025},
    note = {R package version 0.9.9, 
},
    url = {https://github.com/openair-project/worldmet},
  }