normals is an R package that can be used to calculate climate normals using gridMET climate data. The package can be installed using devtools in R with devtools::install_github("https://github.com/mt-climate-office/mt-normals.git") Monthly and annual climate normals for the state of Montana are available in the data/normals directory. An overview of how to use the package is available in docs/climate_normals/make_normals.pdf. If you use our premade climate normals or use the normals package in a publication, please use the following citation:

Colin, Brust, R. Kyle, Bocinsky, Zachary, Hoylman, & Kelsey, Jencso. (2022). Normals: An R Package for Creating Montana's Climate Normals (1.0.1). Zenodo. https://doi.org/10.5281/zenodo.7278462