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message: 'To cite package "varunayan" in publications use:'
type: software
license: MIT
title: 'varunayan: Download and Process ''ERA5'', IMD, ''HadEX3'' and ''CRU TS'' Data'
version: 0.4.0
abstract: Download climate data for a bounding box, polygon or point and return tidy
  tables. Sources are the 'ERA5' reanalysis (Hersbach et al. (2020) <https://doi.org/10.1002/qj.3803>)
  from the 'Copernicus' Climate Data Store <https://cds.climate.copernicus.eu/>, India
  Meteorological Department (IMD) gridded rainfall and temperature (Pai et al. (2014)
  <https://doi.org/10.54302/mausam.v65i1.851>), 'HadEX3' climate extremes (Dunn et
  al. (2020) <https://doi.org/10.1029/2019JD032263>) and 'CRU TS' (Harris et al. (2020)
  <https://doi.org/10.1038/s41597-020-0453-3>). Computes heat stress indices, including
  wet-bulb globe temperature (Liljegren et al. (2008) <https://doi.org/10.1080/15459620802310770>)
  and the Universal Thermal Climate Index (Bröde et al. (2012) <https://doi.org/10.1007/s00484-011-0454-1>),
  and heatwave indicators, including the Excess Heat Factor (Nairn and Fawcett (2015)
  <https://doi.org/10.3390/ijerph120100227>).
authors:
- family-names: Choudhary
  given-names: Saket
  email: saketc@iitb.ac.in
  orcid: https://orcid.org/0000-0001-5202-7633
- family-names: Nehal
  given-names: Darakhshan
repository: https://cran.r-universe.dev
repository-code: https://github.com/saketlab/varunayan
commit: ac99df333cfbd2bf248e5d64949dc38df5e30705
url: https://varunayan.saketlab.org/R/
date-released: '2026-10-29'
contact:
- family-names: Choudhary
  given-names: Saket
  email: saketc@iitb.ac.in
  orcid: https://orcid.org/0000-0001-5202-7633