NOAA's National Centers for Environmental Information
« Annual 2021 Global Climate Report
- 2021 year-to-date temperatures versus previous years
- Monthly temperature anomalies versus El Niño
- Global Temperature Trends, Updated through 2021
- Calculating the Probability of Rankings for 2021
- Global Annual Temperature Rankings Outlook
- NOAA: El año 2021 fue el sexto año más cálido desde los comienzos de los registros en 1880
Citing This Report
NOAA National Centers for Environmental Information, State of the Climate: Monthly Global Climate Report for 2021, published online January 2022, retrieved on May 20, 2022 from https://www.ncei.noaa.gov/access/monitoring/monthly-report/global/202113/supplemental/page-4.