1940–2026· baseline 1991-2020 · Climate Reanalyzer, ECMWF ERA5 reanalysis, global mean 2 m temperature · data · json · CC BY 4.0 · fetched 2026-10-25· ERA5 runs about five days behind real time.
Citations: Climate Reanalyzer (n.d.). Daily Sea Surface Temperature / 2m Air Temperature. Climate Change Institute, University of Maine. Retrieved 2026-10-25, from https://climatereanalyzer.org/