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Vital indicators of climate change - Global temperature

Vital indicators of climate change - Global temperature


2023 was the warmest year on record with the global mean surface temperature about 1.45℃ above the pre-industrial (1850-1900) levels. The last nine years (2015-2023) are the warmest nine years on record globally.

Global mean temperature anomalies

Global mean surface temperature change compared to 1850-1900 average
(Source: World Meteorological Organization State of the Global Climate 2023)

Global temperature datesets

  1. European Centre for Medium-Range Weather Forecasts
  2. Hadley Centre/Climate Research Unit of the University of East Anglia (UK)
  3. Japan Meteorological Agency
  4. US National Aeronautics and Space Administration
  5. US National Oceanic and Atmospheric Administration
  6. Berkeley Earth