Analysis of information sources in references of the Wikipedia article "2023 heat waves" in English language version.
Unprecedented global temperatures from June onwards led 2023 to become the warmest year on record – overtaking by a large margin 2016, the previous warmest year. 2023 was 0.60 °C warmer than the 1991-2020 average and 1.48 °C warmer than the 1850-1900 pre-industrial level
For January to September 2023, the global mean temperature for 2023 to date is 1.40 °C higher than the pre-industrial average (1850–1900).
For January to September 2023, the global mean temperature for 2023 to date is 1.40 °C higher than the pre-industrial average (1850–1900).