These files are updates to the figures in chapter 2 of Dessler's Introduction to Modern Climate Change
The hottest years are:
2024 1.53
2023 1.46
2025 1.43
2016 1.28
2020 1.26
2019 1.22
2017 1.18
2022 1.16
2015 1.15
2021 1.11
These are in C and warming is relative to the 1850-1900 baseline. Values calculated from the Berkeley Earth data set.
If you look at the 2014-2023 period, the planet is 1.29C warmer than the 1850-1900 period.
If you want to know how extreme 2023 was compared to climate model predictions, read this.