Monthly, January 1940 to February 2025; Compared to 1850–1900 mean
A line chart displaying global surface air temperature anomalies from January 1940 to February 2025, compared to the 1850-1900 mean. 2023 and 2024 are clear outliers, with temperature anomalies higher than previous years. 2025 started with the highest January ever but cooled down to the third-warmest February. The chart features gray lines representing annual variations.