The record
175 years of measurements.
Three teams. One answer.
NASA, NOAA, and Berkeley Earth each track how much warmer or cooler every year runs than the 1951–1980 average. The signal is the same.
185019382025
2025
How much warmer: 2025
+1.19°C
than the 1951–1980 average · NASA GISTEMP v4
Since the 1880s
+1.41°C
2025 vs the 1880–1900 average · NASA GISTEMP v4
Current pace
+0.25°C/decade
average warming per decade, over the last 30 years · NASA GISTEMP v4
Data coverage by team
Toggle a line · open a dataset's pageDo they agree?
Three teams measure independently and get nearly identical answers — see exactly how close →
How it's measured