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Global Surface Temperature
Global surface temperature compared with the 1951–1980 average, 12-month average, °C
Plays the chart through its history. Pauses are where the data set a record or moved most.
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NASA GISTEMP v4.
How much warmer the planet’s surface is than its mid-20th-century average. Year-to-year swings follow El Niño and La Niña around a rising trend.
What this chart reads
- Global Surface Temperature Anomaly (NASA GISTEMP, 12-Month Average)as “Temperature anomaly”latest 2026-09-01
Sources
Global Surface Temperature Anomaly (NASA GISTEMP, 12-Month Average). Source: Computed by Palanor from NASA Goddard Institute for Space Studies, GISS Surface Temperature Analysis version 4 (GLB.Ts+dSST), https://data.giss.nasa.gov/gistemp/. Cite: GISTEMP Team, GISTEMP v4, NASA GISS; and Lenssen, N. et al. (2024), Journal of Geophysical Research: Atmospheres. US federal data, public domain.
Charts are drawn from Palanor's signal library and recomputed from source data on every view. Transformations (changes, indexing, year-on-year rates) are Palanor's.