- Scope
- World
- Period
- September 2026
- Source
- NASA GISS Surface Temperature Analysis v4 via GISS Surface Temperature Analysis (GISTEMP v4)
Environment
Global surface temperature anomaly (monthly)
Combined land-surface air and sea-surface water temperature anomaly relative to the 1951–1980 base period.
- Indicator code
- NASA.GISTEMP.GLOBAL.MONTHLY
- Unit
- degrees Celsius vs. 1951–1980 mean
- Frequency
- monthly
- Default classification
- Latest available
- Original producer
- NASA GISS Surface Temperature Analysis v4
- Distributed by
- NASA Goddard Institute for Space Studies — GISS Surface Temperature Analysis (GISTEMP v4)
- License
- Public domain (U.S. Government work)
- Source record
- https://data.giss.nasa.gov/gistemp/
World trend
January 1880 – September 2026
Revision history
Changes to previously published values detected during imports.
No revisions recorded since the first import.