Dataset
Annual temperature anomalies
owid.annual-temperature-anomalies
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About
Difference of a specific year's average surface temperature from the 1991-2020 mean, in degrees Celsius.
Cite as: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. “Temperature anomaly” [dataset]. Contains modified Copernicus Climate Change Service information, “ERA5 monthly averaged data on single levels from 1940 to present 2” [original data].
- Publisher
- Our World in Data
- Tier
- Official
- Covers
- 1940–2026
- Places
- Countries, regions and groups of the world
- Updated
- irregular
- Last modified
- 2026-10-12
- Units
- °C
- License
- Creative Commons Attribution 4.0 International
- Method
- https://ourworldindata.org/grapher/annual-temperature-anomalies
Columns
| Name | Type | Description |
|---|---|---|
| entity | text | country, region or group |
| code | text | ISO 3166-1 alpha-3, OWID_ for OWID's own groups, empty for most regions |
| year | integer | |
| temperature_anomaly | number | Temperature anomaly (°C) |
Dimensions
| Name | Values |
|---|---|
| entity | |
| year |