A record of historical temperature anomalies. Global, zoned, and gridded.
As the output from a branch of NASA, it's probably public domain, but I couldn't find a statement to that effect.
Additional Information
| Field | Value |
|---|---|
| Source | http://data.giss.nasa.gov/gistemp/ |
| Author | NASA Goddard Institute for Space Studies |
| Maintainer | Maintainer not given |