NOAA National Centers for Environmental Information
Global Historical Climatology Network and global climate reports
The primary archive of quality-controlled land surface station observations of precipitation and temperature, holding daily records from over 100,000 stations worldwide, some extending back to the nineteenth century.
Rights
- Commercial reuse
- Yes
- Redistribution
- Yes
- Derivative use
- Yes
- Attribution required
- No
- Restrictions
- Applies to material authored by US federal agencies. Third-party material carried within a federal product may be separately protected.
- Terms last checked
- 23 August 2026
Access and coverage
- Publisher
- NOAA National Centers for Environmental Information
- Website
- https://www.ncei.noaa.gov/
- Geographic coverage
- Global — 100,000+ stations
- Temporal coverage
- 1763 onwards
- Update frequency
- daily
- Formats
- csv, json, api
- Bulk download
- Available
- Registration required
- Yes
- Rate limit
- 10,000 requests per day; 5 per second
- Cost to Hydrionis
- Free
- Domains
- precipitation, temperature