All water data sources
Registration RequiredResearchGlobal
ERA5 Climate Reanalysis
Hourly precipitation from 1940 to present at 0.25 degree resolution
cds.climate.copernicus.eu
At a glance
- Region
- Global
- Coverage
- Global, 1940-present
- Access
- Registration Required
- Category
- Research
- Last updated
- 2025
What's inside
- Climate
- Precipitation
- Reanalysis
- Hourly Data
Terms explained
What you can do with it
Typical work that data of this type supports.
- 01
Risk screening
Screen projects and assets for climate risk.
Because it has: Climate
- 02
Future water
Estimate water availability under future scenarios.
- 03
Design storms
Build rainfall intensity-duration-frequency curves for drainage design.
Because it has: Precipitation
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Bias correction
Correct and downscale climate model output for a site.
- 02
Emulators
Replace slow model runs with fast ML emulators.
- 03
Downscaling
Turn coarse rainfall grids into field or ward scale estimates.
Related water data
Find more water data
Search and compare 1,900+ water data sources by region, type and access.