NCEP-NCAR Reanalysis
Climate reanalysis for water balance studies
psl.noaa.gov
At a glance
- Region
- Global
- Coverage
- Global 2.5° resolution
- Access
- Free
- Category
- Government
- Last updated
- 2025
What's inside
- Climate Reanalysis
- Precipitation
- Temperature
- Pressure
- Historical 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 Reanalysis
- 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.
Machine access and documentation
Open API
NOAA PSL THREDDS/OPeNDAP psl.noaa.gov
Licence: US Government / NOAA PSL open
Listed in our registry of open water APIs, which WaterDataGPT can query live.
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