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UFFDA
Weather● In mapdaily, 1981→present, 0.5° grid

NASA POWER — global daily weather & agroclimatology

Daily temperature, precipitation, solar radiation, and soil-temp proxy on a 0.5° grid, globally, 1981→present. Works the same for a field in Iowa, Brazil, or Punjab.

What this is

NASA POWER (Prediction Of Worldwide Energy Resources) bundles MERRA-2 reanalysis with satellite-derived surface flux estimates into a free public agroclimatology API. UFFDA queries the daily point endpoint for a per-field — or per-map-center — series of max/min/avg 2m air temperature, corrected precipitation, all-sky shortwave solar at the surface, and skin temperature as a 2m-soil-temp proxy. The series defaults to the last 14 days. No API key. Results are snapped to NASA POWER's native 0.5° grid and cached, so the second click on any field in the same 0.5° cell is instant.

Why we surface it

It's a free, no-key way to ground every click in real recent weather context, anywhere on Earth. It also opens up weather-anchored questions (frost risk, dry spell length, accumulated growing-degree days) that are a much bigger story than any single forecast model.

What you can do with it

Shown for commercial use. Personal, research, and nonprofit use is often more permissive — switch the verdict lens on the catalog.

Internal / individual use
Public domain. Use it for anything — internal, resale, AI training, closed products. No attribution legally required (crediting the source is still the decent thing to do).
Redistribute the data
Public domain. Use it for anything — internal, resale, AI training, closed products. No attribution legally required (crediting the source is still the decent thing to do).
Republish a derivative
Public domain. Use it for anything — internal, resale, AI training, closed products. No attribution legally required (crediting the source is still the decent thing to do).
Build into a private product
Public domain. Use it for anything — internal, resale, AI training, closed products. No attribution legally required (crediting the source is still the decent thing to do).

This decoder is a starting point, not legal advice. For commercial deployment, run the actual license terms past someone who reads them for a living.

◆ Schema · Sample · Citation

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