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dataset · USA

Downscaled CMIP6 projections over CONUS at 30-arcsecond horizontal resolution

The NEX-DCP30-CMIP6 dataset contains daily, monthly, and annual downscaled CMIP6 projections over CONUS at 30-arcsecond hoirzontal resolution for maximum temperature, minimum temperature, precipitation, and vapor pressure.

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Source details

Licence: There are no restrictions on the use of this data.

Evidence quality: 31.3

Listed in aws-odr public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata checked: 2026-10-14T13:20:00.000Z

What's in it

Data offered docs-verified
maximum temperature · minimum temperature · precipitation · vapor pressure
Coverage docs-verified
CONUS
Resolution docs-verified
30-arcsecond horizontal; daily, monthly and annual temporal outputs
Update frequency docs-verified
N/A
Access docs-verified
Free and open; no AWS account required (anonymous S3 access via --no-sign-request); no restrictions on use

Useful for

Use cases llm-inferred
Climate-change scenario context for US water-resource studies · Future precipitation scenarios for US drainage or stormwater design · Projected temperature and vapour pressure inputs for evapotranspiration studies · Downscaled climate context for US environmental impact assessments
Audience llm-inferred
hydrologists · climate scientists · drainage engineers · environmental consultants · planners

Limitations

Constraints llm-inferred
Covers CONUS only, so no UK coverage · Update frequency listed as N/A in the docs · Time span not stated in the docs · File formats not stated in the docs

Evidence

Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.