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States Browse Rankings Guides Search

States Browse Rankings Guides Search

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Data sources

Plainclimate synthesizes data from these public-domain federal sources:

NOAA monthly normals 1991-2020 — ncei.noaa.gov/data/normals-monthly/1991-2020/archive/us-climate-normals_1991-2020_monthly_multivariate_by_station.tar.gz
NOAA annual/seasonal normals 1991-2020 — ncei.noaa.gov/data/normals-annualseasonal/1991-2020/archive/us-climate-normals_1991-2020_annual_multivariate_by_station.tar.gz
NOAA hourly normals 1991-2020 — ncei.noaa.gov/data/normals-hourly/1991-2020/archive/us-climate-normals_1991-2020_hourly_multivariate_by_station.tar.gz
NOAA 30-year station inventory file — ncei.noaa.gov/data/normals-monthly/1991-2020/doc/inventory_30yr.txt

U.S. climate normals made plain. Explore 30-year average temperatures, precipitation, snowfall, and comfort scores for 6,915 cities across all 50 states.

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© 2026 PlainClimate. Data from NOAA U.S. Climate Normals (1991-2020) — see methodology, data sources, editorial policy, and disclaimer for full provenance. Not affiliated with the U.S. government. For informational purposes only.

PlainClimate is published by Kiznis Studio. Climate normals are compiled programmatically from NOAA's public-domain dataset; the comfort score is a PlainClimate composite.