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Most Requested Publications ASCII Files RADAR CD-ROMs/DVDs Free Data Subscriptions
Station Locator Inventories Satellite Data Modelled Data Paleoclimatology Climate Monitoring Weather Extremes & Events

up arrow Free Data - note that free items are indicated by "FREE" in item descriptions below.
Free Access NCDC Certifications Help Page Offline Orders NCDC Help Page Adobe Acrobat Reader NCDC Contact NCDC Contact NCDC Contact

Please note: Although some items below have associated costs, there is at least one "free" option within each data product listed. Free items are immediately viewable/downloadable from the web site.

Free Data A
Nation Weather Service & Regional Climate Center products
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Free Data B
COOP Online Individual Station Original Forms
COOP Sample
COOP Online Individual Station Preliminary
COOP Sample
COOP Online Individual Station
COOP Sample
Annaul COOP Subscription (1 Station)
Online Annual Subscription (unlimited)
Back to the top Offline orders COOP Observers Certified Copies

Free Data C
CLIM 20 Station Normals
CLIM20 Sample
CLIM 81 Monthly Normals
CLIM 81 Sample
CLIM 81 Sup. 1
CLIM 81 Sup. 2
CLIM 84 Daily Normals
CLIM 84 Sample
CLIM 85 Divisional Normals
HCS 4-1, 4-2 and 4-3
HCS 5-1, 5-2 and 5-3
Back to the top CLIM85 Hardcopy HCS 5-1 & 5-2 Updates CLIM84 CD-ROM CLIM81 CD-ROM CLIM20 CD-ROM Offline orders Subscription 1971-2000 Normals Products Page 1971-2000 Normals Products Page

Free Data D
CLIMAPS PDF images or ESRI Shape Files
CLIMAPS Sample
Selected Maps from the Climate Atlas of the Contiguous US
Back to the top Offline orders Climate Atlas Documentation Climate Atlas of the US CD-ROM

Free Data E
SD Publication
SD Sample
Storm Events Database
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Free Data F
Climatic Wind Data for the US through 1996 (online copy)
Climatic Wind Data for the US through 1996 (hard copy)
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Free Data G
Comparative Climatic Data
CCD Sample
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Free Data H
SRRS Weather Maps
SRRS NCEP Charts Sample
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Free Data I
HSEI Most Popular Images/Posters
HSEI Image Sample
HSEI Posters
HSEI Poster Sample
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Free Data J
HCS 5-1 Heating Degree Day w/Temperature & Precipitation Updates
HCS 5-2 Cooling Degree Day w/Temperature & Precipitation Updates
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Free Data K
GSOD/Global Summary of Day
GSOD Samples
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Free Data L
HCS 6-4 Climates of the World
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Free Data M
US Historical Climatology Network (USHCN)
USHCN Sample
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Free Data N
Global Historical Climate Network Version 2
GHCN Sample
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Free Data O
Freeze/Frost Data (CLIM 20 Supp. 1)
Freeze/Frost Data Sample
Back to the top Station Listing for CLIM 20 Supp 1 Freeze/Frost Data (CLIM 20 Supp. 1) Documentation

Free Data P
Climate Monitoring
Climate Monitoring Sample
Extreme Weather and Climate Events
Extreme Weather/Climate Events Sample
NEXRAD National Mosaic Reflectivity Images
NEXRAD Image Sample
NCDC Products And Services Guide
Conversion and Decoder Charts
Environmental Information Summaries (EIS)
NCDC's Rainfall Frequency Atlas of the US web page
Climatic Data for Frost Protected Shallow Foundations (FPSF)
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