Most Popular Data
Click on one of the links below to jump to the details of the listed dataset or product:
- U.S. Local Climatological Data
- Global Historical Climatology Network-Daily (GHCN-D)
- Integrated Surface Data, Hourly, Global
- 1971–2000 U.S. Climate Normals Products
- Storm Data Publication/Database
- Climatological Data Publication
- Hourly Precipitation Data Publication/Database
- U.S. Annual Climatological Summary
- Weather Maps/Charts
- Comparative Climatic Data (CCD)
- Climatic Wind Data Publication
- Climate Maps of the United States
- CD-ROMs/DVDs
- Climate Indices
- Global Summary of the Day (GSOD)
- U.S. Historical Climatology Network (USHCN)
- Climates of the World/Historical Climate Summary
- Historical Significant Events Imagery
- Regional Climate Centers/National Weather Service Products
- Various Webpage Resources
- Analyses/Climate Monitoring
* Access to online data (online meaning available through our website for online delivery) is now free to everyone. Some orders could be subject to a certification, consultation fee or handling charge. See the notes at the bottom of this page.
| 1. U.S. Local Climatological Data | ||
|---|---|---|
| Description: Hourly, daily, and monthly climatic data for many U.S. cities | ||
| Quality Controlled Local Climatological Data (QCLCD) |
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Jan. 2005 and later ONLY Certification charges apply |
| Unedited Local Climatological Data (ULCD) |
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Data prior to 2005 ONLY Certification charges apply |
| Edited Monthly (Online LCD) |
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Certification charges apply |
| Edited Annual (Online LCD Annual) |
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Certification charges apply |
| Additional Information: Certified Data DVD Station List Offline Options | ||
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Period of record: Varies by station | |
| 2. Global Historical Climatology Network-Daily (GHCN-D) | ||
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| Description: Formatted and/or ASCII output of data types, which includes daily temperature, precipitation, and snow records over global land areas; includes Cooperative Observer Program (COOP) data | ||
| GHCN-Daily |
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Choice of standard PDF, custom CSV, or custom text file |
| GHCN-Daily FTP/HTTP Access |
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Data files via FTP/HTTP |
| Individual Station Original |
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Original COOP forms (PDF) |
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Additional Information: Certified Data Offline Options Please Note: Certified copies of the original 'COOP' forms (item 3 above) may be purchased by visiting the IPS system. As of Jan 2012, GHCN-Daily is now the official archive. |
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Period of record: 1800s–Current Certification charges apply |
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| 3. Integrated Surface Database (ISD), Hourly, Global | ||
|---|---|---|
| Description: Digital dataset of detailed hourly observational climate data for thousands of locations worldwide | ||
| ISD/CDO |
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Offline Options: $140 and up Certification charges apply |
| ISD FTP data access | Complete dataset, archival format only | |
| Additional Information: Metadata/Software Station History DVD QC Offline Options | ||
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Period of record: 1901–Current | |
| 4. 1971–2000 U.S. Climate Normals Products | ||
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| Description: Long-term climatic averages and extremes for U.S. locations | ||
| CLIM 20 Station Summaries |
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Climatography of the U.S. #20 Also available on CD-ROM |
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CLIM 20 Supplement 1 Freeze/Frost Data |
Freeze frost data for the United States | |
| CLIM 81 Monthly Normals |
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Climatography of the U.S. #81 Also available on CD-ROM |
| CLIM 81 Supplement 1 | Climatography of the U.S. #81 Supplement 1—Monthly Precipitation Probabilities | |
| CLIM 81 Supplement 2 | Climatography of the U.S. #81 Supplement 2—Annual degree days to selected bases | |
| CLIM 84 Daily Normals |
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Climatography of the U.S. #84 Also available on CD-ROM |
| CLIM 85 Divisional Normals |
Climatography of the U.S. #85 Or purchase hardcopy by mail |
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| HCS 4-1, 4-2, and 4-3 | Historical Climatology Series 4-1, 4-2, and 4-3 | |
| HCS 5-1, 5-2, and 5-3 |
Historical Climatology Series 5-1, 5-2, and 5-3 Updates to 5-1 and 5-2 |
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Additional Information: Offline Options The new 1981–2010 Normals (daily, monthly, annual) are available from the Climate Data Online system |
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1971–2000 Normals Products Page | |
| 5. Storm Data Publication/Database | ||
|---|---|---|
| Description: Severe weather reports on damages, injuries, deaths, and more for U.S. locations | ||
| Storm Data (final) |
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Available online |
| NCDC Storm Events Database | Search engine tool for severe weather events by location (currently only 2006 forward) | |
| NOAA's Severe Weather Data Inventory |
System providing the ability to search records covering a particular time period and geographic region Download formats currently supported are Shapefile (for GIS), KMZ (for Google Earth), CSV (comma-separated), and XML |
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| Additional Information: DVD Offline Options | ||
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Period of record: 1950–Current | |
| 6. Climatological Data Publication | ||
|---|---|---|
| Description: Daily amd monthly climatic data for hundreds of locations within a U.S. state | ||
| Individual Monthly Issue |
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Free online |
| Individual Annual Issue |
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Free online |
| Additional Information: DVD Offline Options | ||
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Period of record: 1890–Current | |
| 7. Hourly Precipitation Data Publication/Database | ||
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| Description: Collection of hourly precipitation data for many locations within a U.S. state | ||
| 15 Minute Precipitation |
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Map interface to 15 Minute precipitation database |
| Hourly Precipitation |
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Map interface to Hourly precipitation database |
| Individual Monthly Issue |
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Free online |
| Individual Annual/Dec. Issue | Free online | |
| Rainfall Frequency Atlas | The National Weather Service's (NWS) Hydrometeorological Design Studies Center (HDSC) prepares precipitation frequency estimates for the federal government and provides related documents on this site | |
| Additional Information: DVD Offline Options | ||
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Period of record: 1951–Current | |
| 8. U.S. Annual Climatological Summary (Ancsum) | ||
|---|---|---|
| Description: Monthly and annual climatic statistics for a single U.S. location | ||
| Individual Station |
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Certification charges apply |
| Additional Information: Offline Options | ||
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Period of record: Varies | |
| 9. Weather Maps/Charts | ||
|---|---|---|
| Description: National Weather Service charts archived at NCDC | ||
| Analysis and Forecast Charts |
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Certification charges apply |
| Additional Information: Offline Options | ||
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Period of record: 1948–Current | |
| 10. Comparative Climatic Data (CCD) | ||
|---|---|---|
| Description: Climatic averages and extremes for major U.S. cities. | ||
| CCD Publication |
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Hardcopy (ordered offline) $5 |
| Additional Information: Offline Options | ||
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Period of record: Varies | |
| 11. Climatic Wind Data Publication | ||
|---|---|---|
| Description: Climatic wind data from NCDC's LCD publication, U.S. Air Force climatic briefs, and more | ||
| Climatic Wind Data for the U.S. | Free online | |
| Additional Information: Offline Options | ||
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Period of record: Varies, but generally 1930–1996 | |
| 12. Climate Maps of the United States | ||
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| Description: Various long-term climatic data depicted on U.S. maps | ||
| CLIMAPS—PDF or ESRI |
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Free online |
| Selected Maps Publication |
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$10 for published set of 20 maps |
| Additional Information: CD-ROM Version Documentation Offline Options | ||
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Period of record: 1961–1990 | |
| 13. CD-ROMs/DVDs | ||
|---|---|---|
| Description: A listing of all available CD-ROMs and DVDs from NCDC | ||
| Catalog | Available for online ordering, delivered by first class mail | |
| Additional Information: Offline Options | ||
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Period of record: Varies by dataset | |
| 14. Climate Indices (National, Regional, Statewide, Divisional) | ||
|---|---|---|
| Description: Derived from U.S. station data, including the cooperative network, into monthly composite means by climate division | ||
| Climate Indices |
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Free online Includes temperature, precipitation, and drought indices by year-month (via Climate Data Online (CDO) system) |
| Climate Indices FTP Data Access |
Free online Includes temperature, precipitation, and drought indices by year-month (FTP Access) |
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| Additional Information: Offline Options | ||
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Period of record: 1895–Present | |
| 15. Global Summary of the Day (GSOD) | ||
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| Description: Global daily climatic data | ||
| Global Summary of the Day |
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Free online |
| Additional Information: Offline Options | ||
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Period of record: Varies, as far back as 1930, and in some cases to the present | |
| 16. U.S. Historical Climatology Network (USHCN) | ||
|---|---|---|
| Description: The USHCN consists primarily of long-term COOP stations whose monthly temperature records have been adjusted for systematic, nonclimatic changes that bias temperature trends | ||
| U.S. Historical Climatology Data | Free online | |
| Additional Information: Offline Options | ||
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Period of record: Varies, as far back as 1900, and in some cases to the present | |
| 17. Climates of the World/Historical Climate Summary | ||
|---|---|---|
| Description: Monthly and annual worldwide climatic data presented in tabular form and on map | ||
| Historical Climate Summary 6-4 | Free online | |
| Additional Information: Offline Options | ||
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Period of record: 1931–1960 | |
| 18. Historical Significant Events Imagery (HSEI) | ||
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| Description: Satellite imagery photographics during a wide selection of historically significant dates and times | ||
| HSEI Most Popular |
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Prints: Variable pricing ($5 and up) |
| HSEI Posters |
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$18 per poster |
| Additional Information: Quick Search Help/Links Offline Options | ||
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Period of record: 1960–Current | |
| 19. Regional Climate Centers/National Weather Service Products | ||
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| Description: Climate products from NOAA's RCCs and NWS | ||
| National Weather Service (NWS) | Current National Weather Service Products | |
| Regional Climate Center (RCCs) | NOAA's Regional Climate Centers | |
| American Association of State Climatologists | Access to State Climatologists | |
| Additional Information: Offline Options | ||
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Period of record: Varies | |
| 20. Various Webpage Resources | ||
|---|---|---|
| Description: Additional information sources from the NCDC website | ||
| Frost Shallow Foundations | Free Climatic data for frost protected shallow foundations (FPSF) | |
| Extreme Weather | NCDC's extreme weather events page | |
| Products and Services Guide | Guide to most NCDC products and services | |
| Conversion or Calculations formulae | Temperature, wind chill, heat index, relative humidity, wind speed, and station pressure | |
| Snowfall to Meltwater Table | ||
| Additional Information: Offline Options | ||
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Period of record: Varies | |
- Online access to most online data (online meaning available through our website for online delivery) is now free to everyone.
- The period of record shown indicates the period of data available online. The period of record for the complete dataset may vary and is dependent on the desired location. Data prior to the period of record indicated may be available. The NCDC archives contain data as far back as the 1800s for certain data types and locations. Contact NCDC for availability, pricing, and ordering information.
- Any data product ordered from NCDC may be certified for court, but only the more commonly certified products are available for online ordering of certification. For ordering certified copies of items where certifications are not offered online, please contact NCDC. For more information on certifications, see the Certification of Data page.
- Online means available through our website for electronic delivery, although some items ordered online may require online delivery by mail and those are subject to a service charge. Some orders could be subject to a consultation fee or handling charge.
- Offline means the data type is not available through our web site. Contact NCDC for availability, pricing and ordering information. Many items cost more when ordered offline.
- Some products require Adobe Acrobat Reader for viewing.
- All prices are subject to change.
