Most Popular Data
Click on one of the links below to jump to the details of the listed data set or product:
- Local Climatological Data, U.S.
- Global Historical Climate Network-Daily (GHCN-D)
- 1971-2000 U.S. Climate Normals Products
- Climatological Data Publication
- Storm Data Publication/Database
- Hourly Precipitation Data Publication
- Annual Climatological Summary, U.S.
- DSI 3505 - Integrated Surface Data, Hourly, Global
- Climate Maps of the United States
- Historical Significant Events Imagery
- DSI 3240 - Hourly Precipitation, U.S.
* The links below represents the most popular datasets and products available from NCDC.
1. Local Climatological Data, U.S. | ||
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Description: hourly, daily & monthly climatic data for many U.S. cities | ||
Quality Controlled Local Climatological Data (QCLCD) | Free online. Jan. 2005 and later ONLY. | |
QCLCD ASCII files | Compressed QCLCD ASCII files for the periods between 2005 and 2007 | |
Unedited Local Climatological Data (ULCD) | Free online. Data prior to 2005 ONLY. | |
Edited Monthly (Online LCD) | Certification option. (all stations) | |
Edited Annual (Online LCD Annual) | all stations | |
Additional Information: Certified Data DVD Station List Offline Options | ||
Back to the top | Period of record: varies by station |
2. Global Historical Climate 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 COOP data. | ||
GHCN-Daily | Choice of standard PDF, custom CSV, or custom text file | |
GHCN-Daily FTP/HTTP Access | Data files via FTP/HTTP | |
Individual Station Original | Original COOP forms (PDF) | |
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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Back to the top | Period of record: 1800s to current |
3. 1971-2000 U.S. Climate Normals Products | ||
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Description: long-term climatic averages & extremes for U.S. locations | ||
CLIM 20 Station Summaries | Climatography of the U.S. #20. Also available on CD-ROM. | |
CLIM 81 Monthly Normals | 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 | 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. | |
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. | |
Additional Information: Offline Options, 2000 to 2010 data available through Climate Data Online | ||
Back to the top | 1971-2000 Normals Products Page |
4. Climatological Data Publication | ||
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Description: daily & monthly climatic data for hundreds of locations within a U.S. state | ||
Individual Monthly Issue | Free online. | |
Individual Annual Issue | Free online. | |
Additional Information: DVD Offline Options | ||
Back to the top | Period of record: 1890 - Current |
5. Storm Data Publication/Database | ||
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Description: severe weather reports on damages, injuries, deaths, etc. for U.S. locations | ||
Storm Data (final) | Available online | |
NCDC Storm Events Database | Search engine tool for severe weather events by location. | |
Additional Information: DVD Offline Options | ||
Back to the top | Period of record: 1950 - Current |
6. Hourly Precipitation Data Publication | ||
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Description: collection of hourly precipitation data for many locations within a U.S. state | ||
Individual Monthly Issue | Free online. | |
Individual Annual/Dec. Issue | Free online. | |
Additional Information: DVD Offline Options | ||
Back to the top | Period of record: 1951 - Current |
7. Annual Climatological Summary, U.S. | ||
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Description: monthly & annual climatic statistics for a single U.S. location | ||
Individual Station | Free online. Service and handling charges apply to offline orders. | |
Additional Information: Offline Options | ||
Back to the top | Period of record: 1948 - Current |
8. DSI 3505 - Integrated Surface Data, Hourly, Global | ||
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Description: digital dataset of detailed hourly observational climate data for thousands of locations worldwide | ||
3505/CDO | Free Online; Offline Options: $140 and up. | |
3505 FTP data access | Free Access to complete dataset, archival format only. | |
Additional Information: Metadata/Software Station History DVD QC Offline Options | ||
Back to the top | Period of record: 1901 - Current |
9. 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 | FREE! For online viewing. | |
Selected Maps Publication | $10 for published set of 20 maps. | |
Additional Information: CD-ROM version Documentation Offline Options | ||
Back to the top | Period of record: 1961 - 1990 |
10. Historical Significant Events Imagery | ||
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Description: satellite imagery photographics during a wide selection of historically significant dates & times | ||
HSEI Most Popular | Prints: Variable pricing ($5 and up) | |
HSEI Posters | $18 per poster | |
Additional Information: Quick Search Help/Links Offline Options | ||
Back to the top | Period of record: 1960 - Current |
11. DSI 3240 - Hourly Precipitation, U.S. | ||
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Description: digital dataset of hourly precipitation data for thousands of U.S. locations | ||
Hourly and 15-minute precipitation data | Free Online; Offline Options: $80 and up. | |
Additional Information: Offline Options | ||
Back to the top | Period of record: 1948 - Current |
*Notes
- With few exceptions, access to online data (online meaning available through our website for online delivery) is now free to everyone.
- Period of record shown indicates 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. NCDC's 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 can be certified for court online. For ordering certified copies of items where certifications are not offered online, please contact NCDC. For more information, please see the note on certifications on our NCDC Ordering page.
- Some items ordered online may require 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 website. Contact NCDC for availability, pricing and ordering information. Many items cost more when ordered offline.
- Some products require Adobe Acrobat Reader.
- All prices are subject to change.