Land-Based Station Data
Datasets and Products
Access NCDC's land-based datasets directly.
Find a Station
Locate a station by using either a map tool or a location and data search tool.
Find details such as begin/end date for a station and when there was a change in equipment or siting.
Climate Data Online (CDO)
Discover past weather and climate data from NCDC's archive using this web access application.
View monthly publications for a variety of datasets along with serial publications and other documents.
NCDC Web Services
Use these Web Services for programmatic access to NCDC data. Create your own scripts or programs that use the CDO database of weather and climate data.
HDSS Access System
Get direct online access through the HDSS Access System to some of NCDC's land-based station data holdings that are archived on tape.
For large amounts of data, download ASCII files of the following products from our FTP area. This type of access is for individuals who have experience with FTP and programming languages. We recommend that you review any readme.txt files prior to downloading the data.
- NWS Cooperative Summary of the Day (3200)
- Summary of the Day, 1st Order Stations (3210)
- National Solar Radiation Data Base (3284)
- Integrated Surface Hourly Data Base (3505)
- ASOS 1 Minute Data (6405)
- ASOS 5 Minute Data (6401)
- 15 Minute Precipitation (3260)
- Hourly Precipitation (3240)
- Climate Indices (National, Regional, Statewide, Divisional)