ISD Derived Products
These data products are derived from the raw Integrated Surface Data.
- Global Surface Summary of Day
Web-based access to daily summary data derived from ISD hourly surface observations.
- Global Surface Summary of Day (FTP Access)
FTP-based access to daily summary data derived from ISD hourly surface observations.
- ISD-Lite (free access for .edu, .gov, .mil, and k12 domains)
An abbreviated subset of hourly observations derived from the raw ISD hourly data and assembled in a fixed-width format.
- ISD Summaries
Thirteen summaries of various parameters derived from ISD, such as a wind speed/direction frequency distribution.
- ISD CD-ROM and DVD-ROM Products
Integrated Surface Data available on CD-ROM and DVD-ROM can be purchased through the NCDC Online Store.
- Wind Rose
Wind rose graphics derived from ISD hourly surface data. These data are available through the NCDC GIS Portal. [ Sample ]
- ISD Graphics
Graphics and map-based data derived from ISD surface observations. These graphics products are available through the NCDC GIS Portal. [ Sample ]
Some products are free for all users. Others require fee-based access to recover cost of dissemination. Information regarding online data access policy can be obtained from the Free Access Information web page.