The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The http:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
Solar Irradiance Content Consolidation Alert
Please note: On May 25th this page will be unpublished. The content from this page now resides on the Total Solar Irradiance Page, and dataset information is available in NOAA OneStop. Send questions or comments to ncei.info@noaa.gov.