Please note: NCEI user may experience intermittent outages affecting access to some datasets. We are working to resolve these issues as soon as possible. We apologize for any inconvenience.
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 https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
Please note: Due to scheduled maintenance, many NCEI systems will be unavailable Sunday, February 22, 12:00 PM ET - 4:00 PM ET. We apologize for any inconvenience.