Please note: Due to scheduled maintenance, many NCEI systems will be unavailable Wednesday, July 17th, 2:00 AM ET - 9:00 AM ET. We apologize for any inconvenience.
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Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
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The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
Please note: NCEI is experiencing network issues affecting access to some datasets. We are working to resolve these issues as soon as possible. We apologize for any inconvenience.