Please note: Due to scheduled network maintenance, many NCEI systems will be unavailable Thursday, April 22 between 10:00 AM ET - 12:00 PM ET. We apologize for any inconvenience.
National Centers for Environmental Information
NOAA's National Centers for Environmental Information (NCEI) hosts and provides public access to one of the most significant archives for environmental data on Earth. We provide over 37 petabytes of comprehensive atmospheric, coastal, oceanic, and geophysical data.
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Featured News
April 19, 2021
Historical Climate Data for the Globe
NOAA contributes to an international effort to offer a collection of historical climate data for global uses.
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April 20, 2021
2021 Mountain Science Expo: Backyards, Beakers, and Beyond
NCEI returns to the annual regional science festival virtually.
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April 14, 2017
Easy Ways to Become a Citizen Scientist
Find simple ways to become a citizen scientist with NCEI.
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April 8, 2021
Assessing the U.S. Climate in March 2021
During March, the average contiguous U.S. temperature was 45.5°F, 4.0°F above the 20th-century average.
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NCEI maintains one of the most significant archives on Earth, with comprehensive oceanic, atmospheric, and geophysical data. We archive over 229 terabytes of data each month from over 130 observing platforms.
How to ArchiveAccess
NCEI provides access to an extensive archive of environmental data through several platforms. We deliver the climate, coastal, oceanographic, and geophysical data you need in a variety of formats.
How to Access