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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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May 7, 2021

During April, the average contiguous U.S. temperature was 51.9°F, 0.9°F above the 20th-century average.

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May 4, 2021

New U.S. Climate Normals from NOAA encompass temperature and precipitation averages for the last three decades, 1991–2020.

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According to the May 4 U.S. Drought Monitor, moderate to exceptional drought covers 38.9% of the United States including Puerto Rico.

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April 26, 2021

Expected date of periodical cicada emergence tied to climate data.

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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 Archive


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