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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. Through the Center for Weather and Climate and the Center for Coasts, Oceans, and Geophysics, we provide over 25 petabytes of comprehensive atmospheric, coastal, oceanic, and geophysical data.

Assessing the U.S. Climate in November 2019

Coast-to-coast snowstorms cause travel delays during Thanksgiving week

NCEI Initiates New Data Volume Reporting Method

To ensure appropriate planning for and reporting of its archiving systems, NCEI recently changed the way it calculates archive data volumes.

U.S. Drought Monitor Update for December 3, 2019

According to the December 3 U.S. Drought Monitor, moderate to extreme drought covers 9.9% of the United States including Puerto Rico.

Automation Improves Access to Data

Access to hourly precipitation data speeds up with new improvements to a set of widely used observations.
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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 data


NCEI maintains one of the most significant archives on Earth, with comprehensive oceanic, atmospheric, and geophysical data. We archive over 26 terabytes of data each month from over 130 observing platforms.

How to archive data