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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.

Accounting for Natural Variability in Our Changing Climate

An alternative method has been developed for U.S. averages of temperature and precipitation that accounts for climate variability and change.

U.S. Drought Monitor Update for August 6, 2019

According to the August 6 U.S. Drought Monitor, moderate to extreme drought covers 5.6% of the United States including Puerto Rico.

Recording Global Precipitation: CMORPH

A new Climate Data Record provides operational global precipitation data.

Hurricane Research Gains Ground

In the interest of protecting lives and property, new research focuses on tropical cyclone behavior.
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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