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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.

Calculating the Cost of Weather and Climate Disasters

Get to know our billion-dollar weather and climate disasters information, how it’s calculated, what it tells us, and why it’s so important.

When to Expect the Coldest Day of the Year

Find out when you should expect the coldest day of the year in your area with our map based on the U.S. Climate Normals.

What Is Space Weather?

Space weather develops from solar phenomena that can affect Earth’s technology, communications, and electrical systems.

What Is Paleoclimatology?

Paleoclimatology is the study of ancient climates, prior to the widespread availability of instrumental records.
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Access

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

Archive

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