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.

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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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New Regional Climatologies Released

The Northern North Pacific and Northeast Pacific Regional climatologies play a significant role in long-term Earth and ocean climate change.

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Assessing the U.S. Climate in October 2019

Extremes in both temperature and precipitation characterize October across the contiguous U.S.

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U.S. Drought Monitor Update for November 12, 2019

According to the November 12 U.S. Drought Monitor, moderate to extreme drought covers 12.9% of the United States including Puerto Rico.
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The Ongoing Study of Global Change

Scientific partners contribute to a sustained effort to understand the underlying factors driving global climate change.
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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.
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Reporting on the State of the Climate in 2018

We’re announcing the release of the State of the Climate in 2018 report, an annual assessment of Earth’s climate system.
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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