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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.

U.S. Drought Monitor Update for September 18, 2018

According to the September 18 U.S. Drought Monitor, moderate to exceptional drought covers 26.2% of the United States.

Assessing the U.S. Climate in August 2018

During August 2018, the average contiguous U.S. temperature was 73.6°F, 1.5°F above the 20th century average.

What’s a USCRN Station?

The U.S. Climate Reference Network’s observing stations are equipped with a standard set of sensors to monitor climate.

Regional Climate Centers: Hubs of Local Expertise

Learn about the Regional Climate Centers that support NOAA and expand the understanding of climate and weather across the Nation.
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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