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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.

September 2018 Regional Climate Impacts and Outlooks

The September 2018 three-month summaries of climate impacts and outlooks are available for 10 regions and subregions of the United States.

Monitoring and Studying Harmful Algae

Understanding harmful algal blooms requires efforts by many organizations and NOAA to monitor and study their occurrence.

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.
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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