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Please note: Due to scheduled maintenance, many NCEI systems will be unavailable June 5 8AM to 5PM. We apologize for any inconvenience.

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 June 2, 2020

According to the June 2 U.S. Drought Monitor, moderate to extreme drought covers 16.7% of the United States including Puerto Rico.

Educational Support Through NOAA

Find NOAA-sponsored authoritative educational resources free for the public.

Assessing the Global Climate in April 2020

The global land and ocean temperature departure from average for April 2020 was the second highest on record for the month of April.

Assessing the U.S. Climate in April 2020

During April, the average contiguous U.S. temperature was 50.9°F, 0.2°F below 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