Skip to main content

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.

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.

U.S. Drought Monitor Update for December 4, 2018

According to the December 4 U.S. Drought Monitor, moderate to exceptional drought covers 18.9% of the U.S.

Assessing the Global Climate in October 2018

The global land and ocean temperature departure from average for October 2018 was second highest on record for the month of October.

Data in Action: From Petabytes to Practical Uses

Find out how NCEI’s treasure trove of data support innovation, enterprise, and decision-making.
view more news »


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