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. We provide over 37 petabytes of comprehensive atmospheric, coastal, oceanic, and geophysical data.
Looking for Data?
Recent Weather
Our new tool will give you access to past weather data. To access future weather forecasts, please access the National Weather Service. For other weather products, please view our Climate Monitoring page.
Featured News
January 25, 2022
Study Finds Strong Marine Heatwaves in the Arctic
A study authored by NCEI scientists shows an increase in the intensity, duration, frequency, and coverage of Arctic marine heatwaves.
January 19, 2022
NOAA Addresses Climate in Each State
NOAA’s new State Climate Summaries for all 50 states plus Puerto Rico and the U.S. Virgin Islands give a localized look at the state of the climate.
January 21, 2022
NCEI Leads International Data Standard
A new international data standard, led by NCEI, for discrete bottle-based data is documented in a new paper.
January 20, 2022
Participating in the 2022 AMS Annual Meeting
NCEI scientists and staff showcase their work and knowledge during the 2022 annual meeting of the American Meteorological Society.
Archive
NCEI maintains one of the most significant archives on Earth, with comprehensive oceanic, atmospheric, and geophysical data. We archive over 229 terabytes of data each month from over 130 observing platforms.
How to ArchiveAccess
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