National Climatic Data Center 
Skip to main content
Skip to site search
  • Home
  • Climate Information
  • Data Access
  • Customer Support
  • Contact
  • About
Search for articles, products, and data at the National Centers for Environmental Information
Home > Climate Monitoring > Monitoring References > Frequently Asked Questions
April US Release: Fri, 7 May 2021, 11:00 AM EDT

Frequently Asked Questions

  • Climate Monitoring
  • State of the Climate
  • Temp, Precip, and Drought
  • Climate at a Glance
  • Extremes
  • Societal Impacts
  • Snow and Ice
  • Teleconnections
  • Monitoring References
  • Global Warming — A general overview of global warming and the science behind its understanding.
  • Global Temperature Uncertainty — National Climatic Data Center Frequently Asked Questions for Uncertainty of Global Temperature Estimates
  • Temperature Monitoring — Monitoring global and U.S. temperatures at NOAA's National Centers for Environmental Information
  • Global Climate Change Indicators — Latest information of observed climate change illustrating global warming
  • Greenhouse Gases — An introduction to the major greenhouse gases in the earth's atmosphere. The FAQ discusses the relative potency, concentration and expected atmopsheric lifetime.
  • NCEI's Global Temperature Anomalies Dataset — The Merged Land and Ocean Surface Temperature data are presented as anomalies (departures from a long-term average) on a five-degree by five-degree global grid. The period of record is January 1880 through the most recent month.
  • NOAA's official responses to congressional hearing on climate change and adaptation
  • NCEI Director Thomas Karl's written testimony on climate change adaptation before the House Committee on Energy and Commerce and Subcommittee on Energy and Environment
Click to visit the U.S. Department of Commerce Website Click to visit USA.gov Click to visit Ready.gov
  • NCEI
  • About
  • Site Map
  • Privacy
  • FOIA
  • Information Quality
  • Disclaimer
  • Department of Commerce
  • NOAA
  • NESDIS
Department of Commerce  > NOAA  > NESDIS  > NCEI > NCDC