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EPA partners with more than 40 data contributors from various government agencies, academic institutions, and other organizations to compile a key set of indicators related to the causes and effects of climate change.

This indicator examines U.S. and global surface temperature patterns over time.

This indicator describes trends in unusually hot and cold temperatures across the United States.

This indicator describes trends in average precipitation for the United States and the world.

This indicator tracks the frequency of heavy precipitation events in the United States.

This indicator examines changes in the size and frequency of inland river flood events in the United States.

This indicator examines the frequency, intensity, and duration of hurricanes and other tropical storms in the Atlantic Ocean, Caribbean, and Gulf of Mexico.

This indicator measures drought conditions of U.S. lands.

This feature provides a closer look at trends in temperature and drought in the southwestern United States.