Data: EPA; Note: Includes 50 most populated metros; New York City, Houston, Minneapolis-St. Paul and Denver were excluded for incomplete data in this period; Chart: Axios Visuals
Heat waves in Raleigh and the rest of the nation are growing longer, according to new data from the EPA.
The big picture: The data, part of a wider new report on climate metrics, show heat trends in the 50 largest U.S. metro areas.
Heat waves are becoming longer, more frequent and more intense.
How it works: EPA tracked events of two or more consecutive days when daily, humidity-adjusted temps topped the 85th percentile of historical July-August temps in 1981-2010.