FILE - A person tries to cool off in the shade as temperatures are expected to hit 116-degrees Fahrenheit, Tuesday, July 18, 2023, in Phoenix. Arizona’s health department has named a physician to address ways to lessen the effects of extreme heat in the arid Southwestern state as the first statewide heat officer in the nation. (AP Photo/Ross D. Franklin, File)
FILE - A man wipes his brow as he walks under misters, Thursday, July 13, 2023, in downtown Phoenix. Arizona’s health department has named a physician to address ways to lessen the effects of extreme heat in the arid Southwestern state as the first statewide heat officer in the nation. (AP Photo/Matt York, File)
FILE - A jet takes flight from Sky Harbor International Airport as the sun sets over Phoenix, July 12, 2023. Public health officials in Arizona’s most populous county on Wednesday, March 13, 2024 reported it has confirmed there were a staggering 645 heat-associated deaths last year — another consecutive annual record in arid metro Phoenix. The numbers in the preliminary report alarmed officials in America's hottest big city and county, raising concerns about how to better protect vulnerable groups such as homeless people and older adults from the blistering summer heat. (AP Photo/Matt York, File)