

During the day, the heat built up so early that the city hit the 110 mark a couple minutes before noon.ĭog parks emptied out by the mid-morning and evening concerts and other outdoor events were cancelled to protect performers and attendees. On Monday, the city also set a record for the hottest overnight low temperature: 95 F (35 C). With Tuesday’s low of 94 F (34.4 C), the city has had nine straight days of temperatures that didn’t go below 90 F (32.2 C) at night, breaking another record there, according to National Weather Service meteorologist Matt Salerno, who called it “pretty miserable when you don’t have any recovery overnight.” The lack of a nighttime cooldown can rob people without access to air conditioning of the break their bodies need to function properly. “When you have several million people subjected to that sort of thermal abuse, there are impacts,” said NOAA Climate Analysis Group Director Russell Vose, who chairs a committee on national records.įor Phoenix, it’s not only the brutal daytime highs that are deadly.
