It was the 54th day this year that the official reading at Phoenix Sky Harbor Airport made the mark, eclipsing the previous record of 53 days set in 2020. An extreme heat warning remained in effect, with temperatures forecast at 111 F (43.9 C) on Sunday and 106 F (41.1 C) on Monday. The daily average temperature of 97 F (36.1 C) in June, July and August passed the previous record of 96.7 F (35.9 C) set three years ago. In July, Phoenix also set a record with a 31-day streak of highs at or above 110 F (43.3 C). As of Saturday, Phoenix has tallied 104 days this year with temperatures over 100 F (37.7 C), Salerno said.

Source: Daily Sun September 11, 2023 02:34 UTC