Records that survive fifteen years rarely fall by much. Sky Harbor International Airport, the National Weather Service's official station for Phoenix, reached 115 degrees at 3:05 p.m. Saturday — two degrees above the August 22 mark of 113 set in 2011. [1] The margin is the story's quietest fact. A city does not shatter late-August ceilings; it edges past them, because a normal hot day already sits within reach of one. Daily marks are a newspaper's cheapest trophies. The expensive ones — warmest month, hottest overnight low — measure accumulation, and those are where this summer keeps writing its name.

History gives the threshold its weight. Phoenix's all-time high remains 122 degrees from June 26, 1990. The longest run of 115-degree days lasted six, June 15 through 20, 2021, and the most 115-degree days in any year is fourteen, set in 2020. An average year offers about twenty-one days at or above 110. [2] Saturday joined that second tier — extreme, but not unprecedented — which is precisely why its record mattered less than what surrounded it: this paper counted 332 daily records nationally on Friday alone yesterday. [3]

Daily records are low bars by design; they measure a date against itself. The metrics that track a warming city are streaks and overnight lows, where the 2020s keep writing new entries. Saturday added a line to an old column. The trend lives elsewhere. [2]

-- DARA OSEI, London