When those records come in, the agency checks their quality and calculates where the numbers fit historically. and its global calculations incorporate data from more than 100,000 stations, Vose said. NOAA tracks weather observations from tens of thousands of stations throughout the U.S. “I think we need to get away from that sort of record-setting sensationalism at some level and really be getting down to the hard work,” he said, addressing the need for people to adapt to a warmer world and get serious about slashing emissions causing hotter, more extreme weather. The daytime heat was accompanied by a record stretch of nights that never fell below 90 Fahrenheit (32.2 Celsius). It kept going, reaching a 22nd straight day on Friday. cities on Tuesday when it marked a 19th consecutive day of unrelenting mega heat: 110 degrees Fahrenheit (43.3 Celsius) or more. Phoenix grabbed headlines among major U.S. Still, some local specifics are striking: Death Valley has flirted this summer with the hottest temperature in modern history, though that 134 degree Fahrenheit (56.7 Celsius ) record is in dispute. So the hottest global June is “extremely unlikely” to happen without climate change, as opposed to one city’s daily record, Texas state climatologist John Nielsen-Gammon said. The larger the geographic area and the longer stretch of time during which records are set, the more likely the conditions represent climate change rather than daily weather. My calculations suggest that there’s, right now, a 50-50 chance.” “Records go back to the late 19th century and we can see that there has been a decade-on-decade increase in temperatures,” said Gavin Schmidt, director of NASA’s Goddard Institute for Space Studies, keeper of the agency’s climate records. “What’s happening now is certainly increasing the chances that 2023 will be the warmest year on record.
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