Chinese AI DeepSeek says there has been a significant increase in the number of 90F and 95F days in the US, including Pennsylvania.
NOAA data shows a decrease in the number of 90F and 95F days in the US and Pennsylvania.
Pennsylvania – State Climate Summaries 2022
Wyoming – State Climate Summaries 2022
The percentage of stations reaching 90F during the year, as well as the percent of days over 90F and 95F have all declined.