This map shows the high temperature that occurs an average of 1/4 of the days annually (~91 days). At least 1/4 of days are this temp or warmer. Sample values:
Anchorage: 60F
Boston: 75F
Dallas: 91F
Denver: 82F
D.C.: 83F
Miami: 90F
New York: 79F
Phoenix: 102F
Seattle: 70F pic.twitter.com/Z0zqKrqxT3

— Brian Brettschneider (@Climatologist49) May 18, 2022