6am was 81 on that date in 2012, 80 on 6/23/24, and 80 this morning.
7am was 80 in 2012, 80 on 6/23/24, and 81 this morning.
So we very likely tied the 7am record less than three weeks ago and broke it today (assuming the 82 at that hour on August 5, 1989 is as invalid as the other readings from that summer).