1. From Baseball-Reference stats from 1990 to present ...
Game time temps of 90+ total 6110 games:
BA .277
SLG .455
2. In 2017, the Majors slugged .391 in games where the temperature was 59 degrees or below. They slugged .479, nearly a hundred points higher, at 90 degrees and up.
My wagers:
Over 3' -120 1st 5 risk 1 unit
Over 7 -120 risk 3 units