condition mean min max 4 h after light 23.0 23.0 23.0 8 h after light 14.75 5.4 24.1 12 h after light 20.299999999999997 20.2 20.4 4 h after dark 8.95 6.6 11.3 8 h after dark 20.55 19.6 21.5 12 h after dark 16.75 15.2 18.3