condition mean min max 4 h after light 40.9 40.9 40.9 8 h after light 15.15 9.5 20.8 12 h after light 6.8 3.9 9.7 4 h after dark 25.35 17.6 33.1 8 h after dark 13.6 12.0 15.2 12 h after dark 22.95 3.6 42.3