condition mean min max 4 h after light 28.9 28.9 28.9 8 h after light 31.3 23.5 39.1 12 h after light 12.25 3.9 20.6 4 h after dark 8.85 7.1 10.6 8 h after dark 7.65 7.2 8.1 12 h after dark 17.9 15.6 20.2