condition mean min max 4 h after light 10.3 10.3 10.3 8 h after light 7.0 5.8 8.2 12 h after light 3.5 1.9 5.1 4 h after dark 10.3 5.2 15.4 8 h after dark 33.5 25.8 41.2 12 h after dark 16.599999999999998 3.3 29.9