condition mean min max 4 h after light 5.2 5.2 5.2 8 h after light 3.2 2.7 3.7 12 h after light 3.55 2.1 5.0 4 h after dark 17.3 16.0 18.6 8 h after dark 26.299999999999997 13.8 38.8 12 h after dark 5.6000000000000005 0.9 10.3