condition mean min max 4 h after light 1.9 1.9 1.9 8 h after light 7.3 2.6 12.0 12 h after light 23.85 14.6 33.1 4 h after dark 10.950000000000001 5.8 16.1 8 h after dark 3.25 2.9 3.6 12 h after dark 5.55 3.3 7.8