condition mean min max 4 h after light 23.4 23.4 23.4 8 h after light 8.75 1.4 16.1 12 h after light 10.1 3.4 16.8 4 h after dark 1.35 0.5 2.2 8 h after dark 2.7 2.4 3.0 12 h after dark 2.4499999999999997 0.6 4.3