condition mean min max 4 h after light 5.2 5.2 5.2 8 h after light 40.25 34.8 45.7 12 h after light 18.650000000000002 4.2 33.1 4 h after dark 34.45 18.9 50.0 8 h after dark 30.0 26.8 33.2 12 h after dark 25.3 23.1 27.5