condition mean min max 4 h after light 16.0 16.0 16.0 8 h after light 40.85 36.6 45.1 12 h after light 31.7 27.4 36.0 4 h after dark 10.7 8.7 12.7 8 h after dark 13.7 5.1 22.3 12 h after dark 12.7 3.7 21.7