condition mean min max 4 h after light 14.0 14.0 14.0 8 h after light 23.75 22.5 25.0 12 h after light 13.3 6.3 20.3 4 h after dark 34.3 22.8 45.8 8 h after dark 25.25 15.4 35.1 12 h after dark 21.85 12.2 31.5