condition mean min max 4 h after light 112.4 112.4 112.4 8 h after light 69.4 34.2 104.6 12 h after light 148.55 109.4 187.7 4 h after dark 153.6 148.6 158.6 8 h after dark 115.30000000000001 55.2 175.4 12 h after dark 139.3 137.5 141.1