condition mean min max 4 h after light 106.5 106.5 106.5 8 h after light 81.05 60.5 101.6 12 h after light 88.2 69.4 107.0 4 h after dark 114.8 103.0 126.6 8 h after dark 119.9 86.3 153.5 12 h after dark 88.05000000000001 86.7 89.4