condition mean min max 4 h after light 108.4 108.4 108.4 8 h after light 98.85 90.3 107.4 12 h after light 113.8 108.3 119.3 4 h after dark 131.64999999999998 129.2 134.1 8 h after dark 136.15 128.4 143.9 12 h after dark 100.45 92.2 108.7