condition mean min max 4 h after light 106.5 106.5 106.5 8 h after light 118.85 109.8 127.9 12 h after light 119.4 71.4 167.4 4 h after dark 135.85 108.2 163.5 8 h after dark 158.75 148.7 168.8 12 h after dark 185.10000000000002 153.9 216.3