condition mean min max 4 h after light 118.0 118.0 118.0 8 h after light 102.4 101.6 103.2 12 h after light 129.2 118.7 139.7 4 h after dark 120.45 96.1 144.8 8 h after dark 119.39999999999999 105.1 133.7 12 h after dark 96.6 83.2 110.0