condition mean min max 4 h after light 100.6 100.6 100.6 8 h after light 63.85 63.0 64.7 12 h after light 77.6 44.5 110.7 4 h after dark 130.75 113.6 147.9 8 h after dark 125.44999999999999 115.3 135.6 12 h after dark 132.6 67.8 197.4