condition mean min max 4 h after light 82.6 82.6 82.6 8 h after light 81.45 62.9 100.0 12 h after light 98.15 75.9 120.4 4 h after dark 131.95 124.9 139.0 8 h after dark 121.44999999999999 110.8 132.1 12 h after dark 120.05000000000001 116.4 123.7