condition mean min max 4 h after light 82.6 82.6 82.6 8 h after light 92.9 75.1 110.7 12 h after light 50.550000000000004 33.7 67.4 4 h after dark 92.5 90.4 94.6 8 h after dark 72.45 62.9 82.0 12 h after dark 89.5 86.5 92.5