condition mean min max 4 h after light 135.8 135.8 135.8 8 h after light 84.85 72.5 97.2 12 h after light 90.05000000000001 79.7 100.4 4 h after dark 83.55000000000001 78.2 88.9 8 h after dark 73.7 70.2 77.2 12 h after dark 63.0 36.6 89.4