condition mean min max 4 h after light 96.8 96.8 96.8 8 h after light 73.0 56.8 89.2 12 h after light 97.05000000000001 88.2 105.9 4 h after dark 116.5 106.9 126.1 8 h after dark 87.1 80.8 93.4 12 h after dark 71.9 52.9 90.9