condition mean min max 4 h after light 89.9 89.9 89.9 8 h after light 129.85 94.2 165.5 12 h after light 141.35 135.0 147.7 4 h after dark 112.05000000000001 106.9 117.2 8 h after dark 105.3 78.4 132.2 12 h after dark 99.3 77.5 121.1