condition mean min max 4 h after light 119.3 119.3 119.3 8 h after light 113.5 84.8 142.2 12 h after light 88.30000000000001 70.7 105.9 4 h after dark 137.7 125.8 149.6 8 h after dark 165.85 155.5 176.2 12 h after dark 177.35 151.5 203.2