condition mean min max 4 h after light 86.4 86.4 86.4 8 h after light 105.9 89.8 122.0 12 h after light 146.65 103.4 189.9 4 h after dark 122.2 114.0 130.4 8 h after dark 172.10000000000002 135.9 208.3 12 h after dark 140.95 105.4 176.5