condition mean min max 4 h after light 163.3 163.3 163.3 8 h after light 185.25 153.2 217.3 12 h after light 159.20000000000002 60.3 258.1 4 h after dark 98.1 60.8 135.4 8 h after dark 123.7 98.0 149.4 12 h after dark 72.6 68.1 77.1