condition mean min max 0 h after light 0.04331965 0.0 0.0866393 4 h after light 0.06469835 0.0441273 0.0852694 8 h after light 0.0213909 0.0 0.0427818 4 h after dark 0.0851908 0.0424696 0.127912 8 h after dark 0.04276795 0.0425885 0.0429474 12 h after dark 0.08542815 0.0844875 0.0863688