condition mean min max 2 h after light 0.020998166666666665 0.0 0.125989 6 h after light 0.0 0.0 0.0 10 h after light 0.018641166666666667 0.0 0.111847 14 h after light 0.0 0.0 0.0 18 h after light 0.026012166666666666 0.0 0.156073 2 h after dark 0.026164999999999997 0.0 0.15699