condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.016740599999999998 0.0 0.0502218 9 h after light 0.0 0.0 0.0 12 h after light 0.020838366666666667 0.0 0.0625151 3 h after dark 0.06421866666666666 0.0 0.192656 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0