UMC202HD and Jitter

[Yowst]

Hello everyone. I'd like to ask a question about jitter. I connect the control unit of my Roland electronic drums to the computer with Behringer UMC202HD USB interface. The latency value is approximately 4 ms and is OK but the Jitter input and Jitter output values fluctuate continuously. They almost always remain on the green but sometimes, for a moment, they exceed 0.50 ms and turn yellow. I haven't figured out if this can only affect sound quality or even latency. In addition, I would like to know how I can make the Jitter stable and keep it constantly on the green. Thanks.

I second the question. Why does jitter fluctuate? Does it matter? Can anything be done to settle it down if it does?

 In my experience the jitter fluctuates and that is ok, als long as it will not turn red. Even if that occurs very occasionally you are ok. If it is in the red regularly, jitter will add latency.