Tips for mining with my 2070 Super

Hey everyone, I'm new to mining and I'm using my 2070 Super to do it, so far so good, what concerns me is the temperatures. I'm getting around 58C/82C on my GPU, I assume the 82C is the Temp of the memory, that's too high isn't it? Or is it ok to keep at that temp, I'm getting 21MH/s too, any tips for tuning the GPU? Plaining on using my 2070 Super when my PC is on Idle or I'm sleeping.