I also use YII pool, my 3 1080ti run at 2950 Mh/s and I'm getting about 340-350 DGB per card per 24 hours.
One my card(inno3d) is not so good and it run on 950 Mh/s and gets hot about 75 degrees... While EVGA runs at 1000 and has 55-60 temp.