So i had about 3/4 of a pan of unlit charcoal and added 3/4 of lit chimney (minion). My brand new WSM 18.5 peaked at 225 and was steady at 200-205 for a 4 1/2 cook of a tenderloin and chicken. I did fill the water pan, is that to explain for the low temp? I was fine with it because the meat was...