Soooo, I put a butt on this morning and I need a little bit of understanding. This isn't my first one. Filled the ring with RO and lit the canister. Temp went up to 280 and I got it around 250 and put the butt on around 8:30. Filled the water pan and closed it all up. Temps were holding steady around 237. I went and got a haircut and came back at 12:15. Temp dropped to about 218. Adjusted it to about 240 again went about doing some other things. At about 1:30 temp dropped to about 186. Went out to stir the charcoal and there was almost none left!. Thing is with a full ring I thought I was gonna have some left. I took it off and wrapped it and it is currently in oven at 220. Vents were about 25% on bottom and 75% on top. It's a little windy and about 70. Thanks in advance