I'm doing my first Boston Butt (2 at 7 lbs). Started at 4:30 am local time (Pacific). I'm currently at about 12 hours total time at 230 degrees(although I did kick the temp up to 270 about an hour ago). For the last hour or two the internal temperature just seemed to stall, in fact, it decreased several degrees from 186 to 182 about 1.5 hours ago. The cooker temp never decreased. Is this normal? It seems they just don't want to get to my desired temperature of 190 degrees. I probed with an instant read thermometer to make sure my digital is accurate. Is this normal?
LBGE - July 2012