There are so may factors that you can’t control, the really hot (90 degrees) days, the really cold (-45 degrees), the hockey playoffs, the football finals, the power off in the other half of the city (where all the other pizza joints are).
I am in a boom area so I have seen a 30% increase for this quarter over the same quarter last year. If I get so lucky to have this happen every year I will be rolling in the dough. (pun intended)