Ok, so I was wrong. Caffeine deprivation will do that.
It was an incorrect assumption, not a false one, because it was not deliberate, just so you know.
There are many factors that determine how much feed you go through. They will eat more when it is cooler and when they are laying. Less when the new grass starts growing and bugs start hatching. Mice and songbirds will eat from your feeders making it look like you are going through more feed...