Fishing Sunday 6\14

Drifted northeast of west sister in 32 fow. Casting weapons and drifting bottom bouncer with no luck with the eyes. Switched to perching in the same area and caught 30 of them in two hours with two guys. We ran out of minnows, otherwise i'm sure we would have caught our limit. Most were in the 8in. to 11 in. range. Are there usually perch in this area during this time of year, or is this somewhat unusual? Also, does anybody have any advice on drifting and casting for eyes? I haven't been having too much luck this year using this technique. Thanks in advance.