I too tend to go during the "off season" but have experienced summer crowds just recently.
Indy: 25 min (mainly just FP)
Pirates: 25 min
HM: 25 min
HMH: N/A - I haven't been on it and Nightmare scares me
Splash: 30 min (honestly, FP)
Big Thunder: 25 min
Peter Pan: 40 min
Matterhorn: 15 min
IASW: 20 min (longer if it isn't very sunny)
Roger Rabbit: 5 min (or FP and go meet characters)
Space Mountian: 40 min
Star Tours: 10 min
Buzz: N/A - based of WDW, FP only please.