Got a Cateye Strada trip computer last week. Averaged 100 miles at 14.5 mph on various commute routes since. A higher number of miles than normal due to shifts but happy with the speed as I like to coast to lights and hit them on green rather than wait at them on red.
Most of time i was between 16 - 22 mph with uphills at 8 - 13 mph. The hills are getting easier though!