Crystal, Respectfully think you are thinking backwards. After working hard a battery will run down and voltage will start low and build as the alternator charges it. A half volt is splitting hairs. If all the grounds are not perfectly clean might account for that much. Someone somewhere added an extra green wire to the R/R to try to bring down voltage a bit Not sure if it helped.My several cars and the trike all seem to agree 13.6-14.0 is a sweet spot. 14.2 -14.6 is normal just after a big drain like start, but soon … very soon after that it's back "at" or "under" 14.0.