Gas prices in Florida averaged $3.34 per gallon on Sunday. The state average was 3 cents higher than a week ago and only 3 cents below this year’s high of $3.37 per gallon. “Florida gas prices inched higher last week and are likely to get even more expensive either this week or next,” said Mark Jenkins, spokesman, AAA – The Auto Club Group. “Gasoline futures shot up 30 cents late last week. That’s an indicator that summer-blend gasoline has moved into the market. Drivers should expect a jump at the pump, but how much remains to be seen.” From March to April, refineries switch from producing wi…