Bay Area drivers are getting walloped at the pump, with some paying upwards of $150 to fill up their tanks as gas prices surge across Northern California.Fresh data from the American Automobile Association shows every Bay Area county now averaging more than $5 a gallon, turning routine fuel stops into painful wallet-drainers.At roughly $5.50 per gallon, a driver filling up a 27-gallon SUV tank can expect to shell out about $148 to $150 for a full tank, the data shows.