HOLLAND, MI (WHTC) - Gas prices along the Lakeshore are up slightly over the past seven days, but have slid steadily since last weekend’s storm-related spike. Holland area stations this morning posted a per-gallon average of $3.38, seven cents more than not only last Friday, but also a year ago at this time. Rats ranged from $3.34 to $3.49. Fuel had slid to near $3.20 at some retailers on Saturday morning before it rose to around $3.55. Triple A’s daily survey had marks of $3.50 nationally and $3.45 statewide; that's down eight cents and up four pennies, respectively, over the past week.