California drivers battered by soaring gas prices are finally getting a small break at the pump — but only for a few hours. Circle K is bringing back its annual “ Fuel Day ” promotion Thursday, giving drivers up to 40 cents off per gallon of gas at participating company-owned locations. The discount will be available directly at the pump from 4 p.m. to 7 p.m., according to Circle K’s website. Circle K is offering 40 cents off per gallon of gas for three hours Thursday afternoon. Instagram/@circlekstores Samantha Walsh, 22, from Apple Valley, California pumps gas in Arizona to save money. Andy Johnstone for CA Post The convenience store giant said it will also donate 10% of profits earned during the three-hour event — up to $250,000 — to the Children of Fallen Patriots Foundation in observance of Memorial Day. The nonprofit provides college scholarships and educational counseling to military children who lost a parent in the line of duty.…