(Bloomberg) -- San Francisco gasoline prices at the pump may hit a fresh record high after two area refineries experienced mechanical disruptions following historic downpours.  

Physical gasoline prices jumped 12.5 cents Monday to the strongest premium over Nymex gasoline futures since mid-August. Retail prices in the city were averaging $4.727 a gallon Monday, just a penny short of their record high set in 2012, according to AAA data. Prices at the pump typically trail movements in the physical market.

PBF Energy Inc.’s refinery in the Bay Area experienced an operational upset, according to a regulatory filing. Chevron Corp.’s nearby Richmond refinery shut multiple units Sunday morning, according to a report from Wood Mackenzie Genscape. Those two disruptions come on top of scheduled maintenance at Valero Energy Corp.’s Benicia refinery since the start of the month.  

The latest rise in pump prices comes as the country is already experiencing nationwide fuel costs at the highest in seven-years, stoking concerns about inflation.  

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