Expert: Bay Area gas prices could drop under $4 per gallon

SAN FRANCISCO (KGO) -- Bay Area gas prices have jumped more than 50 cents in the last month, according to a AAA report. It shows California averaged $4.18 per gallon Monday.

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In San Jose, gas prices were up 57 cents from an average of $3.59 a gallon a month ago.

In San Francisco, gas prices increased by 53 cents from an average of $3.73 a gallon a month ago.

In Oakland, gas prices increased by 53 cents from an average of $3.65 a gallon a month ago.

Patrick DeHaan, an industry analyst at GasBuddy.com says relief is coming.

"As most cities in California have seen or are very close to a peak, gas prices could fall over 50c/gal by early/mid November now as refinery issues are abating. Don't be in a rush to fill your tank. I expect every city to drop back UNDER $4/gal in a few weeks," tweeted DeHaan.

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