LOS ANGELES (CBS) — It’s only February and gas prices in some areas have already reached $4 a gallon.

The average price of a gallon of self-serve regular gasoline in Los Angeles County Friday recorded its largest daily increase since Feb. 25, 2011, rising 4.9 cents to $3.996, the highest since June 7. According to the Automobile Club, several stations are already posting $4 per gallon for self-serve regular gas.

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The average price has risen 25.2 cents over the past 24 days, including 3.3 cents on Thursday.

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The Orange County average price also recorded its largest daily price increase since last year, increasing 5 cents to $3.989, its highest amount since June 4.

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