The average price of a gallon of self-serve regular gasoline in Los Angeles County dropped Saturday for the 18th time in 19 days, decreasing 1.4 cents to $4.093, its lowest amount since Sept. 29.

The average price has decreased 16.5 cents over the past 19 days, including 1.5 cents Friday, according to figures from the AAA and Oil Price Information Service. The decreases follow a 21-day streak of increases totaling 58.6 cents that pushed it to its highest amount since July 21, 2015.

The average price is 9.6 cents less than one week ago but 19.2 cents more than one month ago and 23.1 cents higher than one year ago. It has risen 70.2 cents since the start of the year.

The Orange County average price dropped for the 18th time in 21 days, decreasing 1.7 cents to $4.051, its lowest amount since Sept. 28. It has decreased 17.2 cents over the past 21 days, including seven-tenths of a cent Friday, after rising to its highest amount since July 22, 2015.

The Orange County average price is 10.2 cents less than a week ago but 17.6 cents more than a month ago and 24.2 cents higher than one year ago. It has risen 70.2 cents since the start of the year.

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