SPOKANE, Wash. – Gas prices in the Northwest have seen a decline, according to AAA data.

In Washington, the average price is now $4.15 per gallon, a decrease of 13 cents from last month.

The Tri-Cities area is experiencing prices around $3.70 per gallon.

In Spokane, drivers are seeing a slightly cheaper rate at around $3.75 per gallon. Idaho's average gas price is $3.21 per gallon, down 14 cents from last month.

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