The national average price for diesel rose 1.7 cents for the week ending Monday, Jan. 30, according to the Energy Information Administration.

The national average of $2.489 per gallon marked the second week of increases in a row, following a slight dip in mid-January.

California saw the biggest increase, with prices jumping 5.9 cents to $2.733 per gallon. The rest of the West Coast, by contrast, was nearly 10 cents lower at $2.640 per gallon. Even that, however, was a 3.2-cent increase from the previous week.

The lowest prices, meanwhile, were found in the Midwest, where prices rose less than a penny to $2.431 per gallon. The Gulf Coast wasn’t too much more at $2.455 per gallon.

The Rocky Mountain region saw a 3.9-cent increase – the second highest in the country – to $2.474 per gallon.

Prices in the Lower Atlantic region rose slightly to $2.481 per gallon. The Central Atlantic was significantly higher at $2.618 per gallon. The New England region posted the only decrease for the week, falling less than a penny to $2.661 per gallon.

The East Coast as a whole posted an average of $2.530 per gallon for the week.