The national average price for diesel shot up more than 11 cents for the week ending April 17, according to the U.S. Energy Information Administration.

The average rose to $2.765 per gallon, its highest level and biggest weekly increase since October 2005. For the second week in a row, prices surpassed the $2.62 per gallon summer average predicted by the EIA in its summer fuel outlook, which was issued April 11.

The highest average price was found it California at $2.933 per gallon. Ironically, that state also posted the lowest increase, at 5.2 cents. The rest of the West Coast jumped 6.9 cents to $2.881 per gallon.

The biggest increases were found in the normally steady Midwest and Gulf Coast regions, where prices jumped a staggering 12.1 cents to $2.735 and $2.725 per gallon, respectively.

The Rocky Mountain region was slightly higher than those areas, coming in at $2.756 per gallon.

The East Coast posted some significant increases as well, with the region as a whole rising 11.2 cents to $2.788 per gallon.

Within the East Coast region, New England rose to $2.865 per gallon and the Central Atlantic climbed to $2.876 per gallon. The Lower Atlantic, meanwhile, rose 11.4 cents to $2.743 per gallon.