Chicago, IL, Nov. 20- Motorists driving for holiday may be giving thanks for the recent downtrend in gasoline prices, but history will be broken as the national average will be the highest its ever been on Thanksgiving. Senior Petroleum Analyst Patrick DeHaan is estimating that the national average will sit at $3.43 per gallon on Thanksgiving, some 10 cents higher than it was in 2011. In Yakima, gasoline prices currently stand at an average of $3.56/g, compared to last Thanksgiving, when prices stood at an average of $3.69/g.

"Gasoline prices have continued their slow decline in the last week across a solid majority of the United States, with the national average sagging to its lowest level since this early summer," according to Senior Petroleum Analyst Patrick DeHaan. “Even though consumers are seeing gasoline prices decline in most parts of the country, and we’re certainly thankful for that, the national average will remain higher than where it was a year ago,” said Patrick DeHaan, senior petroleum analyst for