Prior to the declines, diesel prices had gained 22.6 cents. This week's reading is about 16 cents higher than the same week last year, when it was $2.615.
In California, prices averaged as high as $2.948. Other areas where prices were high included the Central Atlantic and West Coast regions, where it averaged $2.90 and $2.888, respectively. The lowest prices were found in the Gulf Coast and Lower Atlantic regions, at $2.724 and $2.738, respectively.
Gasoline was also down about a penny this week, averaging $2.629. This was about 81.8 cents higher than the price during the same week last year.
Meanwhile, crude oil jumped $1.40 Monday, ending at $77.45 a barrel on the New York Mercantile exchange, according to the Associated Press. Crude prices went up on news of Iranian naval vessels seizing a racing yacht with five U.K. nationals, the AP says.