Monthly average crude oil prices decreased in December. The average domestic crude oil first purchase price decreased $1.83 (3.2%) to $56.26 per barrel.
The average free-on-board (f.o.b.) cost of imported crude oil fell $2.29 (4.3%) to $50.80 per barrel. The average landed cost of foreign crude oil decreased $2.11 (3.7%) to $54.96 per barrel.
The average refiner acquisition cost for domestic crude oil decreased $1.97 (3.2%) to $60.03 per barrel, while the average cost of imported crude oil fell $2.51 (4.2%) to $57.25 per barrel. The composite refiner acquisition cost for crude oil decreased $2.12 (3.5%) to $59.09 per barrel.