While the national average corn basis remained unchanged at 44 cents under the December Futures contract, regional basis widened at a few locations to as much as 75 to 90 cents under the December contract. Corn basis at six local elevators the Red River Farm Network follows range from 60 cents to 90 cents under. Nationally, soybean basis was four cents weaker, averaging $1.09 under the November futures. Locally, soybean basis ranges from $1.50 to $1.75 under the November futures. Spring wheat basis locally ranges from 63 cents to $1.03 under the December futures.