REPORT THIS MONTH LAST MONTH DIFFERENCE   South Dakota 41.40 39.20 2.20 SOUTH DAKOTA 10 MONTHS 27 MONTHS THIS YEAR Average 42.85 45.78 42.74 High 45.60 64.40 45.60 Low 38.10 38.10 38.10 Data provided by iNet Solutions Group, Inc. All commodity prices delayed 10 minutes.