REPORT THIS MONTH LAST MONTH DIFFERENCE   South Dakota 0.00 46.90 -46.90 SOUTH DAKOTA 10 MONTHS 27 MONTHS THIS YEAR Average 51.28 46.17 55.64 High 62.70 62.70 62.70 Low 0.00 0.00 46.90 Data provided by iNet Solutions Group, Inc. All commodity prices delayed 10 minutes.