| | Retail Gasoline Prices by Grade by Formulation |
| | . |
| | Rocky Mountain, Regular |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 03/09/09 | $1.814 | $1.814 |
| | 03/02/09 | $1.790 | $1.790 |
| | 02/23/09 | $1.801 | $1.801 |
| | 02/16/09 | $1.819 | $1.819 |
| | 02/09/09 | $1.780 | $1.780 |
| | 02/02/09 | $1.712 | $1.712 |
| | 01/26/09 | $1.644 | $1.644 |
| | 01/19/09 | $1.607 | $1.607 |
| |
| | Rocky Mountain, Midgrade |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 03/09/09 | $1.904 | $1.904 |
| | 03/02/09 | $1.887 | $1.887 |
| | 02/23/09 | $1.889 | $1.889 |
| | 02/16/09 | $1.910 | $1.910 |
| | 02/09/09 | $1.870 | $1.870 |
| | 02/02/09 | $1.805 | $1.805 |
| | 01/26/09 | $1.745 | $1.745 |
| | 01/19/09 | $1.716 | $1.716 |
| |
| | Rocky Mountain, Premium |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 03/09/09 | $2.018 | $2.018 |
| | 03/02/09 | $2.002 | $2.002 |
| | 02/23/09 | $2.005 | $2.005 |
| | 02/16/09 | $2.024 | $2.024 |
| | 02/09/09 | $1.983 | $1.983 |
| | 02/02/09 | $1.923 | $1.923 |
| | 01/26/09 | $1.857 | $1.857 |
| | 01/19/09 | $1.825 | $1.825 |
| |
| | Last Updated 3/9/2009 |