| | Retail Gasoline Prices by Grade by Formulation |
| | . |
| | Colorado, Regular |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 11/16/09 | $2.547 | $2.547 |
| | 11/09/09 | $2.576 | $2.576 |
| | 11/02/09 | $2.593 | $2.593 |
| | 10/26/09 | $2.560 | $2.560 |
| | 10/19/09 | $2.441 | $2.441 |
| | 10/12/09 | $2.354 | $2.354 |
| | 10/05/09 | $2.360 | $2.360 |
| | 09/28/09 | $2.401 | $2.401 |
| |
| | Colorado, Midgrade |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 11/16/09 | $2.658 | $2.658 |
| | 11/09/09 | $2.688 | $2.688 |
| | 11/02/09 | $2.706 | $2.706 |
| | 10/26/09 | $2.673 | $2.673 |
| | 10/19/09 | $2.554 | $2.554 |
| | 10/12/09 | $2.467 | $2.467 |
| | 10/05/09 | $2.475 | $2.475 |
| | 09/28/09 | $2.516 | $2.516 |
| |
| | Colorado, Premium |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 11/16/09 | $2.766 | $2.766 |
| | 11/09/09 | $2.797 | $2.797 |
| | 11/02/09 | $2.814 | $2.814 |
| | 10/26/09 | $2.780 | $2.780 |
| | 10/19/09 | $2.662 | $2.662 |
| | 10/12/09 | $2.574 | $2.574 |
| | 10/05/09 | $2.583 | $2.583 |
| | 09/28/09 | $2.621 | $2.621 |
| |
| | Last Updated 11/16/2009 |