| | Retail Gasoline Prices by Grade by Formulation |
| | . |
| | Seattle, Regular |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 01/12/09 | $1.985 | $1.985 |
| | 01/05/09 | $1.874 | $1.874 |
| | 12/29/08 | $1.812 | $1.812 |
| | 12/22/08 | $1.805 | $1.805 |
| | 12/15/08 | $1.774 | $1.774 |
| | 12/08/08 | $1.850 | $1.850 |
| | 12/01/08 | $1.956 | $1.956 |
| | 11/24/08 | $2.071 | $2.071 |
| |
| | Seattle, Midgrade |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 01/12/09 | $2.103 | $2.103 |
| | 01/05/09 | $1.994 | $1.994 |
| | 12/29/08 | $1.933 | $1.933 |
| | 12/22/08 | $1.925 | $1.925 |
| | 12/15/08 | $1.888 | $1.888 |
| | 12/08/08 | $1.965 | $1.965 |
| | 12/01/08 | $2.078 | $2.078 |
| | 11/24/08 | $2.194 | $2.194 |
| |
| | Seattle, Premium |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 01/12/09 | $2.210 | $2.210 |
| | 01/05/09 | $2.102 | $2.102 |
| | 12/29/08 | $2.040 | $2.040 |
| | 12/22/08 | $2.036 | $2.036 |
| | 12/15/08 | $1.997 | $1.997 |
| | 12/08/08 | $2.077 | $2.077 |
| | 12/01/08 | $2.183 | $2.183 |
| | 11/24/08 | $2.296 | $2.296 |
| |
| | Last Updated 1/12/2009 |