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| Rocky Mountain Midgrade Conventional Retail Gasoline Prices (Dollars per Gallon) | ||||||||||
| Decade | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1990's | NA | 1.236 | 1.339 | 1.369 | 1.206 | 1.311 | ||||
| 2000's | 1.612 | 1.539 | 1.450 | 1.669 | 1.944 | 2.358 | 2.656 | 2.902 | 3.328 | 2.396 |
| 2010's | 2.882 | 3.518 | 3.612 | 3.544 | 3.468 | 2.584 | 2.320 | 2.609 | 2.984 | 2.858 |
| 2020's | 2.509 | 3.470 | 4.259 | 3.910 | 3.472 | 3.346 |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 3/10/2026 |
| Next Release Date: 3/17/2026 |