Retail price of reformulated premium gasoline in Rocky Mountain district (USD/gal) - United States - EIA - Weekly
This series is part of the dataset: Retail gasoline prices (US)
Download Full Dataset (.xlsx)Latest updates. In the Rocky Mountain district, the retail price of reformulated premium gasoline was 5.07 USD/gal on 14 September 2026, versus 4.94 on 7 September. This constitutes an increase of 2.63 percent.
Sample. There are 149 records overall in the weekly time series presented in the chart above. The period covered by the series goes from November 2023 to September 2026.
History. Here's a peek at some simple statistics we computed on the full sample: the retail price averaged 3.87 USD/gal; it recorded a minimum of 2.96 on 5 January 2026; it hit a peak of 5.41 on 18 May 2026.
Latest values
| Date | Value - USD/gal |
|---|---|
| 2026-08-31 | 4.983 |
| 2026-09-07 | 4.938 |
| 2026-09-14 | 5.072 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Retail price of reformulated premium gasoline in Rocky Mountain district |
| Country | United States |
| Economic concept | Price |
| Data type | Price |
| Seasonally adjusted | No |
| Deflation method | Not applicable |
| Rescaling | None |
| Measure type | Level |
| Frequency | Weekly |
| Unit | USD/gal |
| Source | U.S. Energy Information Administration (EIA) |
| Source type | Government agency |
| Data licence | Public domain |
| Other information | Not available |
| FSR temporal aggregation code | LW1 |
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