PADD IV (Rocky Mountain District) Premium All Formulations Gas Price (GASPRMRMW)

2026-05-18: 5.250
Updated: May 19, 2026 9:05 AM CDT
2026-05-18:  5.250  
2026-05-11:  5.023  
2026-05-04:  4.999  
2026-04-27:  4.638  
2026-04-20:  4.579  
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Units:

Dollars per Gallon,
Not Seasonally Adjusted

Frequency:

Weekly,
Ending Monday

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Notes

Source: U.S. Energy Information Administration  

Release: Gasoline and Diesel Fuel Update  

Units:  Dollars per Gallon, Not Seasonally Adjusted

Frequency:  Weekly, Ending Monday

Notes:

Weighted average based on sampling of approximately 900 retail outlets, 8:00AM Monday. The price represents self-service unless only full-service is available and includes all taxes. See (http://www.eia.doe.gov/oil_gas/petroleum/data_publications/wrgp/mogas_home_page.html) for further definitions. Premium Gasoline has an antiknock index (average of the research octane rating and the motor octane number) greater than 90. Octane requirements may vary by altitude. PADD IV (Petroleum Administration for Defense District) represents the Rocky Mountain District and includes the following states: Colorado, Idaho, Montana, Utah, and Wyoming.

Suggested Citation:

U.S. Energy Information Administration, PADD IV (Rocky Mountain District) Premium All Formulations Gas Price [GASPRMRMW], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/GASPRMRMW, .

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