Observations

Apr 2026: 4.067

Updated: Apr 28, 2026 9:07 AM CDT

Units:

Dollars per Gallon,

Not Seasonally Adjusted

Frequency:

Monthly,

End of Period

Notes

Title	Release Dates

PADD IV (Rocky Mountain District) All Grades All Formulations Gas Price	2009-09-28	2026-04-28

Source

U.S. Energy Information Administration	2009-09-28	2026-04-28

Release

Weekly Retail Gasoline and Diesel Prices	2009-09-28	2013-01-21
Gasoline and Diesel Fuel Update	2013-01-22	2026-04-28

Units

Dollars per Gallon	2009-09-28	2026-04-28

Frequency

Monthly, End of Period	2009-09-28	2026-04-28

Seasonal Adjustment

Not Seasonally Adjusted	2009-09-28	2026-04-28

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. All Formulations includes both conventional gasoline and reformulated gasoline. PADD IV (Petroleum Administration for Defense District) represents the Rocky Mountain District and includes the following states: Colorado, Idaho, Montana, Utah, and Wyoming.	2009-09-28	2026-04-28

PADD IV (Rocky Mountain District) All Grades All Formulations Gas Price (GASALLRMM)