Observations

Sep 2026: 4.640

Updated: Sep 29, 2026 9:03 AM CDT

Units:

Dollars per Gallon,

Not Seasonally Adjusted

Frequency:

Monthly

Notes

Title	Release Dates

PADD IV (Rocky Mountain District) All Grades Conventional Gas Price	2011-11-28	2026-09-29

Source

U.S. Energy Information Administration	2011-11-28	2026-09-29

Release

Weekly Retail Gasoline and Diesel Prices	2011-11-28	2013-01-21
Gasoline and Diesel Fuel Update	2013-01-22	2026-09-29

Units

Dollars per Gallon	2011-11-28	2026-09-29

Frequency

Monthly	2011-11-28	2026-09-29

Seasonal Adjustment

Not Seasonally Adjusted	2011-11-28	2026-09-29

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.	2011-11-28	2026-09-29

PADD IV (Rocky Mountain District) All Grades Conventional Gas Price (GASALLCOVRMM)