Observations

Aug 2026: 5.415

Updated: Sep 21, 2026 3:29 PM CDT

Units:

Dollars per Gallon,

Not Seasonally Adjusted

Frequency:

Monthly,

End of Period

Notes

Title	Release Dates

PADD IV (Rocky Mountain District) Diesel Sales Price	2009-09-28	2026-09-15

Source

U.S. Energy Information Administration	2009-09-28	2026-09-15

Release

Weekly Retail Gasoline and Diesel Prices	2009-09-28	2013-01-21
Gasoline and Diesel Fuel Update	2013-01-22	2026-09-15

Units

Dollars per Gallon	2009-09-28	2026-09-15

Frequency

Monthly, End of Period	2009-09-28	2026-09-15

Seasonal Adjustment

Not Seasonally Adjusted	2009-09-28	2026-09-15

Notes

Weighted average based on sampling of approximately 350 retail outlets, as reported for the week. See (http://www.eia.doe.gov/oil_gas/petroleum/data_publications/wrgp/mogas_home_page.html) for further definitions. 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	2026-09-15

PADD IV (Rocky Mountain District) Diesel Sales Price (GASDESRMM)