Observations

Dec 2025: 4.324

Updated: Dec 30, 2025 9:06 AM CST

Units:

Dollars per Gallon,

Not Seasonally Adjusted

Frequency:

Monthly,

End of Period

Notes

Title	Release Dates

PADD V (West Coast District) Midgrade All Formulations Gas Price	2009-09-28	2025-12-30

Source

U.S. Energy Information Administration	2009-09-28	2025-12-30

Release

Weekly Retail Gasoline and Diesel Prices	2009-09-28	2013-01-21
Gasoline and Diesel Fuel Update	2013-01-22	2025-12-30

Units

Dollars per Gallon	2009-09-28	2025-12-30

Frequency

Monthly, End of Period	2009-09-28	2025-12-30

Seasonal Adjustment

Not Seasonally Adjusted	2009-09-28	2025-12-30

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. Midgrade Gasoline has an antiknock index (average of the research octane rating and the motor octane number) greater than or equal to 88 and less than or equal to 90. Octane requirements may vary by altitude. PADD V (Petroleum Administration for Defense District) represents the West Coast District and includes the following states: Alaska (North Slope and Other Mainland), Arizona, California, Hawaii, Nevada, Oregon, and Washington.	2009-09-28	2025-12-30

PADD V (West Coast District) Midgrade All Formulations Gas Price (GASMIDWCM)