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.
Release: Gasoline and Diesel Fuel Update
US. Energy Information Administration, PADD IV (Rocky Mountain District) Diesel Sales Price [GASDESRMA], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/GASDESRMA/, July 6, 2015.