October 9, 2014 Source: U.S. Energy Information Administration, Short-Term Energy Outlook, October 2014Note: used as a proxy for propane demand. Republished October 9, 9:45 a.m. to correct an error in the graph. Propane demand (, both of which are highly seasonal and weather dependent, petrochemical consumption of propane has relatively little seasonality. Beginning in mid-2013, […]