The September 2005 figure is the average of prices from
September 1 through September 22. Spot prices were not available for
Henry Hub Natural Gas starting on September 23, 2005, due to Hurricane
Copyright, 2014, Dow Jones & Company
In March 2014, the Wall Street Journal discontinued publication of some of its commodity energy prices.
Source: Dow Jones & Company
Release: Wall Street Journal
Dow Jones & Company, Natural Gas Price: Henry Hub, LA© (DISCONTINUED) [GASPRICE], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/GASPRICE/, July 7, 2015.