EIA Natural Gas Report: For the week ending September 11, total U.S. natural gas inventories were 3,298 billion cubic feet, an increase of 44 billion cubic feet from the previous week, a decrease of 122 billion cubic feet from the same period last year, a year-on-year decrease of 3.6%, and 118 billion cubic feet higher than the 5-year average, an increase of 3.7%.