EIA Natural Gas Report: For the week ending September 18, total U.S. natural gas inventories were 3,351 billion cubic feet, an increase of 53 billion cubic feet from the previous week, a decrease of 146 billion cubic feet from the same period last year, a year-on-year decrease of 4.2%, and 95 billion cubic feet higher than the 5-year average, an increase of 2.9%.