EIA Natural Gas Report: For the week ending July 31, total U.S. natural gas inventories were 3,117 billion cubic feet, an increase of 33 billion cubic feet from the previous week, a decrease of 12 billion cubic feet from the same period last year, a year-on-year decrease of 0.4%, and 195 billion cubic feet higher than the 5-year average, an increase of 6.7%.