EIA Natural Gas Report: For the week ending March 13, total U.S. natural gas inventories stood at 1.883 trillion cubic feet, up 35 billion cubic feet from the previous week and up 177 billion cubic feet from the same period last year, a year-on-year increase of 10.4%. It was also 47 billion cubic feet higher than the 5-year average, an increase of 2.6%.