EIA Natural Gas Report: As of the week ending May 9, total U.S. natural gas inventories were 225.5 billion cubic feet, an increase of 110 billion cubic feet from the previous week and a decrease of 37.5 billion cubic feet from the same period last year, a year-on-year decrease of 14.3%. At the same time, it was 57 billion cubic feet higher than the five-year average, an increase of 2.6%.