EIA Natural Gas Report: As of the week ending January 31, total U.S. natural gas inventories were 2,397 billion cubic feet, down 174 billion cubic feet from the previous week and 208 billion cubic feet from the same period last year, a year-on-year decrease of 8.0%. At the same time, it was 111 billion cubic feet lower than the five-year average, a decrease of 4.4%.