Henry Hub Natural Gas Spot Price (Dollars per Million Btu) - EIA | eia.gov Year, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec. 1997, 3.45, 2.15, 1.89, 2.03, 2.25, 2.20, 2.19, 2.49, 2.88, 3.07, 3.01, 2.35. https://www.eia.gov/dnav/ng/hist/rngwhhdm.htm