It was a mixed bag for spot natural gas prices during the Dec. 6-10 trading week thanks to a blast of frigid air that moved from the Rockies to the East Coast that combined with mostly mild conditions elsewhere. NGI’s Weekly Spot Gas National Avg. ultimately dropped 10.5 cents to $4.04/MMBtu.

Nymex futures, meanwhile, continued to slide given the exceptionally bearish weather outlook for the coming 15 days. At the close of Friday’s session, the January contract stood at $3.925. 

Despite the overall weakness, there were some notable improvements on the pricing front for some markets. 

In California, SoCal Citygate spot gas prices averaged $7.215 for the week, up $2.210 from the prior week. Dollar-plus gains were seen across the state.

Rockies prices also strengthened...