Weekly natural gas cash prices gained substantial ground for the second time early in the new year amid frigid temperatures across much of the Lower 48 and lighter production readings.

NGI’s Weekly Spot Gas National Avg. for the Jan. 8-12 period cruised ahead $3.095 to $6.065.

Big gainers peppered the Lower 48. Malin in the Northwest advanced $3.775 to $8.315, while Cheyenne Hub in the Rockies jumped $4.940 to $7.310, and Lebanon in the Midwest climbed $3.660 to $6.070.

The February Nymex contract also rallied a second week, supported by spot market strength and favorable weather. It settled at $3.313/MMBtu on Friday, up 21.6 cents on the day and up 15% from the prior week’s close.

National Weather Service (NWS) data showed multiple winter blasts over the past trading...