Weekly natural gas cash prices crept lower even though seasonally cold temperatures and snowstorms spanned large swaths of the Lower 48.

NGI’s Weekly Spot Gas National Avg. for the March 13-17 trading period declined 29.5 cents to $2.720.

Conditions during the week were favorable for heating demand, with heavy snow and freezing air spreading from the Mountain West early in the covered period to the Midwest and Northeast as the week wore on.

However, with production estimates hovering around 98 Bcf/d much of the past week – down 2 Bcf/d from earlier in March – hints of easing supply offset weather-driven demand and kept cash prices in check.

Additionally, prices pulled back in California after cold pushed out of the state and mild weather settled in for much of the...