Weekly natural gas cash prices gave up ground amid a late week pullback at Western hubs, though price momentum elsewhere proved strong amid production declines and forecasts for widespread cold in coming days.

NGI’s Weekly Spot Gas National Avg. for the Feb. 28-March 3 period slipped 23.5 cents to $3.535.

Warming conditions from California to the Rocky Mountains opened the door for a Friday sell-off in those regions, with pricing coming down from lofty highs and dragging on the national average.

Across the rest of the country, though, natural gas prices mostly advanced as favorable weather combined with production that slipped 2 Bcf/d during the week.

As the trading week closed, Chicago Citygate was up 32.0 cents to $2.530, while Florida Gas Zone 1 gained 50.5 cents to...