Jan 24 (LNGJ) - US natural gas prices rose to two-year highs as the day-ahead Henry Hub price hit $5.55 per million British thermal units and the New York Mercantile Exchange futures for February delivery were at around $4.88 per MMBtu. Cold weather has returned to the US and January temperatures are expected to be the coldest in the lower 48 states since 1994. The Algonquin Citygate spot price in the Northeast of the US hit $42 per MMBtu as demand far outweighed supply.








