Crude oil prices jumped close to $97 per barrel Monday on the New York Mercantile Exchange with strong demand prompted by winter weather. After starting out the day with a drop that took it closer to $95, West Texas Intermediate crude oil for March delivery wound up adding $1.17 from Friday\'s close to hit $96.94 per barrel. Reformulated blendstock gasoline lost 2.32 cents to $3.0225 per gallon. Heating oil shed 0.15 cents to $3.231 per gallon. Natural gas was up 2.5 cents to $3.29 per million British thermal units. At the pump, the national average price of unleaded gasoline, up for eight consecutive weeks, rose to $3.587 per gallon from Sunday\'s $3.582 per gallon, AAA said.