31.   Soon after, the temperature on the mountain began to drop below freezing.

32.   Temperatures dropped well below freezing overnight, and the rescuers had little hope of finding anyone else alive under the snow and rubble.

33.   Tens of thousands of refugees are living in squalor at the makeshift Jalozai camp in northwestern Pakistan, where winter temperatures drop below freezing at night.

34.   Temperatures dropped well below freezing overnight, leaving little hope of finding anyone alive under the snow and rubble three days the devastating avalanche.

35.   Temperatures eased around Christmas but dropped below freezing again in early and late January.

36.   The cold snap eased around Christmas, but temperatures dropped below freezing again in early and late January.

37.   The cold snap eased around Christmas, but temperatures dropped below freezing again in early January.

38.   The government news agency Notimex said temperatures had dropped to below freezing in some areas.

39.   The mercury dropped below freezing in the Alabama cities of Birmingham and Selma, and a freeze warning was issued for parts of the western Florida coast.

40.   The route starts in this city and cuts through jungle trails and pine forests before hitting the summit, where temperatures regularly drop below freezing.