But this year, the problem could be unusually cold weather.

And in 1989, an unusually cold winter probably killed off many of that year's young.

An unusually cold winter in 1916/17 brought the city of Paris almost to a halt.

She paused, and then her soft voice turned unusually cold.

During this period in Europe, there was an unusually cold climate.

Like the last days, this night was unusually cold for November.

This may, however, be linked with the unusually cold winter.

An unusually cold winter would send prices perhaps as high to $2.50.

It has been an unusually cold season, they say in explanation.

This year, however, the weather was turning cold unusually fast.