The weather contributed to an already dark collective mood.

The police said they had not determined the extent to which the weather contributed to the accident.

The weather might have contributed to the start of the fire.

Poor visibility and weather contributed to the crash as well.

And the weather also contributed to dangerous behavior on hot, sleepless streets.

Low inventory levels, the cold weather, and a new demand for clothing have all contributed to the early shortage.

The panel also found that cold weather contributed to the O rings' failure.

The weather certainly contributed to good humor, for the late spring countryside was at its very best.

Bad weather may have contributed to the drop of 67,000 in new claims last week.

There was little doubt that the unusually warm weather last month contributed to the strong start for the economy this year.