This is an important observation, since it suggests that there have been frequent periods of temperature change associated with notable climate shifts.

Needing frequent periods for reflection and study, he preferred guest-conducting associations.

So long as they could have frequent periods of aviation, they remained bland even on the ground.

He ultimately settled in Kristiansand, although with frequent periods spent abroad.

But his career is still marked by frequent periods of self-doubt.

The prevailing winds are from the south west, bringing fairly frequent periods of light rain, particularly in the winter months.

Short frequent periods in time out provide rapid learning experiences for the child.

Some doctors say they believe that the more frequent periods experienced by modern women pose significant health risks.

Winter tends to produce both the strongest gales and the most frequent periods of calm.

It is best to spend frequent, short periods of time with a lovebird, rather than having just one or two interactions every day.