fluctuate

Tariffs have fluctuated dramatically since they were introduced - and the uncertainty is proving tough for farmers, says Christopher Wolf, a professor of agricultural economics at Cornell University.

R360 officials will have to convince media bosses that a new series spread over many time zones, with fluctuating start times, will not get lost in the schedules.

Johnson Hall said the new approach gives the city flexibility to better calibrate funding amounts to help developers meet the fluctuating cost of projects.

"I fluctuate from deep bouts of depression, sadness and anger," he said.

Detecting long-term trends is challenging, as windstorm activity naturally fluctuates from year-to-year and across decades.