1. The estimated yield on a one-inch 30-year return period is about 43mgd. 2. Wal-Mart, for example, has different return periods depending on the item. 3. Despite the connotations of the name " return period ". 4. This event exceeded the 150 year rainfall return period . 5. The return period then corresponds to the expected waiting time until the exceedance occurs again. 6. She forecasts the return period for the entire project would be about six to eight years. 7. The safe yield from the dam was about 36mgd for a return period of 30 years. 8. In addition, he said, more companies are charging restocking fees and some have shortened return periods . 9. The frequency with which avalanches form in a given area is known as the return period . 10. The event in Mobile, Alabama was slightly less significant, having a return period of 1-in-25 years.