Government officials in Nebraska City are developing ordinances to regulate wind energy that include a limit on wind turbine noise.

The windmills are not to exceed 65 decibels during the daytime hours measured from the closest inhabited dwelling. The sound limit is reduced to 55 decibels at night.

So how much noise is that?
NC news-press.com sent out its crew to find out.

A whisper in a quiet library is 30 db, while normal conversation is from 60 to 70 db.
A train whistle at 500 feet is 90 db, a power saw at 3 feet is 110 db.
A gun blast, 140 db and the loudest sound possible, 194 db.