The maximum noise level is 60 decibels (which is equivalent to a normal conversation in an office or restaurant) for the hours of 7 a.m. to midnight. The maximum noise level is 55 decibels (which is equivalent to a normal household conversation) for the hours of midnight to 7 a.m. The sound is measured at the edge of a city street or alley right-of-way nearest to the source of the sound. A measurement may also be taken on the property where the complaining party was disturbed. For more information about the noise ordinance or to request a reading, call Ames Police at 515-239-5133 or visit www.cityofames.org.