DETROIT (AP) - A dozen recreation centers in Detroit will be operated as air-conditioned cooling centers on excessively hot days this summer. The city says Monday that residents can visit the centers during normal business hours to stay cool. Some of the centers are open Monday through Friday from 8 a.m. to 8 p.m. Extremely warm temperatures have settled over the Detroit area in recent days. National Weather Service meteorologist Sara Pampreen says Sunday's high in the Detroit area was 96 degrees (35.5 Celsius). Monday's high was expected to reach 92 degrees (33.3 Celsius).