... According to the Animal Protection Institute, a 2007 study by San Francisco State University found that temperatures inside a car with the windows cracked can rise almost 20 degrees in 10 minutes, 35 degrees in 30 minutes and as much as 50 degrees in one hour. "Hundreds of beloved canine companions are unintentionally killed or injured each year by being left in hot cars, even with windows cracked and only for a short time," the institute's Web site states. ...
Dogs in Ashland found trapped in hot cars
Ashland Daily Tidings