I set some duck eggs in the incubator yesterday. I have just found out how to calibrate the readings of the on board digital panel and also have 2 hygrometers as well. I was gone for about 4 hours yesterday and when I got home the readings for all of them were 101.7. I have no idea when that heat range was reached. I immediately opened the lid and brought the temps back down to 99.5 . Do I need to worry that my eggs were harmed? They had been in the incubator less than 6 hours total when I got home.