Availability of 80 degrees at 2 weeks, but certainly cool areas in the brooder. I think checking behavioral patterns is what determines the correct temps. If there are 10+ chicks then they can pile on each other and live in cold temps, but that does not mean they are thriving.
Direct sunlight can cause dramatic rise in temperature. The towel was a good idea.
Direct sunlight can cause dramatic rise in temperature. The towel was a good idea.