What is the max. coldess they can be outside and when can they be out there full time? I have chicks that are now 5 weeks old, since they were 4 weeks old I let them outside during the day and put them back in at night. Also, when I go to pick them up to put them inside for bed, they're ALWAYS huddled outside, why? They have a nice sheltered chicken coop with a perch low enough for them. Last thing, where should I have the heat lamp and does color matter? Should the lamp be on the side of the perches, or across from the nesting boxes? UPDATE: That's why I was asking about temperature. I live in WA, one week it will be raining and 50-60 degrees, another week it will be sunny 60-80 degrees. I have introduced them to the perches, everytime I bring them in there, I put them on, but once I let go, they jump off. I can post pictures of the inside of the coop later. I haven't finished putting up all the perches yet. And I'm not sure how to tell when they're "fully feathered"