Thank you everyone for your responses. Lots of food for thought and ideas to pursue. Humidity control: check. RH inside/outside coop: check. Draft free ventilation: check. Boredom busters Inside and out: check.
Pondering peoples’ replies, it came to me to make a sturdy three sided wind block...
I’ve a flock of 15 various hens and 2 roosters from merging two flocks. The first part of the flock started year ago August with eight female chicks. With adult supervision I built a coop with 62 square feet of floor space, 5 nesting boxes, 6 windows, and a total of 16 linear feet roosting...