x2 This is exactly what I was going to say. Also, my heater tends to come on more at night since it's colder and not sunny, which drastically drops the humidity in the whole house.
I love that people are still joining this hatch! I set 13 eggs yesterday under 3 broody mammas who have ALL taken to the broody boxes that I made for them--cardboard boxes inside dog crates inside my chick shed. 3 eggs are under my partridge Silkie, 4 eggs under my white Silkie, and 6 eggs under...
I just moved a Silkie momma (who hid and hatched her own mutt babies) back to the main egg layer coop, and placed her ten babies (7 weeks and fully feathered!) in a grow-out coop for the winter--she was DONE with those little suckers and kept trying to leave them behind in the yard, so I thought...