Allen you van spray in the humidity but you will need to add 10% of lacquer reducer mybe 15% just need to test it. Spray light piss coats 2-3, then 2 nice coats. To get that backed on look. Buy a pack of Liberon 0000 steel wool and a tin of their wax, some wax come tinted but the have natural also, use the wax with the steel wool buffing the pieces out. Give a deep rich hand finish job look.