condition	mean	min	max
4 h after light	25.8666	24.7136	27.0196
8 h after light	21.6845	21.0986	22.2704
12 h after light	19.05105	17.0772	21.0249
4 h after dark	17.70015	16.6512	18.7491
8 h after dark	15.42895	15.2974	15.5605
12 h after dark	21.316850000000002	20.5439	22.0898