condition	mean	min	max
4 h after light	14.75215	13.8258	15.6785
8 h after light	13.01925	12.5207	13.5178
12 h after light	8.998180000000001	7.50436	10.492
4 h after dark	8.779495	8.20863	9.35036
8 h after dark	9.452695	9.30386	9.60153
12 h after dark	12.0592	11.876	12.2424