condition	mean	min	max
4 h after light	8.1504165	8.001169	8.299664
8 h after light	9.091442	7.703866	10.479018
12 h after light	8.22934	8.028827	8.429853
4 h after dark	8.318734500000001	8.001169	8.6363
8 h after dark	7.5226109999999995	7.373335	7.671887
12 h after dark	7.890922	7.890922	7.890922