condition	mean	min	max
4 h after light	4.56928	3.94996	5.1886
8 h after light	3.5483700000000002	3.42336	3.67338
12 h after light	1.9026800000000001	1.88071	1.92465
4 h after dark	1.3692433333333334	1.24092	1.44803
8 h after dark	2.0904100000000003	1.67005	2.78779
12 h after dark	2.7532366666666666	2.55274	2.97512