condition	mean	min	max
4 h after light	4.942445	4.7454	5.13949
8 h after light	3.2914399999999997	3.01546	3.56742
12 h after light	2.0865650000000002	2.05625	2.11688
4 h after dark	3.460135	3.19215	3.72812
8 h after dark	3.74219	3.38437	4.10001
12 h after dark	4.751335	4.71139	4.79128