condition	mean	min	max
4 h after light	3.0635	1.90766	4.21934
8 h after light	4.52624	3.86304	5.18944
12 h after light	5.12467	5.08893	5.16041
4 h after dark	7.3711	5.84021	8.35305
8 h after dark	6.298003333333333	5.23722	6.88267
12 h after dark	4.42337	3.89016	5.10883