condition	mean	min	max
4 h after light	3.6681350000000004	2.94148	4.39479
8 h after light	4.13926	4.12376	4.15476
12 h after light	2.30797	2.24431	2.37163
4 h after dark	4.8709766666666665	4.16295	5.52988
8 h after dark	5.3490866666666665	2.97877	7.04105
12 h after dark	4.307003333333333	3.72522	5.10557