condition	mean	min	max
4 h after light	4.6869	4.05876	5.31504
8 h after light	2.499175	2.16258	2.83577
12 h after light	1.333555	1.14856	1.51855
4 h after dark	1.7992566666666667	1.64184	2.03235
8 h after dark	2.95162	2.17761	3.64722
12 h after dark	4.08188	3.65443	4.34161