condition	mean	min	max
4 h after light	0.5866545000000001	0.584373	0.588936
8 h after light	0.7572734999999999	0.715733	0.798814
12 h after light	1.9607899999999998	1.60258	2.319
4 h after dark	1.9202149999999998	1.42098	2.41945
8 h after dark	1.0786449999999999	0.76576	1.39153
12 h after dark	0.7141725	0.423155	1.00519