condition	mean	min	max
4 h after light	0.6792355	0.548639	0.809832
8 h after light	0.6444920000000001	0.636874	0.65211
12 h after light	0.6250020000000001	0.612165	0.637839
4 h after dark	0.6852346666666667	0.625605	0.71512
8 h after dark	0.9841899999999999	0.74134	1.18606
12 h after dark	0.652244	0.45657	0.918305