condition	mean	min	max
4 h after light	0.6486080000000001	0.326199	0.971017
8 h after light	0.9273645	0.792859	1.06187
12 h after light	0.3754625	0.322777	0.428148
4 h after dark	0.7093849999999999	0.572402	0.846368
8 h after dark	0.8420545	0.282759	1.40135
12 h after dark	0.395564	0.234377	0.556751