condition	mean	min	max
4 h after light	0.8861795	0.497879	1.27448
8 h after light	0.648648	0.535948	0.761348
12 h after light	0.853388	0.848003	0.858773
4 h after dark	0.8955673333333334	0.84323	0.98636
8 h after dark	0.9897376666666666	0.944247	1.03361
12 h after dark	0.8257026666666667	0.754726	0.941476