condition	mean	min	max
4 h after light	2.278805	1.65056	2.90705
8 h after light	0.776403	0.702074	0.850732
12 h after light	0.46829350000000003	0.449142	0.487445
4 h after dark	1.867665	1.6654	2.06993
8 h after dark	2.4655	2.34286	2.58814
12 h after dark	1.80594	1.65508	1.9568