condition	mean	min	max
4 h after light	3.75208	2.11498	5.69164
8 h after light	2.2469916666666667	0.495895	4.1291
12 h after light	1.9231900000000002	1.07763	2.88783
4 h after dark	3.6595466666666665	2.46259	4.26473
8 h after dark	5.835369999999999	3.27587	7.18059
12 h after dark	5.408436666666667	4.77406	5.9967