condition	mean	min	max
4 h after light	2.15426	1.53158	2.47157
8 h after light	2.215305	0.330765	3.88406
12 h after light	2.8334566666666667	1.75745	4.33831
4 h after dark	3.467	2.62659	3.97779
8 h after dark	2.2357299999999998	1.67293	2.77302
12 h after dark	1.9094466666666667	1.65765	2.18726