condition	mean	min	max
4 h after light	2.821235	2.75986	2.88261
8 h after light	3.5400549999999997	2.82447	4.25564
12 h after light	3.332865	3.23397	3.43176
4 h after dark	2.97089	2.61262	3.32916
8 h after dark	2.22551	2.12165	2.32937
12 h after dark	2.48551	2.2439	2.72712