condition	mean	min	max
4 h after light	1.678915	1.33687	2.02096
8 h after light	2.738725	1.09159	4.38586
12 h after light	5.652215	5.30516	5.99927
4 h after dark	8.502845	7.68365	9.32204
8 h after dark	5.959695	5.788	6.13139
12 h after dark	6.26262	5.74889	6.77635