condition	mean	min	max
4 h after light	3.20929	2.5887	3.82988
8 h after light	4.33359	4.0695	4.59768
12 h after light	2.394755	2.22557	2.56394
4 h after dark	3.9857233333333335	2.6761	4.78612
8 h after dark	2.8974599999999997	2.76082	3.1401
12 h after dark	2.69421	2.13008	3.08385