condition	mean	min	max
4 h after light	3.668405	3.61385	3.72296
8 h after light	3.9801	3.92137	4.03883
12 h after light	3.95155	3.8644	4.0387
4 h after dark	4.989855	4.9053	5.07441
8 h after dark	3.650015	3.4827	3.81733
12 h after dark	3.9632750000000003	3.87196	4.05459