condition	mean	min	max
4 h after light	3.633035	3.50182	3.76425
8 h after light	3.303715	3.06096	3.54647
12 h after light	4.30571	3.70255	4.90887
4 h after dark	6.39614	6.23021	6.56207
8 h after dark	5.391875000000001	5.01698	5.76677
12 h after dark	5.76881	5.31174	6.22588