condition	mean	min	max
4 h after light	4.21	3.95717	4.46283
8 h after light	4.70932	4.53349	4.88515
12 h after light	4.890465	4.23743	5.5435
4 h after dark	6.16035	5.91506	6.40564
8 h after dark	6.13225	5.37065	6.89385
12 h after dark	5.682395	5.4292	5.93559