condition	mean	min	max
4 h after light	6.74845	4.64747	8.84943
8 h after light	5.4194949999999995	4.81179	6.0272
12 h after light	7.223045	5.75892	8.68717
4 h after dark	6.077756666666667	5.24107	7.33297
8 h after dark	6.14152	3.89673	8.43787
12 h after dark	4.807053333333333	0.0	8.41619