condition	mean	min	max
4 h after light	6.48459	6.00042	6.96876
8 h after light	7.639705	7.16159	8.11782
12 h after light	7.747355	6.90025	8.59446
4 h after dark	6.178863333333333	5.70342	6.83368
8 h after dark	4.990023333333333	4.84076	5.11514
12 h after dark	5.312616666666666	4.7909	5.63305