condition	mean	min	max
4 h after light	7.00671	6.57224	7.76657
8 h after light	7.3878900000000005	6.51064	8.53352
12 h after light	6.976333333333333	6.1184199999999995	7.51558
4 h after dark	6.7010033333333325	5.98175	7.713139999999999
8 h after dark	6.377666666666666	6.03333	6.62477
12 h after dark	5.62342	5.07035	6.58103