condition	mean	min	max
0 h after light	5.566085	5.3501	5.78207
4 h after light	6.1633949999999995	5.42191	6.90488
8 h after light	8.127965	7.42854	8.82739
4 h after dark	8.29966	8.20524	8.39408
8 h after dark	9.046665	8.92774	9.16559
12 h after dark	5.69316	5.63047	5.75585