condition	mean	min	max
0 h after light	4.74071	4.73648	4.74494
4 h after light	8.032155	7.42941	8.6349
8 h after light	6.1382449999999995	4.82145	7.45504
4 h after dark	6.3941300000000005	5.14609	7.64217
8 h after dark	6.324085	5.98712	6.66105
12 h after dark	3.50544	3.22508	3.7858