condition	mean	min	max
0 h after light	10.35351	9.06842	11.6386
4 h after light	6.58788	6.20073	6.97503
8 h after light	5.414085	5.03322	5.79495
4 h after dark	7.076175000000001	5.97679	8.17556
8 h after dark	7.90311	7.04238	8.76384
12 h after dark	9.631995	8.24869	11.0153