condition	mean	min	max
0 h after light	5.155995	5.04068	5.27131
4 h after light	9.776800000000001	9.2773	10.2763
8 h after light	10.49895	9.7784	11.2195
4 h after dark	9.0211	7.8833	10.1589
8 h after dark	14.3343	13.7428	14.9258
12 h after dark	9.758935	6.81957	12.6983