condition	mean	min	max
4 h after light	6.58456	6.06408	7.10504
8 h after light	8.841059999999999	8.39214	9.28998
12 h after light	8.24574	7.46765	9.02383
4 h after dark	10.8732	10.1509	11.5955
8 h after dark	7.626155	7.58059	7.67172
12 h after dark	7.51216	7.31787	7.70645