condition	mean	min	max
4 h after light	7.4181	0.0	11.4677
8 h after light	8.280176666666668	4.59951	11.4671
12 h after light	10.878303333333333	4.60548	18.517
4 h after dark	12.6314	11.7003	14.3311
8 h after dark	10.002130000000001	8.09252	13.1042
12 h after dark	11.199376666666666	9.12743	12.5589