condition	mean	min	max
4 h after light	1.545435	1.43124	1.65963
8 h after light	0.501945	0.486046	0.517844
12 h after light	1.1013025	0.503375	1.69923
4 h after dark	0.6456293333333334	0.22382	0.913552
8 h after dark	1.2114673333333332	0.553262	1.8971
12 h after dark	1.1671413333333334	0.882945	1.64269