condition	mean	min	max
4 h after light	0.732885	0.590985	0.874785
8 h after light	1.21662	1.21178	1.22146
12 h after light	1.2525249999999999	1.12376	1.38129
4 h after dark	1.3774799999999998	1.29009	1.46487
8 h after dark	1.12022	1.08903	1.15141
12 h after dark	1.280185	1.22305	1.33732