condition	mean	min	max
4 h after light	6.88086	6.56224	7.19948
8 h after light	6.60637	6.03649	7.17625
12 h after light	7.2868949999999995	6.37297	8.20082
4 h after dark	9.078045	8.96088	9.19521
8 h after dark	9.04425	8.0186	10.0699
12 h after dark	9.019545	8.71587	9.32322