condition	mean	min	max
4 h after light	4.25159	4.09336	4.40982
8 h after light	4.9672	4.84061	5.09379
12 h after light	5.05283	4.50432	5.60134
4 h after dark	7.619759999999999	7.48857	7.75095
8 h after dark	6.107995	5.98891	6.22708
12 h after dark	6.24179	5.92815	6.55543