condition	mean	min	max
4 h after light	2.4305250000000003	2.23884	2.62221
8 h after light	2.772995	2.76681	2.77918
12 h after light	3.502515	2.84144	4.16359
4 h after dark	4.249645	4.24571	4.25358
8 h after dark	4.12434	4.05706	4.19162
12 h after dark	3.85619	3.54908	4.1633