condition	mean	min	max
0 h after light	2.108815	1.73485	2.48278
4 h after light	2.891685	2.62679	3.15658
8 h after light	2.49093	2.20676	2.7751
4 h after dark	2.378375	2.1298	2.62695
8 h after dark	3.09523	2.92905	3.26141
12 h after dark	1.83673	1.75531	1.91815