condition	mean	min	max
0 h after light	3.24287	3.06931	3.41643
4 h after light	6.36543	5.85059	6.88027
8 h after light	3.494145	3.23905	3.74924
4 h after dark	2.650915	2.48834	2.81349
8 h after dark	5.703765	4.83662	6.57091
12 h after dark	4.37037	3.61011	5.13063