condition	mean	min	max
0 h after light	1.86097	1.53417	2.18777
4 h after light	1.75808	1.50991	2.00625
8 h after light	1.0947425	0.890805	1.29868
4 h after dark	3.55251	3.43786	3.66716
8 h after dark	1.621455	1.3037	1.93921
12 h after dark	1.94493	1.92351	1.96635