condition	mean	min	max
0 h after light	2.460395	2.05773	2.86306
4 h after light	4.642115	4.50847	4.77576
8 h after light	5.21472	4.88751	5.54193
4 h after dark	3.208275	2.13323	4.28332
8 h after dark	3.05415	2.70215	3.40615
12 h after dark	2.083455	1.59831	2.5686