condition	mean	min	max
4 h after light	2.844552333333333	2.787292	2.927433
8 h after light	2.0445510000000002	1.469773	2.404091
12 h after light	1.3745183333333333	1.308426	1.490161
16 h after light	2.874155	2.5297560000000003	3.301075
4 h after dark	2.332695333333333	2.124198	2.630096
8 h after dark	1.488896	1.459395	1.527104