condition	mean	min	max
0 h after light	1.5390100000000002	1.35268	1.72534
4 h after light	2.336075	1.99694	2.67521
8 h after light	2.07418	1.78118	2.36718
4 h after dark	2.547145	2.35757	2.73672
8 h after dark	2.115555	1.84701	2.3841
12 h after dark	1.74498	1.39236	2.0976