condition	mean	min	max
4 h after light	2.16125	1.94746	2.37504
8 h after light	1.1167165	0.957823	1.27561
12 h after light	0.613155	0.606205	0.620105
4 h after dark	0.9753936666666667	0.588091	1.20019
8 h after dark	0.761119	0.519236	0.908568
12 h after dark	1.51007	1.07905	1.84872