condition	mean	min	max
4 h after light	0.127018	0.126524	0.127512
8 h after light	0.1768725	0.172953	0.180792
12 h after light	0.6028475	0.53624	0.669455
4 h after dark	1.694755	1.57152	1.81799
8 h after dark	1.84906	1.61652	2.0816
12 h after dark	1.022933	0.984896	1.06097