condition	mean	min	max
4 h after light	2.250965	1.64518	2.85675
8 h after light	0.5563765	0.446293	0.66646
12 h after light	0.4734085	0.406979	0.539838
4 h after dark	0.0	0.0	0.0
8 h after dark	0.0891305	0.0	0.178261
12 h after dark	0.175497	0.0	0.350994