condition	mean	min	max
4 h after light	3.0676449999999997	2.83292	3.30237
8 h after light	3.653615	3.59766	3.70957
12 h after light	3.60996	3.57465	3.64527
4 h after dark	4.267825	4.08643	4.44922
8 h after dark	3.2668	3.17622	3.35738
12 h after dark	3.6183	3.55926	3.67734