condition	mean	min	max
4 h after light	9.072225	8.66919	9.47526
8 h after light	6.9976	6.97661	7.01859
12 h after light	3.1841100000000004	2.54884	3.81938
4 h after dark	5.241386666666666	4.4895	5.94426
8 h after dark	3.80773	3.59063	4.14415
12 h after dark	9.04724	8.27954	10.4037