condition	mean	min	max
4 h after light	3.63582	2.62887	4.19046
8 h after light	2.754317	0.920131	3.87909
12 h after light	3.22839	2.14835	4.3465
4 h after dark	4.38666	2.45862	5.93756
8 h after dark	5.611296666666667	4.16186	7.18996
12 h after dark	5.311066666666667	4.49701	5.84065