condition	mean	min	max
4 h after light	3.14194	2.81529	3.46859
8 h after light	3.287605	1.67312	4.90209
12 h after light	4.133805000000001	4.04314	4.22447
4 h after dark	8.440603333333334	7.79784	9.43418
8 h after dark	4.034383333333333	1.9045	6.53039
12 h after dark	4.82137	2.82732	7.83758