condition	mean	min	max
4 h after light	6.69602	6.63464	6.7574
8 h after light	3.15401	3.04204	3.26598
12 h after light	1.6198549999999998	1.42176	1.81795
4 h after dark	3.69037	3.33597	4.22229
8 h after dark	4.759516666666666	3.72909	5.32782
12 h after dark	8.119516666666666	7.67316	8.61863