condition	mean	min	max
4 h after light	6.18363	5.89544	6.70627
8 h after light	5.93597	5.66432	6.18841
12 h after light	5.84333	5.74521	5.980980000000001
4 h after dark	5.952946666666667	5.87741	6.03575
8 h after dark	5.814183333333333	5.59415	6.01206
12 h after dark	5.803323333333333	5.67738	5.94337