condition	mean	min	max
4 h after light	2.5694	2.06988	2.87152
8 h after light	1.867086	0.443198	2.92729
12 h after light	2.5579566666666667	1.21474	3.59768
4 h after dark	3.63096	2.99015	4.6054
8 h after dark	3.20957	2.12235	4.45909
12 h after dark	3.6708233333333333	3.61229	3.77951