condition	mean	min	max
4 h after light	1.6566200000000002	1.5275	1.78574
8 h after light	2.5125349999999997	2.50564	2.51943
12 h after light	3.01637	2.86919	3.16355
4 h after dark	4.263165	4.10602	4.42031
8 h after dark	3.346995	3.14923	3.54476
12 h after dark	2.5719250000000002	2.41128	2.73257