condition	mean	min	max
4 h after light	6.23437	4.55814	7.60063
8 h after light	6.3116699999999994	2.88208	9.53765
12 h after light	8.997630000000001	4.57839	13.7285
4 h after dark	10.600253333333335	7.67866	14.0348
8 h after dark	12.353673333333333	9.71252	13.724
12 h after dark	9.71598	9.08307	10.4125