condition	mean	min	max
4 h after light	6.99436	5.56003	8.42869
8 h after light	3.6768650000000003	2.84899	4.50474
12 h after light	2.897365	2.43258	3.36215
4 h after dark	4.70704	4.47175	4.94233
8 h after dark	8.09594	7.83185	8.36003
12 h after dark	4.74428	3.16326	6.3253