condition	mean	min	max
4 h after light	12.7513	11.5607	13.9419
8 h after light	2.35321	2.19752	2.5089
12 h after light	3.71501	3.51983	3.91019
4 h after dark	4.923690000000001	4.26864	5.57874
8 h after dark	14.8353	11.6903	17.9803
12 h after dark	8.41916	7.73141	9.10691