condition	mean	min	max
0 h after light	1.899695	1.80816	1.99123
4 h after light	2.095815	1.77626	2.41537
8 h after light	0.7586145	0.579128	0.938101
4 h after dark	0.233182	0.186987	0.279377
8 h after dark	0.3520805	0.330616	0.373545
12 h after dark	1.879835	1.67166	2.08801