condition	mean	min	max
4 h after light	1.866654	0.751318	2.98199
8 h after light	1.607275	1.11171	2.10284
12 h after light	2.133685	1.75721	2.51016
4 h after dark	2.43479	1.7978	3.07178
8 h after dark	1.43105	1.05632	1.80578
12 h after dark	1.013837	0.687054	1.34062