condition	mean	min	max
4 h after light	7.7308185	7.112202	8.349435
8 h after light	9.2296905	8.309895	10.149486
12 h after light	8.3693385	8.143687	8.59499
4 h after dark	7.1633215	7.01945	7.307193
8 h after dark	8.3982375	7.433149	9.363326
12 h after dark	7.820455	7.820455	7.820455