condition	mean	min	max
4 h after light	8.60894	7.63972	9.57816
8 h after light	8.08512	7.81409	8.35615
12 h after light	8.276430000000001	8.13992	8.41294
4 h after dark	9.166816666666666	8.7525	9.47091
8 h after dark	9.932873333333333	9.64241	10.35
12 h after dark	8.325086666666667	7.60678	9.05846