condition	mean	min	max
4 h after light	9.350096666666666	9.2374	9.4126
8 h after light	9.193620000000001	9.08282	9.32478
12 h after light	9.02607	8.988	9.07403
4 h after dark	9.32941	9.19862	9.41532
8 h after dark	9.304566666666666	9.13802	9.558769999999999
12 h after dark	9.334486666666667	9.27872	9.4166