condition	mean	min	max
0 h after light	6.894015	6.807	6.98103
4 h after light	9.964065000000002	8.16773	11.7604
8 h after light	13.4101	12.128	14.6922
4 h after dark	11.6334	11.3357	11.9311
8 h after dark	12.47725	11.6424	13.3121
12 h after dark	8.13746	8.00189	8.27303