condition	mean	min	max
2 h after light	15.68695	12.258	18.8941
6 h after light	10.926608333333334	9.53908	12.3701
10 h after light	9.44297	6.82962	12.4562
14 h after light	11.503201666666667	6.69096	14.7743
18 h after light	11.812815	9.36602	15.1461
2 h after dark	15.2909	10.2278	19.7324