condition	mean	min	max
4 h after light	15.6342695	15.57526	15.693279
8 h after light	16.004057500000002	15.925235	16.08288
12 h after light	14.9131775	14.436665	15.38969
4 h after dark	16.1153785	15.767871	16.462886
8 h after dark	17.1828185	15.925235	18.440402
12 h after dark	15.925235	15.925235	15.925235