condition	mean	min	max
4 h after light	5.793755	5.24472	6.34279
8 h after light	7.60428	7.28015	7.92841
12 h after light	10.173494999999999	9.79429	10.5527
4 h after dark	14.8981	14.6287	15.1675
8 h after dark	12.51135	12.342	12.6807
12 h after dark	9.966625	9.79095	10.1423