condition	mean	min	max
4 h after light	15.0906	14.8381	15.3431
8 h after light	8.263005	7.54573	8.98028
12 h after light	10.044595000000001	9.51619	10.573
4 h after dark	6.415033333333334	6.32961	6.47227
8 h after dark	8.37472	7.11337	9.62099
12 h after dark	13.511000000000001	12.2666	15.4882