condition	mean	min	max
4 h after light	6.656383333333333	3.70499	9.07387
8 h after light	8.264366666666668	2.95099	12.2047
12 h after light	9.72041	7.59169	11.8966
4 h after dark	10.87763	8.57999	12.0357
8 h after dark	8.24685	6.1896	10.861
12 h after dark	8.90859	8.66422	9.15134