condition	mean	min	max
4 h after light	4.74237	4.46185	5.02289
8 h after light	6.624105	6.08494	7.16327
12 h after light	7.41355	6.96946	7.85764
4 h after dark	10.01877	9.61144	10.4261
8 h after dark	7.357095	6.98712	7.72707
12 h after dark	6.94034	5.83779	8.04289