condition	mean	min	max
4 h after light	5.811046666666666	5.75742	5.8595
8 h after light	5.86452	5.69712	6.02174
12 h after light	5.775883333333333	5.6275699999999995	5.94031
4 h after dark	5.94241	5.80424	6.147069999999999
8 h after dark	5.75517	5.40206	5.98725
12 h after dark	5.716489999999999	5.56457	5.87745