condition	mean	min	max
4 h after light	5.624855	5.1678	6.08191
8 h after light	4.314075	4.15121	4.47694
12 h after light	4.669585	4.00634	5.33283
4 h after dark	4.976736666666667	4.82574	5.15045
8 h after dark	5.5736	5.13668	5.9483
12 h after dark	4.587383333333333	4.32524	4.94418