condition	mean	min	max
0 h after light	4.18715	4.14025	4.23405
4 h after light	4.187165	3.86706	4.50727
8 h after light	6.01719	5.8882	6.14618
4 h after dark	4.2013549999999995	4.08232	4.32039
8 h after dark	4.864735	4.33248	5.39699
12 h after dark	3.967015	3.45478	4.47925