condition	mean	min	max
4 h after light	4.61303	4.42765	4.79841
8 h after light	5.095165	4.97479	5.21554
12 h after light	8.374015	6.77377	9.97426
4 h after dark	7.0678350000000005	6.63987	7.4958
8 h after dark	6.2672349999999994	6.15139	6.38308
12 h after dark	5.03395	4.31448	5.75342