condition	mean	min	max
4 h after light	1.3852745	0.883139	1.88741
8 h after light	0.7538525	0.737146	0.770559
12 h after light	0.904711	0.739432	1.06999
4 h after dark	2.84145	2.70271	2.98019
8 h after dark	2.40607	1.86779	2.94435
12 h after dark	2.782495	2.78223	2.78276