condition	mean	min	max
4 h after light	4.5287033333333335	2.7233	5.97357
8 h after light	6.59761	2.17228	10.5142
12 h after light	6.14086	3.20165	8.17516
4 h after dark	6.93622	6.0176	8.05722
8 h after dark	2.63407	1.94917	3.35982
12 h after dark	1.4283233333333334	1.2611	1.61033