condition	mean	min	max
4 h after light	2.8633249999999997	2.81595	2.9107
8 h after light	3.4463150000000002	3.23735	3.65528
12 h after light	4.68013	4.67999	4.68027
4 h after dark	5.803825	5.25508	6.35257
8 h after dark	4.23798	4.03693	4.43903
12 h after dark	3.6985799999999998	3.13601	4.26115