condition	mean	min	max
0 h after light	2.15925	1.90332	2.41518
4 h after light	3.208665	3.01676	3.40057
8 h after light	8.93339	8.13736	9.72942
4 h after dark	3.599455	3.16952	4.02939
8 h after dark	1.9857	1.6803	2.2911
12 h after dark	1.422335	1.23958	1.60509