condition	mean	min	max
4 h after light	3.956476	3.8436199999999996	4.1579690000000005
8 h after light	3.1424963333333333	2.950139	3.2525630000000003
12 h after light	1.8920873333333335	1.718908	2.126729
16 h after light	3.8676573333333333	3.271461	4.532181
4 h after dark	3.1633743333333335	2.851988	3.720626
8 h after dark	2.213229	1.918548	2.554535