condition	mean	min	max
0 h after light	3.644375	3.30101	3.98774
4 h after light	1.605065	1.58282	1.62731
8 h after light	1.16792	1.08713	1.24871
4 h after dark	2.675925	2.28848	3.06337
8 h after dark	2.783465	2.50708	3.05985
12 h after dark	2.64629	1.80208	3.4905