condition	mean	min	max
0 h after light	2.194945	1.81092	2.57897
4 h after light	1.1698505	0.918741	1.42096
8 h after light	3.211285	3.07825	3.34432
4 h after dark	3.690385	3.65216	3.72861
8 h after dark	2.590235	2.54311	2.63736
12 h after dark	1.609755	1.34843	1.87108