condition	mean	min	max
4 h after light	1.0637295	0.907599	1.21986
8 h after light	1.192246	0.982162	1.40233
12 h after light	1.01246	0.87988	1.14504
4 h after dark	2.634925	2.31795	2.9519
8 h after dark	2.309365	2.27156	2.34717
12 h after dark	1.671545	1.46543	1.87766