condition	mean	min	max
4 h after light	1.3906	1.26352	1.51768
8 h after light	1.529785	1.4432	1.61637
12 h after light	1.4765	1.38187	1.57113
4 h after dark	2.86988	2.53068	3.20908
8 h after dark	3.343865	3.14256	3.54517
12 h after dark	2.27877	1.92955	2.62799