condition	mean	min	max
4 h after light	2.8307	2.6855	2.9759
8 h after light	1.63066	1.55939	1.70193
12 h after light	1.48835	1.44758	1.52912
4 h after dark	1.88633	1.7961	1.97035
8 h after dark	2.02164	1.98552	2.07809
12 h after dark	2.0971533333333334	1.95616	2.21435