condition	mean	min	max
4 h after light	4.64795	3.97432	5.32158
8 h after light	2.064745	0.0	4.12949
12 h after light	8.54364	5.04238	12.0449
4 h after dark	1.98261	0.0	5.94783
8 h after dark	14.3248	10.2881	19.1031
12 h after dark	9.855333333333334	3.87733	21.2556