condition	mean	min	max
4 h after light	2.16901	0.0	4.0486
8 h after light	5.02294	1.44116	7.75179
12 h after light	6.13979	5.89129	6.35995
4 h after dark	10.641916666666667	7.14975	13.3505
8 h after dark	6.8823	3.38746	11.1575
12 h after dark	6.547006666666666	5.52718	8.3354