condition	mean	min	max
4 h after light	6.170165	5.74018	6.60015
8 h after light	2.2729299999999997	1.79758	2.74828
12 h after light	1.67821	1.66525	1.69117
4 h after dark	4.82277	4.66218	4.98336
8 h after dark	5.4057949999999995	5.23114	5.58045
12 h after dark	6.226015	5.98923	6.4628