condition	mean	min	max
4 h after light	8.09003	6.99999	9.18007
8 h after light	4.399805	3.96601	4.8336
12 h after light	1.722935	1.64687	1.799
4 h after dark	0.5334924999999999	0.465703	0.601282
8 h after dark	0.380021	0.339457	0.420585
12 h after dark	1.88956	1.87985	1.89927