condition	mean	min	max
4 h after light	3.7966820000000006	3.559375	4.0526800000000005
8 h after light	2.5901523333333336	1.5800969999999999	3.1186540000000003
12 h after light	2.0794259999999998	1.538565	2.784016
16 h after light	4.246328	2.998311	5.6262300000000005
4 h after dark	4.147840666666666	2.850366	6.147532
8 h after dark	3.520823666666667	1.919589	5.931091