condition	mean	min	max
4 h after light	2.80432	2.54362	3.06502
8 h after light	4.181274999999999	3.87007	4.49248
12 h after light	6.361805	6.32701	6.3966
4 h after dark	4.198195	4.08269	4.3137
8 h after dark	3.5033149999999997	3.17615	3.83048
12 h after dark	3.485755	3.44792	3.52359