condition	mean	min	max
0 h after light	6.370105000000001	6.2817	6.45851
4 h after light	5.182285	3.82708	6.53749
8 h after light	22.37585	19.0149	25.7368
4 h after dark	22.120649999999998	16.634	27.6073
8 h after dark	12.78915	11.661	13.9173
12 h after dark	6.635655	5.11766	8.15365