condition	mean	min	max
4 h after light	9.370265	8.59543	10.1451
8 h after light	10.90455	10.6219	11.1872
12 h after light	10.008009999999999	8.67732	11.3387
4 h after dark	6.33517	5.10542	7.29126
8 h after dark	4.274893333333333	3.91099	4.85265
12 h after dark	10.904433333333333	10.7341	11.2355