condition	mean	min	max
4 h after light	7.25615	6.2519	8.2604
8 h after light	10.291215	9.05553	11.5269
12 h after light	14.295935	9.63437	18.9575
4 h after dark	8.125963333333333	7.21169	8.59283
8 h after dark	10.02122	9.67038	10.4304
12 h after dark	9.081093333333333	8.21219	9.95823