condition	mean	min	max
4 h after light	9.8398	9.766960000000001	9.8984
8 h after light	9.80936	9.647780000000001	9.91743
12 h after light	9.716916666666666	9.6598	9.7571
4 h after dark	9.522023333333332	9.344489999999999	9.717839999999999
8 h after dark	9.465806666666667	9.21326	9.64575
12 h after dark	9.43941	9.21764	9.68234