condition	mean	min	max
4 h after light	9.5118765	8.687286	10.336467
8 h after light	8.883774	8.213957	9.553591
12 h after light	8.147669	7.315653	8.979685
4 h after dark	8.258731000000001	7.997504	8.519958
8 h after dark	8.6225545	8.526671	8.718438
12 h after dark	8.300078	8.300078	8.300078