condition	mean	min	max
4 h after light	8.247160000000001	8.001169	8.493151
8 h after light	7.811216	7.272385	8.350047
12 h after light	8.493151	8.493151	8.493151
4 h after dark	9.552786999999999	9.138912	9.966662
8 h after dark	9.7559215	8.493151	11.018692
12 h after dark	8.083511	8.083511	8.083511