condition	mean	min	max
4 h after light	10.8439	10.5839	11.1039
8 h after light	9.875815	9.80645	9.94518
12 h after light	8.89331	8.87111	8.91551
4 h after dark	11.9046	11.596	12.3459
8 h after dark	12.1464	11.0484	12.8611
12 h after dark	12.202866666666667	11.2696	12.6886