condition	mean	min	max
4 h after light	9.918063	9.863404	9.972722
8 h after light	8.733666	8.635235	8.832097
12 h after light	8.818880499999999	8.058727	9.579034
4 h after dark	7.843483	7.652274	8.034692
8 h after dark	8.519103	8.206109	8.832097
12 h after dark	10.758742	10.758742	10.758742