condition	mean	min	max
4 h after light	8.253698	6.880554	9.626842
8 h after light	8.1332715	7.497764	8.768779
12 h after light	7.5391189999999995	7.474629	7.603609
4 h after dark	7.99691	7.99077	8.00305
8 h after dark	8.1937635	8.178245	8.209282
12 h after dark	7.99077	7.99077	7.99077