condition	mean	min	max
4 h after light	8.629150000000001	8.362910000000001	8.84474
8 h after light	9.608166666666667	9.26499	9.84706
12 h after light	7.56707	7.358619999999999	7.7386800000000004
4 h after dark	10.132163333333333	10.03464	10.24817
8 h after dark	10.532966666666667	10.214310000000001	10.853069999999999
12 h after dark	10.383346666666666	10.23909	10.63459