condition	mean	min	max
4 h after light	9.441197500000001	8.605562	10.276833
8 h after light	8.219751	7.83394	8.605562
12 h after light	7.7624935	7.479439	8.045548
4 h after dark	8.104647	7.068669	9.140625
8 h after dark	8.7623435	8.576172	8.948515
12 h after dark	8.454672	8.454672	8.454672