condition	mean	min	max
4 h after light	9.26719	9.16977	9.396419999999999
8 h after light	8.701296666666666	8.30097	9.00623
12 h after light	8.54869	8.258989999999999	8.7157
4 h after dark	9.531016666666666	9.22284	9.88073
8 h after dark	9.22493	8.90046	9.52713
12 h after dark	9.151746666666666	8.941360000000001	9.41194