condition	mean	min	max
4 h after light	9.394096666666666	9.00089	9.621780000000001
8 h after light	9.547636666666666	9.207989999999999	9.732999999999999
12 h after light	9.64267	9.37827	9.83792
4 h after dark	9.496086666666667	9.13888	9.73195
8 h after dark	9.127600000000001	8.57128	9.439210000000001
12 h after dark	9.172556666666667	8.86052	9.3984