condition	mean	min	max
4 h after light	8.7459335	8.122984	9.368883
8 h after light	8.35283	8.20813	8.49753
12 h after light	9.835986	9.774864	9.897108
4 h after dark	9.546079500000001	9.441544	9.650615
8 h after dark	9.5394055	9.033226	10.045585
12 h after dark	9.407407	9.407407	9.407407