condition	mean	min	max
4 h after light	9.0486805	8.446746	9.650615
8 h after light	8.067381000000001	7.998839	8.135923
12 h after light	7.9399555	7.805719	8.074192
4 h after dark	8.620027	7.589439	9.650615
8 h after dark	8.85225	8.146619	9.557881
12 h after dark	8.970901	8.970901	8.970901