condition	mean	min	max
4 h after light	8.0146665	7.764853	8.26448
8 h after light	7.957314	7.166559	8.748069
12 h after light	8.440218	8.359278	8.521158
4 h after dark	8.664024000000001	8.172688	9.15536
8 h after dark	8.1887475	7.734087	8.643408
12 h after dark	8.359278	8.359278	8.359278