condition	mean	min	max
4 h after light	7.833347	7.833347	7.833347
8 h after light	7.60957	7.372023	7.847117
12 h after light	7.892666999999999	7.833347	7.951987
4 h after dark	7.852195999999999	7.646142	8.05825
8 h after dark	7.585641	7.084987	8.086295
12 h after dark	7.833347	7.833347	7.833347