condition	mean	min	max
4 h after light	9.1925745	8.507971	9.877178
8 h after light	8.279316	8.050661	8.507971
12 h after light	8.001682	7.410483	8.592881
4 h after dark	8.8782975	8.808332	8.948263
8 h after dark	10.012784	8.507971	11.517597
12 h after dark	7.998541	7.998541	7.998541