condition	mean	min	max
4 h after light	8.3953325	8.216804	8.573861
8 h after light	8.808977	8.573861	9.044093
12 h after light	9.0310385	8.493151	9.568926
4 h after dark	8.530478500000001	7.97693	9.084027
8 h after dark	8.846193	8.615419	9.076967
12 h after dark	6.868632	6.868632	6.868632