condition	mean	min	max
4 h after light	9.5507145	9.023836	10.077593
8 h after light	7.934327	7.68009	8.188564
12 h after light	7.62747	7.048831	8.206109
4 h after dark	8.223932000000001	7.820064	8.6278
8 h after dark	7.9184874999999995	7.816209	8.020766
12 h after dark	10.632923	10.632923	10.632923