condition	mean	min	max
4 h after light	10.272655	8.69381	11.8515
8 h after light	10.9689	10.8483	11.0895
12 h after light	9.04966	8.38745	9.71187
4 h after dark	10.15302	9.17606	10.956
8 h after dark	19.014666666666667	18.5904	19.5432
12 h after dark	13.987866666666667	12.6593	16.0138