condition	mean	min	max
4 h after light	10.899575	9.60955	12.1896
8 h after light	10.890345	9.75269	12.028
12 h after light	7.11972	6.58817	7.65127
4 h after dark	9.363116666666667	8.56418	10.2935
8 h after dark	11.296866666666666	11.2105	11.3512
12 h after dark	12.5883	11.814	13.535