condition	mean	min	max
4 h after light	4.82632	4.31335	5.33929
8 h after light	7.11679	6.75032	7.48326
12 h after light	8.475145000000001	7.90625	9.04404
4 h after dark	8.082426666666667	7.25265	8.51916
8 h after dark	6.678246666666666	6.16973	7.27053
12 h after dark	5.070756666666667	4.67832	5.28356