condition	mean	min	max
4 h after light	6.353155	5.80172	6.90459
8 h after light	6.156280000000001	5.74505	6.56751
12 h after light	5.649940000000001	5.35737	5.94251
4 h after dark	8.724136666666666	8.08858	9.15425
8 h after dark	7.113246666666667	6.84621	7.42031
12 h after dark	6.875546666666667	6.30839	7.77219