condition	mean	min	max
4 h after light	10.012255	9.24261	10.7819
8 h after light	7.72011	7.47874	7.96148
12 h after light	9.710105	9.49416	9.92605
4 h after dark	13.0944	11.3159	14.8729
8 h after dark	13.52485	13.0749	13.9748
12 h after dark	12.071950000000001	11.7636	12.3803