condition	mean	min	max
4 h after light	4.246705	3.41811	5.0753
8 h after light	8.005880000000001	6.86232	9.14944
12 h after light	12.64105	12.0094	13.2727
4 h after dark	11.2991	11.0818	11.6816
8 h after dark	9.568316666666666	8.30395	11.603
12 h after dark	6.847663333333333	6.14278	7.70268