condition	mean	min	max
4 h after light	9.010144	8.730491	9.289797
8 h after light	9.331319	8.744284	9.918354
12 h after light	8.2670445	7.748429	8.78566
4 h after dark	8.4537285	7.658603	9.248854
8 h after dark	9.3998875	8.629867	10.169908
12 h after dark	8.11051	8.11051	8.11051