condition	mean	min	max
0 h after light	9.417145	9.40875	9.42554
4 h after light	7.036099999999999	6.77468	7.29752
8 h after light	5.744009999999999	4.5922	6.89582
4 h after dark	7.839035	7.79277	7.8853
8 h after dark	8.374685	8.34779	8.40158
12 h after dark	9.737715000000001	8.70123	10.7742