condition	mean	min	max
4 h after light	2.862235	2.53322	3.19125
8 h after light	3.719705	3.41334	4.02607
12 h after light	7.9259450000000005	7.71398	8.13791
4 h after dark	12.7094	12.4991	12.9197
8 h after dark	6.45279	6.34557	6.56001
12 h after dark	5.844455	5.56349	6.12542