After click “edit” , you can click “Edit Query” to edit the query structure.
And you can edit “site id” and “date” manually by the button on the right side shown as below.
After click “Value(s) from list”, you can see the below picture and select site id(s) which matchs your request, such as “CH,HD,HP,LG,ZC” means those sites are all from Guangzhou Mobile.
And also you can select the “date” for your request.
And also select “hour” from “Value(s) from list.