Join WP_User_Query to custom table

I have a table set up as

row_id, user_id, field1, field2, field3, field4, date

user_id is not unique

i need to join this table with WP_User_Query to get the results, note: i will need to do aggrgate processes on my table to combine data based on the user_id.

is this possible or do I need to do custom queries?

Thanks