The CO would ask if there was anything happening in the congregation that was grieving the spirit when the average hours were below the National average.
After I turned apostate but was still an elder (and after the COBE and his mate had lied to the body and fixed a JC in favour of his daughter), the CO told the elders he could feel Jehovah's spirit operating on the body and the congregation. Needless to say the congregation average hours at the time were higher than the national average.