การตัดทอนวันที่

-- Select just the actual date from the date field
SELECT ___(___) as day,
       -- Calculate the average daily humidity from hourlyrelativehumidity
       ___(___)
  FROM public_intro_redshift.coffee_county_weather
 -- Group by the day
 GROUP BY ___
 -- Order by the day in reverse chronological order.
 ORDER BY day ___;