code: def read_srml_month_from_solardat(station, year, month, filetype='PO'):
      
      file_name = "{station}{filetype}{year:02d}{month:02d}.txt".format(
          station=station,
          filetype=filetype,
          year=year % 100,
          month=month)
      url = "http://solardat.uoregon.edu/download/Archive/"
      data = read_srml(url + file_name)
      return data
docs: Request a month of SRML[1] data from solardat and read it into
      a Dataframe.
  
      Parameters
      ----------
      station: str
          The name of the SRML station to request.
      year: int
          Year to request data for
      month: int
          Month to request data for.
      filetype: string
          SRML file type to gather. 'RO' and 'PO' are the
          only minute resolution files.
  
      Returns
      -------
      data: pd.DataFrame
          One month of data from SRML.
  
      References
      ----------
      [1] University of Oregon Solar Radiation Measurement Laboratory
          `http://solardat.uoregon.edu/ <http://solardat.uoregon.edu/>`_