docs: def next(self):
          """Weather data record.
  
          Yields:
              dict
          """
          record = self.epw_data.next()
          local_time = _muck_w_date(record)
          record['datetime'] = local_time
          # does this fix a specific data set or a general issue?
          if self.DST:
              localdt = self.local_tz.localize(record['datetime'])
              record['utc_datetime'] = localdt.astimezone(pytz.UTC)
          else:
              record['utc_datetime'] = local_time - \
                  datetime.timedelta(hours=self.TZ)
  
          return record