def hourly_dew_point_values(self, dry_bulb_condition):
        """Get a list of dew points (C) at each hour over the design day.

        args:
            dry_bulb_condition: The dry bulb condition for the day.
        """
        hourly_dew_point = []
        max_dpt = self.dew_point(dry_bulb_condition.dry_bulb_max)
        for db in dry_bulb_condition.hourly_values:
            if db >= max_dpt:
                hourly_dew_point.append(max_dpt)
            else:
                hourly_dew_point.append(db)
        return hourly_dew_point