Seasonal adjustment for a schedule rule (watering time).

        This adjustment amount will be applied to the overall run time of the
        selected schedule while overriding any current adjustments.

def seasonalAdjustment(self, sched_rule_id, adjustment):
        """Seasonal adjustment for a schedule rule (watering time).

        This adjustment amount will be applied to the overall run time of the
        selected schedule while overriding any current adjustments.
        """
        path = 'schedulerule/seasonal_adjustment'
        payload = {'id': sched_rule_id, 'adjustment': adjustment}
        return self.rachio.put(path, payload)