OpenSprinkler › Forums › OpenSprinkler Unified Firmware › watering percentage does not affect Program Preview? › Reply To: watering percentage does not affect Program Preview?
Did you set your sprinkler programs to ‘Use Weather Adjustment’? This option is off by default. The preview does account for the watering percentage parameter for the future (as long as the weather adjustment method is Manual. If the weather adjustment method is Zimmerman, it will use the calculated percentage for today but 100% for future days)