SEASONAL ADJUSTMENT is used to make run time changes without having to reprogram all of the individual station run times. This feature is perfect for making small changes that are necessary as weather conditions change due to seasonality. For example, during hotter times of the year, your landscape may require more water. Seasonal adjustment can be increased so that stations will run longer than the programmed time. Conversely, as fall approaches, the seasonal adjustment can be reduced to allow for shorter station watering durations. There are three separate seasonal adjustment modes that can be used independently for each program. Again, the selections are by program, and the steps need to be taken for each program:

• Seasonal Adjust Mode: Set a percentage adjustment to all run times by controller or program, or set a monthly schedule for the controller to follow automatically, assign the program to Solar Sync automatic adjustment.
• Controller: The Seasonal Adjust value will follow whatever has been set for the controller level. All programs set on controller will receive the same manual adjustment.
• Program: The Season Adjust factor entered here will only apply to the selected program, and is not affected by other adjustments.
• Monthly: Enter in advance the adjustment value for each month of the year (usually based on historical weather averages). These adjustments take effect automatically on the 1st of each month and do not change during the month.
• Solar Sync: Adjustments are made to the selected program automatically by a Solar Sync Sensor attached to the controller. This requires a sensor, and setup at the Devices menu, Setup Solar Sync.