One acre of landscaping supplemented with 1" of water per week will use 108,616 gallons of water per month. At a cost of $4.00 per thousand gallons of water, your water bill will run $434.40. A Weathermatic controller with weather station can save you 20-50% on water usage. This is a potential savings of $86.88 to $217.2 per month. The controller and weather station can easily pay for themselves in just a few months. At this point the cost of the system is FREE. Future savings go back in your pocket. The SmartLine Weathermatic family of controller and weather stations give landscape and home owners an inexpensive way to keep watering costs down and give you peace of mind that your landscape is being irrigated wisely.