Automatic Landscape Sprinkler Calculator for the Seattle Area

Below are three options for generating watering schedules for automatic irrigation systems. The calculator is designed to provide for basic landscape water requirements in the Seattle metropolitan area.

Understanding Evapotranspiration (ET), the Irrigation Index and Watering Cycles

Please choose from the options below

• Basic monthly schedule for homeowners
• Monthly schedule for controllers with water percent adjustment control
• For irrigation professionals

PLEASE NOTE:
This scheduling calculator is designed for the Seattle region

The use of the weather network constitutes your acceptance to these terms of use.