You might not like my suggestion but here it is. Replace your controller with a Rachio 3 controller, or one of the other "internet connected" controllers, and spend a little time setting it up. It will irrigate when required based on recent rain, temperature, wind, forecasted rain, soil type, scrubs vs. grass, etc. using nearby weather reporting stations. They are trivial to install - one wire per zone plus a common. Setting up is done via a smartphone app. While it will also accommodate a rain gauge, I don't bother with one as they seem to not last very long. The reported rainfall that the Rachio obtains via the internet from nearby reporting stations is reasonably accurate.
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Originally Posted by dietpepsi
we have a courtyard villa with all rocks but with only shrubs and bushes, can someone help me with setting up sprinkle settings : number days of week for watering,, length of time for zones,, up north we watered from approximately 2-3 hours before sunrise to minimize evaporation, any guidance of your expertise
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