I just installed my Rachio 3 this past week. I feel that it is watering to much. On the sides of my house I dont get much sun and I believe I had adjusted all of the settings correctly and its still soggy, same with my back yard.
Post screenshots of your settings.
First off, how well established is your yard? I’d think for a well established lawn you would be closer to 6"…but that is a minor change.
What nozzles do you have on your sprinklers? 1.5"/hr might be on the low side if you have spray nozzles. If you can find the manufacturer and model, we can try to fine tune this…