Netro gets weather forecast data from our weather provider, which could be not accurate enough, as weather forecasting is challenging. You can check the weather data on the home tab or in the discover page. The rain amount is small(less than 0.1 inch) so it did not increase the moisture level a lot, this is why Netro still watered your zones after rain.
If it is not correct, you can select other weather provider in settings->weather provider, you can also select the weather station ID with the Wunderground option. Currently the app has a bug to prevent user add station ID from the app, it will be fixed soon in our next release. We can help you change.
With incorrect weather data, Netro’s smart algorithm could be not optima. You can also adjust the rain data through Discover page->"+" button on the upper right corner-> Correct rainfall.
If you think the smart schedules water too much , you can either change to different smart zone mode (ECO), or you can set up your own programs and set up your smart zone in basic level. Please check this article for more info. https://netrohome.com/forum/posts/111