Any successful farmer will tell you that striking the right balance of water in your fields is the key to achieving a consistent and healthy yield. Historically, a crude rain gauge would be used at a single point on a farm that would give the farmers a bit of information about the rainfall on their fields.
Today, complete rainfall systems have been developed that monitor rainfall across multiple points. These systems also work with forecast tech to highlight areas that farmers need to ensure receive water and also flag up problem areas that aren’t draining that could easily be missed (especially across farms with large acreage).
Plug these precipitation monitors into your irrigation system and you have a fully autonomous irrigation network that will keep your fields balanced without you so much as lifting a finger. Precision farming irrigation is just that, incredibly precise with some systems capable of keeping a field at its optimum to the nearest drop of water.