Check sprinkler filters and nozzles for clogs from particles or not easy water scale

https://erickrzli723.capitaljays.com/posts/watering-area-planning-more-intelligent-sprinkler-setup-approaches

Check sprinkler filters and nozzles for clogs from debris or challenging water scale. Routine cleansing restores spray styles, improves efficiency, and prevents misting that wastes water to evaporation.