Check sprinkler filters and nozzles for clogs from debris or arduous water scale

https://cesarotbm223.rivetgarden.com/posts/diy-vs-professional-lawn-sprinkler-setup-what-you-need-to-consider

Check sprinkler filters and nozzles for clogs from particles or hard water scale. Routine cleaning restores spray styles, improves efficiency, and forestalls misting that wastes water to evaporation.