Check sprinkler filters and nozzles for clogs from particles or onerous water scale

https://erickrzli723.capitaljays.com/posts/winterizing-your-system-necessary-sprinkler-maintenance-tips

Check sprinkler filters and nozzles for clogs from debris or not easy water scale. Routine cleaning restores spray patterns, improves effectivity, and stops misting that wastes water to evaporation.