Field glossaryPRPrecipitation rate, the depth a zone applies per hour in inches per hour, measured or calculatedUsed across 2 Anvilfield field guides, most in Landscaping. Where this shows upLandscapingIrrigation controller programmingLandscapingIrrigation audit field guide Related termsET / ETo / ETcPrecipitation rate (PR)GPMHydrozone Back to the full field glossary