climate. n. 1. (Physical Geography) the long-term prevalent weather conditions of an area, determined by latitude, position relative to oceans or continents, altitude, etc. 2. (Physical Geography) an area having a particular kind of climate. 3. a prevailing trend or current of feeling: the political climate.
To achieve this goal most spray head zones (sprinklers that do not rotate) need to run approximately 15 minutes and rotor zones (sprinklers that do rotate) need to run approximately 45 minutes. If you have much slope on your lawn areas you may need to run 2 cycles but with shorter run times on the zones.
In many cases, you can have the test completed when activating your sprinkler system for the summer. Tests cost between $25-50, and are good for one year. In the event of a failed test, certified testers can generally repair backflow devices in the field for a minimal additional fee.