Use precipitation probability in rules engine

[deckerego]

See also https://www.weather.gov/media/pah/WeatherEducation/pop.pdf

Use precipitation probability in the rules engine to determine if we should enable the sprinkler switch on a given date

Thx to Beth for suggestion!

[deckerego]

This isn't available in the NOAA GFS API, but might be in the NOAA API Web Service: https://www.weather.gov/documentation/services-web-api