I need to get average precipitation for certain land parcels. I've found several layers which could offer this information but queries do not return results or indicate error. Below is example of my request ( our application uses javascript api). I need result as number inches/yard or similar?

Query: Average annual precipitation (inches/yr) (ID: 21)

query that returns error Query: Annual Precipitation (ID: 0)

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    – PolyGeo
    Commented Feb 8, 2017 at 21:28