Apparently it seems to be impossible with these files and the best AI right now to answer the simple question, will it rain in midtown Manhattan tomorrow?

Take an umbrella if you're concerned.

What is possible is to know with near certainty the rough tonnage of water that will fall across a wide area grain region in an upcoming week.

Useful for the reliable production of grain (timing seeding, harvesting, spraying, etc) in the millions of tonnes.