Question

how to predict rainfall

Answer 1

Best way to predict rainfall is using parameter.

Answer 2

Animals:1.If the birds are flying high in the sky, fair weather will stay around.
2.If cattle seek a corner of a field or lie down in a group in the fields, a severe storm is imminent.
3.Cats will clean their ears before a rain.
4.Spiders come down from their webs before a rain.
5.The louder the frogs, the more the rain.