RasterBrick with 4078 daily chirps rainfall.

Hi, welcome!

and when i want to extract information from bands i get all 0.

It's hard to tell whats going on with the information provided.

Any way you could pose this with a minimal REPRoducible EXample (reprex)? A reprex makes it much easier for others to understand your issue and figure out how to help.

If you've never heard of a reprex before, you might want to start by reading this FAQ: