What is normal weight fluctuation in a chinchillla?

Disclaimer: I know I am likely overthinking/overinterpreting things since I just lost my other chin, but just want to make sure.

Hello again!

I've been weighing Susu every couple of days this past month just to monitor how she's doing with the loss of her buddy. She's a big girl (has been above 700g for as long as I've had her). When I weighted her in late November she was around 750g. Since then she's mostly weighted in the 760s range, but the...

What is normal weight fluctuation in a chinchillla?