[ncl-talk] -nan value in Netcdf file

[Xin Xi]

Hi, I have a NC file containing a 2D variable with a few -nan values. When
I print min and max of the variable, it gives me -nan in both cases. I
donot know how they come from - likely due to strange model behavior. The
variable has a _FillValue property. I donot know how to remove or replace
the -nan values with the fill value. I tried the replace_ieeenan procedure,
but it replaces the entire variable with FillValue.
Pls help.
Thanks.
Xin
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