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[IDV #IYV-263529]: Total sum over time steps



> Hi,
> I'm trying to plot accumulated rainfall for a 24-hour period midway through
> a GFS model run. I've tried the formula "Total sum over time steps", but
> when I select a subset of the times, it gives me the accumulated precip
> over the last few time steps of the model run, not the times of interest.
> Is there a way to do this?
> thanks,
> alan
> 
> .xidv attached
> 
> --
> Alan Bol
> Project Lead | Scientist | Instructional Design
> 303.497.8334 voice
> 303.497.8491 fax
> 
> 
HI Alan,

The "Total sum over time steps" does exactly what you were seeing. The result 
field has
no time associated with it. If you want the result to associate with the last 
time
step, please try another formula: sumFromBaseTime(field), this one is not in 
the list,
but you can type in from:
Formula > Grids > Define a grid diagnostic.

let me know if this is not what you want.

Yuan

Ticket Details
===================
Ticket ID: IYV-263529
Department: Support IDV
Priority: Normal
Status: Closed
===================
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