Re: [EnergyPlus_Support] Liquid precipitation depth

[Linda Lawrie <linda@xxxxxxxxxxxxxx>]

Liquid Precipitation Depth is the newer designation that
came with the TMY3 data for actual rain data on the weather files. 
It shows up in TMY3 files.

I believe Site:Precipitation will get used even if there is rain data in
the weather file.  ie, it will trump whatever is there.

The Site:Precipitation object action is described in the Input Output
Reference.  One of its statements is not entirely correct as we are
now receiving files with rain (aka liquid precipitation) data.

Does this help?


At 01:44 AM 4/28/2010, vincent lacour wrote:
> Good morning,
> I got the following error message in energyplus:
> ** Warning ** Missing Data Found on Weather Data File
>    ************* Missing "Liquid Precipitation
> Depth", Number of items= 8760
>
> I copied to my idf file one of the schedule:compact object from the
> PrecipitationSchedulesUSA.idf file and added a site:precipitation
> object referring to this schedule.
> The resulting *.err file did not show any error concerning these new
> objects but the same message on missing liquid precipitation depth
> shows.
>
> My questions:
> 1/ What is the difference between "Site:Precipitation" and
> "Liquid
> Precipitation Depth"?
> 2/ If the site:precipitation object does not replace missing data in
> the weather file, what is the use of this object?
> 3/ Does energyplus use "Liquid Precipitation Depth"
> anyway?
>
> Thanks in advance for your help.
>
> Vincent
>
>
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