Re: [EnergyPlus_Support] Weather file interpretation

["Linda Lawrie linda@xxxxxxxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx>]

Look in the InputOutput Reference under "Weather
Data" -- it's toward the end of the document (at least in
V8.1).

It is explained there.

At 08:14 AM 1/18/2017, clmentribault@xxxxxxxxx [EnergyPlus_Support]
wrote:


> Hi, 
>
>
> I searched in EnergyPlus documentation but I did not find information
> about how weather data are interpreted by EnergyPlus. 
>
>
> Indeed, weather date are given per hour, but the default simulation
> timestep is 10 min. With this simulation timestep I wonder how, for
> example, the exterior temperature at 12:40 is calculated knowing that we
> only have weather data for 12:00 and 13:00. 
>
>
> So, is the value given in the weather file at 12:00 is regarded by
> EnergyPlus as: 
>
> - an instantaneous value, that last from 12:00 to 12:59?
>
> - an instantaneous value that is used with the value given at 13:00 to
> make an interpolation, for instance to obtain the value at
> 12:40?
>
> - an average value calculated for one our, but in this case is it
> calculated from 11:00 to 12:00, 12:00 to 13:00 or 12:30 to 13:30?
>
>
> Thanks for your help!

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Posted by: Linda Lawrie <linda@xxxxxxxxxxxxxx>

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