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[EnergyPlus_Support] Re: Day type from Weather file
- To: EnergyPlus_Support@xxxxxxxxxxxxxxx
- Subject: [EnergyPlus_Support] Re: Day type from Weather file
- From: "Niraj Poudel" <nirajpoudel@xxxxxxxxx>
- Date: Mon, 11 Jul 2011 16:04:26 -0000
- Delivered-to: mailing list EnergyPlus_Support@xxxxxxxxxxxxxxx
- Delivery-date: Mon, 11 Jul 2011 10:04:39 -0600
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If you open your weatherfile in Excel .CSV format. There you will find a column for "Opaque Sky Cover" that denotes the "clearness" of the sky.
Page 65 of AuxiliaryPrograms.Pdf says:
"Field: Opaque Sky Cover
This is the value for opaque sky cover (tenths of coverage). (i.e. 1 is 1/10 covered. 10 is total coverage). (Amount of sky dome in tenths covered by clouds or obscuring phenomena that prevent observing the sky or higher cloud layers at the time indicated.) This is not used unless the field for Horizontal Infrared Radiation Intensity is missing and then it is used to calculate Horizontal Infrared Radiation Intensity. Minimum value is 0; maximum value is 10; missing value is 99."
Niraj Poudel
Clemson University
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Vinay Devanathan <vinay.devanathan@...> wrote:
>
> Dear All,
>
> I would like to know if there is a way to determine the day type from a
> weather file, like say separate days with clear skies, mildly cloudy, cloudy
> etc.
>
> Any suggestions or help would be great.
>
> Thank you.
>
> Vinay
>
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