[Equest-users] Updated Canadian CWEC Weather Files

Thu Jan 11 09:23:59 PST 2018

It's just occurred to me that you were asking for the periods of record 
for the NEW CWEC, whereas I thought you were asking about the earlier 
CWEC2!

I haven't looked at the new CWEC, but the epw format should also so the 
years for each historical month.  Having said that, looking at the years 
on the files does not give you an accurate reading of the period of record.

Joe

Joe Huang 	
White Box Technologies, Inc.
346 Rheem Blvd., Suite 205A
Moraga CA 94556
yjhuang at whiteboxtechnologies.com
http://weather.whiteboxtechnologies.com for simulation-ready weather data
http://www.whiteboxtechnologies.com
(o) (925)388-0265
(c) (510)928-2683
"building energy simulations at your fingertips"

On 1/11/2018 8:59 AM, Ng, Jason via Equest-users wrote:
>
> Ah Thanks Chris!
>
> I opened the .epw files but didn’t bother checking the wy3 files for 
> the dates as I figured they were identical. This confirms my theory 
> that the documentation is not up to date!
>
> Thanks,
>
> Bouthillette Parizeau <http://www.bpa.ca/>
>
> 	
>
> *Jason****Ng**_ing. M.Sc.A.***
>
> jng at bpa.ca | t: 5143833747x2813
>
> *De :* Jones, Christopher [mailto:Christopher.r.Jones at wsp.com]
> *Envoyé :* 11 janvier 2018 11:52
> *À :* Ng, Jason <jng at bpa.ca>
> *Cc :* equest-users at onebuilding.org
> *Objet :* RE: Updated Canadian CWEC Weather Files
>
> Go to this site:
>
> http://climate.weather.gc.ca/prods_servs/engineering_e.html
>
> Select “Canadian Weather Year for Energy Calculation (CWEC) to get to 
> the site with the weather files:
>
> ftp://ftp.tor.ec.gc.ca/Pub/Engineering_Climate_Dataset/Canadian_Weather_year_for_Energy_Calculation_CWEC/ENGLISH/
>
> The release notes haven’t been updated to reflect the latest set of 
> CWEC files. Select CWEC_v_2016.
>
> In the zip file for each province is the latest set of CWEC files in 
> pairs – the .epw file and the .wy3 file. The .wy3 file lists the year 
> used for each month of data. For example, the Charlottetown, PEI file 
> uses data from 1999 to 2013.
>
> **
>
> *Christopher R. Jones*, P.Eng.
>
> Technical Specialist
>
> Sustainability & Energy
>
> T +1 416-644-0252
>
> 2300 Yonge Street, Suite 2300
>
> Toronto, ON M4P 1E4 Canada
>
> wsp.com
>
> __
>
> **
>
> /Please consider the environment before printing.../
>
> *From:*Equest-users 
> [mailto:equest-users-bounces at lists.onebuilding.org] *On Behalf Of *Ng, 
> Jason via Equest-users
> *Sent:* Thursday, January 11, 2018 10:50 AM
> *To:* equest-users at lists.onebuilding.org 
> <mailto:equest-users at lists.onebuilding.org>
> *Subject:* [Equest-users] Updated Canadian CWEC Weather Files
>
> Hello all,
>
> The government of Canada seems to have updated their engineering 
> climate data sets to be used for energy simulations. The new data sets 
> can be found here:
>
> http://climate.weather.gc.ca/prods_servs/engineering_e.html
>
> I quickly compared a CWEC file available from the doe2 website with 
> the latest CWEC_V_2016 file from the website above for the same city 
> and sure enough the number of heating degree days have been reduced 
> and cooling degree days have gone up.
>
> The issue I have with these files is I can’t seem to determine what 
> years they are based on. The text files available on their ftp site 
> are outdated (they maintain the CWEC files are based on data from 
> 1960-1989), and the descriptions on the website are ambiguous.
>
> Given the recent flurry of activity on weather files, I figured 
> someone would be able to answer this pretty quickly!
>
> Many thanks,
>
> Vœux pour 2018 : *_Santé_* pour s’adapter aux changements + 
> *_Bonheur_* avec les vôtres + *_Volonté_* de poser des gestes pour 
> améliorer l’environnement + *_Idée miracle_* pour gérer facilement les 
> courriels! Bonne année!
>
> Bouthillette Parizeau <http://www.bpa.ca/>
>
> 	
>
> *Jason**Ng**_ing. M.Sc.A.***
>
> jng at bpa.ca <mailto:jng at bpa.ca>   | www.bpa.ca 
> <http://www.bpa.ca>  |  t: 5143833747x2813
>
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