[Equest-users] Updated Canadian CWEC Weather Files

[Ng, Jason]

Hi Joe,

Thanks for the swift reply.

Indeed, this was the documentation I was referring to in my email. The documentation was published in 2008 whereas the CWEC files were uploaded to their ftp site in July 2017. I had a feeling they simply did not update the documentation when they updated the CWEC files so I wanted to confirm the dates used directly in the files somehow. Is this not possible?

[Bouthillette Parizeau]<http://www.bpa.ca/>

Jason Ng_ing. M.Sc.A.
jng at bpa.ca | t: 5143833747x2813



De : Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] De la part de Joe Huang via Equest-users
Envoyé : 11 janvier 2018 11:37
À : equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>
Objet : Re: [Equest-users] Updated Canadian CWEC Weather Files


According to the last documentation (see attached Release 9 dated Oct. 23 2008, see Appendices D and E at the end), the periods of record vary from place to place, but most end in 1989.

Joe

Joe Huang

White Box Technologies, Inc.

346 Rheem Blvd., Suite 205A

Moraga CA 94556

yjhuang at whiteboxtechnologies.com<mailto:yjhuang at whiteboxtechnologies.com>

http://weather.whiteboxtechnologies.com for simulation-ready weather data

(o) (925)388-0265

(c) (510)928-2683

"building energy simulations at your fingertips"
On 1/11/2018 7:50 AM, Ng, Jason via Equest-users wrote:
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 The text files available on their ftp site are outdated (they maintain the CWEC files are based on data from 1960-1989), and the descriptions on the website are ambiguous.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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