[RE-wrenches] Handy Map for ASHRAE temperatures

Jesse Dahl dahlsolar at gmail.com
Tue Dec 14 19:06:16 PST 2010


I saw that right after I sent it! Thanks for the information.

Jesse

Sent from my iPad!!!

On Dec 14, 2010, at 7:23 PM, "Bill Brooks" <billbrooks7 at yahoo.com> wrote:

> Jesse,
> 
> The map is in degrees C not F and it is for the mean extreme minimum drybulb
> temperature from the ASHRAE Fundamentals 2009 edition.
> 
> It is a statistical lowest expected temperature for calculating the maximum
> voltage of a PV array.
> 
> Bill.
> 
> -----Original Message-----
> From: re-wrenches-bounces at lists.re-wrenches.org
> [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Jesse Dahl
> Sent: Tuesday, December 14, 2010 4:16 PM
> To: RE-wrenches
> Subject: Re: [RE-wrenches] Handy Map for ASHRAE temperatures
> 
> The low temperatures for northern MN are off.  -36F for Hibbing, Ely.....
> It was -36.5 yesterday in Tower, the record low temp in Tower is -60F, that
> is not wind chill temp, it was -60F.  Maybe I was reading it wrong, but
> check that out.....
> 
> 
> Jesse   
> 
> Sent from my iPad!!!
> 
> On Dec 14, 2010, at 10:06 AM, Dave Click <daveclick at fsec.ucf.edu> wrote:
> 
>> Hi all,
>> 
>> My awesome coworker James converted the ASHRAE temperature data in the
> back of the Solar ABCs expedited permitting guide from a spreadsheet into a
> map format. Thought I'd run it by the list to see if there are any changes
> you'd recommend (probably best if you reply to me off-list). If you zoom out
> too far, it takes a while for the map to load- and since I'm sending this
> out to 300 people (or whatever) it may be a bit slow for all of you who
> click this link at 11:10am ET today...
>> http://www.solarabcs.org/permitting/map/index.html
>> 
>> Hopefully this proves helpful for you when you're calculating VOCs in new
> geographical areas. Temperatures are all in degC.
>> 
>> Thanks,
>> Dave
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