[Bldg-sim] [Equest-users] Hrly Solar Data

[Justin Spencer]

There are a variety of alternate sources for solar radiation data that are
collected by state and federal agencies.  CIMIS is a great source for
weather data in California, and there is a similar network in Arizona, whose
name escapes me at the moment. We have successfully built weather files
for eQuest using both. You are likely to have a hard time finding
measured direct normal solar radiation data for New Haven -- that's a
difficult measurement to take and there aren't all that many sites (I think
NOAA measures this at something like 50 sites across the US, then there are
various somewhat random research stations that might give you additional
options).  Are you sure you need measured direct normal solar?  That isn't
likely to be any more useful modeled direct normal solar based on global
horizontal solar and date/time/lat/long.

Sorry, I don't have a direct answer for you, but if you hunt around, you
should be able to find some horizontal solar data that's not too far off
from your location.
On Tue, Mar 9, 2010 at 9:57 AM, Steve Mignogna <smignogna at gmail.com> wrote:

> Eric-
>
> I do not think that NREL provides hourly data from 2009. The links on that
> page are all average monthly. The only other place I would think to look
> would be the National Solar Radiation Data Base (
> http://rredc.nrel.gov/solar/old_data/nsrdb/1991-2005/hourly/siteonthefly.cgi?id=725045)
> but that only provides data up to 2005.
>
> Any thoughts?
>
> Steve
>
> On Tue, Mar 9, 2010 at 11:04 AM, Eric Johnson <e.johnson at gardiner.cz>wrote:
>
>>  Try Google:
>>
>> http://www.nrel.gov/gis/solar.html
>>
>>
>>
>>
>>  ------------------------------
>> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
>> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *Steve Mignogna
>> *Sent:* Tuesday, March 09, 2010 5:01 PM
>> *To:* bldg-sim;equest-users
>> *Subject:* [Equest-users] Hrly Solar Data
>>
>>    All-
>>
>> Does anyone know where I can buy/find 2009 hourly solar data for US
>> Cities? I'm specifically looking for 2009 Solar Data for New Haven, CT and I
>> need "Global Horizontal Radiation" and "Direct normal Radiation".
>>
>> Thanks,
>>
>> --
>> Steve Mignogna
>> Atelier Ten
>>
>
>
>
> --
> Steve Mignogna
> Atelier Ten
>
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