<div>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. </div>
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<div>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. <br></div>
<div class="gmail_quote">On Tue, Mar 9, 2010 at 9:57 AM, Steve Mignogna <span dir="ltr"><<a href="mailto:smignogna@gmail.com">smignogna@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Eric-<br><br>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 (<a href="http://rredc.nrel.gov/solar/old_data/nsrdb/1991-2005/hourly/siteonthefly.cgi?id=725045" target="_blank">http://rredc.nrel.gov/solar/old_data/nsrdb/1991-2005/hourly/siteonthefly.cgi?id=725045</a>) but that only provides data up to 2005.<br>
<br>Any thoughts?<br><br>Steve<br><br>
<div class="gmail_quote">On Tue, Mar 9, 2010 at 11:04 AM, Eric Johnson <span dir="ltr"><<a href="mailto:e.johnson@gardiner.cz" target="_blank">e.johnson@gardiner.cz</a>></span> wrote:<br>
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<div dir="ltr" align="left"><font face="Arial" size="2"><span>Try Google:</span></font></div>
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<div dir="ltr" align="left"><font face="Arial" size="2"><a href="http://www.nrel.gov/gis/solar.html" target="_blank">http://www.nrel.gov/gis/solar.html</a></font></div>
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<font face="Tahoma" size="2"><b>From:</b> <a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a> [mailto:<a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Steve Mignogna<br>
<b>Sent:</b> Tuesday, March 09, 2010 5:01 PM<br><b>To:</b> bldg-sim;equest-users<br><b>Subject:</b> [Equest-users] Hrly Solar Data<br></font><br></div>
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<div></div>All-<br><br>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".<br>
<br>Thanks,<br clear="all"><br>-- <br>Steve Mignogna<br>Atelier Ten<br></div></div></div></div></div></blockquote></div><font color="#888888"><br><br clear="all"><br>-- <br>Steve Mignogna<br>Atelier Ten<br></font><br>_______________________________________________<br>
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