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<TITLE>Weather Data -- Joint Frequency Distribution Plots Superimposed on a Psychrometric Chart</TITLE>
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<P><FONT SIZE=2 FACE="Arial">Dear Building Simulation List,</FONT>
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<P><FONT SIZE=2 FACE="Arial">I think that I've seen joint frequency binned weather data (drybulb, wetbulb) plotted on a psychrometric chart. Colors may have been used to indicate the number of hours in each bin.</FONT></P>
<P><FONT SIZE=2 FACE="Arial">It may well have been a custom application, but if there is a commercial product that does this, I would be interested in knowing who to contact.</FONT></P>
<P><FONT SIZE=2 FACE="Arial">Thank you,</FONT>
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<P><FONT SIZE=2 FACE="Arial">Tom Davidson</FONT>
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<P><FONT SIZE=2 FACE="Arial">Thomas A. Davidson, P.E.</FONT>
<BR><FONT SIZE=2 FACE="Arial">DLB Associates Consulting Engineers</FONT>
<BR><FONT SIZE=2 FACE="Arial">2403 State Route 66</FONT>
<BR><FONT SIZE=2 FACE="Arial">Ocean, NJ 07712-3962</FONT>
<BR><FONT SIZE=2 FACE="Arial">phone: 732-774-2000</FONT>
<BR><FONT SIZE=2 FACE="Arial">fax: 732-774-5000</FONT>
<BR><FONT SIZE=2 FACE="Arial">email: tdavidson@dlbassociates.com</FONT>
<BR><FONT SIZE=2 FACE="Arial">www.dlbassociates.com </FONT>
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