[Bldg-sim] WEATHER DATA - updated CZ2010 weather files for 86 California locations

Joe Huang yjhuang at whiteboxtechnologies.com
Mon Feb 23 03:21:03 PST 2015

The 86 CZ2010 weather files were developed by White Box Technologies on contract to the 
California Energy Commission in 2011 for use in Title-24 compliance calculations as well 
as other solar applications, and replace the previous set of 16 CZ02 weather files that 
date back to the late 1970's.  The period of record was kept short at 12 years (1998-2009) 
to better reflect the current climate, combining surface observations from NCDC's 
Integrated Surface Hourly Database (ISH) with satellite-derived solar radiation from Clean 
Power Research.  The CZ2010 weather files are available at no cost at 
weather.whiteboxtechnologies.com and come in four formats: *.CSV, *.FIN4, *.EPW, and 
*.BINM.   Recently, the design day files for EnergyPlus have been updated and expanded to 
include both annual (*.DDY) as well as monthly (*.DDM) design days. 
weather.whiteboxtechnologies.com/wd-CZ2010  uses GoogleEarth©to search for CZ2010 file 
locations.  Search  by List is also available at weather.whiteboxtechnologies.com/search .


Joe Huang
White Box Technologies, Inc.
346 Rheem Blvd., Suite 205A
Moraga CA 94556
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"

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