[bldg-sim] Data source for cold water inlet temperatures

["Jason Glazer" <jglazer@xxxxxxxx>]

I'm looking for a data source for typical inlet water 
temperatures (water main temperature) for residential 
service water heaters for locations in the United States.  
This is roughly equivalent to the ground temperature at 6 
to 8 feet depth. The temperature varies seasonally so 
knowing the average monthly value would be best.  

I am already aware of two sources of data that don't really 
help: Engineering Weather Data from NCDC has the 50 ft 
temperature and the map in the old ASHRAE Load Calculation 
Manual is for depths of 4 inches. 

Any leads would be appreciated.

Jason

=========================================================
Jason Glazer, P.E.  mailto:jglazer@xxxxxxxx  847 698 5686
GARD Analytics - http://www.gard.com/
1028 Busse Highway, Park Ridge, IL 60068
Building Energy Simulation and Analysis
Admin of BLDG-SIM list for building simulation users

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