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A Climate Zone Map can be found in the 2012 International Energy Conservation Code (IECC), funded by the U.S. Department of Energy- Energy Efficiency and Renewable Energy.

 

For each county in the United States the IECC defines a climate zone:

 

IECC Map

 

Image Source: https://basc.pnnl.gov/system/files_force/images/IECCmap_Revised.jpg?download=1

 

Locations set within the US will be matched with the closest available location in the OpenEI database with the same climate zone.

 

The colors of the drop-down menu for climate zones corresponds to the colors in the image above.

The letters following the numerical climate zone correspond to:

 

A

Moist

B

Dry

C

Marine

 

For more details on how climate zones are defined: https://up.codes/viewer/nevada/iecc-2012/chapter/CE_3/ce-general-requirements#C301.3 Or, another resource for viewing IECC climate zones:

https://energycode.pnl.gov/EnergyCodeReqs/index.jsp

 

See also

OpenEI Load Profiles

Koeppen Gieger Climate Classification System

 

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