North America - Solar PV DB Design Temps - Solar J

Type in the zip code in the search bar on the top right and choose the closest station location. This map shows the various weather stations throughout North America (including US territories). The data directly correlates with the informational notes listed in the 2011 NEC Articles 310.10, 310.15 and 690.7 and ASHRAE and can be used to ensure a code compliant PV Installation. 0.4% and 2% Average DB Temps are calculated based on the three hottest months of the year. This map is for provided for free and for informational purposes. The data contained can be used as a guide, please double-check all calculations before conducting any electrical installations. Developed by a NABCEP Certified Solar PV Installerâ„¢ Questions can be directed to

Map settings

Image Export Format

Image Size