Survival Unlimited.com
  
1-800-455-2201,  (225) 647-2171,  Division of Picou Builders Supply
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SOLAR  MAPS

United States, Canada, South America

 

Using the Data in the far right column, you can determin how many hours of peak sun you have. Example: If you are located in a region with a color denoting a Whr/Sq In. per day of 4500 to 5000, then you have between 4.5 to 5 hours of peak sun per day on average. Whr/Sq in = Watt Hours per Square Inch, this is roughly the same as daily resource and is used as a best estimate in the industry.