RF Spec Group.jpg        
Find the current temperture based on the chirps of a cricket  
 
Enter number of chirps per minute  
Based on Dolber's Law, 1897  
 
Enter number of chirps in 14 seconds  
From Farmers' Almanac    
 
Enter number of chirps in 13 seconds  
Dr. LeMonte, Boulder, CO    
 
Enter number of chirps in 25 seconds  
From Farmers' Almanac    
 
Note: doesn't seem to work below about 50 degrees as the crickets are not active when they are cold.
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