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Growing Degree Days

Measuring the Amount of Heat
Required For Our Tulips to Grow and Bloom

DATE

Today's Temperature

Base Temp. for Tulips

Today's
Growing Degree Day
Value

TOTAL
Growing Degree Days

Hi

Lo

Av

(Av. Temp) - (Base Temp)

= GDD

 

 

 

 

 40° F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

               
               
               
               
               
               
               
               


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