((Max temp + Min temp)/2)-60
Example: A day with a high of 90 and a low of 60 would accumulate 15 DD60's. You add up daily DD60's to determine the heat unit (DD60) accumulation for a given period of time.
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((Max temp + Min temp)/2)-60
Example: A day with a high of 90 and a low of 60 would accumulate 15 DD60's. You add up daily DD60's to determine the heat unit (DD60) accumulation for a given period of time.
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