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These degree-day models are rather simple to use, and take the form of a "degree-day lookup table" - which is the standard used in pest management. Here notice that the degree-days were reset to zero on August 1. Events such as beginning egg hatch and larval development are shown adjacent to the cumulative degree-days required. We include all days in the output to assure that the users can check the validity of the temperature data (e. g. the data are not missing or excessively interpolated).