Growing degree days (GDDs) are used to estimate the growth and development of plants and insects during the growing season. Growing Degree Day are computed by subtracting a base value temperature from the mean daily temperature and are assigned a value of zero if negative. Base temperatures are a point below which development does not occur for the organism in question. Growing Degree Day products are created for base 0, 5, 10 and 15 degrees Celsius.
GDD values are only accumulated during the Growing Season, April 1 through October 31.
- Publisher - Current Organization Name: Agriculture and Agri-Food Canada
- Licence: Open Government Licence - Canada
Data and Resources
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Data Product Specification (English)PDFEnglish guide PDF
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Growing Degree DaysWMSNo linguistic content; Not applicable web_service WMS
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Using AAFC Climate Services (French)PDFFrench guide PDF
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Data Product Specification (French)PDFFrench guide PDF
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Agroclimate Interactive Maps (English)HTMLEnglish application HTML
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Agroclimate Interactive Maps (French)HTMLFrench application HTML
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Growing Degree DaysESRI RESTEnglish web_service ESRI REST
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Growing Degree DaysESRI RESTFrench web_service ESRI REST
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Pre-packaged GeoTIF files (No linguistic component)GeoTIFNo linguistic content; Not applicable dataset GeoTIF
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Using AAFC Climate Services (English)PDFEnglish guide PDF
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