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snippet: Growing degree days.
summary: Growing degree days.
accessInformation: Agriculture and Agri-Food Canada
thumbnail:
maxScale: 1155581.108577
typeKeywords: ["ArcGIS Server","Data","Image Service","Service"]
description: 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. For more information, visit: https://open.canada.ca/data/en/dataset/c7b40829-bacb-4f67-a19b-e090b3d32992
licenseInfo: © Government of Canada (2025). Data are subject to the Government of Canada Open Data Licence Agreement: https://open.canada.ca/en/open-government-licence-canada. The terms of this Agreement govern your use and reproduction of the data instead of the copyright reproduction statements found in Important Notices on the Agriculture and Agri-Food Canada website.
catalogPath:
title: Growing degree days
type: Image Service
url: https://agriculture.canada.ca/imagery-images/agclimate/growing_degree_days/ImageServer
tags: ["Farmlands","Crop","Agriculture","Temperature"]
culture: en-CA
name: growing_degree_days
guid:
minScale: 1.47914381897889E8
spatialReference: WGS_1984_Web_Mercator_Auxiliary_Sphere