Description

Crop/Corn Heat Units (CHU) is a temperature-based index often used by farmers and agricultural researchers to estimate whether the climate is warm enough to grow corn. Daily crop heat units are calculated from minimum and maximum temperatures with separate calculations for day and night. The daytime relationship sets the minimum at 10 C for growth up to a maximum of 30 C, beyond which growth slows. These values are calculated across Canada in 10x10 km cells.

Resources

Name	Format	Description	Link
	33		https://agriculture.canada.ca/atlas/data_donnees/climateNormals/supportdocument_documentdesupport/en/ISO_19131_Derived_Normal_Climate_data_-_Data_Product_Specification.pdf
	0		https://agriculture.canada.ca/atlas/data_donnees/climateNormals/data_donnees/tif/monthly/lt_chu/
	21		https://agriculture.canada.ca/atlas/climate-normals-interactive-maps
	21		https://agriculture.canada.ca/atlas/cartes-interactives-normales-climatiques
	0		https://agriculture.canada.ca/atlas/data_donnees/climateNormals/data_donnees/tif/annual/lt_chu/
	33		https://agriculture.canada.ca/atlas/data_donnees/climateNormals/maps_cartes/en/lt_chu/
	33		https://agriculture.canada.ca/atlas/data_donnees/climateNormals/maps_cartes/fr/lt_chu/
	33		https://agriculture.canada.ca/atlas/data_donnees/climateNormals/supportdocument_documentdesupport/fr/Donn%c3%a9es_climatiques_normales_d%c3%a9riv%c3%a9es_-_SPC_ISO_19131.pdf
	21		https://agriculture.canada.ca/atlas/climate-normals-interactive-maps
	21		https://agriculture.canada.ca/atlas/cartes-interactives-normales-climatiques
	33		https://agriculture.canada.ca/atlas/data_donnees/agClimate/supportdocument_documentdesupport/en/Using%20AAFC%20Climate%20Services.pdf
	0		https://agriculture.canada.ca/atlas/data_donnees/climateNormals/data_donnees/tif/annual/lt_chu/
	33		https://agriculture.canada.ca/atlas/data_donnees/climateNormals/maps_cartes/en/lt_chu/
	33		https://agriculture.canada.ca/atlas/data_donnees/climateNormals/maps_cartes/fr/lt_chu/
	33		https://agriculture.canada.ca/atlas/data_donnees/agClimate/supportdocument_documentdesupport/en/Using%20AAFC%20Climate%20Services.pdf
	33		https://agriculture.canada.ca/atlas/data_donnees/climateNormals/supportdocument_documentdesupport/fr/Donnees_climatiques_normales_derivees_30ans_SPC_ISO_19131.pdf
	33		https://agriculture.canada.ca/atlas/data_donnees/climateNormals/supportdocument_documentdesupport/en/ISO_19131_30_Year_Climate_Normal_Data_-_Data_Product_Specification.pdf
	0		https://agriculture.canada.ca/atlas/data_donnees/climateNormals/data_donnees/tif/monthly/lt_chu/

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