30-year Average First Fall Frost (-4 °C)

30-year Average First Fall Frost (-4 °C) First Fall Frost (-4 °C) is defined as the average day, during the second half of the year, of the first occurrence of a minimum temperature at or below -4 °C. These values are calculated across Canada in 10x10 km cells. 2024-04-22 Agriculture and Agri-Food Canada aafc.agri-geomatics-agrogeomatiques.aac@agr.gc.ca Nature and EnvironmentScience and TechnologyFrostCropsPrecipitationAgricultureTemperatureFarmlands Data Product Specification (English)PDF https://agriculture.canada.ca/atlas/data_donnees/climateNormals/supportdocument_documentdesupport/en/ISO_19131_30_Year_Climate_Normal_Data_-_Data_Product_Specification.pdf Using AAFC Climate Services (English)PDF https://agriculture.canada.ca/atlas/data_donnees/agClimate/supportdocument_documentdesupport/en/Using%20AAFC%20Climate%20Services.pdf Data Product Specification (French)PDF https://agriculture.canada.ca/atlas/data_donnees/climateNormals/supportdocument_documentdesupport/fr/Donnees_climatiques_normales_derivees_30ans_SPC_ISO_19131.pdf Pre-packaged GeoTif files (No linguistic component) annualGeoTIF https://agriculture.canada.ca/atlas/data_donnees/climateNormals/data_donnees/tif/annual/lt_ffp-4/ Pre-packaged Maps (English)PDF https://agriculture.canada.ca/atlas/data_donnees/climateNormals/maps_cartes/en/lt_fff-4/ Pre-packaged Maps (French)PDF https://agriculture.canada.ca/atlas/data_donnees/climateNormals/maps_cartes/fr/lt_fff-4/

First Fall Frost (-4 °C) is defined as the average day, during the second half of the year, of the first occurrence of a minimum temperature at or below -4 °C.

These values are calculated across Canada in 10x10 km cells.

Data and Resources

Contact Information

Country: Canada

Electronic Mail Address: aafc.agri-geomatics-agrogeomatiques.aac@agr.gc.ca

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