Description

Gridded monthly, seasonal and annual anomalies derived from daily total precipitation is available at a 50km resolution across Canada. The Canadian gridded data (CANGRD) are interpolated from adjusted precipitation (i.e., AHCCD datasets). Adjusted precipitation data incorporate adjustments to the original station data to account for discontinuities from non-climatic factors, such as instrument changes or station relocation. The anomalies are the percentage difference between the value for a given year or season and a baseline value (defined as the average over 1961-1990 as the reference period). The yearly and seasonal relative precipitation anomalies were computed for the years 1948 to 2014. The data will be updated as time permits.

Resources

Name	Format	Description	Link
Climate Data Extraction Tool	HTML		https://climate-change.canada.ca/climate-data/#/historical-gridded-data
Adjusted / homogenized climate data EN	HTML		https://climate-scenarios.canada.ca/index.php?page=homogenized-data
Climate Data Viewer	HTML		https://climate-viewer.canada.ca/climate-maps.html
View ECCC Data Mart (English)	HTML		https://data-donnees.ec.gc.ca/data/climate/scientificknowledge/canadian-gridded-temperature-and-precipitation-anomalies-cangrd/canadian-gridded-precipitation-anomalies/
Data Collection Methodology	PDF		https://data-donnees.ec.gc.ca/data/climate/scientificknowledge/canadian-gridded-temperature-and-precipitation-anomalies-cangrd/canadian-gridded-precipitation-anomalies/Canadian_Gridded_Data_-_READ_ME_Technical_doc_EN.pdf
Data Collection Methodology	PDF		https://data-donnees.ec.gc.ca/data/climate/scientificknowledge/canadian-gridded-temperature-and-precipitation-anomalies-cangrd/canadian-gridded-precipitation-anomalies/Canadian_Gridded_Data_-_READ_ME_Technical_doc_FR.pdf
View ECCC Data Mart (French)	HTML		https://data-donnees.ec.gc.ca/data/climate/scientificknowledge/canadian-gridded-temperature-and-precipitation-anomalies-cangrd/canadian-gridded-precipitation-anomalies/?lang=fr
View Data Mart	HTML		https://dd.meteo.gc.ca/climate/cangrd
View Data Mart	HTML		https://dd.weather.gc.ca/climate/cangrd
GeoMet WCS (FR)	WCS		https://geo.weather.gc.ca/geomet-climate?lang=fr&service=WCS&version=2.0.1&request=GetCapabilities
GeoMet WMS (FR)	WMS		https://geo.weather.gc.ca/geomet-climate?lang=fr&service=WMS&version=1.3.0&request=GetCapabilities
GeoMet WCS (EN)	WCS		https://geo.weather.gc.ca/geomet-climate?service=WCS&version=2.0.1&request=GetCapabilities
GeoMet WMS (EN)	WMS		https://geo.weather.gc.ca/geomet-climate?service=WMS&version=1.3.0&request=GetCapabilities
Adjusted / homogenized climate data FR	HTML		https://scenarios-climatiques.canada.ca/index.php?page=homogenized-data
Climate Data Viewer	HTML		https://visualiseur-climatique.canada.ca/cartes-climatiques.html

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