Description

Seasonal and annual trends of relative total precipitation change (%) for 1948-2012 based on Canadian gridded data (CANGRD) are available, at a 50km resolution across Canada. The relative trends reflect the percent change in total precipitation over a period from the baseline value (defined as the average over 1961-1990 as the reference period). CANGRD data are interpolated from adjusted and homogenized climate station data (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.

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/trend-of-total-precipitation-for-1948-2012-based-on-canadian-gridded-data/
Data Collection Methodology	PDF		https://data-donnees.ec.gc.ca/data/climate/scientificknowledge/canadian-gridded-temperature-and-precipitation-anomalies-cangrd/trend-of-total-precipitation-for-1948-2012-based-on-canadian-gridded-data/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/trend-of-total-precipitation-for-1948-2012-based-on-canadian-gridded-data/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/trend-of-total-precipitation-for-1948-2012-based-on-canadian-gridded-data//?lang=fr
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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