National Agroclimate Series of Derived Indicators (NASDI) - Precipitation percentiles

National Agroclimate Series of Derived Indicators (NASDI) - Precipitation percentiles is an open dataset from Agriculture and Agri-Food Canada with 6 files (ESRI REST, GEOTIF, PDF); catalogue record updated 2026-07-27. On CanQuery you can follow the original downloads. Files are available in English and French.

Precipitation percentiles represents the accumulated precipitation (mm) for the time period compared to historical information for the same time period. This comparison ranks the current precipitation amount and assigns it a percentile value based on a historic record. Time periods calculated for monthly precipitation percentiles are 1, 2, 3, 6, 9, 12, 18, 24 months. Each ISO week is numbered from 1 to 52 (sometimes 53) within a year. An ISO week starts on Monday and ends on Sunday. Historical record goes back to 1980. The National Agroclimate Series of Derived Indicators (NASDI) products provide a collection of comprehensive and regularly updated datasets on key agroclimatic variables, including accumulated precipitation, standardized precipitation index, and difference from normal temperature, among others. These datasets incorporate both real-time and historical climate information, offering enhanced insight into conditions and trends across Canada’s diverse agricultural regions.

Publisher

Agriculture and Agri-Food Canada

Resources

6

Catalogue metadata updated

2026-07-27