Canadian Wildland Fire Information System

FWI and FBP Historical Normals

Summary

Normals is a term used for values of climatic elements averaged over a fixed period of years and recognized as a standard for the country and element concerned. In Canada, the World Meteorological Organization standard 30-year period is used, with start dates matching the first year of each decade. The most recent period covers the years from 1971 to 2000. Historical normals of the Fire Weather Index and Fire Behavior Predication elements were calculated in accordance with this guideline.

Historical Normals Data Sources and Methods

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