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Time series data for this article were produced by Ross Brown of the Climate Research Division of Environment Canada.
To enquire about the statistical analysis used in this article, contact the Information Officer (613-951-0297; environ@statcan.gc.ca), Environment Accounts and Statistics Division.
Statistically significant linear trends at the 95% confidence level or above.
The annual snow covered area is calculated as the average of the January to December monthly snow cover extents.
The May time series had a linear trend that was statistically significant at a 94.7% confidence level.
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