MADISON (WKOW) -- Wisconsin health officials are investigating three deaths that may have been caused by the cold weather.
The Department of Health Services says three deaths were reported in Ashland, Marquette and Milwaukee Counties on Friday, January 3.
Officials have not confirmed the deaths are related to the cold, but urge caution as temperatures stay dangerously low.
According to DHS, 21 people died due to excessive natural cold in 2011, 17 in 2010 and 12 in 2009. The agency does not have complete data on 2012 and 2013.
Here in Dane County, the Medical Examiner's Office reports two people died from accidental hypothermia in 2013, one person in 2012, two in 2011 and one in 2010. No one passed away from hypothermia in 2009.
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