First Snowfall Climatology for the Area

Below you can find the earliest and average dates for a trace, measurable (0.1"), and 1" (or more) for La Crosse and Rochester. Cooperative Observer sites around the area are also included. 

 

  La Crosse Rochester
Earliest Trace Snowfall Sept. 23, 1928  Sept. 21, 1995
Average First Trace Snowfall October 25  October 20
     

Earliest Measurable Snowfall (0.1" or more)

Sept. 26, 1942 (0.2")  Sept. 26, 1942 (0.3")
Average First Measurable Snowfall (0.1" or more) November 11  November 5
Latest First Measurable Snow December 27, 1913 (0.3") December 19, 1939 (2.2")
     
Earliest 1" Snow October 18, 1991 (1.2")  October 12, 2009 (1.7")
Average First 1" Snow November 27  November 22
Latest First 1" Snow Feb 18, 1961 (6.4")  Jan 14, 2002 (1.1")

Cooperative Observer sites around the region
Location Average First 0.1" (or more) Average First 1.0" (or more)
     
Austin, MN Nov. 13 Nov. 21
Winona, MN Nov. 24 Nov. 27
Preston, MN Nov. 21 Nov. 27
Medford, WI Nov. 6 Nov. 13
Prairie Du Chien, WI Nov. 24 Nov. 29
Charles City, IA Nov. 15 Nov. 28
Oelwein, IA Nov. 21 Nov. 28

 

 

 

 

 

 

 

 

 

 

 

 



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