957  
SXUS73 KARX 021533  
RERRST  
 
RECORD EVENT REPORT  
NATIONAL WEATHER SERVICE LA CROSSE WI  
931 AM CDT MON NOV 1 2009  
   
..SNOWIEST OCTOBER IN ROCHESTER MN  
 
DURING OCTOBER 2009...THE OFFICIAL SNOW OBSERVER NEAR ROCHESTER  
INTERNATIONAL AIRPORT REPORTED 7.9 INCHES OF SNOW. THIS WAS  
6.9 INCHES GREATER THAN THE OCTOBER NORMAL OF 1.1 INCHES. THIS WAS  
THE SNOWIEST OCTOBER IN ROCHESTER.  
 
THE TABLE BELOW PROVIDES THE TEN SNOWIEST OCTOBERS IN ROCHESTER MN.  
 
SNOWIEST OCTOBERS  
IN ROCHESTER MN  
1886-2009  
 
SNOWFALL  
RANK TOTAL YEAR  
---- ------------- ----  
1 7.9 INCHES 2009+  
2 6.6 INCHES 1929  
3 5.5 INCHES 1917  
4 5.4 INCHES 1979  
5 4.5 INCHES 1991  
6 4.0 INCHES 1930  
7 2.9 INCHES 1976  
8 2.6 INCHES 1989  
9 2.3 INCHES 1995  
10 2.2 INCHES 1981  
 
+ IN A PREVIOUS PUBLIC INFORMATION STATEMENT ISSUED ON  
OCTOBER 24TH...IT WAS STATED THAT THE SNOWIEST OCTOBER  
IN ROCHESTER OCCURRED BACK IN 1887 WITH 10.0 INCHES.  
SINCE THAT STATEMENT WAS ISSUED...THERE HAS BEEN AN  
EXTENSIVE SEARCH TO AUTHENTICATE /NATIONAL CLIMATE DATA  
CENTER...MINNESOTA STATE CLIMATOLOGY OFFICE...AND ON  
STATION/ THAT RECORD. SINCE NO OFFICIAL FORM HAS BEEN  
FOUND...THIS SNOWFALL AMOUNT WILL BE NO LONGER CONSIDERED  
OFFICIAL AND THE OCTOBER 2009 SNOWFALL OF 7.9 INCHES WILL  
NOW BE CONSIDERED THE SNOWIEST OCTOBER IN ROCHESTER.  
 
 
 
BOYNE  
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