SXUS73 KARX 021229
RERRST

RECORD EVENT REPORT 
NATIONAL WEATHER SERVICE LA CROSSE WI
729 AM CDT SAT JUN 02 2012

...WARMEST SPRING EVER RECORDED IN ROCHESTER MINNESOTA...

FROM MARCH 1ST THROUGH MAY 31ST...ROCHESTER INTERNATIONAL AIRPORT 
HAD AN AVERAGE TEMPERATURE OF 53.8 DEGREES.  THIS WAS 8.1 DEGREES 
BELOW THE NORMAL OF 45.7 DEGREES.  THIS WAS THE WARMEST SPRING EVER 
IN ROCHESTER.

THE AVERAGE HIGH TEMPERATURE WAS 64.3 DEGREES.  THIS WAS 8.9 DEGREES 
ABOVE THE NORMAL OF 55.4 DEGREES.  THIS WAS THE WARMEST EVER.  THE 
PREVIOUS RECORD WAS 62.8 DEGREES IN 1977.

THE AVERAGE LOW TEMPERATURE WAS 43.3 DEGREES.  THIS WAS 7.3 DEGREES 
ABOVE THE NORMAL OF 36.0 DEGREES.  THIS WAS THE WARMEST EVER.  THE 
PREVIOUS RECORD WAS 41.3 DEGREES IN 1977.

$$

BOYNE

SXUS73 KARX 021233
RERRST

RECORD EVENT REPORT 
NATIONAL WEATHER SERVICE LA CROSSE WI
733 AM CDT SAT JUN 02 2012

...ROCHESTER MN TIES THEIR LOWEST AMOUNT OF SPRING SNOWFALL... 

FROM MARCH 1ST THROUGH MAY 31ST...THE SNOW OBSERVER NEAR ROCHESTER 
INTERNATIONAL AIRPORT RECORDED JUST A TRACE OF SNOW. THIS TIES 2010 
FOR THE LEAST AMOUNT OF SNOW DURING A METEOROLOGICAL SPRING.

$$

BOYNE

SXUS73 KARX 010904
RERRST

RECORD EVENT REPORT 
NATIONAL WEATHER SERVICE LA CROSSE WI
403 AM CDT SUN JUL 1 2012

...LOWEST HEATING DEGREE DAY TOTAL FOR A SEASON AT ROCHESTER MN...

ON JUNE 30TH...THE 2011-12 HEATING DEGREE DAY SEASON CAME TO AN 
END.  DURING THIS PAST SEASON...THE TOTAL WAS 6066 DAYS AT ROCHESTER 
INTERNATIONAL AIRPORT.  THIS WAS THE LOWEST TOTAL EVER RECORDED.  
THE PREVIOUS LOW WAS 6980 DAYS DURING THE 2005-06 HEATING DEGREE DAY 
SEASON.  THIS SMASHED THE PREVIOUS RECORD BY AN AMAZING 914 DAYS.

THE TABLE BELOW CONTAINS THE TEN LOWEST HEATING DEGREE DAYS FOR A 
SEASON.

     TEN LOWEST HEATING DEGREE DAYS
          TOTALS FOR A SEASON
            IN ROCHESTER MN

                  NUMBER
    RANK          OF DAYS          SEASON
    ----          -------          ------
      1          6066 DAYS        2011-2012
      2          6980 DAYS        2005-2006
      3          6990 DAYS        1930-1931
      4          7165 DAYS        1931-1932
      5          7179 DAYS        1999-2000
      6          7181 DAYS        1941-1942
      7          7185 DAYS        2001-2002
      8          7195 DAYS        1986-1987
      9          7200 DAYS        1918-1919
     10          7235 DAYS        1998-1999

HEATING DEGREE DAYS ARE CALCULATED BY TAKING THE DAILY AVERAGE 
TEMPERATURE AND SUBTRACTING IT FROM 65.  IF THE NUMBER IS LESS THAN 
65, THE DIFFERENCE IS ADDED TO THE HEATING DEGREE DAY SEASONAL 
TOTAL. 

$$

BOYNE