Spring of 2009 Rochester Climate Summary

During Meteorological Spring (March 1 through May 31), Rochester International Airport was warmer and drier than normal.  The information below provides more details on these statistics.

Temperatures - Warmer than Normal

From March 1st through May 31st, Rochester International Airport had an average temperature of 45.6 degrees.  This was 1.5 degrees above the normal of 44.1 degrees.  The average high temperature was 56.2 degrees.  This was 2.5 degrees above the normal of 53.7 degrees.  The average low temperature was 35.0 degrees.  This was 0.6 degrees above the normal of 34.4 degrees. 

The table below contains the monthly temperatures and their departures from normal for the spring of 2009.

           Spring 2009 Temperatures
               in Rochester MN

                  Average            Departure
   Month        Temperature         from Normal
   -----        -----------         -----------
   March       32.8 degrees        +2.2 degrees
   April       46.1 degrees        +1.4 degrees
   May         58.0 degrees        +1.1 degrees
 
   Spring      45.6 degrees        +1.5 degrees


Precipitation - Driest Spring since 2002


From March 1st through May 31st, Rochester International Airport received 6.84 inches of precipitation.  This was 1.58 inches below the spring normal of 8.42 inches.  This was the driest spring since 2002 when 6.11 inches of precipitation fell.

The table below contains the monthly precipitation totals and their departures from normal for the spring of 2009.

          Spring 2009 Precipitation
               in Rochester MN

                Precipitation         Departure
   Month            Total            from Normal
   -----        ------------         -----------
   March        0.88 inches         -1.00 inches
   April        2.09 inches         -0.92 inches
   May          3.87 inches         +0.34 inches
 
   Spring       6.84 inches         -1.58 inches



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