Autumn 2012 Climate Summary

From September 1 through November 30, 2012 (meteorological autumn), temperatures across the Upper Mississippi River Valley ranged from 43.8 degrees at Owen and Medford, WI to 51.3 degrees at Guttenberg, IA.  These temperatures were near normal to 2 degrees below normal.

Five to ten inches of autumn precipitation fell southeast of a Jump River, WI to St. Ansgar, IA line.  The remainder of the area received between 3 and 5 inches.  The lowest total was 3.19 inches near Pine Island, MN.  Meanwhile, the highest was 9.29 inches near Waucoma, IA.  Long term precipitation deficits grew from 1 to 5 inches.  The greatest deficits (3 to 5 inches) were found in Buffalo County in west-central Wisconsin and in Wabasha, Olmsted, Dodge, and Mower counties in southeast Minnesota.  

Between 1 and 3 inches of autumn snow fell across Clark and Taylor counties in central and north-central Wisconsin. The highest totals in these counties were 2.7 inches in Medford, WI and 2.1 inches near Owen, WI.  Elsewhere, snow totals ranged from a trace to one inch.  Snowfall deficits across the region ranged from 2 to 6 inches.

Seasonal temperatures, precipitation, and snowfall values for various cities and detailed climate summaries for La Crosse, WI and Rochester, MN can be found below.

La Crosse, WI

Temperatures

From September 1 through November 30, 2012, La Crosse Municipal Airport had an average temperature of 49.2 degrees.  This was 0.6 degrees below the 1981-2010 normal of 49.6 degrees.  The table below contains the monthly average temperatures and their departures from normal for the autumn of 2012.

           Autumn 2012 Temperatures
               in La Crosse WI

                  Average            Departure
   Month        Temperature         from Normal
   -----        -----------         -----------
   September   61.4 degrees        -0.4 degrees
   October     48.2 degrees        -2.0 degrees 
   November    38.0 degrees        +2.1 degrees 
 
   Autumn      49.2 degrees        -0.6 degrees

The average high temperature was 60.0 degrees which was 1.0 degrees warmer than 1981-2010 normal of 59.0 degrees. 
The average low temperature was 38.4 degrees which was 1.9 degrees colder than 1981-2010 normal of 40.3 degrees.

The warmest temperature was 91 degrees on September 4th.
The coldest temperature was 13 degrees on November 27th.

Precipitation

From September 1 through November 30, 2012, La Crosse Municipal Airport received 5.71 inches of precipitation.  This was 2.03 inches below the 1981-2010 normal of 7.74 inches.  The table below contains the monthly precipitation totals and their departures from normal for the autumn of 2012.

          Autumn 2012 Precipitation
               in La Crosse WI

                Precipitation         Departure
   Month            Total            from Normal
   -----        ------------         -----------
   September    1.14 inches         -2.42 inches 
   October      3.33 inches         +1.16 inches  
   November     1.24 inches         -0.77 inches 
 
   Autumn       5.71 inches         -2.03 inches

The highest daily precipitation total was 0.98 inches on October 11th.  This was 17.2 percent of the autumn precipitation.

Snowfall...11th Least

From September 1 through November 30, 2012, La Crosse Municipal Airport received 0.1 inches of snow.  This was 4.2 inches below the normal of 4.3 inches.  This tied 1899, 1912, 1914, and 1963 for the 11th least amount of snow during an autumn. The table below contains the monthly snowfall totals and their departures from normal for the autumn of 2012.

            Autumn 2012 Snowfall
               in La Crosse WI

                  Snowfall            Departure
   Month            Total            from Normal
   -----        ------------         -----------
   September     0.0 inches           0.0 inches
   October       0.0 inches          -0.2 inches  
   November      0.1 inches          -4.1 inches  
 
   Autumn        0.1 inches          -4.2 inches  

The highest daily snowfall total was 0.1 inches on November 12th.

Rochester MN

Temperatures

From September 1 through November 30, 2012...Rochester International Airport had an average temperature of 49.7 degrees.  This was 2.0 degrees above the1981-2010 normal of 47.7 degrees.  The table below contains the monthly average temperatures and their departures from normal for the autumn of 2012.

           Autumn 2012 Temperatures
               in Rochester MN

                  Average            Departure
   Month        Temperature         from Normal
   -----        -----------         -----------
   September   61.8 degrees        +0.9 degrees
   October     48.8 degrees        +0.4 degrees
   November    38.4 degrees        +4.6 degrees 
 
   Autumn      49.7 degrees        +2.0 degrees 

The average high temperature during autumn of 2012 was 60.7 degrees which was 3.6 degrees warmer than 1981-2010 normal of 57.1 degrees. 
The average low temperature was 38.6 degrees which was 0.3 degrees warmer than 1981-2010 normal of 38.3 degrees.

The warmest temperature was 93 degrees on September 4th.
The coldest temperature was 10 degrees on November 24th.
 
Precipitation

From September 1 through November 30, 2012, Rochester International Airport received 3.65 inches of precipitation.  This was 3.95 inches below the 1981-2010 normal of 7.60 inches. The table below contains the monthly precipitation totals and their departures from normal for the autumn of 2012.

          Autumn 2012 Precipitation
               in Rochester MN

                Precipitation         Departure
   Month            Total            from Normal
   -----        ------------         -----------
   September    1.29 inches         -2.16 inches 
   October      1.85 inches         -0.39 inches
   November     0.51 inches         -1.40 inches
 
   Autumn       3.65 inches         -3.95 inches

The highest daily precipitation total was 0.84 inches on October 25th.  This was nearly a quarter (23.0 percent) of the autumn precipitation.

Snowfall...5th Least

From September 1 through November 30, 2012, Rochester International Airport received just 0.1 inches of snow.  This was 6.8 inches below the 1981-2010 normal of 6.9 inches. This tied 1912 and 1960 for the 5th least amount of snow during an autumn. The table below contains the top ten snowless autumns.

               Snowless Autumns
               in Rochester MN
                  1886-2012

                    Total
    Rank           Snowfall         Year
    ----           --------         ----
      1             Trace           1999
                    Trace           1941
                    Trace           1920
                    Trace           1914
      5           0.1 inches        2012
                  0.1 inches        1960
                  0.1 inches        1912
      8           0.2 inches        2011
      9           0.3 inches        1973
                  0.3 inches        1963

The table below contains the monthly snowfall totals and their departures from normal for the autumn of 2012.

            Autumn 2012 Snowfall
               in Rochester MN

                  Snowfall            Departure
   Month            Total            from Normal
   -----        ------------         -----------
   September     0.0 inches           0.0 inches
   October       0.0 inches          -0.8 inches 
   November      0.1 inches          -6.1 inches 
 
   Autumn        0.1 inches          -6.8 inches

The highest daily snowfall total was 0.1 inches on November 12th.

Other Locations

 Temperatures

                             AVERAGE
    LOCATION        STATE  TEMPERATURE
    --------        -----  -----------
CHARLES CITY          IA      48.8
CRESCO 1 NE           IA      48.0
DECORAH               IA      50.0
ELKADER               IA      46.8
FAYETTE               IA      48.6
GUTTENBERG L&D 10     IA      51.3
NEW HAMPTON           IA      47.4
OELWEIN 1E            IA      48.5
OSAGE                 IA      47.9
AUSTIN WWTP           MN      46.7
BYRON                 MN      44.9
CALEDONIA             MN      47.1
GRAND MEADOW          MN      45.6
LA CRESCENT DAM 7     MN      50.5
MINNESOTA CITY DAM 5  MN      49.5
PRESTON               MN      47.0
RUSHFORD              MN      47.1
THEILMAN              MN      45.8
WINONA DAM 5 A        MN      49.1
ALMA DAM 4            WI      50.3
BOSCOBEL AP           WI      48.7
FRIENDSHIP            WI      45.8
GENOA DAM 8           WI      50.8
LA CROSSE WFO         WI      48.1
LYNXVILLE DAM 9       WI      50.9
MAUSTON 1 SE          WI      48.0
MEDFORD               WI      43.8
OWEN 3W               WI      43.8
PRAIRIE DU CHIEN      WI      49.5
RICHLAND CENTER       WI      48.4
SPARTA                WI      47.5
TREMPEALEAU DAM 6     WI      49.9
VIROQUA               WI      46.3

 

Autumn 2012 Average Temperature

2012 Autumn Average Temperature 

Autumn 2012 Average Temperature

2012 Autumn Temperature Departure from Normal

 


Precipitation

                          PRECIPITATION
    LOCATION        STATE     TOTAL
    --------        -----  -----------
CHARLES CITY          IA      5.68
CRESCO 1 NE           IA      7.28
DECORAH               IA      7.17
FAYETTE               IA      7.10
GARBER                IA      5.69
GUTTENBERG L&D 10     IA      8.60
IONIA 2 W             IA      5.78
LANSING 4 SE          IA      7.82
NEW HAMPTON           IA      6.85
OELWEIN 1E            IA      7.17
OSAGE                 IA      3.99
ST ANSGAR             IA      4.84
STRAWBERRY POINT      IA      7.15
WAUCOMA 3.2 S         IA      9.29
WAUKON                IA      7.57
ALTURA 5W             MN      4.74
AUSTIN WWTP           MN      3.37
BYRON                 MN      3.52
CALEDONIA             MN      8.28
CLAREMONT 2.5 SSE     MN      3.34
ELGIN 2SSW            MN      3.81
GRAND MEADOW          MN      5.37
HOUSTON 1 N           MN      6.08
LAKE CITY             MN      4.30
LEWISTON 0.2 NW       MN      5.40
MINNESOTA CITY DAM 5  MN      5.32
PRESTON               MN      5.94
ROCHESTER AP 2NE      MN      3.61
RUSHFORD              MN      6.49
SPRING GROVE 4N       MN      6.95
SPRING VALLEY         MN      4.76
THEILMAN              MN      4.16
WABASHA               MN      3.61
WINONA DAM 5 A        MN      6.07
ZUMBRO FALLS 3.5 SSW  MN      4.25
ALMA DAM 4            WI      5.14
BLACK RIVER FALLS SWG WI      6.62
BOSCOBEL AP           WI      5.09
FRIENDSHIP            WI      7.80
GALESVILLE 2ESE       WI      6.30
GENOA DAM 8           WI      7.24
LA CROSSE 4NNW        WI      6.21
LA CROSSE WFO         WI      6.95
LA FARGE              WI      6.52
LANCASTER 4 WSW       WI      8.30
LYNXVILLE DAM 9       WI      8.49
MATHER 3 NW           WI      6.81
MAUSTON 1 SE          WI      7.59
MEDFORD               WI      6.43
NEILLSVILLE 3 SW      WI      7.96
ONTARIO               WI      6.86
OWEN 3W               WI      6.62
PRAIRIE DU CHIEN      WI      7.08
READSTOWN 4NE         WI      7.40
RICHLAND CTR          WI      6.05
SPARTA                WI      5.55
STEUBEN 4 SE          WI      6.73
TREMPEALEAU DAM 6     WI      5.95
VIROQUA               WI      7.00
WESTBY 3ENE           WI      6.31

 

Autumn 2012 Total Precipitation

2012 Autumn Total Precipitation

2012 Autumn Precipitation Departure from Normal

2012 Autumn Precipitation Departure from Normal


Snowfall

                            SNOWFALL
    LOCATION        STATE     TOTAL
    --------        -----  -----------
CHARLES CITY          IA      TRACE
CRESCO 1 NE           IA      TRACE
ELKADER               IA      TRACE
FAYETTE               IA      TRACE
LANSING 4 SE          IA      TRACE
NEW HAMPTON           IA      TRACE
OELWEIN 1E            IA      TRACE
WAUKON                IA      TRACE
ALTURA 5W             MN      TRACE
AUSTIN WWTP           MN      TRACE
BYRON                 MN      TRACE
CALEDONIA             MN       0.0
ELGIN 2SSW            MN       0.2
GRAND MEADOW          MN       0.3
LA CRESCENT DAM 7     MN      TRACE
PRESTON               MN      TRACE
SPRING GROVE 4N       MN       0.3
SPRING VALLEY         MN      TRACE
WABASHA               MN      TRACE
BLACK RIVER FALLS SWG WI      TRACE
FRIENDSHIP            WI      TRACE
GALESVILLE 2ESE       WI       0.1
GAYS MILLS            WI      TRACE
GENOA DAM 8           WI      TRACE
LA CROSSE 4NNW        WI       0.1
LA CROSSE WFO         WI       0.8
LA FARGE              WI       0.3
LANCASTER 4 WSW       WI       0.9
MEDFORD               WI       2.7
NEILLSVILLE 3 SW      WI       1.2
ONTARIO               WI       0.2
OWEN 3W               WI       2.1
SPARTA                WI      TRACE
VIROQUA               WI       0.8
WESTBY 3ENE           WI       0.9

 

Autumn 2012 Total Snowfall

2012 Autumn Total Snowfall

2012 Autumn Snowfall Departure from Normal

2012 Autumn Snowfall Departure from Normal



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