Bitter Cold and Snowy December 2013

December 2013 was a bitter cold and snowy month across central and northeast South Dakota along with west central Minnesota.  The month was among the top ten coldest at all locations.  The monthly average temperatures were from 7 to 9 degrees below normal.  Sisseton had their second coldest December on record with an average temperature of 8.4 degrees.  Wheaton tied for the third coldest December on record with an average temperature of 6.9 degrees.  Aberdeen and Watertown had their fourth coldest Decembers on record with 6.5 degrees and 7.9 degrees, respectively. Pierre had their fifth coldest December on record with 13.2 degrees.  Kennebec, Timber Lake, and Mobridge were all in the top ten coldest Decembers on record.

It was also a snowy month across the region with snowfall amounts ranging from 9 to 17 inches or from 2 to 11 inches above normal.  The expansive snow cover across our region and to the north played a large factor in the bitter cold temperatures.  The snow cover allows for good cooling at night and little heat absorption from the sun during the daytime. 

DECEMBER 2013

       

Temperature Data

Aberdeen

Sisseton

Wheaton

Watertown

Warmest Temperature / Date

42 / 18th,27th

44 / 18th, 28th

40 / 28th

41 / 2nd

Coldest Temperature / Date

-27 / 7th

-20 / 23rd

-20 / 24th

-23 / 7th

Average High / Departure from Normal

16.7 / -8.8

17.1 / -9.0

15.7 / -7.2

17.3 / -7.5

Average Low / Departure from Normal

-3.6 / -9.5

-0.3 / -8.2

-2.0 / -8.0

-1.4 / -8.6

Monthly Average / Departure from Normal

6.5 / -9.2

8.4 / -8.6

6.9 / -7.5

7.9 / -8.1

Precipitation Data

       

Monthly Precipitation / Departure from Normal

0.88 / +0.36

1.14 / +0.75

1.07 / +0.35

0.61 / +0.08

Monthly Snowfall / Departure from Normal

12.2 / +5.3

12.1 / +4.5

10.6 / +2.4

11.1 / +4.0

Most Precipitation in 24 hours / Date

0.31 / 3rd-4th

0.36 / 3rd-4th

0.20 / 20th

3.2 / 3rd-4th

Most Snow in 24 hours / Date

4.0 / 3rd-4th

4.4 / 4th

2.8 / 20th

0.23 / 3rd-4th

         

Temperature Data

Pierre

Kennebec

Mobridge

Timber Lake

Warmest Temperature / Date

55 / 2nd

57 / 2nd

50 / 18th

49 / 1st

Coldest Temperature / Date

-21 / 23rd

-24 /23rd

-25 / 23rd

-24 / 7th

Average High / Departure from Normal

22.7 / -8.6

26.4 / -6.3

20.2 / -8.5

20.2 / -9.3

Average Low / Departure from Normal

3.6 / -8.5

3.3 / -8.0

0.4 / -7.3

1.6 / -8.3

Monthly Average / Departure from Normal

13.2 / -8.5

14.8 / -7.2

10.3 / -7.9

10.9 / -8.8

Precipitation Data

       

Monthly Precipitation / Departure from Normal

1.48 / +0.93

0.54 / +0.16

0.76 / +0.32

0.79 / +0.31

Monthly Snowfall / Departure from Normal

14.2 / +9.3

10.5 / +3.9

17.0 / +11.3

9.3 / +1.8

Most Precipitation in 24 hours / Date

0.59 / 19th

0.28 / 4th

0.24 / 3rd-4th

0.20 / 31st  

Most Snow in 24 hours / Date

6.4 / 19th

7.0 / 4th

3.8 / 19th

2.8 / 31st

 



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