National Weather Service United States Department of Commerce

Average temperatures for January across central and northeast South Dakota as well as west central Minnesota were much above normal.  Although, January started out very cold across the region with daily temperature departures of up to 20 to 25 degrees below normal from the 2nd through the 13th.  Temperatures then warmed up to much above normal in the middle of the month and stayed that way through nearly the end of the month.  From January 14th through January 30th, daily temperature departures were up to 20 to 25 degrees above normal.  Across the region, the difference between the high and low temperatures for the month were anywhere from 60 to 80 degrees.  Timber Lake had the greatest difference in January with a low 17 degrees below zero and a high of 64 degrees.

With the warm temperatures from mid to late January, there were a few rare rain and freezing rain events.  Precipitation for the month across the region varied from a half inch below normal in Wheaton, Minnesota, to around a quarter inch above in Aberdeen.  Below normal snowfall occurred at all locations with the biggest departure occurring in far northeastern South Dakota and west central Minnesota.  Sisseton and Wheaton were 4 to 6 inches below their normal January snow total.

 

JANUARY 2015

       

Temperature Data

Aberdeen

Sisseton

Wheaton

Watertown

Warmest Temperature / Date

48 / 18th, 26th

47 / 19th

43 / 27th

43 / 19th

Coldest Temperature / Date

-19 / 12th

-15 / 12th

-15 / 13th

-17 / 5th, 6th

Average High / Departure from Normal

28.6 / +6.1

27.0 / +4.0

25.0 / +5.6

25.4 / +3.2

Average Low / Departure from Normal

7.8 / +6.3

10.5 / +7.2

8.1 / +7.5

9.2 / +6.1

Monthly Average / Departure from Normal

18.2 / +6.2

18.7 / +5.6

16.5 / +6.5

17.3 / +4.6

Precipitation Data

       

Monthly Precipitation / Departure from Normal

0.68 / +0.21

0.47 / +0.04

0.34 / -0.48

0.40 / -0.12

Monthly Snowfall / Departure from Normal

4.6 / -1.8

4.4 / -4.0

2.6 / -6.4

4.0 / -1.3

Most Precipitation in 24 hours / Date

0.21 / 5th

0.20 / 20th-21st

0.09 / 21st

0.13 / 5th

Most Snow in 24 hours / Date

2.7 / 5th

2.0 / 20th-21st

0.9 / 21st

2.5 / 5th

         

Temperature Data

Pierre

Kennebec

Mobridge

Timber Lake

Warmest Temperature / Date

60 / 28th

60 / 27th, 28th

54 / 26th, 28th

64 / 27th

Coldest Temperature / Date

-11 / 5th, 12th

-15 / 4th

-17 / 5th

-17 / 5th

Average High / Departure from Normal

34.4 / +4.4

35.9 / +4.0

32.4 / +6.4

31.4 / +3.3E

Average Low / Departure from Normal

13.0 / +3.2

11.7 / +1.6

11.6 / +5.5

12.4 / +4.6E

Monthly Average / Departure from Normal

23.7 / +3.8

23.8 / +2.8

22.0 / +6.0

21.9 / 18.0E

Precipitation Data

       

Monthly Precipitation / Departure from Normal

0.13 / -0.29

0.12 / -0.27

0.31 / +0.02

0.50 / +0.07

Monthly Snowfall / Departure from Normal

1.4 / -3.3

2.0 / -2.8

4.3 / -0.7

4.7 / -0.9

Most Precipitation in 24 hours / Date

0.08 /  5th

0.05 / 3rd,6th

0.18 / 5th

0.27 / 5th

Most Snow in 24 hours / Date

0.9 / 5th

1.0 / 3rd

2.6 / 5th

2.8 / 5th