Cold and Wet March

The month of March was another below normal temperature and above normal precipitation month across most of central, north central, and northeast South Dakota as well as west central Minnesota. Monthly average temperatures ranged from 1 degree to over 7 degrees below normal across the region. Precipitation for the month of March was above normal and for some locations it was much above normal.  Watertown, Wheaton, and Sisseton were all around one inch above normal for precipitation. Locations in central and north central South Dakota ranged from just below to slightly above normal for precipitation. Several significant winter storms/blizzards during the month of March were responsible for the above normal snowfall across the region. Monthly snowfall amounts for the locations below ranged from 9 to 16 inches for March which was from 2 to 8 inches above normal.

March came in with bitter cold temperatures with the lowest temperatures for the month recorded on the first. Low temperatures on March 1st were from 15 to 25 degrees below zero across the area.  The winter storm/blizzard events for the month of March occurred on the 10th and 11th, 24th, and the 30th and 31st. The end of March storm brought some very heavy snow to the area with amounts ranging from 8 to as much as 20 inches. The big story for the month of March was the warm up in the middle of the month and the subsequent rapid melt of the deep snow pack across the region. The result was flooding on most all of the rivers and streams across north central and northeast South Dakota as well as west central Minnesota. Minor to record flooding occurred on many of the rivers including the Moreau, Grand, Maple, Elm, Little Minnesota, Big Sioux, and the James River. With the additional snowfall and melt to come, rises on rivers and streams may occur again across the region.

MARCH

       

Temperature Data

Aberdeen

Sisseton

Wheaton

Watertown

Warmest Temperature/Date

63 / 21st

59 / 20th

54 / 23rd

60 / 21st

Coldest Temperature/Date

-19 / 1st

-19 / 1st

-16 / 1st

-19 / 1st

Average High/Departure from Normal

36.9 / -3.3

34.3 / -4.8

31.8 / -7.9

36.8 / -1.4

Average Low/Departure from Normal

16.4 / -4.8

16.8 / -4.5

 14.2 / -6.8

17.7 / -1.4

Month Average/Departure from Normal

26.6 / -4.1

25.5 / -4.7

23.0 /  -7.4

27.2 / -1.4

Precipitation Data

       

Monthly Precipitation / Departure from Normal

1.41 / +.07

2.52 / +.99

2.58 / +1.08

2.44 / +1.14

Monthly Snowfall / Departure from Normal

16.0 / +8.0

16.1 / +7.6

11.2 / +3.0

8.9 / +2.4

Most Precipitation in One Day/Date

.54 / 31st

1.11 / 31st

1.37 / 23rd

.97 / 23rd

Most Snow in One Day/Date

10.2 / 31st

11.2 / 31st

5.8 / 11th

4.3 / 30th

         

Temperature Data

Pierre

Kennebec

Mobridge

Timber Lake

Warmest Temperature/Date

71 / 21st

73 / 16th

65 / 21st

65 / 21st

Coldest Temperature/Date

-18 / 1st

-23 / 1st

-20 / 1st

-19 / 11th

Average High/Departure from Normal

43.5 / -2.0

48.0 / -.3

35.6 / -6.1

35.9 / -6.1

Average Low/Departure from Normal

19.3 / -4.5

20.2 / -3.1

15.3 / -5.5

15.3 / -5.8

Month Average/Departure from Normal

31.4 / -3.3

34.1 / -1.7

25.5 / -5.8

25.6 / -6.0

Precipitation Data

       

Monthly Precipitation / Departure from Normal

1.44 / +.25

1.02 / -.22

1.12 / +.08

1.47 / +.27

Monthly Snowfall / Departure from Normal

11.1 / +4.4

9.5 / +1.9

13.5 / +5.8

10.0 / +2.3

Most Precipitation in One Day/Date

.48 / 23rd

.52 / 31st

.40 / 23rd

.56 / 24th

Most Snow in One Day/Date

5.5 / 30th

8.0 / 31st

7.5 / 30th

4.0 / 30th

         



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