National Weather Service United States Department of Commerce

April on a whole was near normal in terms of temperature across the area, with a few locations slightly above normal. However, it was a tale of two halves: the first 15 days were 5-8 degrees above average while the last 15 were generally 4-7 degrees below normal. The late month cold snap featured a few record cold temps as values reached the low 20s.

Despite a couple widespread rain systems, much of central and northeast South Dakota finished the month below average for total precipitation… by as much as 1.5” for some. A couple days featured thunderstorms which produced small hail across the area. This is not overly uncommon for April. Snowfall was also very lacking across the board, especially from Pierre to Redfield where 4-5” less snow than typical accumulated… or in other words where essentially no snow fell.

 

APRIL 2016

       

Temperature Data

Aberdeen

Sisseton

Wheaton

Watertown

Warmest Temperature / Date

76 / 8th

78 / 8th

80 / 9th

75 / 8th

Coldest Temperature / Date

15 / 11th

23 / 29th

26 / 10th

21 / 29th

Average High / Departure from Normal

59.4 / +2.4

58 / +1.7

56.6 / +1.4

55.4 / -0.2

Average Low / Departure from Normal

31.5 / -0.3

33.7 / +1.1

33.6 / +1.6

32.1 / 0.0

Monthly Average / Departure from Normal

45.4 / +1.0

45.8 / +1.3

45.1 / +1.5

43.8 / 0.0

Precipitation Data

       

Monthly Precipitation / Departure from Normal

1.38 / -0.47

1.57 / -0.71

1.74 / -0.5

1.74 / -0.28

Monthly Snowfall / Departure from Normal

1.8 / -1.3

0.7 / -3.1

Trace / -4.4

0.0 / -3.3

Most Precipitation in 24 hours / Date

0.51” / 18th

0.60 / 18th

0.65 / 18th

0.80 / 9th

Most Snow in 24 hours / Date

1.8” / 26th

0.7 / 26th

Trace / 26th, 27th

n/a

         

Temperature Data

Pierre

Kennebec

Mobridge

Timber Lake

Warmest Temperature / Date

81 / 7th

77 / 8th

80 / 7th  

76 / 14th

Coldest Temperature / Date

21 / 27th

18 / 27th

21 / 17th

23 / 17th

Average High / Departure from Normal

60.5 / +0.8

63.7 / +1.5

61.3 / +3.3

59.5 / +0.7

Average Low / Departure from Normal

33.9 / -0.3

34.7 / +0.7

33.2 / +0.7

32.7 / 0.0

Monthly Average / Departure from Normal

47.2 / +0.2

49.4 / +1.3

47.2 / +1.9

46.3 / +0.5

Precipitation Data

       

Monthly Precipitation / Departure from Normal

1.78 / -0.03

1.96 / -0.2

0.48 / -1.09

0.69 / -0.99

Monthly Snowfall / Departure from Normal

Trace / -4.1

2.5 / -1.4

0.0 / -3.2

Trace / -5.3

Most Precipitation in 24 hours / Date

0.71 / 9th

1.31 / 10th

0.40 / 19th

0.59 / 19th

Most Snow in 24 hours / Date

Trace / 5th, 25th  

2.5 / 10st

n/a

Trace / 26th