Climate Round Up For August - Worsening Drought Conditions

August 2013 had below normal temperatures across the region through much of the first part of the month as Canadian high pressure dominated the region.  With very warm to hot conditions towards the end of the month, average temperatures were brought back to near normal.  The average monthly temperatures for August were from near to almost two degrees above normal.  The highest temperatures in August were in the middle 90s to the lower 100s all occurring from August 20th through the 30th.

Rainfall across the eastern part of the region was from an inch and a half to almost two and quarter inches below normal.  With this lack of rainfall, drought developed and became moderate across northeast South Dakota and west central Minnesota by the end of August.  Throughout August, central and north central South Dakota had frequent bouts of showers and thunderstorms with the area ranging from a quarter of an inch to two and a quarter inches above normal.   The above normal rainfall brought the area completely out of the drought which had been going on for over a year now   In northeast South Dakota, Aberdeen and Watertown had one of their driest Augusts on record.  Watertown had its third driest August on record while Aberdeen had its fourth driest August on record.

 AUGUST 2013

       

Temperature Data

Aberdeen

Sisseton

Wheaton

Watertown

Warmest Temperature / Date

95 / 24th

96 / 29th

96 / 30th

93 / 27th, 29th

Coldest Temperature / Date

46 / 14th

44 / 14th

48 / 13th, 14th

46 / 3rd

Average High / Departure from Normal

82.7 / +0.9

82.8 / +2.0

81.5 / +0.8

82.2 / +2.3

Average Low / Departure from Normal

57.1 / +0.9

57.2 / -0.2

58.4 / +0.2

59.4 / +2.2

Monthly Average / Departure from Normal

69.9 / +0.9

70.0 / +0.9

69.9 / +0.5

70.8 / +2.2

Precipitation Data

       

Monthly Precipitation / Departure from Normal

0.34 / -2.09

0.95 / -1.49

1.12 / -1.70

0.53 / -2.25

Most Precipitation in 24 hours / Date

0.19 / 31st

0.64 / 4th

0.81 / 7th

0.35 / 8th

         

Temperature Data

Pierre

Kennebec

Mobridge

Timber Lake

Warmest Temperature / Date

102 / 24th

99 / 26th

101 / 20th, 24th

99 / 20th,24th

Coldest Temperature / Date

53 / 7th

44 / 5th

52 / 10th

53 / 16th

Average High / Departure from Normal

86.0 / -1.3

85.3 / -3.1

85.0 / +0.2

84.9 / -0.5

Average Low / Departure from Normal

61.4 / +1.3

61.6 / +1.6

60.0 / +2.1

59.5 / +1.6

Monthly Average / Departure from Normal

73.7 / +0.0

73.5 / -0.7

72.5 / +1.1

72.2 / +0.6

Precipitation Data

       

Monthly Precipitation / Departure from Normal

2.52 / +0.72

4.15 / +2.22

2.26 / +0.23

3.96 / +2.25

Most Precipitation in 24 hours / Date

1.00 / 4th

0.86 / 10th

1.32 / 4th

2.01 / 28th



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