Very Warm and Dry October

October 2011 across central and northeast South Dakota as well as west central Minnesota had much above normal temperatures with generally below normal precipitation.  Average monthly temperatures were from 4 to 6 degrees above normal across the region.   It was very warm early in the month with highs in the mid 80s to the mid 90s from the 4th through the 6th.  The high for the month of 95 degrees at Pierre on the 4th and the low of 19 degrees on the 20th were both records for those days.  The lowest temperature for October was at Kennebec with 16 degrees.

Precipitation for the month was generally just below to much below normal across the region.   The exception was Mobridge where the precipitation for the month was above normal with almost two and half inches of rainfall.  The eastern part of the region was the driest for the month with rainfall deficits of around an inch to an inch and a half for October.   

 OCTOBER 2011

       

Temperature Data

Aberdeen

Sisseton

Wheaton

Watertown

Warmest Temperature / Date

86 / 4th, 5th

87 / 5th

87 / 6th

83 / 4th, 5th

Coldest Temperature / Date

18 / 27th

22 / 20th, 29th

24 / 20th, 21st

19 / 19th

Average High / Departure from Normal

64.0 / +6.4

63.4 / +6.2

63.1 / +6.2

62.2 / +5.8

Average Low / Departure from Normal

36.7 / +4.0

39.3 / +3.8

39.3 / +4.8

38.1 / +3.6

Monthly Average / Departure from Normal

50.3 / +5.1

51.4 / +5.1

51.2 / +5.5

50.2 / +4.7

Precipitation Data

       

Monthly Precipitation / Departure from Normal

0.80 / -1.19

1.04 / -1.04

0.79 / -1.38

0.25 / -1.67

Most Precipitation in 24 hours / Date

0.74 / 9-10th

0.33 / 13-14th

0.23 / 12th

0.13 / 9-10th

         

Temperature Data

Pierre

Kennebec

Mobridge

Timber Lake

Warmest Temperature / Date

95 / 4th

94 / 4th

91 / 4th

90 / 4th

Coldest Temperature / Date

19 / 20th

16 / 20th

21 / 27th

22 / 28th, 29th

Average High / Departure from Normal

66.1 / +5.1

68.5 / +4.7

64.2 / +4.4

63.5 / +4.0

Average Low / Departure from Normal

40.2 / +3.8

38.8 / +2.8

39.0 / +4.4

38.7 / +3.7

Monthly Average / Departure from Normal

53.1 / +4.4

53.6 / +3.8

51.6 / +4.4

51.1 / +3.9

Precipitation Data

       

Monthly Precipitation / Departure from Normal

1.32 / -0.33

1.45 / -0.09

2.38 / +0.88

0.94 / -0.62

Most Precipitation in 24 hours / Date

1.23 / 8-9th

1.25 / 9-10th

1.34 / 9th

0.38 / 7th

 



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