Warmer and Drier October

October 2010 across central and northeast South Dakota as west central Minnesota was drier and much warmer than normal.  After a cool and very wet September, October had plenty of days with abundant sunshine along with very few precipitation days.   Average monthly temperatures were from one to three degrees above normal for October.  The warmest temperatures for October were early in the month and ranged from the mid 80s to the lower 90s.  October precipitation was generally from a half to an inch below normal across the area with a few locations near normal.  The big story for the month of October occurred at the end of the month when an intense surface low pressure area developed over the region.  This low pressure area brought very high winds of 35 to 45 mph with gusts to 60 to 70 mph to all of the region on October 26thand 27th.  Along with the high winds, snow from a trace to 2 inches fell across the area with 3 to 6 inches in the Sisseton Hills of northeast South Dakota. 

OCTOBER 2010

       

Temperature Data

Aberdeen

Sisseton

Wheaton

Watertown

Warmest Temperature / Date

85 / 8th

87 / 8th

87 / 9th

84 / 8th

Coldest Temperature / Date

22 / 28th & 31st

23 / 31st

26/ 29th, 31st

22 / 31st

Average High / Departure from Normal

62.4 / +3.2

62.1 / +3.2

61.5 / +0.6

60.5 / +3.8

Average Low / Departure from Normal

36.1 / +1.7

37.3 / +0.9

39.2 / +2.2

36.7 / +2.8

Monthly Average / Departure from Normal

49.3 / +2.5

49.7 / +2.0

50.3 / +1.4

48.6 / +3.3

Precipitation Data

       

Monthly Precipitation / Departure from Normal

1.03 / -0.60

1.89 / +0.07

1.96 / +0.09

1.17 / -0.75

Monthly Snowfall / Departure from Normal

0.3 / -0.5

0.1 / -0.6

0.0 / -0.3

0.1 / -1.0

Most Precipitation in 24 hours / Date

0.49 / 25-26th

1.23 / 25-26th

1.10 / 26th

0.92 / 25-26th

Most Snow in 24 hours / Date

0.3 / 27th

0.1 / 27th

0.0

0.1 / 27th

         

Temperature Data

Pierre

Kennebec

Mobridge

Timber Lake

Warmest Temperature / Date

89 / 5th & 8th

92 / 8th

87 / 8th

86 / 7th

Coldest Temperature / Date

22 / 28th

21 / 28th

20 /28th

13 / 28th

Average High / Departure from Normal

65.7 / +3.3

70.3 / +5.1

63.5 / +3.4

63.6 / +4.0

Average Low / Departure from Normal

38.6 / +1.6

37.4 / +1.0

37.7 / +1.3

37.3 / +2.1

Monthly Average / Departure from Normal

52.2 / +2.5

53.9 / +3.1

50.6 / +2.3

50.5 / +3.1

Precipitation Data

       

Monthly Precipitation / Departure from Normal

0.98 / -0.66

0.55 / -0.93

0.77 / -0.77

0.85 / -0.78

Monthly Snowfall / Departure from Normal

1.5 / +0.3

0.5 / -0.3

1.7 / +1.1

1.5 / +0.4

Most Precipitation in 24 hours / Date

0.62 / 23rd -24th

0.25 / 23rd

0.27 / 25th

0.20 / 12th

Most Snow in 24 hours / Date

1.5 / 27th

0.5 / 27th

1.7 / 27th

1.5 / 27th



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