National Weather Service United States Department of Commerce

The long trend of cooler than normal temperatures was broken in September 2014 with all locations having near to slightly above normal temperatures.  It was one year ago in September 2013 when all locations across the region were nearly five degrees above normal.  The average temperatures for September 2013 ranged from three tenths of a degree below normal to one degree above normal.  There were several record low maximum temperatures set during September.  It was also a dry month with the locations ranging from a quarter inch to over two inches below normal.

SEPTEMBER 2014

       

Temperature Data

Aberdeen

Sisseton

Wheaton

Watertown

Warmest Temperature / Date

86 / 25th, 26th

85 / 25th, 27th

85 / 26th, 28th

83 / 26th

Coldest Temperature / Date

31 / 14th

34 / 12th, 13th

35 / 13th

34 / 13th

Average High / Departure from Normal

72.4 / +0.3

72.4 / +0.2

71.3 / +0.2

70.4 / -0.2

Average Low / Departure from Normal

46.8 / +1.1

48.9 / +1.6

48.5 / +0.9

48.8 / +1.4

Monthly Average / Departure from Normal

59.6 / +0.7

60.6 / +0.9

59.9 / +0.6

59.6 / +0.6

Precipitation Data

       

Monthly Precipitation / Departure from Normal

1.00 / -1.19

0.84 / -1.70

0.80 / -2.29

0.84 / -1.80

Most Precipitation in 24 hours / Date

0.55 / 23rd

0.52 / 20th

0.52 / 21st

0.26 / 3rd

         

Temperature Data

Pierre

Kennebec

Mobridge

Timber Lake

Warmest Temperature / Date

93 / 26th

97 / 3rd, 4th

93 / 25th, 26th

92 / 8th

Coldest Temperature / Date

36 / 15th

34 / 14th

34 / 14th

35 / 13th, 14th

Average High / Departure from Normal

76.9 / +0.4

80.7 / +1.5

74.5 / +0.6

74.4 / -0.6

Average Low / Departure from Normal

49.7 / +0.5

49.2 / -0.1

48.8 / +1.2

47.4 / 0.0

Monthly Average / Departure from Normal

63.3 / +0.4

64.9 / +0.6

61.7 / +1.0

60.9 / -0.3

Precipitation Data

       

Monthly Precipitation / Departure from Normal

0.61 / -1.26

0.82 / -0.95

0.71 / -0.83

1.18 / -0.26

Most Precipitation in 24 hours / Date

0.27 / 9-10th

0.22 / 9th

0.34 / 19th

0.43 / 30th