August Climate Information

 Despite some very warm daily highs in August 2012, average temperatures across central and northeast South Dakota as well as west central Minnesota were near normal to around 2 degrees below normal for the month. The average lows for the month were from 2 to 5 degrees below normal.  In fact, many record lows were set on several days including August 5th, 13th, and 17th at several locations. On August 17th, Aberdeen cooled to 39 degrees while Kennebec cooled to 38 degrees. Wheaton was the only location with a cooler than normal high for August. August 29th was a very hot day across the region with high temperatures ranging from 98 degrees at Aberdeen to 111 degrees at Pierre and Kennebec.   August was also another dry month across the region with rainfall deficits from a quarter of an inch at Wheaton, MN to almost an inch and a half at Pierre.   

 AUGUST 2012
Temperature Data
Aberdeen
Sisseton
Wheaton
Watertown
Warmest Temperature / Date
98 / 29th
95 / 24th
93 / 25th
98 / 1st
Coldest Temperature / Date
39 / 17th
42 / 17th
48 / 17th, 18th
42 / 17th
Average High / Departure from Normal
82.5 / +0.7
81.4 / +0.6
79.4 / -1.3
81.6 / +1.7
Average Low / Departure from Normal
52.9 / -3.3
52.8 / -4.6
56.0 / -2.2
55.2 / -2.0
Monthly Average / Departure from Normal
67.7 / -1.3
67.1 / -2.0
67.7 / -1.7
68.4 / -0.2
Precipitation Data
Monthly Precipitation / Departure from Normal
1.76 / -0.67
1.06 / -1.38
2.57 / -0.25
1.92 / -0.86
Most Precipitation in 24 hours / Date
1.24 / 11-12th
0.73 / 11-12th
1.25 / 8th
0.61 / 3rd,4th
Temperature Data
Pierre
Kennebec
Mobridge
Timber Lake
Warmest Temperature / Date
111 / 29th
111 / 29th
106 / 29th
106 / 29th
Coldest Temperature / Date
41 / 17th
38 / 17th
44 / 17th
43 / 16th
Average High / Departure from Normal
89.6 / +2.3
91.1 / +2.7
85.6 / +0.8
87.4 / +2.0
Average Low / Departure from Normal
55.5 / -4.6
55.9 / -4.1
55.6 / -2.3
55.0 / -2.9
Monthly Average / Departure from Normal
72.6 / -1.1
73.5 / -0.7
70.6 / -0.8
71.2 / -0.4
Precipitation Data
Monthly Precipitation / Departure from Normal
0.33 / -1.47
0.59 / -1.34
0.90 / -1.13
0.68 / -1.03
Most Precipitation in 24 hours / Date
0.22 / 3rd, 4th
0.45 / 3rd
0.74 / 11-12th
0.27 / 11th



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