January 2012 Climatic Summary
 
January temperatures were very warm, with temperatures averaging 4 to 5 degrees above normal. The area with the greatest departure was across the South Dakota plains, where temperatures ranged from 5 to 7 degrees above normal. The coolest area was in the Black Hills into northeast Wyoming, where temperatures were 1 to 2 degrees above normal. The coolest location was Sundance in northeast Wyoming, which was 1.1 degrees above normal, while the warmest locations were Dupree and Winner in South Dakota, at 7.7 degrees above normal.
 
Precipitation in January averaged around 93 percent of normal across the entire area.  The wettest/snowiest areas were over the northern Black Hills and Bear Lodge Mountains, where 150 to 200 percent of normal precipitation was reported. The driest areas were across the southern Black Hills and the South Dakota plains, where precipitation averaged 40 to 90 percent of normal. Snowfall was the heaviest over the northern Black Hills into the Bear Lodge Mountains where 1 to 2 feet of snow fell. Lead reported 22.3 inches of snow this month.
 
January storm summary... 

January 22nd – A strong low pressure system and cold front moved through the northern plains. Northwest winds gusted 40 to 60 mph across the area with 4 to 10 inches of snow falling across the northern and central Black Hills and the Bear Lodge Mountains.

 

LOCAL EXTREMES
Rapid City
Lead
Gillette
Temperature
Temperature
Date
Temperature
Date
Temperature
Date
Max. Temp.
71
5th
61
5th
53
10th
Min. Temp.
-8
18th & 19th
-2
17th & 18th
-7
17th
Precipitation
Rapid City
Lead
Gillette
Monthly Data
Amount
Date
Amount
Date
Amount
Date
Precipitation
0.29
 
2.24
 
0.52
 
Snowfall
2.0
 
22.3
 
2.8
 
Daily Data
Amount
Date
Amount
Date
Amount
Date
Max. Precipitation
0.14
22nd
0.93
22nd
0.34
22nd
Max. Snowfall
1.0
24th
8.5
22nd
1.0
11th

 

Return to Climate Summaries


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.