February 2014 Climatic Summary
 
February temperatures across the entire region average 8 to 9 degrees below average for the month. The location with the coolest departure was Lemmon, which was 11.2 degrees below average, while the location with the warmest departure was Lead, at 5.2 degrees below average.
 
Precipitation in February was around 70 percent of average across the entire area.  The wettest/snowiest areas were across Northeast Wyoming and the Black Hills. The driest areas were across south central South Dakota, where precipitation was 10 to 40 percent of average. The locations with the highest departures were Winner with 0.02 inches of precipitation (3% of average) for the whole month, and Gillette with 0.77 inches of precipitation, which was 131% of average.
 
Snowfall was the heaviest over the Black Hills into the Bear Lodge Mountains where around a foot of snow fell. Across northwestern South Dakota, only 2 to 3 inches of snow fell for the month.  Lead reported 17.4 inches of snow this month. Hot Springs reported 8.9 inches of snow in February, which was over 200% of average. Winner only received 0.5 inches of snow for the month.
 
February storm summary...
 
February 4th – A weak low pressure system moved across the Northern Rockies into the Central Plains, bringing 1 to 5 inches of snowfall to much of Northeast Wyoming.
 
February 8th and 9th – Another low pressure system moved across the Northern Rockies into the Central Plains, bringing 2 to 9 inches of snowfall to much of Northeast Wyoming and far southwest South Dakota.
 
February 13th – A quick moving storm system moved through North Dakota, dragging a strong cold front across the area. Wind gusts of 60 to 80 mph were observed across northwestern South Dakota.
 
February 16th – A tight pressure gradient across the South Dakota Plains produced sustained winds of 35 to 45 mph with gusts to 60 mph.
 
February 20th – A strong low pressure system moved across the Dakotas into Minnesota, producing very windy conditions to the South Dakota Plains. Sustained winds of 40 to 50 mph, and gusts of 60 to 70 mph were observed.
 
February 24th - Another low pressure system moved across the Northern Rockies into the Central Plains, bringing 2 to 6 inches of snowfall to parts of Northeast Wyoming and southern South Dakota.

February extremes...

 

LOCAL EXTREMES
Rapid City
Lead
Gillette
Temperature
Temperature
Date
Temperature
Date
Temperature
Date
Max. Temp.
64
16th
55
16th
56
16th
Min. Temp.
-14
6th
-14
6th
-25
6th
Precipitation
Rapid City
Lead
Gillette
Monthly Data
Amount
Date
Amount
Date
Amount
Date
Precipitation
0.25
 
1.20
 
0.77
 
Snowfall
7.0
 
17.4
 
10.0
 
Daily Data
Amount
Date
Amount
Date
Amount
Date
Max. Precipitation
0.06
24th
0.15
15th
0.15
4th
Max. Snowfall
1.6
24th
2.0
15th, 17th, 22nd, 28th
2.0
4th,9th,24th

 Return to Climate Summaries


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