Weather History for Rapid City, SD

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Wednesday, February 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 23 °F 28 °F  
Max Temperature 34 °F 41 °F 65 °F (1972)
Min Temperature 11 °F 16 °F -6 °F (1959)
Degree Days  
Heating Degree Days 42 37  
Month to date heating degree days 695 768  
Since 1 July heating degree days 4688 4924  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 11 °F    
Average Humidity 58    
Maximum Humidity 76    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.02 in 0.54 in (2011)
Month to date precipitation 0.06 0.27  
Year to date precipitation 0.49 0.57  
Snow  
Snow 0.00 in 0.20 in - ()
Month to date snowfall 1.9 3.7  
Since 1 July snowfall 18.5 21.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 17 mph (SSE)    
Max Wind Speed 26 mph    
Max Gust Speed 32 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 20, 2013 Rise Set
Actual Time 6:43 AM MST 5:29 PM MST
Civil Twilight 6:14 AM MST 5:58 PM MST
Nautical Twilight 5:40 AM MST 6:32 PM MST
Astronomical Twilight 5:07 AM MST 7:05 PM MST
Moon 12:46 PM MST (2/20) 3:11 AM MST (2/20)
Length of Visible Light 11h 44m
Length of Day
10h 45m
Waxing Gibbous, 76% of the Moon is Illuminated
Feb 20
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 12.9 °F -3.4 °F 3.9 °F 67% 30.13 in 10.0 mi SSE 16.1 mph - N/A   Clear
1:52 AM 12.0 °F -4.5 °F 3.9 °F 70% 30.11 in 10.0 mi SE 16.1 mph - N/A   Clear
2:52 AM 10.9 °F -2.6 °F 3.9 °F 73% 30.09 in 10.0 mi SSE 10.4 mph - N/A   Clear
3:52 AM 12.0 °F -3.4 °F 5.0 °F 73% 30.08 in 10.0 mi SSE 13.8 mph - N/A   Clear
4:52 AM 12.0 °F -3.4 °F 5.0 °F 73% 30.06 in 10.0 mi SE 13.8 mph - N/A   Clear
5:52 AM 12.0 °F -5.1 °F 5.0 °F 73% 30.05 in 10.0 mi SE 17.3 mph - N/A   Clear
6:52 AM 10.9 °F -5.4 °F 5.0 °F 77% 30.05 in 10.0 mi SE 15.0 mph - N/A   Clear
7:52 AM 15.1 °F 1.1 °F 7.0 °F 70% 30.05 in 10.0 mi SSE 12.7 mph - N/A   Clear
8:52 AM 21.0 °F 4.6 °F 8.1 °F 57% 30.02 in 10.0 mi South 23.0 mph 27.6 mph N/A   Clear
9:52 AM 24.8 °F 9.6 °F 8.6 °F 50% 29.87 in 10.0 mi South 23.0 mph 29.9 mph N/A   Scattered Clouds
10:03 AM 24.8 °F 11.1 °F 8.6 °F 50% 29.87 in 10.0 mi South 18.4 mph 25.3 mph N/A   Mostly Cloudy
10:52 AM 26.1 °F 12.3 °F 9.0 °F 49% 30.01 in 10.0 mi South 19.6 mph 27.6 mph N/A   Mostly Cloudy
11:04 AM 24.8 °F 10.0 °F 8.6 °F 50% 29.87 in 10.0 mi South 21.9 mph 28.8 mph N/A   Partly Cloudy
11:52 AM 28.0 °F 13.9 °F 10.0 °F 47% 30.00 in 10.0 mi SSE 23.0 mph 28.8 mph N/A   Clear
12:52 PM 32.0 °F 20.1 °F 10.9 °F 42% 29.96 in 10.0 mi South 19.6 mph 25.3 mph N/A   Clear
1:52 PM 33.1 °F 20.9 °F 12.9 °F 43% 29.95 in 10.0 mi SSE 21.9 mph 27.6 mph N/A   Mostly Cloudy
2:52 PM 30.9 °F 18.7 °F 16.0 °F 54% 29.96 in 10.0 mi SSE 19.6 mph 26.5 mph N/A   Overcast
3:52 PM 28.4 °F 15.4 °F 15.8 °F 59% 29.82 in 10.0 mi SSE 19.6 mph - N/A   Overcast
4:52 PM 27.0 °F 13.5 °F 16.0 °F 63% 29.97 in 10.0 mi SSE 19.6 mph 25.3 mph N/A   Overcast
5:40 PM 26.6 °F 13.8 °F 15.8 °F 64% 29.84 in 10.0 mi South 17.3 mph - N/A   Overcast
5:52 PM 26.1 °F 13.6 °F 16.0 °F 66% 29.99 in 10.0 mi SSE 16.1 mph - N/A   Overcast
6:52 PM 25.0 °F 12.2 °F 17.1 °F 72% 30.01 in 10.0 mi SSE 16.1 mph - N/A   Overcast
7:52 PM 24.8 °F 13.4 °F 17.6 °F 74% 29.86 in 10.0 mi SSE 12.7 mph - N/A   Overcast
8:52 PM 25.0 °F 11.7 °F 18.0 °F 75% 29.99 in 10.0 mi SSE 17.3 mph - N/A   Overcast
9:52 PM 24.1 °F 12.0 °F 17.1 °F 75% 30.01 in 10.0 mi SSE 13.8 mph - N/A   Overcast
10:52 PM 24.1 °F 12.5 °F 18.0 °F 77% 30.01 in 10.0 mi SSE 12.7 mph - N/A   Overcast
11:08 PM 24.8 °F 12.9 °F 17.6 °F 74% 29.89 in 10.0 mi SSE 13.8 mph - N/A   Overcast
11:52 PM 24.1 °F 13.1 °F 18.0 °F 77% 30.01 in 10.0 mi SSE 11.5 mph - N/A   Overcast