Rapid City, SD

12:07 PM MDT on March 29, 2017 (GMT -0600)
Rapid City Regional

Weather History for KRAP - December, 2012

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Saturday, December 8, 2012

  Actual Average Record
Temperature  
Mean Temperature 26 °F 26 °F  
Max Temperature 40 °F 38 °F 62 °F (1984)
Min Temperature 11 °F 14 °F -23 °F (1972)
Degree Days  
Heating Degree Days 39 39  
Month to date heating degree days 203 307  
Since 1 July heating degree days 1714 1982  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 937 636  
Moisture  
Dew Point 19 °F    
Average Humidity 74    
Maximum Humidity 88    
Minimum Humidity 59    
Precipitation  
Precipitation T in 0.01 in 0.18 in (2007)
Month to date precipitation 0.08 0.10  
Year to date precipitation 11.24 15.97  
Snow  
Snow T in 0.10 in 3.90 in (2007)
Month to date snowfall 1.1 1.4  
Since 1 July snowfall 5.4 9.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.79 in    
Wind  
Wind Speed 18 mph (NNW)    
Max Wind Speed 44 mph    
Max Gust Speed 54 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Dec. 08, 2012 Rise Set
Actual Time 7:14 AM MST 4:13 PM MST
Civil Twilight 6:41 AM MST 4:46 PM MST
Nautical Twilight 6:05 AM MST 5:23 PM MST
Astronomical Twilight 5:30 AM MST 5:58 PM MST
Moon 1:32 AM MST (12/8) 12:53 PM MST (12/8)
Length of Visible Light 10h 04m
Length of Day
8h 59m
Waning Crescent, 27% of the Moon is Illuminated
Dec 8
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last 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 21.0 °F 12.4 °F 17.1 °F 85% 29.88 in 10.0 mi SE 6.9 mph - N/A   Clear
1:52 AM 23.0 °F 13.9 °F 19.0 °F 85% 29.86 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
2:52 AM 24.1 °F 14.4 °F 19.9 °F 84% 29.81 in 10.0 mi SE 9.2 mph - N/A   Clear
3:52 AM 26.1 °F 15.6 °F 21.9 °F 84% 29.77 in 10.0 mi SSE 11.5 mph - N/A   Clear
4:52 AM 25.0 °F 17.1 °F 21.0 °F 85% 29.74 in 10.0 mi SSE 6.9 mph - N/A   Clear
5:52 AM 26.1 °F 16.8 °F 21.9 °F 84% 29.73 in 10.0 mi SSE 9.2 mph - N/A   Clear
6:52 AM 24.1 °F 18.2 °F 21.0 °F 88% 29.72 in 10.0 mi SE 4.6 mph - N/A   Clear
7:52 AM 24.1 °F 19.7 °F 21.0 °F 88% 29.70 in 10.0 mi NW 3.5 mph - N/A   Partly Cloudy
8:52 AM 26.1 °F - 21.9 °F 84% 29.70 in 10.0 mi Calm Calm - N/A   Clear
9:52 AM 28.9 °F - 24.1 °F 82% 29.70 in 10.0 mi Calm Calm - N/A   Clear
10:52 AM 36.0 °F 26.7 °F 26.1 °F 67% 29.69 in 10.0 mi NNW 15.0 mph 20.7 mph N/A   Clear
11:52 AM 36.0 °F 26.7 °F 23.0 °F 59% 29.67 in 10.0 mi North 15.0 mph - N/A   Clear
12:52 PM 37.9 °F 27.1 °F 24.1 °F 57% 29.66 in 10.0 mi NNW 23.0 mph 28.8 mph N/A   Clear
1:52 PM 37.0 °F 26.7 °F 25.0 °F 62% 29.68 in 10.0 mi NNW 19.6 mph 28.8 mph N/A   Clear
2:52 PM 35.1 °F 23.3 °F 23.0 °F 61% 29.71 in 10.0 mi NNW 23.0 mph 33.4 mph N/A   Mostly Cloudy
3:52 PM 34.0 °F 22.4 °F 21.9 °F 61% 29.75 in 10.0 mi NNW 20.7 mph - N/A   Overcast
4:52 PM 33.8 °F 21.3 °F 21.2 °F 60% 29.69 in 10.0 mi NNW 24.2 mph 28.8 mph N/A   Overcast
5:18 PM 30.2 °F 16.5 °F 23.0 °F 75% 29.71 in 8.0 mi NNW 24.2 mph 28.8 mph 0.00 in Snow Light Snow
5:26 PM 30.2 °F 17.1 °F 23.0 °F 75% 29.72 in 9.0 mi NNW 21.9 mph 31.1 mph 0.00 in   Overcast
5:52 PM 28.0 °F 11.3 °F 23.0 °F 81% 29.83 in 9.0 mi NNW 34.5 mph 40.3 mph 0.00 in Snow Light Snow
6:22 PM 21.2 °F 3.0 °F 17.6 °F 86% 29.74 in 2.5 mi NNW 29.9 mph 41.4 mph 0.00 in Snow Light Snow
6:45 PM 21.2 °F 2.7 °F 15.8 °F 80% 29.75 in 5.0 mi NNW 31.1 mph 40.3 mph 0.00 in Snow Light Snow
6:52 PM 21.9 °F 3.1 °F 16.0 °F 78% 29.88 in 9.0 mi NNW 33.4 mph 43.7 mph 0.00 in   Overcast
7:52 PM 21.9 °F 3.7 °F 12.9 °F 68% 29.94 in 10.0 mi NNW 31.1 mph 40.3 mph N/A   Overcast
8:52 PM 18.0 °F -2.3 °F 8.1 °F 65% 29.99 in 10.0 mi NNW 33.4 mph 46.0 mph 0.00 in   Overcast
9:52 PM 15.8 °F -5.0 °F 6.8 °F 68% 29.90 in 10.0 mi NNW 32.2 mph 44.9 mph N/A   Overcast
10:52 PM 12.0 °F -12.1 °F 3.0 °F 67% 30.06 in 10.0 mi NNW 40.3 mph 52.9 mph 0.00 in   Overcast
11:52 PM 10.9 °F -11.9 °F 3.9 °F 73% 30.11 in 6.0 mi NNW 33.4 mph 46.0 mph 0.00 in Snow Blowing Snow