, SD

(GMT )
Rapid City

Weather History for KRAP - December, 2012

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Thursday, December 6, 2012

  Actual Average Record
Temperature  
Mean Temperature 37 °F 26 °F  
Max Temperature 43 °F 38 °F 65 °F (1981)
Min Temperature 30 °F 14 °F -20 °F (1972)
Degree Days  
Heating Degree Days 28 39  
Month to date heating degree days 125 229  
Since 1 July heating degree days 1636 1904  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 937 636  
Moisture  
Dew Point 20 °F    
Average Humidity 49    
Maximum Humidity 70    
Minimum Humidity 27    
Precipitation  
Precipitation 0.04 in 0.02 in 0.19 in (1982)
Month to date precipitation 0.04 0.08  
Year to date precipitation 11.20 15.95  
Snow  
Snow 1.20 in 0.20 in 2.70 in (1982)
Month to date snowfall 1.2 1.1  
Since 1 July snowfall 5.5 8.9  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 26 mph    
Max Gust Speed 46 mph    
Visibility 8 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 06, 2012 Rise Set
Actual Time 7:12 AM MST 4:14 PM MST
Civil Twilight 6:40 AM MST 4:46 PM MST
Nautical Twilight 6:03 AM MST 5:23 PM MST
Astronomical Twilight 5:28 AM MST 5:58 PM MST
Moon No Moon Rise 11:54 AM MST (12/6)
Length of Visible Light 10h 06m
Length of Day
9h 01m
Waning Gibbous, 48% of the Moon is Illuminated
Dec 6
Waning Gibbous
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 39.9 °F 30.5 °F 21.9 °F 49% 29.94 in 10.0 mi NNW 19.6 mph 26.5 mph N/A   Overcast
1:52 AM 39.0 °F 29.3 °F 21.0 °F 49% 29.97 in 10.0 mi North 19.6 mph - N/A   Overcast
2:52 AM 37.0 °F 26.7 °F 21.0 °F 52% 29.99 in 10.0 mi NNW 19.6 mph 27.6 mph N/A   Overcast
3:52 AM 37.0 °F 27.4 °F 16.0 °F 42% 30.02 in 10.0 mi NNW 17.3 mph 24.2 mph N/A   Overcast
4:52 AM 37.0 °F 28.1 °F 16.0 °F 42% 30.03 in 10.0 mi NW 15.0 mph - N/A   Overcast
5:52 AM 37.9 °F 29.2 °F 15.1 °F 39% 30.06 in 10.0 mi NW 15.0 mph - N/A   Overcast
6:52 AM 37.0 °F 31.0 °F 15.1 °F 41% 30.07 in 10.0 mi NW 8.1 mph - N/A   Overcast
7:52 AM 37.0 °F 29.8 °F 16.0 °F 42% 30.08 in 10.0 mi NW 10.4 mph - N/A   Overcast
8:52 AM 39.0 °F 33.4 °F 10.9 °F 32% 30.09 in 10.0 mi NW 8.1 mph - N/A   Overcast
9:52 AM 39.0 °F 35.7 °F 12.9 °F 34% 30.09 in 10.0 mi SW 4.6 mph - 0.00 in   Overcast
10:52 AM 39.9 °F - 10.9 °F 31% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
11:52 AM 41.0 °F - 10.0 °F 28% 30.06 in 10.0 mi North - - N/A   Overcast
12:52 PM 42.1 °F - 10.0 °F 27% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
1:52 PM 42.1 °F 38.4 °F 10.9 °F 28% 30.01 in 10.0 mi Variable 5.8 mph - N/A   Overcast
2:52 PM 41.0 °F 35.2 °F 21.0 °F 45% 30.01 in 10.0 mi SSE 9.2 mph - N/A   Mostly Cloudy
3:52 PM 39.0 °F 32.8 °F 21.9 °F 50% 30.01 in 10.0 mi South 9.2 mph - N/A   Overcast
4:52 PM 37.0 °F 31.6 °F 26.1 °F 65% 30.01 in 10.0 mi South 6.9 mph - N/A   Overcast
5:52 PM 36.0 °F 32.1 °F 27.0 °F 70% 30.01 in 10.0 mi South 4.6 mph - N/A   Overcast
6:52 PM 35.1 °F 29.3 °F 27.0 °F 72% 29.99 in 10.0 mi South 6.9 mph - N/A   Partly Cloudy
7:52 PM 34.0 °F 27.2 °F 23.0 °F 64% 29.98 in 10.0 mi South 8.1 mph - N/A   Overcast
8:52 PM 34.0 °F 29.8 °F 23.0 °F 64% 29.97 in 10.0 mi SSW 4.6 mph - N/A   Overcast
9:52 PM 36.0 °F 33.3 °F 21.0 °F 55% 29.96 in 10.0 mi East 3.5 mph - N/A   Overcast
10:52 PM 34.0 °F 25.5 °F 23.0 °F 64% 29.96 in 7.0 mi South 11.5 mph - 0.00 in Snow Light Snow
11:07 PM 32.0 °F 24.2 °F 24.8 °F 75% 29.90 in 3.0 mi SSE 9.2 mph - 0.00 in Snow Light Snow
11:15 PM 30.2 °F 21.3 °F 26.6 °F 86% 29.90 in 1.8 mi South 10.4 mph - 0.00 in Snow Light Snow
11:37 PM 30.2 °F 22.6 °F 28.4 °F 93% 29.89 in 1.0 mi South 8.1 mph - 0.02 in Snow Light Snow
11:43 PM 30.2 °F 22.6 °F 28.4 °F 93% 29.88 in 0.8 mi South 8.1 mph - 0.02 in Snow Light Snow
11:52 PM 30.0 °F 23.2 °F 28.0 °F 92% 29.94 in 0.8 mi SSE 6.9 mph - 0.04 in Snow Light Snow
11:56 PM 30.2 °F 23.4 °F 28.4 °F 93% 29.87 in 1.0 mi SSE 6.9 mph - 0.00 in Snow Light Snow