, SD

(GMT )
Rapid City

Weather History for KRAP - December, 2012

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Thursday, December 27, 2012

  Actual Average Record
Temperature  
Mean Temperature 4 °F 24 °F  
Max Temperature 13 °F 36 °F 59 °F (1980)
Min Temperature -5 °F 12 °F -10 °F (1988)
Degree Days  
Heating Degree Days 61 41  
Month to date heating degree days 1033 1080  
Since 1 July heating degree days 2544 2755  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 937 636  
Moisture  
Dew Point 4 °F    
Average Humidity 84    
Maximum Humidity 92    
Minimum Humidity 76    
Precipitation  
Precipitation 0.04 in 0.01 in 0.24 in (1987)
Month to date precipitation 0.25 0.36  
Year to date precipitation 11.41 16.23  
Snow  
Snow 1.20 in 0.20 in 3.20 in (1987)
Month to date snowfall 5.3 4.8  
Since 1 July snowfall 9.6 12.6  
Snow Depth 2.00 in    
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 9 mph (North)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 7 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 27, 2012 Rise Set
Actual Time 7:26 AM MST 4:20 PM MST
Civil Twilight 6:53 AM MST 4:54 PM MST
Nautical Twilight 6:16 AM MST 5:30 PM MST
Astronomical Twilight 5:41 AM MST 6:05 PM MST
Moon 4:07 PM MST (12/27) 6:37 AM MST (12/27)
Length of Visible Light 10h 00m
Length of Day
8h 54m
Full, 100% of the Moon is Illuminated
Dec 27
Full
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
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 10.0 °F - 7.0 °F 87% 29.96 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
1:52 AM 10.9 °F 2.9 °F 7.0 °F 84% 29.95 in 10.0 mi ESE 4.6 mph - 0.01 in   Overcast
2:36 AM 10.4 °F 2.2 °F 6.8 °F 85% 29.77 in 10.0 mi ESE 4.6 mph - N/A   Overcast
2:52 AM 10.9 °F - 7.0 °F 84% 29.97 in 9.0 mi Calm Calm - N/A   Overcast
3:52 AM 10.9 °F 4.7 °F 8.1 °F 88% 29.97 in 10.0 mi East 3.5 mph - 0.00 in   Overcast
4:52 AM 10.0 °F -0.9 °F 6.1 °F 84% 29.98 in 4.0 mi NNW 6.9 mph - 0.00 in Snow Light Snow
5:52 AM 10.0 °F -0.9 °F 6.1 °F 84% 29.98 in 5.0 mi NNW 6.9 mph - 0.00 in Snow Light Snow
6:52 AM 10.0 °F -2.9 °F 6.1 °F 84% 29.99 in 5.0 mi North 9.2 mph - 0.00 in Snow Light Snow
7:52 AM 10.0 °F -2.9 °F 5.0 °F 80% 30.00 in 3.0 mi North 9.2 mph - 0.00 in Snow Light Snow
7:59 AM 10.4 °F -3.3 °F 5.0 °F 79% 29.82 in 2.5 mi North 10.4 mph - 0.00 in Snow Light Snow
8:21 AM 10.4 °F -4.1 °F 5.0 °F 79% 29.83 in 1.5 mi North 11.5 mph - 0.00 in Snow Light Snow
8:50 AM 10.4 °F -5.4 °F 6.8 °F 85% 29.84 in 2.0 mi North 13.8 mph - 0.00 in Snow Light Snow
8:52 AM 10.0 °F -5.2 °F 6.1 °F 84% 30.03 in 2.0 mi North 12.7 mph - 0.00 in Snow Light Snow
9:07 AM 10.4 °F -4.8 °F 6.8 °F 85% 29.84 in 2.0 mi North 12.7 mph - 0.00 in Snow Light Snow
9:38 AM 10.4 °F -4.8 °F 6.8 °F 85% 29.86 in 2.0 mi North 12.7 mph - 0.00 in Snow Light Snow
9:52 AM 10.9 °F -4.1 °F 7.0 °F 84% 30.05 in 2.0 mi North 12.7 mph - 0.00 in Snow Light Snow
10:14 AM 10.4 °F -3.3 °F 6.8 °F 85% 29.86 in 2.5 mi North 10.4 mph - 0.00 in Snow Light Snow
10:34 AM 12.2 °F -2.5 °F 6.8 °F 79% 29.86 in 3.0 mi North 12.7 mph - 0.00 in Snow Light Snow
10:52 AM 12.0 °F -2.7 °F 7.0 °F 80% 30.04 in 4.0 mi North 12.7 mph - 0.00 in Snow Light Snow
11:52 AM 12.0 °F -3.4 °F 7.0 °F 80% 30.02 in 4.0 mi NNW 13.8 mph - 0.00 in Snow Light Snow
12:52 PM 12.9 °F -3.4 °F 7.0 °F 77% 30.02 in 6.0 mi North 16.1 mph - 0.00 in Snow Light Snow
1:52 PM 12.9 °F -2.8 °F 7.0 °F 77% 30.03 in 10.0 mi North 15.0 mph - 0.00 in   Overcast
2:52 PM 12.0 °F -4.0 °F 6.1 °F 77% 30.05 in 10.0 mi North 15.0 mph - N/A   Overcast
3:09 PM 12.2 °F -4.3 °F 6.8 °F 79% 29.87 in 10.0 mi North 16.1 mph - N/A   Overcast
3:52 PM 10.9 °F -4.7 °F 6.1 °F 81% 30.08 in 8.0 mi North 13.8 mph - 0.00 in   Overcast
4:48 PM 8.6 °F -8.3 °F 3.2 °F 79% 29.90 in 10.0 mi North 15.0 mph - N/A   Scattered Clouds
4:52 PM 8.1 °F -8.4 °F 3.0 °F 80% 30.10 in 10.0 mi North 13.8 mph - N/A   Partly Cloudy
5:52 PM 8.1 °F -8.4 °F 3.0 °F 80% 30.12 in 10.0 mi North 13.8 mph - N/A   Clear
6:52 PM 7.0 °F -9.1 °F 3.0 °F 84% 30.13 in 10.0 mi North 12.7 mph - N/A   Mostly Cloudy
7:52 PM 6.1 °F -11.6 °F 1.0 °F 80% 30.14 in 10.0 mi North 15.0 mph - N/A   Clear
8:52 PM 1.0 °F -8.7 °F -2.9 °F 83% 30.17 in 10.0 mi West 4.6 mph - N/A   Clear
9:52 PM -0.9 °F -12.7 °F -5.1 °F 83% 30.17 in 10.0 mi WNW 5.8 mph - N/A   Clear
10:52 PM -5.1 °F -13.6 °F -8.0 °F 87% 30.18 in 10.0 mi NW 3.5 mph - N/A   Clear
11:52 PM -2.9 °F -11.2 °F -8.0 °F 79% 30.17 in 10.0 mi NW 3.5 mph - N/A   Clear