, SD

(GMT )
Rapid City

Weather History for KRAP - December, 2012

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Friday, December 14, 2012

  Actual Average Record
Temperature  
Mean Temperature 33 °F 24 °F  
Max Temperature 45 °F 37 °F 70 °F (1998)
Min Temperature 20 °F 13 °F -25 °F (1989)
Degree Days  
Heating Degree Days 32 40  
Month to date heating degree days 437 547  
Since 1 July heating degree days 1948 2222  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 937 636  
Moisture  
Dew Point 21 °F    
Average Humidity 67    
Maximum Humidity 88    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.02 in 0.92 in (1996)
Month to date precipitation 0.08 0.18  
Year to date precipitation 11.24 16.05  
Snow  
Snow 0.00 in 0.20 in 3.70 in (1994)
Month to date snowfall 1.1 2.5  
Since 1 July snowfall 5.4 10.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.73 in    
Wind  
Wind Speed 4 mph (North)    
Max Wind Speed 23 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 14, 2012 Rise Set
Actual Time 7:19 AM MST 4:14 PM MST
Civil Twilight 6:46 AM MST 4:47 PM MST
Nautical Twilight 6:10 AM MST 5:24 PM MST
Astronomical Twilight 5:35 AM MST 5:59 PM MST
Moon 8:24 AM MST (12/14) 6:12 PM MST (12/14)
Length of Visible Light 10h 00m
Length of Day
8h 54m
Waxing Crescent, 3% of the Moon is Illuminated
Dec 14
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 27.0 °F - 19.9 °F 75% 29.86 in 10.0 mi Calm Calm - N/A   Clear
1:52 AM 23.0 °F - 18.0 °F 81% 29.87 in 10.0 mi Calm Calm - N/A   Clear
2:52 AM 23.0 °F - 17.1 °F 78% 29.85 in 10.0 mi Calm Calm - N/A   Clear
3:52 AM 24.1 °F - 18.0 °F 77% 29.82 in 10.0 mi Calm Calm - N/A   Clear
4:52 AM 25.0 °F - 18.0 °F 75% 29.81 in 10.0 mi Calm Calm - N/A   Clear
5:52 AM 19.9 °F - 15.1 °F 81% 29.84 in 10.0 mi Calm Calm - N/A   Clear
6:52 AM 21.0 °F 12.4 °F 15.1 °F 78% 29.84 in 10.0 mi North 6.9 mph - N/A   Clear
7:52 AM 24.1 °F - 16.0 °F 71% 29.83 in 10.0 mi Calm Calm - N/A   Clear
8:52 AM 33.1 °F - 25.0 °F 72% 29.80 in 10.0 mi Calm Calm - N/A   Clear
9:52 AM 37.9 °F - 21.9 °F 53% 29.78 in 10.0 mi Calm Calm - N/A   Clear
10:52 AM 41.0 °F 35.2 °F 26.1 °F 55% 29.75 in 10.0 mi SE 9.2 mph - N/A   Clear
11:52 AM 39.0 °F 35.7 °F 25.0 °F 57% 29.72 in 10.0 mi East 4.6 mph - N/A   Clear
12:52 PM 43.0 °F - 25.0 °F 49% 29.67 in 10.0 mi Calm Calm - N/A   Clear
1:52 PM 44.1 °F - 25.0 °F 47% 29.65 in 10.0 mi Calm Calm - N/A   Clear
2:52 PM 41.0 °F 36.4 °F 21.9 °F 47% 29.65 in 10.0 mi NNE 6.9 mph - N/A   Clear
3:52 PM 34.0 °F - 21.9 °F 61% 29.67 in 10.0 mi Calm Calm - N/A   Clear
4:52 PM 30.0 °F - 21.9 °F 72% 29.66 in 10.0 mi Calm Calm - N/A   Clear
5:52 PM 27.0 °F 21.6 °F 23.0 °F 85% 29.68 in 10.0 mi NNW 4.6 mph - N/A   Clear
6:52 PM 27.0 °F 20.5 °F 23.0 °F 85% 29.68 in 10.0 mi NW 5.8 mph - N/A   Clear
7:52 PM 26.1 °F 20.5 °F 23.0 °F 88% 29.69 in 10.0 mi East 4.6 mph - N/A   Clear
8:52 PM 25.0 °F 14.2 °F 21.9 °F 88% 29.65 in 10.0 mi NW 11.5 mph - N/A   Clear
9:52 PM 27.0 °F 16.1 °F 21.0 °F 78% 29.63 in 10.0 mi NW 12.7 mph - N/A   Clear
10:52 PM 30.0 °F 20.5 °F 21.0 °F 69% 29.62 in 10.0 mi NNW 11.5 mph - N/A   Clear
11:52 PM 28.9 °F 19.8 °F 21.0 °F 72% 29.66 in 10.0 mi North 10.4 mph - N/A   Clear