Weather History for Rapid City, SD

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Monday, February 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 23 °F 28 °F  
Max Temperature 34 °F 40 °F 66 °F (1983)
Min Temperature 12 °F 16 °F -23 °F (2006)
Degree Days  
Heating Degree Days 42 37  
Month to date heating degree days 603 694  
Since 1 July heating degree days 4596 4850  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 16 °F    
Average Humidity 65    
Maximum Humidity 80    
Minimum Humidity 49    
Precipitation  
Precipitation T in 0.02 in 0.36 in (1971)
Month to date precipitation 0.06 0.23  
Year to date precipitation 0.49 0.53  
Snow  
Snow T in 0.20 in - ()
Month to date snowfall 1.9 3.2  
Since 1 July snowfall 18.5 20.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 25 mph (NNW)    
Max Wind Speed 44 mph    
Max Gust Speed 53 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 18, 2013 Rise Set
Actual Time 6:46 AM MST 5:26 PM MST
Civil Twilight 6:17 AM MST 5:55 PM MST
Nautical Twilight 5:43 AM MST 6:29 PM MST
Astronomical Twilight 5:10 AM MST 7:02 PM MST
Moon 11:07 AM MST (2/18) 1:34 AM MST (2/18)
Length of Visible Light 11h 38m
Length of Day
10h 39m
First Quarter, 59% of the Moon is Illuminated
Feb 18
First Quarter
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
12:09 AM 33.8 °F 18.5 °F 21.2 °F 60% 29.72 in 10.0 mi NNW 39.1 mph 51.8 mph N/A   Mostly Cloudy
12:25 AM 32.0 °F 16.7 °F 21.2 °F 64% 29.73 in 10.0 mi NNW 34.5 mph 44.9 mph N/A   Mostly Cloudy
12:52 AM 32.0 °F 17.2 °F 21.9 °F 66% 29.77 in 10.0 mi NNW 32.2 mph 40.3 mph N/A   Mostly Cloudy
1:52 AM 32.0 °F 18.1 °F 19.9 °F 61% 29.81 in 10.0 mi NW 27.6 mph 35.7 mph N/A   Overcast
2:52 AM 30.0 °F 13.4 °F 21.0 °F 69% 29.86 in 10.0 mi NNW 38.0 mph 47.2 mph N/A   Overcast
3:52 AM 28.9 °F 12.8 °F 19.0 °F 67% 29.87 in 10.0 mi NNW 33.4 mph 48.3 mph N/A   Overcast
4:12 AM 28.4 °F 13.0 °F 17.6 °F 64% 29.81 in 10.0 mi NNW 28.8 mph 44.9 mph N/A   Overcast
4:52 AM 26.1 °F 9.1 °F 16.0 °F 66% 29.92 in 10.0 mi NNW 32.2 mph 40.3 mph N/A   Clear
5:52 AM 27.0 °F 12.8 °F 17.1 °F 66% 29.95 in 10.0 mi NNW 21.9 mph 28.8 mph N/A   Mostly Cloudy
6:52 AM 26.6 °F 10.6 °F 17.6 °F 69% 29.87 in 10.0 mi NNW 28.8 mph 34.5 mph N/A   Clear
7:52 AM 28.0 °F 12.3 °F 17.1 °F 63% 29.99 in 10.0 mi NNW 29.9 mph 41.4 mph N/A   Clear
8:52 AM 30.0 °F 15.7 °F 17.1 °F 59% 30.01 in 10.0 mi NW 26.5 mph 41.4 mph N/A   Clear
9:52 AM 32.0 °F 17.4 °F 16.0 °F 52% 30.03 in 10.0 mi NNW 31.1 mph 42.6 mph N/A   Partly Cloudy
10:52 AM 32.0 °F 18.1 °F 17.1 °F 54% 30.04 in 10.0 mi NNW 27.6 mph 38.0 mph N/A   Scattered Clouds
11:52 AM 32.0 °F 17.6 °F 16.0 °F 52% 30.06 in 10.0 mi NNW 29.9 mph 39.1 mph N/A   Overcast
12:52 PM 33.1 °F 19.3 °F 17.1 °F 52% 30.05 in 10.0 mi NNW 28.8 mph 35.7 mph N/A   Partly Cloudy
1:40 PM 28.4 °F 13.0 °F 19.4 °F 69% 29.98 in 1.8 mi NNW 28.8 mph 38.0 mph 0.00 in Snow Light Snow
1:47 PM 28.4 °F 13.5 °F 21.2 °F 74% 29.98 in 2.5 mi NNW 26.5 mph 36.8 mph 0.00 in Snow Light Snow
1:52 PM 30.0 °F 15.4 °F 21.0 °F 69% 30.08 in 5.0 mi NNW 27.6 mph 33.4 mph 0.00 in Snow Light Snow
2:52 PM 30.9 °F 15.7 °F 15.1 °F 52% 30.09 in 10.0 mi NNW 32.2 mph 42.6 mph 0.00 in   Overcast
3:52 PM 28.0 °F 12.5 °F 15.1 °F 58% 30.12 in 10.0 mi NNW 28.8 mph 40.3 mph N/A   Overcast
4:52 PM 27.0 °F 12.5 °F 12.9 °F 56% 30.14 in 10.0 mi NNW 23.0 mph 34.5 mph N/A   Overcast
5:52 PM 24.8 °F 9.3 °F 12.2 °F 59% 30.05 in 10.0 mi North 24.2 mph 28.8 mph N/A   Overcast
6:52 PM 19.9 °F 5.2 °F 10.9 °F 68% 30.19 in 10.0 mi North 17.3 mph - N/A   Clear
7:52 PM 19.0 °F 6.1 °F 10.9 °F 71% 30.21 in 10.0 mi North 12.7 mph - N/A   Partly Cloudy
8:52 PM 18.0 °F 7.7 °F 10.9 °F 74% 30.22 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
9:52 PM 16.0 °F 6.3 °F 10.0 °F 77% 30.22 in 10.0 mi North 6.9 mph - N/A   Overcast
10:52 PM 14.0 °F -0.8 °F 9.0 °F 80% 30.24 in 10.0 mi NNE 13.8 mph - N/A   Clear
11:52 PM 14.0 °F 1.2 °F 8.1 °F 77% 30.26 in 10.0 mi North 10.4 mph - N/A   Clear