Weather History for Rapid City, SD

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Wednesday, May 15, 2013

  Actual Average Record
Temperature  
Mean Temperature 61 °F 55 °F  
Max Temperature 78 °F 68 °F 90 °F (1987)
Min Temperature 43 °F 42 °F 30 °F (2005)
Degree Days  
Heating Degree Days 4 11  
Month to date heating degree days 199 192  
Since 1 July heating degree days 6998 6921  
Cooling Degree Days 0 0  
Month to date cooling degree days 5 0  
Year to date cooling degree days 5 2  
Growing Degree Days 13 (Base 50)    
Moisture  
Dew Point 39 °F    
Average Humidity 46    
Maximum Humidity 65    
Minimum Humidity 26    
Precipitation  
Precipitation 0.00 in 0.11 in 1.06 in (1982)
Month to date precipitation 0.01 1.49  
Year to date precipitation 4.47 4.96  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 1.0  
Since 1 July snowfall 76.7 41.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 9 mph (SE)    
Max Wind Speed 21 mph    
Max Gust Speed 32 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 15, 2013 Rise Set
Actual Time 5:25 AM MDT 8:12 PM MDT
Civil Twilight 4:52 AM MDT 8:45 PM MDT
Nautical Twilight 4:10 AM MDT 9:28 PM MDT
Astronomical Twilight 3:21 AM MDT 10:17 PM MDT
Moon 10:05 AM MDT (5/15) No Moon Set
Length of Visible Light 15h 53m
Length of Day
14h 46m
Waxing Crescent, 27% of the Moon is Illuminated
May 15
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 50.0 °F - 32.0 °F 50% 29.88 in 10.0 mi Calm Calm - N/A   Clear
1:52 AM 51.1 °F - 34.0 °F 52% 29.92 in 10.0 mi North 8.1 mph - N/A   Clear
2:52 AM 48.9 °F - 34.0 °F 56% 29.91 in 10.0 mi NNE 4.6 mph - N/A   Clear
3:52 AM 46.0 °F - 34.0 °F 63% 29.93 in 10.0 mi Calm Calm - N/A   Clear
4:52 AM 46.0 °F 44.8 °F 35.1 °F 66% 29.94 in 10.0 mi NNE 3.5 mph - N/A   Clear
5:52 AM 48.0 °F - 36.0 °F 63% 29.95 in 10.0 mi NNE 11.5 mph - N/A   Clear
6:52 AM 55.9 °F - 39.0 °F 53% 29.97 in 10.0 mi Calm Calm - N/A   Clear
7:52 AM 57.9 °F - 39.9 °F 51% 30.00 in 10.0 mi SSW 3.5 mph - N/A   Clear
8:52 AM 63.0 °F - 41.0 °F 45% 29.99 in 10.0 mi South 12.7 mph - N/A   Clear
9:52 AM 66.0 °F - 41.0 °F 40% 29.98 in 10.0 mi SSE 13.8 mph - N/A   Clear
10:52 AM 69.1 °F - 41.0 °F 36% 29.97 in 10.0 mi SSW 5.8 mph 17.3 mph N/A   Clear
11:52 AM 72.0 °F - 39.0 °F 30% 29.95 in 10.0 mi SSE 13.8 mph 24.2 mph N/A   Clear
12:52 PM 73.9 °F - 39.0 °F 28% 29.94 in 10.0 mi South 11.5 mph - N/A   Clear
1:52 PM 75.0 °F - 39.9 °F 28% 29.91 in 10.0 mi SSE 11.5 mph 24.2 mph N/A   Clear
2:52 PM 77.0 °F - 39.9 °F 26% 29.87 in 10.0 mi SSE 16.1 mph 24.2 mph N/A   Clear
3:52 PM 78.1 °F - 41.0 °F 27% 29.85 in 10.0 mi SSE 16.1 mph 23.0 mph N/A   Clear
4:52 PM 78.1 °F - 41.0 °F 27% 29.83 in 10.0 mi SE 20.7 mph 24.2 mph N/A   Clear
5:52 PM 75.9 °F - 41.0 °F 29% 29.83 in 10.0 mi SE 12.7 mph 21.9 mph N/A   Clear
6:52 PM 75.0 °F - 42.1 °F 31% 29.81 in 10.0 mi SE 12.7 mph - N/A   Clear
7:52 PM 69.1 °F - 43.0 °F 39% 29.83 in 10.0 mi ESE 5.8 mph - N/A   Clear
8:52 PM 64.0 °F - 42.1 °F 45% 29.83 in 10.0 mi ESE 6.9 mph - N/A   Clear
9:52 PM 62.1 °F - 42.1 °F 48% 29.84 in 10.0 mi ESE 6.9 mph - N/A   Clear
10:52 PM 63.0 °F - 42.1 °F 46% 29.85 in 10.0 mi SSW 6.9 mph - N/A   Clear
11:52 PM 64.9 °F - 42.1 °F 43% 29.81 in 10.0 mi SSE 10.4 mph - N/A   Partly Cloudy