Weather History for Rapid City, SD

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Thursday, May 3, 2012

  Actual Average Record
Temperature  
Mean Temperature 54 °F 51 °F  
Max Temperature 66 °F 64 °F 93 °F (1952)
Min Temperature 42 °F 38 °F 19 °F (1954)
Degree Days  
Heating Degree Days 11 14  
Month to date heating degree days 25 44  
Since 1 July heating degree days 5857 6773  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 9 2  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 44 °F    
Average Humidity 69    
Maximum Humidity 93    
Minimum Humidity 44    
Precipitation  
Precipitation T in 0.09 in 0.76 in (1969)
Month to date precipitation 0.05 0.28  
Year to date precipitation 3.87 3.75  
Snow  
Snow 0.00 in 0.10 in - ()
Month to date snowfall 0.0 0.3  
Since 1 July snowfall 24.7 40.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 8 mph (ENE)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 03, 2012 Rise Set
Actual Time 5:40 AM MDT 7:58 PM MDT
Civil Twilight 5:08 AM MDT 8:30 PM MDT
Nautical Twilight 4:28 AM MDT 9:10 PM MDT
Astronomical Twilight 3:44 AM MDT 9:55 PM MDT
Moon 5:21 PM MDT (5/3) 3:51 AM MDT (5/3)
Length of Visible Light 15h 22m
Length of Day
14h 18m
Waxing Gibbous, 91% of the Moon is Illuminated
May 3
Waxing Gibbous
May 5
Full
May 12
Last Quarter
May 20
New
May 28
First Quarter

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 - 43.0 °F 77% 29.81 in 10.0 mi NNW 20.7 mph - N/A   Clear
1:52 AM 48.0 °F - 42.1 °F 80% 29.82 in 10.0 mi NNW 16.1 mph - N/A   Clear
2:52 AM 44.1 °F 38.1 °F 39.9 °F 85% 29.84 in 10.0 mi NW 11.5 mph - N/A   Clear
3:52 AM 45.0 °F 40.1 °F 39.9 °F 82% 29.86 in 10.0 mi NW 9.2 mph - N/A   Clear
4:52 AM 45.0 °F 39.7 °F 39.9 °F 82% 29.88 in 10.0 mi NW 10.4 mph - N/A   Clear
5:52 AM 44.6 °F 39.2 °F 39.2 °F 81% 29.92 in 10.0 mi NW 10.4 mph - N/A   Clear
6:52 AM 48.2 °F - 41.0 °F 76% 29.94 in 10.0 mi WNW 8.1 mph - N/A   Clear
7:52 AM 54.0 °F - 42.1 °F 64% 29.93 in 10.0 mi WNW 3.5 mph - N/A   Clear
8:52 AM 57.0 °F - 43.0 °F 59% 29.93 in 10.0 mi NNE 4.6 mph - N/A   Clear
9:52 AM 59.0 °F - 44.1 °F 58% 29.95 in 10.0 mi Calm Calm - N/A   Clear
10:52 AM 61.0 °F - 42.1 °F 50% 29.96 in 10.0 mi Calm Calm - N/A   Clear
11:52 AM 64.0 °F - 43.0 °F 46% 29.94 in 10.0 mi East 8.1 mph - N/A   Clear
12:52 PM 62.1 °F - 43.0 °F 50% 29.94 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
1:52 PM 63.0 °F - 44.1 °F 50% 29.92 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
2:52 PM 64.9 °F - 46.0 °F 50% 29.91 in 10.0 mi SE 11.5 mph 18.4 mph N/A   Clear
3:52 PM 64.9 °F - 44.1 °F 47% 29.90 in 10.0 mi SE 6.9 mph - N/A   Partly Cloudy
4:52 PM 64.0 °F - 45.0 °F 50% 29.87 in 10.0 mi ESE 16.1 mph - N/A   Mostly Cloudy
5:52 PM 64.9 °F - 44.1 °F 47% 29.85 in 10.0 mi SE 17.3 mph - N/A   Clear
6:52 PM 62.1 °F - 46.0 °F 56% 29.84 in 10.0 mi ESE 11.5 mph - N/A   Partly Cloudy
7:52 PM 59.0 °F - 48.2 °F 67% 29.89 in 10.0 mi SSE 10.4 mph - N/A   Scattered Clouds
8:52 PM 57.0 °F - 50.0 °F 77% 29.84 in 10.0 mi SSE 8.1 mph - 0.00 in   Mostly Cloudy
9:52 PM 57.0 °F - 50.0 °F 77% 29.86 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:52 PM 54.0 °F - 51.1 °F 90% 29.86 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:52 PM 53.1 °F - 48.0 °F 83% 29.83 in 10.0 mi SE 3.5 mph - 0.00 in   Clear