Weather History for Rapid City, SD

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Monday, May 12, 2014

  Actual Average Record
Temperature  
Mean Temperature 42 °F 54 °F  
Max Temperature 51 °F 67 °F 90 °F (1960)
Min Temperature 32 °F 41 °F 22 °F (1953)
Degree Days  
Heating Degree Days 23 12  
Month to date heating degree days 218 159  
Since 1 July heating degree days 7514 6888  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 2  
Moisture  
Dew Point 27 °F    
Average Humidity 59    
Maximum Humidity 85    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in 0.11 in 0.54 in (2010)
Month to date precipitation 1.02 1.16  
Year to date precipitation 4.87 4.63  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.1 0.9  
Since 1 July snowfall 63.8 40.9  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.26 in    
Wind  
Wind Speed 23 mph (NNW)    
Max Wind Speed 39 mph    
Max Gust Speed 47 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 12, 2014 Rise Set
Actual Time 5:29 AM MDT 8:08 PM MDT
Civil Twilight 4:56 AM MDT 8:41 PM MDT
Nautical Twilight 4:14 AM MDT 9:23 PM MDT
Astronomical Twilight 3:27 AM MDT 10:11 PM MDT
Moon 6:04 PM MDT (5/12) 4:15 AM MDT (5/12)
Length of Visible Light 15h 45m
Length of Day
14h 39m
Waxing Gibbous, 95% of the Moon is Illuminated
May 12
Waxing Gibbous
May 14
Full
May 21
Last Quarter
May 28
New
Jun 5
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 37.0 °F 29.8 °F 34.0 °F 89% 30.20 in 10.0 mi North 10.4 mph - N/A   Overcast
1:52 AM 37.9 °F 28.5 °F 32.0 °F 79% 30.19 in 10.0 mi North 17.3 mph - N/A   Clear
2:52 AM 37.0 °F 26.4 °F 30.9 °F 79% 30.18 in 10.0 mi North 20.7 mph - N/A   Clear
3:52 AM 37.0 °F 27.4 °F 30.9 °F 79% 30.20 in 10.0 mi North 17.3 mph 25.3 mph N/A   Clear
4:52 AM 36.0 °F 25.6 °F 30.0 °F 79% 30.19 in 10.0 mi North 18.4 mph - N/A   Partly Cloudy
5:52 AM 36.0 °F 25.6 °F 28.0 °F 73% 30.22 in 10.0 mi NNW 18.4 mph - N/A   Clear
6:52 AM 37.0 °F 25.9 °F 28.0 °F 70% 30.23 in 10.0 mi NNW 23.0 mph 31.1 mph N/A   Scattered Clouds
7:52 AM 39.2 °F 27.6 °F 26.6 °F 61% 30.18 in 10.0 mi NNW 28.8 mph 36.8 mph N/A   Overcast
8:52 AM 41.0 °F 30.0 °F 27.0 °F 57% 30.25 in 10.0 mi NNW 28.8 mph 38.0 mph N/A   Partly Cloudy
9:52 AM 43.0 °F 33.1 °F 27.0 °F 53% 30.27 in 10.0 mi North 26.5 mph 39.1 mph N/A   Scattered Clouds
10:52 AM 44.1 °F 33.8 °F 26.1 °F 49% 30.28 in 10.0 mi NNW 31.1 mph 40.3 mph N/A   Overcast
11:52 AM 46.0 °F 36.5 °F 26.1 °F 46% 30.29 in 10.0 mi North 31.1 mph 38.0 mph N/A   Mostly Cloudy
12:52 PM 48.0 °F - 26.1 °F 42% 30.27 in 10.0 mi North 32.2 mph 42.6 mph N/A   Scattered Clouds
1:52 PM 48.9 °F - 24.1 °F 38% 30.26 in 10.0 mi North 31.1 mph 42.6 mph N/A   Clear
2:52 PM 50.0 °F - 24.1 °F 36% 30.26 in 10.0 mi NNW 32.2 mph 44.9 mph N/A   Clear
3:52 PM 50.0 °F - 23.0 °F 35% 30.26 in 10.0 mi NNW 29.9 mph 41.4 mph N/A   Partly Cloudy
4:52 PM 48.9 °F - 24.1 °F 38% 30.27 in 10.0 mi NNW 27.6 mph 36.8 mph N/A   Scattered Clouds
5:52 PM 48.9 °F - 23.0 °F 36% 30.27 in 10.0 mi NNW 25.3 mph 35.7 mph N/A   Mostly Cloudy
6:52 PM 48.9 °F - 21.9 °F 35% 30.27 in 10.0 mi NNW 25.3 mph 35.7 mph N/A   Partly Cloudy
7:52 PM 46.9 °F - 25.0 °F 42% 30.29 in 10.0 mi NNW 19.6 mph 31.1 mph N/A   Overcast
8:52 PM 42.8 °F 35.8 °F 26.6 °F 53% 30.26 in 10.0 mi NNW 13.8 mph - N/A   Clear
9:52 PM 39.0 °F 31.4 °F 27.0 °F 62% 30.33 in 10.0 mi NW 12.7 mph - N/A   Partly Cloudy
10:52 PM 37.0 °F 28.5 °F 26.1 °F 65% 30.34 in 10.0 mi NW 13.8 mph - N/A   Clear
11:52 PM 35.1 °F 26.9 °F 26.1 °F 70% 30.35 in 10.0 mi NNW 11.5 mph - N/A   Clear