Weather Almanac for Rapid City WFO, SD

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Tuesday, April 30, 2013

  Average Record
Mean Temperature 50 °F  
Max Temperature 61 °F 89 °F (1901)
Min Temperature 40 °F 13 °F (1950)
Degree Days  
Heating Degree Days 15  
Month to date heating degree days   604  
Since 1 July heating degree days   6466  
Cooling Degree Days 0  
Month to date cooling degree days   1  
Year to date cooling degree days   1  
Dew Point    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation 0.10 in 1.24 in (1895)
Month to date precipitation   2.10  
Year to date precipitation   3.86  
Snow 0.20 in - ()
Month to date snowfall   8.8  
Since 1 July snowfall   47.3  
Snow Depth    
Wind Speed    
Max Wind Speed    
Max Gust Speed    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Apr. 30, 2013 Rise Set
Actual Time 5:45 AM MDT 7:55 PM MDT
Civil Twilight 5:13 AM MDT 8:27 PM MDT
Nautical Twilight 4:34 AM MDT 9:06 PM MDT
Astronomical Twilight 3:51 AM MDT 9:49 PM MDT
Moon 12:22 AM MDT (4/30) 10:14 AM MDT (4/30)
Length of Visible Light 15h 13m
Length of Day
14h 10m
Waning Gibbous, 69% of the Moon is Illuminated
Apr 30
Waning Gibbous
May 2
Last Quarter
May 9
May 17
First Quarter
May 24