Weather Almanac for Rapid City WFO, SD

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Thursday, April 18, 2013

  Average Record
Temperature  
Mean Temperature 46 °F  
Max Temperature 57 °F 84 °F (1923)
Min Temperature 35 °F 16 °F (1953)
Degree Days  
Heating Degree Days 19  
Month to date heating degree days   401  
Since 1 July heating degree days   6263  
Cooling Degree Days 0  
Month to date cooling degree days   0  
Year to date cooling degree days   0  
Moisture  
Dew Point    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation 0.08 in 1.90 in (1903)
Month to date precipitation   1.07  
Year to date precipitation   2.83  
Snow  
Snow 0.30 in - ()
Month to date snowfall   6.2  
Since 1 July snowfall   44.7  
Snow Depth    
Wind  
Wind Speed    
Max Wind Speed    
Max Gust Speed    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 18, 2013 Rise Set
Actual Time 6:03 AM MDT 7:40 PM MDT
Civil Twilight 5:33 AM MDT 8:11 PM MDT
Nautical Twilight 4:56 AM MDT 8:48 PM MDT
Astronomical Twilight 4:17 AM MDT 9:28 PM MDT
Moon 12:15 PM MDT (4/18) 1:59 AM MDT (4/18)
Length of Visible Light 14h 37m
Length of Day
13h 36m
First Quarter, 52% of the Moon is Illuminated
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
First Quarter

No daily or hourly history data available