Weather Almanac for Rapid City WFO, SD

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Friday, May 11, 2012

  Average Record
Temperature  
Mean Temperature 54 °F  
Max Temperature 65 °F 92 °F (1940)
Min Temperature 44 °F 26 °F (2008)
Degree Days  
Heating Degree Days 11  
Month to date heating degree days   141  
Since 1 July heating degree days   6607  
Cooling Degree Days 0  
Month to date cooling degree days   0  
Year to date cooling degree days   1  
Moisture  
Dew Point    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation 0.12 in 2.92 in (1920)
Month to date precipitation   1.25  
Year to date precipitation   5.11  
Snow  
Snow 0.10 in - ()
Month to date snowfall   1.4  
Since 1 July snowfall   48.7  
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

May. 11, 2012 Rise Set
Actual Time 5:30 AM MDT 8:08 PM MDT
Civil Twilight 4:57 AM MDT 8:41 PM MDT
Nautical Twilight 4:16 AM MDT 9:23 PM MDT
Astronomical Twilight 3:28 AM MDT 10:11 PM MDT
Moon 12:47 AM MDT (5/11) 11:08 AM MDT (5/11)
Length of Visible Light 15h 44m
Length of Day
14h 38m
Waning Gibbous, 62% of the Moon is Illuminated
May 11
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

No daily or hourly history data available