Weather Almanac for West Yellowstone, MT

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Monday, December 19, 2011

  Average Record
Temperature  
Mean Temperature -  
Max Temperature 13 °F 17 °F (1999)
Min Temperature 1 °F -23 °F (2006)
Moisture  
Dew Point    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation - - ()
Wind  
Wind Speed    
Max Wind Speed    
Max Gust Speed    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 19, 2011 Rise Set
Actual Time 7:57 AM MST 4:45 PM MST
Civil Twilight 7:23 AM MST 5:19 PM MST
Nautical Twilight 6:46 AM MST 5:56 PM MST
Astronomical Twilight 6:10 AM MST 6:32 PM MST
Moon 2:02 AM MST (12/19) 12:54 PM MST (12/19)
Length of Visible Light 9h 56m
Length of Day
8h 48m
Waning Crescent, 30% of the Moon is Illuminated
Dec 19
Waning Crescent
Dec 24
New
Dec 31
First Quarter
Jan 9
Full
Jan 16
Last Quarter