Weather History for West Yellowstone, MT

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Wednesday, December 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 27 °F -  
Max Temperature 28 °F 22 °F 32 °F (2010)
Min Temperature 26 °F 3 °F -11 °F (2011)
Degree Days  
Heating Degree Days 38    
Moisture  
Dew Point -    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.59 in    
Wind  
Wind Speed 7 mph (SW)    
Max Wind Speed 20 mph    
Max Gust Speed 26 mph    
Visibility 2 miles    
Events Rain , Snow    
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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Date:

Astronomy

Dec. 12, 2012 Rise Set
Actual Time 7:52 AM MST 4:44 PM MST
Civil Twilight 7:19 AM MST 5:17 PM MST
Nautical Twilight 6:42 AM MST 5:54 PM MST
Astronomical Twilight 6:06 AM MST 6:30 PM MST
Moon 7:00 AM MST (12/12) 4:25 PM MST (12/12)
Length of Visible Light 9h 58m
Length of Day
8h 51m
Waning Crescent, 0% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:05 AM 28.4 °F 24.6 °F - N/A% 29.62 in 3.0 mi SSE 3.5 mph - N/A Snow Light Snow
12:25 AM 28.4 °F - - N/A% 29.62 in 3.0 mi Calm Calm - N/A Snow Light Snow
12:45 AM 28.4 °F 24.6 °F - N/A% 29.61 in 3.0 mi WSW 3.5 mph - N/A Snow Light Snow
1:05 AM 28.4 °F 18.0 °F - N/A% 29.60 in 1.8 mi SSW 12.7 mph - N/A Snow Light Snow
1:25 AM 26.6 °F 17.5 °F - N/A% 29.60 in 0.8 mi SSW 9.2 mph - N/A Snow Light Snow
1:45 AM 28.4 °F 20.4 °F - N/A% 29.59 in 0.8 mi SW 8.1 mph - N/A Snow Light Snow
2:05 AM 28.4 °F 20.4 °F - N/A% 29.59 in 1.5 mi WSW 8.1 mph - N/A Snow Light Snow
2:25 AM 28.4 °F 18.5 °F - N/A% 29.59 in 1.5 mi WSW 11.5 mph 17.3 mph N/A Snow Light Snow
2:45 AM 28.4 °F 20.4 °F - N/A% 29.59 in 1.0 mi SW 8.1 mph - N/A Snow Light Snow
3:05 AM 28.4 °F 23.3 °F - N/A% 29.58 in 0.8 mi SSW 4.6 mph - N/A Snow Light Snow
3:25 AM 28.4 °F 19.1 °F - N/A% 29.58 in 1.5 mi SSW 10.4 mph 16.1 mph N/A Snow Light Snow
3:45 AM 28.4 °F 17.5 °F - N/A% 29.58 in 1.0 mi SSW 13.8 mph 18.4 mph N/A Snow Light Snow
4:05 AM 28.4 °F 15.4 °F - N/A% 29.57 in 0.8 mi SSW 19.6 mph 26.5 mph N/A Rain Light Freezing Rain
4:25 AM 28.4 °F 16.2 °F - N/A% 29.57 in 1.8 mi SSW 17.3 mph 26.5 mph N/A Rain Light Freezing Rain