Weather History for West Yellowstone, MT

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Sunday, December 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 2 °F -  
Max Temperature 15 °F 23 °F 28 °F (2010)
Min Temperature -11 °F 2 °F -11 °F (2012)
Degree Days  
Heating Degree Days 63    
Moisture  
Dew Point -    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 3 mph (SW)    
Max Wind Speed 18 mph    
Max Gust Speed 28 mph    
Visibility 8 miles    
Events 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. 09, 2012 Rise Set
Actual Time 7:50 AM MST 4:43 PM MST
Civil Twilight 7:16 AM MST 5:17 PM MST
Nautical Twilight 6:40 AM MST 5:54 PM MST
Astronomical Twilight 6:04 AM MST 6:29 PM MST
Moon 3:19 AM MST (12/9) 1:59 PM MST (12/9)
Length of Visible Light 10h 00m
Length of Day
8h 53m
Waning Crescent, 18% of the Moon is Illuminated
Dec 9
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 5.0 °F -2.1 °F - N/A% 29.99 in 4.0 mi SSW 3.5 mph - N/A Snow Light Snow
12:25 AM 5.0 °F - - N/A% 29.99 in 2.0 mi Calm Calm - N/A Snow Light Snow
12:45 AM 6.8 °F - - N/A% 29.99 in 3.0 mi Calm Calm - N/A Snow Light Snow
1:05 AM 6.8 °F - - N/A% 30.00 in 2.0 mi Calm Calm - N/A Snow Light Snow
1:25 AM 6.8 °F - - N/A% 30.00 in 2.5 mi Calm Calm - N/A Snow Light Snow
1:45 AM 6.8 °F - - N/A% 30.00 in 2.5 mi Calm Calm - N/A Snow Light Snow
2:05 AM 6.8 °F -0.1 °F - N/A% 30.01 in 3.0 mi SSW 3.5 mph - N/A Snow Light Snow
2:25 AM 6.8 °F - - N/A% 30.02 in 2.5 mi Calm Calm - N/A Snow Light Snow
2:45 AM 6.8 °F - - N/A% 30.02 in 1.5 mi Calm Calm - N/A Snow Light Snow
3:05 AM 6.8 °F - - N/A% 30.03 in 2.5 mi Calm Calm - N/A Snow Light Snow
3:25 AM 6.8 °F - - N/A% 30.03 in 3.0 mi Calm Calm - N/A Snow Light Snow
3:45 AM 6.8 °F -0.1 °F - N/A% 30.03 in 1.8 mi SSW 3.5 mph - N/A Snow Light Snow
4:05 AM 5.0 °F - - N/A% 30.03 in 1.2 mi Calm Calm - N/A Snow Light Snow
4:20 AM 5.0 °F - - N/A% 30.04 in 1.8 mi Calm Calm - N/A Snow Light Snow
4:45 AM 5.0 °F - - N/A% 30.05 in 2.5 mi Calm Calm - N/A Snow Light Snow
5:05 AM 5.0 °F - - N/A% 30.05 in 2.5 mi Calm Calm - N/A Snow Light Snow
5:25 AM 1.4 °F - - N/A% 30.06 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:45 AM -0.4 °F - - N/A% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:05 AM -2.2 °F - - N/A% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
6:25 AM -4.0 °F - - N/A% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
6:45 AM -4.0 °F - - N/A% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:05 AM -7.6 °F - - N/A% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
7:25 AM -9.4 °F - - N/A% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:45 AM -9.4 °F - - N/A% 30.12 in 10.0 mi Calm Calm - N/A   Clear
8:05 AM -11.2 °F - - N/A% 30.13 in 10.0 mi Calm Calm - N/A   Clear
8:25 AM -11.2 °F - - N/A% 30.13 in 10.0 mi Calm Calm - N/A   Clear
8:45 AM -9.4 °F - - N/A% 30.14 in 10.0 mi Calm Calm - N/A   Clear
9:05 AM -4.0 °F -12.4 °F - N/A% 30.15 in 10.0 mi South 3.5 mph - N/A   Clear
9:25 AM -0.4 °F - - N/A% 30.16 in 10.0 mi Calm Calm - N/A   Clear
9:45 AM 1.4 °F - - N/A% 30.16 in 10.0 mi Calm Calm - N/A   Clear
10:05 AM 1.4 °F - - N/A% 30.16 in 10.0 mi Calm Calm - N/A   Clear
10:25 AM 6.8 °F - - N/A% 30.17 in 10.0 mi Calm Calm - N/A   Clear
10:45 AM 6.8 °F - - N/A% 30.17 in 10.0 mi Calm Calm - N/A   Clear
11:05 AM 8.6 °F - - N/A% 30.16 in 10.0 mi Calm Calm - N/A   Clear
11:25 AM 6.8 °F - - N/A% 30.14 in 10.0 mi Calm Calm - N/A   Clear
11:40 AM 10.4 °F - - N/A% 30.13 in 10.0 mi Calm Calm - N/A   Clear
12:00 PM 10.4 °F - - N/A% 30.13 in 10.0 mi Calm Calm - N/A   Clear
12:25 PM 10.4 °F - - N/A% 30.12 in 10.0 mi Calm Calm - N/A   Clear
12:45 PM 12.2 °F - - N/A% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:05 PM 15.8 °F 4.2 °F - N/A% 30.10 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
1:25 PM 14.0 °F 2.0 °F - N/A% 30.10 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
1:45 PM 14.0 °F 2.0 °F - N/A% 30.10 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
2:05 PM 14.0 °F 5.1 °F - N/A% 30.09 in 10.0 mi WSW 5.8 mph - N/A   Clear
2:25 PM 14.0 °F 5.1 °F - N/A% 30.09 in 10.0 mi WSW 5.8 mph - N/A   Clear
2:45 PM 15.8 °F 5.1 °F - N/A% 30.09 in 10.0 mi WSW 8.1 mph - N/A   Clear
3:05 PM 14.0 °F 2.9 °F - N/A% 30.10 in 10.0 mi SW 8.1 mph 18.4 mph N/A   Clear
3:25 PM 15.8 °F 5.1 °F - N/A% 30.09 in 10.0 mi WSW 8.1 mph - N/A   Clear
3:45 PM 14.0 °F 2.9 °F - N/A% 30.09 in 10.0 mi WSW 8.1 mph - N/A   Clear
4:05 PM 14.0 °F 6.5 °F - N/A% 30.09 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
4:25 PM 14.0 °F 5.1 °F - N/A% 30.09 in 10.0 mi WSW 5.8 mph - N/A   Overcast
4:45 PM 14.0 °F 2.0 °F - N/A% 30.08 in 10.0 mi SW 9.2 mph - N/A   Overcast
5:05 PM 14.0 °F 2.0 °F - N/A% 30.07 in 10.0 mi WSW 9.2 mph - N/A   Overcast
5:25 PM 14.0 °F 2.0 °F - N/A% 30.08 in 10.0 mi SW 9.2 mph - N/A   Overcast
5:45 PM 14.0 °F -0.2 °F - N/A% 30.08 in 10.0 mi SW 12.7 mph 19.6 mph N/A   Overcast
6:05 PM 14.0 °F -0.8 °F - N/A% 30.08 in 10.0 mi SSW 13.8 mph 20.7 mph N/A   Overcast
6:25 PM 14.0 °F 0.5 °F - N/A% 30.07 in 10.0 mi SW 11.5 mph 18.4 mph N/A   Overcast
6:45 PM 14.0 °F -0.2 °F - N/A% 30.07 in 10.0 mi SW 12.7 mph 23.0 mph N/A   Overcast
7:05 PM 14.0 °F -1.4 °F - N/A% 30.06 in 10.0 mi SW 15.0 mph 18.4 mph N/A   Overcast
7:25 PM 14.0 °F -0.8 °F - N/A% 30.07 in 10.0 mi SW 13.8 mph 25.3 mph N/A   Overcast
7:45 PM 14.0 °F -0.2 °F - N/A% 30.07 in 10.0 mi SW 12.7 mph 21.9 mph N/A   Overcast
8:05 PM 14.0 °F -3.0 °F - N/A% 30.06 in 10.0 mi SW 18.4 mph 24.2 mph N/A   Overcast
8:25 PM 14.0 °F 0.5 °F - N/A% 30.07 in 10.0 mi WSW 11.5 mph 23.0 mph N/A   Overcast
8:40 PM 14.0 °F 0.5 °F - N/A% 30.07 in 10.0 mi SW 11.5 mph 23.0 mph N/A   Overcast
9:05 PM 14.0 °F -1.4 °F - N/A% 30.06 in 10.0 mi SW 15.0 mph 20.7 mph N/A   Overcast
9:25 PM 14.0 °F 1.2 °F - N/A% 30.07 in 10.0 mi SW 10.4 mph 17.3 mph N/A   Overcast
9:45 PM 14.0 °F -2.5 °F - N/A% 30.07 in 8.0 mi SW 17.3 mph 24.2 mph N/A Snow Light Snow
10:00 PM 14.0 °F 0.5 °F - N/A% 30.06 in 8.0 mi WSW 11.5 mph 20.7 mph N/A Snow Light Snow
10:25 PM 14.0 °F -2.0 °F - N/A% 30.05 in 4.0 mi SW 16.1 mph 23.0 mph N/A Snow Light Snow
10:45 PM 14.0 °F -1.4 °F - N/A% 30.04 in 4.0 mi SW 15.0 mph 19.6 mph N/A Snow Light Snow
11:05 PM 14.0 °F -1.4 °F - N/A% 30.03 in 2.5 mi WSW 15.0 mph 20.7 mph N/A Snow Light Snow
11:25 PM 14.0 °F 2.0 °F - N/A% 30.03 in 5.0 mi SW 9.2 mph 16.1 mph N/A Snow Light Snow
11:45 PM 14.0 °F -0.2 °F - N/A% 30.01 in 2.0 mi SW 12.7 mph 27.6 mph N/A Snow Light Snow