Weather History for West Yellowstone, MT

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Saturday, December 15, 2012

  Actual Average Record
Temperature  
Mean Temperature 22 °F -  
Max Temperature 26 °F 23 °F 26 °F (2012)
Min Temperature 19 °F 1 °F 0 °F (2010)
Degree Days  
Heating Degree Days 42    
Moisture  
Dew Point -    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.70 in    
Wind  
Wind Speed 11 mph (SW)    
Max Wind Speed 18 mph    
Max Gust Speed 28 mph    
Visibility 5 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. 15, 2012 Rise Set
Actual Time 7:55 AM MST 4:44 PM MST
Civil Twilight 7:21 AM MST 5:18 PM MST
Nautical Twilight 6:44 AM MST 5:55 PM MST
Astronomical Twilight 6:09 AM MST 6:30 PM MST
Moon 9:45 AM MST (12/15) 7:58 PM MST (12/15)
Length of Visible Light 9h 56m
Length of Day
8h 49m
Waxing Crescent, 9% of the Moon is Illuminated
Dec 15
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 26.6 °F 18.2 °F - N/A% 29.67 in 3.0 mi SSW 8.1 mph - N/A   Overcast
12:25 AM 26.6 °F 16.2 °F - N/A% 29.68 in 8.0 mi SW 11.5 mph - N/A Rain Light Freezing Rain
12:45 AM 26.6 °F 16.8 °F - N/A% 29.68 in 4.0 mi SSW 10.4 mph 16.1 mph N/A Rain Light Freezing Rain
1:05 AM 26.6 °F 17.5 °F - N/A% 29.68 in 5.0 mi SSW 9.2 mph - N/A Rain Light Freezing Rain
1:25 AM 26.6 °F 18.2 °F - N/A% 29.68 in 5.0 mi SSW 8.1 mph - N/A Rain Light Freezing Rain
1:45 AM 26.6 °F 19.1 °F - N/A% 29.69 in 3.0 mi SW 6.9 mph - N/A Rain Light Freezing Rain
2:05 AM 24.8 °F 16.9 °F - N/A% 29.69 in 4.0 mi SSW 6.9 mph - N/A Rain Light Freezing Rain
2:25 AM 24.8 °F 14.6 °F - N/A% 29.69 in 5.0 mi SSW 10.4 mph 17.3 mph N/A Rain Light Freezing Rain
2:45 AM 24.8 °F 12.4 °F - N/A% 29.70 in 3.0 mi SSW 15.0 mph 19.6 mph N/A Rain Light Freezing Rain
3:05 AM 24.8 °F 15.3 °F - N/A% 29.70 in 4.0 mi SSW 9.2 mph - N/A Rain Light Freezing Rain
3:25 AM 24.8 °F 14.6 °F - N/A% 29.71 in 3.0 mi SSW 10.4 mph - N/A Rain Light Freezing Rain
3:45 AM 24.8 °F 14.6 °F - N/A% 29.71 in 5.0 mi SW 10.4 mph 17.3 mph N/A Rain Light Freezing Rain
4:05 AM 23.0 °F 11.1 °F - N/A% 29.70 in 9.0 mi SW 12.7 mph 16.1 mph N/A Rain Light Freezing Rain
4:25 AM 23.0 °F 11.1 °F - N/A% 29.70 in 9.0 mi SW 12.7 mph 19.6 mph N/A Rain Light Freezing Rain
4:45 AM 23.0 °F 10.1 °F - N/A% 29.71 in 10.0 mi SW 15.0 mph 24.2 mph N/A Rain Light Freezing Rain
5:05 AM 23.0 °F 9.6 °F - N/A% 29.71 in 5.0 mi SSW 16.1 mph 25.3 mph N/A Rain Light Freezing Rain
5:25 AM 23.0 °F 11.1 °F - N/A% 29.72 in 6.0 mi SW 12.7 mph - N/A Rain Light Freezing Rain
5:45 AM 23.0 °F 9.6 °F - N/A% 29.72 in 9.0 mi SSW 16.1 mph 23.0 mph N/A Rain Light Freezing Rain
6:05 AM 23.0 °F 10.6 °F - N/A% 29.73 in 10.0 mi SSW 13.8 mph - N/A Rain Light Freezing Rain
6:25 AM 23.0 °F 10.6 °F - N/A% 29.74 in 6.0 mi SSW 13.8 mph - N/A Rain Light Freezing Rain
7:05 AM 23.0 °F 11.1 °F - N/A% 29.74 in 8.0 mi SSW 12.7 mph - N/A Rain Light Freezing Rain
7:25 AM 21.2 °F 7.3 °F - N/A% 29.74 in 8.0 mi SSW 16.1 mph - N/A Rain Light Freezing Rain
7:45 AM 21.2 °F 9.5 °F - N/A% 29.74 in 8.0 mi SW 11.5 mph 17.3 mph N/A Rain Light Freezing Rain
8:05 AM 21.2 °F 10.1 °F - N/A% 29.74 in 7.0 mi SW 10.4 mph - N/A Rain Light Freezing Rain
8:25 AM 21.2 °F 10.1 °F - N/A% 29.74 in 4.0 mi SW 10.4 mph - N/A Rain Light Freezing Rain
8:45 AM 21.2 °F 13.6 °F - N/A% 29.74 in 3.0 mi SW 5.8 mph - N/A Snow Light Snow
9:05 AM 21.2 °F 12.6 °F - N/A% 29.73 in 2.5 mi SW 6.9 mph - N/A Snow Light Snow
9:25 AM 21.2 °F 10.1 °F - N/A% 29.74 in 2.0 mi SSW 10.4 mph 18.4 mph N/A Snow Light Snow
9:45 AM 23.0 °F 13.9 °F - N/A% 29.74 in 2.5 mi SW 8.1 mph - N/A Rain Light Freezing Rain
10:05 AM 23.0 °F 13.9 °F - N/A% 29.74 in 3.0 mi SSW 8.1 mph - N/A Rain Light Freezing Rain
10:25 AM 21.2 °F 10.1 °F - N/A% 29.74 in 2.5 mi SSW 10.4 mph 16.1 mph N/A Rain Light Freezing Rain
10:45 AM 23.0 °F 13.1 °F - N/A% 29.74 in 3.0 mi SW 9.2 mph 16.1 mph N/A Rain Light Freezing Rain
11:05 AM 23.0 °F 10.1 °F - N/A% 29.74 in 4.0 mi SSW 15.0 mph - N/A Rain Light Freezing Rain
11:25 AM 21.2 °F 8.9 °F - N/A% 29.73 in 4.0 mi SSW 12.7 mph 19.6 mph N/A Rain Light Freezing Rain
11:45 AM 21.2 °F 9.5 °F - N/A% 29.72 in 5.0 mi SW 11.5 mph 20.7 mph N/A Rain Light Freezing Rain
12:05 PM 23.0 °F 13.9 °F - N/A% 29.71 in 7.0 mi SSW 8.1 mph 17.3 mph N/A Rain Light Freezing Rain
12:25 PM 23.0 °F 11.1 °F - N/A% 29.71 in 5.0 mi SW 12.7 mph 17.3 mph N/A Rain Light Freezing Rain
12:45 PM 23.0 °F 11.1 °F - N/A% 29.71 in 5.0 mi SW 12.7 mph 23.0 mph N/A Rain Light Freezing Rain
1:05 PM 21.2 °F 8.9 °F - N/A% 29.71 in 6.0 mi SSW 12.7 mph 23.0 mph N/A Rain Light Freezing Rain
1:25 PM 19.4 °F 4.1 °F - N/A% 29.71 in 7.0 mi SSW 18.4 mph 24.2 mph N/A Rain Light Freezing Rain
1:45 PM 19.4 °F 5.5 °F - N/A% 29.71 in 5.0 mi SSW 15.0 mph 23.0 mph N/A Rain Light Freezing Rain
2:05 PM 19.4 °F 7.9 °F - N/A% 29.71 in 3.0 mi SSW 10.4 mph 16.1 mph N/A Snow Light Snow
2:25 PM 19.4 °F 7.9 °F - N/A% 29.71 in 4.0 mi SW 10.4 mph 17.3 mph N/A Rain Light Freezing Rain
3:05 PM 21.2 °F 9.5 °F - N/A% 29.71 in 8.0 mi SW 11.5 mph 18.4 mph N/A Rain Light Freezing Rain
3:25 PM 21.2 °F 10.9 °F - N/A% 29.71 in 5.0 mi SSW 9.2 mph - N/A Rain Light Freezing Rain
3:45 PM 19.4 °F 7.9 °F - N/A% 29.71 in 4.0 mi SSW 10.4 mph - N/A Snow Light Snow
4:05 PM 19.4 °F 8.6 °F - N/A% 29.71 in 4.0 mi SW 9.2 mph - N/A Rain Light Freezing Rain
4:25 PM 19.4 °F 9.5 °F - N/A% 29.71 in 4.0 mi SSW 8.1 mph - N/A Rain Light Freezing Rain
4:45 PM 19.4 °F 8.6 °F - N/A% 29.71 in 3.0 mi SW 9.2 mph - N/A Snow Light Snow
5:05 PM 19.4 °F 6.6 °F - N/A% 29.70 in 4.0 mi SW 12.7 mph - N/A Rain Light Freezing Rain
5:25 PM 19.4 °F 7.2 °F - N/A% 29.70 in 3.0 mi SSW 11.5 mph 17.3 mph N/A Snow Light Snow
5:45 PM 19.4 °F 7.9 °F - N/A% 29.70 in 8.0 mi SW 10.4 mph 16.1 mph N/A Rain Light Freezing Rain
6:05 PM 19.4 °F 7.2 °F - N/A% 29.69 in 8.0 mi SSW 11.5 mph 19.6 mph N/A Rain Light Freezing Rain
6:25 PM 19.4 °F 4.5 °F - N/A% 29.69 in 3.0 mi SSW 17.3 mph 21.9 mph N/A Rain Light Freezing Rain
6:45 PM 19.4 °F 7.2 °F - N/A% 29.69 in 5.0 mi SSW 11.5 mph 19.6 mph N/A Rain Light Freezing Rain
7:05 PM 19.4 °F 5.0 °F - N/A% 29.69 in 3.0 mi SSW 16.1 mph 21.9 mph N/A Rain Light Freezing Rain
7:25 PM 19.4 °F 6.6 °F - N/A% 29.69 in 1.2 mi SSW 12.7 mph 18.4 mph N/A Rain Light Freezing Rain
7:45 PM 19.4 °F 7.9 °F - N/A% 29.68 in 1.5 mi SW 10.4 mph 19.6 mph N/A Rain Light Freezing Rain
8:05 PM 19.4 °F 6.0 °F - N/A% 29.68 in 2.0 mi SSW 13.8 mph 18.4 mph N/A Rain Light Freezing Rain
8:25 PM 19.4 °F 6.6 °F - N/A% 29.68 in 2.5 mi SSW 12.7 mph 21.9 mph N/A Snow Light Snow
8:45 PM 19.4 °F 6.0 °F - N/A% 29.67 in 5.0 mi SSW 13.8 mph 27.6 mph N/A Rain Light Freezing Rain
9:05 PM 19.4 °F 8.6 °F - N/A% 29.67 in 9.0 mi SW 9.2 mph - N/A Rain Light Freezing Rain
9:25 PM 19.4 °F 7.2 °F - N/A% 29.67 in 5.0 mi SSW 11.5 mph 19.6 mph N/A Rain Light Freezing Rain
9:45 PM 19.4 °F 5.5 °F - N/A% 29.67 in 2.5 mi SSW 15.0 mph 25.3 mph N/A Rain Light Freezing Rain
10:05 PM 19.4 °F 7.9 °F - N/A% 29.67 in 3.0 mi SSW 10.4 mph 23.0 mph N/A Rain Light Freezing Rain
10:25 PM 19.4 °F 4.5 °F - N/A% 29.67 in 1.8 mi SSW 17.3 mph 20.7 mph N/A Snow Light Snow
10:45 PM 19.4 °F 7.9 °F - N/A% 29.67 in 2.0 mi SW 10.4 mph - N/A Rain Light Freezing Rain
11:05 PM 19.4 °F 7.9 °F - N/A% 29.66 in 1.8 mi SW 10.4 mph 19.6 mph N/A Snow Light Snow
11:45 PM 19.4 °F 7.2 °F - N/A% 29.66 in 1.5 mi SW 11.5 mph 17.3 mph N/A Snow Light Snow