Weather History for West Yellowstone, MT

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Wednesday, November 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 32 °F -  
Max Temperature 39 °F 29 °F 39 °F (2012)
Min Temperature 24 °F 8 °F 15 °F (2010)
Degree Days  
Heating Degree Days 34    
Moisture  
Dew Point -    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 9 mph (SW)    
Max Wind Speed 33 mph    
Max Gust Speed 45 mph    
Visibility 9 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

Nov. 21, 2012 Rise Set
Actual Time 7:29 AM MST 4:50 PM MST
Civil Twilight 6:57 AM MST 5:22 PM MST
Nautical Twilight 6:21 AM MST 5:58 PM MST
Astronomical Twilight 5:47 AM MST 6:33 PM MST
Moon 1:22 PM MST 12:37 AM MST
Length of Visible Light 10h 25m
Length of Day
9h 20m
Waxing Gibbous, 62% of the Moon is Illuminated
Nov 21
Waxing Gibbous
Nov 28
Full
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:10 AM 32.0 °F 28.7 °F - N/A% 30.01 in 10.0 mi SSW 3.5 mph - N/A   Overcast
12:30 AM 32.0 °F - - N/A% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
12:50 AM 32.0 °F 26.4 °F - N/A% 30.00 in 10.0 mi SE 5.8 mph - N/A   Overcast
1:10 AM 32.0 °F 28.7 °F - N/A% 29.99 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
1:30 AM 32.0 °F - - N/A% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:50 AM 35.6 °F 32.8 °F - N/A% 29.97 in 10.0 mi SSE 3.5 mph - N/A   Overcast
2:10 AM 32.0 °F 27.5 °F - N/A% 29.96 in 10.0 mi South 4.6 mph - N/A   Overcast
2:30 AM 33.8 °F 25.3 °F - N/A% 29.95 in 10.0 mi SSW 11.5 mph - N/A   Overcast
2:50 AM 35.6 °F 27.5 °F - N/A% 29.95 in 10.0 mi SW 11.5 mph - N/A   Overcast
3:10 AM 37.4 °F 30.3 °F - N/A% 29.94 in 10.0 mi SW 10.4 mph - N/A   Overcast
3:30 AM 37.4 °F 31.4 °F - N/A% 29.93 in 10.0 mi SW 8.1 mph - N/A   Overcast
3:50 AM 35.6 °F 29.9 °F - N/A% 29.93 in 10.0 mi SW 6.9 mph - N/A   Overcast
4:10 AM 35.6 °F 29.9 °F - N/A% 29.92 in 10.0 mi SW 6.9 mph - N/A   Overcast
4:30 AM 35.6 °F 29.9 °F - N/A% 29.92 in 10.0 mi WSW 6.9 mph - N/A   Overcast
4:50 AM 35.6 °F 30.7 °F - N/A% 29.91 in 10.0 mi WSW 5.8 mph - N/A   Overcast
5:10 AM 35.6 °F 29.9 °F - N/A% 29.92 in 10.0 mi SW 6.9 mph - N/A   Overcast
5:30 AM 37.4 °F 32.1 °F - N/A% 29.92 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
5:50 AM 35.6 °F 29.9 °F - N/A% 29.92 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
6:10 AM 35.6 °F 29.9 °F - N/A% 29.92 in 10.0 mi SW 6.9 mph - N/A Rain Light Rain
6:30 AM 35.6 °F 29.2 °F - N/A% 29.92 in 3.0 mi SW 8.1 mph 17.3 mph N/A Snow Light Snow
6:50 AM 33.8 °F 25.8 °F - N/A% 29.91 in 8.0 mi SSW 10.4 mph - N/A Rain Light Rain
7:10 AM 33.8 °F 25.8 °F - N/A% 29.91 in 5.0 mi South 10.4 mph - N/A   Scattered Clouds
7:30 AM 33.8 °F 25.3 °F - N/A% 29.90 in 5.0 mi South 11.5 mph - N/A Rain Light Rain
7:50 AM 33.8 °F 25.8 °F - N/A% 29.91 in 4.0 mi South 10.4 mph - N/A Snow Light Snow
8:10 AM 33.8 °F 26.4 °F - N/A% 29.90 in 6.0 mi SSW 9.2 mph - N/A Rain Light Rain
8:30 AM 35.6 °F 31.7 °F - N/A% 29.89 in 10.0 mi South 4.6 mph - N/A Rain Light Rain
8:50 AM 35.6 °F 31.7 °F - N/A% 29.90 in 10.0 mi West 4.6 mph - N/A   Overcast
9:10 AM 35.6 °F 31.7 °F - N/A% 29.89 in 10.0 mi WSW 4.6 mph - N/A   Overcast
9:30 AM 35.6 °F 29.2 °F - N/A% 29.90 in 10.0 mi WSW 8.1 mph - N/A   Overcast
9:50 AM 35.6 °F 28.0 °F - N/A% 29.89 in 10.0 mi WSW 10.4 mph - N/A   Overcast
10:10 AM 35.6 °F 28.0 °F - N/A% 29.89 in 9.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
10:30 AM 35.6 °F 30.7 °F - N/A% 29.89 in 3.0 mi WSW 5.8 mph - N/A Snow Light Snow
10:50 AM 35.6 °F 28.6 °F - N/A% 29.89 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
11:10 AM 37.4 °F 30.3 °F - N/A% 29.88 in 10.0 mi SW 10.4 mph - N/A   Overcast
11:30 AM 37.4 °F 29.3 °F - N/A% 29.87 in 10.0 mi SSW 12.7 mph 20.7 mph N/A   Overcast
11:50 AM 37.4 °F 26.9 °F - N/A% 29.85 in 10.0 mi SW 20.7 mph 33.4 mph N/A   Overcast
12:10 PM 39.2 °F 30.5 °F - N/A% 29.85 in 10.0 mi SW 16.1 mph 29.9 mph N/A   Overcast
12:30 PM 39.2 °F 30.8 °F - N/A% 29.84 in 10.0 mi SSW 15.0 mph 32.2 mph N/A   Overcast
12:50 PM 39.2 °F 30.2 °F - N/A% 29.83 in 10.0 mi SSW 17.3 mph 26.5 mph N/A   Overcast
1:10 PM 39.2 °F 29.6 °F - N/A% 29.82 in 10.0 mi SW 19.6 mph 31.1 mph N/A   Overcast
1:30 PM 39.2 °F 29.3 °F - N/A% 29.83 in 10.0 mi SW 20.7 mph 26.5 mph N/A   Overcast
1:50 PM 39.2 °F 27.8 °F - N/A% 29.80 in 10.0 mi SSW 27.6 mph 38.0 mph N/A   Overcast
2:10 PM 39.2 °F 29.6 °F - N/A% 29.80 in 10.0 mi SW 19.6 mph 34.5 mph N/A   Mostly Cloudy
2:30 PM 39.2 °F 28.7 °F - N/A% 29.80 in 10.0 mi SSW 23.0 mph 40.3 mph N/A   Mostly Cloudy
2:50 PM 39.2 °F 26.8 °F - N/A% 29.79 in 10.0 mi SSW 33.4 mph 44.9 mph N/A   Mostly Cloudy
3:10 PM 37.4 °F 25.0 °F - N/A% 29.80 in 10.0 mi SSW 29.9 mph 36.8 mph N/A   Mostly Cloudy
3:30 PM 37.4 °F 26.6 °F - N/A% 29.81 in 10.0 mi SW 21.9 mph 34.5 mph N/A   Overcast
3:50 PM 37.4 °F 25.6 °F - N/A% 29.82 in 10.0 mi SSW 26.5 mph 35.7 mph N/A   Overcast
4:10 PM 37.4 °F 26.6 °F - N/A% 29.84 in 10.0 mi SW 21.9 mph 29.9 mph N/A   Overcast
4:30 PM 37.4 °F 27.8 °F - N/A% 29.85 in 10.0 mi SW 17.3 mph 25.3 mph N/A   Overcast
4:50 PM 37.4 °F 28.2 °F - N/A% 29.85 in 10.0 mi SW 16.1 mph 31.1 mph N/A Rain Light Rain
5:10 PM 35.6 °F 27.5 °F - N/A% 29.85 in 5.0 mi SW 11.5 mph 24.2 mph N/A Rain Light Rain
5:30 PM 35.6 °F 26.2 °F - N/A% 29.85 in 10.0 mi SW 15.0 mph 24.2 mph N/A   Mostly Cloudy
5:50 PM 35.6 °F 29.9 °F - N/A% 29.86 in 10.0 mi WSW 6.9 mph - N/A   Overcast
6:10 PM 33.8 °F 22.5 °F - N/A% 29.87 in 4.0 mi SW 19.6 mph 24.2 mph N/A Snow Light Snow
6:30 PM 32.0 °F 23.0 °F - N/A% 29.87 in 9.0 mi WSW 11.5 mph 19.6 mph N/A Snow Light Snow
6:50 PM 33.8 °F 23.5 °F - N/A% 29.88 in 7.0 mi SW 16.1 mph 31.1 mph N/A Snow Light Snow
7:10 PM 33.8 °F 23.9 °F - N/A% 29.87 in 5.0 mi SW 15.0 mph 24.2 mph N/A Rain Light Rain
7:30 PM 32.0 °F 22.1 °F - N/A% 29.89 in 1.2 mi WSW 13.8 mph 27.6 mph N/A Snow Light Snow
7:50 PM 30.2 °F 24.3 °F - N/A% 29.92 in 0.5 mi NW 5.8 mph 17.3 mph N/A Snow Snow
8:10 PM 28.4 °F 21.2 °F - N/A% 29.93 in 2.5 mi NW 6.9 mph - N/A Snow Light Snow
8:30 PM 28.4 °F 22.2 °F - N/A% 29.94 in 6.0 mi WNW 5.8 mph 16.1 mph N/A Snow Light Snow
8:50 PM 28.4 °F 24.6 °F - N/A% 29.95 in 2.0 mi West 3.5 mph - N/A Snow Light Snow
9:10 PM 28.4 °F - - N/A% 29.95 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:30 PM 26.6 °F 22.6 °F - N/A% 29.95 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
9:50 PM 26.6 °F 21.2 °F - N/A% 29.96 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
10:10 PM 26.6 °F 20.0 °F - N/A% 29.98 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
10:30 PM 26.6 °F 20.0 °F - N/A% 30.00 in 10.0 mi NW 5.8 mph - N/A   Scattered Clouds
10:50 PM 24.8 °F 20.5 °F - N/A% 30.01 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
11:10 PM 24.8 °F 20.5 °F - N/A% 30.03 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
11:30 PM 24.8 °F 16.9 °F - N/A% 30.04 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
11:50 PM 24.8 °F 17.9 °F - N/A% 30.04 in 10.0 mi West 5.8 mph - N/A   Clear