Weather History for West Yellowstone, MT

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Saturday, December 29, 2012

  Actual Average Record
Temperature  
Mean Temperature 8 °F -  
Max Temperature 17 °F 17 °F 35 °F (2011)
Min Temperature 0 °F -6 °F 0 °F (2012)
Degree Days  
Heating Degree Days 56    
Moisture  
Dew Point -    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 1 mph (SE)    
Max Wind Speed 5 mph    
Max Gust Speed -    
Visibility 10 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. 29, 2012 Rise Set
Actual Time 8:01 AM MST 4:52 PM MST
Civil Twilight 7:27 AM MST 5:25 PM MST
Nautical Twilight 6:50 AM MST 6:02 PM MST
Astronomical Twilight 6:15 AM MST 6:38 PM MST
Moon 6:33 PM MST (12/29) 8:33 AM MST (12/29)
Length of Visible Light 9h 58m
Length of Day
8h 51m
Full, 98% of the Moon is Illuminated
Dec 29
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 10.4 °F - - N/A% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
12:25 AM 10.4 °F - - N/A% 30.11 in 10.0 mi Calm Calm - N/A Snow Light Snow
12:45 AM 12.2 °F - - N/A% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
1:05 AM 12.2 °F - - N/A% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
1:25 AM 14.0 °F 8.2 °F - N/A% 30.11 in 10.0 mi SSE 3.5 mph - N/A Snow Light Snow
1:45 AM 14.0 °F - - N/A% 30.11 in 10.0 mi Calm Calm - N/A Snow Light Snow
2:05 AM 14.0 °F 8.2 °F - N/A% 30.11 in 10.0 mi South 3.5 mph - N/A Snow Light Snow
2:25 AM 14.0 °F 8.2 °F - N/A% 30.12 in 10.0 mi South 3.5 mph - N/A   Overcast
2:45 AM 14.0 °F - - N/A% 30.12 in 9.0 mi Calm Calm - N/A Snow Light Snow
3:05 AM 14.0 °F 8.2 °F - N/A% 30.12 in 8.0 mi SSE 3.5 mph - N/A Snow Light Snow
3:25 AM 14.0 °F 6.5 °F - N/A% 30.12 in 10.0 mi South 4.6 mph - N/A   Overcast
3:45 AM 14.0 °F 8.2 °F - N/A% 30.12 in 10.0 mi South 3.5 mph - N/A Snow Light Snow
4:05 AM 14.0 °F - - N/A% 30.11 in 10.0 mi Calm Calm - N/A Snow Light Snow
4:25 AM 14.0 °F - - N/A% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
4:45 AM 14.0 °F - - N/A% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
5:05 AM 12.2 °F - - N/A% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
5:25 AM 12.2 °F - - N/A% 30.10 in 10.0 mi Calm Calm - N/A Snow Light Snow
5:45 AM 12.2 °F - - N/A% 30.10 in 10.0 mi Calm Calm - N/A Snow Light Snow
6:05 AM 12.2 °F - - N/A% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
6:25 AM 12.2 °F - - N/A% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
6:45 AM 10.4 °F - - N/A% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
7:05 AM 10.4 °F - - N/A% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
7:25 AM 8.6 °F - - N/A% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
7:45 AM 8.6 °F - - N/A% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:05 AM 8.6 °F - - N/A% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:25 AM 8.6 °F - - N/A% 30.09 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:45 AM 6.8 °F - - N/A% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:05 AM 6.8 °F - - N/A% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
9:25 AM 6.8 °F - - N/A% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:45 AM 10.4 °F - - N/A% 30.08 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:05 AM 10.4 °F - - N/A% 30.08 in 10.0 mi Calm Calm - N/A   Clear
10:25 AM 12.2 °F - - N/A% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:45 AM 14.0 °F - - N/A% 30.08 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:05 AM 14.0 °F - - N/A% 30.06 in 10.0 mi Calm Calm - N/A   Clear
11:45 AM 14.0 °F - - N/A% 30.04 in 10.0 mi Calm Calm - N/A   Clear
12:05 PM 15.8 °F - - N/A% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:25 PM 15.8 °F - - N/A% 30.01 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:45 PM 15.8 °F - - N/A% 30.00 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:05 PM 17.6 °F - - N/A% 29.99 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:25 PM 15.8 °F - - N/A% 29.98 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:45 PM 15.8 °F - - N/A% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:05 PM 17.6 °F - - N/A% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:25 PM 17.6 °F 10.7 °F - N/A% 29.95 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
2:45 PM 17.6 °F 12.3 °F - N/A% 29.95 in 10.0 mi NNE 3.5 mph - N/A   Overcast
3:05 PM 17.6 °F 12.3 °F - N/A% 29.95 in 10.0 mi NNE 3.5 mph - N/A   Overcast
3:25 PM 17.6 °F 12.3 °F - N/A% 29.95 in 10.0 mi NNW 3.5 mph - N/A   Overcast
4:05 PM 17.6 °F - - N/A% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
4:25 PM 17.6 °F - - N/A% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
4:45 PM 15.8 °F - - N/A% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
5:05 PM 14.0 °F - - N/A% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
5:25 PM 14.0 °F - - N/A% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
5:45 PM 12.2 °F - - N/A% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
6:05 PM 8.6 °F - - N/A% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
6:25 PM 6.8 °F - - N/A% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
6:45 PM 6.8 °F - - N/A% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
7:05 PM 5.0 °F - - N/A% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
7:45 PM 5.0 °F - - N/A% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
8:05 PM 5.0 °F - - N/A% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
8:25 PM 5.0 °F - - N/A% 29.90 in 10.0 mi Calm Calm - N/A   Overcast
8:45 PM 5.0 °F - - N/A% 29.90 in 10.0 mi Calm Calm - N/A   Overcast
9:05 PM 5.0 °F - - N/A% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
9:25 PM 1.4 °F - - N/A% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
9:45 PM 1.4 °F -6.2 °F - N/A% 29.90 in 10.0 mi SSE 3.5 mph - N/A   Overcast
10:05 PM 1.4 °F - - N/A% 29.90 in 10.0 mi Calm Calm - N/A   Overcast
10:25 PM -0.4 °F - - N/A% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
10:45 PM -0.4 °F - - N/A% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
11:05 PM -0.4 °F - - N/A% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
11:25 PM -0.4 °F - - N/A% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
11:45 PM -0.4 °F - - N/A% 29.91 in 10.0 mi Calm Calm - N/A   Overcast