Weather History for West Yellowstone, MT

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Wednesday, September 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F -  
Max Temperature 77 °F 65 °F 77 °F (2013)
Min Temperature 32 °F 32 °F 23 °F (2014)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 85    
Maximum Humidity 89    
Minimum Humidity 81    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.33 in    
Wind  
Wind Speed 4 mph (ENE)    
Max Wind Speed 15 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events      
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

Sep. 11, 2013 Rise Set
Actual Time 6:58 AM MDT 7:42 PM MDT
Civil Twilight 6:29 AM MDT 8:11 PM MDT
Nautical Twilight 5:54 AM MDT 8:46 PM MDT
Astronomical Twilight 5:17 AM MDT 9:22 PM MDT
Moon 1:46 PM MDT (9/11) 11:25 PM MDT (9/11)
Length of Visible Light 13h 42m
Length of Day
12h 43m
Waxing Crescent, 39% of the Moon is Illuminated
Sep 11
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:10 AM 48.2 °F - 42.8 °F 82% 30.29 in 10.0 mi Calm Calm - N/A   Clear
12:30 AM 46.4 °F - 41.0 °F 81% 30.29 in 10.0 mi Calm Calm - N/A   Clear
12:50 AM 44.6 °F - 39.2 °F 81% 30.30 in 10.0 mi Calm Calm - N/A   Clear
1:10 AM 42.8 °F - 39.2 °F 87% 30.30 in 10.0 mi Calm Calm - N/A   Clear
1:30 AM 41.0 °F - 37.4 °F 87% 30.31 in 10.0 mi Calm Calm - N/A   Clear
1:50 AM 41.0 °F - 37.4 °F 87% 30.31 in 10.0 mi Calm Calm - N/A   Clear
2:10 AM 39.2 °F 35.0 °F 35.6 °F 87% 30.31 in 10.0 mi South 5.8 mph - N/A   Clear
2:30 AM 39.2 °F - 35.6 °F 87% 30.31 in 10.0 mi Calm Calm - N/A   Clear
2:50 AM 39.2 °F 37.0 °F 33.8 °F 81% 30.32 in 10.0 mi South 3.5 mph - N/A   Clear
3:10 AM 37.4 °F - 33.8 °F 87% 30.32 in 10.0 mi Calm Calm - N/A   Clear
3:30 AM 37.4 °F - 32.0 °F 81% 30.32 in 10.0 mi Calm Calm - N/A   Clear
3:50 AM 35.6 °F - 32.0 °F 87% 30.32 in 10.0 mi Calm Calm - N/A   Clear
4:10 AM 35.6 °F 32.8 °F 32.0 °F 87% 30.32 in 10.0 mi SSW 3.5 mph - N/A   Clear
4:30 AM 35.6 °F - 32.0 °F 87% 30.33 in 10.0 mi Calm Calm - N/A   Clear
4:50 AM 35.6 °F - 32.0 °F 87% 30.33 in 10.0 mi Calm Calm - N/A   Clear
5:10 AM 33.8 °F - 30.2 °F 87% 30.33 in 10.0 mi Calm Calm - N/A   Clear
5:30 AM 32.0 °F - 28.4 °F 87% 30.33 in 10.0 mi Calm Calm - N/A   Clear
5:50 AM 32.0 °F 28.7 °F 28.4 °F 87% 30.33 in 10.0 mi SSW 3.5 mph - N/A   Clear
6:10 AM 32.0 °F - 28.4 °F 87% 30.33 in 10.0 mi Calm Calm - N/A   Clear
6:30 AM 32.0 °F - 28.4 °F 87% 30.34 in 10.0 mi Calm Calm - N/A   Clear
6:50 AM 32.0 °F - 28.4 °F 87% 30.35 in 10.0 mi Calm Calm - N/A   Clear
7:10 AM 32.0 °F - 28.4 °F 87% 30.35 in 10.0 mi Calm Calm - N/A   Clear
7:30 AM 33.8 °F - 30.2 °F 87% 30.35 in 10.0 mi Calm Calm - N/A   Clear
7:50 AM 37.4 °F - 32.0 °F 81% 30.36 in 10.0 mi Calm Calm - N/A   Clear
8:10 AM 39.2 °F - 35.6 °F 87% 30.36 in 10.0 mi Calm Calm - N/A   Clear
8:30 AM 41.0 °F - 37.4 °F 87% 30.36 in 10.0 mi Calm Calm - N/A   Clear
8:50 AM 44.6 °F - 41.0 °F 87% 30.36 in 10.0 mi Calm Calm - N/A   Clear
9:10 AM 48.2 °F - 42.8 °F 82% 30.36 in 10.0 mi Calm Calm - N/A   Clear
9:30 AM 50.0 °F - 46.4 °F 87% 30.36 in 10.0 mi Calm Calm - N/A   Clear
9:50 AM 55.4 °F - 50.0 °F 82% 30.36 in 10.0 mi North 3.5 mph - N/A   Clear
10:10 AM 57.2 °F - 53.6 °F 88% 30.36 in 10.0 mi Calm Calm - N/A   Clear
10:30 AM 60.8 °F - 55.4 °F 82% 30.36 in 10.0 mi NE 3.5 mph - N/A   Clear
10:50 AM 62.6 °F - 59.0 °F 88% 30.35 in 10.0 mi NE 4.6 mph - N/A   Clear
11:10 AM 66.2 °F - 62.6 °F 88% 30.35 in 10.0 mi ENE 5.8 mph - N/A   Clear
11:30 AM 68.0 °F - 64.4 °F 88% 30.34 in 10.0 mi East 9.2 mph - N/A   Clear
11:50 AM 69.8 °F - 64.4 °F 83% 30.34 in 10.0 mi NE 9.2 mph - N/A   Clear
12:10 PM 71.6 °F - 66.2 °F 83% 30.33 in 10.0 mi ENE 10.4 mph 19.6 mph N/A   Clear
12:30 PM 71.6 °F - 66.2 °F 83% 30.33 in 10.0 mi East 8.1 mph 16.1 mph N/A   Clear
12:50 PM 71.6 °F - 66.2 °F 83% 30.33 in 10.0 mi East 9.2 mph 17.3 mph N/A   Clear
1:10 PM 73.4 °F - 68.0 °F 83% 30.33 in 10.0 mi ENE 10.4 mph 16.1 mph N/A   Clear
1:30 PM 73.4 °F - 68.0 °F 83% 30.32 in 10.0 mi East 6.9 mph - N/A   Clear
1:50 PM 73.4 °F - 68.0 °F 83% 30.32 in 10.0 mi ENE 15.0 mph 24.2 mph N/A   Clear
2:10 PM 75.2 °F - 69.8 °F 83% 30.31 in 10.0 mi SE 15.0 mph 21.9 mph N/A   Clear
2:30 PM 75.2 °F - 71.6 °F 89% 30.31 in 10.0 mi ENE 10.4 mph 20.7 mph N/A   Clear
2:50 PM 75.2 °F - 71.6 °F 89% 30.31 in 10.0 mi East 9.2 mph 19.6 mph N/A   Clear
3:10 PM 75.2 °F - 71.6 °F 89% 30.31 in 10.0 mi NE 6.9 mph - N/A   Clear
3:30 PM 75.2 °F - 71.6 °F 89% 30.30 in 10.0 mi NE 13.8 mph 20.7 mph N/A   Clear
3:50 PM 77.0 °F - 71.6 °F 83% 30.30 in 10.0 mi East 11.5 mph 17.3 mph N/A   Clear
4:10 PM 77.0 °F - 71.6 °F 83% 30.29 in 10.0 mi East 12.7 mph 18.4 mph N/A   Clear
4:30 PM 77.0 °F - 71.6 °F 83% 30.29 in 10.0 mi ENE 12.7 mph 19.6 mph N/A   Clear
4:50 PM 75.2 °F - 71.6 °F 89% 30.29 in 10.0 mi East 12.7 mph 17.3 mph N/A   Clear
5:10 PM 75.2 °F - 71.6 °F 89% 30.29 in 10.0 mi ENE 9.2 mph - N/A   Clear
5:30 PM 75.2 °F - 71.6 °F 89% 30.28 in 10.0 mi NNE 13.8 mph 18.4 mph N/A   Clear
5:50 PM 75.2 °F - 69.8 °F 83% 30.29 in 10.0 mi ENE 10.4 mph - N/A   Clear
6:10 PM 75.2 °F - 69.8 °F 83% 30.29 in 10.0 mi ENE 9.2 mph - N/A   Clear
6:30 PM 73.4 °F - 68.0 °F 83% 30.29 in 10.0 mi East 8.1 mph - N/A   Clear
6:50 PM 73.4 °F - 68.0 °F 83% 30.30 in 10.0 mi ENE 8.1 mph - N/A   Clear
7:10 PM 71.6 °F - 66.2 °F 83% 30.31 in 10.0 mi ENE 8.1 mph - N/A   Clear
7:30 PM 68.0 °F - 64.4 °F 88% 30.31 in 10.0 mi ENE 8.1 mph - N/A   Clear
7:50 PM 68.0 °F - 62.6 °F 83% 30.32 in 10.0 mi ENE 9.2 mph - N/A   Clear
8:10 PM 68.0 °F - 62.6 °F 83% 30.33 in 10.0 mi ENE 9.2 mph - N/A   Clear
8:30 PM 66.2 °F - 62.6 °F 88% 30.34 in 10.0 mi ENE 9.2 mph - N/A   Clear
8:50 PM 64.4 °F - 60.8 °F 88% 30.35 in 10.0 mi NE 9.2 mph - N/A   Clear
9:10 PM 64.4 °F - 59.0 °F 83% 30.35 in 10.0 mi ENE 9.2 mph - N/A   Clear
9:30 PM 62.6 °F - 57.2 °F 82% 30.36 in 10.0 mi NE 9.2 mph - N/A   Clear
9:50 PM 62.6 °F - 57.2 °F 82% 30.37 in 10.0 mi ENE 5.8 mph - N/A   Clear
10:10 PM 60.8 °F - 55.4 °F 82% 30.37 in 10.0 mi ENE 9.2 mph - N/A   Clear
10:30 PM 59.0 °F - 55.4 °F 88% 30.37 in 10.0 mi ENE 8.1 mph - N/A   Clear
10:50 PM 57.2 °F - 53.6 °F 88% 30.38 in 10.0 mi NE 6.9 mph - N/A   Clear
11:10 PM 57.2 °F - 51.8 °F 82% 30.38 in 10.0 mi NE 8.1 mph - N/A   Clear
11:30 PM 55.4 °F - 51.8 °F 88% 30.38 in 10.0 mi ENE 4.6 mph - N/A   Clear
11:50 PM 53.6 °F - 48.2 °F 82% 30.38 in 10.0 mi NNE 3.5 mph - N/A   Clear