Weather History for West Yellowstone, MT

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Wednesday, October 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 35 °F -  
Max Temperature 44 °F 50 °F 51 °F (2010)
Min Temperature 26 °F 21 °F 26 °F (2011)
Degree Days  
Heating Degree Days 30    
Moisture  
Dew Point -    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 8 mph (WSW)    
Max Wind Speed 20 mph    
Max Gust Speed 29 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

Oct. 17, 2012 Rise Set
Actual Time 7:43 AM MDT 6:35 PM MDT
Civil Twilight 7:13 AM MDT 7:05 PM MDT
Nautical Twilight 6:39 AM MDT 7:38 PM MDT
Astronomical Twilight 6:05 AM MDT 8:12 PM MDT
Moon 10:29 AM MDT (10/17) 8:06 PM MDT (10/17)
Length of Visible Light 11h 51m
Length of Day
10h 52m
Waxing Crescent, 7% of the Moon is Illuminated
Oct 17
Waxing Crescent
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter
Nov 13
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 32.0 °F 23.6 °F - N/A% 29.94 in 10.0 mi WNW 10.4 mph 16.1 mph N/A   Clear
12:30 AM 32.0 °F 24.2 °F - N/A% 29.94 in 10.0 mi WNW 9.2 mph - N/A   Clear
12:50 AM 32.0 °F 24.8 °F - N/A% 29.95 in 10.0 mi West 8.1 mph - N/A   Clear
1:10 AM 32.0 °F 27.5 °F - N/A% 29.95 in 10.0 mi WSW 4.6 mph - N/A   Clear
1:30 AM 32.0 °F 28.7 °F - N/A% 29.96 in 10.0 mi West 3.5 mph - N/A   Clear
1:50 AM 30.2 °F 26.7 °F - N/A% 29.97 in 10.0 mi West 3.5 mph - N/A   Clear
2:10 AM 30.2 °F 24.3 °F - N/A% 29.98 in 10.0 mi NW 5.8 mph - N/A   Scattered Clouds
2:30 AM 30.2 °F 20.2 °F - N/A% 29.98 in 10.0 mi WNW 12.7 mph 18.4 mph N/A   Partly Cloudy
2:50 AM 30.2 °F 23.4 °F - N/A% 29.98 in 10.0 mi WNW 6.9 mph - N/A   Clear
3:10 AM 30.2 °F 22.6 °F - N/A% 29.99 in 10.0 mi WNW 8.1 mph - N/A   Clear
3:30 AM 30.2 °F 23.4 °F - N/A% 30.00 in 10.0 mi WNW 6.9 mph 16.1 mph N/A   Partly Cloudy
3:50 AM 30.2 °F 23.4 °F - N/A% 30.01 in 10.0 mi WNW 6.9 mph - N/A   Clear
4:10 AM 28.4 °F 24.6 °F - N/A% 30.02 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
4:30 AM 28.4 °F 24.6 °F - N/A% 30.03 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
4:50 AM 28.4 °F 24.6 °F - N/A% 30.03 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
5:10 AM 28.4 °F 23.3 °F - N/A% 30.03 in 10.0 mi WNW 4.6 mph - N/A   Clear
5:30 AM 28.4 °F 20.4 °F - N/A% 30.03 in 10.0 mi West 8.1 mph - N/A   Clear
5:50 AM 28.4 °F 19.7 °F - N/A% 30.03 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
6:10 AM 28.4 °F 20.4 °F - N/A% 30.03 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
6:30 AM 28.4 °F 20.4 °F - N/A% 30.03 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
6:50 AM 28.4 °F 21.2 °F - N/A% 30.03 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
7:10 AM 28.4 °F 20.4 °F - N/A% 30.03 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
7:30 AM 28.4 °F 19.7 °F - N/A% 30.04 in 10.0 mi WSW 9.2 mph - N/A   Clear
7:50 AM 28.4 °F 22.2 °F - N/A% 30.04 in 10.0 mi SW 5.8 mph - N/A   Clear
8:10 AM 30.2 °F 23.4 °F - N/A% 30.05 in 10.0 mi SW 6.9 mph - N/A   Clear
8:30 AM 28.4 °F 21.2 °F - N/A% 30.06 in 10.0 mi WSW 6.9 mph - N/A   Clear
8:50 AM 30.2 °F 21.3 °F - N/A% 30.06 in 10.0 mi WSW 10.4 mph 17.3 mph N/A   Clear
9:10 AM 32.0 °F 20.8 °F - N/A% 30.06 in 10.0 mi SW 17.3 mph 26.5 mph N/A   Clear
9:15 AM 32.0 °F 22.1 °F - N/A% 30.06 in 10.0 mi WSW 13.8 mph 26.5 mph N/A   Clear
12:30 PM 37.4 °F 28.9 °F - N/A% 30.09 in 10.0 mi WSW 13.8 mph 20.7 mph N/A   Unknown
12:50 PM 39.2 °F 33.6 °F - N/A% 30.08 in 10.0 mi WSW 8.1 mph 23.0 mph N/A   Clear
1:10 PM 39.2 °F 30.8 °F - N/A% 30.08 in 10.0 mi West 15.0 mph 21.9 mph N/A   Clear
1:30 PM 39.2 °F 30.5 °F - N/A% 30.08 in 10.0 mi West 16.1 mph 25.3 mph N/A   Partly Cloudy
1:50 PM 41.0 °F 33.9 °F - N/A% 30.07 in 10.0 mi WSW 12.7 mph 24.2 mph N/A   Partly Cloudy
2:10 PM 41.0 °F 33.1 °F - N/A% 30.06 in 10.0 mi WSW 15.0 mph 21.9 mph N/A   Clear
2:30 PM 41.0 °F 32.2 °F - N/A% 30.06 in 10.0 mi WSW 18.4 mph 28.8 mph N/A   Clear
2:50 PM 42.8 °F 35.4 °F - N/A% 30.06 in 10.0 mi West 15.0 mph 27.6 mph N/A   Clear
3:10 PM 44.6 °F 38.8 °F - N/A% 30.07 in 10.0 mi West 11.5 mph 24.2 mph N/A   Clear
3:30 PM 44.6 °F 38.1 °F - N/A% 30.07 in 10.0 mi West 13.8 mph 25.3 mph N/A   Clear
3:50 PM 42.8 °F 38.0 °F - N/A% 30.07 in 10.0 mi West 8.1 mph 21.9 mph N/A   Clear
4:10 PM 42.8 °F 34.5 °F - N/A% 30.07 in 10.0 mi West 18.4 mph 26.5 mph N/A   Clear
4:30 PM 42.8 °F 34.3 °F - N/A% 30.07 in 10.0 mi WSW 19.6 mph 27.6 mph N/A   Clear
4:50 PM 42.8 °F 35.1 °F - N/A% 30.08 in 10.0 mi WSW 16.1 mph 26.5 mph N/A   Clear
5:10 PM 42.8 °F 40.1 °F - N/A% 30.09 in 10.0 mi West 4.6 mph 19.6 mph N/A   Clear
5:50 PM 41.0 °F 38.0 °F - N/A% 30.10 in 10.0 mi WNW 4.6 mph - N/A   Clear
6:10 PM 41.0 °F 36.4 °F - N/A% 30.11 in 10.0 mi West 6.9 mph 17.3 mph N/A   Clear
6:30 PM 39.2 °F 35.9 °F - N/A% 30.12 in 10.0 mi West 4.6 mph - N/A   Clear
6:50 PM 37.4 °F 33.8 °F - N/A% 30.13 in 10.0 mi WSW 4.6 mph - N/A   Clear
7:10 PM 35.6 °F 32.8 °F - N/A% 30.14 in 10.0 mi West 3.5 mph - N/A   Clear
7:30 PM 33.8 °F 30.8 °F - N/A% 30.14 in 10.0 mi SW 3.5 mph - N/A   Clear
7:50 PM 32.0 °F 26.4 °F - N/A% 30.14 in 10.0 mi SW 5.8 mph - N/A   Clear
8:10 PM 32.0 °F - - N/A% 30.15 in 10.0 mi Calm Calm - N/A   Clear
8:30 PM 32.0 °F 27.5 °F - N/A% 30.16 in 10.0 mi WSW 4.6 mph - N/A   Clear
8:50 PM 32.0 °F 26.4 °F - N/A% 30.17 in 10.0 mi WSW 5.8 mph - N/A   Clear
9:10 PM 32.0 °F 25.6 °F - N/A% 30.18 in 10.0 mi SSW 6.9 mph - N/A   Clear
9:30 PM 28.4 °F 22.2 °F - N/A% 30.18 in 10.0 mi SW 5.8 mph - N/A   Clear
9:50 PM 30.2 °F 23.4 °F - N/A% 30.18 in 10.0 mi WSW 6.9 mph - N/A   Clear
10:10 PM 28.4 °F 23.3 °F - N/A% 30.19 in 10.0 mi SSW 4.6 mph - N/A   Clear
10:30 PM 26.6 °F 19.1 °F - N/A% 30.19 in 10.0 mi SSW 6.9 mph - N/A   Clear
10:50 PM 26.6 °F 22.6 °F - N/A% 30.20 in 10.0 mi SSW 3.5 mph - N/A   Clear
11:10 PM 28.4 °F 21.2 °F - N/A% 30.20 in 10.0 mi South 6.9 mph - N/A   Clear
11:30 PM 26.6 °F 20.0 °F - N/A% 30.20 in 10.0 mi SSW 5.8 mph - N/A   Clear
11:50 PM 26.6 °F 22.6 °F - N/A% 30.21 in 10.0 mi SSW 3.5 mph - N/A   Clear