Weather History for West Yellowstone, MT

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Friday, May 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 42 °F -  
Max Temperature 51 °F 54 °F 51 °F (2012)
Min Temperature 32 °F 25 °F 23 °F (2011)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 38 °F    
Average Humidity 85    
Maximum Humidity 88    
Minimum Humidity 80    
Precipitation  
Precipitation 0.06 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 10 mph (SSW)    
Max Wind Speed 26 mph    
Max Gust Speed 33 mph    
Visibility 10 miles    
Events Rain    
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

May. 04, 2012 Rise Set
Actual Time 6:09 AM MDT 8:33 PM MDT
Civil Twilight 5:36 AM MDT 9:06 PM MDT
Nautical Twilight 4:56 AM MDT 9:47 PM MDT
Astronomical Twilight 4:10 AM MDT 10:33 PM MDT
Moon 7:14 PM MDT (5/4) 4:56 AM MDT (5/4)
Length of Visible Light 15h 29m
Length of Day
14h 24m
Waxing Gibbous, 97% of the Moon is Illuminated
May 4
Waxing Gibbous
May 5
Full
May 12
Last Quarter
May 20
New
May 28
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:05 AM 39.2 °F 31.6 °F 33.8 °F 81% 29.94 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
12:25 AM 39.2 °F 31.6 °F 35.6 °F 87% 29.95 in 10.0 mi SW 12.7 mph 18.4 mph N/A   Mostly Cloudy
12:45 AM 41.0 °F 34.3 °F 35.6 °F 81% 29.95 in 10.0 mi WSW 11.5 mph 18.4 mph N/A   Overcast
1:05 AM 41.0 °F 34.3 °F 35.6 °F 81% 29.96 in 10.0 mi WSW 11.5 mph 17.3 mph N/A   Overcast
1:25 AM 39.2 °F 32.5 °F 35.6 °F 87% 29.95 in 10.0 mi SW 10.4 mph - N/A   Overcast
1:45 AM 39.2 °F 31.6 °F 35.6 °F 87% 29.95 in 10.0 mi SW 12.7 mph 19.6 mph N/A   Overcast
2:05 AM 39.2 °F 32.0 °F 35.6 °F 87% 29.95 in 10.0 mi SW 11.5 mph 19.6 mph N/A   Overcast
2:25 AM 39.2 °F 31.6 °F 35.6 °F 87% 29.95 in 10.0 mi SW 12.7 mph 21.9 mph N/A   Overcast
2:45 AM 39.2 °F 33.0 °F 35.6 °F 87% 29.95 in 10.0 mi SSW 9.2 mph 18.4 mph N/A   Mostly Cloudy
3:05 AM 39.2 °F 31.2 °F 35.6 °F 87% 29.96 in 7.0 mi SW 13.8 mph 17.3 mph 0.01 in Rain Light Rain
3:25 AM 37.4 °F 30.8 °F 32.0 °F 81% 29.96 in 10.0 mi South 9.2 mph - 0.01 in Rain Light Rain
3:45 AM 37.4 °F 31.4 °F 32.0 °F 81% 29.96 in 10.0 mi South 8.1 mph - 0.01 in   Overcast
4:05 AM 37.4 °F 33.8 °F 32.0 °F 81% 29.97 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
4:45 AM 37.4 °F 30.8 °F 32.0 °F 81% 29.98 in 10.0 mi SSW 9.2 mph - N/A   Clear
5:05 AM 35.6 °F 31.7 °F 32.0 °F 87% 29.98 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
5:45 AM 33.8 °F 30.8 °F 30.2 °F 87% 29.98 in 10.0 mi SE 3.5 mph - N/A   Overcast
6:05 AM 32.0 °F - 28.4 °F 87% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
6:25 AM 32.0 °F - 28.4 °F 87% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
6:45 AM 32.0 °F - 26.6 °F 80% 29.99 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:05 AM 32.0 °F - 28.4 °F 87% 29.99 in 10.0 mi Calm Calm - N/A   Clear
7:25 AM 33.8 °F - 30.2 °F 87% 29.99 in 10.0 mi Calm Calm - N/A   Clear
7:45 AM 35.6 °F - 32.0 °F 87% 29.99 in 10.0 mi Calm Calm - N/A   Clear
8:05 AM 37.4 °F - 32.0 °F 81% 29.99 in 10.0 mi Calm Calm - N/A   Clear
8:25 AM 39.2 °F 37.0 °F 35.6 °F 87% 29.99 in 10.0 mi NE 3.5 mph - N/A   Clear
8:45 AM 41.0 °F 39.0 °F 37.4 °F 87% 29.99 in 10.0 mi NNE 3.5 mph - N/A   Scattered Clouds
9:05 AM 42.8 °F - 37.4 °F 81% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:25 AM 41.0 °F 36.4 °F 37.4 °F 87% 29.99 in 10.0 mi SW 6.9 mph - N/A   Overcast
9:45 AM 44.6 °F 38.8 °F 41.0 °F 87% 29.99 in 10.0 mi WSW 11.5 mph 19.6 mph N/A   Mostly Cloudy
10:05 AM 44.6 °F 38.1 °F 39.2 °F 81% 29.99 in 10.0 mi SSW 13.8 mph 19.6 mph N/A   Scattered Clouds
10:25 AM 44.6 °F 40.2 °F 39.2 °F 81% 29.99 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy
10:45 AM 46.4 °F 40.4 °F 42.8 °F 87% 29.99 in 10.0 mi SSW 13.8 mph - N/A   Partly Cloudy
11:05 AM 41.0 °F 34.3 °F 35.6 °F 81% 30.00 in 9.0 mi South 11.5 mph 24.2 mph N/A Rain Light Rain
11:25 AM 44.6 °F 40.2 °F 39.2 °F 81% 30.00 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
11:45 AM 46.4 °F 39.2 °F 41.0 °F 81% 29.99 in 10.0 mi South 18.4 mph 24.2 mph N/A   Scattered Clouds
12:05 PM 44.6 °F 37.8 °F 39.2 °F 81% 30.00 in 10.0 mi SSW 15.0 mph 24.2 mph N/A   Mostly Cloudy
12:25 PM 42.8 °F 34.5 °F 39.2 °F 87% 30.00 in 10.0 mi South 18.4 mph 26.5 mph N/A   Mostly Cloudy
12:45 PM 46.4 °F 39.5 °F 41.0 °F 81% 30.00 in 10.0 mi South 17.3 mph - N/A   Overcast
1:05 PM 48.2 °F - 44.6 °F 87% 29.99 in 10.0 mi SSW 15.0 mph 23.0 mph N/A   Scattered Clouds
1:25 PM 46.4 °F 42.9 °F 41.0 °F 81% 29.99 in 10.0 mi SSW 6.9 mph - N/A   Partly Cloudy
1:45 PM 50.0 °F - 46.4 °F 87% 29.98 in 10.0 mi SW 18.4 mph 25.3 mph N/A   Partly Cloudy
2:05 PM 50.0 °F - 46.4 °F 87% 29.97 in 10.0 mi SSW 20.7 mph 27.6 mph N/A   Scattered Clouds
2:25 PM 50.0 °F - 46.4 °F 87% 29.98 in 10.0 mi South 17.3 mph 24.2 mph N/A   Partly Cloudy
2:45 PM 51.8 °F - 46.4 °F 82% 29.97 in 10.0 mi SSW 17.3 mph 24.2 mph N/A   Scattered Clouds
3:05 PM 51.8 °F - 46.4 °F 82% 29.97 in 10.0 mi South 18.4 mph 25.3 mph N/A   Mostly Cloudy
3:25 PM 51.8 °F - 46.4 °F 82% 29.97 in 10.0 mi SW 19.6 mph 28.8 mph N/A   Partly Cloudy
3:45 PM 51.8 °F - 48.2 °F 88% 29.97 in 10.0 mi SSW 17.3 mph 26.5 mph N/A   Partly Cloudy
4:05 PM 50.0 °F - 46.4 °F 87% 29.98 in 10.0 mi SSW 26.5 mph 33.4 mph N/A   Clear
4:25 PM 48.2 °F - 42.8 °F 82% 29.98 in 10.0 mi SSW 12.7 mph 18.4 mph N/A   Clear
4:45 PM 50.0 °F - 44.6 °F 82% 29.97 in 10.0 mi SSW 13.8 mph 19.6 mph N/A   Clear
5:05 PM 48.2 °F - 44.6 °F 87% 29.98 in 8.0 mi SSE 9.2 mph 20.7 mph N/A   Scattered Clouds
5:25 PM 48.2 °F - 44.6 °F 87% 29.97 in 10.0 mi SSW 13.8 mph 19.6 mph N/A   Clear
5:45 PM 48.2 °F - 44.6 °F 87% 29.97 in 10.0 mi South 9.2 mph 17.3 mph N/A Rain Light Rain
6:05 PM 48.2 °F - 44.6 °F 87% 29.97 in 8.0 mi SSW 15.0 mph 20.7 mph 0.01 in   Scattered Clouds
6:25 PM 46.4 °F 41.9 °F 42.8 °F 87% 29.97 in 10.0 mi SSW 9.2 mph - 0.01 in   Scattered Clouds
6:45 PM 48.2 °F - 42.8 °F 82% 29.97 in 10.0 mi South 8.1 mph - 0.01 in   Mostly Cloudy
7:05 PM 48.2 °F - 42.8 °F 82% 29.97 in 10.0 mi SSW 6.9 mph - N/A   Overcast
7:25 PM 48.2 °F - 42.8 °F 82% 29.97 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
7:45 PM 48.2 °F - 44.6 °F 87% 29.96 in 10.0 mi SSW 5.8 mph - N/A   Overcast
8:05 PM 46.4 °F 41.9 °F 42.8 °F 87% 29.95 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
8:25 PM 46.4 °F 41.5 °F 41.0 °F 81% 29.96 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
8:45 PM 44.6 °F 40.7 °F 41.0 °F 87% 29.96 in 10.0 mi South 6.9 mph - N/A   Overcast
9:05 PM 44.6 °F 43.1 °F 39.2 °F 81% 29.97 in 10.0 mi South 3.5 mph - N/A   Overcast
9:25 PM 44.6 °F 40.2 °F 41.0 °F 87% 29.99 in 10.0 mi West 8.1 mph - N/A   Overcast
9:45 PM 37.4 °F 31.4 °F 32.0 °F 81% 30.05 in 3.0 mi WSW 8.1 mph 26.5 mph 0.03 in Rain Rain
10:05 PM 35.6 °F 32.8 °F 32.0 °F 87% 30.06 in 4.0 mi West 3.5 mph - N/A Rain Light Rain
10:25 PM 35.6 °F 30.7 °F 32.0 °F 87% 30.06 in 7.0 mi SSE 5.8 mph - 0.01 in Rain Light Rain
10:45 PM 35.6 °F 29.9 °F 32.0 °F 87% 30.06 in 10.0 mi SSE 6.9 mph - 0.01 in   Overcast
11:05 PM 35.6 °F 29.2 °F 32.0 °F 87% 30.05 in 10.0 mi SE 8.1 mph - N/A   Overcast
11:25 PM 35.6 °F 30.7 °F 32.0 °F 87% 30.04 in 10.0 mi SE 5.8 mph - N/A   Scattered Clouds
11:45 PM 33.8 °F 30.8 °F 30.2 °F 87% 30.02 in 10.0 mi NNE 3.5 mph - N/A   Partly Cloudy