Weather History for West Yellowstone, MT

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Sunday, August 4, 2013

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 80 °F 79 °F 80 °F (2013)
Min Temperature 32 °F 39 °F 28 °F (2012)
Degree Days  
Heating Degree Days 9    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 88    
Maximum Humidity 100    
Minimum Humidity 81    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.22 in    
Wind  
Wind Speed 3 mph (WSW)    
Max Wind Speed 18 mph    
Max Gust Speed 31 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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Astronomy

Aug. 04, 2013 Rise Set
Actual Time 6:14 AM MDT 8:45 PM MDT
Civil Twilight 5:41 AM MDT 9:18 PM MDT
Nautical Twilight 4:59 AM MDT 9:59 PM MDT
Astronomical Twilight 4:12 AM MDT 10:46 PM MDT
Moon 4:17 AM MDT (8/4) 7:11 PM MDT (8/4)
Length of Visible Light 15h 37m
Length of Day
14h 31m
Waning Crescent, 4% of the Moon is Illuminated
Aug 4
Waning Crescent
Aug 6
New
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter

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% 30.21 in 10.0 mi SSW 3.5 mph - N/A   Clear
12:30 AM 44.6 °F 42.2 °F 39.2 °F 81% 30.21 in 10.0 mi SW 4.6 mph - N/A   Clear
12:50 AM 44.6 °F 43.1 °F 39.2 °F 81% 30.22 in 10.0 mi West 3.5 mph - N/A   Clear
1:10 AM 42.8 °F - 37.4 °F 81% 30.22 in 10.0 mi Calm Calm - N/A   Clear
1:30 AM 41.0 °F - 35.6 °F 81% 30.22 in 10.0 mi Calm Calm - N/A   Clear
1:50 AM 39.2 °F - 35.6 °F 87% 30.22 in 10.0 mi Calm Calm - N/A   Clear
2:10 AM 37.4 °F - 33.8 °F 87% 30.22 in 10.0 mi Calm Calm - N/A   Clear
2:30 AM 37.4 °F - 33.8 °F 87% 30.22 in 10.0 mi Calm Calm - N/A   Clear
2:50 AM 37.4 °F - 32.0 °F 81% 30.22 in 10.0 mi Calm Calm - N/A   Clear
3:10 AM 35.6 °F - 32.0 °F 87% 30.22 in 10.0 mi Calm Calm - N/A   Clear
3:30 AM 35.6 °F - 35.6 °F 100% 30.23 in 10.0 mi Calm Calm - N/A   Clear
3:50 AM 35.6 °F - 35.6 °F 100% 30.23 in 10.0 mi Calm Calm - N/A   Clear
4:10 AM 33.8 °F - 33.8 °F 100% 30.23 in 10.0 mi Calm Calm - N/A   Clear
4:30 AM 33.8 °F - 33.8 °F 100% 30.24 in 10.0 mi Calm Calm - N/A   Clear
4:50 AM 33.8 °F - 33.8 °F 100% 30.24 in 10.0 mi Calm Calm - N/A   Clear
5:10 AM 32.0 °F - 32.0 °F 100% 30.24 in 10.0 mi Calm Calm - N/A   Clear
5:30 AM 32.0 °F - 32.0 °F 100% 30.24 in 10.0 mi Calm Calm - N/A   Clear
5:50 AM 32.0 °F - 32.0 °F 100% 30.25 in 10.0 mi Calm Calm - N/A   Clear
6:10 AM 32.0 °F - 32.0 °F 100% 30.25 in 10.0 mi Calm Calm - N/A   Clear
6:30 AM 32.0 °F - 32.0 °F 100% 30.26 in 10.0 mi Calm Calm - N/A   Clear
6:50 AM 32.0 °F - 32.0 °F 100% 30.26 in 10.0 mi Calm Calm - N/A   Clear
7:10 AM 37.4 °F - 35.6 °F 93% 30.27 in 10.0 mi Calm Calm - N/A   Clear
7:30 AM 41.0 °F - 37.4 °F 87% 30.28 in 10.0 mi Calm Calm - N/A   Clear
7:50 AM 44.6 °F - 39.2 °F 81% 30.28 in 10.0 mi Calm Calm - N/A   Clear
8:10 AM 46.4 °F - 41.0 °F 81% 30.28 in 10.0 mi Calm Calm - N/A   Clear
8:30 AM 50.0 °F - 44.6 °F 82% 30.29 in 10.0 mi Calm Calm - N/A   Clear
8:50 AM 50.0 °F - 46.4 °F 87% 30.29 in 10.0 mi Calm Calm - N/A   Clear
9:10 AM 53.6 °F - 48.2 °F 82% 30.28 in 10.0 mi Calm Calm - N/A   Clear
9:30 AM 55.4 °F - 50.0 °F 82% 30.28 in 10.0 mi Calm Calm - N/A   Clear
9:50 AM 57.2 °F - 53.6 °F 88% 30.27 in 10.0 mi Calm Calm - N/A   Clear
10:10 AM 59.0 °F - 55.4 °F 88% 30.27 in 10.0 mi ESE 3.5 mph - N/A   Clear
10:30 AM 62.6 °F - 57.2 °F 82% 30.26 in 10.0 mi SSE 3.5 mph - N/A   Clear
10:50 AM 64.4 °F - 60.8 °F 88% 30.25 in 10.0 mi Calm Calm - N/A   Clear
11:10 AM 68.0 °F - 62.6 °F 83% 30.25 in 10.0 mi Calm Calm - N/A   Clear
11:30 AM 68.0 °F - 64.4 °F 88% 30.24 in 10.0 mi East 3.5 mph - N/A   Clear
11:50 AM 71.6 °F - 66.2 °F 83% 30.23 in 10.0 mi SE 4.6 mph - N/A   Clear
12:10 PM 73.4 °F - 69.8 °F 88% 30.23 in 10.0 mi West 8.1 mph - N/A   Clear
12:30 PM 75.2 °F - 69.8 °F 83% 30.23 in 10.0 mi West 9.2 mph - N/A   Clear
12:50 PM 75.2 °F - 71.6 °F 89% 30.22 in 10.0 mi WSW 8.1 mph - N/A   Clear
1:10 PM 75.2 °F - 71.6 °F 89% 30.22 in 10.0 mi WSW 8.1 mph - N/A   Clear
1:30 PM 77.0 °F - 71.6 °F 83% 30.21 in 10.0 mi SW 13.8 mph 20.7 mph N/A   Clear
1:50 PM 77.0 °F - 73.4 °F 89% 30.21 in 10.0 mi West 6.9 mph 18.4 mph N/A   Clear
2:10 PM 77.0 °F - 73.4 °F 89% 30.21 in 10.0 mi WSW 10.4 mph 19.6 mph N/A   Partly Cloudy
2:30 PM 77.0 °F - 71.6 °F 83% 30.20 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
2:50 PM 77.0 °F - 73.4 °F 89% 30.20 in 10.0 mi WSW 9.2 mph 16.1 mph N/A   Partly Cloudy
3:10 PM 75.2 °F - 71.6 °F 89% 30.20 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
3:30 PM 77.0 °F - 73.4 °F 89% 30.19 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
3:50 PM 78.8 °F - 73.4 °F 83% 30.18 in 10.0 mi SSW 15.0 mph 21.9 mph N/A   Partly Cloudy
4:10 PM 80.6 °F - 75.2 °F 84% 30.17 in 10.0 mi SSW 18.4 mph 24.2 mph N/A   Partly Cloudy
4:30 PM 80.6 °F - 75.2 °F 84% 30.17 in 10.0 mi SSW 10.4 mph 23.0 mph N/A   Scattered Clouds
4:50 PM 78.8 °F - 73.4 °F 83% 30.17 in 10.0 mi SSW 12.7 mph 25.3 mph N/A   Scattered Clouds
5:10 PM 77.0 °F - 73.4 °F 89% 30.17 in 10.0 mi West 8.1 mph 31.1 mph N/A   Mostly Cloudy
5:30 PM 77.0 °F - 73.4 °F 89% 30.17 in 10.0 mi WSW 5.8 mph 20.7 mph N/A   Mostly Cloudy
5:50 PM 77.0 °F - 73.4 °F 89% 30.17 in 10.0 mi West 5.8 mph 21.9 mph N/A   Partly Cloudy
6:10 PM 77.0 °F - 73.4 °F 89% 30.17 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:30 PM 75.2 °F - 71.6 °F 89% 30.17 in 10.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
6:50 PM 75.2 °F - 71.6 °F 89% 30.18 in 10.0 mi NNW 12.7 mph 18.4 mph N/A   Overcast
7:10 PM 75.2 °F - 69.8 °F 83% 30.17 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
7:30 PM 75.2 °F - 69.8 °F 83% 30.18 in 10.0 mi WNW 4.6 mph - N/A   Partly Cloudy
7:50 PM 73.4 °F - 68.0 °F 83% 30.18 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:10 PM 73.4 °F - 68.0 °F 83% 30.18 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:30 PM 68.0 °F - 64.4 °F 88% 30.19 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
8:50 PM 68.0 °F - 64.4 °F 88% 30.19 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:10 PM 64.4 °F - 60.8 °F 88% 30.19 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:30 PM 59.0 °F - 55.4 °F 88% 30.20 in 10.0 mi Calm Calm - N/A   Clear
9:50 PM 57.2 °F - 53.6 °F 88% 30.20 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:10 PM 55.4 °F - 50.0 °F 82% 30.20 in 10.0 mi SW 3.5 mph - N/A   Clear
10:30 PM 51.8 °F - 48.2 °F 88% 30.21 in 10.0 mi Calm Calm - N/A   Clear
10:50 PM 50.0 °F - 46.4 °F 87% 30.21 in 10.0 mi NNE 3.5 mph - N/A   Clear
11:10 PM 50.0 °F - 44.6 °F 82% 30.21 in 10.0 mi SSW 6.9 mph - N/A   Clear
11:30 PM 48.2 °F - 44.6 °F 87% 30.21 in 10.0 mi WNW 3.5 mph - N/A   Clear
11:50 PM 46.4 °F - 46.4 °F 100% 30.20 in 10.0 mi Calm Calm - N/A   Clear