Weather History for West Yellowstone, MT

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Friday, August 30, 2013

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 82 °F 74 °F 82 °F (2013)
Min Temperature 39 °F 35 °F 26 °F (2012)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 60 °F    
Average Humidity 85    
Maximum Humidity 89    
Minimum Humidity 81    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.28 in    
Wind  
Wind Speed 6 mph (SW)    
Max Wind Speed 23 mph    
Max Gust Speed 34 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

Aug. 30, 2013 Rise Set
Actual Time 6:44 AM MDT 8:04 PM MDT
Civil Twilight 6:14 AM MDT 8:34 PM MDT
Nautical Twilight 5:38 AM MDT 9:10 PM MDT
Astronomical Twilight 4:59 AM MDT 9:49 PM MDT
Moon 1:18 AM MDT (8/30) 4:29 PM MDT (8/30)
Length of Visible Light 14h 19m
Length of Day
13h 19m
Waning Crescent, 28% of the Moon is Illuminated
Aug 30
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
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 55.4 °F - 50.0 °F 82% 30.30 in 10.0 mi Calm Calm - N/A   Clear
12:30 AM 55.4 °F - 50.0 °F 82% 30.30 in 10.0 mi Calm Calm - N/A   Clear
12:50 AM 55.4 °F - 50.0 °F 82% 30.30 in 10.0 mi East 3.5 mph - N/A   Clear
1:10 AM 59.0 °F - 55.4 °F 88% 30.31 in 10.0 mi Calm Calm - N/A   Clear
1:30 AM 55.4 °F - 50.0 °F 82% 30.31 in 10.0 mi South 5.8 mph - N/A   Clear
1:50 AM 51.8 °F - 48.2 °F 88% 30.31 in 10.0 mi SSE 3.5 mph - N/A   Clear
2:10 AM 50.0 °F - 44.6 °F 82% 30.31 in 10.0 mi SSE 4.6 mph - N/A   Clear
2:30 AM 50.0 °F - 46.4 °F 87% 30.31 in 10.0 mi South 6.9 mph - N/A   Clear
2:50 AM 53.6 °F - 48.2 °F 82% 30.31 in 10.0 mi South 6.9 mph - N/A   Clear
3:10 AM 53.6 °F - 48.2 °F 82% 30.31 in 10.0 mi Calm Calm - N/A   Clear
3:30 AM 50.0 °F - 44.6 °F 82% 30.32 in 10.0 mi NNW 3.5 mph - N/A   Clear
3:50 AM 48.2 °F - 42.8 °F 82% 30.31 in 10.0 mi Calm Calm - N/A   Clear
4:10 AM 46.4 °F - 41.0 °F 81% 30.32 in 10.0 mi Calm Calm - N/A   Clear
4:30 AM 44.6 °F - 41.0 °F 87% 30.32 in 10.0 mi Calm Calm - N/A   Clear
4:50 AM 44.6 °F - 39.2 °F 81% 30.32 in 10.0 mi Calm Calm - N/A   Clear
5:10 AM 42.8 °F - 37.4 °F 81% 30.32 in 10.0 mi Calm Calm - N/A   Clear
5:30 AM 41.0 °F 39.0 °F 37.4 °F 87% 30.32 in 10.0 mi SSW 3.5 mph - N/A   Clear
5:50 AM 41.0 °F - 37.4 °F 87% 30.32 in 10.0 mi Calm Calm - N/A   Clear
6:10 AM 41.0 °F - 35.6 °F 81% 30.32 in 10.0 mi Calm Calm - N/A   Clear
6:30 AM 39.2 °F - 35.6 °F 87% 30.33 in 10.0 mi Calm Calm - N/A   Clear
6:50 AM 39.2 °F - 35.6 °F 87% 30.33 in 10.0 mi Calm Calm - N/A   Clear
7:10 AM 39.2 °F - 35.6 °F 87% 30.33 in 10.0 mi Calm Calm - N/A   Clear
7:30 AM 41.0 °F - 37.4 °F 87% 30.34 in 10.0 mi Calm Calm - N/A   Clear
7:50 AM 44.6 °F - 41.0 °F 87% 30.34 in 10.0 mi Calm Calm - N/A   Clear
8:10 AM 48.2 °F - 44.6 °F 87% 30.34 in 10.0 mi Calm Calm - N/A   Clear
8:30 AM 50.0 °F - 46.4 °F 87% 30.34 in 10.0 mi Calm Calm - N/A   Clear
8:50 AM 53.6 °F - 50.0 °F 88% 30.34 in 10.0 mi Calm Calm - N/A   Clear
9:10 AM 55.4 °F - 51.8 °F 88% 30.34 in 10.0 mi Calm Calm - N/A   Clear
9:30 AM 59.0 °F - 55.4 °F 88% 30.34 in 10.0 mi Calm Calm - N/A   Clear
9:50 AM 64.4 °F - 59.0 °F 83% 30.34 in 10.0 mi WNW 3.5 mph - N/A Rain Light Rain
10:10 AM 68.0 °F - 62.6 °F 83% 30.33 in 10.0 mi Calm Calm - N/A Rain Light Rain
10:30 AM 71.6 °F - 68.0 °F 88% 30.33 in 10.0 mi SSW 12.7 mph 18.4 mph N/A Rain Light Rain
10:50 AM 73.4 °F - 68.0 °F 83% 30.32 in 10.0 mi SW 13.8 mph 18.4 mph N/A Rain Light Rain
11:10 AM 75.2 °F - 69.8 °F 83% 30.32 in 10.0 mi SW 11.5 mph - N/A Rain Light Rain
11:30 AM 75.2 °F - 71.6 °F 89% 30.32 in 10.0 mi SSW 10.4 mph 21.9 mph N/A Rain Light Rain
11:50 AM 77.0 °F - 71.6 °F 83% 30.31 in 10.0 mi SW 15.0 mph 20.7 mph N/A Rain Light Rain
12:10 PM 77.0 °F - 73.4 °F 89% 30.31 in 10.0 mi SW 15.0 mph 26.5 mph N/A Rain Light Rain
12:30 PM 77.0 °F - 73.4 °F 89% 30.31 in 10.0 mi SW 17.3 mph 25.3 mph N/A Rain Light Rain
12:50 PM 77.0 °F - 73.4 °F 89% 30.30 in 10.0 mi SSW 17.3 mph 26.5 mph N/A Rain Light Rain
1:10 PM 78.8 °F - 73.4 °F 83% 30.29 in 10.0 mi SSW 16.1 mph 23.0 mph N/A Rain Light Rain
1:30 PM 80.6 °F - 75.2 °F 84% 30.28 in 10.0 mi SSW 12.7 mph 25.3 mph N/A Rain Light Rain
1:50 PM 78.8 °F - 75.2 °F 89% 30.28 in 10.0 mi SSW 18.4 mph 26.5 mph N/A Rain Light Rain
2:10 PM 80.6 °F - 75.2 °F 84% 30.27 in 10.0 mi SW 12.7 mph 34.5 mph N/A Rain Light Rain
2:30 PM 80.6 °F - 75.2 °F 84% 30.26 in 10.0 mi SSW 17.3 mph 25.3 mph N/A Rain Light Rain
2:50 PM 82.4 °F - 77.0 °F 84% 30.26 in 10.0 mi WSW 13.8 mph 27.6 mph N/A Rain Light Rain
3:10 PM 80.6 °F - 75.2 °F 84% 30.25 in 10.0 mi SSW 23.0 mph 31.1 mph N/A Rain Light Rain
3:30 PM 80.6 °F - 75.2 °F 84% 30.24 in 10.0 mi SW 11.5 mph 27.6 mph N/A Rain Light Rain
3:50 PM 80.6 °F - 75.2 °F 84% 30.23 in 10.0 mi SW 18.4 mph 28.8 mph N/A Rain Light Rain
4:10 PM 82.4 °F - 77.0 °F 84% 30.22 in 10.0 mi SSW 19.6 mph 31.1 mph N/A Rain Light Rain
4:30 PM 80.6 °F - 75.2 °F 84% 30.22 in 10.0 mi SW 17.3 mph 23.0 mph N/A Rain Light Rain
4:50 PM 80.6 °F - 75.2 °F 84% 30.22 in 10.0 mi SW 15.0 mph 25.3 mph N/A Rain Light Rain
5:10 PM 80.6 °F - 75.2 °F 84% 30.21 in 10.0 mi SW 15.0 mph 23.0 mph N/A Rain Light Rain
5:30 PM 78.8 °F - 75.2 °F 89% 30.21 in 10.0 mi SW 15.0 mph 24.2 mph N/A Rain Light Rain
5:50 PM 80.6 °F - 75.2 °F 84% 30.21 in 10.0 mi SW 13.8 mph 19.6 mph N/A Rain Light Rain
6:10 PM 80.6 °F - 75.2 °F 84% 30.21 in 10.0 mi WSW 13.8 mph 21.9 mph N/A Rain Light Rain
6:30 PM 80.6 °F - 75.2 °F 84% 30.20 in 10.0 mi SW 13.8 mph 21.9 mph N/A Rain Light Rain
6:50 PM 78.8 °F - 73.4 °F 83% 30.20 in 10.0 mi SW 12.7 mph 25.3 mph N/A Rain Light Rain
7:10 PM 77.0 °F - 73.4 °F 89% 30.20 in 10.0 mi SSW 16.1 mph 24.2 mph N/A Rain Light Rain
7:30 PM 75.2 °F - 71.6 °F 89% 30.20 in 10.0 mi SSW 9.2 mph - N/A Rain Light Rain
7:50 PM 75.2 °F - 69.8 °F 83% 30.20 in 10.0 mi SSW 12.7 mph 19.6 mph N/A Rain Light Rain
8:10 PM 73.4 °F - 68.0 °F 83% 30.20 in 10.0 mi SSW 12.7 mph 20.7 mph N/A Rain Light Rain
8:30 PM 73.4 °F - 68.0 °F 83% 30.20 in 10.0 mi SSW 11.5 mph - N/A Rain Light Rain
8:50 PM 71.6 °F - 66.2 °F 83% 30.21 in 10.0 mi SSW 9.2 mph - N/A Rain Light Rain
9:10 PM 69.8 °F - 64.4 °F 83% 30.21 in 10.0 mi SW 10.4 mph - N/A Rain Light Rain
9:30 PM 68.0 °F - 64.4 °F 88% 30.21 in 10.0 mi SSW 11.5 mph - N/A Rain Light Rain
9:50 PM 68.0 °F - 62.6 °F 83% 30.21 in 10.0 mi SW 9.2 mph 18.4 mph N/A Rain Light Rain
10:10 PM 68.0 °F - 62.6 °F 83% 30.21 in 10.0 mi SW 11.5 mph - N/A Rain Light Rain
10:30 PM 66.2 °F - 62.6 °F 88% 30.21 in 10.0 mi SW 8.1 mph - N/A Rain Light Rain
10:50 PM 66.2 °F - 60.8 °F 83% 30.21 in 10.0 mi SW 6.9 mph - N/A Rain Light Rain
11:10 PM 64.4 °F - 59.0 °F 83% 30.22 in 10.0 mi Calm Calm - N/A Rain Light Rain
11:30 PM 62.6 °F - 57.2 °F 82% 30.22 in 10.0 mi South 6.9 mph - N/A Rain Light Rain
11:50 PM 59.0 °F - 55.4 °F 88% 30.23 in 10.0 mi NE 4.6 mph - N/A Rain Light Rain