Weather History for West Yellowstone, MT

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Friday, September 6, 2013

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 80 °F 71 °F 80 °F (2013)
Min Temperature 39 °F 35 °F 26 °F (2012)
Degree Days  
Heating Degree Days 6    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 84    
Maximum Humidity 89    
Minimum Humidity 81    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.27 in    
Wind  
Wind Speed 3 mph (South)    
Max Wind Speed 20 mph    
Max Gust Speed 32 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

Sep. 06, 2013 Rise Set
Actual Time 6:53 AM MDT 7:51 PM MDT
Civil Twilight 6:23 AM MDT 8:21 PM MDT
Nautical Twilight 5:47 AM MDT 8:56 PM MDT
Astronomical Twilight 5:10 AM MDT 9:33 PM MDT
Moon 8:14 AM MDT (9/6) 8:11 PM MDT (9/6)
Length of Visible Light 13h 57m
Length of Day
12h 58m
New Moon, 2% of the Moon is Illuminated
Sep 6
New Moon
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (MDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:10 AM 51.8 °F - 48.2 °F 88% 30.27 in 10.0 mi Calm Calm - N/A   Clear
12:30 AM 51.8 °F - 46.4 °F 82% 30.27 in 10.0 mi SE 4.6 mph - N/A   Clear
12:50 AM 53.6 °F - 48.2 °F 82% 30.27 in 10.0 mi Calm Calm - N/A   Clear
1:10 AM 50.0 °F - 46.4 °F 87% 30.27 in 10.0 mi Calm Calm - N/A   Clear
1:30 AM 48.2 °F - 42.8 °F 82% 30.28 in 10.0 mi Calm Calm - N/A   Clear
1:50 AM 48.2 °F - 42.8 °F 82% 30.28 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:10 AM 46.4 °F - 41.0 °F 81% 30.28 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:30 AM 46.4 °F - 41.0 °F 81% 30.28 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:50 AM 46.4 °F - 41.0 °F 81% 30.27 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:10 AM 44.6 °F - 39.2 °F 81% 30.27 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:30 AM 44.6 °F - 39.2 °F 81% 30.27 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:50 AM 44.6 °F - 39.2 °F 81% 30.27 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:10 AM 44.6 °F - 39.2 °F 81% 30.27 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:30 AM 42.8 °F - 37.4 °F 81% 30.28 in 10.0 mi Calm Calm - N/A   Clear
4:50 AM 41.0 °F - 37.4 °F 87% 30.28 in 10.0 mi Calm Calm - N/A   Clear
5:10 AM 41.0 °F - 37.4 °F 87% 30.28 in 10.0 mi Calm Calm - N/A   Clear
5:30 AM 41.0 °F - 35.6 °F 81% 30.28 in 10.0 mi Calm Calm - N/A   Clear
5:50 AM 39.2 °F - 35.6 °F 87% 30.28 in 10.0 mi Calm Calm - N/A   Clear
6:10 AM 39.2 °F - 35.6 °F 87% 30.28 in 10.0 mi Calm Calm - N/A   Clear
6:30 AM 39.2 °F - 35.6 °F 87% 30.29 in 10.0 mi Calm Calm - N/A   Clear
6:50 AM 39.2 °F - 35.6 °F 87% 30.29 in 10.0 mi Calm Calm - N/A   Clear
7:10 AM 39.2 °F - 35.6 °F 87% 30.30 in 10.0 mi Calm Calm - N/A   Clear
7:30 AM 39.2 °F - 35.6 °F 87% 30.30 in 10.0 mi Calm Calm - N/A   Clear
7:50 AM 42.8 °F - 37.4 °F 81% 30.30 in 10.0 mi Calm Calm - N/A   Clear
8:10 AM 46.4 °F - 41.0 °F 81% 30.30 in 10.0 mi Calm Calm - N/A   Clear
8:30 AM 50.0 °F - 44.6 °F 82% 30.30 in 10.0 mi Calm Calm - N/A   Clear
8:50 AM 53.6 °F - 48.2 °F 82% 30.31 in 10.0 mi Calm Calm - N/A   Clear
9:10 AM 55.4 °F - 50.0 °F 82% 30.31 in 10.0 mi Calm Calm - N/A   Clear
9:30 AM 57.2 °F - 53.6 °F 88% 30.30 in 10.0 mi North 3.5 mph - N/A   Clear
9:50 AM 60.8 °F - 55.4 °F 82% 30.31 in 10.0 mi Calm Calm - N/A   Clear
10:10 AM 62.6 °F - 57.2 °F 82% 30.31 in 10.0 mi East 3.5 mph - N/A   Clear
10:30 AM 66.2 °F - 60.8 °F 83% 30.30 in 10.0 mi Calm Calm - N/A   Clear
10:50 AM 71.6 °F - 66.2 °F 83% 30.29 in 10.0 mi SW 8.1 mph - N/A   Clear
11:10 AM 75.2 °F - 69.8 °F 83% 30.28 in 10.0 mi South 13.8 mph 19.6 mph N/A   Clear
11:30 AM 75.2 °F - 71.6 °F 89% 30.28 in 10.0 mi SSW 11.5 mph 16.1 mph N/A   Clear
11:50 AM 77.0 °F - 71.6 °F 83% 30.28 in 10.0 mi South 12.7 mph 20.7 mph N/A   Clear
12:10 PM 77.0 °F - 73.4 °F 89% 30.28 in 10.0 mi SSW 10.4 mph 20.7 mph N/A   Clear
12:30 PM 77.0 °F - 71.6 °F 83% 30.28 in 10.0 mi SW 11.5 mph - N/A   Clear
12:50 PM 77.0 °F - 71.6 °F 83% 30.27 in 10.0 mi SW 8.1 mph 17.3 mph N/A   Scattered Clouds
1:10 PM 75.2 °F - 71.6 °F 89% 30.26 in 10.0 mi SSW 11.5 mph 17.3 mph N/A   Mostly Cloudy
1:30 PM 77.0 °F - 73.4 °F 89% 30.25 in 10.0 mi SW 10.4 mph 20.7 mph N/A   Mostly Cloudy
1:50 PM 78.8 °F - 73.4 °F 83% 30.24 in 10.0 mi South 11.5 mph 17.3 mph N/A   Scattered Clouds
2:10 PM 78.8 °F - 73.4 °F 83% 30.24 in 10.0 mi SW 15.0 mph 28.8 mph N/A   Scattered Clouds
2:30 PM 78.8 °F - 73.4 °F 83% 30.24 in 10.0 mi WSW 11.5 mph 24.2 mph N/A   Scattered Clouds
2:50 PM 80.6 °F 86.2 °F 75.2 °F 84% 30.23 in 10.0 mi SSW 19.6 mph 25.3 mph N/A   Scattered Clouds
3:10 PM 80.6 °F 86.2 °F 75.2 °F 84% 30.22 in 10.0 mi SSW 17.3 mph 32.2 mph N/A   Partly Cloudy
3:30 PM 80.6 °F 86.2 °F 75.2 °F 84% 30.22 in 10.0 mi SW 12.7 mph 27.6 mph N/A   Clear
3:50 PM 78.8 °F - 75.2 °F 89% 30.22 in 10.0 mi South 15.0 mph 20.7 mph N/A   Scattered Clouds
4:10 PM 75.2 °F - 71.6 °F 89% 30.22 in 10.0 mi SSW 13.8 mph 21.9 mph N/A   Scattered Clouds
4:30 PM 66.2 °F - 62.6 °F 88% 30.24 in 5.0 mi SSE 11.5 mph 24.2 mph 0.01 in Rain Light Rain
4:50 PM 64.4 °F - 59.0 °F 83% 30.24 in 10.0 mi SSE 9.2 mph 17.3 mph 0.01 in   Mostly Cloudy
5:10 PM 62.6 °F - 57.2 °F 82% 30.25 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
5:30 PM 62.6 °F - 59.0 °F 88% 30.25 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
5:50 PM 62.6 °F - 57.2 °F 82% 30.26 in 10.0 mi SSW 5.8 mph 17.3 mph N/A   Mostly Cloudy
6:10 PM 60.8 °F - 55.4 °F 82% 30.26 in 10.0 mi South 11.5 mph 19.6 mph N/A   Partly Cloudy
6:30 PM 59.0 °F - 55.4 °F 88% 30.27 in 10.0 mi SE 5.8 mph - N/A   Clear
6:50 PM 59.0 °F - 55.4 °F 88% 30.26 in 10.0 mi Calm Calm - N/A   Clear
7:10 PM 60.8 °F - 55.4 °F 82% 30.25 in 10.0 mi ENE 4.6 mph - N/A   Clear
7:30 PM 59.0 °F - 55.4 °F 88% 30.25 in 10.0 mi NE 4.6 mph - N/A   Clear
7:50 PM 59.0 °F - 53.6 °F 82% 30.25 in 10.0 mi Calm Calm - N/A   Clear
8:10 PM 57.2 °F - 53.6 °F 88% 30.25 in 10.0 mi Calm Calm - N/A   Clear
8:30 PM 55.4 °F - 51.8 °F 88% 30.26 in 10.0 mi Calm Calm - N/A   Clear
8:50 PM 57.2 °F - 53.6 °F 88% 30.28 in 10.0 mi East 6.9 mph - N/A   Clear
9:10 PM 57.2 °F - 53.6 °F 88% 30.28 in 10.0 mi ESE 5.8 mph - N/A   Clear
9:30 PM 57.2 °F - 51.8 °F 82% 30.28 in 10.0 mi ESE 4.6 mph - N/A   Clear
9:50 PM 53.6 °F - 48.2 °F 82% 30.28 in 10.0 mi Calm Calm - N/A   Clear
10:10 PM 50.0 °F - 46.4 °F 87% 30.29 in 10.0 mi Calm Calm - N/A   Clear
10:30 PM 50.0 °F - 46.4 °F 87% 30.29 in 10.0 mi Calm Calm - N/A   Clear
10:50 PM 50.0 °F - 44.6 °F 82% 30.29 in 10.0 mi WSW 4.6 mph - N/A   Clear
11:10 PM 50.0 °F - 46.4 °F 87% 30.29 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:30 PM 51.8 °F - 46.4 °F 82% 30.29 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
11:50 PM 53.6 °F - 48.2 °F 82% 30.29 in 10.0 mi Calm Calm - N/A   Mostly Cloudy