Weather History for West Yellowstone, MT

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Wednesday, May 15, 2013

  Actual Average Record
Temperature  
Mean Temperature 47 °F -  
Max Temperature 68 °F 58 °F 75 °F (2012)
Min Temperature 26 °F 28 °F 26 °F (2012)
Degree Days  
Heating Degree Days 18    
Moisture  
Dew Point 45 °F    
Average Humidity 85    
Maximum Humidity 88    
Minimum Humidity 80    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 4 mph (WSW)    
Max Wind Speed 21 mph    
Max Gust Speed 36 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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Astronomy

May. 15, 2013 Rise Set
Actual Time 5:56 AM MDT 8:46 PM MDT
Civil Twilight 5:22 AM MDT 9:20 PM MDT
Nautical Twilight 4:38 AM MDT 10:03 PM MDT
Astronomical Twilight 3:48 AM MDT 10:54 PM MDT
Moon 10:37 AM MDT (5/15) 12:32 AM MDT (5/15)
Length of Visible Light 15h 58m
Length of Day
14h 50m
Waxing Crescent, 27% of the Moon is Illuminated
May 15
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 48.2 °F - 44.6 °F 87% 30.04 in 10.0 mi SW 8.1 mph - N/A   Clear
12:35 AM 46.4 °F 43.5 °F 41.0 °F 81% 30.05 in 10.0 mi West 5.8 mph - N/A   Clear
12:55 AM 44.6 °F 43.1 °F 41.0 °F 87% 30.05 in 10.0 mi West 3.5 mph - N/A   Clear
1:15 AM 44.6 °F 43.1 °F 39.2 °F 81% 30.06 in 10.0 mi West 3.5 mph - N/A   Clear
1:35 AM 39.2 °F - 33.8 °F 81% 30.07 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 37.4 °F 34.9 °F 33.8 °F 87% 30.07 in 10.0 mi NW 3.5 mph - N/A   Clear
2:15 AM 35.6 °F - 32.0 °F 87% 30.07 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 37.4 °F - 32.0 °F 81% 30.07 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 33.8 °F - 30.2 °F 87% 30.07 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 32.0 °F - 28.4 °F 87% 30.08 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 32.0 °F - 26.6 °F 80% 30.08 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 28.4 °F - 24.8 °F 86% 30.09 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 28.4 °F - 24.8 °F 86% 30.09 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 30.2 °F - 26.6 °F 86% 30.09 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 28.4 °F 22.2 °F 24.8 °F 86% 30.09 in 10.0 mi SSW 5.8 mph - N/A   Clear
5:15 AM 26.6 °F - 23.0 °F 86% 30.10 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 28.4 °F - 24.8 °F 86% 30.10 in 10.0 mi Calm Calm - N/A   Clear
5:55 AM 28.4 °F - 24.8 °F 86% 30.10 in 10.0 mi Calm Calm - N/A   Clear
6:15 AM 26.6 °F - 23.0 °F 86% 30.10 in 10.0 mi Calm Calm - N/A   Clear
6:35 AM 28.4 °F - 24.8 °F 86% 30.11 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 32.0 °F - 28.4 °F 87% 30.11 in 10.0 mi Calm Calm - N/A   Clear
7:15 AM 35.6 °F - 32.0 °F 87% 30.11 in 10.0 mi Calm Calm - N/A   Clear
7:35 AM 37.4 °F - 33.8 °F 87% 30.11 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 39.2 °F - 35.6 °F 87% 30.11 in 10.0 mi Calm Calm - N/A   Clear
8:15 AM 41.0 °F - 35.6 °F 81% 30.11 in 10.0 mi Calm Calm - N/A   Clear
8:35 AM 42.8 °F 41.1 °F 39.2 °F 87% 30.10 in 10.0 mi NNW 3.5 mph - N/A   Clear
8:55 AM 44.6 °F - 39.2 °F 81% 30.10 in 10.0 mi Calm Calm - N/A   Clear
9:15 AM 46.4 °F 44.3 °F 42.8 °F 87% 30.10 in 10.0 mi East 4.6 mph - N/A   Clear
9:35 AM 48.2 °F - 44.6 °F 87% 30.09 in 10.0 mi ENE 3.5 mph - N/A   Clear
9:55 AM 50.0 °F - 46.4 °F 87% 30.09 in 10.0 mi Calm Calm - N/A   Clear
10:15 AM 53.6 °F - 48.2 °F 82% 30.08 in 10.0 mi Calm Calm - N/A   Clear
10:35 AM 55.4 °F - 50.0 °F 82% 30.07 in 10.0 mi SSW 3.5 mph - N/A   Clear
10:55 AM 57.2 °F - 53.6 °F 88% 30.07 in 10.0 mi Calm Calm - N/A   Clear
11:15 AM 59.0 °F - 55.4 °F 88% 30.06 in 10.0 mi ESE 5.8 mph - N/A   Clear
11:35 AM 60.8 °F - 55.4 °F 82% 30.06 in 10.0 mi SE 3.5 mph - N/A   Clear
11:55 AM 64.4 °F - 59.0 °F 83% 30.05 in 10.0 mi WSW 9.2 mph 16.1 mph N/A   Clear
12:15 PM 64.4 °F - 59.0 °F 83% 30.04 in 10.0 mi SW 11.5 mph 18.4 mph N/A   Clear
12:35 PM 64.4 °F - 59.0 °F 83% 30.03 in 10.0 mi WSW 10.4 mph 18.4 mph N/A   Clear
12:55 PM 64.4 °F - 60.8 °F 88% 30.03 in 10.0 mi SSW 11.5 mph 20.7 mph N/A   Clear
1:15 PM 66.2 °F - 60.8 °F 83% 30.02 in 10.0 mi SSW 11.5 mph 18.4 mph N/A   Clear
1:35 PM 66.2 °F - 62.6 °F 88% 30.01 in 10.0 mi South 9.2 mph 18.4 mph N/A   Clear
1:55 PM 66.2 °F - 62.6 °F 88% 30.00 in 10.0 mi SW 11.5 mph 19.6 mph N/A   Clear
2:15 PM 66.2 °F - 62.6 °F 88% 29.99 in 10.0 mi SW 13.8 mph 18.4 mph N/A   Scattered Clouds
2:35 PM 68.0 °F - 62.6 °F 83% 29.98 in 10.0 mi WSW 11.5 mph 35.7 mph N/A   Mostly Cloudy
2:55 PM 66.2 °F - 62.6 °F 88% 29.98 in 10.0 mi SW 10.4 mph 18.4 mph N/A   Scattered Clouds
3:15 PM 68.0 °F - 62.6 °F 83% 29.98 in 10.0 mi West 9.2 mph 20.7 mph N/A   Mostly Cloudy
3:35 PM 64.4 °F - 59.0 °F 83% 29.98 in 10.0 mi West 10.4 mph 17.3 mph N/A   Mostly Cloudy
3:55 PM 66.2 °F - 60.8 °F 83% 29.98 in 10.0 mi WNW 10.4 mph 17.3 mph N/A   Scattered Clouds
4:15 PM 64.4 °F - 59.0 °F 83% 29.97 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
4:35 PM 64.4 °F - 60.8 °F 88% 29.96 in 10.0 mi West 5.8 mph - N/A   Clear
4:55 PM 66.2 °F - 60.8 °F 83% 29.95 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
5:15 PM 64.4 °F - 60.8 °F 88% 29.95 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
5:35 PM 66.2 °F - 60.8 °F 83% 29.94 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
5:55 PM 66.2 °F - 62.6 °F 88% 29.93 in 10.0 mi SW 11.5 mph 18.4 mph N/A   Overcast
6:15 PM 64.4 °F - 59.0 °F 83% 29.94 in 10.0 mi South 20.7 mph 27.6 mph N/A   Overcast
6:35 PM 62.6 °F - 57.2 °F 82% 29.93 in 10.0 mi South 11.5 mph - N/A   Overcast
6:55 PM 60.8 °F - 57.2 °F 88% 29.92 in 10.0 mi SSE 9.2 mph - N/A   Overcast
7:15 PM 59.0 °F - 55.4 °F 88% 29.93 in 10.0 mi NW 5.8 mph - N/A   Overcast
7:35 PM 57.2 °F - 51.8 °F 82% 29.94 in 9.0 mi NW 12.7 mph 18.4 mph N/A Rain Light Rain
7:55 PM 53.6 °F - 48.2 °F 82% 29.96 in 9.0 mi NNW 9.2 mph - N/A Rain Light Rain
8:15 PM 51.8 °F - 48.2 °F 88% 29.97 in 9.0 mi NNW 6.9 mph 18.4 mph N/A Rain Light Rain
8:35 PM 48.2 °F - 44.6 °F 87% 29.98 in 10.0 mi North 5.8 mph - 0.01 in   Mostly Cloudy
8:55 PM 48.2 °F - 44.6 °F 87% 29.97 in 10.0 mi NE 6.9 mph - 0.01 in   Overcast
9:15 PM 48.2 °F - 44.6 °F 87% 29.98 in 10.0 mi SE 4.6 mph - N/A   Overcast
9:35 PM 48.2 °F - 44.6 °F 87% 29.98 in 10.0 mi SE 5.8 mph - N/A   Overcast
9:55 PM 48.2 °F - 42.8 °F 82% 29.97 in 10.0 mi ESE 4.6 mph - N/A   Overcast
10:15 PM 48.2 °F - 42.8 °F 82% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:35 PM 46.4 °F 45.2 °F 41.0 °F 81% 29.98 in 10.0 mi NW 3.5 mph - N/A   Overcast
10:55 PM 46.4 °F 44.3 °F 41.0 °F 81% 29.98 in 10.0 mi NNW 4.6 mph - N/A   Overcast
11:15 PM 44.6 °F - 39.2 °F 81% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:35 PM 42.8 °F - 37.4 °F 81% 29.97 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:55 PM 46.4 °F 42.9 °F 41.0 °F 81% 29.98 in 10.0 mi ESE 6.9 mph - N/A   Mostly Cloudy