West Yellowstone, MT

4:16 PM MST on February 12, 2016 (GMT -0700)
Yellowstone

Weather History for KWYS - September, 2013

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Thursday, September 5, 2013

  Actual Average Record
Temperature  
Mean Temperature 58 °F -  
Max Temperature 77 °F 71 °F 80 °F (2011)
Min Temperature 39 °F 35 °F 24 °F (2014)
Degree Days  
Heating Degree Days 7    
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 86    
Maximum Humidity 100    
Minimum Humidity 81    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.30 in    
Wind  
Wind Speed 2 mph (SW)    
Max Wind Speed 21 mph    
Max Gust Speed 28 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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Daily Weather History Graph

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Date:

Astronomy

Sep. 05, 2013 Rise Set
Actual Time 6:51 AM MDT 7:53 PM MDT
Civil Twilight 6:22 AM MDT 8:23 PM MDT
Nautical Twilight 5:46 AM MDT 8:58 PM MDT
Astronomical Twilight 5:08 AM MDT 9:35 PM MDT
Moon 7:09 AM MDT (9/5) 7:42 PM MDT (9/5)
Length of Visible Light 14h 00m
Length of Day
13h 01m
New Moon, 0% of the Moon is Illuminated
Sep 5
New Moon
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

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 - 44.6 °F 87% 30.35 in 10.0 mi Calm Calm - N/A   Clear
12:30 AM 48.2 °F - 44.6 °F 87% 30.35 in 10.0 mi Calm Calm - N/A   Clear
12:50 AM 48.2 °F - 42.8 °F 82% 30.34 in 10.0 mi Calm Calm - N/A   Clear
1:10 AM 46.4 °F - 41.0 °F 81% 30.34 in 10.0 mi Calm Calm - N/A   Clear
1:30 AM 46.4 °F - 41.0 °F 81% 30.34 in 10.0 mi Calm Calm - N/A   Clear
1:50 AM 44.6 °F - 41.0 °F 87% 30.34 in 10.0 mi Calm Calm - N/A   Clear
2:10 AM 44.6 °F 43.1 °F 41.0 °F 87% 30.33 in 10.0 mi WSW 3.5 mph - N/A   Clear
2:30 AM 46.4 °F - 41.0 °F 81% 30.33 in 10.0 mi Calm Calm - N/A   Clear
2:50 AM 44.6 °F - 39.2 °F 81% 30.33 in 10.0 mi Calm Calm - N/A   Clear
3:10 AM 42.8 °F - 39.2 °F 87% 30.33 in 10.0 mi Calm Calm - N/A   Clear
3:30 AM 42.8 °F - 39.2 °F 87% 30.33 in 10.0 mi Calm Calm - N/A   Clear
3:50 AM 41.0 °F - 37.4 °F 87% 30.32 in 10.0 mi Calm Calm - N/A   Clear
4:10 AM 41.0 °F - 37.4 °F 87% 30.32 in 10.0 mi Calm Calm - N/A   Clear
4:30 AM 41.0 °F - 37.4 °F 87% 30.32 in 10.0 mi Calm Calm - N/A   Clear
4:50 AM 41.0 °F - 35.6 °F 81% 30.32 in 10.0 mi Calm Calm - N/A   Clear
5:10 AM 39.2 °F 37.0 °F 35.6 °F 87% 30.32 in 10.0 mi SSW 3.5 mph - N/A   Clear
5:30 AM 39.2 °F - 35.6 °F 87% 30.33 in 10.0 mi Calm Calm - N/A   Clear
5:50 AM 39.2 °F - 35.6 °F 87% 30.33 in 10.0 mi Calm Calm - N/A   Clear
6:10 AM 39.2 °F - 39.2 °F 100% 30.33 in 10.0 mi Calm Calm - N/A   Clear
6:30 AM 39.2 °F - 39.2 °F 100% 30.34 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:50 AM 39.2 °F - 39.2 °F 100% 30.34 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:10 AM 39.2 °F - 39.2 °F 100% 30.34 in 10.0 mi Calm Calm - N/A   Clear
7:30 AM 41.0 °F - 41.0 °F 100% 30.35 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:50 AM 44.6 °F - 42.8 °F 93% 30.34 in 10.0 mi Calm Calm - N/A   Overcast
8:10 AM 44.6 °F - 41.0 °F 87% 30.34 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:30 AM 48.2 °F - 42.8 °F 82% 30.34 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:50 AM 50.0 °F - 46.4 °F 87% 30.35 in 10.0 mi Calm Calm - N/A   Overcast
9:10 AM 50.0 °F - 46.4 °F 87% 30.35 in 10.0 mi Calm Calm - N/A   Overcast
9:30 AM 51.8 °F - 48.2 °F 88% 30.35 in 10.0 mi Calm Calm - N/A   Overcast
9:50 AM 55.4 °F - 50.0 °F 82% 30.36 in 10.0 mi Calm Calm - N/A   Overcast
10:10 AM 55.4 °F - 50.0 °F 82% 30.35 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:30 AM 59.0 °F - 55.4 °F 88% 30.35 in 10.0 mi NNE 4.6 mph - N/A   Scattered Clouds
10:50 AM 62.6 °F - 57.2 °F 82% 30.34 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:10 AM 66.2 °F - 60.8 °F 83% 30.33 in 10.0 mi NE 3.5 mph - N/A   Clear
11:30 AM 68.0 °F - 64.4 °F 88% 30.32 in 10.0 mi Calm Calm - N/A   Clear
11:50 AM 69.8 °F - 64.4 °F 83% 30.33 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:10 PM 71.6 °F - 66.2 °F 83% 30.34 in 10.0 mi SW 20.7 mph 27.6 mph N/A   Mostly Cloudy
12:30 PM 71.6 °F - 66.2 °F 83% 30.34 in 10.0 mi WSW 10.4 mph 18.4 mph N/A   Mostly Cloudy
12:50 PM 68.0 °F - 64.4 °F 88% 30.34 in 10.0 mi SW 13.8 mph 18.4 mph N/A   Mostly Cloudy
1:10 PM 68.0 °F - 62.6 °F 83% 30.35 in 10.0 mi WSW 9.2 mph 19.6 mph N/A   Mostly Cloudy
1:30 PM 68.0 °F - 62.6 °F 83% 30.35 in 10.0 mi West 6.9 mph 16.1 mph N/A   Mostly Cloudy
1:50 PM 66.2 °F - 62.6 °F 88% 30.34 in 10.0 mi WSW 4.6 mph - N/A Rain Light Rain
2:10 PM 68.0 °F - 64.4 °F 88% 30.32 in 10.0 mi ENE 3.5 mph - N/A   Partly Cloudy
2:30 PM 71.6 °F - 66.2 °F 83% 30.31 in 10.0 mi Calm Calm - N/A   Clear
2:50 PM 75.2 °F - 69.8 °F 83% 30.30 in 10.0 mi WSW 10.4 mph 17.3 mph N/A   Partly Cloudy
3:10 PM 77.0 °F - 71.6 °F 83% 30.29 in 10.0 mi SSW 16.1 mph 23.0 mph N/A   Partly Cloudy
3:30 PM 77.0 °F - 71.6 °F 83% 30.28 in 10.0 mi SW 10.4 mph 23.0 mph N/A   Clear
3:50 PM 77.0 °F - 73.4 °F 89% 30.27 in 10.0 mi SSW 16.1 mph 24.2 mph N/A   Clear
4:10 PM 77.0 °F - 71.6 °F 83% 30.27 in 10.0 mi SW 9.2 mph 20.7 mph N/A   Clear
4:30 PM 77.0 °F - 71.6 °F 83% 30.26 in 10.0 mi SSW 11.5 mph 20.7 mph N/A   Clear
4:50 PM 77.0 °F - 73.4 °F 89% 30.25 in 10.0 mi SW 17.3 mph 23.0 mph N/A   Partly Cloudy
5:10 PM 77.0 °F - 71.6 °F 83% 30.24 in 10.0 mi SW 13.8 mph 25.3 mph N/A   Clear
5:30 PM 77.0 °F - 73.4 °F 89% 30.24 in 10.0 mi SSW 13.8 mph 19.6 mph N/A   Clear
5:50 PM 75.2 °F - 69.8 °F 83% 30.23 in 10.0 mi South 9.2 mph - N/A   Clear
6:10 PM 75.2 °F - 71.6 °F 89% 30.22 in 10.0 mi SW 6.9 mph - N/A   Clear
6:30 PM 75.2 °F - 71.6 °F 89% 30.22 in 10.0 mi SW 9.2 mph - N/A   Clear
6:50 PM 75.2 °F - 69.8 °F 83% 30.22 in 10.0 mi WSW 8.1 mph - N/A   Clear
7:10 PM 73.4 °F - 68.0 °F 83% 30.22 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
7:30 PM 71.6 °F - 66.2 °F 83% 30.22 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
7:50 PM 68.0 °F - 64.4 °F 88% 30.21 in 10.0 mi Calm Calm - N/A   Clear
8:10 PM 64.4 °F - 59.0 °F 83% 30.21 in 10.0 mi Calm Calm - N/A   Clear
8:30 PM 62.6 °F - 57.2 °F 82% 30.23 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
8:50 PM 62.6 °F - 57.2 °F 82% 30.23 in 10.0 mi South 3.5 mph - N/A   Clear
9:10 PM 59.0 °F - 53.6 °F 82% 30.24 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:30 PM 57.2 °F - 53.6 °F 88% 30.24 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:50 PM 55.4 °F - 50.0 °F 82% 30.25 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:10 PM 55.4 °F - 50.0 °F 82% 30.26 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:30 PM 55.4 °F - 50.0 °F 82% 30.26 in 10.0 mi SSW 3.5 mph - N/A   Partly Cloudy
10:50 PM 55.4 °F - 50.0 °F 82% 30.26 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:10 PM 53.6 °F - 48.2 °F 82% 30.26 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:30 PM 53.6 °F - 48.2 °F 82% 30.27 in 10.0 mi Calm Calm - N/A   Clear
11:50 PM 53.6 °F - 48.2 °F 82% 30.27 in 10.0 mi Calm Calm - N/A   Clear