West Yellowstone, MT

4:02 AM MST on December 03, 2016 (GMT -0700)
Yellowstone

Weather History for KWYS - September, 2013

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Tuesday, September 24, 2013

  Actual Average Record
Temperature  
Mean Temperature 46 °F -  
Max Temperature 57 °F 63 °F 77 °F (2011)
Min Temperature 35 °F 29 °F 26 °F (2011)
Degree Days  
Heating Degree Days 19    
Moisture  
Dew Point 40 °F    
Average Humidity 84    
Maximum Humidity 88    
Minimum Humidity 81    
Precipitation  
Precipitation 0.07 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 6 mph (SW)    
Max Wind Speed 24 mph    
Max Gust Speed 31 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. 24, 2013 Rise Set
Actual Time 7:14 AM MDT 7:17 PM MDT
Civil Twilight 6:45 AM MDT 7:46 PM MDT
Nautical Twilight 6:11 AM MDT 8:20 PM MDT
Astronomical Twilight 5:36 AM MDT 8:55 PM MDT
Moon 10:25 PM MDT (9/24) 12:44 PM MDT (9/24)
Length of Visible Light 13h 01m
Length of Day
12h 03m
Waning Gibbous, 72% of the Moon is Illuminated
Sep 24
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

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 41.0 °F 38.0 °F 35.6 °F 81% 30.09 in 10.0 mi WSW 4.6 mph - N/A   Clear
12:30 AM 42.8 °F 40.1 °F 37.4 °F 81% 30.09 in 10.0 mi SW 4.6 mph - N/A   Clear
12:50 AM 44.6 °F 40.7 °F 41.0 °F 87% 30.09 in 10.0 mi WSW 6.9 mph - N/A   Clear
1:10 AM 44.6 °F 43.1 °F 39.2 °F 81% 30.09 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
1:30 AM 41.0 °F 37.1 °F 37.4 °F 87% 30.10 in 10.0 mi SW 5.8 mph - N/A   Partly Cloudy
1:50 AM 41.0 °F 35.2 °F 35.6 °F 81% 30.10 in 10.0 mi SW 9.2 mph - N/A   Partly Cloudy
2:10 AM 44.6 °F 39.2 °F 39.2 °F 81% 30.09 in 10.0 mi SSW 10.4 mph 16.1 mph N/A   Partly Cloudy
2:30 AM 42.8 °F 38.0 °F 39.2 °F 87% 30.10 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
2:50 AM 44.6 °F 43.1 °F 39.2 °F 81% 30.10 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
3:10 AM 41.0 °F 35.2 °F 37.4 °F 87% 30.10 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
3:30 AM 41.0 °F 35.8 °F 37.4 °F 87% 30.11 in 10.0 mi SSW 8.1 mph - N/A   Overcast
3:50 AM 41.0 °F 35.2 °F 37.4 °F 87% 30.10 in 10.0 mi South 9.2 mph - N/A   Overcast
4:10 AM 41.0 °F 36.4 °F 37.4 °F 87% 30.10 in 10.0 mi SSW 6.9 mph - N/A   Overcast
4:30 AM 41.0 °F 39.0 °F 37.4 °F 87% 30.09 in 10.0 mi SW 3.5 mph - N/A   Overcast
4:50 AM 41.0 °F 39.0 °F 35.6 °F 81% 30.10 in 10.0 mi SSW 3.5 mph - N/A   Overcast
5:10 AM 41.0 °F 39.0 °F 37.4 °F 87% 30.09 in 10.0 mi SSW 3.5 mph - N/A   Overcast
5:30 AM 37.4 °F - 33.8 °F 87% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
5:50 AM 39.2 °F 35.9 °F 33.8 °F 81% 30.09 in 10.0 mi South 4.6 mph - N/A   Overcast
6:10 AM 39.2 °F 34.2 °F 35.6 °F 87% 30.08 in 10.0 mi South 6.9 mph - N/A   Overcast
6:30 AM 35.6 °F 32.8 °F 32.0 °F 87% 30.08 in 10.0 mi ESE 3.5 mph - N/A   Overcast
6:50 AM 35.6 °F 32.8 °F 32.0 °F 87% 30.08 in 10.0 mi South 3.5 mph - N/A   Overcast
7:10 AM 35.6 °F - 32.0 °F 87% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
7:30 AM 35.6 °F - 32.0 °F 87% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
7:50 AM 37.4 °F - 32.0 °F 81% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
8:10 AM 37.4 °F - 32.0 °F 81% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:30 AM 37.4 °F - 33.8 °F 87% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:50 AM 39.2 °F - 33.8 °F 81% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
9:10 AM 39.2 °F - 35.6 °F 87% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
9:30 AM 41.0 °F - 35.6 °F 81% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:50 AM 41.0 °F - 37.4 °F 87% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
10:10 AM 44.6 °F - 39.2 °F 81% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:30 AM 48.2 °F - 44.6 °F 87% 30.01 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
10:50 AM 50.0 °F - 46.4 °F 87% 30.00 in 10.0 mi NNW 4.6 mph - N/A   Partly Cloudy
11:10 AM 51.8 °F - 48.2 °F 88% 29.99 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
11:30 AM 53.6 °F - 48.2 °F 82% 29.99 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:50 AM 55.4 °F - 50.0 °F 82% 29.96 in 10.0 mi SW 17.3 mph 25.3 mph N/A   Scattered Clouds
12:10 PM 55.4 °F - 50.0 °F 82% 29.94 in 10.0 mi SSW 21.9 mph 31.1 mph N/A   Clear
12:30 PM 55.4 °F - 51.8 °F 88% 29.93 in 10.0 mi SSW 24.2 mph 29.9 mph N/A   Clear
12:50 PM 57.2 °F - 51.8 °F 82% 29.92 in 10.0 mi SSW 18.4 mph 28.8 mph N/A   Partly Cloudy
1:10 PM 57.2 °F - 53.6 °F 88% 29.91 in 10.0 mi SW 13.8 mph 24.2 mph N/A   Partly Cloudy
1:30 PM 57.2 °F - 51.8 °F 82% 29.91 in 10.0 mi SW 16.1 mph 19.6 mph N/A   Partly Cloudy
1:50 PM 55.4 °F - 50.0 °F 82% 29.92 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
2:10 PM 55.4 °F - 50.0 °F 82% 29.90 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
2:30 PM 55.4 °F - 50.0 °F 82% 29.89 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
2:50 PM 55.4 °F - 50.0 °F 82% 29.89 in 10.0 mi WSW 9.2 mph - N/A   Overcast
3:10 PM 55.4 °F - 50.0 °F 82% 29.88 in 10.0 mi SW 9.2 mph 31.1 mph N/A   Partly Cloudy
3:30 PM 53.6 °F - 50.0 °F 88% 29.89 in 10.0 mi WSW 11.5 mph 21.9 mph N/A   Partly Cloudy
3:50 PM 51.8 °F - 48.2 °F 88% 29.89 in 10.0 mi WSW 15.0 mph 29.9 mph N/A   Scattered Clouds
4:10 PM 46.4 °F 41.5 °F 42.8 °F 87% 29.90 in 5.0 mi WSW 10.4 mph 24.2 mph 0.01 in Rain Light Rain
4:30 PM 46.4 °F 39.8 °F 41.0 °F 81% 29.90 in 8.0 mi SW 16.1 mph 23.0 mph 0.02 in Rain Light Rain
4:50 PM 46.4 °F 40.7 °F 41.0 °F 81% 29.90 in 3.0 mi SW 12.7 mph 26.5 mph 0.04 in Rain Light Rain
5:10 PM 44.6 °F 39.7 °F 41.0 °F 87% 29.91 in 9.0 mi SW 9.2 mph 18.4 mph N/A Rain Light Rain
5:30 PM 44.6 °F 41.4 °F 41.0 °F 87% 29.90 in 7.0 mi SSW 5.8 mph - 0.01 in Rain Light Rain
5:50 PM 46.4 °F 44.3 °F 41.0 °F 81% 29.89 in 10.0 mi SSE 4.6 mph - 0.01 in   Overcast
6:10 PM 44.6 °F 43.1 °F 41.0 °F 87% 29.88 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
6:30 PM 44.6 °F 43.1 °F 39.2 °F 81% 29.87 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
6:50 PM 44.6 °F - 39.2 °F 81% 29.88 in 4.0 mi Calm Calm - 0.01 in Rain Light Rain
7:10 PM 44.6 °F 38.8 °F 39.2 °F 81% 29.88 in 3.0 mi SSW 11.5 mph - 0.01 in Rain Light Rain
7:30 PM 44.6 °F - 39.2 °F 81% 29.88 in 10.0 mi Calm Calm - 0.01 in   Mostly Cloudy
7:50 PM 42.8 °F 40.1 °F 37.4 °F 81% 29.88 in 10.0 mi NNE 4.6 mph - 0.01 in   Overcast
8:10 PM 42.8 °F - 39.2 °F 87% 29.87 in 10.0 mi Calm Calm - N/A   Overcast
8:30 PM 42.8 °F - 39.2 °F 87% 29.87 in 10.0 mi Calm Calm - N/A Rain Light Rain
8:50 PM 41.0 °F 39.0 °F 37.4 °F 87% 29.87 in 10.0 mi SW 3.5 mph - N/A   Overcast
9:10 PM 42.8 °F 38.0 °F 37.4 °F 81% 29.88 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
9:30 PM 41.0 °F 36.4 °F 35.6 °F 81% 29.87 in 10.0 mi SW 6.9 mph - N/A   Clear
9:50 PM 39.2 °F 35.9 °F 35.6 °F 87% 29.86 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
10:10 PM 39.2 °F 35.0 °F 35.6 °F 87% 29.86 in 10.0 mi South 5.8 mph - N/A   Overcast
10:30 PM 39.2 °F - 33.8 °F 81% 29.85 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:50 PM 37.4 °F - 33.8 °F 87% 29.85 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:10 PM 37.4 °F - 32.0 °F 81% 29.84 in 10.0 mi Calm Calm - N/A   Clear
11:30 PM 37.4 °F 34.9 °F 32.0 °F 81% 29.84 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
11:50 PM 37.4 °F - 32.0 °F 81% 29.83 in 10.0 mi Calm Calm - N/A   Mostly Cloudy