History for Yellowstone, WY

Sunday, December 9, 2012 — View Current Conditions
Sunday, December 9, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 0 °F 14 °F  
Max Temperature 12 °F 24 °F 33 °F (2006)
Min Temperature -12 °F 4 °F -23 °F (2009)
Degree Days
Heating Degree Days 65 51  
Month to date heating degree days 399 449  
Since 1 July heating degree days 3496 3769  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1 0  
Moisture
Dew Point -5 °F    
Average Humidity 75    
Maximum Humidity 87    
Minimum Humidity 63    
Precipitation
Precipitation 0.01 in 0.04 in 0.58 in (2003)
Month to date precipitation 2.13 0.44  
Year to date precipitation 22.49 19.24  
Sea Level Pressure
Sea Level Pressure 30.38 in    
Wind
Wind Speed 2 mph (WNW)    
Max Wind Speed 9 mph    
Max Gust Speed 17 mph    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Radar Archive
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Local Photos
Beartooth Mountains at Sunrise
Pray, Montana
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Astronomy
May. 23, 2013 Rise Set
Actual Time 7:46 AM MST 4:41 PM MST
Civil Twilight 7:13 AM MST 5:14 PM MST
Nautical Twilight 6:36 AM MST 5:51 PM MST
Astronomical Twilight 6:01 AM MST 6:26 PM MST
Moon 3:16 AM MST (12/9) 1:56 PM MST (12/9)
Length Of Visible Light 10h 01m
Length of Day
8h 54m
Waning Crescent, 18% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
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Hourly Observations
Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM -5.1 °F - -9.0 °F 83% 30.26 in - Calm Calm - N/A   Unknown
1:56 AM -5.1 °F - -9.9 °F 80% 30.27 in - Calm Calm - N/A   Unknown
2:56 AM -6.0 °F - -9.9 °F 83% 30.30 in - Calm Calm - N/A   Unknown
3:56 AM -6.0 °F - -11.0 °F 79% 30.30 in - Calm Calm - N/A   Unknown
4:56 AM -7.1 °F - -11.9 °F 79% 30.34 in - Calm Calm - N/A   Unknown
5:56 AM -9.9 °F -19.2 °F -15.0 °F 78% 30.39 in - West 3.5 mph - N/A   Unknown
6:56 AM -11.0 °F -20.4 °F -16.1 °F 78% 30.43 in - NW 3.5 mph - N/A   Unknown
7:56 AM -11.0 °F -20.4 °F -16.1 °F 78% 30.48 in - WNW 3.5 mph - N/A   Unknown
8:56 AM -8.0 °F - -11.9 °F 83% 30.50 in - Calm Calm - N/A   Unknown
9:56 AM 3.0 °F - -0.0 °F 87% 30.44 in - Calm Calm - N/A   Unknown
10:56 AM 8.1 °F - 1.9 °F 76% 30.44 in - Calm Calm - N/A   Unknown
11:56 AM 10.0 °F - -0.0 °F 64% 30.39 in - Calm Calm - 0.01 in   Unknown
12:56 PM 9.0 °F -0.9 °F -0.9 °F 64% 30.41 in - Variable 5.8 mph - N/A   Unknown
1:56 PM 8.1 °F 1.4 °F -2.0 °F 64% 30.40 in - Variable 3.5 mph - N/A   Unknown
2:56 PM 9.0 °F 0.6 °F -0.9 °F 64% 30.38 in - Variable 4.6 mph - N/A   Unknown
3:56 PM 7.0 °F -1.7 °F -2.0 °F 67% 30.40 in - Variable 4.6 mph - N/A   Unknown
4:56 PM 7.0 °F - -0.0 °F 73% 30.42 in - Calm Calm - N/A   Unknown
5:56 PM 7.0 °F - 1.0 °F 77% 30.44 in - Calm Calm - N/A   Unknown
6:56 PM 7.0 °F -3.3 °F -0.9 °F 70% 30.43 in - Variable 5.8 mph - N/A   Unknown
7:56 PM 7.0 °F -3.3 °F -0.9 °F 70% 30.43 in - Variable 5.8 mph - N/A   Unknown
8:56 PM 7.0 °F 0.1 °F -0.9 °F 70% 30.41 in - West 3.5 mph - N/A   Unknown
9:56 PM 8.1 °F -0.5 °F 1.0 °F 73% 30.32 in - Variable 4.6 mph - N/A   Unknown
10:56 PM 8.1 °F - 3.0 °F 80% 30.28 in - Calm Calm - N/A   Unknown
11:56 PM 9.0 °F 2.4 °F 3.0 °F 77% 30.23 in - Variable 3.5 mph - N/A   Unknown
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