Weather History for Yellowstone, WY

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Wednesday, December 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 18 °F 14 °F  
Max Temperature 26 °F 24 °F 46 °F (2014)
Min Temperature 9 °F 4 °F -8 °F (2007)
Degree Days  
Heating Degree Days 47 51  
Month to date heating degree days 549 602  
Since 1 July heating degree days 3646 3922  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1 0  
Moisture  
Dew Point 19 °F    
Average Humidity 81    
Maximum Humidity 88    
Minimum Humidity 74    
Precipitation  
Precipitation 0.00 in 0.04 in 0.16 in (2009)
Month to date precipitation 2.39 0.56  
Year to date precipitation 22.75 19.36  
Sea Level Pressure  
Sea Level Pressure 29.76 in    
Wind  
Wind Speed 3 mph (West)    
Max Wind Speed 12 mph    
Max Gust Speed 25 mph    
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

Dec. 12, 2012 Rise Set
Actual Time 7:49 AM MST 4:41 PM MST
Civil Twilight 7:16 AM MST 5:15 PM MST
Nautical Twilight 6:39 AM MST 5:52 PM MST
Astronomical Twilight 6:03 AM MST 6:27 PM MST
Moon 6:56 AM MST (12/12) 4:23 PM MST (12/12)
Length of Visible Light 9h 59m
Length of Day
8h 52m
Waning Crescent, 0% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 25.0 °F 20.7 °F 21.0 °F 85% 29.70 in - Variable 3.5 mph - N/A   Unknown
1:56 AM 25.0 °F 19.3 °F 21.9 °F 88% 29.69 in - Variable 4.6 mph - 0.01 in   Unknown
2:56 AM 25.0 °F - 21.9 °F 88% 29.68 in - Calm Calm - 0.01 in   Unknown
3:56 AM 25.0 °F 19.3 °F 21.9 °F 88% 29.67 in - Variable 4.6 mph - 0.02 in   Unknown
4:56 AM 25.0 °F 20.7 °F 21.0 °F 85% 29.68 in - Variable 3.5 mph - 0.01 in   Unknown
5:56 AM 25.0 °F - 21.9 °F 88% 29.66 in - Calm Calm - 0.01 in   Unknown
6:56 AM 25.0 °F 20.7 °F 21.9 °F 88% 29.65 in - Variable 3.5 mph - 0.01 in   Unknown
7:56 AM 25.0 °F 19.3 °F 21.9 °F 88% 29.64 in - Variable 4.6 mph - 0.02 in   Unknown
8:56 AM 25.0 °F - 21.9 °F 88% 29.64 in - Calm Calm - 0.02 in   Unknown
9:56 AM 25.0 °F 20.7 °F 21.9 °F 88% 29.65 in - Variable 3.5 mph - 0.01 in   Unknown
10:56 AM 25.0 °F 18.1 °F 21.0 °F 85% 29.67 in - Variable 5.8 mph - 0.01 in   Unknown
2:56 PM 25.0 °F 16.3 °F 19.0 °F 78% 29.71 in - WSW 8.1 mph 17.3 mph 0.01 in   Unknown
3:56 PM 24.1 °F 15.2 °F 18.0 °F 77% 29.75 in - West 8.1 mph - N/A   Unknown
4:56 PM 21.9 °F 13.4 °F 17.1 °F 82% 29.80 in - West 6.9 mph - N/A   Unknown
5:56 PM 21.9 °F 14.5 °F 17.1 °F 82% 29.82 in - Variable 5.8 mph - N/A   Unknown
6:56 PM 23.0 °F 15.8 °F 18.0 °F 81% 29.84 in - Variable 5.8 mph - N/A   Unknown
7:56 PM 21.9 °F - 17.1 °F 82% 29.87 in - Calm Calm - N/A   Unknown
8:56 PM 21.0 °F 16.2 °F 17.1 °F 85% 29.89 in - Variable 3.5 mph - N/A   Unknown
9:56 PM 15.1 °F - 12.0 °F 88% 29.94 in - Calm Calm - N/A   Unknown
10:56 PM 12.0 °F - 9.0 °F 88% 29.96 in - Calm Calm - N/A   Unknown
11:56 PM 10.0 °F 3.6 °F 7.0 °F 87% 29.98 in - WNW 3.5 mph - N/A   Unknown