History for Yellowstone, WY

Tuesday, December 18, 2012 — View Current Conditions
Tuesday, December 18, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 8 °F -  
Max Temperature 15 °F 23 °F 28 °F (2004)
Min Temperature 0 °F 3 °F -21 °F (2005)
Degree Days
Heating Degree Days 57    
Month to date heating degree days 830  
Moisture
Dew Point -2 °F    
Average Humidity 71    
Maximum Humidity 86    
Minimum Humidity 55    
Precipitation
Precipitation 0.01 in - - ()
Month to date precipitation 2.95  
Year to date precipitation 23.31  
Sea Level Pressure
Sea Level Pressure 29.89 in    
Wind
Wind Speed 4 mph (WNW)    
Max Wind Speed 8 mph    
Max Gust Speed 17 mph    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Astronomy
May. 19, 2013 Rise Set
Actual Time 7:53 AM MST 4:43 PM MST
Civil Twilight 7:20 AM MST 5:16 PM MST
Nautical Twilight 6:43 AM MST 5:53 PM MST
Astronomical Twilight 6:07 AM MST 6:29 PM MST
Moon 11:22 AM MST (12/18) 11:27 PM MST (12/18)
Length Of Visible Light 9h 56m
Length of Day
8h 49m
Waxing Crescent, 35% of the Moon is Illuminated
Dec 18
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
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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 12.0 °F - 6.1 °F 77% 29.71 in - Calm Calm - N/A   Unknown
1:56 AM 10.9 °F 4.7 °F 5.0 °F 77% 29.72 in - Variable 3.5 mph - N/A   Unknown
2:56 AM 10.9 °F - 6.1 °F 81% 29.75 in - Calm Calm - N/A   Unknown
3:56 AM 10.9 °F 1.4 °F 5.0 °F 77% 29.75 in - Variable 5.8 mph - N/A   Unknown
4:56 AM 10.0 °F 0.4 °F 3.9 °F 76% 29.78 in - Variable 5.8 mph - N/A   Unknown
5:56 AM 8.1 °F 1.4 °F 3.0 °F 80% 29.80 in - Variable 3.5 mph - N/A   Unknown
6:56 AM 3.0 °F - -0.0 °F 87% 29.86 in - Calm Calm - 0.01 in   Unknown
7:56 AM 3.0 °F - -2.0 °F 80% 29.86 in - Calm Calm - N/A   Unknown
8:56 AM 6.1 °F -2.8 °F 1.0 °F 80% 29.88 in - Variable 4.6 mph - N/A   Unknown
9:56 AM 10.0 °F -1.9 °F 1.9 °F 70% 29.86 in - West 8.1 mph - N/A   Unknown
10:56 AM 10.9 °F 1.4 °F 1.0 °F 64% 29.86 in - Variable 5.8 mph 17.3 mph N/A   Unknown
11:56 AM 12.0 °F 0.5 °F -0.0 °F 59% 29.85 in - West 8.1 mph - N/A   Unknown
12:56 PM 14.0 °F 3.9 °F -0.0 °F 54% 29.83 in - West 6.9 mph - N/A   Unknown
1:56 PM 12.9 °F 2.6 °F -0.9 °F 54% 29.84 in - Variable 6.9 mph - N/A   Unknown
2:56 PM 12.9 °F 2.6 °F -0.9 °F 54% 29.84 in - West 6.9 mph - N/A   Unknown
3:56 PM 10.9 °F 4.7 °F -0.9 °F 59% 29.86 in - Variable 3.5 mph - N/A   Unknown
4:56 PM 6.1 °F -2.8 °F -2.0 °F 69% 29.91 in - West 4.6 mph - N/A   Unknown
5:56 PM 1.9 °F -7.6 °F -4.0 °F 76% 29.96 in - NW 4.6 mph - N/A   Unknown
6:56 PM -0.9 °F -11.0 °F -6.0 °F 79% 30.02 in - WNW 4.6 mph - N/A   Unknown
7:56 PM -4.0 °F - -7.1 °F 87% 30.06 in - Calm Calm - N/A   Unknown
8:56 PM -8.0 °F - -11.9 °F 83% 30.07 in - Calm Calm - N/A   Unknown
9:56 PM -9.9 °F - -14.1 °F 82% 30.07 in - Calm Calm - N/A   Unknown
10:56 PM -13.0 °F -22.7 °F -18.0 °F 78% 30.09 in - NW 3.5 mph - N/A   Unknown
11:56 PM -13.0 °F - -18.0 °F 78% 30.10 in - Calm Calm - N/A   Unknown
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