Weather History for Yellowstone, WY

Thursday, February 21, 2013 — View Current Weather Conditions
Thursday, February 21, 2013
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 11 °F 16 °F  
Max Temperature 25 °F 29 °F 38 °F (2012)
Min Temperature -3 °F 3 °F -21 °F (2010)
Degree Days
Heating Degree Days 54 49  
Month to date heating degree days 1051 1070  
Since 1 July heating degree days 7470 7601  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 4 °F    
Average Humidity 69    
Maximum Humidity 91    
Minimum Humidity 47    
Precipitation
Precipitation 0.01 in 0.06 in 0.45 in (2007)
Month to date precipitation 0.47 1.05  
Year to date precipitation 1.89 3.16  
Sea Level Pressure
Sea Level Pressure 29.98 in    
Wind
Wind Speed 1 mph (ESE)    
Max Wind Speed 13 mph    
Max Gust Speed 17 mph    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Astronomy
Feb. 21, 2013 Rise Set
Actual Time 7:11 AM MST 5:59 PM MST
Civil Twilight 6:42 AM MST 6:28 PM MST
Nautical Twilight 6:08 AM MST 7:02 PM MST
Astronomical Twilight 5:34 AM MST 7:36 PM MST
Moon 2:11 PM MST (2/21) 4:25 AM MST (2/21)
Length Of Visible Light 11h 46m
Length of Day
10h 47m
Waxing Gibbous, 84% of the Moon is Illuminated
Feb 21
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter
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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 14.0 °F - 10.9 °F 88% 29.81 in - Calm Calm - 0.01 in   Unknown
1:56 AM 15.1 °F - 10.0 °F 80% 29.82 in - Calm Calm - N/A   Unknown
2:56 AM 12.0 °F - 9.0 °F 88% 29.80 in - Calm Calm - N/A   Unknown
3:56 AM 10.0 °F - 7.0 °F 87% 29.83 in - Calm Calm - N/A   Unknown
4:56 AM 8.1 °F - 5.0 °F 87% 29.88 in - Calm Calm - N/A   Unknown
5:56 AM 3.0 °F - -0.0 °F 87% 29.94 in - Calm Calm - N/A   Unknown
6:56 AM 1.9 °F - -2.9 °F 80% 29.96 in - Calm Calm - N/A   Unknown
7:56 AM 1.9 °F - -2.0 °F 83% 29.99 in - Calm Calm - N/A   Unknown
8:56 AM 9.0 °F - 6.1 °F 88% 29.97 in - Calm Calm - N/A   Unknown
9:56 AM 14.0 °F - 8.1 °F 77% 29.96 in - Calm Calm - N/A   Unknown
10:56 AM 15.1 °F - 8.1 °F 74% 29.96 in - Calm Calm - N/A   Unknown
11:56 AM 17.1 °F 11.7 °F 10.0 °F 74% 29.97 in - ESE 3.5 mph - N/A   Unknown
12:56 PM 19.0 °F 13.9 °F 10.9 °F 71% 29.94 in - East 3.5 mph - N/A   Unknown
1:56 PM 19.9 °F 14.9 °F 10.9 °F 68% 29.92 in - Variable 3.5 mph - N/A   Unknown
2:56 PM 23.0 °F 17.0 °F 7.0 °F 50% 29.92 in - Variable 4.6 mph - N/A   Unknown
3:56 PM 21.0 °F 9.3 °F 5.0 °F 50% 29.94 in - West 11.5 mph 16.1 mph N/A   Unknown
4:56 PM 19.0 °F 12.3 °F 6.1 °F 57% 29.97 in - Variable 4.6 mph - N/A   Unknown
5:56 PM 12.9 °F - 5.0 °F 71% 30.06 in - Calm Calm - N/A   Unknown
6:56 PM 7.0 °F - 3.0 °F 84% 30.12 in - Calm Calm - N/A   Unknown
7:56 PM 1.9 °F - -2.9 °F 80% 30.17 in - Calm Calm - N/A   Unknown
8:56 PM -2.0 °F - -6.0 °F 83% 30.15 in - Calm Calm - N/A   Unknown
9:56 PM -2.0 °F - -6.0 °F 83% 30.13 in - Calm Calm - N/A   Unknown
10:56 PM -2.0 °F - -7.1 °F 79% 30.12 in - Calm Calm - N/A   Unknown
11:56 PM 1.0 °F - -2.9 °F 83% 30.09 in - Calm Calm - N/A   Unknown
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