Weather History for Yellowstone, WY

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Monday, February 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 8 °F 15 °F  
Max Temperature 23 °F 28 °F 38 °F (2004)
Min Temperature -8 °F 3 °F -32 °F (2006)
Degree Days  
Heating Degree Days 57 50  
Month to date heating degree days 893 923  
Since 1 July heating degree days 7312 7454  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 2 °F    
Average Humidity 67    
Maximum Humidity 88    
Minimum Humidity 45    
Precipitation  
Precipitation 0.02 in 0.04 in 0.21 in (2004)
Month to date precipitation 0.39 0.90  
Year to date precipitation 1.81 3.01  
Sea Level Pressure  
Sea Level Pressure 30.18 in    
Wind  
Wind Speed 1 mph (ENE)    
Max Wind Speed 7 mph    
Max Gust Speed 15 mph    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Feb. 18, 2013 Rise Set
Actual Time 7:16 AM MST 5:55 PM MST
Civil Twilight 6:46 AM MST 6:24 PM MST
Nautical Twilight 6:13 AM MST 6:58 PM MST
Astronomical Twilight 5:39 AM MST 7:32 PM MST
Moon 11:36 AM MST (2/18) 2:06 AM MST (2/18)
Length of Visible Light 11h 37m
Length of Day
10h 38m
First Quarter, 59% of the Moon is Illuminated
Feb 18
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First 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 8.1 °F - 3.9 °F 83% 30.09 in - Calm Calm - N/A   Unknown
1:56 AM 10.9 °F 4.7 °F 6.1 °F 81% 30.09 in - WNW 3.5 mph - 0.01 in   Unknown
2:56 AM 9.0 °F - 5.0 °F 84% 30.10 in - Calm Calm - N/A   Unknown
3:56 AM 7.0 °F - 3.0 °F 84% 30.11 in - Calm Calm - N/A   Unknown
4:56 AM 8.1 °F 1.4 °F 3.9 °F 83% 30.12 in - WNW 3.5 mph - N/A   Unknown
5:56 AM 10.0 °F 3.6 °F 6.1 °F 84% 30.14 in - Variable 3.5 mph - N/A   Unknown
6:56 AM 8.1 °F - 3.9 °F 83% 30.21 in - Calm Calm - N/A   Unknown
7:56 AM 3.9 °F - -0.0 °F 84% 30.25 in - Calm Calm - N/A   Unknown
8:56 AM 12.0 °F 5.9 °F 8.1 °F 84% 30.23 in - East 3.5 mph - N/A   Unknown
9:56 AM 12.0 °F 5.9 °F 6.1 °F 77% 30.22 in - ESE 3.5 mph - N/A   Unknown
10:56 AM 12.9 °F - 6.1 °F 74% 30.22 in - Calm Calm - N/A   Unknown
11:56 AM 18.0 °F 11.1 °F 8.1 °F 65% 30.17 in - ENE 4.6 mph - 0.01 in   Unknown
12:56 PM 21.0 °F - 5.0 °F 50% 30.13 in - Calm Calm - N/A   Unknown
1:56 PM 21.0 °F 16.2 °F 5.0 °F 50% 30.11 in - Variable 3.5 mph - N/A   Unknown
2:56 PM 21.0 °F 16.2 °F 3.9 °F 48% 30.13 in - Variable 3.5 mph - N/A   Unknown
3:56 PM 21.0 °F - 3.9 °F 48% 30.14 in - Calm Calm - N/A   Unknown
4:56 PM 18.0 °F 12.7 °F 3.9 °F 54% 30.15 in - Variable 3.5 mph - N/A   Unknown
5:56 PM 12.9 °F - 3.0 °F 65% 30.17 in - Calm Calm - N/A   Unknown
6:56 PM 3.0 °F - -0.9 °F 84% 30.24 in - Calm Calm - N/A   Unknown
7:56 PM 1.9 °F - -2.9 °F 80% 30.27 in - Calm Calm - N/A   Unknown
8:56 PM -0.9 °F - -6.0 °F 79% 30.23 in - Calm Calm - N/A   Unknown
9:56 PM -4.0 °F - -8.0 °F 83% 30.25 in - Calm Calm - N/A   Unknown
10:56 PM -5.1 °F - -9.9 °F 80% 30.24 in - Calm Calm - N/A   Unknown
11:56 PM -7.1 °F - -11.9 °F 79% 30.21 in - Calm Calm - N/A   Unknown